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Bsp nxp support (#8530)

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Co-authored-by: StackYuan <yuanjyjyj@outlook.com>
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杨熙
2024-02-16 00:30:50 +08:00
committed by GitHub
parent 35eea4bc46
commit 41e08084f8
132 changed files with 108661 additions and 25 deletions
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12
libcpu/arm/cortex-m33/context_rvds.S
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@@ -146,10 +146,10 @@ contex_ns_store
MRS r1, psp ; get from thread stack pointer
IF {FPU} != "SoftVFP"
#if defined (__VFP_FP__) && !defined(__SOFTFP__)
TST lr, #0x10 ; if(!EXC_RETURN[4])
VSTMFDEQ r1!, {d8 - d15} ; push FPU register s16~s31
ENDIF
#endif
STMFD r1!, {r4 - r11} ; push r4 - r11 register
@@ -190,10 +190,10 @@ switch_to_thread
contex_ns_load
LDMFD r1!, {r4 - r11} ; pop r4 - r11 register
IF {FPU} != "SoftVFP"
#if defined (__VFP_FP__) && !defined(__SOFTFP__)
TST lr, #0x10 ; if(!EXC_RETURN[4])
VLDMFDEQ r1!, {d8 - d15} ; pop FPU register s16~s31
ENDIF
#endif
pendsv_exit
MSR psp, r1 ; update stack pointer
@@ -215,12 +215,12 @@ rt_hw_context_switch_to PROC
LDR r1, =rt_interrupt_to_thread
STR r0, [r1]
IF {FPU} != "SoftVFP"
#if defined (__VFP_FP__) && !defined(__SOFTFP__)
; CLEAR CONTROL.FPCA
MRS r2, CONTROL ; read
BIC r2, #0x04 ; modify
MSR CONTROL, r2 ; write-back
ENDIF
#endif
; set from thread to 0
LDR r1, =rt_interrupt_from_thread