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1、【完善】获取 PSP 、MSP 及 SP 寄存器函数，增强兼容性。

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Signed-off-by: armink <armink.ztl@gmail.com>
This commit is contained in:
armink
2017-04-29 21:59:05 +08:00
parent 8aae96fc28
commit 390541a413
4 changed files with 47 additions and 39 deletions
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cm_backtrace/cmb_def.h
+40 -5
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@@ -34,7 +34,7 @@
#include <stdlib.h>
/* library software version number */
#define CMB_SW_VERSION "0.2.0"
#define CMB_SW_VERSION "0.2.1"
#define CMB_CPU_ARM_CORTEX_M0 0
#define CMB_CPU_ARM_CORTEX_M3 1
@@ -314,16 +314,51 @@ if (!(EXPR)) \
#endif /* (CMB_OS_PLATFORM_TYPE == CMB_OS_PLATFORM_RTT) */
#endif /* (defined(CMB_USING_BARE_METAL_PLATFORM) && defined(CMB_USING_OS_PLATFORM)) */
/* include or export for supported, __get_SP function */
/* include or export for supported cmb_get_msp, cmb_get_psp and cmb_get_sp function */
#if defined(__CC_ARM)
static __inline __asm uint32_t __get_SP(void) {
static __inline __asm uint32_t cmb_get_msp(void) {
mrs r0, msp
bx lr
}
static __inline __asm uint32_t cmb_get_psp(void) {
mrs r0, psp
bx lr
}
static __inline __asm uint32_t cmb_get_sp(void) {
mov r0, sp
bx lr
}
#elif defined(__ICCARM__)
#include <intrinsics.h>
static uint32_t cmb_get_msp(void)
{
register uint32_t result;
__asm("MRS %0, msp" : "=r" (result));
return(result);
}
static uint32_t cmb_get_psp(void)
{
register uint32_t result;
__asm("MRS %0, psp" : "=r" (result));
return(result);
}
static uint32_t cmb_get_sp(void)
{
register uint32_t result;
__asm("MOV %0, sp" : "=r" (result));
return(result);
}
#elif defined(__GNUC__)
__attribute__( ( always_inline ) ) static inline uint32_t __get_SP(void) {
__attribute__( ( always_inline ) ) static inline uint32_t cmb_get_msp(void) {
register uint32_t result;
__asm volatile ("MRS %0, msp\n" : "=r" (result) );
return(result);
}
__attribute__( ( always_inline ) ) static inline uint32_t cmb_get_psp(void) {
register uint32_t result;
__asm volatile ("MRS %0, psp\n" : "=r" (result) );
return(result);
}
__attribute__( ( always_inline ) ) static inline uint32_t cmb_get_sp(void) {
register uint32_t result;
__asm volatile ("MOV %0, sp\n" : "=r" (result) );
return(result);