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remove usr mode stack setting.

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git-svn-id: https://rt-thread.googlecode.com/svn/trunk@1033 bbd45198-f89e-11dd-88c7-29a3b14d5316
This commit is contained in:
bernard.xiong
2010-10-29 05:59:11 +00:00
parent 5f85cb2f78
commit e91e82d166
1 changed files with 4 additions and 3 deletions
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7
libcpu/arm/AT91SAM7S/start_rvds.S
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@@ -393,8 +393,9 @@ MC_RCR EQU 0x00 ; MC_RCR Offset
ELSE ELSE
MOV SP, R0 ; No usr mode stack here.
SUB SL, SP, #USR_Stack_Size ;MOV SP, R0
;SUB SL, SP, #USR_Stack_Size
ENDIF ENDIF
@@ -489,7 +490,7 @@ rt_hw_context_switch_interrupt_do PROC
__user_initial_stackheap __user_initial_stackheap
LDR R0, = Heap_Mem LDR R0, = Heap_Mem
LDR R1, =(Stack_Mem + USR_Stack_Size) LDR R1, = (Stack_Mem + IRQ_Stack_Size)
LDR R2, = (Heap_Mem + Heap_Size) LDR R2, = (Heap_Mem + Heap_Size)
LDR R3, = Stack_Mem LDR R3, = Stack_Mem
BX LR BX LR