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author | Linus Torvalds <torvalds@linux-foundation.org> | 2010-05-21 22:17:05 +0400 |
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committer | Linus Torvalds <torvalds@linux-foundation.org> | 2010-05-21 22:17:05 +0400 |
commit | 79c4581262e225a7c96d88b632b05ab3b5e9a52c (patch) | |
tree | 8ef030c74ab7e0d0df27cf86195f915efd2832f7 /arch/powerpc/platforms/pseries/hvCall.S | |
parent | 59534f7298c5e28aaa64e6ed550e247f64ee72ae (diff) | |
parent | 99ec28f183daa450faa7bdad6f932364ae325648 (diff) | |
download | linux-79c4581262e225a7c96d88b632b05ab3b5e9a52c.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: (92 commits)
powerpc: Remove unused 'protect4gb' boot parameter
powerpc: Build-in e1000e for pseries & ppc64_defconfig
powerpc/pseries: Make request_ras_irqs() available to other pseries code
powerpc/numa: Use ibm,architecture-vec-5 to detect form 1 affinity
powerpc/numa: Set a smaller value for RECLAIM_DISTANCE to enable zone reclaim
powerpc: Use smt_snooze_delay=-1 to always busy loop
powerpc: Remove check of ibm,smt-snooze-delay OF property
powerpc/kdump: Fix race in kdump shutdown
powerpc/kexec: Fix race in kexec shutdown
powerpc/kexec: Speedup kexec hash PTE tear down
powerpc/pseries: Add hcall to read 4 ptes at a time in real mode
powerpc: Use more accurate limit for first segment memory allocations
powerpc/kdump: Use chip->shutdown to disable IRQs
powerpc/kdump: CPUs assume the context of the oopsing CPU
powerpc/crashdump: Do not fail on NULL pointer dereferencing
powerpc/eeh: Fix oops when probing in early boot
powerpc/pci: Check devices status property when scanning OF tree
powerpc/vio: Switch VIO Bus PM to use generic helpers
powerpc: Avoid bad relocations in iSeries code
powerpc: Use common cpu_die (fixes SMP+SUSPEND build)
...
Diffstat (limited to 'arch/powerpc/platforms/pseries/hvCall.S')
-rw-r--r-- | arch/powerpc/platforms/pseries/hvCall.S | 38 |
1 files changed, 38 insertions, 0 deletions
diff --git a/arch/powerpc/platforms/pseries/hvCall.S b/arch/powerpc/platforms/pseries/hvCall.S index 383a5d0e9818..48d20573e4de 100644 --- a/arch/powerpc/platforms/pseries/hvCall.S +++ b/arch/powerpc/platforms/pseries/hvCall.S @@ -228,3 +228,41 @@ _GLOBAL(plpar_hcall9) mtcrf 0xff,r0 blr /* return r3 = status */ + +/* See plpar_hcall_raw to see why this is needed */ +_GLOBAL(plpar_hcall9_raw) + HMT_MEDIUM + + mfcr r0 + stw r0,8(r1) + + std r4,STK_PARM(r4)(r1) /* Save ret buffer */ + + mr r4,r5 + mr r5,r6 + mr r6,r7 + mr r7,r8 + mr r8,r9 + mr r9,r10 + ld r10,STK_PARM(r11)(r1) /* put arg7 in R10 */ + ld r11,STK_PARM(r12)(r1) /* put arg8 in R11 */ + ld r12,STK_PARM(r13)(r1) /* put arg9 in R12 */ + + HVSC /* invoke the hypervisor */ + + mr r0,r12 + ld r12,STK_PARM(r4)(r1) + std r4, 0(r12) + std r5, 8(r12) + std r6, 16(r12) + std r7, 24(r12) + std r8, 32(r12) + std r9, 40(r12) + std r10,48(r12) + std r11,56(r12) + std r0, 64(r12) + + lwz r0,8(r1) + mtcrf 0xff,r0 + + blr /* return r3 = status */ |