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| author | Benjamin Herrenschmidt <benh@kernel.crashing.org> | 2009-03-23 22:38:30 -0400 |
|---|---|---|
| committer | Benjamin Herrenschmidt <benh@kernel.crashing.org> | 2009-03-23 22:38:30 -0400 |
| commit | 9e41d9597e7825ec20d690013d32bcec5f3fe16a (patch) | |
| tree | ac6fea59e9a4a1c2183d6bbd6ffa760680673afb /arch/powerpc/kernel/head_32.S | |
| parent | 77ecfe8d427f554fabbf258e9d789f1d4c3afd63 (diff) | |
| parent | 8e0ee43bc2c3e19db56a4adaa9a9b04ce885cd84 (diff) | |
Merge commit 'origin/master' into next
Diffstat (limited to 'arch/powerpc/kernel/head_32.S')
| -rw-r--r-- | arch/powerpc/kernel/head_32.S | 15 |
1 files changed, 12 insertions, 3 deletions
diff --git a/arch/powerpc/kernel/head_32.S b/arch/powerpc/kernel/head_32.S index f8c2e6b6f457..d0bad4b93a9c 100644 --- a/arch/powerpc/kernel/head_32.S +++ b/arch/powerpc/kernel/head_32.S | |||
| @@ -514,8 +514,11 @@ InstructionTLBMiss: | |||
| 514 | and r1,r1,r2 /* writable if _RW and _DIRTY */ | 514 | and r1,r1,r2 /* writable if _RW and _DIRTY */ |
| 515 | rlwimi r3,r3,32-1,30,30 /* _PAGE_USER -> PP msb */ | 515 | rlwimi r3,r3,32-1,30,30 /* _PAGE_USER -> PP msb */ |
| 516 | rlwimi r3,r3,32-1,31,31 /* _PAGE_USER -> PP lsb */ | 516 | rlwimi r3,r3,32-1,31,31 /* _PAGE_USER -> PP lsb */ |
| 517 | ori r1,r1,0xe14 /* clear out reserved bits and M */ | 517 | ori r1,r1,0xe04 /* clear out reserved bits */ |
| 518 | andc r1,r3,r1 /* PP = user? (rw&dirty? 2: 3): 0 */ | 518 | andc r1,r3,r1 /* PP = user? (rw&dirty? 2: 3): 0 */ |
| 519 | BEGIN_FTR_SECTION | ||
| 520 | rlwinm r1,r1,0,~_PAGE_COHERENT /* clear M (coherence not required) */ | ||
| 521 | END_FTR_SECTION_IFCLR(CPU_FTR_NEED_COHERENT) | ||
| 519 | mtspr SPRN_RPA,r1 | 522 | mtspr SPRN_RPA,r1 |
| 520 | mfspr r3,SPRN_IMISS | 523 | mfspr r3,SPRN_IMISS |
| 521 | tlbli r3 | 524 | tlbli r3 |
| @@ -588,8 +591,11 @@ DataLoadTLBMiss: | |||
| 588 | and r1,r1,r2 /* writable if _RW and _DIRTY */ | 591 | and r1,r1,r2 /* writable if _RW and _DIRTY */ |
| 589 | rlwimi r3,r3,32-1,30,30 /* _PAGE_USER -> PP msb */ | 592 | rlwimi r3,r3,32-1,30,30 /* _PAGE_USER -> PP msb */ |
| 590 | rlwimi r3,r3,32-1,31,31 /* _PAGE_USER -> PP lsb */ | 593 | rlwimi r3,r3,32-1,31,31 /* _PAGE_USER -> PP lsb */ |
| 591 | ori r1,r1,0xe14 /* clear out reserved bits and M */ | 594 | ori r1,r1,0xe04 /* clear out reserved bits */ |
| 592 | andc r1,r3,r1 /* PP = user? (rw&dirty? 2: 3): 0 */ | 595 | andc r1,r3,r1 /* PP = user? (rw&dirty? 2: 3): 0 */ |
| 596 | BEGIN_FTR_SECTION | ||
| 597 | rlwinm r1,r1,0,~_PAGE_COHERENT /* clear M (coherence not required) */ | ||
| 598 | END_FTR_SECTION_IFCLR(CPU_FTR_NEED_COHERENT) | ||
| 593 | mtspr SPRN_RPA,r1 | 599 | mtspr SPRN_RPA,r1 |
| 594 | mfspr r3,SPRN_DMISS | 600 | mfspr r3,SPRN_DMISS |
| 595 | tlbld r3 | 601 | tlbld r3 |
| @@ -656,8 +662,11 @@ DataStoreTLBMiss: | |||
| 656 | stw r3,0(r2) /* update PTE (accessed/dirty bits) */ | 662 | stw r3,0(r2) /* update PTE (accessed/dirty bits) */ |
| 657 | /* Convert linux-style PTE to low word of PPC-style PTE */ | 663 | /* Convert linux-style PTE to low word of PPC-style PTE */ |
| 658 | rlwimi r3,r3,32-1,30,30 /* _PAGE_USER -> PP msb */ | 664 | rlwimi r3,r3,32-1,30,30 /* _PAGE_USER -> PP msb */ |
| 659 | li r1,0xe15 /* clear out reserved bits and M */ | 665 | li r1,0xe05 /* clear out reserved bits & PP lsb */ |
| 660 | andc r1,r3,r1 /* PP = user? 2: 0 */ | 666 | andc r1,r3,r1 /* PP = user? 2: 0 */ |
| 667 | BEGIN_FTR_SECTION | ||
| 668 | rlwinm r1,r1,0,~_PAGE_COHERENT /* clear M (coherence not required) */ | ||
| 669 | END_FTR_SECTION_IFCLR(CPU_FTR_NEED_COHERENT) | ||
| 661 | mtspr SPRN_RPA,r1 | 670 | mtspr SPRN_RPA,r1 |
| 662 | mfspr r3,SPRN_DMISS | 671 | mfspr r3,SPRN_DMISS |
| 663 | tlbld r3 | 672 | tlbld r3 |