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upgrade rtt 5.2.2

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wmano
2025-09-03 20:50:03 +08:00
parent f6985d97c5
commit 5409d3a614
41 changed files with 1130 additions and 988 deletions
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rt-thread/libcpu/arm/cortex-m4/context_gcc.S
+15 -2
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@@ -238,10 +238,23 @@ HardFault_Handler:
MRS r0, psp /* get fault context from thread. */
_get_sp_done:
STMFD r0!, {r4 - r11} /* push r4 - r11 register */
#if defined (__VFP_FP__) && !defined(__SOFTFP__)
STMFD r0!, {lr} /* push dummy for flag */
TST lr, #0x10 /* if(!EXC_RETURN[4]) */
IT EQ
VSTMDBEQ r0!, {d8 - d15} /* push FPU register s16~s31 */
#endif
STMFD r0!, {r4 - r11} /* push r4 - r11 register */
#if defined (__VFP_FP__) && !defined(__SOFTFP__)
MOV r4, #0x00 /* flag = 0 */
TST lr, #0x10 /* if(!EXC_RETURN[4]) */
IT EQ
MOVEQ r4, #0x01 /* flag = 1 */
STMFD r0!, {r4} /* push flag */
#endif
STMFD r0!, {lr} /* push exec_return register */
TST lr, #0x04 /* if(!EXC_RETURN[2]) */