Change Service dir structure, erase uncessary hardkernel functions.

This commit is contained in:
TXuian 2024-05-08 15:22:08 +08:00
parent 18eff4334c
commit 3b011500f1
24 changed files with 121 additions and 314 deletions

View File

@ -77,6 +77,10 @@ BOOT_STACK_SIZE = 0x4000;
RAM_VECTORS_SIZE = 72;
/* Specify the memory areas */
/*
ddr3: physical area: [0x10000000, 0x50000000);
virt_ddr3: virt area exclude boot(start_sec), that will be [0x90000000 + 0x11000, 0xD0000000)
*/
MEMORY
{
ocram (rwx) : ORIGIN = 0x00900000, LENGTH = 256K
@ -154,7 +158,7 @@ SECTIONS
PROVIDE(boot_end_addr = .);
} > ddr3
/* Other Kernel code is placed over 0x80000000 + 128KB. */
/* Other Kernel code is placed over 0x10011000(phy) and 0x90011000(virt). */
.text : AT(0x10011000) {
*(.vectors)
. = ALIGN(0x1000);

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@ -156,29 +156,11 @@ static uint32_t _hw_cur_int_num(uint32_t int_info)
return int_info & 0x1FF;
}
static uint32_t _hw_cur_int_cpu(uint32_t int_info)
{
return (int_info >> 10) & 0x7;
}
static void _hw_after_irq(uint32_t int_info)
{
gic_write_end_of_irq(int_info);
}
static int _is_interruptable(void)
{
uint32_t val;
__asm__ __volatile__(
"mrs %0, cpsr"
: "=r"(val)
:
:);
return !(val & DIS_INT);
}
int _cur_cpu_id()
{
return cpu_get_current();
@ -196,10 +178,8 @@ static struct XiziTrapDriver xizi_trap_driver = {
.bind_irq_handler = _bind_irq_handler,
.is_interruptable = _is_interruptable,
.hw_before_irq = _hw_before_irq,
.hw_cur_int_num = _hw_cur_int_num,
.hw_cur_int_cpu = _hw_cur_int_cpu,
.hw_after_irq = _hw_after_irq,
};

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@ -163,29 +163,11 @@ static uint32_t _hw_cur_int_num(uint32_t int_info)
return int_info & XSCUGIC_ACK_INTID_MASK;
}
static uint32_t _hw_cur_int_cpu(uint32_t int_info)
{
return (int_info >> 5) & 0x3;
}
static void _hw_after_irq(uint32_t int_info)
{
XScuGic_CPUWriteReg(&IntcInstance, XSCUGIC_EOI_OFFSET, int_info);
}
static int _is_interruptable(void)
{
uint32_t val;
__asm__ __volatile__(
"mrs %0, cpsr"
: "=r"(val)
:
:);
return !(val & DIS_INT);
}
int _cur_cpu_id()
{
return cpu_get_current();
@ -203,10 +185,8 @@ static struct XiziTrapDriver xizi_trap_driver = {
.bind_irq_handler = _bind_irq_handler,
.is_interruptable = _is_interruptable,
.hw_before_irq = _hw_before_irq,
.hw_cur_int_num = _hw_cur_int_num,
.hw_cur_int_cpu = _hw_cur_int_cpu,
.hw_after_irq = _hw_after_irq,
};

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@ -56,8 +56,6 @@ struct irq_table_entry {
struct XiziTrapDriver {
/* irq number table*/
struct irq_table_entry sw_irqtbl[NR_IRQS];
/* current irq number happening in cpu*/
uint32_t curr_int[NR_CPU];
void (*sys_irq_init)(int);
int (*cur_cpu_id)();
@ -71,11 +69,9 @@ struct XiziTrapDriver {
void (*bind_irq_handler)(int, irq_handler_t);
/* check if no if interruptable */
int (*is_interruptable)();
/* code runs before irq handling */
uint32_t (*hw_before_irq)();
uint32_t (*hw_cur_int_num)(uint32_t int_info);
uint32_t (*hw_cur_int_cpu)(uint32_t int_info);
/* code runs after irq handling */
void (*hw_after_irq)(uint32_t int_info);
};

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@ -38,24 +38,6 @@ Modification:
// extern struct MmuCommonDone mmu_common_done;
static struct MmuDriverRightGroup right_group;
void load_pgdir_critical(uintptr_t pgdir_paddr, struct TraceTag* intr_driver_tag)
{
/* 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);
/* get intr driver */
struct XiziTrapDriver* p_intr_driver = AchieveResource(intr_driver_tag);
p_intr_driver->cpu_irq_disable();
TTBR0_W((uint32_t)pgdir_paddr);
CLEARTLB(0);
p_icache_done->invalidateall();
p_dcache_done->flushall();
p_intr_driver->cpu_irq_enable();
}
void load_pgdir(uintptr_t pgdir_paddr)
{
/* get cache driver */
@ -94,7 +76,6 @@ static struct MmuCommonDone mmu_common_done = {
.MmuUsrDevPteAttr = GetUsrDevPteAttr,
.MmuKernPteAttr = GetKernPteAttr,
.LoadPgdirCrit = load_pgdir_critical,
.LoadPgdir = load_pgdir,
.TlbFlushAll = tlb_flush_all,
.TlbFlush = tlb_flush_range,

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@ -27,7 +27,6 @@ struct MmuCommonDone
void (*MmuUsrDevPteAttr)(uintptr_t* attr);
void (*MmuKernPteAttr)(uintptr_t* attr);
void (*LoadPgdirCrit)(uintptr_t pgdir_paddr, struct TraceTag*);
void (*LoadPgdir)(uintptr_t pgdir_paddr);
void (*TlbFlushAll)();
void (*TlbFlush)(uintptr_t vaddr, int len);

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@ -19,6 +19,8 @@ c_useropts = -O0
INC_DIR = -I$(KERNEL_ROOT)/services/shell/letter-shell \
-I$(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/fs/libfs \
-I$(KERNEL_ROOT)/services/boards/$(BOARD) \
-I$(KERNEL_ROOT)/services/app
@ -37,44 +39,44 @@ bin:
@mkdir -p bin
ifeq ($(BOARD), imx6q-sabrelite)
test_irq_send: test_irq_sender.o usyscall.o libserial.o
test_irq_send: test_irq_sender.o usyscall.o arch_usyscall.o libserial.o
@${ld} ${user_ldflags} -e main -o $@ $^ ${board_specs}
@${objdump} -S $@ > $@.asm
endif
test_irq_block: test_irq_block.o libserial.o libipc.o session.o usyscall.o libmem.o
test_irq_block: test_irq_block.o libserial.o libipc.o session.o usyscall.o arch_usyscall.o libmem.o
@${ld} ${user_ldflags} -e main -o $@ $^ ${board_specs}
@${objdump} -S $@ > $@.asm
test_irq_hdlr: test_irq_handler.o libserial.o libipc.o session.o usyscall.o libmem.o
test_irq_hdlr: test_irq_handler.o libserial.o libipc.o session.o usyscall.o arch_usyscall.o libmem.o
@${ld} ${user_ldflags} -e main -o $@ $^ ${board_specs}
@${objdump} -S $@ > $@.asm
shell: shell_port.o libserial.o shell_cmd_list.o shell.o shell_ext.o libfs_to_client.o libipc.o session.o usyscall.o libmem.o
shell: shell_port.o libserial.o shell_cmd_list.o shell.o shell_ext.o libfs_to_client.o libipc.o session.o usyscall.o arch_usyscall.o libmem.o
@${ld} ${user_ldflags} -e main -o $@ $^ ${board_specs}
@${objdump} -S $@ > $@.asm
init: init.o libfs_to_client.o libipc.o session.o libserial.o usyscall.o libmem.o
init: init.o libfs_to_client.o libipc.o session.o libserial.o usyscall.o arch_usyscall.o libmem.o
@${ld} ${user_ldflags} -e main -o $@ $^ ${board_specs}
@${objdump} -S $@ > $@.asm
test_fs: test_fs.o libfs_to_client.o libipc.o session.o libserial.o usyscall.o libmem.o
test_fs: test_fs.o libfs_to_client.o libipc.o session.o libserial.o usyscall.o arch_usyscall.o libmem.o
@${ld} ${user_ldflags} -e main -o $@ $^ ${board_specs}
@${objdump} -S $@ > $@.asm
simple_client: simple_client.o libserial.o libipc.o session.o simple_service.o libfs_to_client.o usyscall.o libmem.o
simple_client: simple_client.o libserial.o libipc.o session.o simple_service.o libfs_to_client.o usyscall.o arch_usyscall.o libmem.o
@${ld} ${user_ldflags} -e main -o $@ $^ ${board_specs}
@${objdump} -S $@ > $@.asm
simple_server: simple_server.o libserial.o libipc.o session.o simple_service.o usyscall.o libmem.o
simple_server: simple_server.o libserial.o libipc.o session.o simple_service.o usyscall.o arch_usyscall.o libmem.o
@${ld} ${user_ldflags} -e main -o $@ $^ ${board_specs}
@${objdump} -S $@ > $@.asm
fs_server: fs_server.o libfs_to_client.o fs.o libserial.o libipc.o session.o block_io.o usyscall.o libmem.o
fs_server: fs_server.o libfs_to_client.o fs.o libserial.o libipc.o session.o block_io.o usyscall.o arch_usyscall.o libmem.o
@${ld} ${user_ldflags} -e main -o $@ $^ ${board_specs}
@${objdump} -S $@ > $@.asm
test_priority: test_priority.o libserial.o usyscall.o libmem.o
test_priority: test_priority.o libserial.o usyscall.o arch_usyscall.o libmem.o
@${ld} ${user_ldflags} -e main -o $@ $^ ${board_specs}
@${objdump} -S $@ > $@.asm

View File

@ -15,10 +15,12 @@ c_useropts = -O0
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 usyscall.o test_irq_sender.o
board: libserial.o arch_usyscall.o test_irq_sender.o
@mv $^ ../../app
%.o: %.c

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@ -9,10 +9,25 @@
* MERCHANTABILITY OR FIT FOR A PARTICULAR PURPOSE.
* See the Mulan PSL v2 for more details.
*/
#include "usyscall.h"
/// this file is only used for debug
#pragma once
int syscall(int sys_num, intptr_t a1, intptr_t a2, intptr_t a3, intptr_t a4)
{
int ret = -1;
void printf(char* fmt, ...);
__asm__ volatile(
"mov r0, %1;\
mov r1, %2;\
mov r2, %3;\
mov r3, %4;\
mov r4, %5;\
swi 0;\
dsb;\
isb;\
mov %0, r0"
: "=r"(ret)
: "r"(sys_num), "r"(a1), "r"(a2), "r"(a3), "r"(a4)
: "memory", "r0", "r1", "r2", "r3", "r4");
char getc();
return ret;
}

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@ -19,10 +19,12 @@ INC_DIR = -I$(KERNEL_ROOT)/services/fs/libfs \
-I$(KERNEL_ROOT)/services/fs/fs_server/include \
-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 stub.o usyscall.o
board: libserial.o stub.o arch_usyscall.o
@mv $^ ../../app
%.o: %.c

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@ -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 r0, %1;\
mov r1, %2;\
mov r2, %3;\
mov r3, %4;\
mov r4, %5;\
swi 0;\
dsb;\
isb;\
mov %0, r0"
: "=r"(ret)
: "r"(sys_num), "r"(a1), "r"(a2), "r"(a3), "r"(a4)
: "memory", "r0", "r1", "r2", "r3", "r4");
return ret;
}

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@ -1,124 +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.
*/
#include "usyscall.h"
#include "libmem.h"
static int
syscall(int sys_num, intptr_t a1, intptr_t a2, intptr_t a3, intptr_t a4)
{
int ret = -1;
__asm__ volatile(
"mov r0, %1;\
mov r1, %2;\
mov r2, %3;\
mov r3, %4;\
mov r4, %5;\
swi 0;\
dsb;\
isb;\
mov %0, r0"
: "=r"(ret)
: "r"(sys_num), "r"(a1), "r"(a2), "r"(a3), "r"(a4)
: "memory", "r0", "r1", "r2", "r3", "r4");
return ret;
}
int spawn(struct Session* session, int fd, ipc_read_fn ipc_read, ipc_fsize_fn ipc_fsize, char* name, char** argv)
{
int file_size = ipc_fsize(session, fd);
void* img = malloc(file_size);
int read_len = 0, cur_read_len = 0;
while (read_len < file_size) {
cur_read_len = file_size - read_len < 4096 ? file_size - read_len : 4096;
read_len += ipc_read(session, fd, img + read_len, read_len, cur_read_len);
}
int ret = syscall(SYSCALL_SPAWN, (intptr_t)img, (intptr_t)name, (intptr_t)argv, 0);
free(img);
return ret;
}
int exit()
{
return syscall(SYSCALL_EXIT, 0, 0, 0, 0);
}
int yield(task_yield_reason reason)
{
return syscall(SYSCALL_YIELD, (uintptr_t)reason, 0, 0, 0);
}
int kill(int pid)
{
return syscall(SYSCALL_KILL, (intptr_t)pid, 0, 0, 0);
}
int register_server(char* name)
{
return syscall(SYSCALL_SERVER, (intptr_t)name, 0, 0, 0);
}
int session(char* path, int capacity, struct Session* user_session)
{
return syscall(SYSCALL_SESSION, (intptr_t)path, (intptr_t)capacity, (intptr_t)user_session, 0);
}
int poll_session(struct Session* userland_session_arr, int arr_capacity)
{
return syscall(SYSCALL_POLL_SESSION, (intptr_t)userland_session_arr, (intptr_t)arr_capacity, 0, 0);
}
int close_session(struct Session* session)
{
return syscall(SYSCALL_CLOSE_SESSION, (intptr_t)session, 0, 0, 0);
}
int get_memblock_info(sys_state_info* info)
{
return syscall(SYSCALL_SYS_STATE, SYS_STATE_MEMBLOCK_INFO, (intptr_t)info, 0, 0);
}
int set_priority(sys_state_info* info)
{
return syscall(SYSCALL_SYS_STATE, SYS_STATE_SET_TASK_PRIORITY, (intptr_t)info, 0, 0);
}
int task_heap_base()
{
return syscall(SYSCALL_SYS_STATE, SYS_STATE_GET_HEAP_BASE, 0, 0, 0);
}
int show_task()
{
return syscall(SYSCALL_SYS_STATE, SYS_STATE_SHOW_TASKS, 0, 0, 0);
}
int show_mem()
{
return syscall(SYSCALL_SYS_STATE, SYS_STATE_SHOW_MEM_INFO, 0, 0, 0);
}
int show_cpu()
{
return syscall(SYSCALL_SYS_STATE, SYS_STATE_SHOW_CPU_INFO, 0, 0, 0);
}
int mmap(uintptr_t vaddr, uintptr_t paddr, int len, bool is_dev)
{
return syscall(SYSCALL_MMAP, vaddr, paddr, (intptr_t)len, (intptr_t)is_dev);
}
int register_irq(int irq, int opcode)
{
return syscall(SYSCALL_REGISTER_IRQ, (intptr_t)irq, (intptr_t)opcode, 0, 0);
}

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@ -1,80 +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.
*/
#pragma once
#include <stdint.h>
#include "libserial.h"
#include "session.h"
// clang-format off
#define SYSCALL_TEST 0
#define SYSCALL_SPAWN 1 // generate a brand new task to run elf
#define SYSCALL_EXIT 2 // exit task, delete the task cb
#define SYSCALL_YIELD 3 // yield task, go to scheduler
#define SYSCALL_MMAP 4 // map a virt page to phy page
#define SYSCALL_SERVER 5 // register current task as a server
#define SYSCALL_SESSION 6 // create a session to a server
#define SYSCALL_POLL_SESSION 7 // server poll for it's server sessions
#define SYSCALL_CLOSE_SESSION 8 // client close it's client sessions
#define SYSCALL_EXEC 9 // run elf using current task
#define SYSCALL_SYS_STATE 10 // run system state
#define SYSCALL_REGISTER_IRQ 11 //
#define SYSCALL_KILL 12 // kill the task by id
// clang-format on
typedef enum {
SYS_STATE_TEST = 0,
SYS_STATE_SET_TASK_PRIORITY,
SYS_STATE_GET_HEAP_BASE,
SYS_STATE_MEMBLOCK_INFO,
SYS_STATE_SHOW_TASKS,
SYS_STATE_SHOW_MEM_INFO,
SYS_STATE_SHOW_CPU_INFO,
} sys_state_option;
typedef enum {
SYS_TASK_YIELD_NO_REASON = 0x0,
SYS_TASK_YIELD_FOREVER = 0x1,
SYS_TASK_YIELD_BLOCK_IPC = 0x2,
} task_yield_reason;
typedef union {
struct {
uintptr_t memblock_start;
uintptr_t memblock_end;
} memblock_info;
int priority;
} sys_state_info;
typedef int (*ipc_read_fn)(struct Session* session, int fd, char* dst, int offset, int len);
typedef int (*ipc_fsize_fn)(struct Session* session, int fd);
typedef int (*ipc_write_fn)(struct Session* session, int fd, char* src, int offset, int len);
int spawn(struct Session* session, int fd, ipc_read_fn ipc_read, ipc_fsize_fn ipc_fsize, char* name, char** argv);
int exit();
int yield(task_yield_reason reason);
int kill(int pid);
int register_server(char* name);
int session(char* path, int capacity, struct Session* user_session);
int poll_session(struct Session* userland_session_arr, int arr_capacity);
int close_session(struct Session* session);
int task_heap_base();
int get_memblock_info(sys_state_info* info);
int set_priority(sys_state_info* info);
int show_task();
int show_mem();
int show_cpu();
int mmap(uintptr_t vaddr, uintptr_t paddr, int len, bool is_dev);
int register_irq(int irq, int opcode);

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@ -19,6 +19,8 @@ INC_DIR = -I$(KERNEL_ROOT)/services/fs/libfs \
-I$(KERNEL_ROOT)/services/fs/fs_server/include \
-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

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@ -18,6 +18,8 @@ c_useropts = -O0
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

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@ -1,4 +1,4 @@
SRC_DIR := ipc memory
SRC_DIR := ipc memory usyscall
include $(KERNEL_ROOT)/compiler.mk

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@ -17,6 +17,8 @@ c_useropts = -O0
INC_DIR = -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

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@ -16,6 +16,8 @@ INC_DIR = -I$(KERNEL_ROOT)/services/app \
-I$(KERNEL_ROOT)/services/fs/libfs \
-I$(KERNEL_ROOT)/services/boards/$(BOARD) \
-I$(KERNEL_ROOT)/services/lib/memory \
-I$(KERNEL_ROOT)/services/lib/serial \
-I$(KERNEL_ROOT)/services/lib/usyscall \
-I$(KERNEL_ROOT)/services/lib/ipc
all: libmem.o

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@ -0,0 +1,28 @@
ifeq ($(BOARD), imx6q-sabrelite)
toolchain ?= arm-none-eabi-
endif
ifeq ($(BOARD), zynq7000-zc702)
toolchain ?= arm-xilinx-eabi-
endif
cc = ${toolchain}gcc
ld = ${toolchain}g++
objdump = ${toolchain}objdump
user_ldflags = -N -Ttext 0
cflags = -std=c11 -march=armv7-a -mtune=cortex-a9 -nostdlib -nodefaultlibs -mfloat-abi=soft -fno-pic -static -fno-builtin -fno-strict-aliasing -Wall -ggdb -Wno-unused -Werror -fno-omit-frame-pointer -fno-stack-protector -fno-pie
c_useropts = -O0
INC_DIR = -I$(KERNEL_ROOT)/services/app \
-I$(KERNEL_ROOT)/services/fs/libfs \
-I$(KERNEL_ROOT)/services/boards/$(BOARD) \
-I$(KERNEL_ROOT)/services/lib/memory \
-I$(KERNEL_ROOT)/services/lib/serial \
-I$(KERNEL_ROOT)/services/lib/usyscall \
-I$(KERNEL_ROOT)/services/lib/ipc
all: usyscall.o
@mv $^ ../../app
%.o: %.c
@echo "cc $^"
@${cc} ${cflags} ${c_useropts} ${INC_DIR} -o $@ -c $^

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@ -12,28 +12,6 @@
#include "usyscall.h"
#include "libmem.h"
static int
syscall(int sys_num, intptr_t a1, intptr_t a2, intptr_t a3, intptr_t a4)
{
int ret = -1;
__asm__ volatile(
"mov r0, %1;\
mov r1, %2;\
mov r2, %3;\
mov r3, %4;\
mov r4, %5;\
swi 0;\
dsb;\
isb;\
mov %0, r0"
: "=r"(ret)
: "r"(sys_num), "r"(a1), "r"(a2), "r"(a3), "r"(a4)
: "memory", "r0", "r1", "r2", "r3", "r4");
return ret;
}
int spawn(struct Session* session, int fd, ipc_read_fn ipc_read, ipc_fsize_fn ipc_fsize, char* name, char** argv)
{
int file_size = ipc_fsize(session, fd);

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@ -62,6 +62,8 @@ typedef int (*ipc_read_fn)(struct Session* session, int fd, char* dst, int offse
typedef int (*ipc_fsize_fn)(struct Session* session, int fd);
typedef int (*ipc_write_fn)(struct Session* session, int fd, char* src, int offset, int len);
int syscall(int sys_num, intptr_t a1, intptr_t a2, intptr_t a3, intptr_t a4);
int spawn(struct Session* session, int fd, ipc_read_fn ipc_read, ipc_fsize_fn ipc_fsize, char* name, char** argv);
int exit();
int yield(task_yield_reason reason);

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@ -18,6 +18,8 @@ c_useropts = -O0
INC_DIR = -I$(KERNEL_ROOT)/services/app \
-I$(KERNEL_ROOT)/services/fs/libfs \
-I$(KERNEL_ROOT)/services/lib/memory \
-I$(KERNEL_ROOT)/services/lib/serial \
-I$(KERNEL_ROOT)/services/lib/usyscall \
-I$(KERNEL_ROOT)/services/lib/ipc \
-I$(KERNEL_ROOT)/services/boards/$(BOARD)

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@ -46,11 +46,11 @@ bool intr_distributer_init(struct IrqDispatcherRightGroup* _right_group)
return p_intr_driver != NULL;
}
void default_interrupt_routine(void)
void default_interrupt_routine(int irq)
{
/* default handler borrow the rights of dispatcher */
///@todo Support other cores. (currently assume that CPU_0 is used)
ERROR("Interrupt %d has been asserted\n", p_intr_driver->curr_int[0]);
ERROR("Interrupt %d has been asserted\n", irq);
}
extern void context_switch(struct context**, struct context*);
@ -69,20 +69,19 @@ void intr_irq_dispatch(struct trapframe* tf)
assert(current_task != NULL);
current_task->main_thread.trapframe = tf;
unsigned cpu = p_intr_driver->hw_cur_int_cpu(int_info);
int cpu = cur_cpuid();
assert(cpu >= 0 && cpu < NR_CPU);
unsigned irq = p_intr_driver->hw_cur_int_num(int_info);
p_intr_driver->curr_int[cpu] = irq;
// distribute irq
irq_handler_t isr = p_intr_driver->sw_irqtbl[irq].handler;
if (isr != NULL) {
isr(irq, tf, NULL);
} else {
default_interrupt_routine();
default_interrupt_routine(irq);
}
// finish irq.
p_intr_driver->curr_int[cpu] = 0;
p_intr_driver->hw_after_irq(int_info);
if (cur_cpu()->task == NULL || current_task->state != RUNNING) {