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authorLinus Torvalds <torvalds@linux-foundation.org>2011-07-25 22:59:39 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2011-07-25 22:59:39 -0700
commit184475029a724b6b900d88fc3a5f462a6107d5af (patch)
tree408320b46df221a2424bf94282b1b8e5b7aff7a1 /arch/powerpc/kernel/head_fsl_booke.S
parent3b76eefe0f970c2e19f165d4a1650abc523d10bc (diff)
parentf1f4ee01c0d3dce0e3aa7d04e4332677db7af478 (diff)
Merge branch 'next' of git://git.kernel.org/pub/scm/linux/kernel/git/benh/powerpc
* 'next' of git://git.kernel.org/pub/scm/linux/kernel/git/benh/powerpc: (99 commits) drivers/virt: add missing linux/interrupt.h to fsl_hypervisor.c powerpc/85xx: fix mpic configuration in CAMP mode powerpc: Copy back TIF flags on return from softirq stack powerpc/64: Make server perfmon only built on ppc64 server devices powerpc/pseries: Fix hvc_vio.c build due to recent changes powerpc: Exporting boot_cpuid_phys powerpc: Add CFAR to oops output hvc_console: Add kdb support powerpc/pseries: Fix hvterm_raw_get_chars to accept < 16 chars, fixing xmon powerpc/irq: Quieten irq mapping printks powerpc: Enable lockup and hung task detectors in pseries and ppc64 defeconfigs powerpc: Add mpt2sas driver to pseries and ppc64 defconfig powerpc: Disable IRQs off tracer in ppc64 defconfig powerpc: Sync pseries and ppc64 defconfigs powerpc/pseries/hvconsole: Fix dropped console output hvc_console: Improve tty/console put_chars handling powerpc/kdump: Fix timeout in crash_kexec_wait_realmode powerpc/mm: Fix output of total_ram. powerpc/cpufreq: Add cpufreq driver for Momentum Maple boards powerpc: Correct annotations of pmu registration functions ... Fix up trivial Kconfig/Makefile conflicts in arch/powerpc, drivers, and drivers/cpufreq
Diffstat (limited to 'arch/powerpc/kernel/head_fsl_booke.S')
-rw-r--r--arch/powerpc/kernel/head_fsl_booke.S49
1 files changed, 27 insertions, 22 deletions
diff --git a/arch/powerpc/kernel/head_fsl_booke.S b/arch/powerpc/kernel/head_fsl_booke.S
index fe37dd0dfd1..50845924b7d 100644
--- a/arch/powerpc/kernel/head_fsl_booke.S
+++ b/arch/powerpc/kernel/head_fsl_booke.S
@@ -346,11 +346,12 @@ interrupt_base:
/* Data TLB Error Interrupt */
START_EXCEPTION(DataTLBError)
mtspr SPRN_SPRG_WSCRATCH0, r10 /* Save some working registers */
- mtspr SPRN_SPRG_WSCRATCH1, r11
- mtspr SPRN_SPRG_WSCRATCH2, r12
- mtspr SPRN_SPRG_WSCRATCH3, r13
- mfcr r11
- mtspr SPRN_SPRG_WSCRATCH4, r11
+ mfspr r10, SPRN_SPRG_THREAD
+ stw r11, THREAD_NORMSAVE(0)(r10)
+ stw r12, THREAD_NORMSAVE(1)(r10)
+ stw r13, THREAD_NORMSAVE(2)(r10)
+ mfcr r13
+ stw r13, THREAD_NORMSAVE(3)(r10)
mfspr r10, SPRN_DEAR /* Get faulting address */
/* If we are faulting a kernel address, we have to use the
@@ -416,11 +417,12 @@ interrupt_base:
/* The bailout. Restore registers to pre-exception conditions
* and call the heavyweights to help us out.
*/
- mfspr r11, SPRN_SPRG_RSCRATCH4
+ mfspr r10, SPRN_SPRG_THREAD
+ lwz r11, THREAD_NORMSAVE(3)(r10)
mtcr r11
- mfspr r13, SPRN_SPRG_RSCRATCH3
- mfspr r12, SPRN_SPRG_RSCRATCH2
- mfspr r11, SPRN_SPRG_RSCRATCH1
+ lwz r13, THREAD_NORMSAVE(2)(r10)
+ lwz r12, THREAD_NORMSAVE(1)(r10)
+ lwz r11, THREAD_NORMSAVE(0)(r10)
mfspr r10, SPRN_SPRG_RSCRATCH0
b DataStorage
@@ -432,11 +434,12 @@ interrupt_base:
*/
START_EXCEPTION(InstructionTLBError)
mtspr SPRN_SPRG_WSCRATCH0, r10 /* Save some working registers */
- mtspr SPRN_SPRG_WSCRATCH1, r11
- mtspr SPRN_SPRG_WSCRATCH2, r12
- mtspr SPRN_SPRG_WSCRATCH3, r13
- mfcr r11
- mtspr SPRN_SPRG_WSCRATCH4, r11
+ mfspr r10, SPRN_SPRG_THREAD
+ stw r11, THREAD_NORMSAVE(0)(r10)
+ stw r12, THREAD_NORMSAVE(1)(r10)
+ stw r13, THREAD_NORMSAVE(2)(r10)
+ mfcr r13
+ stw r13, THREAD_NORMSAVE(3)(r10)
mfspr r10, SPRN_SRR0 /* Get faulting address */
/* If we are faulting a kernel address, we have to use the
@@ -496,11 +499,12 @@ interrupt_base:
/* The bailout. Restore registers to pre-exception conditions
* and call the heavyweights to help us out.
*/
- mfspr r11, SPRN_SPRG_RSCRATCH4
+ mfspr r10, SPRN_SPRG_THREAD
+ lwz r11, THREAD_NORMSAVE(3)(r10)
mtcr r11
- mfspr r13, SPRN_SPRG_RSCRATCH3
- mfspr r12, SPRN_SPRG_RSCRATCH2
- mfspr r11, SPRN_SPRG_RSCRATCH1
+ lwz r13, THREAD_NORMSAVE(2)(r10)
+ lwz r12, THREAD_NORMSAVE(1)(r10)
+ lwz r11, THREAD_NORMSAVE(0)(r10)
mfspr r10, SPRN_SPRG_RSCRATCH0
b InstructionStorage
@@ -621,11 +625,12 @@ END_MMU_FTR_SECTION_IFSET(MMU_FTR_BIG_PHYS)
tlbwe
/* Done...restore registers and get out of here. */
- mfspr r11, SPRN_SPRG_RSCRATCH4
+ mfspr r10, SPRN_SPRG_THREAD
+ lwz r11, THREAD_NORMSAVE(3)(r10)
mtcr r11
- mfspr r13, SPRN_SPRG_RSCRATCH3
- mfspr r12, SPRN_SPRG_RSCRATCH2
- mfspr r11, SPRN_SPRG_RSCRATCH1
+ lwz r13, THREAD_NORMSAVE(2)(r10)
+ lwz r12, THREAD_NORMSAVE(1)(r10)
+ lwz r11, THREAD_NORMSAVE(0)(r10)
mfspr r10, SPRN_SPRG_RSCRATCH0
rfi /* Force context change */