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kernel: add the boot and interrupt code for cortex-m0

This commit is contained in:
Gujinyu 2021-08-30 20:58:50 +08:00
parent 0ddb5bfd1f
commit aa23836c9a
5 changed files with 311 additions and 0 deletions
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3
Ubiquitous/XiUOS/arch/arm/cortex-m0/Makefile
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SRC_FILES := boot.c interrupt.c interrupt_vector.S
include $(KERNEL_ROOT)/compiler.mk

28
Ubiquitous/XiUOS/arch/arm/cortex-m0/arch_interrupt.h Normal file
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/*
* 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 ARCH_INTERRUPT_H__
#define ARCH_INTERRUPT_H__
#include <xs_base.h>
#define ARCH_MAX_IRQ_NUM (48)
#define ARCH_IRQ_NUM_OFFSET 0
#define SYSTICK_IRQN 15
#define UART1_IRQn 18
int32 ArchEnableHwIrq(uint32 irq_num);
int32 ArchDisableHwIrq(uint32 irq_num);
#endif

75
Ubiquitous/XiUOS/arch/arm/cortex-m0/boot.c Normal file
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//*****************************************************************************
//
// startup_gcc.c - Startup code for use with GNU tools.
//
// Copyright (c) 2013 Texas Instruments Incorporated. All rights reserved.
// Software License Agreement
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions
// are met:
//
// Redistributions of source code must retain the above copyright
// notice, this list of conditions and the following disclaimer.
//
// 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.
//
// Neither the name of Texas Instruments Incorporated 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
// OWNER 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.
//
// This is part of revision 10636 of the Stellaris Firmware Development Package.
//
//*****************************************************************************
/**
* @file boot.c
* @brief derived from Stellaris Firmware Development Package
* @version 1.0
* @author AIIT XUOS Lab
* @date 2021-05-13
*/
/*************************************************
File name: boot.c
Description: Reset and init function
Others:
History:
1. Date: 2021-05-13
Author: AIIT XUOS Lab
Modification:
1. take startup_gcc.c from revision 10636 of the Stellaris Firmware Development Package for XiUOS
*************************************************/
extern unsigned _sdata[], _edata[],
_sbss[], _ebss[], _etext[], _sidata[];
extern int entry(void);
void
Reset_Handler(void)
{
unsigned *p, *q;
p = _sdata; q = _sidata;
while (p < _edata) *p++ = *q++;
p = _sbss;
while (p < _ebss) *p++ = 0;
entry();
}

83
Ubiquitous/XiUOS/arch/arm/cortex-m0/interrupt.c Normal file
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/*
* 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 interrupt.c
* @brief support arm cortex-m4 interrupt function
* @version 1.0
* @author AIIT XUOS Lab
* @date 2021-04-29
*/
#include <xs_base.h>
#include <xs_isr.h>
x_base __attribute__((naked)) DisableLocalInterrupt()
{
asm volatile ("MRS r0, PRIMASK");
asm volatile ("CPSID I");
asm volatile ("BX LR ");
}
void __attribute__((naked)) EnableLocalInterrupt(x_base level)
{
asm volatile ("MSR PRIMASK, r0");
asm volatile ("BX LR");
}
int32 ArchEnableHwIrq(uint32 irq_num)
{
return EOK;
}
int32 ArchDisableHwIrq(uint32 irq_num)
{
return EOK;
}
extern void KTaskOsAssignAfterIrq(void *context);
void IsrEntry()
{
uint32 ipsr;
__asm__ volatile("MRS %0, IPSR" : "=r"(ipsr));
isrManager.done->incCounter();
isrManager.done->handleIrq(ipsr);
KTaskOsAssignAfterIrq(NONE);
isrManager.done->decCounter();
}
void UsageFault_Handler(int irqn, void *arg)
{
/* Go to infinite loop when Usage Fault exception occurs */
while (1)
{
}
}
void BusFault_Handler(int irqn, void *arg)
{
/* Go to infinite loop when Bus Fault exception occurs */
while (1)
{
}
}
void NMI_Handler(int irqn, void *arg)
{
while (1)
{
}
}

122
Ubiquitous/XiUOS/arch/arm/cortex-m0/interrupt_vector.S Normal file
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//*****************************************************************************
//
// startup_gcc.c - Startup code for use with GNU tools.
//
// Copyright (c) 2013 Texas Instruments Incorporated. All rights reserved.
// Software License Agreement
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions
// are met:
//
// Redistributions of source code must retain the above copyright
// notice, this list of conditions and the following disclaimer.
//
// 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.
//
// Neither the name of Texas Instruments Incorporated 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
// OWNER 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.
//
// This is part of revision 10636 of the Stellaris Firmware Development Package.
//
//*****************************************************************************
/**
* @file interrupt_vector.S
* @brief derived from Stellaris Firmware Development Package
* @version 1.0
* @author AIIT XUOS Lab
* @date 2021-05-13
*/
/*************************************************
File name: interrupt_vector.S
Description: vector table for a Cortex M3
Others:
History:
1. Date: 2021-05-13
Author: AIIT XUOS Lab
Modification:
1. take startup_gcc.c from revision 10636 of the Stellaris Firmware Development Package for XiUOS
*************************************************/
//*****************************************************************************
//
// The vector table. Note that the proper constructs must be placed on this to
// ensure that it ends up at physical address 0x0000.0000.
//
//*****************************************************************************
.globl InterruptVectors
/******************************************************************************
*******************************************************************************/
.section .isr_vector,"a",%progbits
.type InterruptVectors, %object
.size InterruptVectors, .-InterruptVectors
InterruptVectors:
.word _sp
.word Reset_Handler
.word NMI_Handler // NMI_Handler
.word HardFaultHandler
.word MemFaultHandler // MemManage_Handler
.word BusFault_Handler // BusFault_Handler
.word UsageFault_Handler // UsageFault_Handler
.word IsrEntry
.word IsrEntry
.word IsrEntry
.word IsrEntry
.word IsrEntry // SVC_Handler
.word IsrEntry // DebugMon_Handler
.word IsrEntry
.word PendSV_Handler // PendSV_Handler
.word IsrEntry // systick
.word IsrEntry
.word IsrEntry
.word IsrEntry // UART
.word IsrEntry
.word IsrEntry
.word IsrEntry
.word IsrEntry
.word IsrEntry
.word IsrEntry
.word IsrEntry
.word IsrEntry
.word IsrEntry
.word IsrEntry
.word IsrEntry
.word IsrEntry
.word IsrEntry
.word IsrEntry
.word IsrEntry
.word IsrEntry
.word IsrEntry
.word IsrEntry
.word IsrEntry
.word IsrEntry
.word IsrEntry
.word IsrEntry
.word IsrEntry
.word IsrEntry
.word IsrEntry
.word IsrEntry
.word IsrEntry
.word IsrEntry