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fix cortex m0/m0+ fault backtrace in armcc

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1. no support for mrseq for cortex m0/m0+ cpu instructions set
This commit is contained in:
daishengdong
2020-06-03 17:26:37 +08:00
parent 479dc02d79
commit f7195c79a7
11 changed files with 49 additions and 29 deletions
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28
arch/arm/arm-v7m/cortex-m0+/armcc/port_c.c
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@@ -95,7 +95,7 @@ __PORT__ void port_standby_mode_enter(void)
#if TOS_CFG_FAULT_BACKTRACE_EN > 0u
__PORT__ void port_fault_diagnosis(void)
{
k_fault_log_writer("fault diagnosis does not supported in CORTEX M0\n");
k_fault_log_writer("fault diagnosis is not supported in CORTEX M0+\n");
}
/*------------------ RealView Compiler -----------------*/
@@ -107,10 +107,16 @@ __PORT__ __ASM__ void HardFault_Handler(void)
IMPORT fault_backtrace
MOV r0, lr
TST lr, #0x04
ITE EQ
MRSEQ r1, MSP
MRSNE r1, PSP
MOVS r1, #0x04
TST r0, r1
BEQ _LD_MSP
MRS r1, PSP
B _EXIT
_LD_MSP
MRS r1, MSP
_EXIT
BL fault_backtrace
}
@@ -121,10 +127,14 @@ __PORT__ void __NAKED__ HardFault_Handler(void)
{
__ASM__ __VOLATILE__ (
"MOV r0, lr\n\t"
"TST lr, #0x04\n\t"
"ITE EQ\n\t"
"MRSEQ r1, MSP\n\t"
"MRSNE r1, PSP\n\t"
"MOVS r1, #0x04\n\t"
"TST r0, r1\n\t"
"BEQ _LD_MSP\n\t"
"MRS r1, PSP\n\t"
"B _EXIT\n\t"
"_LD_MSP:\n\t"
"MRS r1, MSP\n\t"
"_EXIT:\n\t"
"BL fault_backtrace\n\t"
);
}

2
arch/arm/arm-v7m/cortex-m0+/gcc/port_c.c
View File

@@ -95,7 +95,7 @@ __PORT__ void port_standby_mode_enter(void)
#if TOS_CFG_FAULT_BACKTRACE_EN > 0u
__PORT__ void port_fault_diagnosis(void)
{
k_fault_log_writer("fault diagnosis does not supported in CORTEX M0\n");
k_fault_log_writer("fault diagnosis is not supported in CORTEX M0+\n");
}
/*------------------ RealView Compiler -----------------*/

2
arch/arm/arm-v7m/cortex-m0+/iccarm/port_c.c
View File

@@ -95,7 +95,7 @@ __PORT__ void port_standby_mode_enter(void)
#if TOS_CFG_FAULT_BACKTRACE_EN > 0u
__PORT__ void port_fault_diagnosis(void)
{
k_fault_log_writer("fault diagnosis does not supported in CORTEX M0\n");
k_fault_log_writer("fault diagnosis is not supported in CORTEX M0+\n");
}
/*------------------ RealView Compiler -----------------*/