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author | Linus Torvalds <torvalds@linux-foundation.org> | 2011-07-26 09:59:39 +0400 |
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committer | Linus Torvalds <torvalds@linux-foundation.org> | 2011-07-26 09:59:39 +0400 |
commit | 184475029a724b6b900d88fc3a5f462a6107d5af (patch) | |
tree | 408320b46df221a2424bf94282b1b8e5b7aff7a1 /arch/powerpc/kernel/head_fsl_booke.S | |
parent | 3b76eefe0f970c2e19f165d4a1650abc523d10bc (diff) | |
parent | f1f4ee01c0d3dce0e3aa7d04e4332677db7af478 (diff) | |
download | linux-184475029a724b6b900d88fc3a5f462a6107d5af.tar.xz |
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.S | 49 |
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 fe37dd0dfd17..50845924b7d9 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 */ |