forked from xuos/xiuos
Merge branch 'smp' of https://gitlink.org.cn/tuyuyang/xiuos into lwip
This commit is contained in:
lr
commit
a9309fa1b4
|
|
@ -4,7 +4,7 @@ MAKEFLAGS += --no-print-directory
|
|||
.PHONY:COMPILE_APP COMPILE_KERNEL
|
||||
|
||||
riscv_support :=
|
||||
arm_support += imx6q-sabrelite zynq7000-zc702
|
||||
arm_support += imx6q-sabrelite zynq7000-zc702 ok1028a-c
|
||||
emulator_support +=
|
||||
support := $(riscv_support) $(arm_support) $(emulator_support)
|
||||
SRC_DIR :=
|
||||
|
|
@ -34,6 +34,9 @@ export UBIQUITOUS_ROOT ?= ..
|
|||
ifneq ($(findstring $(BOARD), imx6q-sabrelite zynq7000-zc702), )
|
||||
include $(KERNEL_ROOT)/hardkernel/arch/arm/armv7-a/cortex-a9/preboot_for_$(BOARD)/config.mk
|
||||
endif
|
||||
ifneq ($(findstring $(BOARD), ok1028a-c), )
|
||||
include $(KERNEL_ROOT)/hardkernel/arch/arm/armv8-a/cortex-a72/preboot_for_$(BOARD)/config.mk
|
||||
endif
|
||||
export BSP_BUILD_DIR := $(KERNEL_ROOT)
|
||||
export HOSTTOOLS_DIR ?= $(KERNEL_ROOT)/services/tools/hosttools
|
||||
export CONFIG2H_EXE ?= $(HOSTTOOLS_DIR)/xsconfig.sh
|
||||
|
|
@ -126,6 +129,7 @@ clean:
|
|||
@rm -rf build
|
||||
@rm -rf temp.txt
|
||||
@rm -rf services/app/bin
|
||||
@rm -f services/app/*.o
|
||||
@rm -rf services/tools/mkfs/mkfs
|
||||
@rm -rf services/app/fs.img
|
||||
@rm -rf services/app/user.map
|
||||
|
|
|
|||
|
|
@ -1,4 +1,10 @@
|
|||
# The following three platforms support compatiable instructions.
|
||||
ifneq ($(findstring $(BOARD), ok1028a-c), )
|
||||
SRC_DIR := armv8-a
|
||||
endif
|
||||
ifneq ($(findstring $(BOARD), imx6q-sabrelite zynq7000-zc702), )
|
||||
SRC_DIR := armv7-a
|
||||
endif
|
||||
|
||||
|
||||
include $(KERNEL_ROOT)/compiler.mk
|
||||
|
|
|
|||
|
|
@ -32,8 +32,8 @@ Modification:
|
|||
|
||||
.global _boot_start
|
||||
.global CpuInitCrit
|
||||
|
||||
.global primary_cpu_init
|
||||
|
||||
_boot_start:
|
||||
@ save r0 for cores 1-3, r0 arg field passed by ROM
|
||||
@ r0 is a function pointer for secondary cpus
|
||||
|
|
|
|||
|
|
@ -0,0 +1,7 @@
|
|||
# The following three platforms support compatiable instructions.
|
||||
ifneq ($(findstring $(BOARD), ok1028a-c), )
|
||||
SRC_DIR := cortex-a72
|
||||
endif
|
||||
|
||||
|
||||
include $(KERNEL_ROOT)/compiler.mk
|
||||
|
|
@ -0,0 +1,4 @@
|
|||
SRC_DIR := preboot_for_$(BOARD)
|
||||
SRC_FILES := context_switch.S core.c
|
||||
|
||||
include $(KERNEL_ROOT)/compiler.mk
|
||||
|
|
@ -0,0 +1,56 @@
|
|||
/*
|
||||
* Copyright (c) 2020 AIIT XUOS Lab
|
||||
* XiUOS is licensed under Mulan PSL v2.
|
||||
* You can use this software according to the terms and conditions of the Mulan PSL v2.
|
||||
* You may obtain a copy of Mulan PSL v2 at:
|
||||
* http://license.coscl.org.cn/MulanPSL2
|
||||
* THIS SOFTWARE IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OF ANY KIND,
|
||||
* EITHER EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO NON-INFRINGEMENT,
|
||||
* MERCHANTABILITY OR FIT FOR A PARTICULAR PURPOSE.
|
||||
* See the Mulan PSL v2 for more details.
|
||||
*/
|
||||
/**
|
||||
* @file context_switch.S
|
||||
* @brief task context switch functions
|
||||
* @version 1.0
|
||||
* @author AIIT XUOS Lab
|
||||
* @date 2024.4.10
|
||||
*/
|
||||
|
||||
/*************************************************
|
||||
File name: context_switch.S
|
||||
Description: task context switch functions
|
||||
Others:
|
||||
History:
|
||||
*************************************************/
|
||||
.global context_switch
|
||||
|
||||
context_switch:
|
||||
|
||||
mov x9, sp
|
||||
mov x10, sp
|
||||
|
||||
sub x9, x9, #16 * 7
|
||||
stp x10/*sp*/, x18, [x9, #16 * 0]
|
||||
stp x19, x20, [x9, #16 * 1]
|
||||
stp x21, x22, [x9, #16 * 2]
|
||||
stp x23, x24, [x9, #16 * 3]
|
||||
stp x25, x26, [x9, #16 * 4]
|
||||
stp x27, x28, [x9, #16 * 5]
|
||||
stp x29, x30, [x9, #16 * 6]
|
||||
|
||||
str x9, [x0]
|
||||
mov x9, x1
|
||||
|
||||
ldp x10/*sp*/, x18, [x9, #16 * 0]
|
||||
ldp x19, x20, [x9, #16 * 1]
|
||||
ldp x21, x22, [x9, #16 * 2]
|
||||
ldp x23, x24, [x9, #16 * 3]
|
||||
ldp x25, x26, [x9, #16 * 4]
|
||||
ldp x27, x28, [x9, #16 * 5]
|
||||
ldp x29, x30, [x9, #16 * 6]
|
||||
add x9, x9, #16 * 7
|
||||
|
||||
mov sp, x9
|
||||
|
||||
ret
|
||||
|
|
@ -0,0 +1,74 @@
|
|||
/*
|
||||
* Copyright (c) 2020 AIIT XUOS Lab
|
||||
* XiUOS is licensed under Mulan PSL v2.
|
||||
* You can use this software according to the terms and conditions of the Mulan PSL v2.
|
||||
* You may obtain a copy of Mulan PSL v2 at:
|
||||
* http://license.coscl.org.cn/MulanPSL2
|
||||
* THIS SOFTWARE IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OF ANY KIND,
|
||||
* EITHER EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO NON-INFRINGEMENT,
|
||||
* MERCHANTABILITY OR FIT FOR A PARTICULAR PURPOSE.
|
||||
* See the Mulan PSL v2 for more details.
|
||||
*/
|
||||
|
||||
/**
|
||||
* @file core.c
|
||||
* @brief spl boot function
|
||||
* @version 1.0
|
||||
* @author AIIT XUOS Lab
|
||||
* @date 2024.04.23
|
||||
*/
|
||||
|
||||
/*************************************************
|
||||
File name: core.c
|
||||
Description: cortex-a9 core function, include cpu registers operations、core boot
|
||||
Others:
|
||||
History:
|
||||
1. Date: 2024-04-23
|
||||
Author: AIIT XUOS Lab
|
||||
Modification:
|
||||
1. first version
|
||||
*************************************************/
|
||||
|
||||
/*********cortex-a72 general register************
|
||||
EL0 | EL1 | EL2 | EL3
|
||||
|
||||
x0;
|
||||
x1;
|
||||
x2;
|
||||
x3;
|
||||
x4;
|
||||
x5;
|
||||
x6;
|
||||
x7;
|
||||
x8;
|
||||
x9;
|
||||
x10;
|
||||
x11;
|
||||
x12;
|
||||
x13;
|
||||
x14;
|
||||
x15;
|
||||
x16;
|
||||
x17;
|
||||
x18;
|
||||
x19;
|
||||
x20;
|
||||
x21;
|
||||
x22;
|
||||
x23;
|
||||
x24;
|
||||
x25;
|
||||
x26;
|
||||
x27;
|
||||
x28;
|
||||
x29;
|
||||
x30;
|
||||
*********cortex-a72 special register************
|
||||
XZR
|
||||
PC
|
||||
SP_EL0 SP_EL1 SP_EL2 SP_EL3
|
||||
SPSR_EL1 SPSR_EL2 SPSR_EL3
|
||||
ELR_EL1 ELR_EL2 ELR_EL3
|
||||
************************************************/
|
||||
|
||||
#include "core.h"
|
||||
|
|
@ -0,0 +1,227 @@
|
|||
/*
|
||||
* Copyright (c) 2020 AIIT XUOS Lab
|
||||
* XiUOS is licensed under Mulan PSL v2.
|
||||
* You can use this software according to the terms and conditions of the Mulan PSL v2.
|
||||
* You may obtain a copy of Mulan PSL v2 at:
|
||||
* http://license.coscl.org.cn/MulanPSL2
|
||||
* THIS SOFTWARE IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OF ANY KIND,
|
||||
* EITHER EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO NON-INFRINGEMENT,
|
||||
* MERCHANTABILITY OR FIT FOR A PARTICULAR PURPOSE.
|
||||
* See the Mulan PSL v2 for more details.
|
||||
*/
|
||||
|
||||
/**
|
||||
* @file core.h
|
||||
* @brief cortex-a72 core function
|
||||
* @version 1.0
|
||||
* @author AIIT XUOS Lab
|
||||
* @date 2024.04.11
|
||||
*/
|
||||
|
||||
/*************************************************
|
||||
File name: core.h
|
||||
Description: cortex-a72 core function
|
||||
Others:
|
||||
History:
|
||||
Author: AIIT XUOS Lab
|
||||
Modification:
|
||||
*************************************************/
|
||||
|
||||
#pragma once
|
||||
|
||||
// Interrupt control bits
|
||||
#define NO_INT 0x80 // disable IRQ.
|
||||
#define DIS_INT 0xc0 // disable both IRQ and FIQ.
|
||||
|
||||
#define MODE_STACK_SIZE 0x1000
|
||||
|
||||
//! @name SPSR fields
|
||||
//@{
|
||||
#define SPSR_EL1_N (1 << 31) //!< Negative
|
||||
#define SPSR_EL1_Z (1 << 30) //!< Zero
|
||||
#define SPSR_EL1_C (1 << 29) //!< Carry
|
||||
#define SPSR_EL1_V (1 << 28) //!< Overflow
|
||||
#define SPSR_EL1_SS (1 << 21) //!< Software Step
|
||||
#define SPSR_EL1_IL (1 << 20) //!< Illegal Exception
|
||||
#define SPSR_EL1_D (1 << 9) //!< Debug mask
|
||||
#define SPSR_EL1_A (1 << 8) //!< SError mask
|
||||
#define SPSR_EL1_I (1 << 7) //!< IRQ mask
|
||||
#define SPSR_EL1_F (1 << 6) //!< FIQ mask
|
||||
#define SPSR_EL1_M (1 << 4) //!< Execution state 0=64-bit 1=32-bit
|
||||
#define SPSR_EL1_MODE (0x7) //!< Current processor mode
|
||||
//@}
|
||||
|
||||
//! @name Interrupt enable bits in SPSR
|
||||
//@{
|
||||
#define I_BIT 0x80 //!< When I bit is set, IRQ is disabled
|
||||
#define F_BIT 0x40 //!< When F bit is set, FIQ is disabled
|
||||
//@}
|
||||
|
||||
// ARM Modes t indicates selecting sp_el0 pointer, h indicates selecting sp_eln pointer
|
||||
#define SPSR_MODE_MASK 0x0f
|
||||
#define ARM_MODE_EL0_t 0x00
|
||||
#define ARM_MODE_EL1_t 0x04
|
||||
#define ARM_MODE_EL1_h 0x05
|
||||
#define ARM_MODE_EL2_t 0x08
|
||||
#define ARM_MODE_EL2_h 0x09
|
||||
#define ARM_MODE_EL3_t 0x0c
|
||||
#define ARM_MODE_EL3_h 0x0d
|
||||
|
||||
#ifndef __ASSEMBLER__
|
||||
#include <stdint.h>
|
||||
#include <string.h>
|
||||
|
||||
#include "cortex_a72.h"
|
||||
|
||||
#define NR_CPU 4 // maximum number of CPUs
|
||||
|
||||
__attribute__((always_inline)) static inline uint64_t EL0_mode() // Set ARM mode to EL0
|
||||
{
|
||||
uint64_t val = 0;
|
||||
|
||||
__asm__ __volatile__(
|
||||
"mrs %0, spsr_el1"
|
||||
: "=r"(val)
|
||||
:
|
||||
:);
|
||||
val &= ~DIS_INT;
|
||||
val &= ~SPSR_MODE_MASK;
|
||||
val |= ARM_MODE_EL0_t;
|
||||
|
||||
return val;
|
||||
}
|
||||
|
||||
__attribute__((always_inline, optimize("O0"))) static inline void cpu_into_low_power()
|
||||
{
|
||||
WFE();
|
||||
}
|
||||
|
||||
__attribute__((always_inline, optimize("O0"))) static inline void cpu_leave_low_power()
|
||||
{
|
||||
SEV();
|
||||
}
|
||||
|
||||
struct context {
|
||||
uint64_t sp;
|
||||
|
||||
/* callee register */
|
||||
uint64_t x18;
|
||||
uint64_t x19;
|
||||
uint64_t x20;
|
||||
uint64_t x21;
|
||||
uint64_t x22;
|
||||
uint64_t x23;
|
||||
uint64_t x24;
|
||||
uint64_t x25;
|
||||
uint64_t x26;
|
||||
uint64_t x27;
|
||||
uint64_t x28;
|
||||
uint64_t x29;
|
||||
uint64_t x30;
|
||||
};
|
||||
|
||||
/// @brief init task context, set return address to trap return
|
||||
/// @param ctx
|
||||
extern void task_prepare_enter(void);
|
||||
__attribute__((__always_inline__)) static inline void arch_init_context(struct context* ctx)
|
||||
{
|
||||
memset(ctx, 0, sizeof(*ctx));
|
||||
ctx->x30 = (uintptr_t)(task_prepare_enter + 4);
|
||||
}
|
||||
|
||||
struct trapframe {
|
||||
uint64_t x0;
|
||||
uint64_t x1;
|
||||
uint64_t x2;
|
||||
uint64_t x3;
|
||||
uint64_t x4;
|
||||
uint64_t x5;
|
||||
uint64_t x6;
|
||||
uint64_t x7;
|
||||
uint64_t x8;
|
||||
uint64_t x9;
|
||||
uint64_t x10;
|
||||
uint64_t x11;
|
||||
uint64_t x12;
|
||||
uint64_t x13;
|
||||
uint64_t x14;
|
||||
uint64_t x15;
|
||||
uint64_t x16;
|
||||
uint64_t x17;
|
||||
uint64_t x18;
|
||||
uint64_t x19;
|
||||
uint64_t x20;
|
||||
uint64_t x21;
|
||||
uint64_t x22;
|
||||
uint64_t x23;
|
||||
uint64_t x24;
|
||||
uint64_t x25;
|
||||
uint64_t x26;
|
||||
uint64_t x27;
|
||||
uint64_t x28;
|
||||
uint64_t x29;
|
||||
uint64_t x30;
|
||||
uint64_t pc;
|
||||
uint64_t spsr;
|
||||
uint64_t sp;
|
||||
};
|
||||
|
||||
/// @brief init task trapframe
|
||||
/// @param tf
|
||||
/// @param sp
|
||||
/// @param pc
|
||||
__attribute__((__always_inline__)) static inline void arch_init_trapframe(struct trapframe* tf, uintptr_t sp, uintptr_t pc)
|
||||
{
|
||||
memset(tf, 0, sizeof(*tf));
|
||||
tf->sp = sp;
|
||||
tf->spsr = EL0_mode();
|
||||
tf->pc = pc;
|
||||
}
|
||||
|
||||
/// @brief set pc and sp to trapframe
|
||||
/// @param tf
|
||||
/// @param sp
|
||||
/// @param pc
|
||||
__attribute__((__always_inline__)) static inline void arch_trapframe_set_sp_pc(struct trapframe* tf, uintptr_t sp, uintptr_t pc)
|
||||
{
|
||||
tf->sp = sp;
|
||||
tf->pc = pc;
|
||||
}
|
||||
|
||||
/// @brief set params of main(int argc, char** argv) to trapframe (argc, argv)
|
||||
/// @param tf
|
||||
/// @param argc
|
||||
/// @param argv
|
||||
__attribute__((__always_inline__)) static inline void arch_set_main_params(struct trapframe* tf, int argc, uintptr_t argv)
|
||||
{
|
||||
tf->x0 = (uint64_t)argc;
|
||||
tf->x1 = (uint64_t)argv;
|
||||
}
|
||||
|
||||
/// @brief retrieve params to trapframe (up to max number of 6) and pass it to syscall()
|
||||
/// @param sys_num
|
||||
/// @param param1
|
||||
/// @param param2
|
||||
/// @param param3
|
||||
/// @param param4
|
||||
/// @param param5
|
||||
/// @return
|
||||
extern int syscall(int sys_num, uintptr_t param1, uintptr_t param2, uintptr_t param3, uintptr_t param4);
|
||||
__attribute__((__always_inline__)) static inline int arch_syscall(struct trapframe* tf, int* syscall_num)
|
||||
{
|
||||
// call syscall
|
||||
*syscall_num = tf->x0;
|
||||
return syscall(*syscall_num, tf->x1, tf->x2, tf->x3, tf->x4);
|
||||
}
|
||||
|
||||
/// @brief set return reg to trapframe
|
||||
/// @param tf
|
||||
/// @param ret
|
||||
__attribute__((__always_inline__)) static inline void arch_set_return(struct trapframe* tf, int ret)
|
||||
{
|
||||
tf->x0 = (uint64_t)ret;
|
||||
}
|
||||
|
||||
void cpu_start_secondary(uint8_t cpu_id);
|
||||
void start_smp_cache_broadcast(int cpu_id);
|
||||
#endif
|
||||
|
|
@ -0,0 +1,5 @@
|
|||
SRC_FILES := boot.S \
|
||||
smp.c \
|
||||
cortexA72.S
|
||||
|
||||
include $(KERNEL_ROOT)/compiler.mk
|
||||
|
|
@ -0,0 +1,81 @@
|
|||
// #include "memlayout.h"
|
||||
#include "core.h"
|
||||
// #include "registers.h"
|
||||
// #include "cortex_a72.h"
|
||||
// qemu -kernel loads the kernel at 0x40000000
|
||||
// and causes each CPU to jump there.
|
||||
// kernel.ld causes the following code to
|
||||
// be placed at 0x40000000.
|
||||
.section ".text"
|
||||
//.global _entry
|
||||
.global _boot_start
|
||||
.global primary_cpu_init
|
||||
|
||||
_boot_start:
|
||||
// set up a stack for C.
|
||||
// stack0 is declared in start.c,
|
||||
// with a 4096-byte stack per CPU.
|
||||
// sp = stack0 + ((cpuid+1) * 4096)
|
||||
// cpuid = mpidr_el1 & 0xff
|
||||
// save r0 for cores 1-3, r0 arg field passed by ROM
|
||||
// r0 is a function pointer for secondary cpus
|
||||
|
||||
// mov x4, x0
|
||||
|
||||
mrs x0, spsr_el1 /* Enter EL1 (Exception Level 1) */
|
||||
bic x0, x0, #0x1f
|
||||
MOV x1, #0xC5
|
||||
ORR x0, x0, x1
|
||||
msr spsr_el1, x0
|
||||
|
||||
|
||||
/* set NSACR, both Secure and Non-secure access are allowed to NEON */
|
||||
MRS X1, CPACR_EL1
|
||||
ORR X1, X1, #(0X3 << 20)
|
||||
MSR CPACR_EL1, X1
|
||||
ISB
|
||||
|
||||
// clear some registers
|
||||
msr elr_el1, XZR
|
||||
|
||||
ldr x0, =stacks_top
|
||||
mov x1, #MODE_STACK_SIZE
|
||||
|
||||
// get cpu id, and subtract the offset from the stacks base address
|
||||
mrs x2, mpidr_el1
|
||||
and x2, x2, #0x3
|
||||
mov x5, x2
|
||||
mul x3, x2, x1
|
||||
sub x0, x0, x3
|
||||
|
||||
MOV X2, #ARM_MODE_EL1_h | DIS_INT
|
||||
MSR SPSR_EL1, X2
|
||||
mov sp, x0
|
||||
SUB x0, x0,x1
|
||||
|
||||
// check cpu id - cpu0 is primary cpu
|
||||
cmp x5, #0
|
||||
beq primary_cpu_init
|
||||
bl bootmain // for secondary cpus, jump to argument function pointer passed in by ROM
|
||||
|
||||
bl .
|
||||
|
||||
primary_cpu_init:
|
||||
/* init .bss */
|
||||
/* clear the .bss section (zero init) */
|
||||
ldr x1, =boot_start_addr
|
||||
ldr x2, =boot_end_addr
|
||||
mov x3, #0
|
||||
1:
|
||||
cmp x1, x2
|
||||
stp x3, x3, [x1], #16
|
||||
b.lt 1b
|
||||
|
||||
// branch to c library entry point
|
||||
mov x0, #0 // argc
|
||||
mov x1, #0 // argv
|
||||
mov x2, #0 // env
|
||||
|
||||
bl bootmain
|
||||
|
||||
.end
|
||||
|
|
@ -0,0 +1,11 @@
|
|||
export CROSS_COMPILE ?= aarch64-none-elf-
|
||||
export DEVICE = -mtune=cortex-a72 -ffreestanding -fno-common -fno-stack-protector -fno-pie -no-pie
|
||||
export CFLAGS := $(DEVICE) -Wall -Werror -O2 -g -fno-omit-frame-pointer -fPIC
|
||||
# export AFLAGS := -c $(DEVICE) -x assembler-with-cpp -D__ASSEMBLY__ -gdwarf-2
|
||||
export LFLAGS := $(DEVICE) -Wl,-T -Wl,$(KERNEL_ROOT)/hardkernel/arch/arm/armv8-a/cortex-a72/preboot_for_ok1028a-c/nxp_ls1028.lds -Wl,--start-group,-lgcc,-lc,--end-group
|
||||
export CXXFLAGS :=
|
||||
|
||||
export DEFINES := -DHAVE_CCONFIG_H -DCHIP_LS1028
|
||||
|
||||
export ARCH = arm
|
||||
export ARCH_ARMV = armv8-a
|
||||
|
|
@ -0,0 +1,37 @@
|
|||
/*!
|
||||
* @file cortexA72.s
|
||||
* @brief This file contains cortexA72 functions
|
||||
*
|
||||
*/
|
||||
/*************************************************
|
||||
File name: cortexA72.S
|
||||
Description: This file contains cortexA9 functions
|
||||
Others:
|
||||
History:
|
||||
1. Date: 202-05-08
|
||||
Author: AIIT XUOS Lab
|
||||
Modification:
|
||||
1. No modifications
|
||||
*************************************************/
|
||||
.section ".text","ax"
|
||||
|
||||
.global cpu_get_current
|
||||
# int cpu_get_current(void)@
|
||||
# get current CPU ID
|
||||
.func cpu_get_current
|
||||
cpu_get_current:
|
||||
mrs x0, mpidr_el1
|
||||
and x0, x0, #3
|
||||
ret
|
||||
.endfunc
|
||||
|
||||
.global psci_call
|
||||
psci_call:
|
||||
hvc #0
|
||||
ret
|
||||
|
||||
|
||||
# ------------------------------------------------------------
|
||||
# End of cortexA72.s
|
||||
# ------------------------------------------------------------
|
||||
.end
|
||||
|
|
@ -0,0 +1,234 @@
|
|||
/*
|
||||
* Copyright (c) 2012, Freescale Semiconductor, Inc.
|
||||
* All rights reserved.
|
||||
*
|
||||
* Redistribution and use in source and binary forms, with or without modification,
|
||||
* are permitted provided that the following conditions are met:
|
||||
*
|
||||
* o Redistributions of source code must retain the above copyright notice, this list
|
||||
* of conditions and the following disclaimer.
|
||||
*
|
||||
* o Redistributions in binary form must reproduce the above copyright notice, this
|
||||
* list of conditions and the following disclaimer in the documentation and/or
|
||||
* other materials provided with the distribution.
|
||||
*
|
||||
* o Neither the name of Freescale Semiconductor, Inc. nor the names of its
|
||||
* contributors may be used to endorse or promote products derived from this
|
||||
* software without specific prior written permission.
|
||||
*
|
||||
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
|
||||
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
|
||||
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
|
||||
* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR
|
||||
* ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
|
||||
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
|
||||
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
|
||||
* ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
|
||||
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
|
||||
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
|
||||
*/
|
||||
/**
|
||||
* @file cortex_a72.h
|
||||
* @brief some cortex A72 core functions
|
||||
* @version 1.0
|
||||
* @author AIIT XUOS Lab
|
||||
* @date 2024.04.24
|
||||
*/
|
||||
|
||||
/*************************************************
|
||||
File name: cortex_a72.h
|
||||
Description: some cortex A72 core functions
|
||||
Others:
|
||||
History:
|
||||
Author: AIIT XUOS Lab
|
||||
Modification:
|
||||
1. No modifications
|
||||
*************************************************/
|
||||
|
||||
#if !defined(__CORTEX_A72_H__)
|
||||
#define __CORTEX_A72_H__
|
||||
|
||||
#include <stdbool.h>
|
||||
#include <stdint.h>
|
||||
#include <stdlib.h>
|
||||
|
||||
//! @name Instruction macros
|
||||
//@{
|
||||
#define NOP() __asm__ volatile("nop\n\t")
|
||||
#define WFI() __asm__ volatile("wfi\n\t")
|
||||
#define WFE() __asm__ volatile("wfe\n\t")
|
||||
#define SEV() __asm__ volatile("sev\n\t")
|
||||
#define DMB() __asm__ volatile("dmb ish\n\t")
|
||||
#define DSB() __asm__ volatile("dsb ish\n\t")
|
||||
#define ISB() __asm__ volatile("isb\n\t")
|
||||
|
||||
#define _ARM_MRS(coproc, opcode1, Rt, CRn, CRm, opcode2) \
|
||||
__asm__ volatile("mrc p" #coproc ", " #opcode1 ", %[output], c" #CRn ", c" #CRm ", " #opcode2 "\n" : [output] "=r"(Rt))
|
||||
|
||||
#define _ARM_MSR(coproc, opcode1, Rt, CRn, CRm, opcode2) \
|
||||
__asm__ volatile("mcr p" #coproc ", " #opcode1 ", %[input], c" #CRn ", c" #CRm ", " #opcode2 "\n" ::[input] "r"(Rt))
|
||||
|
||||
// #define WriteReg(value, address) (*(volatile unsigned int*)(address) = (value))
|
||||
// #define ReadReg(address) (*(volatile unsigned int*)(address))
|
||||
|
||||
#if defined(__cplusplus)
|
||||
extern "C" {
|
||||
#endif
|
||||
|
||||
//! @name Misc
|
||||
//@{
|
||||
//! @brief Enable or disable the IRQ and FIQ state.
|
||||
bool arm_set_interrupt_state(bool enable);
|
||||
|
||||
//! @brief Get current CPU ID.
|
||||
int cpu_get_current(void);
|
||||
|
||||
//! @brief Enable the NEON MPE.
|
||||
void enable_neon_fpu(void);
|
||||
|
||||
//! @brief Disable aborts on unaligned accesses.
|
||||
void disable_strict_align_check(void);
|
||||
|
||||
//! @brief Get base address of private perpherial space.
|
||||
//!
|
||||
//! @return The address of the ARM CPU's private peripherals.
|
||||
// uint32_t get_arm_private_peripheral_base(void);
|
||||
//@}
|
||||
|
||||
//! @name Data cache operations
|
||||
//@{
|
||||
|
||||
//! @brief Check if dcache is enabled or disabled.
|
||||
int arm_dcache_state_query();
|
||||
|
||||
//! @brief Enables data cache at any available cache level.
|
||||
//!
|
||||
//! Works only if MMU is enabled!
|
||||
void arm_dcache_enable();
|
||||
|
||||
//! @brief Disables the data cache at any available cache level.
|
||||
void arm_dcache_disable();
|
||||
|
||||
//! @brief Invalidates the entire data cache.
|
||||
void arm_dcache_invalidate();
|
||||
|
||||
//! @brief Invalidate a line of data cache.
|
||||
void arm_dcache_invalidate_line(const void* addr);
|
||||
|
||||
//! @brief Invalidate a number of lines of data cache.
|
||||
//!
|
||||
//! Number of lines depends on length parameter and size of line.
|
||||
//! Size of line for A9 L1 cache is 32B.
|
||||
void arm_dcache_invalidate_mlines(const void* addr, size_t length);
|
||||
|
||||
//! @brief Flush (clean) all lines of cache (all sets in all ways).
|
||||
void arm_dcache_flush();
|
||||
|
||||
//! @brief Flush (clean) one line of cache.
|
||||
void arm_dcache_flush_line(const void* addr);
|
||||
|
||||
// @brief Flush (clean) multiple lines of cache.
|
||||
//!
|
||||
//! Number of lines depends on length parameter and size of line.
|
||||
void arm_dcache_flush_mlines(const void* addr, size_t length);
|
||||
//@}
|
||||
|
||||
//! @name Instrution cache operations
|
||||
//@{
|
||||
|
||||
//! @brief Check if icache is enabled or disabled.
|
||||
int arm_icache_state_query();
|
||||
|
||||
//! @brief Enables instruction cache at any available cache level.
|
||||
//!
|
||||
//! Works without enabled MMU too!
|
||||
void arm_icache_enable();
|
||||
|
||||
//! @brief Disables the instruction cache at any available cache level.
|
||||
void arm_icache_disable();
|
||||
|
||||
//! @brief Invalidates the entire instruction cache.
|
||||
void arm_icache_invalidate();
|
||||
|
||||
//! @brief Invalidates the entire instruction cache inner shareable.
|
||||
void arm_icache_invalidate_is();
|
||||
|
||||
//! @brief Invalidate a line of the instruction cache.
|
||||
void arm_icache_invalidate_line(const void* addr);
|
||||
|
||||
//! @brief Invalidate a number of lines of instruction cache.
|
||||
//!
|
||||
//! Number of lines depends on length parameter and size of line.
|
||||
void arm_icache_invalidate_mlines(const void* addr, size_t length);
|
||||
//@}
|
||||
|
||||
//! @name TLB operations
|
||||
//@{
|
||||
//! @brief Invalidate entire unified TLB.
|
||||
void arm_unified_tlb_invalidate(void);
|
||||
|
||||
//! @brief Invalidate entire unified TLB Inner Shareable.
|
||||
void arm_unified_tlb_invalidate_is(void);
|
||||
//@}
|
||||
|
||||
//! @name Branch predictor operations
|
||||
//@{
|
||||
//! @brief Enable branch prediction.
|
||||
void arm_branch_prediction_enable(void);
|
||||
|
||||
//! @brief Disable branch prediction.
|
||||
void arm_branch_prediction_disable(void);
|
||||
|
||||
//! @brief Invalidate entire branch predictor array.
|
||||
void arm_branch_target_cache_invalidate(void);
|
||||
|
||||
//! @brief Invalidate entire branch predictor array Inner Shareable
|
||||
void arm_branch_target_cache_invalidate_is(void);
|
||||
//@}
|
||||
|
||||
//! @name SCU
|
||||
//@{
|
||||
//! @brief Enables the SCU.
|
||||
void scu_enable(void);
|
||||
|
||||
//! @brief Set this CPU as participating in SMP.
|
||||
void scu_join_smp(void);
|
||||
|
||||
//! @brief Set this CPU as not participating in SMP.
|
||||
void scu_leave_smp(void);
|
||||
|
||||
//! @brief Determine which CPUs are participating in SMP.
|
||||
//!
|
||||
//! The return value is 1 bit per core:
|
||||
//! - bit 0 - CPU 0
|
||||
//! - bit 1 - CPU 1
|
||||
//! - etc...
|
||||
unsigned int scu_get_cpus_in_smp(void);
|
||||
|
||||
//! @brief Enable the broadcasting of cache & TLB maintenance operations.
|
||||
//!
|
||||
//! When enabled AND in SMP, broadcast all "inner sharable"
|
||||
//! cache and TLM maintenance operations to other SMP cores
|
||||
void scu_enable_maintenance_broadcast(void);
|
||||
|
||||
//! @brief Disable the broadcasting of cache & TLB maintenance operations.
|
||||
void scu_disable_maintenance_broadcast(void);
|
||||
|
||||
//! @brief Invalidates the SCU copy of the tag rams for the specified core.
|
||||
//!
|
||||
//! Typically only done at start-up.
|
||||
//! Possible flow:
|
||||
//! - Invalidate L1 caches
|
||||
//! - Invalidate SCU copy of TAG RAMs
|
||||
//! - Join SMP
|
||||
//!
|
||||
//! @param cpu 0x0=CPU 0, 0x1=CPU 1, etc...
|
||||
//! @param ways The ways to invalidate. Pass 0xf to invalidate all ways.
|
||||
void scu_secure_invalidate(unsigned int cpu, unsigned int ways);
|
||||
//@}
|
||||
|
||||
#if defined(__cplusplus)
|
||||
}
|
||||
#endif
|
||||
|
||||
#endif //__CORTEX_A72_H__
|
||||
|
|
@ -0,0 +1,110 @@
|
|||
/*
|
||||
* Copyright (c) 2020 AIIT XUOS Lab
|
||||
* XiUOS is licensed under Mulan PSL v2.
|
||||
* You can use this software according to the terms and conditions of the Mulan PSL v2.
|
||||
* You may obtain a copy of Mulan PSL v2 at:
|
||||
* http://license.coscl.org.cn/MulanPSL2
|
||||
* THIS SOFTWARE IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OF ANY KIND,
|
||||
* EITHER EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO NON-INFRINGEMENT,
|
||||
* MERCHANTABILITY OR FIT FOR A PARTICULAR PURPOSE.
|
||||
* See the Mulan PSL v2 for more details.
|
||||
*/
|
||||
#ifndef INC_SYSREGS_H_
|
||||
#define INC_SYSREGS_H_
|
||||
|
||||
/* SCTLR_EL1, System Control Register (EL1). */
|
||||
#define SCTLR_RESERVED \
|
||||
((3 << 28) | (3 << 22) | (1 << 20) | (1 << 11) | (1 << 8) | (1 << 7))
|
||||
#define SCTLR_EE_LITTLE_ENDIAN (0 << 25)
|
||||
#define SCTLR_E0E_LITTLE_ENDIAN (0 << 24)
|
||||
#define SCTLR_I_CACHE (1 << 12)
|
||||
#define SCTLR_D_CACHE (1 << 2)
|
||||
#define SCTLR_MMU_DISABLED (0 << 0)
|
||||
#define SCTLR_MMU_ENABLED (1 << 0)
|
||||
|
||||
#define SCTLR_VALUE_MMU_DISABLED \
|
||||
(SCTLR_RESERVED | SCTLR_EE_LITTLE_ENDIAN | SCTLR_E0E_LITTLE_ENDIAN \
|
||||
| SCTLR_I_CACHE | SCTLR_D_CACHE | SCTLR_MMU_DISABLED)
|
||||
|
||||
/* HCR_EL2, Hypervisor Configuration Register (EL2). */
|
||||
#define HCR_RW (1 << 31)
|
||||
#define HCR_VALUE HCR_RW
|
||||
|
||||
/* CPACR_EL1, Architectural Feature Access Control Register. */
|
||||
#define CPACR_FP_EN (3 << 20)
|
||||
#define CPACR_TRACE_EN (0 << 28)
|
||||
#define CPACR_VALUE (CPACR_FP_EN | CPACR_TRACE_EN)
|
||||
|
||||
/* SCR_EL3, Secure Configuration Register (EL3). */
|
||||
#define SCR_RESERVED (3 << 4)
|
||||
#define SCR_RW (1 << 10)
|
||||
#define SCR_HCE (1 << 8)
|
||||
#define SCR_SMD (1 << 7)
|
||||
#define SCR_NS (1 << 0)
|
||||
#define SCR_VALUE (SCR_RESERVED | SCR_RW | SCR_HCE | SCR_SMD | SCR_NS)
|
||||
|
||||
/* SPSR_EL1/2/3, Saved Program Status Register. */
|
||||
#define SPSR_MASK_ALL (7 << 6)
|
||||
#define SPSR_EL1h (5 << 0)
|
||||
#define SPSR_EL2h (9 << 0)
|
||||
#define SPSR_EL3_VALUE (SPSR_MASK_ALL | SPSR_EL2h)
|
||||
#define SPSR_EL2_VALUE (SPSR_MASK_ALL | SPSR_EL1h)
|
||||
|
||||
/* Exception Class in ESR_EL1. */
|
||||
#define EC_SHIFT 26
|
||||
#define EC_UNKNOWN 0x00
|
||||
#define EC_SVC64 0x15
|
||||
#define EC_DABORT 0x24
|
||||
#define EC_IABORT 0x20
|
||||
|
||||
#define PTE_VALID 1 // level 0,1,2 descriptor: valid
|
||||
#define PTE_TABLE 2 // level 0,1,2 descriptor: table
|
||||
#define PTE_V 3 // level 3 descriptor: valid
|
||||
// PTE_AF(Access Flag)
|
||||
//
|
||||
// 0 -- this block entry has not yet.
|
||||
// 1 -- this block entry has been used.
|
||||
#define PTE_AF (1 << 10)
|
||||
// PTE_AP(Access Permission) is 2bit field.
|
||||
// EL0 EL1
|
||||
// 00 -- x RW
|
||||
// 01 -- RW RW
|
||||
// 10 -- x RO
|
||||
// 11 -- RO RO
|
||||
#define PTE_AP(ap) (((ap) & 3) << 6)
|
||||
#define PTE_U PTE_AP(1)
|
||||
#define PTE_RO PTE_AP(2)
|
||||
#define PTE_URO PTE_AP(3)
|
||||
#define PTE_PXN (1UL << 53) // Privileged eXecute Never
|
||||
#define PTE_UXN (1UL << 54) // Unprivileged(user) eXecute Never
|
||||
#define PTE_XN (PTE_PXN | PTE_UXN) // eXecute Never
|
||||
|
||||
// attribute index
|
||||
// index is set by mair_el1
|
||||
#define AI_DEVICE_nGnRnE_IDX 0x0
|
||||
#define AI_NORMAL_NC_IDX 0x1
|
||||
|
||||
// memory type
|
||||
#define MT_DEVICE_nGnRnE 0x0
|
||||
#define MT_NORMAL_NC 0x44
|
||||
|
||||
#define PTE_INDX(i) (((i) & 7) << 2)
|
||||
#define PTE_DEVICE PTE_INDX(AI_DEVICE_nGnRnE_IDX)
|
||||
#define PTE_NORMAL PTE_INDX(AI_NORMAL_NC_IDX)
|
||||
|
||||
// shift a physical address to the right place for a PTE.
|
||||
#define PA2PTE(pa) ((uint64_t)(pa) & 0xfffffffff000)
|
||||
#define PTE2PA(pte) ((uint64_t)(pte) & 0xfffffffff000)
|
||||
|
||||
#define PTE_FLAGS(pte) ((pte) & (0x600000000003ff))
|
||||
|
||||
// translation control register
|
||||
// #define TCR_T0SZ(n) ((n) & 0x3f)
|
||||
// #define TCR_TG0(n) (((n) & 0x3) << 14)
|
||||
// #define TCR_T1SZ(n) (((n) & 0x3f) << 16)
|
||||
// #define TCR_TG1(n) (((n) & 0x3) << 30)
|
||||
// #define TCR_IPS(n) (((n) & 0x7) << 32)
|
||||
|
||||
#define ISS_MASK 0xFFFFFF
|
||||
|
||||
#endif // INC_SYSREGS_H_
|
||||
|
|
@ -0,0 +1,119 @@
|
|||
/*
|
||||
* Copyright (c) 2010-2012, Freescale Semiconductor, Inc.
|
||||
* All rights reserved.
|
||||
*
|
||||
* Redistribution and use in source and binary forms, with or without modification,
|
||||
* are permitted provided that the following conditions are met:
|
||||
*
|
||||
* o Redistributions of source code must retain the above copyright notice, this list
|
||||
* of conditions and the following disclaimer.
|
||||
*
|
||||
* o Redistributions in binary form must reproduce the above copyright notice, this
|
||||
* list of conditions and the following disclaimer in the documentation and/or
|
||||
* other materials provided with the distribution.
|
||||
*
|
||||
* o Neither the name of Freescale Semiconductor, Inc. nor the names of its
|
||||
* contributors may be used to endorse or promote products derived from this
|
||||
* software without specific prior written permission.
|
||||
*
|
||||
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
|
||||
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
|
||||
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
|
||||
* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR
|
||||
* ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
|
||||
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
|
||||
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
|
||||
* ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
|
||||
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OF THE USE OF THIS
|
||||
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
|
||||
*/
|
||||
|
||||
/**
|
||||
* @file nxp_ls1028.lds
|
||||
* @brief nxp ls1028 lds function
|
||||
* @version 1.0
|
||||
* @author AIIT XUOS Lab
|
||||
* @date 2024.04.10
|
||||
*/
|
||||
BOOT_STACK_SIZE = 0x4000;
|
||||
|
||||
OUTPUT_FORMAT("elf64-littleaarch64")
|
||||
OUTPUT_ARCH( "aarch64" )
|
||||
/**
|
||||
ENTRY( _ENTRY )
|
||||
*/
|
||||
ENTRY( _boot_start )
|
||||
|
||||
MEMORY {
|
||||
phy_ddr3 (rwx) : ORIGIN = 0x0000000040000000, LENGTH = 1024M
|
||||
vir_ddr3 (rwx) : ORIGIN = 0x0000006040635000, LENGTH = 1024M
|
||||
}
|
||||
|
||||
|
||||
SECTIONS
|
||||
{
|
||||
.start_sec : {
|
||||
. = ALIGN(0x1000);
|
||||
/* initialization start checkpoint. */
|
||||
|
||||
boot.o(.text)
|
||||
bootmmu.o(.text .text.*)
|
||||
|
||||
boot.o(.rodata .rodata.*)
|
||||
bootmmu.o(.rodata .rodata.*)
|
||||
|
||||
boot.o(.data .data.*)
|
||||
bootmmu.o(.data .data.*)
|
||||
|
||||
PROVIDE(boot_start_addr = .);
|
||||
|
||||
boot.o(.bss .bss.* COMMON)
|
||||
bootmmu.o(.bss .bss.* COMMON)
|
||||
|
||||
/* stack for booting code. */
|
||||
. = ALIGN(0x1000);
|
||||
PROVIDE(stacks_start = .);
|
||||
. += BOOT_STACK_SIZE;
|
||||
PROVIDE(stacks_end = .);
|
||||
PROVIDE(stacks_top = .);
|
||||
|
||||
/* initialization end checkpoint. */
|
||||
PROVIDE(boot_end_addr = .);
|
||||
} > phy_ddr3
|
||||
|
||||
.text : AT(0x40635000) {
|
||||
. = ALIGN(0x1000);
|
||||
*(.text .text.* .gnu.linkonce.t.*)
|
||||
} > vir_ddr3
|
||||
|
||||
. = ALIGN(0x1000);
|
||||
|
||||
.data : {
|
||||
*(.data .data.*)
|
||||
|
||||
. = ALIGN(0x1000);
|
||||
PROVIDE(_binary_fs_img_start = .);
|
||||
*(.rawdata_fs_img*)
|
||||
PROVIDE(_binary_fs_img_end = .);
|
||||
. = ALIGN(0x1000);
|
||||
PROVIDE(_binary_init_start = .);
|
||||
*(.rawdata_init*)
|
||||
PROVIDE(_binary_init_end = .);
|
||||
. = ALIGN(0x1000);
|
||||
PROVIDE(_binary_default_fs_start = .);
|
||||
*(.rawdata_memfs*)
|
||||
PROVIDE(_binary_default_fs_end = .);
|
||||
} > vir_ddr3
|
||||
|
||||
. = ALIGN(0x1000);
|
||||
PROVIDE(kernel_data_begin = .);
|
||||
|
||||
_image_size = . - 0x0000006040000000;
|
||||
.bss : {
|
||||
PROVIDE(__bss_start__ = .);
|
||||
*(.bss .bss.* COMMON)
|
||||
PROVIDE(__bss_end__ = .);
|
||||
} > vir_ddr3
|
||||
. = ALIGN(0x1000);
|
||||
PROVIDE(kernel_data_end = .);
|
||||
}
|
||||
|
|
@ -0,0 +1,62 @@
|
|||
/*
|
||||
* Copyright (c) 2010-2012, Freescale Semiconductor, Inc.
|
||||
* All rights reserved.
|
||||
*
|
||||
* Redistribution and use in source and binary forms, with or without modification,
|
||||
* are permitted provided that the following conditions are met:
|
||||
*
|
||||
* o Redistributions of source code must retain the above copyright notice, this list
|
||||
* of conditions and the following disclaimer.
|
||||
*
|
||||
* o Redistributions in binary form must reproduce the above copyright notice, this
|
||||
* list of conditions and the following disclaimer in the documentation and/or
|
||||
* other materials provided with the distribution.
|
||||
*
|
||||
* o Neither the name of Freescale Semiconductor, Inc. nor the names of its
|
||||
* contributors may be used to endorse or promote products derived from this
|
||||
* software without specific prior written permission.
|
||||
*
|
||||
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
|
||||
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
|
||||
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
|
||||
* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR
|
||||
* ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
|
||||
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
|
||||
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
|
||||
* ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
|
||||
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
|
||||
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
|
||||
*/
|
||||
|
||||
/**
|
||||
* @file smp.c
|
||||
* @brief start multicore
|
||||
* @version 1.0
|
||||
* @author AIIT XUOS Lab
|
||||
* @date 2024.04.10
|
||||
*/
|
||||
|
||||
/*************************************************
|
||||
File name: smp.c
|
||||
Description:
|
||||
Others:
|
||||
History:
|
||||
Author: AIIT XUOS Lab
|
||||
Modification:
|
||||
1. No modifications
|
||||
*************************************************/
|
||||
#include <stdint.h>
|
||||
|
||||
#define PSCI_CPUON 0xc4000003
|
||||
|
||||
extern void _boot_start();
|
||||
void psci_call(uint64_t fn, uint8_t cpuid, uint64_t entry, uint64_t ctxid);
|
||||
void cpu_start_secondary(uint8_t cpu_id)
|
||||
{
|
||||
psci_call(PSCI_CPUON, cpu_id, (uintptr_t)&_boot_start, 0);
|
||||
}
|
||||
|
||||
void start_smp_cache_broadcast(int cpu_id)
|
||||
{
|
||||
return;
|
||||
}
|
||||
|
|
@ -1,3 +1,8 @@
|
|||
ifneq ($(findstring $(BOARD), imx6q-sabrelite zynq7000-zc702), )
|
||||
SRC_DIR := cortex-a9
|
||||
endif
|
||||
ifneq ($(findstring $(BOARD), ok1028a-c), )
|
||||
SRC_DIR := cortex-a72
|
||||
endif
|
||||
|
||||
include $(KERNEL_ROOT)/compiler.mk
|
||||
|
|
@ -0,0 +1,3 @@
|
|||
SRC_FILES := l1_cache.c
|
||||
|
||||
include $(KERNEL_ROOT)/compiler.mk
|
||||
|
|
@ -0,0 +1,281 @@
|
|||
/**
|
||||
* @file: l1_cache.c
|
||||
* @brief: the general management of L1 cache
|
||||
* @version: 1.0
|
||||
* @author: AIIT XUOS Lab
|
||||
* @date: 2024/04/23
|
||||
*
|
||||
*/
|
||||
|
||||
/*************************************************
|
||||
File name: l1_cache.c
|
||||
Description: the general management of L1 cache
|
||||
Others:
|
||||
History:
|
||||
Author: AIIT XUOS Lab
|
||||
Modification:
|
||||
1. implement the l1 cache operations
|
||||
2. function names are modified to apply softkernel developement
|
||||
3. function implementations are from modifications of imx6 SDK package
|
||||
*************************************************/
|
||||
|
||||
#include "l1_cache.h"
|
||||
|
||||
void InvalidateL1Dcache(uintptr_t start, uintptr_t end)
|
||||
{
|
||||
uint64_t length = end - start;
|
||||
uint64_t addr = start;
|
||||
uint64_t ccsidr_el1;
|
||||
uint64_t line_size;
|
||||
uint64_t va;
|
||||
// get the cache line size
|
||||
|
||||
__asm__ __volatile__("mrs %0, ccsidr_el1" : "=r"(ccsidr_el1));
|
||||
line_size = 1 << ((ccsidr_el1 & 0x7) + 4);
|
||||
|
||||
// align the address with line
|
||||
const uintptr_t end_addr = (const uintptr_t)((uint64_t)addr + length);
|
||||
|
||||
do {
|
||||
va = (uint64_t)((uint64_t)addr & (~(line_size - 1)));
|
||||
|
||||
// Invalidate data cache line to PoC (Point of Coherence) by va.
|
||||
__asm__ __volatile__("dc ivac, %0 " : : "r"(va));
|
||||
|
||||
// increment addres to next line and decrement lenght
|
||||
addr = (uintptr_t)((uint64_t)addr + line_size);
|
||||
} while (addr < end_addr);
|
||||
|
||||
// All Cache, Branch predictor and TLB maintenance operations before followed instruction complete
|
||||
DSB();
|
||||
}
|
||||
|
||||
void InvalidateL1DcacheAll(void)
|
||||
{
|
||||
uint64_t ccsidr_el1; // Cache Size ID
|
||||
int num_sets; // number of sets
|
||||
int num_ways; // number of ways
|
||||
uint32_t wayset; // wayset parameter
|
||||
|
||||
__asm__ __volatile__("mrs %0, ccsidr_el1" : "=r"(ccsidr_el1)); // Read Cache Size ID
|
||||
|
||||
// Fill number of sets and number of ways from ccsidr_el1 register
|
||||
num_sets = ((ccsidr_el1 >> 32) & 0x7FFF) + 1;
|
||||
num_ways = ((ccsidr_el1 >> 0) & 0x7FFF) + 1;
|
||||
|
||||
// Invalidation all lines (all Sets in all ways)
|
||||
for (int way = 0; way < num_ways; way++) {
|
||||
for (int set = 0; set < num_sets; set++) {
|
||||
wayset = (way << 30) | (set << 5);
|
||||
__asm__ __volatile__("dc isw, %0" : : "r"(wayset));
|
||||
}
|
||||
}
|
||||
|
||||
// All Cache, Branch predictor and TLB maintenance operations before followed instruction complete
|
||||
DSB();
|
||||
}
|
||||
|
||||
void CleanL1Dcache(uintptr_t start, uintptr_t end)
|
||||
{
|
||||
void* addr = (void*)start;
|
||||
uintptr_t length = end - start;
|
||||
const void* end_addr = (const void*)((uint64_t)addr + length);
|
||||
uint64_t ccsidr_el1;
|
||||
uint64_t line_size;
|
||||
uint64_t va;
|
||||
|
||||
// get the cache line size
|
||||
__asm__ __volatile__("mrs %0, ccsidr_el1" : "=r"(ccsidr_el1));
|
||||
line_size = 1 << ((ccsidr_el1 & 0x7) + 4);
|
||||
|
||||
do {
|
||||
va = (uint64_t)addr & (~(line_size - 1));
|
||||
// Clean data cache line to PoC (Point of Coherence) by va.
|
||||
__asm__ __volatile__("dc cvac, %0" : : "r"(va));
|
||||
|
||||
// increment addres to next line and decrement lenght
|
||||
addr = (void*)((uint64_t)addr + line_size);
|
||||
} while (addr < end_addr);
|
||||
|
||||
// All Cache, Branch predictor and TLB maintenance operations before followed instruction complete
|
||||
DSB();
|
||||
}
|
||||
|
||||
void CleanL1DcacheAll(void)
|
||||
{
|
||||
uint64_t ccsidr_el1; // Cache Size ID
|
||||
int num_sets; // number of sets
|
||||
int num_ways; // number of ways
|
||||
uint32_t wayset; // wayset parameter
|
||||
|
||||
__asm__ __volatile__("mrs %0, ccsidr_el1" : "=r"(ccsidr_el1)); // Read Cache Size ID
|
||||
|
||||
// Fill number of sets and number of ways from ccsidr_el1 register This walues are decremented by 1
|
||||
num_sets = ((ccsidr_el1 >> 32) & 0x7FFF) + 1;
|
||||
num_ways = ((ccsidr_el1 >> 0) & 0x7FFF) + 1;
|
||||
|
||||
// clean all lines (all Sets in all ways)
|
||||
for (int way = 0; way < num_ways; way++) {
|
||||
for (int set = 0; set < num_sets; set++) {
|
||||
wayset = (way << 30) | (set << 5);
|
||||
__asm__ __volatile__("dc csw, %0" : : "r"(wayset));
|
||||
}
|
||||
}
|
||||
|
||||
// All Cache, Branch predictor and TLB maintenance operations before followed instruction complete
|
||||
DSB();
|
||||
}
|
||||
|
||||
void FlushL1Dcache(uintptr_t start, uintptr_t end)
|
||||
{
|
||||
void* addr = (void*)start;
|
||||
// size_t length=end-start;
|
||||
uint64_t va;
|
||||
uint64_t ccsidr_el1 = 0, line_size = 0;
|
||||
const void* end_addr = (const void*)((uint64_t)end);
|
||||
|
||||
// get the cache line size
|
||||
__asm__ __volatile__("mrs %0, ccsidr_el1" : "=r"(ccsidr_el1));
|
||||
line_size = 1 << ((ccsidr_el1 & 0x7) + 4);
|
||||
|
||||
do {
|
||||
// Clean data cache line to PoC (Point of Coherence) by va.
|
||||
va = (uint64_t)((uint64_t)addr & (~(line_size - 1))); // addr & va_VIRTUAL_ADDRESS_MASK
|
||||
__asm__ __volatile__("dc civac, %0" : : "r"(va));
|
||||
|
||||
// increment addres to next line and decrement lenght
|
||||
addr = (void*)((uint64_t)addr + line_size);
|
||||
} while (addr < end_addr);
|
||||
|
||||
// All Cache, Branch predictor and TLB maintenance operations before followed instruction complete
|
||||
DSB();
|
||||
}
|
||||
|
||||
void FlushL1DcacheAll(void)
|
||||
{
|
||||
uint64_t ccsidr_el1; // Cache Size ID
|
||||
int num_sets; // number of sets
|
||||
int num_ways; // number of ways
|
||||
uint32_t wayset; // wayset parameter
|
||||
|
||||
__asm__ __volatile__("mrs %0, ccsidr_el1" : "=r"(ccsidr_el1)); // Read Cache Size ID
|
||||
|
||||
// Fill number of sets and number of ways from ccsidr_el1 register This walues are decremented by 1
|
||||
num_sets = ((ccsidr_el1 >> 32) & 0x7FFF) + 1;
|
||||
num_ways = ((ccsidr_el1 >> 0) & 0x7FFF) + 1;
|
||||
|
||||
// clean and invalidate all lines (all Sets in all ways)
|
||||
for (int way = 0; way < num_ways; way++) {
|
||||
for (int set = 0; set < num_sets; set++) {
|
||||
wayset = (way << 30) | (set << 5);
|
||||
__asm__ __volatile__("dc cisw, %0" : : "r"(wayset));
|
||||
}
|
||||
}
|
||||
|
||||
// All Cache, Branch predictor and TLB maintenance operations before followed instruction complete
|
||||
DSB();
|
||||
}
|
||||
|
||||
void InvalidateL1IcacheAll()
|
||||
{
|
||||
__asm__ __volatile__("ic iallu\n\t");
|
||||
// synchronize context on this processor
|
||||
ISB();
|
||||
}
|
||||
|
||||
void InvalidateL1Icache(uintptr_t start, uintptr_t end)
|
||||
{
|
||||
// uintptr_t length = end - start;
|
||||
uintptr_t addr = start;
|
||||
uint64_t ccsidr_el1;
|
||||
uint64_t line_size;
|
||||
uint64_t va;
|
||||
const uintptr_t end_addr = (const uintptr_t)((uint64_t)end);
|
||||
// get the cache line size
|
||||
__asm__ __volatile__("mrs %0, ccsidr_el1" : "=r"(ccsidr_el1));
|
||||
line_size = 1 << ((ccsidr_el1 & 0x7) + 4);
|
||||
|
||||
do {
|
||||
va = (uint64_t)((uint64_t)addr & (~(line_size - 1)));
|
||||
|
||||
// Invalidate data cache line to PoC (Point of Coherence) by va.
|
||||
__asm__ __volatile__("ic ivau, %0 " : : "r"(va));
|
||||
// increment addres to next line and decrement lenght
|
||||
addr = (uintptr_t)((uint64_t)addr + line_size);
|
||||
} while (addr < end_addr);
|
||||
|
||||
// synchronize context on this processor
|
||||
ISB();
|
||||
}
|
||||
|
||||
void EnableL1Dcache()
|
||||
{
|
||||
uint64_t sctlr_el1; // System Control Register
|
||||
|
||||
// read sctlr_el1
|
||||
__asm__ __volatile__("mrs %0, sctlr_el1" : "=r"(sctlr_el1));
|
||||
|
||||
if (!(sctlr_el1 & SCTLR_EL1_DCACHE_ENABLE)) {
|
||||
// set C bit (data caching enable)
|
||||
sctlr_el1 |= SCTLR_EL1_DCACHE_ENABLE;
|
||||
|
||||
// write modified sctlr_el1
|
||||
__asm__ __volatile__("msr sctlr_el1, %0" : : "r"(sctlr_el1));
|
||||
|
||||
// data synchronization barrier
|
||||
DSB();
|
||||
}
|
||||
}
|
||||
|
||||
void DisableL1Dcache()
|
||||
{
|
||||
uint64_t sctlr_el1; // System Control Register
|
||||
|
||||
// read sctlr_el1
|
||||
__asm__ __volatile__("mrs %0, sctlr_el1" : "=r"(sctlr_el1));
|
||||
|
||||
// set C bit (data caching enable)
|
||||
sctlr_el1 &= ~SCTLR_EL1_DCACHE_ENABLE;
|
||||
|
||||
// write modified sctlr_el1
|
||||
__asm__ __volatile__("msr sctlr_el1, %0" : "=r"(sctlr_el1));
|
||||
|
||||
// data synchronization barrier
|
||||
DSB();
|
||||
}
|
||||
|
||||
void EnableL1Icache()
|
||||
{
|
||||
uint64_t sctlr_el1; // System Control Register
|
||||
|
||||
// read sctlr_el1
|
||||
__asm__ __volatile__("mrs %0, sctlr_el1" : "=r"(sctlr_el1));
|
||||
|
||||
if (!(sctlr_el1 & SCTLR_EL1_ICACHE_ENABLE)) {
|
||||
// set I bit (data caching enable)
|
||||
sctlr_el1 |= SCTLR_EL1_ICACHE_ENABLE;
|
||||
|
||||
// write modified sctlr_el1
|
||||
__asm__ __volatile__("msr sctlr_el1, %0" : "=r"(sctlr_el1));
|
||||
|
||||
// Instruction synchronization barrier
|
||||
ISB();
|
||||
}
|
||||
}
|
||||
|
||||
void DisableL1Icache()
|
||||
{
|
||||
uint64_t sctlr_el1; // System Control Register
|
||||
|
||||
// read sctlr_el1
|
||||
__asm__ __volatile__("mrs %0, sctlr_el1" : "=r"(sctlr_el1));
|
||||
|
||||
// set I bit (data caching enable)
|
||||
sctlr_el1 &= ~SCTLR_EL1_ICACHE_ENABLE;
|
||||
|
||||
// write modified sctlr_el1
|
||||
__asm__ __volatile__("msr sctlr_el1, %0" : : "r"(sctlr_el1));
|
||||
|
||||
// Instruction synchronization barrier
|
||||
ISB();
|
||||
}
|
||||
|
|
@ -0,0 +1,76 @@
|
|||
/*
|
||||
* Copyright (c) 2020 AIIT XUOS Lab
|
||||
* XiUOS is licensed under Mulan PSL v2.
|
||||
* You can use this software according to the terms and conditions of the Mulan PSL v2.
|
||||
* You may obtain a copy of Mulan PSL v2 at:
|
||||
* http://license.coscl.org.cn/MulanPSL2
|
||||
* THIS SOFTWARE IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OF ANY KIND,
|
||||
* EITHER EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO NON-INFRINGEMENT,
|
||||
* MERCHANTABILITY OR FIT FOR A PARTICULAR PURPOSE.
|
||||
* See the Mulan PSL v2 for more details.
|
||||
*/
|
||||
|
||||
/**
|
||||
* @file: l1_cache.h
|
||||
* @brief: the general management of L1 cache
|
||||
* @version: 1.0
|
||||
* @author: AIIT XUOS Lab
|
||||
* @date: 2024/4/23
|
||||
*
|
||||
*/
|
||||
|
||||
/*************************************************
|
||||
File name: l1_cache.h
|
||||
Description: the general management of L1 cache
|
||||
Others:
|
||||
History:
|
||||
Author: AIIT XUOS Lab
|
||||
Modification:
|
||||
1、define the l1 cache operations
|
||||
*************************************************/
|
||||
#include "core.h"
|
||||
#include <stdint.h>
|
||||
|
||||
/*
|
||||
* L1 Cache Operation:
|
||||
*
|
||||
* IVAC -Invalidate by Virtual Address, to Point of Coherency AArch32Equivalent :DCIMVAC
|
||||
*
|
||||
* ISW -Invalidate by Set/Way AArch32Equivalent :DCISW
|
||||
*
|
||||
*CVAC -Clean by Virtual Address to Point of Coherency AArch32Equivalent :DCCMVAC
|
||||
*
|
||||
*CSW -Clean by Set/Way AArch32Equivalent :DCCSW
|
||||
*
|
||||
*CVAU -Clean by Virtual Address to Point of Unification AArch32Equivalent :DCCMVAU
|
||||
*
|
||||
*CIVAC -Clean and invalidate data cache line by VA to PoC. AArch32Equivalent :DCCIMVAC
|
||||
*
|
||||
*ISW -Clean and invalidate data cache line by Set/Way. AArch32Equivalent :DCCISW
|
||||
*/
|
||||
|
||||
#define SCTLR_EL1_ICACHE_ENABLE (1 << 12) //!< Instruction cache enable
|
||||
#define SCTLR_EL1_DCACHE_ENABLE (1 << 2) //!< Data cache enable
|
||||
|
||||
void InvalidateL1Dcache(uintptr_t start, uintptr_t end);
|
||||
|
||||
void InvalidateL1DcacheAll(void);
|
||||
|
||||
void CleanL1Dcache(uintptr_t start, uintptr_t end);
|
||||
|
||||
void CleanL1DcacheAll(void);
|
||||
|
||||
void FlushL1Dcache(uintptr_t start, uintptr_t end);
|
||||
|
||||
void FlushL1DcacheAll(void);
|
||||
|
||||
void InvalidateL1IcacheAll(void);
|
||||
|
||||
void InvalidateL1Icache(uintptr_t start, uintptr_t end);
|
||||
|
||||
void EnableL1Icache(void);
|
||||
void DisableL1Icache();
|
||||
|
||||
void EnableL1Dcache();
|
||||
|
||||
void DisableL1Dcache();
|
||||
|
|
@ -31,7 +31,7 @@ Modification:
|
|||
*************************************************/
|
||||
#include "cache_common_ope.h"
|
||||
#include "l1_cache.h"
|
||||
#include "l2_cache.h"
|
||||
// #include "l2_cache.h"
|
||||
|
||||
/****************************************************************************
|
||||
* Public Functions
|
||||
|
|
@ -48,7 +48,7 @@ Modification:
|
|||
|
||||
static inline void invalidate_dcache(uintptr_t start, uintptr_t end)
|
||||
{
|
||||
InvalidateL1Dcache(start, end);
|
||||
// InvalidateL1Dcache(start, end);
|
||||
// InvalidateL2Cache(start, end);
|
||||
}
|
||||
|
||||
|
|
@ -65,7 +65,7 @@ static inline void invalidate_dcache(uintptr_t start, uintptr_t end)
|
|||
|
||||
static inline void invalidate_dcache_all(void)
|
||||
{
|
||||
InvalidateL1DcacheAll();
|
||||
// InvalidateL1DcacheAll();
|
||||
// InvalidateL2CacheAll();
|
||||
}
|
||||
|
||||
|
|
@ -78,7 +78,7 @@ static inline void invalidate_dcache_all(void)
|
|||
****************************************************************************/
|
||||
static inline void invalidate_icache(uintptr_t start, uintptr_t end)
|
||||
{
|
||||
InvalidateL1Icache(start, end);
|
||||
// InvalidateL1Icache(start, end);
|
||||
}
|
||||
|
||||
/****************************************************************************
|
||||
|
|
@ -92,7 +92,7 @@ static inline void invalidate_icache(uintptr_t start, uintptr_t end)
|
|||
|
||||
static inline void invalidate_icache_all(void)
|
||||
{
|
||||
InvalidateL1IcacheAll();
|
||||
// InvalidateL1IcacheAll();
|
||||
}
|
||||
|
||||
/****************************************************************************
|
||||
|
|
@ -106,7 +106,7 @@ static inline void invalidate_icache_all(void)
|
|||
|
||||
static inline void clean_dcache(uintptr_t start, uintptr_t end)
|
||||
{
|
||||
CleanL1Dcache(start, end);
|
||||
// CleanL1Dcache(start, end);
|
||||
// CleanL2Cache(start, end);
|
||||
}
|
||||
|
||||
|
|
@ -121,7 +121,7 @@ static inline void clean_dcache(uintptr_t start, uintptr_t end)
|
|||
|
||||
static inline void clean_dcache_all(void)
|
||||
{
|
||||
CleanL1DcacheAll();
|
||||
// CleanL1DcacheAll();
|
||||
// CleanL2CacheAll();
|
||||
}
|
||||
|
||||
|
|
@ -137,7 +137,7 @@ static inline void clean_dcache_all(void)
|
|||
static inline void flush_dcache(uintptr_t start, uintptr_t end)
|
||||
{
|
||||
|
||||
FlushL1Dcache(start, end);
|
||||
// FlushL1Dcache(start, end);
|
||||
// FlushL2Cache(start, end);
|
||||
}
|
||||
|
||||
|
|
@ -151,7 +151,7 @@ static inline void flush_dcache(uintptr_t start, uintptr_t end)
|
|||
|
||||
static inline void flush_dcache_all(void)
|
||||
{
|
||||
FlushL1DcacheAll();
|
||||
// FlushL1DcacheAll();
|
||||
// FlushL2CacheAll();
|
||||
}
|
||||
|
||||
|
|
@ -165,7 +165,7 @@ static inline void flush_dcache_all(void)
|
|||
|
||||
static inline void enable_icache(void)
|
||||
{
|
||||
EnableL1Icache();
|
||||
// EnableL1Icache();
|
||||
}
|
||||
|
||||
/****************************************************************************
|
||||
|
|
@ -178,7 +178,7 @@ static inline void enable_icache(void)
|
|||
|
||||
static inline void disable_icache(void)
|
||||
{
|
||||
DisableL1Icache();
|
||||
// DisableL1Icache();
|
||||
}
|
||||
|
||||
/****************************************************************************
|
||||
|
|
@ -191,7 +191,7 @@ static inline void disable_icache(void)
|
|||
|
||||
static inline void enable_dcache(void)
|
||||
{
|
||||
EnableL1Dcache();
|
||||
// EnableL1Dcache();
|
||||
// EnableL2Cache();
|
||||
}
|
||||
|
||||
|
|
@ -205,9 +205,9 @@ static inline void enable_dcache(void)
|
|||
|
||||
static inline void disable_dcache(void)
|
||||
{
|
||||
FlushL1DcacheAll();
|
||||
// FlushL1DcacheAll();
|
||||
// pl310_flush_all();
|
||||
DisableL1Dcache();
|
||||
// DisableL1Dcache();
|
||||
// DisableL2Cache();
|
||||
}
|
||||
|
||||
|
|
|
|||
|
|
@ -1,3 +1,3 @@
|
|||
SRC_DIR:= arm/armv7-a/cortex-a9/$(BOARD)
|
||||
SRC_DIR:= arm
|
||||
|
||||
include $(KERNEL_ROOT)/compiler.mk
|
||||
|
|
@ -0,0 +1,9 @@
|
|||
ifneq ($(findstring $(BOARD), ok1028a-c), )
|
||||
SRC_DIR := armv8-a
|
||||
endif
|
||||
ifneq ($(findstring $(BOARD), imx6q-sabrelite zynq7000-zc702), )
|
||||
SRC_DIR := armv7-a
|
||||
endif
|
||||
|
||||
|
||||
include $(KERNEL_ROOT)/compiler.mk
|
||||
|
|
@ -0,0 +1,6 @@
|
|||
ifneq ($(findstring $(BOARD), imx6q-sabrelite zynq7000-zc702), )
|
||||
SRC_DIR := cortex-a9
|
||||
endif
|
||||
|
||||
|
||||
include $(KERNEL_ROOT)/compiler.mk
|
||||
|
|
@ -0,0 +1,3 @@
|
|||
SRC_DIR := $(BOARD)
|
||||
|
||||
include $(KERNEL_ROOT)/compiler.mk
|
||||
|
|
@ -0,0 +1,6 @@
|
|||
ifneq ($(findstring $(BOARD), ok1028a-c), )
|
||||
SRC_DIR := cortex-a72
|
||||
endif
|
||||
|
||||
|
||||
include $(KERNEL_ROOT)/compiler.mk
|
||||
|
|
@ -0,0 +1,3 @@
|
|||
SRC_DIR := $(BOARD)
|
||||
|
||||
include $(KERNEL_ROOT)/compiler.mk
|
||||
|
|
@ -0,0 +1,4 @@
|
|||
SRC_FILES := clock.c
|
||||
|
||||
|
||||
include $(KERNEL_ROOT)/compiler.mk
|
||||
|
|
@ -0,0 +1,95 @@
|
|||
/*
|
||||
* Copyright (c) 2020 AIIT XUOS Lab
|
||||
* XiUOS is licensed under Mulan PSL v2.
|
||||
* You can use this software according to the terms and conditions of the Mulan PSL v2.
|
||||
* You may obtain a copy of Mulan PSL v2 at:
|
||||
* http://license.coscl.org.cn/MulanPSL2
|
||||
* THIS SOFTWARE IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OF ANY KIND,
|
||||
* EITHER EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO NON-INFRINGEMENT,
|
||||
* MERCHANTABILITY OR FIT FOR A PARTICULAR PURPOSE.
|
||||
* See the Mulan PSL v2 for more details.
|
||||
*/
|
||||
#include "actracer.h"
|
||||
#include "core.h"
|
||||
#include "generic_timer.h"
|
||||
|
||||
#include "clock_common_op.h"
|
||||
|
||||
// armv8 generic timer driver
|
||||
#define CNTV_CTL_ENABLE (1 << 0)
|
||||
#define CNTV_CTL_IMASK (1 << 1)
|
||||
#define CNTV_CTL_ISTATUS (1 << 2)
|
||||
|
||||
static void enable_timer()
|
||||
{
|
||||
uint32_t c = r_cntv_ctl_el0();
|
||||
c |= CNTV_CTL_ENABLE;
|
||||
c &= ~CNTV_CTL_IMASK;
|
||||
w_cntv_ctl_el0(c);
|
||||
}
|
||||
|
||||
static void disable_timer()
|
||||
{
|
||||
uint32_t c = r_cntv_ctl_el0();
|
||||
c |= CNTV_CTL_IMASK;
|
||||
c &= ~CNTV_CTL_ENABLE;
|
||||
w_cntv_ctl_el0(c);
|
||||
}
|
||||
|
||||
static void reload_timer()
|
||||
{
|
||||
// interval 100ms
|
||||
static uint32_t ms = 10;
|
||||
uint32_t interval = ms * 1000;
|
||||
uint32_t interval_clk = interval * (r_cntfrq_el0() / 1000000);
|
||||
w_cntv_tval_el0(interval_clk);
|
||||
}
|
||||
|
||||
void _sys_clock_init()
|
||||
{
|
||||
disable_timer();
|
||||
reload_timer();
|
||||
enable_timer();
|
||||
}
|
||||
|
||||
static uint32_t _get_clock_int()
|
||||
{
|
||||
return 27;
|
||||
}
|
||||
|
||||
static uint64_t _get_tick()
|
||||
{
|
||||
return r_cntvct_el0();
|
||||
}
|
||||
|
||||
static uint64_t _get_second()
|
||||
{
|
||||
return 0;
|
||||
}
|
||||
|
||||
static bool _is_timer_expired()
|
||||
{
|
||||
return true;
|
||||
}
|
||||
|
||||
static void _clear_clock_intr()
|
||||
{
|
||||
disable_timer();
|
||||
reload_timer();
|
||||
enable_timer();
|
||||
}
|
||||
|
||||
static struct XiziClockDriver hardkernel_clock_driver = {
|
||||
.sys_clock_init = _sys_clock_init,
|
||||
.get_clock_int = _get_clock_int,
|
||||
.get_tick = _get_tick,
|
||||
.get_second = _get_second,
|
||||
.is_timer_expired = _is_timer_expired,
|
||||
.clear_clock_intr = _clear_clock_intr,
|
||||
};
|
||||
|
||||
struct XiziClockDriver* hardkernel_clock_init(struct TraceTag* hardkernel_tag)
|
||||
{
|
||||
hardkernel_clock_driver.sys_clock_init();
|
||||
return &hardkernel_clock_driver;
|
||||
}
|
||||
|
|
@ -0,0 +1,54 @@
|
|||
/*
|
||||
* Copyright (c) 2020 AIIT XUOS Lab
|
||||
* XiUOS is licensed under Mulan PSL v2.
|
||||
* You can use this software according to the terms and conditions of the Mulan PSL v2.
|
||||
* You may obtain a copy of Mulan PSL v2 at:
|
||||
* http://license.coscl.org.cn/MulanPSL2
|
||||
* THIS SOFTWARE IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OF ANY KIND,
|
||||
* EITHER EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO NON-INFRINGEMENT,
|
||||
* MERCHANTABILITY OR FIT FOR A PARTICULAR PURPOSE.
|
||||
* See the Mulan PSL v2 for more details.
|
||||
*/
|
||||
#pragma once
|
||||
|
||||
#include <stddef.h>
|
||||
#include <stdint.h>
|
||||
|
||||
// armv8 generic timer
|
||||
static inline uint32_t r_cntv_ctl_el0()
|
||||
{
|
||||
uint32_t x;
|
||||
__asm__ volatile("mrs %0, cntv_ctl_el0" : "=r"(x));
|
||||
return x;
|
||||
}
|
||||
|
||||
static inline void w_cntv_ctl_el0(uint32_t x)
|
||||
{
|
||||
__asm__ volatile("msr cntv_ctl_el0, %0" : : "r"(x));
|
||||
}
|
||||
|
||||
static inline uint32_t r_cntv_tval_el0()
|
||||
{
|
||||
uint32_t x;
|
||||
__asm__ volatile("mrs %0, cntv_tval_el0" : "=r"(x));
|
||||
return x;
|
||||
}
|
||||
|
||||
static inline void w_cntv_tval_el0(uint32_t x)
|
||||
{
|
||||
__asm__ volatile("msr cntv_tval_el0, %0" : : "r"(x));
|
||||
}
|
||||
|
||||
static inline uint64_t r_cntvct_el0()
|
||||
{
|
||||
uint64_t x;
|
||||
__asm__ volatile("mrs %0, cntvct_el0" : "=r"(x));
|
||||
return x;
|
||||
}
|
||||
|
||||
static inline uint32_t r_cntfrq_el0()
|
||||
{
|
||||
uint32_t x;
|
||||
__asm__ volatile("mrs %0, cntfrq_el0" : "=r"(x));
|
||||
return x;
|
||||
}
|
||||
|
|
@ -1,4 +1,4 @@
|
|||
SRC_DIR := arm/armv7-a/cortex-a9
|
||||
SRC_DIR := arm
|
||||
SRC_FILES := spinlock.c
|
||||
|
||||
include $(KERNEL_ROOT)/compiler.mk
|
||||
|
|
@ -0,0 +1,9 @@
|
|||
ifneq ($(findstring $(BOARD), ok1028a-c), )
|
||||
SRC_DIR := armv8-a
|
||||
endif
|
||||
ifneq ($(findstring $(BOARD), imx6q-sabrelite zynq7000-zc702), )
|
||||
SRC_DIR := armv7-a
|
||||
endif
|
||||
|
||||
|
||||
include $(KERNEL_ROOT)/compiler.mk
|
||||
|
|
@ -0,0 +1,6 @@
|
|||
ifneq ($(findstring $(BOARD), imx6q-sabrelite zynq7000-zc702), )
|
||||
SRC_DIR := cortex-a9
|
||||
endif
|
||||
|
||||
|
||||
include $(KERNEL_ROOT)/compiler.mk
|
||||
|
|
@ -89,7 +89,7 @@ static void _sys_irq_init(int cpu_id)
|
|||
gic_init();
|
||||
}
|
||||
/* active hardware irq responser */
|
||||
xizi_trap_driver.switch_hw_irqtbl((uint32_t*)&_vector_jumper);
|
||||
xizi_trap_driver.switch_hw_irqtbl((uintptr_t*)&_vector_jumper);
|
||||
}
|
||||
|
||||
static void _cpu_irq_enable(void)
|
||||
|
|
@ -117,7 +117,7 @@ static void _single_irq_disable(int irq, int cpu)
|
|||
}
|
||||
|
||||
#define VBAR
|
||||
static inline uint32_t* _switch_hw_irqtbl(uint32_t* new_tbl_base)
|
||||
static inline uintptr_t* _switch_hw_irqtbl(uintptr_t* new_tbl_base)
|
||||
{
|
||||
// get old irq table base addr
|
||||
uint32_t old_tbl_base = 0;
|
||||
|
|
@ -132,7 +132,7 @@ static inline uint32_t* _switch_hw_irqtbl(uint32_t* new_tbl_base)
|
|||
sctlr &= ~(1 << 13);
|
||||
_ARM_MCR(15, 0, sctlr, 1, 0, 0);
|
||||
|
||||
return (uint32_t*)old_tbl_base;
|
||||
return (uintptr_t*)old_tbl_base;
|
||||
}
|
||||
|
||||
static void _bind_irq_handler(int irq, irq_handler_t handler)
|
||||
|
|
|
|||
|
|
@ -0,0 +1,3 @@
|
|||
SRC_DIR := cortex-a72
|
||||
|
||||
include $(KERNEL_ROOT)/compiler.mk
|
||||
|
|
@ -0,0 +1,9 @@
|
|||
SRC_FILES := trampoline.S $(BOARD)/trap_common.c $(BOARD)/trap.c error_debug.c hard_spinlock.S
|
||||
|
||||
ifeq ($(BOARD), ok1028a-c)
|
||||
SRC_DIR := gicv3
|
||||
SRC_FILES += $(BOARD)/
|
||||
endif
|
||||
|
||||
|
||||
include $(KERNEL_ROOT)/compiler.mk
|
||||
|
|
@ -0,0 +1,167 @@
|
|||
/* Copyright (c) 2006-2018 Frans Kaashoek, Robert Morris, Russ Cox,
|
||||
* Massachusetts Institute of Technology
|
||||
*
|
||||
* Permission is hereby granted, free of charge, to any person obtaining
|
||||
* a copy of this software and associated documentation files (the
|
||||
* "Software"), to deal in the Software without restriction, including
|
||||
* without limitation the rights to use, copy, modify, merge, publish,
|
||||
* distribute, sublicense, and/or sell copies of the Software, and to
|
||||
* permit persons to whom the Software is furnished to do so, subject to
|
||||
* the following conditions:
|
||||
*
|
||||
* The above copyright notice and this permission notice shall be
|
||||
* included in all copies or substantial portions of the Software.
|
||||
*
|
||||
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
|
||||
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
|
||||
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
|
||||
* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
|
||||
* LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
|
||||
* OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
|
||||
* WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
|
||||
*/
|
||||
/**
|
||||
* @file error_debug.c
|
||||
* @brief handle program abort
|
||||
* @version 1.0
|
||||
* @author AIIT XUOS Lab
|
||||
* @date 2024.4.25
|
||||
*/
|
||||
|
||||
/*************************************************
|
||||
File name: error_debug.c
|
||||
Description: handle program abort
|
||||
Others:
|
||||
History:
|
||||
Author: AIIT XUOS Lab
|
||||
Modification:
|
||||
1. Take only armv8 abort reason part(_abort_reason).
|
||||
2. Modify iabort and dabort handler(in dabort_handler() and iabort_handler())
|
||||
*************************************************/
|
||||
#include <stddef.h>
|
||||
|
||||
#include "assert.h"
|
||||
#include "core.h"
|
||||
#include "log.h"
|
||||
#include "multicores.h"
|
||||
#include "spinlock.h"
|
||||
#include "task.h"
|
||||
#include "trap_common.h"
|
||||
|
||||
void dump_tf(struct trapframe* tf)
|
||||
{
|
||||
KPrintf(" sp: 0x%x\n", tf->sp);
|
||||
KPrintf(" pc: 0x%x\n", tf->pc);
|
||||
KPrintf(" spsr: 0x%x\n", tf->spsr);
|
||||
KPrintf(" x0: 0x%x\n", tf->x0);
|
||||
KPrintf(" x1: 0x%x\n", tf->x1);
|
||||
KPrintf(" x2: 0x%x\n", tf->x2);
|
||||
KPrintf(" x3: 0x%x\n", tf->x3);
|
||||
KPrintf(" x4: 0x%x\n", tf->x4);
|
||||
KPrintf(" x5: 0x%x\n", tf->x5);
|
||||
KPrintf(" x6: 0x%x\n", tf->x6);
|
||||
KPrintf(" x7: 0x%x\n", tf->x7);
|
||||
KPrintf(" x8: 0x%x\n", tf->x8);
|
||||
KPrintf(" x9: 0x%x\n", tf->x9);
|
||||
KPrintf(" x10: 0x%x\n", tf->x10);
|
||||
KPrintf(" x11: 0x%x\n", tf->x11);
|
||||
KPrintf(" x12: 0x%x\n", tf->x12);
|
||||
KPrintf(" x13: 0x%x\n", tf->x13);
|
||||
KPrintf(" x14: 0x%x\n", tf->x14);
|
||||
KPrintf(" x15: 0x%x\n", tf->x15);
|
||||
KPrintf(" x16: 0x%x\n", tf->x16);
|
||||
KPrintf(" x17: 0x%x\n", tf->x17);
|
||||
KPrintf(" x18: 0x%x\n", tf->x18);
|
||||
KPrintf(" x19: 0x%x\n", tf->x19);
|
||||
KPrintf(" x20: 0x%x\n", tf->x20);
|
||||
KPrintf(" x21: 0x%x\n", tf->x21);
|
||||
KPrintf(" x22: 0x%x\n", tf->x22);
|
||||
KPrintf(" x23: 0x%x\n", tf->x23);
|
||||
KPrintf(" x24: 0x%x\n", tf->x24);
|
||||
KPrintf(" x25: 0x%x\n", tf->x25);
|
||||
KPrintf(" x26: 0x%x\n", tf->x26);
|
||||
KPrintf(" x27: 0x%x\n", tf->x27);
|
||||
KPrintf(" x28: 0x%x\n", tf->x28);
|
||||
KPrintf(" x29: 0x%x\n", tf->x29);
|
||||
KPrintf(" x30: 0x%x\n", tf->x30);
|
||||
}
|
||||
|
||||
void dabort_reason(struct trapframe* r)
|
||||
{
|
||||
uint32_t fault_status, fault_address;
|
||||
__asm__ __volatile__("mrs %0, esr_el1" : "=r"(fault_status));
|
||||
__asm__ __volatile__("mrs %0, far_el1" : "=r"(fault_address));
|
||||
LOG("program counter: 0x%x caused\n", r->pc);
|
||||
LOG("data abort at 0x%x, status 0x%x\n", fault_address, fault_status);
|
||||
if ((fault_status & 0x3f) == 0x21) // Alignment failure
|
||||
KPrintf("reason: alignment\n");
|
||||
else if ((fault_status & 0x3f) == 0x4) // Translation fault, level 0
|
||||
KPrintf("reason: sect. translation level 0\n");
|
||||
else if ((fault_status & 0x3f) == 0x5) // Translation fault, level 1
|
||||
KPrintf("reason: sect. translation level 1\n");
|
||||
else if ((fault_status & 0x3f) == 0x6) // Translation fault, level 2
|
||||
KPrintf("reason: sect. translation level 2\n");
|
||||
else if ((fault_status & 0x3f) == 0x7) // Translation fault, level 3
|
||||
KPrintf("reason: sect. translation level 3\n");
|
||||
else if ((fault_status & 0x3f) == 0x3d) // Section Domain fault
|
||||
KPrintf("reason: sect. domain\n");
|
||||
else if ((fault_status & 0x3f) == 0xd) // Permission level 1
|
||||
KPrintf("reason: sect. permission level 1\n");
|
||||
else if ((fault_status & 0x3f) == 0xe) // Permission level 2
|
||||
KPrintf("reason: sect. permission level 2\n");
|
||||
else if ((fault_status & 0x3f) == 0xf) // Permission level 3
|
||||
KPrintf("reason: sect. permission level 3\n");
|
||||
else if ((fault_status & 0x3f) == 0x14) // External abort
|
||||
KPrintf("reason: ext. abort\n");
|
||||
else if ((fault_status & 0x3f) == 0x9) // Access flag fault, level 1
|
||||
KPrintf("reason: sect. Access flag fault level 1\n");
|
||||
else if ((fault_status & 0x3f) == 0xa) // Access flag fault, level 2
|
||||
KPrintf("reason: sect. Access flag fault level 2\n");
|
||||
else if ((fault_status & 0x3f) == 0xb) // Access flag fault, level 3
|
||||
KPrintf("reason: sect. Access flag fault level 3\n");
|
||||
else
|
||||
KPrintf("reason: unknown???\n");
|
||||
|
||||
dump_tf(r);
|
||||
return;
|
||||
}
|
||||
|
||||
void iabort_reason(struct trapframe* r)
|
||||
{
|
||||
uint32_t fault_status, fault_address;
|
||||
__asm__ __volatile__("mrs %0, esr_el1" : "=r"(fault_status));
|
||||
__asm__ __volatile__("mrs %0, far_el1" : "=r"(fault_address));
|
||||
LOG("program counter: 0x%x caused\n", r->pc);
|
||||
LOG("data abort at 0x%x, status 0x%x\n", fault_address, fault_status);
|
||||
if ((fault_status & 0x3f) == 0x21) // Alignment failure
|
||||
KPrintf("reason: alignment\n");
|
||||
else if ((fault_status & 0x3f) == 0x4) // Translation fault, level 0
|
||||
KPrintf("reason: sect. translation level 0\n");
|
||||
else if ((fault_status & 0x3f) == 0x5) // Translation fault, level 1
|
||||
KPrintf("reason: sect. translation level 1\n");
|
||||
else if ((fault_status & 0x3f) == 0x6) // Translation fault, level 2
|
||||
KPrintf("reason: sect. translation level 2\n");
|
||||
else if ((fault_status & 0x3f) == 0x7) // Translation fault, level 3
|
||||
KPrintf("reason: sect. translation level 3\n");
|
||||
else if ((fault_status & 0x3f) == 0x3d) // Section Domain fault
|
||||
KPrintf("reason: sect. domain\n");
|
||||
else if ((fault_status & 0x3f) == 0xd) // Permission level 1
|
||||
KPrintf("reason: sect. permission level 1\n");
|
||||
else if ((fault_status & 0x3f) == 0xe) // Permission level 2
|
||||
KPrintf("reason: sect. permission level 2\n");
|
||||
else if ((fault_status & 0x3f) == 0xf) // Permission level 3
|
||||
KPrintf("reason: sect. permission level 3\n");
|
||||
else if ((fault_status & 0x3f) == 0x14) // External abort
|
||||
KPrintf("reason: ext. abort\n");
|
||||
else if ((fault_status & 0x3f) == 0x9) // Access flag fault, level 1
|
||||
KPrintf("reason: sect. Access flag fault level 1\n");
|
||||
else if ((fault_status & 0x3f) == 0xa) // Access flag fault, level 2
|
||||
KPrintf("reason: sect. Access flag fault level 2\n");
|
||||
else if ((fault_status & 0x3f) == 0xb) // Access flag fault, level 3
|
||||
KPrintf("reason: sect. Access flag fault level 3\n");
|
||||
else
|
||||
KPrintf("reason: unknown???\n");
|
||||
|
||||
dump_tf(r);
|
||||
return;
|
||||
}
|
||||
|
|
@ -0,0 +1,3 @@
|
|||
SRC_FILES := gicv3.c
|
||||
|
||||
include $(KERNEL_ROOT)/compiler.mk
|
||||
|
|
@ -0,0 +1,258 @@
|
|||
/*
|
||||
* Copyright (c) 2020 AIIT XUOS Lab
|
||||
* XiUOS is licensed under Mulan PSL v2.
|
||||
* You can use this software according to the terms and conditions of the Mulan PSL v2.
|
||||
* You may obtain a copy of Mulan PSL v2 at:
|
||||
* http://license.coscl.org.cn/MulanPSL2
|
||||
* THIS SOFTWARE IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OF ANY KIND,
|
||||
* EITHER EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO NON-INFRINGEMENT,
|
||||
* MERCHANTABILITY OR FIT FOR A PARTICULAR PURPOSE.
|
||||
* See the Mulan PSL v2 for more details.
|
||||
*/
|
||||
/**
|
||||
* @file gicv3.c
|
||||
* @brief gicv3 operation
|
||||
* @version 1.0
|
||||
* @author AIIT XUOS Lab
|
||||
* @date 2024.05.10
|
||||
*/
|
||||
|
||||
/*************************************************
|
||||
File name: gicv3.c
|
||||
Description: gicv3 operation
|
||||
Others:
|
||||
History:
|
||||
Author: AIIT XUOS Lab
|
||||
Modification:
|
||||
*************************************************/
|
||||
#include <string.h>
|
||||
|
||||
#include "core.h"
|
||||
#include "gicv3_common_opa.h"
|
||||
#include "gicv3_registers.h"
|
||||
|
||||
static struct {
|
||||
char* gicd;
|
||||
char* rdist_addrs[NR_CPU];
|
||||
} gicv3;
|
||||
|
||||
static inline uint32_t icc_igrpen1_el1()
|
||||
{
|
||||
uint32_t x;
|
||||
__asm__ volatile("mrs %0, S3_0_C12_C12_7" : "=r"(x));
|
||||
return x;
|
||||
}
|
||||
|
||||
static inline void w_icc_igrpen1_el1(uint32_t x)
|
||||
{
|
||||
__asm__ volatile("msr S3_0_C12_C12_7, %0" : : "r"(x));
|
||||
}
|
||||
|
||||
static inline uint32_t icc_pmr_el1()
|
||||
{
|
||||
uint32_t x;
|
||||
__asm__ volatile("mrs %0, S3_0_C4_C6_0" : "=r"(x));
|
||||
return x;
|
||||
}
|
||||
|
||||
static inline void w_icc_pmr_el1(uint32_t x)
|
||||
{
|
||||
__asm__ volatile("msr S3_0_C4_C6_0, %0" : : "r"(x));
|
||||
}
|
||||
|
||||
inline uint32_t gic_read_irq_ack()
|
||||
{
|
||||
uint32_t x;
|
||||
__asm__ volatile("mrs %0, S3_0_C12_C12_0" : "=r"(x));
|
||||
return x;
|
||||
}
|
||||
|
||||
inline void
|
||||
gic_write_end_of_irq(uint32_t x)
|
||||
{
|
||||
__asm__ volatile("msr S3_0_C12_C12_1, %0" : : "r"(x));
|
||||
}
|
||||
|
||||
static inline uint32_t icc_sre_el1()
|
||||
{
|
||||
uint32_t x;
|
||||
__asm__ volatile("mrs %0, S3_0_C12_C12_5" : "=r"(x));
|
||||
return x;
|
||||
}
|
||||
|
||||
static inline void w_icc_sre_el1(uint32_t x)
|
||||
{
|
||||
__asm__ volatile("msr S3_0_C12_C12_5, %0" : : "r"(x));
|
||||
}
|
||||
|
||||
static void gicd_write(uint32_t off, uint32_t val)
|
||||
{
|
||||
*(volatile uint32_t*)(gicv3.gicd + off) = val;
|
||||
}
|
||||
|
||||
static uint32_t gicd_read(uint32_t off)
|
||||
{
|
||||
return *(volatile uint32_t*)(gicv3.gicd + off);
|
||||
}
|
||||
|
||||
static void gicr_write(uint32_t cpuid, uint32_t off, uint32_t val)
|
||||
{
|
||||
*(volatile uint32_t*)(gicv3.rdist_addrs[cpuid] + off) = val;
|
||||
}
|
||||
|
||||
static uint32_t gicr_read(uint32_t cpuid, uint32_t off)
|
||||
{
|
||||
return *(volatile uint32_t*)(gicv3.rdist_addrs[cpuid] + off);
|
||||
}
|
||||
|
||||
static void giccinit()
|
||||
{
|
||||
w_icc_igrpen1_el1(0);
|
||||
w_icc_pmr_el1(0xff);
|
||||
}
|
||||
|
||||
static void gicdinit()
|
||||
{
|
||||
gicd_write(D_CTLR, 0);
|
||||
|
||||
uint32_t typer = gicd_read(D_TYPER);
|
||||
uint32_t lines = typer & 0x1f;
|
||||
|
||||
for (int i = 0; i < lines; i++)
|
||||
gicd_write(D_IGROUPR(i), ~0);
|
||||
}
|
||||
|
||||
static void gicrinit(uint32_t cpuid)
|
||||
{
|
||||
gicr_write(cpuid, R_CTLR, 0);
|
||||
|
||||
w_icc_sre_el1(icc_sre_el1() | 1);
|
||||
|
||||
gicr_write(cpuid, R_IGROUPR0, ~0);
|
||||
gicr_write(cpuid, R_IGRPMODR0, 0);
|
||||
|
||||
uint32_t waker = gicr_read(cpuid, R_WAKER);
|
||||
gicr_write(cpuid, R_WAKER, waker & ~(1 << 1));
|
||||
while (gicr_read(cpuid, R_WAKER) & (1 << 2))
|
||||
;
|
||||
}
|
||||
|
||||
void gic_enable()
|
||||
{
|
||||
gicd_write(D_CTLR, (1 << 1));
|
||||
w_icc_igrpen1_el1(1);
|
||||
}
|
||||
|
||||
void gic_init()
|
||||
{
|
||||
gicv3.gicd = (char*)GICV3;
|
||||
for (int i = 0; i < NR_CPU; i++) {
|
||||
gicv3.rdist_addrs[i] = (char*)(GICV3_REDIST + (i) * 0x20000);
|
||||
}
|
||||
|
||||
gicdinit();
|
||||
}
|
||||
|
||||
void gicv3inithart(uint32_t cpu_id)
|
||||
{
|
||||
giccinit();
|
||||
gicrinit(cpu_id);
|
||||
|
||||
gic_enable();
|
||||
}
|
||||
|
||||
static void
|
||||
gic_enable_int(uint32_t intid)
|
||||
{
|
||||
uint32_t is = gicd_read(D_ISENABLER(intid / 32));
|
||||
is |= 1 << (intid % 32);
|
||||
gicd_write(D_ISENABLER(intid / 32), is);
|
||||
}
|
||||
|
||||
int gic_int_enabled(uint32_t intid)
|
||||
{
|
||||
uint32_t is = gicd_read(D_ISENABLER(intid / 32));
|
||||
return is & (1 << (intid % 32));
|
||||
}
|
||||
|
||||
static void
|
||||
gic_clear_pending(uint32_t intid)
|
||||
{
|
||||
uint32_t ic = gicd_read(D_ICPENDR(intid / 32));
|
||||
ic |= 1 << (intid % 32);
|
||||
gicd_write(D_ICPENDR(intid / 32), ic);
|
||||
}
|
||||
|
||||
static void
|
||||
gic_set_prio0(uint32_t intid)
|
||||
{
|
||||
// set priority to 0
|
||||
uint32_t p = gicd_read(D_IPRIORITYR(intid / 4));
|
||||
p &= ~((uint32_t)0xff << (intid % 4 * 8)); // set prio 0
|
||||
gicd_write(D_IPRIORITYR(intid / 4), p);
|
||||
}
|
||||
|
||||
static void gic_set_target(uint32_t intid, uint32_t cpuid)
|
||||
{
|
||||
uint32_t itargetsr = gicd_read(D_ITARGETSR(intid / 4));
|
||||
itargetsr &= ~((uint32_t)0xff << (intid % 4 * 8));
|
||||
gicd_write(D_ITARGETSR(intid / 4), itargetsr | ((uint32_t)(1 << cpuid) << (intid % 4 * 8)));
|
||||
}
|
||||
|
||||
static void
|
||||
gicr_enable_int(uint32_t cpuid, uint32_t intid)
|
||||
{
|
||||
uint32_t is = gicr_read(cpuid, R_ISENABLER0);
|
||||
is |= 1 << (intid % 32);
|
||||
gicr_write(cpuid, R_ISENABLER0, is);
|
||||
}
|
||||
|
||||
static void
|
||||
gicr_clear_pending(uint32_t cpuid, uint32_t intid)
|
||||
{
|
||||
uint32_t ic = gicr_read(cpuid, R_ICPENDR0);
|
||||
ic |= 1 << (intid % 32);
|
||||
gicr_write(cpuid, R_ICPENDR0, ic);
|
||||
}
|
||||
|
||||
static void
|
||||
gicr_set_prio0(uint32_t cpuid, uint32_t intid)
|
||||
{
|
||||
uint32_t p = gicr_read(cpuid, R_IPRIORITYR(intid / 4));
|
||||
p &= ~((uint32_t)0xff << (intid % 4 * 8)); // set prio 0
|
||||
gicr_write(cpuid, R_IPRIORITYR(intid / 4), p);
|
||||
}
|
||||
|
||||
void gic_setup_ppi(uint32_t cpuid, uint32_t intid)
|
||||
{
|
||||
gicr_set_prio0(cpuid, intid);
|
||||
gicr_clear_pending(cpuid, intid);
|
||||
gicr_enable_int(cpuid, intid);
|
||||
}
|
||||
|
||||
void gic_setup_spi(uint32_t cpuid, uint32_t intid)
|
||||
{
|
||||
gic_set_prio0(intid);
|
||||
gic_set_target(intid, cpuid);
|
||||
gic_clear_pending(intid);
|
||||
gic_enable_int(intid);
|
||||
}
|
||||
|
||||
// irq from iar
|
||||
int gic_iar_irq(uint32_t iar)
|
||||
{
|
||||
return iar & 0x3ff;
|
||||
}
|
||||
|
||||
// interrupt acknowledge register:
|
||||
// ask GIC what interrupt we should serve.
|
||||
uint32_t gic_iar()
|
||||
{
|
||||
return gic_read_irq_ack();
|
||||
}
|
||||
|
||||
// tell GIC we've served this IRQ.
|
||||
void gic_eoi(uint32_t iar)
|
||||
{
|
||||
gic_write_end_of_irq(iar);
|
||||
}
|
||||
|
|
@ -0,0 +1,140 @@
|
|||
/*
|
||||
* Copyright (c) 2020 AIIT XUOS Lab
|
||||
* XiUOS is licensed under Mulan PSL v2.
|
||||
* You can use this software according to the terms and conditions of the Mulan PSL v2.
|
||||
* You may obtain a copy of Mulan PSL v2 at:
|
||||
* http://license.coscl.org.cn/MulanPSL2
|
||||
* THIS SOFTWARE IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OF ANY KIND,
|
||||
* EITHER EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO NON-INFRINGEMENT,
|
||||
* MERCHANTABILITY OR FIT FOR A PARTICULAR PURPOSE.
|
||||
* See the Mulan PSL v2 for more details.
|
||||
*/
|
||||
/**
|
||||
* @file gicv3_common_opa.h
|
||||
* @brief gicv3 operation
|
||||
* @version 1.0
|
||||
* @author AIIT XUOS Lab
|
||||
* @date 2024.05.07
|
||||
*/
|
||||
/*************************************************
|
||||
File name: gicv3_common_opa.h
|
||||
Description: gicv3 operation
|
||||
Others:
|
||||
History:
|
||||
Author: AIIT XUOS Lab
|
||||
Modification:
|
||||
1. Rename file
|
||||
*************************************************/
|
||||
#pragma once
|
||||
|
||||
#include <stdbool.h>
|
||||
#include <stdint.h>
|
||||
|
||||
#include <mmio_access.h>
|
||||
|
||||
//! @name Initialization
|
||||
//@{
|
||||
//! @brief Init interrupt handling.
|
||||
//!
|
||||
//! This function is intended to be called only by the primary CPU init code, so it will
|
||||
//! only be called once during system bootup.
|
||||
//!
|
||||
//! Also inits the current CPU. You don't need to call gic_init_cpu() separately.
|
||||
//!
|
||||
//! @post The interrupt distributor and the current CPU interface are enabled. All interrupts
|
||||
//! that were pending are cleared, and all interrupts are made secure (group 0).
|
||||
void gic_init(void);
|
||||
|
||||
//! @name GIC Interrupt Distributor Functions
|
||||
//@{
|
||||
//! @brief Enable or disable the GIC Distributor.
|
||||
//!
|
||||
//! Enables or disables the GIC distributor passing both secure (group 0) and non-secure
|
||||
//! (group 1) interrupts to the CPU interfaces.
|
||||
//!
|
||||
//! @param enableIt Pass true to enable or false to disable.
|
||||
void gic_enable();
|
||||
|
||||
//! @brief Set the security mode for an interrupt.
|
||||
//!
|
||||
//! @param irqID The interrupt number.
|
||||
//! @param isSecure Whether the interrupt is taken to secure mode.
|
||||
void gic_set_irq_security(uint32_t irqID, bool isSecure);
|
||||
|
||||
//! @brief Enable or disable an interrupt.
|
||||
//!
|
||||
//! @param irqID The number of the interrupt to control.
|
||||
//! @param isEnabled Pass true to enable or false to disable.
|
||||
void gic_enable_irq(uint32_t irqID, bool isEnabled);
|
||||
|
||||
//! @brief Set whether a CPU will receive a particular interrupt.
|
||||
//!
|
||||
//! @param irqID The interrupt number.
|
||||
//! @param cpuNumber The CPU number. The first CPU core is 0.
|
||||
//! @param enableIt Whether to send the interrupt to the specified CPU. Pass true to enable
|
||||
//! or false to disable.
|
||||
void gic_set_cpu_target(uint32_t irqID, unsigned cpuNumber, bool enableIt);
|
||||
|
||||
//! @brief Set an interrupt's priority.
|
||||
//!
|
||||
//! @param irq_id The interrupt number.
|
||||
//! @param priority The priority for the interrupt. In the range of 0 through 0xff, with
|
||||
//! 0 being the highest priority.
|
||||
void gic_set_irq_priority(uint32_t irq_id, uint32_t priority);
|
||||
|
||||
void gic_setup_spi(uint32_t cpuid, uint32_t intid);
|
||||
void gic_setup_ppi(uint32_t cpuid, uint32_t intid);
|
||||
|
||||
void gicv3inithart(uint32_t cpu_id);
|
||||
//! @brief Send a software generated interrupt to a specific CPU.
|
||||
//!
|
||||
//! @param irq_id The interrupt number to send.
|
||||
//! @param target_list Each bit indicates a CPU to which the interrupt will be forwarded.
|
||||
//! Bit 0 is CPU 0, bit 1 is CPU 1, and so on. If the value is 0, then the interrupt
|
||||
//! will not be forwarded to any CPUs. This parameter is only used if @a filter_list
|
||||
//! is set to #kGicSgiFilter_UseTargetList.
|
||||
//! @param filter_list One of the enums of the #_gicd_sgi_filter enumeration. The selected
|
||||
//! option determines which CPUs the interrupt will be sent to. If the value
|
||||
//! is #kGicSgiFilter_UseTargetList, then the @a target_list parameter is used.
|
||||
void gic_send_sgi(uint32_t irq_id, uint32_t target_list, uint32_t filter_list);
|
||||
//@}
|
||||
|
||||
//! @name GIC CPU Interface Functions
|
||||
//@{
|
||||
//! @brief Enable or disable the interface to the GIC for the current CPU.
|
||||
//!
|
||||
//! @param enableIt Pass true to enable or false to disable.
|
||||
void gic_cpu_enable(bool enableIt);
|
||||
|
||||
//! @brief Set the mask of which interrupt priorities the CPU will receive.
|
||||
//!
|
||||
//! @param priority The lowest priority that will be passed to the current CPU. Pass 0xff to
|
||||
//! allow all priority interrupts to signal the CPU.
|
||||
void gic_set_cpu_priority_mask(uint32_t priority);
|
||||
|
||||
//! @brief Acknowledge starting of interrupt handling and get the interrupt number.
|
||||
//!
|
||||
//! Normally, this function is called at the beginning of the IRQ handler. It tells the GIC
|
||||
//! that you are starting to handle an interupt, and returns the number of the interrupt you
|
||||
//! need to handle. After the interrupt is handled, you should call gic_write_end_of_irq()
|
||||
//! to signal that the interrupt is completely handled.
|
||||
//!
|
||||
//! In some cases, a spurious interrupt might happen. One possibility is if another CPU handles
|
||||
//! the interrupt. When a spurious interrupt occurs, the end of the interrupt should be indicated
|
||||
//! but nothing else.
|
||||
//!
|
||||
//! @return The number for the highest priority interrupt available for the calling CPU. If
|
||||
//! the return value is 1022 or 1023, a spurious interrupt has occurred.
|
||||
uint32_t gic_read_irq_ack(void);
|
||||
|
||||
//! @brief Signal the end of handling an interrupt.
|
||||
//!
|
||||
//! @param irq_id The number of the interrupt for which handling has finished.
|
||||
void gic_write_end_of_irq(uint32_t irq_id);
|
||||
//@}
|
||||
|
||||
//! @}
|
||||
|
||||
////////////////////////////////////////////////////////////////////////////////
|
||||
// EOF
|
||||
////////////////////////////////////////////////////////////////////////////////
|
||||
|
|
@ -0,0 +1,59 @@
|
|||
/*
|
||||
*
|
||||
* Copyright (C) 2002 ARM Limited, All Rights Reserved.
|
||||
*
|
||||
* This program is free software; you can redistribute it and/or modify
|
||||
* it under the terms of the GNU General Public License version 2 as
|
||||
* published by the Free Software Foundation.
|
||||
*/
|
||||
/**
|
||||
* @file gicv3_registers.h
|
||||
* @brief gicv3 registers
|
||||
* @version 1.0
|
||||
* @author AIIT XUOS Lab
|
||||
* @date 2024.05.09
|
||||
*/
|
||||
|
||||
/*************************************************
|
||||
File name: gicv3_registers.c
|
||||
Description: gicv3 registers
|
||||
Others:
|
||||
History:
|
||||
Author: AIIT XUOS Lab
|
||||
Modification:
|
||||
1. Rename the file
|
||||
*************************************************/
|
||||
|
||||
#pragma once
|
||||
|
||||
#include "memlayout.h"
|
||||
|
||||
// clang-format off
|
||||
// interrupt controller GICv3
|
||||
#define GICV3 MMIO_P2V_WO(0x08000000ULL)
|
||||
#define GICV3_REDIST MMIO_P2V_WO(0x080a0000ULL)
|
||||
|
||||
#define D_CTLR 0x0
|
||||
#define D_TYPER 0x4
|
||||
#define D_IGROUPR(n) (0x80 + (uint64_t)(n) * 4)
|
||||
#define D_ISENABLER(n) (0x100 + (uint64_t)(n) * 4)
|
||||
#define D_ICENABLER(n) (0x180 + (uint64_t)(n) * 4)
|
||||
#define D_ISPENDR(n) (0x200 + (uint64_t)(n) * 4)
|
||||
#define D_ICPENDR(n) (0x280 + (uint64_t)(n) * 4)
|
||||
#define D_IPRIORITYR(n) (0x400 + (uint64_t)(n) * 4)
|
||||
#define D_ITARGETSR(n) (0x800 + (uint64_t)(n) * 4)
|
||||
#define D_ICFGR(n) (0xc00 + (uint64_t)(n) * 4)
|
||||
|
||||
#define R_CTLR 0x0
|
||||
#define R_WAKER 0x14
|
||||
|
||||
#define SGI_BASE 0x10000
|
||||
#define R_IGROUPR0 (SGI_BASE + 0x80)
|
||||
#define R_ISENABLER0 (SGI_BASE + 0x100)
|
||||
#define R_ICENABLER0 (SGI_BASE + 0x180)
|
||||
#define R_ICPENDR0 (SGI_BASE + 0x280)
|
||||
#define R_IPRIORITYR(n) (SGI_BASE + 0x400 + (n) * 4)
|
||||
#define R_ICFGR0 (SGI_BASE + 0xc00)
|
||||
#define R_ICFGR1 (SGI_BASE + 0xc04)
|
||||
#define R_IGRPMODR0 (SGI_BASE + 0xd00)
|
||||
// clang-format on
|
||||
|
|
@ -0,0 +1,117 @@
|
|||
/*
|
||||
* Copyright (c) 2013, Freescale Semiconductor, Inc.
|
||||
* All rights reserved.
|
||||
*
|
||||
* Redistribution and use in source and binary forms, with or without modification,
|
||||
* are permitted provided that the following conditions are met:
|
||||
*
|
||||
* o Redistributions of source code must retain the above copyright notice, this list
|
||||
* of conditions and the following disclaimer.
|
||||
*
|
||||
* o Redistributions in binary form must reproduce the above copyright notice, this
|
||||
* list of conditions and the following disclaimer in the documentation and/or
|
||||
* other materials provided with the distribution.
|
||||
*
|
||||
* o Neither the name of Freescale Semiconductor, Inc. nor the names of its
|
||||
* contributors may be used to endorse or promote products derived from this
|
||||
* software without specific prior written permission.
|
||||
*
|
||||
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
|
||||
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
|
||||
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
|
||||
* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR
|
||||
* ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
|
||||
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
|
||||
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
|
||||
* ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
|
||||
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
|
||||
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
|
||||
*/
|
||||
/*
|
||||
* Portions Copyright (c) 2011-2012 ARM Ltd. All rights reserved.
|
||||
*/
|
||||
/**
|
||||
* @file hard_spinlock.S
|
||||
* @brief spinlock implementation
|
||||
* @version 1.0
|
||||
* @author AIIT XUOS Lab
|
||||
* @date 2024.04.11
|
||||
*/
|
||||
|
||||
/*************************************************
|
||||
File name: hard_spinlock.S
|
||||
Description: spinlock implementation
|
||||
Others:
|
||||
History:
|
||||
Author: AIIT XUOS Lab
|
||||
Modification:
|
||||
*************************************************/
|
||||
|
||||
.arch armv8-a
|
||||
.section ".text","ax"
|
||||
|
||||
.global cpu_get_current
|
||||
|
||||
#define UNLOCKED 0xFF
|
||||
// int spinlock_lock(spinlock_t * lock, uint64_t timeout)
|
||||
.global _spinlock_lock
|
||||
.func _spinlock_lock
|
||||
_spinlock_lock:
|
||||
mov w2, #1
|
||||
|
||||
sevl
|
||||
wfe
|
||||
|
||||
ldaxrb w1, [x0] // check if the spinlock is currently unlocked
|
||||
cmp w1, #UNLOCKED
|
||||
bne _spinlock_lock
|
||||
|
||||
mrs x1, mpidr_el1 // get our CPU ID
|
||||
and x1, x1, #3
|
||||
stxrb w2, w1, [x0]
|
||||
cmp x2, #0
|
||||
bne _spinlock_lock // check if the write was successful, if the write failed, start over
|
||||
|
||||
dmb ish // Ensure that accesses to shared resource have completed
|
||||
|
||||
mov x0, #0
|
||||
ret
|
||||
|
||||
.endfunc
|
||||
|
||||
|
||||
// void spinlock_unlock(spinlock_t * lock)
|
||||
.global _spinlock_unlock
|
||||
.func _spinlock_unlock
|
||||
_spinlock_unlock:
|
||||
|
||||
mrs x1, mpidr_el1 // get our CPU ID
|
||||
and x1, x1, #3
|
||||
|
||||
ldr w2, [x0]
|
||||
cmp w1, w2
|
||||
bne 1f //doesn't match,jump to 1
|
||||
|
||||
|
||||
dmb ish
|
||||
|
||||
mov w1, #UNLOCKED
|
||||
str w1, [x0]
|
||||
|
||||
dsb ish //Ensure that no instructions following the barrier execute until
|
||||
// all memory accesses prior to the barrier have completed.
|
||||
|
||||
|
||||
sevl // send event to wake up other cores waiting on spinlock
|
||||
|
||||
mov x0, #0 // return success
|
||||
ret
|
||||
|
||||
1:
|
||||
mov x0, #1 //doesn't match, so exit with failure
|
||||
ret
|
||||
|
||||
.endfunc
|
||||
|
||||
.end
|
||||
|
||||
|
|
@ -0,0 +1,68 @@
|
|||
/*
|
||||
* Copyright (c) 2020 AIIT XUOS Lab
|
||||
* XiUOS is licensed under Mulan PSL v2.
|
||||
* You can use this software according to the terms and conditions of the Mulan PSL v2.
|
||||
* You may obtain a copy of Mulan PSL v2 at:
|
||||
* http://license.coscl.org.cn/MulanPSL2
|
||||
* THIS SOFTWARE IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OF ANY KIND,
|
||||
* EITHER EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO NON-INFRINGEMENT,
|
||||
* MERCHANTABILITY OR FIT FOR A PARTICULAR PURPOSE.
|
||||
* See the Mulan PSL v2 for more details.
|
||||
*/
|
||||
/**
|
||||
* @file exception_registers.h
|
||||
* @brief exception registers
|
||||
* @version 1.0
|
||||
* @author AIIT XUOS Lab
|
||||
* @date 2024.05.09
|
||||
*/
|
||||
|
||||
static inline void w_vbar_el1(uint64_t x)
|
||||
{
|
||||
__asm__ volatile("msr vbar_el1, %0" : : "r"(x));
|
||||
}
|
||||
|
||||
static inline uint64_t r_esr_el1()
|
||||
{
|
||||
uint64_t x;
|
||||
__asm__ volatile("mrs %0, esr_el1" : "=r"(x));
|
||||
return x;
|
||||
}
|
||||
|
||||
static inline void w_esr_el1(uint64_t x)
|
||||
{
|
||||
__asm__ volatile("msr esr_el1, %0" : : "r"(x));
|
||||
}
|
||||
|
||||
static inline uint64_t r_elr_el1()
|
||||
{
|
||||
uint64_t x;
|
||||
__asm__ volatile("mrs %0, elr_el1" : "=r"(x));
|
||||
return x;
|
||||
}
|
||||
|
||||
static inline uint64_t r_far_el1()
|
||||
{
|
||||
uint64_t x;
|
||||
__asm__ volatile("mrs %0, far_el1" : "=r"(x));
|
||||
return x;
|
||||
}
|
||||
|
||||
static inline uint64_t daif()
|
||||
{
|
||||
uint64_t x;
|
||||
__asm__ volatile("mrs %0, daif" : "=r"(x));
|
||||
return x;
|
||||
}
|
||||
|
||||
// enable interrupts(irq)
|
||||
static inline void intr_on()
|
||||
{
|
||||
__asm__ volatile("msr daifclr, #0xf" ::: "memory");
|
||||
}
|
||||
|
||||
// disable interrupts(irq)
|
||||
static inline void intr_off()
|
||||
{
|
||||
__asm__ volatile("msr daifset, #0xf" ::: "memory");
|
||||
}
|
||||
|
|
@ -0,0 +1,110 @@
|
|||
/**
|
||||
* @file irq_numbers.c
|
||||
* @brief irq numbers
|
||||
* @version 3.0
|
||||
* @author AIIT XUOS Lab
|
||||
* @date 2023.08.25
|
||||
*/
|
||||
|
||||
/*************************************************
|
||||
File name: irq_numbers.c
|
||||
Description: irq numbers
|
||||
Others:
|
||||
History:
|
||||
1. Date: 2023-08-28
|
||||
Author: AIIT XUOS Lab
|
||||
Modification:
|
||||
1. Add HW_NR_IRQS
|
||||
*************************************************/
|
||||
#if !defined(__IRQ_NUMBERS_H__)
|
||||
#define __IRQ_NUMBERS_H__
|
||||
|
||||
#define HW_NR_IRQS NR_OK1028_INTRS
|
||||
|
||||
////////////////////////////////////////////////////////////////////////////////
|
||||
// Definitions
|
||||
////////////////////////////////////////////////////////////////////////////////
|
||||
|
||||
//! @brief i.MX6 interrupt numbers.
|
||||
//!
|
||||
//! This enumeration lists the numbers for all of the interrupts available on the i.MX6 series.
|
||||
//! Use these numbers when specifying an interrupt to the GIC.
|
||||
//!
|
||||
//! The first 16 interrupts are special in that they are reserved for software interrupts generated
|
||||
//! by the SWI instruction.
|
||||
|
||||
enum _ls_interrupts {
|
||||
SW_INTERRUPT_0 = 0, //!< Software interrupt 0.
|
||||
SW_INTERRUPT_1 = 1, //!< Software interrupt 1.
|
||||
SW_INTERRUPT_2 = 2, //!< Software interrupt 2.
|
||||
SW_INTERRUPT_3 = 3, //!< Software interrupt 3.
|
||||
SW_INTERRUPT_4 = 4, //!< Software interrupt 4.
|
||||
SW_INTERRUPT_5 = 5, //!< Software interrupt 5.
|
||||
SW_INTERRUPT_6 = 6, //!< Software interrupt 6.
|
||||
SW_INTERRUPT_7 = 7, //!< Software interrupt 7.
|
||||
SW_INTERRUPT_8 = 8, //!< Software interrupt 8.
|
||||
SW_INTERRUPT_9 = 9, //!< Software interrupt 9.
|
||||
SW_INTERRUPT_10 = 10, //!< Software interrupt 10.
|
||||
SW_INTERRUPT_11 = 11, //!< Software interrupt 11.
|
||||
SW_INTERRUPT_12 = 12, //!< Software interrupt 12.
|
||||
SW_INTERRUPT_13 = 13, //!< Software interrupt 13.
|
||||
SW_INTERRUPT_14 = 14, //!< Software interrupt 14.
|
||||
SW_INTERRUPT_15 = 15, //!< Software interrupt 15.
|
||||
RSVD_INTERRUPT_16 = 16, //!< Reserved.
|
||||
RSVD_INTERRUPT_17 = 17, //!< Reserved.
|
||||
RSVD_INTERRUPT_18 = 18, //!< Reserved.
|
||||
RSVD_INTERRUPT_19 = 19, //!< Reserved.
|
||||
RSVD_INTERRUPT_20 = 20, //!< Reserved.
|
||||
RSVD_INTERRUPT_21 = 21, //!< Reserved.
|
||||
|
||||
LS_INT_DEBUG_CC = 22, //!<(cluster-internal) COMMIRQ - Debug communications channel
|
||||
LS_INT_PMU = 23, //!<(cluster-internal) PMUIRQ - Perfmon*
|
||||
LS_INT_CTI = 24, //!<(cluster-internal) CTIIRQ - Cross-trigger interface*
|
||||
LS_INT_VMI = 25, //!<(cluster-internal) VCPUMNTIRQ -Virtual maintenance interface*
|
||||
|
||||
LS_INT_WDOG = 28, //!< Watchdog timer
|
||||
LS_INT_SEC_PHY_TIMER = 29, //!<(cluster-internal) CNTPSIRQ - EL1 Secure physical timer event*
|
||||
LS_INT_NON_SEC_PHY_TIMER = 30, //!<(cluster-internal) CNTPNSIRQ - EL1 Non-secure physical timer event*
|
||||
RSVD_INTERRUPT_31 = 31, //!< Reserved.
|
||||
RSVD_INTERRUPT_32 = 32, //!< Reserved.
|
||||
RSVD_INTERRUPT_33 = 33, //!< Reserved.
|
||||
RSVD_INTERRUPT_34 = 34, //!< Reserved.
|
||||
RSVD_INTERRUPT_35 = 35, //!< Reserved.
|
||||
RSVD_INTERRUPT_36 = 36, //!< Reserved.
|
||||
RSVD_INTERRUPT_37 = 37, //!< Reserved.
|
||||
RSVD_INTERRUPT_38 = 38, //!< Reserved.
|
||||
RSVD_INTERRUPT_39 = 39, //!< Reserved.
|
||||
RSVD_INTERRUPT_40 = 40, //!< Reserved.
|
||||
RSVD_INTERRUPT_41 = 41, //!< Reserved.
|
||||
RSVD_INTERRUPT_42 = 42, //!< Reserved.
|
||||
|
||||
LS_INT_DUART1 = 64, // Logical OR of DUART1 interrupt requests.
|
||||
|
||||
LS_INT_I2C1_2 = 66, //!< I2C1 and I2C2 ORed
|
||||
LS_INT_I2C3_4 = 67, //!< I2C3 and I2C4 ORed
|
||||
LS_INT_GPIO1_2 = 68, //!< GPIO1 and GPIO2 ORed
|
||||
LS_INT_GPIO3 = 69, //!< GPIO3
|
||||
|
||||
LS_INT_FLETIMER1 = 76, //!< ORed all Flextimer 1 interrupt signals
|
||||
LS_INT_FLETIMER2 = 77, //!< ORed all Flextimer 2 interrupt signals
|
||||
LS_INT_FLETIMER3 = 78, //!< ORed all Flextimer 3 interrupt signals
|
||||
LS_INT_FLETIMER4 = 79, //!< ORed all Flextimer 4 interrupt signals
|
||||
|
||||
LS_INT_I2C5_6 = 106, //!< I2C5 and I2C6 ORed
|
||||
LS_INT_I2C7_8 = 107, //!< I2C7 and I2C8 ORed
|
||||
|
||||
LS_INT_USB3_1 = 112, //!< USB1 ORed INT
|
||||
LS_INT_USB3_2 = 113, //!< USB2 ORed INT
|
||||
|
||||
LS_INT_LPUART1 = 264, //!< LPUART1 interrupt request.
|
||||
LS_INT_LPUART2 = 265, //!< LPUART1 interrupt request.
|
||||
LS_INT_LPUART3 = 266, //!< LPUART1 interrupt request.
|
||||
LS_INT_LPUART4 = 267, //!< LPUART1 interrupt request.
|
||||
LS_INT_LPUART5 = 268, //!< LPUART1 interrupt request.
|
||||
LS_INT_LPUART6 = 269, //!< LPUART1 interrupt request.
|
||||
|
||||
NR_OK1028_INTRS,
|
||||
|
||||
};
|
||||
|
||||
#endif //__IRQ_NUMBERS_H__
|
||||
|
|
@ -0,0 +1,100 @@
|
|||
/*
|
||||
* Copyright (c) 2020 AIIT XUOS Lab
|
||||
* XiUOS is licensed under Mulan PSL v2.
|
||||
* You can use this software according to the terms and conditions of the Mulan PSL v2.
|
||||
* You may obtain a copy of Mulan PSL v2 at:
|
||||
* http://license.coscl.org.cn/MulanPSL2
|
||||
* THIS SOFTWARE IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OF ANY KIND,
|
||||
* EITHER EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO NON-INFRINGEMENT,
|
||||
* MERCHANTABILITY OR FIT FOR A PARTICULAR PURPOSE.
|
||||
* See the Mulan PSL v2 for more details.
|
||||
*/
|
||||
/**
|
||||
* @file trap.c
|
||||
* @brief trap interface of hardkernel
|
||||
* @version 1.0
|
||||
* @author AIIT XUOS Lab
|
||||
* @date 2023.05.06
|
||||
*/
|
||||
|
||||
/*************************************************
|
||||
File name: trap.c
|
||||
Description: trap interface of hardkernel
|
||||
Others:
|
||||
History:
|
||||
Author: AIIT XUOS Lab
|
||||
Modification:
|
||||
1. first version
|
||||
*************************************************/
|
||||
#include <stdint.h>
|
||||
|
||||
#include "assert.h"
|
||||
#include "core.h"
|
||||
#include "exception_registers.h"
|
||||
#include "multicores.h"
|
||||
#include "syscall.h"
|
||||
#include "task.h"
|
||||
|
||||
extern void dabort_handler(struct trapframe* r);
|
||||
extern void iabort_handler(struct trapframe* r);
|
||||
|
||||
void kernel_abort_handler(struct trapframe* tf)
|
||||
{
|
||||
uint64_t esr = r_esr_el1();
|
||||
switch ((esr >> 0x1A) & 0x3F) {
|
||||
case 0b100100:
|
||||
case 0b100101:
|
||||
dabort_handler(tf);
|
||||
break;
|
||||
case 0b100000:
|
||||
case 0b100001:
|
||||
iabort_handler(tf);
|
||||
break;
|
||||
default: {
|
||||
uint64_t ec = (esr >> 26) & 0x3f;
|
||||
uint64_t iss = esr & 0x1ffffff;
|
||||
ERROR("esr: %016lx %016lx %016lx\n", esr, ec, iss);
|
||||
ERROR("elr = %016lx far = %016lx\n", r_elr_el1(), r_far_el1());
|
||||
ERROR("Current Task: %s.\n", cur_cpu()->task->name);
|
||||
panic("Unimplemented Error Occured.\n");
|
||||
}
|
||||
}
|
||||
panic("Return from abort handler.\n");
|
||||
}
|
||||
|
||||
void kernel_intr_handler(struct trapframe* tf)
|
||||
{
|
||||
panic("Intr at kernel mode should never happen by design.\n");
|
||||
}
|
||||
|
||||
extern void context_switch(struct context**, struct context*);
|
||||
void syscall_arch_handler(struct trapframe* tf)
|
||||
{
|
||||
|
||||
uint64_t esr = r_esr_el1();
|
||||
uint64_t ec = (esr >> 0x1A) & 0x3F;
|
||||
w_esr_el1(0);
|
||||
switch (ec) {
|
||||
case 0B010101:
|
||||
software_irq_dispatch(tf);
|
||||
break;
|
||||
case 0b100100:
|
||||
case 0b100101:
|
||||
dabort_handler(tf);
|
||||
break;
|
||||
case 0b100000:
|
||||
case 0b100001:
|
||||
iabort_handler(tf);
|
||||
break;
|
||||
default: {
|
||||
ERROR("USYSCALL: unexpected ec: %016lx", esr);
|
||||
ERROR(" elr = %016lx far = %016lx\n", r_elr_el1(), r_far_el1());
|
||||
// kill error task
|
||||
xizi_enter_kernel();
|
||||
assert(cur_cpu()->task != NULL);
|
||||
sys_exit(cur_cpu()->task);
|
||||
context_switch(&cur_cpu()->task->thread_context.context, cur_cpu()->scheduler);
|
||||
panic("dabort end should never be reashed.\n");
|
||||
}
|
||||
}
|
||||
}
|
||||
|
|
@ -0,0 +1,137 @@
|
|||
/*
|
||||
* Copyright (c) 2020 AIIT XUOS Lab
|
||||
* XiUOS is licensed under Mulan PSL v2.
|
||||
* You can use this software according to the terms and conditions of the Mulan PSL v2.
|
||||
* You may obtain a copy of Mulan PSL v2 at:
|
||||
* http://license.coscl.org.cn/MulanPSL2
|
||||
* THIS SOFTWARE IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OF ANY KIND,
|
||||
* EITHER EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO NON-INFRINGEMENT,
|
||||
* MERCHANTABILITY OR FIT FOR A PARTICULAR PURPOSE.
|
||||
* See the Mulan PSL v2 for more details.
|
||||
*/
|
||||
/**
|
||||
* @file trap_common.c
|
||||
* @brief trap interface of hardkernel
|
||||
* @version 1.0
|
||||
* @author AIIT XUOS Lab
|
||||
* @date 2023.05.06
|
||||
*/
|
||||
|
||||
/*************************************************
|
||||
File name: trap_common.c
|
||||
Description: trap interface of hardkernel
|
||||
Others:
|
||||
History:
|
||||
Author: AIIT XUOS Lab
|
||||
Modification:
|
||||
1. first version
|
||||
*************************************************/
|
||||
#include <string.h>
|
||||
|
||||
#include "core.h"
|
||||
#include "cortex_a72.h"
|
||||
#include "exception_registers.h"
|
||||
#include "gicv3_common_opa.h"
|
||||
#include "trap_common.h"
|
||||
|
||||
#include "log.h"
|
||||
#include "multicores.h"
|
||||
|
||||
static struct XiziTrapDriver xizi_trap_driver;
|
||||
|
||||
void panic(char* s)
|
||||
{
|
||||
KPrintf("panic: %s\n", s);
|
||||
for (;;)
|
||||
;
|
||||
}
|
||||
|
||||
extern void alltraps();
|
||||
static void _sys_irq_init(int cpu_id)
|
||||
{
|
||||
// primary core init intr
|
||||
xizi_trap_driver.switch_hw_irqtbl((uintptr_t*)alltraps);
|
||||
|
||||
if (cpu_id == 0) {
|
||||
gic_init();
|
||||
}
|
||||
gicv3inithart(cpu_id);
|
||||
}
|
||||
|
||||
static void _cpu_irq_enable(void)
|
||||
{
|
||||
intr_on();
|
||||
}
|
||||
|
||||
static void _cpu_irq_disable(void)
|
||||
{
|
||||
intr_off();
|
||||
}
|
||||
|
||||
static void _single_irq_enable(int irq, int cpu, int prio)
|
||||
{
|
||||
gic_setup_ppi((uint32_t)cpu, (uint32_t)irq);
|
||||
}
|
||||
|
||||
static void _single_irq_disable(int irq, int cpu)
|
||||
{
|
||||
return;
|
||||
}
|
||||
|
||||
static inline uintptr_t* _switch_hw_irqtbl(uintptr_t* new_tbl_base)
|
||||
{
|
||||
w_vbar_el1((uint64_t)new_tbl_base);
|
||||
|
||||
return NULL;
|
||||
}
|
||||
|
||||
static void _bind_irq_handler(int irq, irq_handler_t handler)
|
||||
{
|
||||
xizi_trap_driver.sw_irqtbl[irq].handler = handler;
|
||||
}
|
||||
|
||||
static uint32_t _hw_before_irq()
|
||||
{
|
||||
|
||||
uint32_t iar = gic_read_irq_ack();
|
||||
return iar;
|
||||
}
|
||||
|
||||
static uint32_t _hw_cur_int_num(uint32_t int_info)
|
||||
{
|
||||
return int_info & 0x3FF;
|
||||
}
|
||||
|
||||
static void _hw_after_irq(uint32_t int_info)
|
||||
{
|
||||
gic_write_end_of_irq(int_info);
|
||||
}
|
||||
|
||||
int _cur_cpu_id()
|
||||
{
|
||||
return cpu_get_current();
|
||||
}
|
||||
|
||||
static struct XiziTrapDriver xizi_trap_driver = {
|
||||
.sys_irq_init = _sys_irq_init,
|
||||
.cur_cpu_id = _cur_cpu_id,
|
||||
|
||||
.cpu_irq_enable = _cpu_irq_enable,
|
||||
.cpu_irq_disable = _cpu_irq_disable,
|
||||
.single_irq_enable = _single_irq_enable,
|
||||
.single_irq_disable = _single_irq_disable,
|
||||
.switch_hw_irqtbl = _switch_hw_irqtbl,
|
||||
|
||||
.bind_irq_handler = _bind_irq_handler,
|
||||
|
||||
.hw_before_irq = _hw_before_irq,
|
||||
.hw_cur_int_num = _hw_cur_int_num,
|
||||
.hw_after_irq = _hw_after_irq,
|
||||
};
|
||||
|
||||
struct XiziTrapDriver* hardkernel_intr_init(struct TraceTag* hardkernel_tag)
|
||||
{
|
||||
xizi_trap_driver.sys_irq_init(0);
|
||||
xizi_trap_driver.cpu_irq_disable();
|
||||
return &xizi_trap_driver;
|
||||
}
|
||||
|
|
@ -0,0 +1,225 @@
|
|||
/*
|
||||
* Copyright (c) 2020 AIIT XUOS Lab
|
||||
* XiUOS is licensed under Mulan PSL v2.
|
||||
* You can use this software according to the terms and conditions of the Mulan PSL v2.
|
||||
* You may obtain a copy of Mulan PSL v2 at:
|
||||
* http://license.coscl.org.cn/MulanPSL2
|
||||
* THIS SOFTWARE IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OF ANY KIND,
|
||||
* EITHER EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO NON-INFRINGEMENT,
|
||||
* MERCHANTABILITY OR FIT FOR A PARTICULAR PURPOSE.
|
||||
* See the Mulan PSL v2 for more details.
|
||||
*/
|
||||
/**
|
||||
* @file trampoline.S
|
||||
* @brief trap in and out code
|
||||
* @version 1.0
|
||||
* @author AIIT XUOS Lab
|
||||
* @date 2024-04-22
|
||||
*/
|
||||
|
||||
/*************************************************
|
||||
File name: trampoline.S
|
||||
Description: trap in and out code
|
||||
Others:
|
||||
History:
|
||||
1. Date: 2024-04-22
|
||||
Author: AIIT XUOS Lab
|
||||
Modification:
|
||||
1. first version
|
||||
*************************************************/
|
||||
|
||||
#include "memlayout.h"
|
||||
|
||||
#include "core.h"
|
||||
|
||||
.macro savereg
|
||||
// make room to save registers.
|
||||
sub sp, sp, #272
|
||||
|
||||
// save the registers.
|
||||
stp x0, x1, [sp, #16 * 0]
|
||||
stp x2, x3, [sp, #16 * 1]
|
||||
stp x4, x5, [sp, #16 * 2]
|
||||
stp x6, x7, [sp, #16 * 3]
|
||||
stp x8, x9, [sp, #16 * 4]
|
||||
stp x10, x11, [sp, #16 * 5]
|
||||
stp x12, x13, [sp, #16 * 6]
|
||||
stp x14, x15, [sp, #16 * 7]
|
||||
stp x16, x17, [sp, #16 * 8]
|
||||
stp x18, x19, [sp, #16 * 9]
|
||||
stp x20, x21, [sp, #16 * 10]
|
||||
stp x22, x23, [sp, #16 * 11]
|
||||
stp x24, x25, [sp, #16 * 12]
|
||||
stp x26, x27, [sp, #16 * 13]
|
||||
stp x28, x29, [sp, #16 * 14]
|
||||
mrs x9, elr_el1
|
||||
mrs x10, spsr_el1
|
||||
add x11, sp, #272
|
||||
stp x30, x9, [sp, #16 * 15]
|
||||
stp x10, x11, [sp, #16 * 16]
|
||||
.endm
|
||||
|
||||
.macro restorereg
|
||||
ldp x30, x9, [sp, #16 * 15]
|
||||
ldp x10, x11, [sp, #16 * 16]
|
||||
|
||||
msr elr_el1, x9
|
||||
msr spsr_el1, x10
|
||||
|
||||
ldp x0, x1, [sp, #16 * 0]
|
||||
ldp x2, x3, [sp, #16 * 1]
|
||||
ldp x4, x5, [sp, #16 * 2]
|
||||
ldp x6, x7, [sp, #16 * 3]
|
||||
ldp x8, x9, [sp, #16 * 4]
|
||||
ldp x10, x11, [sp, #16 * 5]
|
||||
ldp x12, x13, [sp, #16 * 6]
|
||||
ldp x14, x15, [sp, #16 * 7]
|
||||
ldp x16, x17, [sp, #16 * 8]
|
||||
ldp x18, x19, [sp, #16 * 9]
|
||||
ldp x20, x21, [sp, #16 * 10]
|
||||
ldp x22, x23, [sp, #16 * 11]
|
||||
ldp x24, x25, [sp, #16 * 12]
|
||||
ldp x26, x27, [sp, #16 * 13]
|
||||
ldp x28, x29, [sp, #16 * 14]
|
||||
add sp, sp, #272
|
||||
.endm
|
||||
|
||||
.macro usavereg
|
||||
sub sp, sp, #272
|
||||
|
||||
stp x0, x1, [sp, #16 * 0]
|
||||
stp x2, x3, [sp, #16 * 1]
|
||||
stp x4, x5, [sp, #16 * 2]
|
||||
stp x6, x7, [sp, #16 * 3]
|
||||
stp x8, x9, [sp, #16 * 4]
|
||||
stp x10, x11, [sp, #16 * 5]
|
||||
stp x12, x13, [sp, #16 * 6]
|
||||
stp x14, x15, [sp, #16 * 7]
|
||||
stp x16, x17, [sp, #16 * 8]
|
||||
stp x18, x19, [sp, #16 * 9]
|
||||
stp x20, x21, [sp, #16 * 10]
|
||||
stp x22, x23, [sp, #16 * 11]
|
||||
stp x24, x25, [sp, #16 * 12]
|
||||
stp x26, x27, [sp, #16 * 13]
|
||||
stp x28, x29, [sp, #16 * 14]
|
||||
|
||||
mrs x9, elr_el1
|
||||
mrs x10, spsr_el1
|
||||
mrs x11, sp_el0
|
||||
|
||||
stp x30, x9, [sp, #16 * 15]
|
||||
stp x10, x11, [sp, #16 * 16]
|
||||
.endm
|
||||
|
||||
.macro urestorereg
|
||||
ldp x30, x9, [sp, #16 * 15]
|
||||
ldp x10, x11, [sp, #16 * 16]
|
||||
|
||||
msr elr_el1, x9
|
||||
msr spsr_el1, x10
|
||||
msr sp_el0, x11
|
||||
|
||||
ldp x0, x1, [sp, #16 * 0]
|
||||
ldp x2, x3, [sp, #16 * 1]
|
||||
ldp x4, x5, [sp, #16 * 2]
|
||||
ldp x6, x7, [sp, #16 * 3]
|
||||
ldp x8, x9, [sp, #16 * 4]
|
||||
ldp x10, x11, [sp, #16 * 5]
|
||||
ldp x12, x13, [sp, #16 * 6]
|
||||
ldp x14, x15, [sp, #16 * 7]
|
||||
ldp x16, x17, [sp, #16 * 8]
|
||||
ldp x18, x19, [sp, #16 * 9]
|
||||
ldp x20, x21, [sp, #16 * 10]
|
||||
ldp x22, x23, [sp, #16 * 11]
|
||||
ldp x24, x25, [sp, #16 * 12]
|
||||
ldp x26, x27, [sp, #16 * 13]
|
||||
ldp x28, x29, [sp, #16 * 14]
|
||||
|
||||
add sp, sp, #272
|
||||
.endm
|
||||
|
||||
|
||||
.global alltraps
|
||||
.balign 0x800
|
||||
alltraps:
|
||||
// Current EL with sp0
|
||||
b .
|
||||
.balign 0x80
|
||||
b .
|
||||
.balign 0x80
|
||||
b .
|
||||
.balign 0x80
|
||||
b .
|
||||
|
||||
// Current EL with spx
|
||||
.balign 0x80
|
||||
b el1sync
|
||||
.balign 0x80
|
||||
b el1irq
|
||||
.balign 0x80
|
||||
b .
|
||||
.balign 0x80
|
||||
b .
|
||||
|
||||
// Lower EL using aarch64
|
||||
.balign 0x80
|
||||
b el0sync
|
||||
.balign 0x80
|
||||
b el0irq
|
||||
.balign 0x80
|
||||
b .
|
||||
.balign 0x80
|
||||
b .
|
||||
|
||||
// Lower EL using aarch32
|
||||
.balign 0x80
|
||||
b .
|
||||
.balign 0x80
|
||||
b .
|
||||
.balign 0x80
|
||||
b .
|
||||
.balign 0x80
|
||||
b .
|
||||
|
||||
el1sync:
|
||||
msr daifset, #0xf
|
||||
savereg
|
||||
|
||||
mov x0, sp
|
||||
bl kernel_abort_handler
|
||||
b .
|
||||
|
||||
el1irq:
|
||||
msr daifset, #0xf
|
||||
usavereg
|
||||
|
||||
mov x0, sp
|
||||
bl intr_irq_dispatch
|
||||
|
||||
urestorereg
|
||||
|
||||
eret
|
||||
|
||||
el0sync:
|
||||
msr daifset, #0xf
|
||||
usavereg
|
||||
|
||||
mov x0, sp
|
||||
bl syscall_arch_handler
|
||||
|
||||
urestorereg
|
||||
|
||||
eret
|
||||
|
||||
el0irq:
|
||||
msr daifset, #0xf
|
||||
usavereg
|
||||
|
||||
mov x0, sp
|
||||
bl intr_irq_dispatch
|
||||
|
||||
.global trap_return
|
||||
trap_return:
|
||||
urestorereg
|
||||
|
||||
eret
|
||||
|
|
@ -59,7 +59,7 @@ __attribute__((optimize("O0"))) void spinlock_init(struct spinlock* lock, char*
|
|||
}
|
||||
|
||||
extern int _spinlock_lock(struct spinlock* lock, uint32_t timeout);
|
||||
void _spinlock_unlock(struct spinlock* lock);
|
||||
extern void _spinlock_unlock(struct spinlock* lock);
|
||||
|
||||
__attribute__((optimize("O0"))) void spinlock_lock(struct spinlock* lock)
|
||||
{
|
||||
|
|
|
|||
|
|
@ -32,12 +32,11 @@ Modification:
|
|||
#include <stdbool.h>
|
||||
#include <stdint.h>
|
||||
|
||||
#include "actracer.h"
|
||||
#include "core.h"
|
||||
#include "irq_numbers.h"
|
||||
#include "memlayout.h"
|
||||
|
||||
#include "actracer.h"
|
||||
|
||||
#define NR_IRQS HW_NR_IRQS
|
||||
#define NR_MODE_STACKS 4
|
||||
|
||||
|
|
@ -65,7 +64,7 @@ struct XiziTrapDriver {
|
|||
void (*single_irq_enable)(int irq, int cpu, int prio);
|
||||
void (*single_irq_disable)(int irq, int cpu);
|
||||
|
||||
uint32_t* (*switch_hw_irqtbl)(uint32_t*);
|
||||
uintptr_t* (*switch_hw_irqtbl)(uintptr_t*);
|
||||
void (*bind_irq_handler)(int, irq_handler_t);
|
||||
|
||||
/* check if no if interruptable */
|
||||
|
|
|
|||
|
|
@ -1,4 +1,10 @@
|
|||
ifneq ($(findstring $(BOARD), ok1028a-c), )
|
||||
SRC_DIR := armv8-a
|
||||
endif
|
||||
ifneq ($(findstring $(BOARD), imx6q-sabrelite zynq7000-zc702), )
|
||||
SRC_DIR := armv7-a
|
||||
endif
|
||||
|
||||
|
||||
include $(KERNEL_ROOT)/compiler.mk
|
||||
|
||||
|
|
|
|||
|
|
@ -0,0 +1,3 @@
|
|||
SRC_DIR := cortex-a72
|
||||
|
||||
include $(KERNEL_ROOT)/compiler.mk
|
||||
|
|
@ -0,0 +1,3 @@
|
|||
SRC_FILES := bootmmu.c mmu.c pagetable_attr.c
|
||||
|
||||
include $(KERNEL_ROOT)/compiler.mk
|
||||
|
|
@ -0,0 +1,139 @@
|
|||
/*
|
||||
* Copyright (c) 2020 AIIT XUOS Lab
|
||||
* XiUOS is licensed under Mulan PSL v2.
|
||||
* You can use this software according to the terms and conditions of the Mulan PSL v2.
|
||||
* You may obtain a copy of Mulan PSL v2 at:
|
||||
* http://license.coscl.org.cn/MulanPSL2
|
||||
* THIS SOFTWARE IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OF ANY KIND,
|
||||
* EITHER EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO NON-INFRINGEMENT,
|
||||
* MERCHANTABILITY OR FIT FOR A PARTICULAR PURPOSE.
|
||||
* See the Mulan PSL v2 for more details.
|
||||
*/
|
||||
/**
|
||||
* @file bootmmu.c
|
||||
* @brief build pagetable and enable mmu in boot time
|
||||
* @version 1.0
|
||||
* @author AIIT XUOS Lab
|
||||
* @date 2024.04.26
|
||||
*/
|
||||
|
||||
/*************************************************
|
||||
File name: bootmmu.c
|
||||
Description: build pagetable and enable mmu in boot time
|
||||
Others:
|
||||
History:
|
||||
Author: AIIT XUOS Lab
|
||||
Modification:
|
||||
1. first version
|
||||
*************************************************/
|
||||
#include "core.h"
|
||||
#include "memlayout.h"
|
||||
#include "mmio_access.h"
|
||||
#include "mmu.h"
|
||||
#include "pagetable.h"
|
||||
#include "registers.h"
|
||||
|
||||
#include <stdint.h>
|
||||
#include <string.h>
|
||||
|
||||
extern uint64_t kernel_data_end[];
|
||||
extern uint64_t kernel_data_begin[];
|
||||
|
||||
// clang-format off
|
||||
#define L2_TYPE_TAB 2
|
||||
#define L2_PTE_VALID 1
|
||||
|
||||
#define L3_TYPE_TAB 2
|
||||
#define L3_PTE_VALID 1
|
||||
|
||||
#define L4_TYPE_PAGE (3 << 0)
|
||||
#define L4_PTE_DEV ((0b00) << 2) // Device memory
|
||||
#define L4_PTE_NORMAL ((0b01) << 2) // Device memory
|
||||
#define L4_PTE_AF (1 << 10) // Data Access Permissions
|
||||
|
||||
#define L4_PTE_PXN (1UL << 53) // Privileged eXecute Never
|
||||
#define L4_PTE_UXN (1UL << 54) // Unprivileged(user) eXecute Never
|
||||
#define L4_PTE_XN (PTE_PXN|PTE_UXN) // eXecute Never
|
||||
|
||||
#define IDX_MASK (0b111111111)
|
||||
#define L3_PDE_INDEX(idx) ((idx << LEVEL3_PDE_SHIFT) & L3_IDX_MASK)
|
||||
// clang-format on
|
||||
|
||||
uint64_t boot_l2pgdir[NUM_LEVEL2_PDE] __attribute__((aligned(0x1000))) = { 0 };
|
||||
|
||||
uint64_t boot_dev_l3pgdir[NUM_LEVEL3_PDE] __attribute__((aligned(0x1000))) = { 0 };
|
||||
uint64_t boot_virt_dev_l3pgdir[NUM_LEVEL3_PDE] __attribute__((aligned(0x1000))) = { 0 };
|
||||
uint64_t boot_kern_l3pgdir[NUM_LEVEL3_PDE] __attribute__((aligned(0x1000))) = { 0 };
|
||||
uint64_t boot_virt_kern_l3pgdir[NUM_LEVEL3_PDE] __attribute__((aligned(0x1000))) = { 0 };
|
||||
|
||||
uint64_t boot_dev_l4pgdirs[NUM_LEVEL3_PDE][NUM_LEVEL4_PTE] __attribute__((aligned(0x1000))) = { 0 };
|
||||
uint64_t boot_kern_l4pgdirs[NUM_LEVEL3_PDE][NUM_LEVEL4_PTE] __attribute__((aligned(0x1000))) = { 0 };
|
||||
|
||||
static void build_boot_pgdir()
|
||||
{
|
||||
uint64_t dev_phy_mem_base = DEV_PHYMEM_BASE;
|
||||
// dev mem
|
||||
boot_l2pgdir[(dev_phy_mem_base >> LEVEL2_PDE_SHIFT) & IDX_MASK] = (uint64_t)boot_dev_l3pgdir | L2_TYPE_TAB | L2_PTE_VALID;
|
||||
boot_l2pgdir[(MMIO_P2V_WO(dev_phy_mem_base) >> LEVEL2_PDE_SHIFT) & IDX_MASK] = (uint64_t)boot_dev_l3pgdir | L2_TYPE_TAB | L2_PTE_VALID;
|
||||
|
||||
uint64_t cur_mem_paddr = ALIGNDOWN((uint64_t)DEV_PHYMEM_BASE, PAGE_SIZE);
|
||||
for (size_t i = 0; i < NUM_LEVEL3_PDE; i++) {
|
||||
boot_dev_l3pgdir[i] = (uint64_t)boot_dev_l4pgdirs[i] | L3_TYPE_TAB | L3_PTE_VALID;
|
||||
|
||||
for (size_t j = 0; j < NUM_LEVEL4_PTE; j++) {
|
||||
boot_dev_l4pgdirs[i][j] = cur_mem_paddr | L4_TYPE_PAGE | L4_PTE_DEV | L4_PTE_AF | L4_PTE_XN;
|
||||
|
||||
cur_mem_paddr += PAGE_SIZE;
|
||||
}
|
||||
}
|
||||
|
||||
// identical mem
|
||||
boot_l2pgdir[(PHY_MEM_BASE >> LEVEL2_PDE_SHIFT) & IDX_MASK] = (uint64_t)boot_kern_l3pgdir | L2_TYPE_TAB | L2_PTE_VALID;
|
||||
boot_l2pgdir[(P2V_WO(PHY_MEM_BASE) >> LEVEL2_PDE_SHIFT) & IDX_MASK] = (uint64_t)boot_kern_l3pgdir | L2_TYPE_TAB | L2_PTE_VALID;
|
||||
|
||||
cur_mem_paddr = ALIGNDOWN((uint64_t)PHY_MEM_BASE, PAGE_SIZE);
|
||||
for (size_t i = 0; i < NUM_LEVEL3_PDE; i++) {
|
||||
boot_kern_l3pgdir[i] = (uint64_t)boot_kern_l4pgdirs[i] | L3_TYPE_TAB | L3_PTE_VALID;
|
||||
|
||||
for (size_t j = 0; j < NUM_LEVEL4_PTE; j++) {
|
||||
boot_kern_l4pgdirs[i][j] = cur_mem_paddr | L4_TYPE_PAGE | L4_PTE_NORMAL | L4_PTE_AF;
|
||||
|
||||
cur_mem_paddr += PAGE_SIZE;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
static void load_boot_pgdir()
|
||||
{
|
||||
uint64_t val;
|
||||
|
||||
TTBR0_W((uintptr_t)boot_l2pgdir);
|
||||
TTBR1_W(0);
|
||||
|
||||
TCR_W(TCR_VALUE);
|
||||
MAIR_W((MT_DEVICE_nGnRnE << (8 * AI_DEVICE_nGnRnE_IDX)) | (MT_NORMAL_NC << (8 * AI_NORMAL_NC_IDX)));
|
||||
|
||||
// Enable paging using read/modify/write
|
||||
SCTLR_R(val);
|
||||
val |= (1 << 0); // EL1 and EL0 stage 1 address translation enabled.
|
||||
SCTLR_W(val);
|
||||
|
||||
// flush all TLB
|
||||
DSB();
|
||||
CLEARTLB(0);
|
||||
ISB();
|
||||
}
|
||||
|
||||
extern void main(void);
|
||||
static bool _bss_inited = false;
|
||||
void bootmain()
|
||||
{
|
||||
build_boot_pgdir();
|
||||
load_boot_pgdir();
|
||||
__asm__ __volatile__("add sp, sp, %0" ::"r"(KERN_MEM_BASE - PHY_MEM_BASE));
|
||||
if (!_bss_inited) {
|
||||
memset(&kernel_data_begin, 0x00, (size_t)((uint64_t)kernel_data_end - (uint64_t)kernel_data_begin));
|
||||
_bss_inited = true;
|
||||
}
|
||||
main();
|
||||
}
|
||||
|
|
@ -0,0 +1,105 @@
|
|||
/*
|
||||
* Copyright (c) 2020 AIIT XUOS Lab
|
||||
* XiUOS is licensed under Mulan PSL v2.
|
||||
* You can use this software according to the terms and conditions of the Mulan PSL v2.
|
||||
* You may obtain a copy of Mulan PSL v2 at:
|
||||
* http://license.coscl.org.cn/MulanPSL2
|
||||
* THIS SOFTWARE IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OF ANY KIND,
|
||||
* EITHER EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO NON-INFRINGEMENT,
|
||||
* MERCHANTABILITY OR FIT FOR A PARTICULAR PURPOSE.
|
||||
* See the Mulan PSL v2 for more details.
|
||||
*/
|
||||
|
||||
/**
|
||||
* @file mmu.h
|
||||
* @brief mmu related configure and registers
|
||||
* @version 1.0
|
||||
* @author AIIT XUOS Lab
|
||||
* @date 2024-04-26
|
||||
*/
|
||||
/*************************************************
|
||||
File name: mmu.h
|
||||
Description: mmu related configure and registers
|
||||
Others:
|
||||
History:
|
||||
Author: AIIT XUOS Lab
|
||||
Modification:
|
||||
1. first version
|
||||
*************************************************/
|
||||
#pragma once
|
||||
|
||||
#include <stdint.h>
|
||||
|
||||
#include "memlayout.h"
|
||||
|
||||
// #define TCR_SH1_INNER (0b11 << 28)
|
||||
// #define TCR_ORGN1_IRGN1_WRITEBACK_WRITEALLOC ((0b01 << 26) | (0b01 << 24))
|
||||
// #define TCR_SH0_INNER (0b11 << 12)
|
||||
// #define TCR_ORGN0_IRGN0_WRITEBACK_WRITEALLOC ((0b01 << 10) | (0b01 << 8))
|
||||
#define TCR_IPS (0 << 0)
|
||||
#define TCR_TG1_4K (0b10 << 30)
|
||||
#define TCR_TOSZ (0b11001 << 0)
|
||||
#define TCR_T1SZ (0b11001 << 16)
|
||||
#define TCR_TG0_4K (0 << 14)
|
||||
|
||||
#define TCR_VALUE \
|
||||
(TCR_IPS | TCR_TG1_4K | TCR_TG0_4K | TCR_TOSZ | TCR_T1SZ)
|
||||
|
||||
enum AccessPermission {
|
||||
AccessPermission_NoAccess = 0,
|
||||
AccessPermission_KernelOnly = 1, // EL1
|
||||
AccessPermission_Reserved = 2,
|
||||
AccessPermission_KernelUser = 3, // EL1&EL0
|
||||
};
|
||||
|
||||
void GetDevPteAttr(uintptr_t* attr);
|
||||
void GetUsrPteAttr(uintptr_t* attr);
|
||||
void GetUsrDevPteAttr(uintptr_t* attr);
|
||||
void GetKernPteAttr(uintptr_t* attr);
|
||||
void GetPdeAttr(uintptr_t* attr);
|
||||
|
||||
/*
|
||||
Enable MMU, cache, write buffer, etc.
|
||||
*/
|
||||
#define SCTLR_R(val) __asm__ volatile("mrs %0, sctlr_el1" : "=r"(val))
|
||||
#define SCTLR_W(val) __asm__ volatile("msr sctlr_el1, %0" ::"r"(val))
|
||||
|
||||
/*
|
||||
Read and write mmu pagetable register base addr
|
||||
*/
|
||||
#define TTBR0_R(val) __asm__ volatile("mrs %0, ttbr0_el1" : "=r"(val))
|
||||
#define TTBR0_W(val) __asm__ volatile("msr ttbr0_el1, %0" ::"r"(val))
|
||||
|
||||
/*
|
||||
Read and write mmu pagetable register base addr
|
||||
*/
|
||||
#define TTBR1_R(val) __asm__ volatile("mrs %0, ttbr1_el1" : "=r"(val))
|
||||
#define TTBR1_W(val) __asm__ volatile("msr ttbr1_el1, %0" ::"r"(val))
|
||||
|
||||
/*
|
||||
Translation Control Register（TCR）
|
||||
*/
|
||||
#define TCR_R(val) __asm__ volatile("mrs %0, tcr_el1" : "=r"(val))
|
||||
#define TCR_W(val) __asm__ volatile("msr tcr_el1, %0" ::"r"(val))
|
||||
|
||||
#define MAIR_R(val) __asm__ volatile("mrs %0, mair_el1" : "=r"(val))
|
||||
#define MAIR_W(val) __asm__ volatile("msr mair_el1, %0" ::"r"(val))
|
||||
|
||||
/*
|
||||
Flush TLB when loading a new page table.
|
||||
@note If nG is not set in the pte attribute, process switching need flush tlb.
|
||||
*/
|
||||
#define CLEARTLB(val) __asm__ volatile("tlbi vmalle1")
|
||||
|
||||
/*
|
||||
When nG is set in the pte attribute, the process is assigned an ASID, which is stored in the lower 8 bits of the CONTEXTIDR register.
|
||||
When the process switches, the flush TLB is no longer required anymore.
|
||||
*/
|
||||
#define CONTEXTIDR_R(val) __asm__ volatile("mrs %0, contextidr_el1" : "=r"(val))
|
||||
#define CONTEXTIDR_W(val) __asm__ volatile("msr contextidr_el1, %0" ::"r"(val))
|
||||
|
||||
#ifndef __ASSEMBLER__
|
||||
#include <stdint.h>
|
||||
__attribute__((always_inline)) static inline uint64_t v2p(void* a) { return ((uint64_t)(a)) - KERN_MEM_BASE; }
|
||||
__attribute__((always_inline)) static inline void* p2v(uint64_t a) { return (void*)((a) + KERN_MEM_BASE); }
|
||||
#endif
|
||||
|
|
@ -0,0 +1,91 @@
|
|||
/*
|
||||
* Copyright (c) 2020 AIIT XUOS Lab
|
||||
* XiUOS is licensed under Mulan PSL v2.
|
||||
* You can use this software according to the terms and conditions of the Mulan PSL v2.
|
||||
* You may obtain a copy of Mulan PSL v2 at:
|
||||
* http://license.coscl.org.cn/MulanPSL2
|
||||
* THIS SOFTWARE IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OF ANY KIND,
|
||||
* EITHER EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO NON-INFRINGEMENT,
|
||||
* MERCHANTABILITY OR FIT FOR A PARTICULAR PURPOSE.
|
||||
* See the Mulan PSL v2 for more details.
|
||||
*/
|
||||
/**
|
||||
* @file mmu.c
|
||||
* @brief mmu operations
|
||||
* @version 1.0
|
||||
* @author AIIT XUOS Lab
|
||||
* @date 2024.04.26
|
||||
*/
|
||||
|
||||
/*************************************************
|
||||
File name: mmu.c
|
||||
Description: mmu operations
|
||||
Others:
|
||||
History:
|
||||
Author: AIIT XUOS Lab
|
||||
Modification:
|
||||
1. first version
|
||||
*************************************************/
|
||||
|
||||
#include <string.h>
|
||||
|
||||
#include "mmu.h"
|
||||
|
||||
#include "cache_common_ope.h"
|
||||
#include "mmu_common.h"
|
||||
#include "trap_common.h"
|
||||
|
||||
// extern struct MmuCommonDone mmu_common_done;
|
||||
static struct MmuDriverRightGroup right_group;
|
||||
|
||||
void load_pgdir(uintptr_t pgdir_paddr)
|
||||
{
|
||||
/* get cache driver */
|
||||
struct ICacheDone* p_icache_done = AchieveResource(&right_group.icache_driver_tag);
|
||||
struct DCacheDone* p_dcache_done = AchieveResource(&right_group.dcache_driver_tag);
|
||||
|
||||
TTBR0_W((uint64_t)pgdir_paddr);
|
||||
CLEARTLB(0);
|
||||
p_icache_done->invalidateall();
|
||||
p_dcache_done->flushall();
|
||||
}
|
||||
|
||||
__attribute__((always_inline)) inline static void _tlb_flush(uintptr_t va)
|
||||
{
|
||||
__asm__ volatile("tlbi vae1is, %0" ::"r"(va));
|
||||
}
|
||||
|
||||
static void tlb_flush_range(uintptr_t vstart, int len)
|
||||
{
|
||||
uintptr_t vaddr = vstart;
|
||||
uintptr_t vend = vaddr + len;
|
||||
for (; vaddr < vend; vaddr += PAGE_SIZE) {
|
||||
_tlb_flush(vaddr);
|
||||
}
|
||||
}
|
||||
|
||||
static void tlb_flush_all()
|
||||
{
|
||||
CLEARTLB(0);
|
||||
}
|
||||
|
||||
static struct MmuCommonDone mmu_common_done = {
|
||||
.MmuDevPteAttr = GetDevPteAttr,
|
||||
.MmuPdeAttr = GetPdeAttr,
|
||||
.MmuUsrPteAttr = GetUsrPteAttr,
|
||||
.MmuUsrDevPteAttr = GetUsrDevPteAttr,
|
||||
.MmuKernPteAttr = GetKernPteAttr,
|
||||
|
||||
.LoadPgdir = load_pgdir,
|
||||
.TlbFlushAll = tlb_flush_all,
|
||||
.TlbFlush = tlb_flush_range,
|
||||
};
|
||||
|
||||
struct MmuCommonDone* hardkernel_mmu_init(struct TraceTag* hardkernel_tag, char* icache_name, char* dcache_name)
|
||||
{
|
||||
/* init right group for mmu driver */
|
||||
AchieveResourceTag(&right_group.icache_driver_tag, hardkernel_tag, icache_name);
|
||||
AchieveResourceTag(&right_group.dcache_driver_tag, hardkernel_tag, dcache_name);
|
||||
|
||||
return &mmu_common_done;
|
||||
}
|
||||
|
|
@ -0,0 +1,85 @@
|
|||
/*
|
||||
* Copyright (c) 2020 AIIT XUOS Lab
|
||||
* XiUOS is licensed under Mulan PSL v2.
|
||||
* You can use this software according to the terms and conditions of the Mulan PSL v2.
|
||||
* You may obtain a copy of Mulan PSL v2 at:
|
||||
* http://license.coscl.org.cn/MulanPSL2
|
||||
* THIS SOFTWARE IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OF ANY KIND,
|
||||
* EITHER EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO NON-INFRINGEMENT,
|
||||
* MERCHANTABILITY OR FIT FOR A PARTICULAR PURPOSE.
|
||||
* See the Mulan PSL v2 for more details.
|
||||
*/
|
||||
|
||||
/**
|
||||
* @file memlayout.h
|
||||
* @brief virtual memory and physical memory layout
|
||||
* @version 1.0
|
||||
* @author AIIT XUOS Lab
|
||||
* @date 2024-04-25
|
||||
*/
|
||||
/*************************************************
|
||||
File name: memlayout.h
|
||||
Description: virtual memory and physical memory layout
|
||||
Others:
|
||||
History:
|
||||
Author: AIIT XUOS Lab
|
||||
Modification:
|
||||
1. first version
|
||||
*************************************************/
|
||||
#pragma once
|
||||
|
||||
// Memory layout
|
||||
// clang-format off
|
||||
|
||||
#define ARCH_BIT 64
|
||||
|
||||
/* A72 physical memory layout */
|
||||
#define PHY_MEM_BASE (0x0000000040000000ULL)
|
||||
#define PHY_USER_FREEMEM_BASE (0x0000000046000000ULL)
|
||||
#define PHY_USER_FREEMEM_TOP (0x0000000048000000ULL)
|
||||
#define PHY_MEM_STOP (0x0000000048000000ULL)
|
||||
|
||||
/* PTE-PAGE_SIZE */
|
||||
#define LEVEL4_PTE_SHIFT 12
|
||||
#define LEVEL4_PTE_SIZE (1 << LEVEL4_PTE_SHIFT)
|
||||
|
||||
/* PDE-SECTION_SIZE */
|
||||
#define LEVEL3_PDE_SHIFT 21
|
||||
#define LEVEL3_PDE_SIZE (1 << LEVEL3_PDE_SHIFT)
|
||||
|
||||
#define LEVEL2_PDE_SHIFT 30
|
||||
#define LEVEL2_PDE_SIZE (1 << LEVEL2_PDE_SHIFT)
|
||||
|
||||
#define LEVEL1_PTE_SHIFT 39
|
||||
|
||||
#define NUM_LEVEL2_PDE (1 << (LEVEL1_PTE_SHIFT - LEVEL2_PDE_SHIFT))
|
||||
#define NUM_LEVEL3_PDE (1 << (LEVEL2_PDE_SHIFT - LEVEL3_PDE_SHIFT)) // how many PDE in a PT
|
||||
#define NUM_LEVEL4_PTE (1 << (LEVEL3_PDE_SHIFT - LEVEL4_PTE_SHIFT)) // how many PTE in a PT
|
||||
#define NUM_TOPLEVEL_PDE NUM_LEVEL2_PDE
|
||||
|
||||
#define PAGE_SIZE LEVEL4_PTE_SIZE
|
||||
#define MAX_NR_FREE_PAGES ((PHY_MEM_STOP - PHY_MEM_BASE) >> LEVEL4_PTE_SHIFT)
|
||||
|
||||
/* Deivce memory layout */
|
||||
#define DEV_PHYMEM_BASE (0x0000000000000000ULL)
|
||||
#define DEV_VRTMEM_BASE (0x0000004000000000ULL)
|
||||
#define DEV_MEM_SZ (0x0000000010000000ULL)
|
||||
|
||||
/* User memory layout */
|
||||
#define USER_STACK_SIZE PAGE_SIZE
|
||||
#define USER_MEM_BASE (0x0000000000000000ULL)
|
||||
#define USER_MEM_TOP DEV_VRTMEM_BASE
|
||||
#define USER_IPC_SPACE_BASE (0x0000003000000000ULL)
|
||||
#define USER_IPC_USE_ALLOCATOR_WATERMARK (0x0000003000010000ULL)
|
||||
#define USER_IPC_SPACE_TOP (USER_IPC_SPACE_BASE + 0x10000000ULL)
|
||||
|
||||
/* Kernel memory layout */
|
||||
#define KERN_MEM_BASE (0x0000006040000000ULL) // First kernel virtual address
|
||||
#define KERN_OFFSET (KERN_MEM_BASE - PHY_MEM_BASE)
|
||||
|
||||
#define V2P(a) (((uint64_t)(a)) - KERN_OFFSET)
|
||||
#define P2V(a) ((void *)(((char *)(a)) + KERN_OFFSET))
|
||||
|
||||
#define V2P_WO(x) ((x) - KERN_OFFSET) // same as V2P, but without casts
|
||||
#define P2V_WO(x) ((x) + KERN_OFFSET) // same as P2V, but without casts
|
||||
// clang-format on
|
||||
|
|
@ -0,0 +1,76 @@
|
|||
/*
|
||||
* Copyright (c) 2020 AIIT XUOS Lab
|
||||
* XiUOS is licensed under Mulan PSL v2.
|
||||
* You can use this software according to the terms and conditions of the Mulan PSL v2.
|
||||
* You may obtain a copy of Mulan PSL v2 at:
|
||||
* http://license.coscl.org.cn/MulanPSL2
|
||||
* THIS SOFTWARE IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OF ANY KIND,
|
||||
* EITHER EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO NON-INFRINGEMENT,
|
||||
* MERCHANTABILITY OR FIT FOR A PARTICULAR PURPOSE.
|
||||
* See the Mulan PSL v2 for more details.
|
||||
*/
|
||||
/**
|
||||
* @file pagetable_attr.c
|
||||
* @brief mmu entry attributes
|
||||
* @version 1.
|
||||
* @author AIIT XUOS Lab
|
||||
* @date 2023.04.26
|
||||
*/
|
||||
|
||||
/*************************************************
|
||||
File name: pagetable_attr.c
|
||||
Description: mmu entry attributes
|
||||
Others:
|
||||
History:
|
||||
Author: AIIT XUOS Lab
|
||||
Modification:
|
||||
1. first version
|
||||
*************************************************/
|
||||
#include "mmu.h"
|
||||
#include "mmu_common.h"
|
||||
|
||||
// clang-format off
|
||||
#define ARMV8_PTE_ATTR_MASK(attr) (((attr) & 0b111) << 2)
|
||||
#define ARMV8_PTE_DEVICE ARMV8_PTE_ATTR_MASK(0x0)
|
||||
#define ARMV8_PTE_NORMAL ARMV8_PTE_ATTR_MASK(0x1)
|
||||
|
||||
#define ARMV8_PTE_AP(ap) (((ap) & 0b11) << 6)
|
||||
#define ARMV8_PTE_AP_U ARMV8_PTE_AP(0x01)
|
||||
#define ARMV8_PTE_AP_K ARMV8_PTE_AP(0x00)
|
||||
#define ARMV8_PTE_AP_RO ARMV8_PTE_AP(0b10)
|
||||
#define ARMV8_PTE_AP_RW ARMV8_PTE_AP(0b00)
|
||||
|
||||
#define ARMV8_PTE_AF (0x1 << 10)
|
||||
#define ARMV8_PTE_PXN (1ULL << 53) // Privileged eXecute Never
|
||||
#define ARMV8_PTE_UXN (1ULL << 54) // Unprivileged(user) eXecute Never
|
||||
#define ARMV8_PTE_XN (ARMV8_PTE_PXN | ARMV8_PTE_UXN)
|
||||
|
||||
#define ARMV8_PTE_VALID (0b11 << 0)
|
||||
#define ARMV8_PDE_VALID (0b11 << 0)
|
||||
|
||||
// clang-format on
|
||||
|
||||
void GetUsrPteAttr(uintptr_t* attr)
|
||||
{
|
||||
*attr = ARMV8_PTE_AP_U | ARMV8_PTE_AP_RW | ARMV8_PTE_AF | ARMV8_PTE_NORMAL | ARMV8_PTE_VALID;
|
||||
}
|
||||
|
||||
void GetUsrDevPteAttr(uintptr_t* attr)
|
||||
{
|
||||
*attr = ARMV8_PTE_AP_U | ARMV8_PTE_AP_RW | ARMV8_PTE_AF | ARMV8_PTE_DEVICE | ARMV8_PTE_XN | ARMV8_PTE_VALID;
|
||||
}
|
||||
|
||||
void GetDevPteAttr(uintptr_t* attr)
|
||||
{
|
||||
*attr = ARMV8_PTE_AP_K | ARMV8_PTE_AP_RW | ARMV8_PTE_AF | ARMV8_PTE_DEVICE | ARMV8_PTE_XN | ARMV8_PTE_VALID;
|
||||
}
|
||||
|
||||
void GetKernPteAttr(uintptr_t* attr)
|
||||
{
|
||||
*attr = ARMV8_PTE_AP_K | ARMV8_PTE_AP_RW | ARMV8_PTE_AF | ARMV8_PTE_NORMAL | ARMV8_PTE_VALID;
|
||||
}
|
||||
|
||||
void GetPdeAttr(uintptr_t* attr)
|
||||
{
|
||||
*attr = ARMV8_PDE_VALID;
|
||||
}
|
||||
|
|
@ -19,8 +19,7 @@ struct MmuDriverRightGroup {
|
|||
struct TraceTag intr_driver_tag;
|
||||
};
|
||||
|
||||
struct MmuCommonDone
|
||||
{
|
||||
struct MmuCommonDone {
|
||||
void (*MmuDevPteAttr)(uintptr_t* attr);
|
||||
void (*MmuPdeAttr)(uintptr_t* attr);
|
||||
void (*MmuUsrPteAttr)(uintptr_t* attr);
|
||||
|
|
|
|||
|
|
@ -1,4 +1,10 @@
|
|||
# The following three platforms support compatiable instructions.
|
||||
ifneq ($(findstring $(BOARD), ok1028a-c), )
|
||||
SRC_DIR := armv8-a
|
||||
endif
|
||||
ifneq ($(findstring $(BOARD), imx6q-sabrelite zynq7000-zc702), )
|
||||
SRC_DIR := armv7-a
|
||||
endif
|
||||
|
||||
|
||||
include $(KERNEL_ROOT)/compiler.mk
|
||||
|
|
|
|||
|
|
@ -0,0 +1,4 @@
|
|||
# The following three platforms support compatiable instructions.
|
||||
SRC_DIR := cortex-a72
|
||||
|
||||
include $(KERNEL_ROOT)/compiler.mk
|
||||
|
|
@ -0,0 +1,3 @@
|
|||
SRC_DIR := uart_io_for_$(BOARD)
|
||||
|
||||
include $(KERNEL_ROOT)/compiler.mk
|
||||
|
|
@ -0,0 +1,3 @@
|
|||
SRC_FILES := uart.c
|
||||
|
||||
include $(KERNEL_ROOT)/compiler.mk
|
||||
|
|
@ -0,0 +1,29 @@
|
|||
#pragma once
|
||||
|
||||
#include "memlayout.h"
|
||||
#include "mmio_access.h"
|
||||
|
||||
#define UART0_BASE (0x09000000ULL)
|
||||
#define UART0_REG(reg) ((volatile uint32_t*)(MMIO_P2V_WO(UART0_BASE + reg)))
|
||||
|
||||
// the UART control registers.
|
||||
// pl011
|
||||
#define DR 0x00
|
||||
#define FR 0x18
|
||||
#define FR_RXFE (1 << 4) // recieve fifo empty
|
||||
#define FR_TXFF (1 << 5) // transmit fifo full
|
||||
#define FR_RXFF (1 << 6) // recieve fifo full
|
||||
#define FR_TXFE (1 << 7) // transmit fifo empty
|
||||
#define IBRD 0x24
|
||||
#define FBRD 0x28
|
||||
#define LCRH 0x2c
|
||||
#define LCRH_FEN (1 << 4)
|
||||
#define LCRH_WLEN_8BIT (3 << 5)
|
||||
#define CR 0x30
|
||||
#define IMSC 0x38
|
||||
#define INT_RX_ENABLE (1 << 4)
|
||||
#define INT_TX_ENABLE (1 << 5)
|
||||
#define ICR 0x44
|
||||
|
||||
#define UART_READ_REG(reg) (*(UART0_REG(reg)))
|
||||
#define UART_WRITE_REG(reg, v) (*(UART0_REG(reg)) = (v))
|
||||
|
|
@ -0,0 +1,128 @@
|
|||
//
|
||||
// low-level driver routines for pl011 UART.
|
||||
//
|
||||
|
||||
#include "uart.h"
|
||||
#include "actracer.h"
|
||||
#include "uart_common_ope.h"
|
||||
|
||||
// the UART control registers are memory-mapped
|
||||
// at address UART0. this macro returns the
|
||||
// address of one of the registers.
|
||||
|
||||
// the transmit output buffer.
|
||||
#define UART_TX_BUF_SIZE 32
|
||||
static char uart_tx_buf[UART_TX_BUF_SIZE];
|
||||
uint64_t uart_tx_w; // write next to uart_tx_buf[uart_tx_w % UART_TX_BUF_SIZE]
|
||||
uint64_t uart_tx_r; // read next from uart_tx_buf[uart_tx_r % UART_TX_BUF_SIZE]
|
||||
|
||||
void uartinit(void)
|
||||
{
|
||||
// disable uart
|
||||
UART_WRITE_REG(CR, 0);
|
||||
|
||||
// disable interrupts.
|
||||
UART_WRITE_REG(IMSC, 0);
|
||||
|
||||
// in qemu, it is not necessary to set baudrate.
|
||||
// enable FIFOs.
|
||||
// set word length to 8 bits, no parity.
|
||||
UART_WRITE_REG(LCRH, LCRH_FEN | LCRH_WLEN_8BIT);
|
||||
|
||||
// enable RXE, TXE and enable uart.
|
||||
UART_WRITE_REG(CR, 0x301);
|
||||
|
||||
// enable transmit and receive interrupts.
|
||||
UART_WRITE_REG(IMSC, INT_RX_ENABLE | INT_TX_ENABLE);
|
||||
}
|
||||
|
||||
// if the UART is idle, and a character is waiting
|
||||
// in the transmit buffer, send it.
|
||||
// caller must hold uart_tx_lock.
|
||||
// called from both the top- and bottom-half.
|
||||
void uartstart()
|
||||
{
|
||||
while (1) {
|
||||
if (uart_tx_w == uart_tx_r) {
|
||||
// transmit buffer is empty.
|
||||
return;
|
||||
}
|
||||
|
||||
if (UART_READ_REG(FR) & FR_TXFF) {
|
||||
// the UART transmit holding register is full,
|
||||
// so we cannot give it another byte.
|
||||
// it will interrupt when it's ready for a new byte.
|
||||
return;
|
||||
}
|
||||
|
||||
int c = uart_tx_buf[uart_tx_r % UART_TX_BUF_SIZE];
|
||||
uart_tx_r += 1;
|
||||
|
||||
// maybe uartputc() is waiting for space in the buffer.
|
||||
|
||||
UART_WRITE_REG(DR, c);
|
||||
}
|
||||
}
|
||||
|
||||
// add a character to the output buffer and tell the
|
||||
// UART to start sending if it isn't already.
|
||||
// blocks if the output buffer is full.
|
||||
// because it may block, it can't be called
|
||||
// from interrupts; it's only suitable for use
|
||||
// by write().
|
||||
void uartputc(uint8_t c)
|
||||
{
|
||||
while (uart_tx_w == uart_tx_r + UART_TX_BUF_SIZE)
|
||||
;
|
||||
uart_tx_buf[uart_tx_w % UART_TX_BUF_SIZE] = c;
|
||||
uart_tx_w += 1;
|
||||
uartstart();
|
||||
return;
|
||||
}
|
||||
|
||||
// read one input character from the UART.
|
||||
// return -1 if none is waiting.
|
||||
static uint8_t uartgetc(void)
|
||||
{
|
||||
if (UART_READ_REG(FR) & FR_RXFE)
|
||||
return 0xFF;
|
||||
else
|
||||
return UART_READ_REG(DR);
|
||||
}
|
||||
|
||||
// handle a uart interrupt, raised because input has
|
||||
// arrived, or the uart is ready for more output, or
|
||||
// both. called from trap.c.
|
||||
void uartintr(void)
|
||||
{
|
||||
// read and process incoming characters.
|
||||
while (1) {
|
||||
int c = uartgetc();
|
||||
if (c == 0xFF)
|
||||
break;
|
||||
}
|
||||
|
||||
// send buffered characters.
|
||||
uartstart();
|
||||
|
||||
// clear transmit and receive interrupts.
|
||||
UART_WRITE_REG(ICR, INT_RX_ENABLE | INT_TX_ENABLE);
|
||||
}
|
||||
|
||||
static uint32_t UartGetIrqnum()
|
||||
{
|
||||
return 0;
|
||||
}
|
||||
|
||||
static struct XiziSerialDriver hardkernel_serial_driver = {
|
||||
.sys_serial_init = uartinit,
|
||||
.get_serial_irqnum = UartGetIrqnum,
|
||||
.putc = uartputc,
|
||||
.getc = uartgetc,
|
||||
};
|
||||
|
||||
struct XiziSerialDriver* hardkernel_uart_init(struct TraceTag* hardkernel_tag)
|
||||
{
|
||||
hardkernel_serial_driver.sys_serial_init();
|
||||
return &hardkernel_serial_driver;
|
||||
}
|
||||
|
|
@ -70,6 +70,6 @@ struct SysTracer {
|
|||
void sys_tracer_init();
|
||||
TraceTag* const RequireRootTag();
|
||||
bool AchieveResourceTag(struct TraceTag* target, struct TraceTag* owner, char* name);
|
||||
void* AchieveResource(struct TraceTag* target);
|
||||
void* AchieveResource(struct TraceTag* tag);
|
||||
bool CreateResourceTag(struct TraceTag* new_tag, struct TraceTag* owner, char* name, tracemeta_ac_type type, void* p_resource);
|
||||
bool DeleteResource(struct TraceTag* target, struct TraceTag* owner);
|
||||
|
|
@ -38,6 +38,22 @@ KERNELPATHS += \
|
|||
-I$(KERNEL_ROOT)/hardkernel/cache/L2/pl310/
|
||||
endif
|
||||
|
||||
ifeq ($(BOARD), ok1028a-c)
|
||||
KERNELPATHS += \
|
||||
-I$(KERNEL_ROOT)/hardkernel/clock/arm/armv8-a/cortex-a72/$(BOARD)/include \
|
||||
-I$(KERNEL_ROOT)/hardkernel/arch/arm/armv8-a/cortex-a72/preboot_for_$(BOARD)/include \
|
||||
-I$(KERNEL_ROOT)/hardkernel/arch/arm/armv8-a/cortex-a72/ \
|
||||
-I$(KERNEL_ROOT)/hardkernel/mmu/arm/armv8-a/cortex-a72/$(BOARD) \
|
||||
-I$(KERNEL_ROOT)/hardkernel/mmu/arm/armv8-a/cortex-a72/include \
|
||||
-I$(KERNEL_ROOT)/hardkernel/clock/arm/armv8-a/cortex-a72/include \
|
||||
-I$(KERNEL_ROOT)/hardkernel/intr/arm/armv8-a/cortex-a72/ \
|
||||
-I$(KERNEL_ROOT)/hardkernel/intr/arm/armv8-a/cortex-a72/$(BOARD) \
|
||||
-I$(KERNEL_ROOT)/hardkernel/intr/arm/armv8-a/cortex-a72/gicv3 \
|
||||
-I$(KERNEL_ROOT)/hardkernel/uart/arm/armv8-a/cortex-a72/uart_io_for_$(BOARD)/include \
|
||||
-I$(KERNEL_ROOT)/hardkernel/uart/arm/armv8-a/cortex-a72/ \
|
||||
-I$(KERNEL_ROOT)/hardkernel/cache/L1/arm/cortex-a72/
|
||||
endif
|
||||
|
||||
KERNELPATHS += \
|
||||
-I$(KERNEL_ROOT)/hardkernel \
|
||||
-I$(KERNEL_ROOT)/hardkernel/clock/ \
|
||||
|
|
|
|||
|
|
@ -1,5 +1,5 @@
|
|||
|
||||
SRC_DIR := fs shell lib boards drivers semaphore tools net app
|
||||
SRC_DIR := fs shell lib boards drivers semaphore drivers tools net app
|
||||
|
||||
|
||||
include $(KERNEL_ROOT)/compiler.mk
|
||||
|
|
|
|||
|
|
@ -10,6 +10,12 @@ cflags = -std=c11 -O2 -march=armv7-a -mtune=cortex-a9 -nostdlib -nodefaultlibs -
|
|||
board_specs = stub.o
|
||||
#cflags = -Wall -g -std=c11
|
||||
endif
|
||||
ifeq ($(BOARD), ok1028a-c)
|
||||
toolchain ?= aarch64-none-elf-
|
||||
user_ldflags = -N -Ttext 0
|
||||
cflags = -Wall -g -std=c11 -mtune=cortex-a72 -nostdlib -nodefaultlibs -fno-pic -static -fno-builtin -fno-strict-aliasing -Wall -ggdb -Wno-unused -Werror -fno-omit-frame-pointer -fno-stack-protector -fno-pie
|
||||
board_specs = stub.o
|
||||
endif
|
||||
|
||||
cc = ${toolchain}gcc
|
||||
ld = ${toolchain}g++
|
||||
|
|
@ -37,9 +43,9 @@ INC_DIR = -I$(KERNEL_ROOT)/services/shell/letter-shell \
|
|||
-I$(KERNEL_ROOT)/services/app
|
||||
|
||||
ifeq ($(BOARD), imx6q-sabrelite)
|
||||
all: init test_fs simple_client simple_server shell fs_server semaphore_server test_thread test_irq_hdlr test_irq_block test_irq_send eth_driver epit_server test_net lwip readme.txt | bin
|
||||
all: init test_fault simple_client simple_server shell fs_server semaphore_server test_semaphore test_ipc_null test_thread test_irq_hdlr test_irq_block test_irq_send eth_driver epit_server readme.txt | bin
|
||||
else
|
||||
all: init test_fs simple_client simple_server shell fs_server test_irq_hdlr readme.txt | bin
|
||||
all: init test_fault simple_client simple_server shell fs_server test_ipc_null test_thread test_semaphore readme.txt | bin
|
||||
endif
|
||||
../tools/mkfs/mkfs ./fs.img $^
|
||||
@mv $(filter-out readme.txt, $^) bin
|
||||
|
|
@ -63,6 +69,14 @@ epit_server: timer.o epit.o ccm_pll.o usyscall.o arch_usyscall.o libserial.o pri
|
|||
@${objdump} -S $@ > $@.asm
|
||||
endif
|
||||
|
||||
test_semaphore: test_semaphore.o libserial.o printf.o usyscall.o arch_usyscall.o
|
||||
@${ld} ${user_ldflags} -e main -o $@ $^ ${board_specs}
|
||||
@${objdump} -S $@ > $@.asm
|
||||
|
||||
test_ipc_null: test_ipc_null.o libserial.o printf.o usyscall.o arch_usyscall.o libipc.o session.o
|
||||
@${ld} ${user_ldflags} -e main -o $@ $^ ${board_specs}
|
||||
@${objdump} -S $@ > $@.asm
|
||||
|
||||
semaphore_server: semaphore_server.o libserial.o printf.o usyscall.o arch_usyscall.o libipc.o session.o
|
||||
@${ld} ${user_ldflags} -e main -o $@ $^ ${board_specs}
|
||||
@${objdump} -S $@ > $@.asm
|
||||
|
|
@ -87,7 +101,7 @@ init: init.o libfs.o libipc.o session.o libserial.o printf.o usyscall.o arch_usy
|
|||
@${ld} ${user_ldflags} -e main -o $@ $^ ${board_specs}
|
||||
@${objdump} -S $@ > $@.asm
|
||||
|
||||
test_fs: test_fs.o libfs.o libipc.o session.o libserial.o printf.o usyscall.o arch_usyscall.o libmem.o
|
||||
test_fault: test_fault.o libserial.o printf.o usyscall.o arch_usyscall.o
|
||||
@${ld} ${user_ldflags} -e main -o $@ $^ ${board_specs}
|
||||
@${objdump} -S $@ > $@.asm
|
||||
|
||||
|
|
|
|||
|
|
@ -56,10 +56,10 @@ int main(void)
|
|||
printf("session connect faield\n");
|
||||
return -1;
|
||||
}
|
||||
|
||||
shellTask(&shell);
|
||||
|
||||
free_session(&session_fs);
|
||||
|
||||
exit(0);
|
||||
return 0;
|
||||
}
|
||||
|
|
|
|||
|
|
@ -85,7 +85,6 @@ int main(int argc, char** argv)
|
|||
if (argc >= 2) {
|
||||
id = string_to_integer(argv[1]);
|
||||
}
|
||||
// printf("This is Simple Client %d, size is 0x%x\n", id, task_heap_base());
|
||||
|
||||
struct Session session_wait;
|
||||
struct Session session_nowait;
|
||||
|
|
@ -94,37 +93,39 @@ int main(int argc, char** argv)
|
|||
exit(1);
|
||||
}
|
||||
|
||||
// test no wait ipc
|
||||
char *buf1 = NULL, *buf2 = NULL;
|
||||
struct IpcMsg* msg1 = hello_string_nowait(&session_nowait, &buf1, 32);
|
||||
struct IpcMsg* msg2 = hello_string_nowait(&session_nowait, &buf2, 128);
|
||||
|
||||
int ret = add(&session_wait, 17, 22);
|
||||
// test ipc add(wait version)
|
||||
int ret = 0;
|
||||
ret = add(&session_wait, 17, 22);
|
||||
printf("ipc_add 17 + 22 = %d\n", ret);
|
||||
char buf[32];
|
||||
ret = add(&session_wait, 9, 9);
|
||||
printf("ipc_add 9 + 9 = %d\n", ret);
|
||||
|
||||
struct Session session;
|
||||
struct Session fs_session;
|
||||
static char id_buf[33] = { 0 };
|
||||
if (id > 1) {
|
||||
if (connect_session(&session, "MemFS", 8092) < 0) {
|
||||
printf("connect session failed\n");
|
||||
if (connect_session(&fs_session, "MemFS", 8192) < 0) {
|
||||
printf("connect fs_session failed\n");
|
||||
} else {
|
||||
int fd;
|
||||
itoa(id - 1, id_buf, 10);
|
||||
char* shell_task_param[3] = { "/simple_client", id_buf, 0 };
|
||||
if ((fd = open(&session, shell_task_param[0])) >= 0) {
|
||||
if (spawn(&session, fd, read, fsize, shell_task_param[0], shell_task_param) < 0) {
|
||||
if ((fd = open(&fs_session, shell_task_param[0])) >= 0) {
|
||||
if (spawn(&fs_session, fd, read, fsize, shell_task_param[0], shell_task_param) < 0) {
|
||||
printf("Syscall Spawn simple_client failed\n");
|
||||
}
|
||||
if (spawn(&session, fd, read, fsize, shell_task_param[0], shell_task_param) < 0) {
|
||||
if (spawn(&fs_session, fd, read, fsize, shell_task_param[0], shell_task_param) < 0) {
|
||||
printf("Syscall Spawn simple_client failed\n");
|
||||
}
|
||||
close(&session, fd);
|
||||
close(&fs_session, fd);
|
||||
} else {
|
||||
printf("Open %s failed\n", shell_task_param[0]);
|
||||
}
|
||||
free_session(&session);
|
||||
free_session(&fs_session);
|
||||
}
|
||||
}
|
||||
|
||||
|
|
|
|||
|
|
@ -44,4 +44,5 @@ int main(int argc, char* argv[])
|
|||
|
||||
// never reached
|
||||
exit(0);
|
||||
return 0;
|
||||
}
|
||||
|
|
|
|||
|
|
@ -10,34 +10,18 @@
|
|||
* See the Mulan PSL v2 for more details.
|
||||
*/
|
||||
|
||||
// test_priority: Test the priority scheduler of task
|
||||
// test_fs: Test the file io control of fs
|
||||
#include <assert.h>
|
||||
#include <stdbool.h>
|
||||
#include <string.h>
|
||||
|
||||
#include "libserial.h"
|
||||
#include "usyscall.h"
|
||||
|
||||
static void count_down()
|
||||
{
|
||||
int time = 500000000;
|
||||
while (time >= 0) {
|
||||
if (time % 10000000 == 0) {
|
||||
printf("Priority-based preempting, time remained %d\n", time);
|
||||
}
|
||||
time--;
|
||||
}
|
||||
return;
|
||||
}
|
||||
|
||||
int main(int argc, char* argv[])
|
||||
{
|
||||
// set priority
|
||||
sys_state_info info;
|
||||
info.priority = 0;
|
||||
set_priority(&info);
|
||||
|
||||
// test function
|
||||
count_down();
|
||||
printf("Test memry error %s.\n", 0x50000000);
|
||||
printf("After error computing.\n");
|
||||
|
||||
exit(0);
|
||||
return 0;
|
||||
|
|
@ -1,53 +0,0 @@
|
|||
/*
|
||||
* Copyright (c) 2020 AIIT XUOS Lab
|
||||
* XiUOS is licensed under Mulan PSL v2.
|
||||
* You can use this software according to the terms and conditions of the Mulan PSL v2.
|
||||
* You may obtain a copy of Mulan PSL v2 at:
|
||||
* http://license.coscl.org.cn/MulanPSL2
|
||||
* THIS SOFTWARE IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OF ANY KIND,
|
||||
* EITHER EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO NON-INFRINGEMENT,
|
||||
* MERCHANTABILITY OR FIT FOR A PARTICULAR PURPOSE.
|
||||
* See the Mulan PSL v2 for more details.
|
||||
*/
|
||||
|
||||
// test_fs: Test the file io control of fs
|
||||
#include <assert.h>
|
||||
#include <stdbool.h>
|
||||
#include <string.h>
|
||||
|
||||
#include "libfs.h"
|
||||
#include "libserial.h"
|
||||
#include "usyscall.h"
|
||||
|
||||
#define BLOCK_SIZE 256
|
||||
int main(int argc, char* argv[])
|
||||
{
|
||||
printf("file system test\n");
|
||||
|
||||
struct Session session;
|
||||
connect_session(&session, "MemFS", 4096);
|
||||
|
||||
int fd;
|
||||
char* fd_path = "/readme.txt";
|
||||
fd = open(&session, fd_path);
|
||||
/// @todo support malloc for user
|
||||
char buffer[BLOCK_SIZE] = { 0 };
|
||||
read(&session, fd, buffer, 0, BLOCK_SIZE);
|
||||
printf("file content: %s\n", buffer);
|
||||
|
||||
char* write_data = "hello world\n";
|
||||
write(&session, fd, write_data, 0, strlen(write_data) + 1);
|
||||
memset(buffer, 0, BLOCK_SIZE);
|
||||
read(&session, fd, buffer, 0, BLOCK_SIZE);
|
||||
printf("file content: %s\n", buffer);
|
||||
|
||||
close(&session, fd);
|
||||
free_session(&session);
|
||||
|
||||
printf("file test done.\n");
|
||||
printf("Test memry error %s.\n", 0x50000000);
|
||||
printf("After error computing.\n");
|
||||
|
||||
exit(0);
|
||||
return 0;
|
||||
}
|
||||
|
|
@ -0,0 +1,85 @@
|
|||
/*
|
||||
* Copyright (c) 2020 AIIT XUOS Lab
|
||||
* XiUOS is licensed under Mulan PSL v2.
|
||||
* You can use this software according to the terms and conditions of the Mulan PSL v2.
|
||||
* You may obtain a copy of Mulan PSL v2 at:
|
||||
* http://license.coscl.org.cn/MulanPSL2
|
||||
* THIS SOFTWARE IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OF ANY KIND,
|
||||
* EITHER EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO NON-INFRINGEMENT,
|
||||
* MERCHANTABILITY OR FIT FOR A PARTICULAR PURPOSE.
|
||||
* See the Mulan PSL v2 for more details.
|
||||
*/
|
||||
#include <stdbool.h>
|
||||
#include <string.h>
|
||||
|
||||
#include "libipc.h"
|
||||
#include "libserial.h"
|
||||
#include "usyscall.h"
|
||||
|
||||
IPC_SERVICES(IpcTestNull, Ipc_test_null);
|
||||
#define TEST_BUF_SIZE 32
|
||||
|
||||
static char test_null_server_name[] = "TestNullServer";
|
||||
static char test_null_client_name[] = "TestNullClient";
|
||||
|
||||
// client side
|
||||
static char buf[TEST_BUF_SIZE];
|
||||
|
||||
IPC_INTERFACE(Ipc_test_null, 1, ptr, sizeof(buf));
|
||||
int test_null(struct Session* session, char* ptr)
|
||||
{
|
||||
return IPC_CALL(Ipc_test_null)(session, ptr);
|
||||
}
|
||||
|
||||
// client thread
|
||||
int server_thread(int argc, char** argv);
|
||||
int main(int argc, char** argv)
|
||||
{
|
||||
struct Session session;
|
||||
bool server_enabled = false;
|
||||
while (connect_session(&session, test_null_server_name, 4096) < 0) {
|
||||
if (!server_enabled) {
|
||||
char* server_param[] = { test_null_server_name, NULL };
|
||||
if (thread(server_thread, test_null_server_name, server_param) >= 0) {
|
||||
server_enabled = true;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
printf("[%s] Call using NULL ptr.\n", test_null_client_name);
|
||||
test_null(&session, NULL);
|
||||
printf("[%s] Call using non-NULL ptr.\n", test_null_client_name);
|
||||
test_null(&session, buf);
|
||||
|
||||
exit(0);
|
||||
return 0;
|
||||
}
|
||||
|
||||
// server side
|
||||
int IPC_DO_SERVE_FUNC(Ipc_test_null)(void* ptr)
|
||||
{
|
||||
if (ptr == NULL) {
|
||||
printf("[%s]: A NULL ptr ipc call.\n", test_null_server_name);
|
||||
} else {
|
||||
printf("[%s]: A non-NULL ptr ipc call.\n", test_null_server_name);
|
||||
}
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
IPC_SERVER_INTERFACE(Ipc_test_null, 1);
|
||||
IPC_SERVER_REGISTER_INTERFACES(IpcTestNull, 1, Ipc_test_null);
|
||||
|
||||
// server threads
|
||||
int server_thread(int argc, char** argv)
|
||||
{
|
||||
if (register_server(test_null_server_name) < 0) {
|
||||
printf("[%s] Register %s server failed.\n", test_null_server_name, test_null_server_name);
|
||||
exit(1);
|
||||
return 1;
|
||||
}
|
||||
ipc_server_loop(&IpcTestNull);
|
||||
|
||||
exit(0);
|
||||
return 0;
|
||||
}
|
||||
|
|
@ -52,4 +52,5 @@ int main()
|
|||
ipc_server_loop(&IpcSwIntrHandler);
|
||||
|
||||
exit(0);
|
||||
return 0;
|
||||
}
|
||||
|
|
@ -0,0 +1,71 @@
|
|||
/*
|
||||
* Copyright (c) 2020 AIIT XUOS Lab
|
||||
* XiUOS is licensed under Mulan PSL v2.
|
||||
* You can use this software according to the terms and conditions of the Mulan PSL v2.
|
||||
* You may obtain a copy of Mulan PSL v2 at:
|
||||
* http://license.coscl.org.cn/MulanPSL2
|
||||
* THIS SOFTWARE IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OF ANY KIND,
|
||||
* EITHER EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO NON-INFRINGEMENT,
|
||||
* MERCHANTABILITY OR FIT FOR A PARTICULAR PURPOSE.
|
||||
* See the Mulan PSL v2 for more details.
|
||||
*/
|
||||
#include <stdint.h>
|
||||
|
||||
#include "libserial.h"
|
||||
#include "usyscall.h"
|
||||
|
||||
enum {
|
||||
NR_THREADS = 16,
|
||||
LOOP_TIMES = 0x1000000,
|
||||
};
|
||||
|
||||
static int sem_id = -1;
|
||||
static uint32_t sum = 0;
|
||||
static int nr_thds = NR_THREADS;
|
||||
|
||||
int do_calculation(int argc, char** argv)
|
||||
{
|
||||
for (uint32_t i = 0; i < LOOP_TIMES; i++) {
|
||||
sum++;
|
||||
}
|
||||
|
||||
printf("test semaphore thd signal.\n");
|
||||
semaphore_signal(sem_id);
|
||||
|
||||
char* params[] = { "do_cal", NULL };
|
||||
if (nr_thds != 0) {
|
||||
int tid = thread(do_calculation, "test_sem_thd", params);
|
||||
nr_thds--;
|
||||
}
|
||||
|
||||
exit(0);
|
||||
return 0;
|
||||
}
|
||||
|
||||
int main(int argc, char** argv)
|
||||
{
|
||||
printf("Test Semaphore.\n");
|
||||
sem_id = semaphore_new(0);
|
||||
if (sem_id < 0) {
|
||||
printf("new a kernel sem failed.\n");
|
||||
exit(1);
|
||||
}
|
||||
|
||||
sum = 0;
|
||||
|
||||
nr_thds = NR_THREADS;
|
||||
char* params[] = { "do_cal", NULL };
|
||||
if (nr_thds != 0) {
|
||||
int tid = thread(do_calculation, "test_sem_thd", params);
|
||||
nr_thds--;
|
||||
}
|
||||
|
||||
for (int i = 0; i < NR_THREADS; i++) {
|
||||
semaphore_wait(sem_id);
|
||||
}
|
||||
|
||||
printf("test thread sum after %d signal: 0x%x\n", NR_THREADS, sum);
|
||||
|
||||
exit(0);
|
||||
return 0;
|
||||
}
|
||||
|
|
@ -25,6 +25,8 @@ int sub_thread_entry(int argc, char** argv)
|
|||
global_value++;
|
||||
}
|
||||
|
||||
/// @warning session is single threaded, so that each thread cannot share a common session.
|
||||
// sub thread connect to semaphore server
|
||||
struct Session sem_session;
|
||||
while (connect_session(&sem_session, sem_server_name, 4096) < 0) {
|
||||
yield(SYS_TASK_YIELD_NO_REASON);
|
||||
|
|
|
|||
|
|
@ -1,15 +1,23 @@
|
|||
ifeq ($(BOARD), imx6q-sabrelite)
|
||||
toolchain ?= arm-none-eabi-
|
||||
user_ldflags = -N -Ttext 0
|
||||
cflags = -march=armv7-a -std=c11 -mtune=cortex-a9 -nostdlib -nodefaultlibs -mfloat-abi=soft -fno-pic -static -fno-builtin -fno-strict-aliasing -Wall -ggdb -Wno-unused -Werror -fno-omit-frame-pointer -fno-stack-protector -fno-pie
|
||||
endif
|
||||
ifeq ($(BOARD), zynq7000-zc702)
|
||||
toolchain ?= arm-xilinx-eabi-
|
||||
user_ldflags = -N -Ttext 0
|
||||
cflags = -march=armv7-a -std=c11 -mtune=cortex-a9 -nostdlib -nodefaultlibs -mfloat-abi=soft -fno-pic -static -fno-builtin -fno-strict-aliasing -Wall -ggdb -Wno-unused -Werror -fno-omit-frame-pointer -fno-stack-protector -fno-pie
|
||||
endif
|
||||
ifeq ($(BOARD), ok1028a-c)
|
||||
toolchain ?= aarch64-none-elf-
|
||||
user_ldflags = -N -Ttext 0
|
||||
cflags = -Wall -g -std=c11 -mtune=cortex-a72 -nostdlib -nodefaultlibs -fno-pic -static -fno-builtin -fno-strict-aliasing -Wall -ggdb -Wno-unused -Werror -fno-omit-frame-pointer -fno-stack-protector -fno-pie
|
||||
endif
|
||||
|
||||
cc = ${toolchain}gcc
|
||||
ld = ${toolchain}g++
|
||||
objdump = ${toolchain}objdump
|
||||
user_ldflags = -N -Ttext 0
|
||||
|
||||
cflags = -march=armv7-a -std=c11 -mtune=cortex-a9 -nostdlib -nodefaultlibs -mfloat-abi=soft -fno-pic -static -fno-builtin -fno-strict-aliasing -Wall -ggdb -Wno-unused -Werror -fno-omit-frame-pointer -fno-stack-protector -fno-pie
|
||||
c_useropts = -O2
|
||||
|
||||
INC_DIR = -I$(KERNEL_ROOT)/services/fs/libfs \
|
||||
|
|
|
|||
|
|
@ -0,0 +1,38 @@
|
|||
ifeq ($(BOARD), imx6q-sabrelite)
|
||||
toolchain ?= arm-none-eabi-
|
||||
user_ldflags = -N -Ttext 0
|
||||
cflags = -march=armv7-a -std=c11 -mtune=cortex-a9 -nostdlib -nodefaultlibs -mfloat-abi=soft -fno-pic -static -fno-builtin -fno-strict-aliasing -Wall -ggdb -Wno-unused -Werror -fno-omit-frame-pointer -fno-stack-protector -fno-pie
|
||||
endif
|
||||
ifeq ($(BOARD), zynq7000-zc702)
|
||||
toolchain ?= arm-xilinx-eabi-
|
||||
user_ldflags = -N -Ttext 0
|
||||
cflags = -march=armv7-a -std=c11 -mtune=cortex-a9 -nostdlib -nodefaultlibs -mfloat-abi=soft -fno-pic -static -fno-builtin -fno-strict-aliasing -Wall -ggdb -Wno-unused -Werror -fno-omit-frame-pointer -fno-stack-protector -fno-pie
|
||||
endif
|
||||
ifeq ($(BOARD), ok1028a-c)
|
||||
toolchain ?= aarch64-none-elf-
|
||||
user_ldflags = -N -Ttext 0
|
||||
cflags = -Wall -g -std=c11 -mtune=cortex-a72 -nostdlib -nodefaultlibs -fno-pic -static -fno-builtin -fno-strict-aliasing -Wall -ggdb -Wno-unused -Werror -fno-omit-frame-pointer -fno-stack-protector -fno-pie
|
||||
endif
|
||||
|
||||
cc = ${toolchain}gcc
|
||||
ld = ${toolchain}g++
|
||||
objdump = ${toolchain}objdump
|
||||
|
||||
c_useropts = -O2
|
||||
|
||||
INC_DIR = -I$(KERNEL_ROOT)/services/fs/libfs \
|
||||
-I$(KERNEL_ROOT)/services/lib/ipc \
|
||||
-I$(KERNEL_ROOT)/services/lib/memory \
|
||||
-I$(KERNEL_ROOT)/services/lib/serial \
|
||||
-I$(KERNEL_ROOT)/services/lib/usyscall \
|
||||
-I$(KERNEL_ROOT)/services/boards/$(BOARD) \
|
||||
-I$(KERNEL_ROOT)/services/app
|
||||
|
||||
board: libserial.o arch_usyscall.o stub.o
|
||||
@mv $^ $(KERNEL_ROOT)/services/app
|
||||
|
||||
%.o: %.c
|
||||
@echo "cc $^"
|
||||
@${cc} ${cflags} ${c_useropts} ${INC_DIR} -o $@ -c $^
|
||||
|
||||
include $(KERNEL_ROOT)/compiler.mk
|
||||
|
|
@ -0,0 +1,33 @@
|
|||
/*
|
||||
* Copyright (c) 2020 AIIT XUOS Lab
|
||||
* XiUOS is licensed under Mulan PSL v2.
|
||||
* You can use this software according to the terms and conditions of the Mulan PSL v2.
|
||||
* You may obtain a copy of Mulan PSL v2 at:
|
||||
* http://license.coscl.org.cn/MulanPSL2
|
||||
* THIS SOFTWARE IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OF ANY KIND,
|
||||
* EITHER EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO NON-INFRINGEMENT,
|
||||
* MERCHANTABILITY OR FIT FOR A PARTICULAR PURPOSE.
|
||||
* See the Mulan PSL v2 for more details.
|
||||
*/
|
||||
#include "usyscall.h"
|
||||
|
||||
int syscall(int sys_num, intptr_t a1, intptr_t a2, intptr_t a3, intptr_t a4)
|
||||
{
|
||||
int ret = -1;
|
||||
|
||||
__asm__ volatile(
|
||||
"mov x0, %1;\
|
||||
mov x1, %2;\
|
||||
mov x2, %3;\
|
||||
mov x3, %4;\
|
||||
mov x4, %5;\
|
||||
svc #0;\
|
||||
dsb ish;\
|
||||
isb;\
|
||||
mov %0, x0"
|
||||
: "=r"(ret)
|
||||
: "r"(sys_num), "r"(a1), "r"(a2), "r"(a3), "r"(a4)
|
||||
: "memory", "r0", "r1", "r2", "r3", "r4");
|
||||
|
||||
return ret;
|
||||
}
|
||||
|
|
@ -0,0 +1,113 @@
|
|||
/*
|
||||
* Copyright (c) 2020 AIIT XUOS Lab
|
||||
* XiUOS is licensed under Mulan PSL v2.
|
||||
* You can use this software according to the terms and conditions of the Mulan PSL v2.
|
||||
* You may obtain a copy of Mulan PSL v2 at:
|
||||
* http://license.coscl.org.cn/MulanPSL2
|
||||
* THIS SOFTWARE IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OF ANY KIND,
|
||||
* EITHER EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO NON-INFRINGEMENT,
|
||||
* MERCHANTABILITY OR FIT FOR A PARTICULAR PURPOSE.
|
||||
* See the Mulan PSL v2 for more details.
|
||||
*/
|
||||
|
||||
/// this file is only used for debug
|
||||
#include "libserial.h"
|
||||
#include "usyscall.h"
|
||||
|
||||
#define USER_UART_BASE 0x6FFFF000
|
||||
|
||||
#define UART0_BASE (0x09000000ULL)
|
||||
#define UART0_REG(reg) ((volatile uint32_t*)(USER_UART_BASE + reg))
|
||||
|
||||
// the UART control registers.
|
||||
// pl011
|
||||
#define DR 0x00
|
||||
#define FR 0x18
|
||||
#define FR_RXFE (1 << 4) // recieve fifo empty
|
||||
#define FR_TXFF (1 << 5) // transmit fifo full
|
||||
#define FR_RXFF (1 << 6) // recieve fifo full
|
||||
#define FR_TXFE (1 << 7) // transmit fifo empty
|
||||
#define IBRD 0x24
|
||||
#define FBRD 0x28
|
||||
#define LCRH 0x2c
|
||||
#define LCRH_FEN (1 << 4)
|
||||
#define LCRH_WLEN_8BIT (3 << 5)
|
||||
#define CR 0x30
|
||||
#define IMSC 0x38
|
||||
#define INT_RX_ENABLE (1 << 4)
|
||||
#define INT_TX_ENABLE (1 << 5)
|
||||
#define ICR 0x44
|
||||
|
||||
#define UART_READ_REG(reg) (*(UART0_REG(reg)))
|
||||
#define UART_WRITE_REG(reg, v) (*(UART0_REG(reg)) = (v))
|
||||
|
||||
#define UART_TX_BUF_SIZE 32
|
||||
static char uart_tx_buf[UART_TX_BUF_SIZE];
|
||||
uint64_t uart_tx_w; // write next to uart_tx_buf[uart_tx_w % UART_TX_BUF_SIZE]
|
||||
uint64_t uart_tx_r; // read next from uart_tx_buf[uart_tx_r % UART_TX_BUF_SIZE]
|
||||
|
||||
bool init_uart_mmio()
|
||||
{
|
||||
static int mapped = 0;
|
||||
if (mapped == 0) {
|
||||
if (-1 == mmap(USER_UART_BASE, UART0_BASE, 4096, true)) {
|
||||
return false;
|
||||
}
|
||||
mapped = 1;
|
||||
}
|
||||
return true;
|
||||
}
|
||||
|
||||
// if the UART is idle, and a character is waiting
|
||||
// in the transmit buffer, send it.
|
||||
// caller must hold uart_tx_lock.
|
||||
// called from both the top- and bottom-half.
|
||||
void uartstart()
|
||||
{
|
||||
while (1) {
|
||||
if (uart_tx_w == uart_tx_r) {
|
||||
// transmit buffer is empty.
|
||||
return;
|
||||
}
|
||||
|
||||
if (UART_READ_REG(FR) & FR_TXFF) {
|
||||
// the UART transmit holding register is full,
|
||||
// so we cannot give it another byte.
|
||||
// it will interrupt when it's ready for a new byte.
|
||||
return;
|
||||
}
|
||||
|
||||
int c = uart_tx_buf[uart_tx_r % UART_TX_BUF_SIZE];
|
||||
uart_tx_r += 1;
|
||||
|
||||
// maybe uartputc() is waiting for space in the buffer.
|
||||
|
||||
UART_WRITE_REG(DR, c);
|
||||
}
|
||||
}
|
||||
|
||||
// add a character to the output buffer and tell the
|
||||
// UART to start sending if it isn't already.
|
||||
// blocks if the output buffer is full.
|
||||
// because it may block, it can't be called
|
||||
// from interrupts; it's only suitable for use
|
||||
// by write().
|
||||
void putc(char c)
|
||||
{
|
||||
while (uart_tx_w == uart_tx_r + UART_TX_BUF_SIZE)
|
||||
;
|
||||
uart_tx_buf[uart_tx_w % UART_TX_BUF_SIZE] = c;
|
||||
uart_tx_w += 1;
|
||||
uartstart();
|
||||
return;
|
||||
}
|
||||
|
||||
// read one input character from the UART.
|
||||
// return -1 if none is waiting.
|
||||
char getc(void)
|
||||
{
|
||||
if (UART_READ_REG(FR) & FR_RXFE)
|
||||
return 0xFF;
|
||||
else
|
||||
return UART_READ_REG(DR);
|
||||
}
|
||||
|
|
@ -0,0 +1,91 @@
|
|||
/*
|
||||
* Copyright (c) 2020 AIIT XUOS Lab
|
||||
* XiUOS is licensed under Mulan PSL v2.
|
||||
* You can use this software according to the terms and conditions of the Mulan PSL v2.
|
||||
* You may obtain a copy of Mulan PSL v2 at:
|
||||
* http://license.coscl.org.cn/MulanPSL2
|
||||
* THIS SOFTWARE IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OF ANY KIND,
|
||||
* EITHER EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO NON-INFRINGEMENT,
|
||||
* MERCHANTABILITY OR FIT FOR A PARTICULAR PURPOSE.
|
||||
* See the Mulan PSL v2 for more details.
|
||||
*/
|
||||
|
||||
#include <stddef.h>
|
||||
#include <sys/stat.h>
|
||||
#include <sys/types.h>
|
||||
|
||||
// _exit: 用于退出程序
|
||||
void _exit(int status)
|
||||
{
|
||||
while (1) { }
|
||||
}
|
||||
|
||||
// _sbrk: 用于增加程序的数据空间
|
||||
void* _sbrk(ptrdiff_t incr)
|
||||
{
|
||||
extern char end; /* Defined by the linker */
|
||||
static char* heap_end;
|
||||
char* prev_heap_end;
|
||||
|
||||
if (heap_end == 0) {
|
||||
heap_end = &end;
|
||||
}
|
||||
prev_heap_end = heap_end;
|
||||
|
||||
// 在这里，你应该添加一些检查来确保堆不会与栈或其他内存区域冲突
|
||||
// 例如，检查 incr 是否会导致堆超出预定的内存区域
|
||||
|
||||
heap_end += incr;
|
||||
return (void*)prev_heap_end;
|
||||
}
|
||||
|
||||
// _write: 用于将数据写入文件描述符
|
||||
ssize_t _write(int file, const void* ptr, size_t len)
|
||||
{
|
||||
// 在这里，你需要实现将数据写入文件描述符的逻辑
|
||||
// 如果你的系统不支持文件系统，你可以将数据发送到串口或其他输出
|
||||
|
||||
return len; // 假设所有数据都被写入
|
||||
}
|
||||
|
||||
// _close: 用于关闭文件描述符
|
||||
int _close(int file)
|
||||
{
|
||||
return -1; // 表示失败，因为没有实际关闭文件的功能
|
||||
}
|
||||
|
||||
// _fstat: 用于获取文件状态
|
||||
int _fstat(int file, struct stat* st)
|
||||
{
|
||||
return 0; // 表示成功
|
||||
}
|
||||
|
||||
// _isatty: 检查文件描述符是否指向TTY设备
|
||||
int _isatty(int file)
|
||||
{
|
||||
return 1; // 表示是TTY设备
|
||||
}
|
||||
|
||||
// _lseek: 用于重新定位文件读/写的位置
|
||||
off_t _lseek(int file, off_t offset, int whence)
|
||||
{
|
||||
return -1; // 表示失败，因为不支持文件定位
|
||||
}
|
||||
|
||||
// _read: 用于从文件描述符读取数据
|
||||
ssize_t _read(int file, void* ptr, size_t len)
|
||||
{
|
||||
return 0; // 表示没有数据被读取
|
||||
}
|
||||
|
||||
// _kill: 发送信号给进程
|
||||
int _kill(int pid, int sig)
|
||||
{
|
||||
return -1; // 表示失败，因为不支持信号
|
||||
}
|
||||
|
||||
// _getpid: 获取进程ID
|
||||
int _getpid()
|
||||
{
|
||||
return 1; // 返回假设的进程ID
|
||||
}
|
||||
|
|
@ -9,6 +9,12 @@ user_ldflags = --start-group,-lgcc,-lc,--end-group
|
|||
cflags = -std=c11 -march=armv7-a -mtune=cortex-a9 -nostdlib -nodefaultlibs -mfloat-abi=soft -fno-pic -static -fno-builtin -fno-strict-aliasing -Wall -ggdb -Wno-unused -Werror -fno-omit-frame-pointer -fno-stack-protector -fno-pie
|
||||
#cflags = -Wall -g -std=c11
|
||||
endif
|
||||
ifeq ($(BOARD), ok1028a-c)
|
||||
toolchain ?= aarch64-none-elf-
|
||||
user_ldflags = -N -Ttext 0
|
||||
cflags = -Wall -g -std=c11 -mtune=cortex-a72 -nostdlib -nodefaultlibs -fno-pic -static -fno-builtin -fno-strict-aliasing -Wall -ggdb -Wno-unused -Werror -fno-omit-frame-pointer -fno-stack-protector -fno-pie
|
||||
endif
|
||||
|
||||
cc = ${toolchain}gcc
|
||||
ld = ${toolchain}g++
|
||||
objdump = ${toolchain}objdump
|
||||
|
|
|
|||
|
|
@ -1,15 +1,23 @@
|
|||
ifeq ($(BOARD), imx6q-sabrelite)
|
||||
toolchain ?= arm-none-eabi-
|
||||
cflags = -std=c11 -march=armv7-a -mtune=cortex-a9 -nostdlib -nodefaultlibs -mfloat-abi=soft -fno-pic -static -fno-builtin -fno-strict-aliasing -Wall -ggdb -Wno-unused -Werror -fno-omit-frame-pointer -fno-stack-protector -fno-pie
|
||||
user_ldflags = -N -Ttext 0
|
||||
endif
|
||||
ifeq ($(BOARD), zynq7000-zc702)
|
||||
toolchain ?= arm-xilinx-eabi-
|
||||
cflags = -std=c11 -march=armv7-a -mtune=cortex-a9 -nostdlib -nodefaultlibs -mfloat-abi=soft -fno-pic -static -fno-builtin -fno-strict-aliasing -Wall -ggdb -Wno-unused -Werror -fno-omit-frame-pointer -fno-stack-protector -fno-pie
|
||||
user_ldflags = -N -Ttext 0
|
||||
endif
|
||||
ifeq ($(BOARD), ok1028a-c)
|
||||
toolchain ?= aarch64-none-elf-
|
||||
user_ldflags = -N -Ttext 0
|
||||
cflags = -Wall -g -std=c11 -mtune=cortex-a72 -nostdlib -nodefaultlibs -fno-pic -static -fno-builtin -fno-strict-aliasing -Wall -ggdb -Wno-unused -Werror -fno-omit-frame-pointer -fno-stack-protector -fno-pie
|
||||
endif
|
||||
cc = ${toolchain}gcc
|
||||
ld = ${toolchain}g++
|
||||
objdump = ${toolchain}objdump
|
||||
user_ldflags = -N -Ttext 0
|
||||
|
||||
cflags = -std=c11 -march=armv7-a -mtune=cortex-a9 -nostdlib -nodefaultlibs -mfloat-abi=soft -fno-pic -static -fno-builtin -fno-strict-aliasing -Wall -ggdb -Wno-unused -Werror -fno-omit-frame-pointer -fno-stack-protector -fno-pie
|
||||
|
||||
c_useropts = -O2
|
||||
|
||||
INC_DIR = -I$(KERNEL_ROOT)/services/app \
|
||||
|
|
|
|||
|
|
@ -1,15 +1,23 @@
|
|||
ifeq ($(BOARD), imx6q-sabrelite)
|
||||
toolchain ?= arm-none-eabi-
|
||||
cflags = -std=c11 -march=armv7-a -mtune=cortex-a9 -nostdlib -nodefaultlibs -mfloat-abi=soft -fno-pic -static -fno-builtin -fno-strict-aliasing -Wall -ggdb -Wno-unused -Werror -fno-omit-frame-pointer -fno-stack-protector -fno-pie
|
||||
user_ldflags = -N -Ttext 0
|
||||
endif
|
||||
ifeq ($(BOARD), zynq7000-zc702)
|
||||
toolchain ?= arm-xilinx-eabi-
|
||||
cflags = -std=c11 -march=armv7-a -mtune=cortex-a9 -nostdlib -nodefaultlibs -mfloat-abi=soft -fno-pic -static -fno-builtin -fno-strict-aliasing -Wall -ggdb -Wno-unused -Werror -fno-omit-frame-pointer -fno-stack-protector -fno-pie
|
||||
user_ldflags = -N -Ttext 0
|
||||
endif
|
||||
ifeq ($(BOARD), ok1028a-c)
|
||||
toolchain ?= aarch64-none-elf-
|
||||
user_ldflags = -N -Ttext 0
|
||||
cflags = -Wall -g -std=c11 -mtune=cortex-a72 -nostdlib -nodefaultlibs -fno-pic -static -fno-builtin -fno-strict-aliasing -Wall -ggdb -Wno-unused -Werror -fno-omit-frame-pointer -fno-stack-protector -fno-pie
|
||||
endif
|
||||
|
||||
cc = ${toolchain}gcc
|
||||
ld = ${toolchain}g++
|
||||
objdump = ${toolchain}objdump
|
||||
user_ldflags = -N -Ttext 0
|
||||
|
||||
cflags = -std=c11 -march=armv7-a -mtune=cortex-a9 -nostdlib -nodefaultlibs -mfloat-abi=soft -fno-pic -static -fno-builtin -fno-strict-aliasing -Wall -ggdb -Wno-unused -Werror -fno-omit-frame-pointer -fno-stack-protector -fno-pie
|
||||
c_useropts = -O2
|
||||
|
||||
INC_DIR = -I$(KERNEL_ROOT)/services/app \
|
||||
|
|
|
|||
|
|
@ -1,15 +1,22 @@
|
|||
ifeq ($(BOARD), imx6q-sabrelite)
|
||||
toolchain ?= arm-none-eabi-
|
||||
cflags = -std=c11 -march=armv7-a -mtune=cortex-a9 -nostdlib -nodefaultlibs -mfloat-abi=soft -fno-pic -static -fno-builtin -fno-strict-aliasing -Wall -ggdb -Wno-unused -Werror -fno-omit-frame-pointer -fno-stack-protector -fno-pie
|
||||
user_ldflags = -N -Ttext 0
|
||||
endif
|
||||
ifeq ($(BOARD), zynq7000-zc702)
|
||||
toolchain ?= arm-xilinx-eabi-
|
||||
cflags = -std=c11 -march=armv7-a -mtune=cortex-a9 -nostdlib -nodefaultlibs -mfloat-abi=soft -fno-pic -static -fno-builtin -fno-strict-aliasing -Wall -ggdb -Wno-unused -Werror -fno-omit-frame-pointer -fno-stack-protector -fno-pie
|
||||
user_ldflags = -N -Ttext 0
|
||||
endif
|
||||
ifeq ($(BOARD), ok1028a-c)
|
||||
toolchain ?= aarch64-none-elf-
|
||||
user_ldflags = -N -Ttext 0
|
||||
cflags = -Wall -g -std=c11 -mtune=cortex-a72 -nostdlib -nodefaultlibs -fno-pic -static -fno-builtin -fno-strict-aliasing -Wall -ggdb -Wno-unused -Werror -fno-omit-frame-pointer -fno-stack-protector -fno-pie
|
||||
endif
|
||||
|
||||
cc = ${toolchain}gcc
|
||||
ld = ${toolchain}g++
|
||||
objdump = ${toolchain}objdump
|
||||
user_ldflags = -N -Ttext 0
|
||||
|
||||
cflags = -std=c11 -march=armv7-a -mtune=cortex-a9 -nostdlib -nodefaultlibs -mfloat-abi=soft -fno-pic -static -fno-builtin -fno-strict-aliasing -Wall -ggdb -Wno-unused -Werror -fno-omit-frame-pointer -fno-stack-protector -fno-pie
|
||||
c_useropts = -O2
|
||||
|
||||
INC_DIR = -I$(KERNEL_ROOT)/services/app \
|
||||
|
|
|
|||
|
|
@ -0,0 +1,3 @@
|
|||
SRC_DIR :=
|
||||
|
||||
include $(KERNEL_ROOT)/compiler.mk
|
||||
|
|
@ -9,6 +9,12 @@ user_ldflags = --start-group,-lgcc,-lc,--end-group
|
|||
cflags = -std=c11 -march=armv7-a -mtune=cortex-a9 -nostdlib -nodefaultlibs -mfloat-abi=soft -fno-pic -static -fno-builtin -fno-strict-aliasing -Wall -ggdb -Wno-unused -Werror -fno-omit-frame-pointer -fno-stack-protector -fno-pie
|
||||
#cflags = -Wall -g -std=c11
|
||||
endif
|
||||
ifeq ($(BOARD), ok1028a-c)
|
||||
toolchain ?= aarch64-none-elf-
|
||||
user_ldflags = -N -Ttext 0
|
||||
cflags = -Wall -g -std=c11 -mtune=cortex-a72 -nostdlib -nodefaultlibs -fno-pic -static -fno-builtin -fno-strict-aliasing -Wall -ggdb -Wno-unused -Werror -fno-omit-frame-pointer -fno-stack-protector -fno-pie
|
||||
endif
|
||||
|
||||
cc = ${toolchain}gcc
|
||||
ld = ${toolchain}g++
|
||||
objdump = ${toolchain}objdump
|
||||
|
|
|
|||
|
|
@ -63,7 +63,8 @@ uint32_t BlockAlloc()
|
|||
}
|
||||
}
|
||||
|
||||
Error("BlockAlloc: out of blocks");
|
||||
printf("BlockAlloc: out of blocks, bit idx: %d, total size: %d\n", bit_index, sb.size);
|
||||
Error("");
|
||||
return 0;
|
||||
}
|
||||
|
||||
|
|
|
|||
|
|
@ -119,9 +119,7 @@ struct Inode* InodeCreate(struct Inode* parent_inode, char* name, int type)
|
|||
/// @brief Delete a file Inode or a dir Inode
|
||||
int InodeDelete(struct Inode* parent_inode, char* name)
|
||||
{
|
||||
uint32_t offset;
|
||||
struct Inode* inode;
|
||||
struct DirectEntry de;
|
||||
|
||||
if ((inode = DirInodeLookup(parent_inode, name)) == 0) {
|
||||
printf("Inode delete failed, file not exsit");
|
||||
|
|
|
|||
|
|
@ -63,11 +63,12 @@ int IPC_DO_SERVE_FUNC(Ipc_ls)(char* path)
|
|||
}
|
||||
|
||||
if (!(ip = InodeSeek(dp, path))) {
|
||||
printf("ls: find target Inode failed, ip: %x(%d), dp: %x(%d)\n", ip, ip->inum, dp, dp->inum);
|
||||
printf("ls: find target Inode failed, dp: %p(%d), path: %s\n", dp, dp->inum, path);
|
||||
return -1;
|
||||
}
|
||||
|
||||
if (ip->type != FS_DIRECTORY) {
|
||||
printf("ls: not a dir\n");
|
||||
printf("ls: not a dir, ip: %d\n", ip->inum);
|
||||
return -1;
|
||||
}
|
||||
|
||||
|
|
@ -364,4 +365,5 @@ int main(int argc, char* argv[])
|
|||
|
||||
// never reached
|
||||
exit(0);
|
||||
return 0;
|
||||
}
|
||||
|
|
|
|||
|
|
@ -1,14 +1,19 @@
|
|||
ifeq ($(BOARD), imx6q-sabrelite)
|
||||
toolchain ?= arm-none-eabi-
|
||||
user_ldflags = -N -Ttext 0
|
||||
cflags = -std=c11 -march=armv7-a -mtune=cortex-a9 -nostdlib -nodefaultlibs -mfloat-abi=soft -fno-pic -static -fno-builtin -fno-strict-aliasing -Wall -ggdb -Wno-unused -Werror -fno-omit-frame-pointer -fno-stack-protector -fno-pie
|
||||
user_ldflags = -N -Ttext 0
|
||||
endif
|
||||
ifeq ($(BOARD), zynq7000-zc702)
|
||||
toolchain ?= arm-xilinx-eabi-
|
||||
user_ldflags = --start-group,-lgcc,-lc,--end-group
|
||||
cflags = -std=c11 -march=armv7-a -mtune=cortex-a9 -nostdlib -nodefaultlibs -mfloat-abi=soft -fno-pic -static -fno-builtin -fno-strict-aliasing -Wall -ggdb -Wno-unused -Werror -fno-omit-frame-pointer -fno-stack-protector -fno-pie
|
||||
#cflags = -Wall -g -std=c11
|
||||
user_ldflags = -N -Ttext 0
|
||||
endif
|
||||
ifeq ($(BOARD), ok1028a-c)
|
||||
toolchain ?= aarch64-none-elf-
|
||||
user_ldflags = -N
|
||||
cflags = -Wall -g -std=c11 -mtune=cortex-a72 -nostdlib -nodefaultlibs -fno-pic -static -fno-builtin -fno-strict-aliasing -Wall -ggdb -Wno-unused -Werror -fno-omit-frame-pointer -fno-stack-protector -fno-pie
|
||||
endif
|
||||
|
||||
cc = ${toolchain}gcc
|
||||
ld = ${toolchain}g++
|
||||
objdump = ${toolchain}objdump
|
||||
|
|
|
|||
|
|
@ -9,6 +9,12 @@ user_ldflags = --start-group,-lgcc,-lc,--end-group
|
|||
cflags = -std=c11 -march=armv7-a -mtune=cortex-a9 -nostdlib -nodefaultlibs -mfloat-abi=soft -fno-pic -static -fno-builtin -fno-strict-aliasing -Wall -ggdb -Wno-unused -Werror -fno-omit-frame-pointer -fno-stack-protector -fno-pie
|
||||
#cflags = -Wall -g -std=c11
|
||||
endif
|
||||
ifeq ($(BOARD), ok1028a-c)
|
||||
toolchain ?= aarch64-none-elf-
|
||||
user_ldflags = -N -Ttext 0
|
||||
cflags = -Wall -g -std=c11 -mtune=cortex-a72 -nostdlib -nodefaultlibs -fno-pic -static -fno-builtin -fno-strict-aliasing -Wall -ggdb -Wno-unused -Werror -fno-omit-frame-pointer -fno-stack-protector -fno-pie
|
||||
endif
|
||||
|
||||
cc = ${toolchain}gcc
|
||||
ld = ${toolchain}g++
|
||||
objdump = ${toolchain}objdump
|
||||
|
|
|
|||
|
|
@ -79,15 +79,26 @@ struct IpcMsg* new_ipc_msg(struct Session* session, const int argc, const int* a
|
|||
bool ipc_msg_set_nth_arg(struct IpcMsg* msg, const int arg_num, const void* const data, const int len)
|
||||
{
|
||||
if (arg_num >= msg->header.nr_args) {
|
||||
printf("[%s] IPC: arg_num out of msg range, arg_num: %d, nr_args: %d\n", __func__, arg_num, msg->header.nr_args);
|
||||
printf("[%s] IPC: arg_num out of msg range, arg_num: %d, nr_args: %u\n", __func__, arg_num, msg->header.nr_args);
|
||||
return false;
|
||||
}
|
||||
struct IpcArgInfo* nth_arg_info = IPCMSG_ARG_INFO(msg, arg_num);
|
||||
if (len > nth_arg_info->len) {
|
||||
printf("[%s] IPC: size of arg out of buffer range, given len: %d, len %d\n", __func__, len, nth_arg_info->len);
|
||||
if (len < 0 || (uint32_t)len > (uint32_t)nth_arg_info->len) {
|
||||
printf("[%s] IPC: size of arg out of buffer range, given len: %d, len %u\n", __func__, len, nth_arg_info->len);
|
||||
return false;
|
||||
}
|
||||
|
||||
void* buf = ipc_msg_get_nth_arg_buf(msg, arg_num);
|
||||
|
||||
// handle attributes of different params
|
||||
if (data == NULL) {
|
||||
nth_arg_info->null_ptr = 1;
|
||||
memset(buf, 0x0, len);
|
||||
return true;
|
||||
} else {
|
||||
nth_arg_info->null_ptr = 0;
|
||||
}
|
||||
|
||||
memmove(buf, data, len);
|
||||
return true;
|
||||
}
|
||||
|
|
@ -109,6 +120,12 @@ bool ipc_msg_get_nth_arg(struct IpcMsg* msg, const int arg_num, void* data, cons
|
|||
printf("[%s] IPC: size of arg out of buffer range", __func__);
|
||||
return false;
|
||||
}
|
||||
|
||||
// handle null ptr: do nothing
|
||||
if (nth_arg_info->null_ptr == 1) {
|
||||
return true;
|
||||
}
|
||||
|
||||
void* buf = ipc_msg_get_nth_arg_buf(msg, arg_num);
|
||||
memmove(data, buf, len);
|
||||
return true;
|
||||
|
|
@ -170,12 +187,6 @@ bool is_cur_handler_been_delayed()
|
|||
return ipc_server_loop_cur_msg->header.delayed == 1;
|
||||
}
|
||||
|
||||
bool server_set_cycle_handler(struct IpcNode* ipc_node, void (*handler)())
|
||||
{
|
||||
ipc_node->cycle_handler = handler;
|
||||
return true;
|
||||
}
|
||||
|
||||
void ipc_server_loop(struct IpcNode* ipc_node)
|
||||
{
|
||||
struct Session session_list[NR_MAX_SESSION];
|
||||
|
|
@ -204,7 +215,6 @@ void ipc_server_loop(struct IpcNode* ipc_node)
|
|||
interfaces[opcode] should explicitly call delay_session() and return to delay this session
|
||||
*/
|
||||
while (ipc_server_loop_cur_msg->header.magic == IPC_MSG_MAGIC && ipc_server_loop_cur_msg->header.valid == 1 && ipc_server_loop_cur_msg->header.done == 0) {
|
||||
// printf("session %d [%d, %d]\n", session_list[i].id, session_list[i].head, session_list[i].tail);
|
||||
if (session_used_size(&session_list[i]) == 0 && session_forward_tail(&session_list[i], ipc_server_loop_cur_msg->header.len) < 0) {
|
||||
break;
|
||||
}
|
||||
|
|
@ -213,13 +223,13 @@ void ipc_server_loop(struct IpcNode* ipc_node)
|
|||
if (ipc_node->interfaces[ipc_server_loop_cur_msg->header.opcode]) {
|
||||
ipc_node->interfaces[ipc_server_loop_cur_msg->header.opcode](ipc_server_loop_cur_msg);
|
||||
// check if this session is delayed by op handler, all messages after the delayed message in current session is blocked.
|
||||
if (is_cur_session_delayed()) {
|
||||
if (ipc_server_loop_cur_msg->header.done == 0) {
|
||||
ipc_server_loop_cur_msg->header.delayed = 1;
|
||||
has_delayed = true;
|
||||
break;
|
||||
}
|
||||
} else {
|
||||
printf("Unsupport opcode(%d) for server: %s\n", ipc_server_loop_cur_msg->header.opcode, ipc_node->name);
|
||||
printf("Unsupport opcode(%u) for server: %s\n", ipc_server_loop_cur_msg->header.opcode, ipc_node->name);
|
||||
}
|
||||
// current msg is a message that needs to ignore
|
||||
// finish this message in server's perspective
|
||||
|
|
@ -233,8 +243,5 @@ void ipc_server_loop(struct IpcNode* ipc_node)
|
|||
ipc_server_loop_cur_msg = NULL;
|
||||
}
|
||||
}
|
||||
if (ipc_node->cycle_handler) {
|
||||
ipc_node->cycle_handler();
|
||||
}
|
||||
}
|
||||
}
|
||||
|
|
@ -60,6 +60,13 @@ typedef struct {
|
|||
struct IpcArgInfo {
|
||||
uint16_t offset;
|
||||
uint16_t len;
|
||||
union {
|
||||
uint16_t attr;
|
||||
struct {
|
||||
uint16_t null_ptr : 1;
|
||||
uint16_t reserved : 15;
|
||||
};
|
||||
};
|
||||
} __attribute__((packed));
|
||||
|
||||
/* [header, ipc_arg_buffer_len[], ipc_arg_buffer[]] */
|
||||
|
|
@ -76,7 +83,6 @@ typedef int (*IpcInterface)(struct IpcMsg* msg);
|
|||
struct IpcNode {
|
||||
char* name;
|
||||
IpcInterface interfaces[UINT8_MAX];
|
||||
void (*cycle_handler)();
|
||||
} __attribute__((packed));
|
||||
|
||||
#define IPC_SERVER_LOOP(ipc_node_name) rpc_server_loop_##rpc_node_name
|
||||
|
|
@ -105,6 +111,10 @@ struct IpcNode {
|
|||
/// @return
|
||||
__attribute__((__always_inline__)) static inline void* ipc_msg_get_nth_arg_buf(struct IpcMsg* msg, int arg_num)
|
||||
{
|
||||
if (IPCMSG_ARG_INFO(msg, arg_num)->null_ptr == 1) {
|
||||
return NULL;
|
||||
}
|
||||
|
||||
return (void*)((char*)msg + IPCMSG_ARG_INFO(msg, arg_num)->offset);
|
||||
}
|
||||
|
||||
|
|
@ -243,6 +253,8 @@ bool is_cur_session_delayed(void);
|
|||
}
|
||||
|
||||
int cur_session_id(void);
|
||||
bool server_set_cycle_handler(struct IpcNode* ipc_node, void (*handler)());
|
||||
/// @brief delay the session(message, or a inter-process-call)
|
||||
/// the delayed call will be handled again later from begining, not from the position where delay_session() is called.
|
||||
/// @param
|
||||
void delay_session(void);
|
||||
bool is_cur_handler_been_delayed();
|
||||
|
|
@ -46,10 +46,10 @@ int free_session(struct Session* session)
|
|||
|
||||
void* session_alloc_buf(struct Session* session, int len)
|
||||
{
|
||||
if (len > session_remain_capacity(session)) {
|
||||
if (len < 0 || len > session_remain_capacity(session)) {
|
||||
return NULL;
|
||||
}
|
||||
void* buf = session->buf + session->tail;
|
||||
void* buf = (void*)((uintptr_t)session->buf + session->tail);
|
||||
// we mapped double size of page, so it's ok to write buffer directly
|
||||
memset(buf, 0, len);
|
||||
session_forward_tail(session, len);
|
||||
|
|
@ -58,7 +58,7 @@ void* session_alloc_buf(struct Session* session, int len)
|
|||
|
||||
bool session_free_buf(struct Session* session, int len)
|
||||
{
|
||||
if (len > session_used_size(session)) {
|
||||
if (len < 0 || len > session_used_size(session)) {
|
||||
return false;
|
||||
}
|
||||
assert(session_forward_head(session, len) != -1);
|
||||
|
|
|
|||
|
|
@ -1,15 +1,23 @@
|
|||
ifeq ($(BOARD), imx6q-sabrelite)
|
||||
toolchain ?= arm-none-eabi-
|
||||
cflags = -std=c11 -march=armv7-a -mtune=cortex-a9 -nostdlib -nodefaultlibs -mfloat-abi=soft -fno-pic -static -fno-builtin -fno-strict-aliasing -Wall -ggdb -Wno-unused -Werror -fno-omit-frame-pointer -fno-stack-protector -fno-pie
|
||||
user_ldflags = -N -Ttext 0
|
||||
endif
|
||||
ifeq ($(BOARD), zynq7000-zc702)
|
||||
toolchain ?= arm-xilinx-eabi-
|
||||
cflags = -std=c11 -march=armv7-a -mtune=cortex-a9 -nostdlib -nodefaultlibs -mfloat-abi=soft -fno-pic -static -fno-builtin -fno-strict-aliasing -Wall -ggdb -Wno-unused -Werror -fno-omit-frame-pointer -fno-stack-protector -fno-pie
|
||||
user_ldflags = -N -Ttext 0
|
||||
endif
|
||||
ifeq ($(BOARD), ok1028a-c)
|
||||
toolchain ?= aarch64-none-elf-
|
||||
user_ldflags = -N -Ttext 0
|
||||
cflags = -Wall -g -std=c11 -mtune=cortex-a72 -nostdlib -nodefaultlibs -fno-pic -static -fno-builtin -fno-strict-aliasing -Wall -ggdb -Wno-unused -Werror -fno-omit-frame-pointer -fno-stack-protector -fno-pie
|
||||
endif
|
||||
|
||||
cc = ${toolchain}gcc
|
||||
ld = ${toolchain}g++
|
||||
objdump = ${toolchain}objdump
|
||||
user_ldflags = -N -Ttext 0
|
||||
|
||||
cflags = -std=c11 -march=armv7-a -mtune=cortex-a9 -nostdlib -nodefaultlibs -mfloat-abi=soft -fno-pic -static -fno-builtin -fno-strict-aliasing -Wall -ggdb -Wno-unused -Werror -fno-omit-frame-pointer -fno-stack-protector -fno-pie
|
||||
c_useropts = -O2
|
||||
|
||||
INC_DIR = -I$(KERNEL_ROOT)/services/app \
|
||||
|
|
|
|||
|
|
@ -41,7 +41,7 @@
|
|||
#define PUT_NOTAG(p, val) (*(unsigned int*)(p) = (val))
|
||||
|
||||
// Store predecessor or successor pointer for free blocks
|
||||
#define SET_PTR(p, ptr) (*(unsigned int*)(p) = (unsigned int)(ptr))
|
||||
#define SET_PTR(p, ptr) (*(uintptr_t*)(p) = (uintptr_t)(ptr))
|
||||
|
||||
// Read the size and allocation bit from address p
|
||||
#define GET_SIZE(p) (GET(p) & ~0x7)
|
||||
|
|
|
|||
Some files were not shown because too many files have changed in this diff Show More
Loading…
Reference in New Issue