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Merge pull request #5345 from jiladahe1997/master 

[bugfix] libcpu/arm/cortex-m/context_gcc: 修复thumb指令集汇编语法错误
This commit is contained in:
Bernard Xiong 2022-01-14 22:36:14 +08:00 committed by GitHub
parent 16806a1496 433e5f8147
commit 5decbb5170
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GPG Key ID: 4AEE18F83AFDEB23
3 changed files with 10 additions and 0 deletions
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2
libcpu/arm/cortex-m33/context_gcc.S
View File

@ -143,6 +143,7 @@ contex_ns_store:
#if defined (__VFP_FP__) && !defined(__SOFTFP__)
TST lr, #0x10 /* if(!EXC_RETURN[4]) */
IT EQ
VSTMDBEQ r1!, {d8 - d15} /* push FPU register s16~s31 */
#endif
@ -187,6 +188,7 @@ contex_ns_load:
#if defined (__VFP_FP__) && !defined(__SOFTFP__)
TST lr, #0x10 /* if(!EXC_RETURN[4]) */
IT EQ
VLDMIAEQ r1!, {d8 - d15} /* pop FPU register s16~s31 */
#endif

4
libcpu/arm/cortex-m4/context_gcc.S
View File

@ -107,6 +107,7 @@ PendSV_Handler:
#if defined (__VFP_FP__) && !defined(__SOFTFP__)
TST lr, #0x10 /* if(!EXC_RETURN[4]) */
IT EQ
VSTMDBEQ r1!, {d8 - d15} /* push FPU register s16~s31 */
#endif
@ -116,6 +117,7 @@ PendSV_Handler:
MOV r4, #0x00 /* flag = 0 */
TST lr, #0x10 /* if(!EXC_RETURN[4]) */
IT EQ
MOVEQ r4, #0x01 /* flag = 1 */
STMFD r1!, {r4} /* push flag */
@ -137,6 +139,7 @@ switch_to_thread:
#if defined (__VFP_FP__) && !defined(__SOFTFP__)
CMP r3, #0 /* if(flag_r3 != 0) */
IT NE
VLDMIANE r1!, {d8 - d15} /* pop FPU register s16~s31 */
#endif
@ -145,6 +148,7 @@ switch_to_thread:
#if defined (__VFP_FP__) && !defined(__SOFTFP__)
ORR lr, lr, #0x10 /* lr |= (1 << 4), clean FPCA. */
CMP r3, #0 /* if(flag_r3 != 0) */
IT NE
BICNE lr, lr, #0x10 /* lr &= ~(1 << 4), set FPCA. */
#endif

4
libcpu/arm/cortex-m7/context_gcc.S
View File

@ -107,6 +107,7 @@ PendSV_Handler:
#if defined (__VFP_FP__) && !defined(__SOFTFP__)
TST lr, #0x10 /* if(!EXC_RETURN[4]) */
IT EQ
VSTMDBEQ r1!, {d8 - d15} /* push FPU register s16~s31 */
#endif
@ -116,6 +117,7 @@ PendSV_Handler:
MOV r4, #0x00 /* flag = 0 */
TST lr, #0x10 /* if(!EXC_RETURN[4]) */
IT EQ
MOVEQ r4, #0x01 /* flag = 1 */
STMFD r1!, {r4} /* push flag */
@ -137,6 +139,7 @@ switch_to_thread:
#if defined (__VFP_FP__) && !defined(__SOFTFP__)
CMP r3, #0 /* if(flag_r3 != 0) */
IT NE
VLDMIANE r1!, {d8 - d15} /* pop FPU register s16~s31 */
#endif
@ -145,6 +148,7 @@ switch_to_thread:
#if defined (__VFP_FP__) && !defined(__SOFTFP__)
ORR lr, lr, #0x10 /* lr |= (1 << 4), clean FPCA. */
CMP r3, #0 /* if(flag_r3 != 0) */
IT NE
BICNE lr, lr, #0x10 /* lr &= ~(1 << 4), set FPCA. */
#endif