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cortex-r4: wrap asm functions with .asmfunc/.endasmfunc

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Grissiom
2013-05-31 22:43:53 +08:00
parent 228a6be077
commit e8bbbe6788
1 changed files with 10 additions and 0 deletions
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libcpu/arm/cortex-r4/context_ccs.asm
+10
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@@ -28,18 +28,22 @@
; * rt_base_t rt_hw_interrupt_disable();
; */
.def rt_hw_interrupt_disable
.asmfunc
rt_hw_interrupt_disable
MRS r0, cpsr
CPSID IF
BX lr
.endasmfunc
;/*
; * void rt_hw_interrupt_enable(rt_base_t level);
; */
.def rt_hw_interrupt_enable
.asmfunc
rt_hw_interrupt_enable
MSR cpsr_c, r0
BX lr
.endasmfunc
;/*
; * void rt_hw_context_switch(rt_uint32 from, rt_uint32 to);
@@ -47,6 +51,7 @@ rt_hw_interrupt_enable
; * r1 --> to
; */
.def rt_hw_context_switch
.asmfunc
rt_hw_context_switch
STMDB sp!, {lr} ; push pc (lr should be pushed in place of PC)
STMDB sp!, {r0-r12, lr} ; push lr & register file
@@ -88,12 +93,14 @@ __no_vfp_frame2
MSR spsr_cxsf, r4
LDMIA sp!, {r0-r12, lr, pc}^ ; pop new task r0-r12, lr & pc, copy spsr to cpsr
.endasmfunc
;/*
; * void rt_hw_context_switch_to(rt_uint32 to);
; * r0 --> to
; */
.def rt_hw_context_switch_to
.asmfunc
rt_hw_context_switch_to
LDR sp, [r0] ; get new task stack pointer
@@ -112,12 +119,14 @@ __no_vfp_frame_to
MSR spsr_cxsf, r4
LDMIA sp!, {r0-r12, lr, pc}^ ; pop new task r0-r12, lr & pc, copy spsr to cpsr
.endasmfunc
;/*
; * void rt_hw_context_switch_interrupt(rt_uint32 from, rt_uint32 to);
; */
.def rt_hw_context_switch_interrupt
.asmfunc
rt_hw_context_switch_interrupt
LDR r2, pintflag
LDR r3, [r2]
@@ -131,6 +140,7 @@ _reswitch
LDR r2, ptothread ; set rt_interrupt_to_thread
STR r1, [r2]
BX lr
.endasmfunc
.def IRQ_Handler
IRQ_Handler