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authorStuart Yoder <stuart.yoder@freescale.com>2012-07-05 04:41:35 +0000
committerBenjamin Herrenschmidt <benh@kernel.crashing.org>2012-07-11 14:18:22 +1000
commit9778b696a0188ad3b3524b383953ee73b31b7b68 (patch)
treeae706a4c23f3e5da85c6bc6e33a534eb20d0d338 /arch/powerpc/kernel/entry_32.S
parentdb9112173b185995b80f56e136bd2ae44e4e6366 (diff)
downloadop-kernel-dev-9778b696a0188ad3b3524b383953ee73b31b7b68.zip
op-kernel-dev-9778b696a0188ad3b3524b383953ee73b31b7b68.tar.gz
powerpc: Use CURRENT_THREAD_INFO instead of open coded assembly
Signed-off-by: Stuart Yoder <stuart.yoder@freescale.com> Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Diffstat (limited to 'arch/powerpc/kernel/entry_32.S')
-rw-r--r--arch/powerpc/kernel/entry_32.S24
1 files changed, 12 insertions, 12 deletions
diff --git a/arch/powerpc/kernel/entry_32.S b/arch/powerpc/kernel/entry_32.S
index ba3aeb4..bad42e3 100644
--- a/arch/powerpc/kernel/entry_32.S
+++ b/arch/powerpc/kernel/entry_32.S
@@ -92,7 +92,7 @@ crit_transfer_to_handler:
mfspr r8,SPRN_SPRG_THREAD
lwz r0,KSP_LIMIT(r8)
stw r0,SAVED_KSP_LIMIT(r11)
- rlwimi r0,r1,0,0,(31-THREAD_SHIFT)
+ CURRENT_THREAD_INFO(r0, r1)
stw r0,KSP_LIMIT(r8)
/* fall through */
#endif
@@ -112,7 +112,7 @@ crit_transfer_to_handler:
mfspr r8,SPRN_SPRG_THREAD
lwz r0,KSP_LIMIT(r8)
stw r0,saved_ksp_limit@l(0)
- rlwimi r0,r1,0,0,(31-THREAD_SHIFT)
+ CURRENT_THREAD_INFO(r0, r1)
stw r0,KSP_LIMIT(r8)
/* fall through */
#endif
@@ -158,7 +158,7 @@ transfer_to_handler:
tophys(r11,r11)
addi r11,r11,global_dbcr0@l
#ifdef CONFIG_SMP
- rlwinm r9,r1,0,0,(31-THREAD_SHIFT)
+ CURRENT_THREAD_INFO(r9, r1)
lwz r9,TI_CPU(r9)
slwi r9,r9,3
add r11,r11,r9
@@ -179,7 +179,7 @@ transfer_to_handler:
ble- stack_ovf /* then the kernel stack overflowed */
5:
#if defined(CONFIG_6xx) || defined(CONFIG_E500)
- rlwinm r9,r1,0,0,31-THREAD_SHIFT
+ CURRENT_THREAD_INFO(r9, r1)
tophys(r9,r9) /* check local flags */
lwz r12,TI_LOCAL_FLAGS(r9)
mtcrf 0x01,r12
@@ -333,7 +333,7 @@ _GLOBAL(DoSyscall)
mtmsr r11
1:
#endif /* CONFIG_TRACE_IRQFLAGS */
- rlwinm r10,r1,0,0,(31-THREAD_SHIFT) /* current_thread_info() */
+ CURRENT_THREAD_INFO(r10, r1)
lwz r11,TI_FLAGS(r10)
andi. r11,r11,_TIF_SYSCALL_T_OR_A
bne- syscall_dotrace
@@ -354,7 +354,7 @@ ret_from_syscall:
bl do_show_syscall_exit
#endif
mr r6,r3
- rlwinm r12,r1,0,0,(31-THREAD_SHIFT) /* current_thread_info() */
+ CURRENT_THREAD_INFO(r12, r1)
/* disable interrupts so current_thread_info()->flags can't change */
LOAD_MSR_KERNEL(r10,MSR_KERNEL) /* doesn't include MSR_EE */
/* Note: We don't bother telling lockdep about it */
@@ -815,7 +815,7 @@ ret_from_except:
user_exc_return: /* r10 contains MSR_KERNEL here */
/* Check current_thread_info()->flags */
- rlwinm r9,r1,0,0,(31-THREAD_SHIFT)
+ CURRENT_THREAD_INFO(r9, r1)
lwz r9,TI_FLAGS(r9)
andi. r0,r9,_TIF_USER_WORK_MASK
bne do_work
@@ -835,7 +835,7 @@ restore_user:
/* N.B. the only way to get here is from the beq following ret_from_except. */
resume_kernel:
/* check current_thread_info->preempt_count */
- rlwinm r9,r1,0,0,(31-THREAD_SHIFT)
+ CURRENT_THREAD_INFO(r9, r1)
lwz r0,TI_PREEMPT(r9)
cmpwi 0,r0,0 /* if non-zero, just restore regs and return */
bne restore
@@ -852,7 +852,7 @@ resume_kernel:
bl trace_hardirqs_off
#endif
1: bl preempt_schedule_irq
- rlwinm r9,r1,0,0,(31-THREAD_SHIFT)
+ CURRENT_THREAD_INFO(r9, r1)
lwz r3,TI_FLAGS(r9)
andi. r0,r3,_TIF_NEED_RESCHED
bne- 1b
@@ -1122,7 +1122,7 @@ ret_from_debug_exc:
lwz r10,SAVED_KSP_LIMIT(r1)
stw r10,KSP_LIMIT(r9)
lwz r9,THREAD_INFO-THREAD(r9)
- rlwinm r10,r1,0,0,(31-THREAD_SHIFT)
+ CURRENT_THREAD_INFO(r10, r1)
lwz r10,TI_PREEMPT(r10)
stw r10,TI_PREEMPT(r9)
RESTORE_xSRR(SRR0,SRR1);
@@ -1156,7 +1156,7 @@ load_dbcr0:
lis r11,global_dbcr0@ha
addi r11,r11,global_dbcr0@l
#ifdef CONFIG_SMP
- rlwinm r9,r1,0,0,(31-THREAD_SHIFT)
+ CURRENT_THREAD_INFO(r9, r1)
lwz r9,TI_CPU(r9)
slwi r9,r9,3
add r11,r11,r9
@@ -1197,7 +1197,7 @@ recheck:
LOAD_MSR_KERNEL(r10,MSR_KERNEL)
SYNC
MTMSRD(r10) /* disable interrupts */
- rlwinm r9,r1,0,0,(31-THREAD_SHIFT)
+ CURRENT_THREAD_INFO(r9, r1)
lwz r9,TI_FLAGS(r9)
andi. r0,r9,_TIF_NEED_RESCHED
bne- do_resched
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