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libcpu/powerpc/mpc5xx: use THREAD_DISABLE_DISPATCH_LEVEL in asm

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This commit is contained in:
Chirayu Desai
2013-12-06 22:44:57 +05:30
committed by Gedare Bloom
parent 03130cd068
commit e626c60af4
1 changed files with 13 additions and 13 deletions
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26
c/src/lib/libcpu/powerpc/mpc5xx/irq/irq_asm.S
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@@ -110,9 +110,9 @@ SYM (dispatch_irq_handler):
addi r14, r1, 0
/*
* store part of _Thread_Dispatch_disable_level address in R15
* store part of THREAD_DISPATCH_DISABLE_LEVEL address in R15
*/
addis r15, 0, _Thread_Dispatch_disable_level@ha
addis r15, 0, THREAD_DISPATCH_DISABLE_LEVEL@ha
/*
* Retrieve current nesting level from _ISR_Nest_level
@@ -135,9 +135,9 @@ nested:
addi r3, r3, 1
/*
* Start Incrementing _Thread_Dispatch_disable_level R4 = _Thread_Dispatch_disable_level
* Start Incrementing THREAD_DISPATCH_DISABLE_LEVEL R4 = THREAD_DISPATCH_DISABLE_LEVEL
*/
lwz r6, _Thread_Dispatch_disable_level@l(r15)
lwz r6, THREAD_DISPATCH_DISABLE_LEVEL@l(r15)
/* store new nesting level in _ISR_Nest_level */
stw r3, ISR_NEST_LEVEL@l(r7)
@@ -145,9 +145,9 @@ nested:
addi r6, r6, 1
/*
* store new _Thread_Dispatch_disable_level value
* store new THREAD_DISPATCH_DISABLE_LEVEL value
*/
stw r6, _Thread_Dispatch_disable_level@l(r15)
stw r6, THREAD_DISPATCH_DISABLE_LEVEL@l(r15)
/*
* We are now running on the interrupt stack. External and decrementer
@@ -167,21 +167,21 @@ nested:
/*
* start decrementing nesting level. Note : do not test result against 0
* value as an easy exit condition because if interrupt nesting level > 1
* then _Thread_Dispatch_disable_level > 1
* then THREAD_DISPATCH_DISABLE_LEVEL > 1
*/
lis r7, ISR_NEST_LEVEL@ha
lwz r4, ISR_NEST_LEVEL@l(r7)
/*
* start decrementing _Thread_Dispatch_disable_level
* start decrementing THREAD_DISPATCH_DISABLE_LEVEL
*/
lwz r3,_Thread_Dispatch_disable_level@l(r15)
lwz r3,THREAD_DISPATCH_DISABLE_LEVEL@l(r15)
addi r4, r4, -1 /* Continue decrementing nesting level */
addi r3, r3, -1 /* Continue decrementing _Thread_Dispatch_disable_level */
addi r3, r3, -1 /* Continue decrementing THREAD_DISPATCH_DISABLE_LEVEL */
stw r4, ISR_NEST_LEVEL@l(r7) /* End decrementing nesting level */
stw r3,_Thread_Dispatch_disable_level@l(r15) /* End decrementing _Thread_Dispatch_disable_level */
stw r3,THREAD_DISPATCH_DISABLE_LEVEL@l(r15) /* End decrementing THREAD_DISPATCH_DISABLE_LEVEL */
cmpwi r3, 0
@@ -190,11 +190,11 @@ nested:
* contention. Could have been done before...)
*/
addi r1, r14, 0
bne easy_exit /* if (_Thread_Dispatch_disable_level != 0) goto easy_exit */
bne easy_exit /* if (THREAD_DISPATCH_DISABLE_LEVEL != 0) goto easy_exit */
/*
* Here we are running again on the thread system stack.
* We have interrupt nesting level = _Thread_Dispatch_disable_level = 0.
* We have interrupt nesting level = THREAD_DISPATCH_DISABLE_LEVEL = 0.
* Interrupt are still disabled. Time to check if scheduler request to
* do something with the current thread...
*/