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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_rvds.S
+13 -2
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@@ -236,10 +236,21 @@ HardFault_Handler PROC
MRSEQ r0, msp ; [2]=0 ==> Z=1, get fault context from handler.
MRSNE r0, psp ; [2]=1 ==> Z=0, get fault context from thread.
STMFD r0!, {r4 - r11} ; push r4 - r11 register
IF {FPU} != "SoftVFP"
STMFD r0!, {lr} ; push dummy for flag
TST lr, #0x10 ; if(!EXC_RETURN[4])
VSTMFDEQ r0!, {d8 - d15} ; push FPU register s16~s31
ENDIF
STMFD r0!, {r4 - r11} ; push r4 - r11 register
IF {FPU} != "SoftVFP"
MOV r4, #0x00 ; flag = 0
TST lr, #0x10 ; if(!EXC_RETURN[4])
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])