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| author | Michael Neuling <mikey@neuling.org> | 2012-06-25 13:33:25 +0000 |
|---|---|---|
| committer | Benjamin Herrenschmidt <benh@kernel.crashing.org> | 2012-07-10 19:18:35 +1000 |
| commit | 962cffbd8a21ad380ec71a6f5ea55a8e08f32dd1 (patch) | |
| tree | 378842a721bfd35cc54bd94e1a26d499c6fb43ac /arch/powerpc/mm/tlb_nohash_low.S | |
| parent | f4c015795c74ec31b7ad0b8e11d07946fe853db4 (diff) | |
| download | linux-962cffbd8a21ad380ec71a6f5ea55a8e08f32dd1.tar.bz2 | |
powerpc: Enforce usage of RA 0-R31 where possible
Some macros use RA where when RA=R0 the values is 0, so make this
the enforced mnemonic in the macro.
Idea suggested by Andreas Schwab.
Signed-off-by: Michael Neuling <mikey@neuling.org>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Diffstat (limited to 'arch/powerpc/mm/tlb_nohash_low.S')
| -rw-r--r-- | arch/powerpc/mm/tlb_nohash_low.S | 16 |
1 files changed, 8 insertions, 8 deletions
diff --git a/arch/powerpc/mm/tlb_nohash_low.S b/arch/powerpc/mm/tlb_nohash_low.S index 75a9d14a3dea..fab919fd1384 100644 --- a/arch/powerpc/mm/tlb_nohash_low.S +++ b/arch/powerpc/mm/tlb_nohash_low.S @@ -266,7 +266,7 @@ BEGIN_MMU_FTR_SECTION andi. r3,r3,MMUCSR0_TLBFI@l bne 1b MMU_FTR_SECTION_ELSE - PPC_TLBILX_ALL(R0,R0) + PPC_TLBILX_ALL(0,R0) ALT_MMU_FTR_SECTION_END_IFCLR(MMU_FTR_USE_TLBILX) msync isync @@ -279,7 +279,7 @@ BEGIN_MMU_FTR_SECTION wrteei 0 mfspr r4,SPRN_MAS6 /* save MAS6 */ mtspr SPRN_MAS6,r3 - PPC_TLBILX_PID(R0,R0) + PPC_TLBILX_PID(0,R0) mtspr SPRN_MAS6,r4 /* restore MAS6 */ wrtee r10 MMU_FTR_SECTION_ELSE @@ -313,7 +313,7 @@ BEGIN_MMU_FTR_SECTION mtspr SPRN_MAS1,r4 tlbwe MMU_FTR_SECTION_ELSE - PPC_TLBILX_VA(R0,R3) + PPC_TLBILX_VA(0,R3) ALT_MMU_FTR_SECTION_END_IFCLR(MMU_FTR_USE_TLBILX) msync isync @@ -331,7 +331,7 @@ _GLOBAL(_tlbil_pid) mfmsr r10 wrteei 0 mtspr SPRN_MAS6,r4 - PPC_TLBILX_PID(R0,R0) + PPC_TLBILX_PID(0,R0) wrtee r10 msync isync @@ -343,14 +343,14 @@ _GLOBAL(_tlbil_pid_noind) ori r4,r4,MAS6_SIND wrteei 0 mtspr SPRN_MAS6,r4 - PPC_TLBILX_PID(R0,R0) + PPC_TLBILX_PID(0,R0) wrtee r10 msync isync blr _GLOBAL(_tlbil_all) - PPC_TLBILX_ALL(R0,R0) + PPC_TLBILX_ALL(0,R0) msync isync blr @@ -364,7 +364,7 @@ _GLOBAL(_tlbil_va) beq 1f rlwimi r4,r6,MAS6_SIND_SHIFT,MAS6_SIND 1: mtspr SPRN_MAS6,r4 /* assume AS=0 for now */ - PPC_TLBILX_VA(R0,R3) + PPC_TLBILX_VA(0,R3) msync isync wrtee r10 @@ -379,7 +379,7 @@ _GLOBAL(_tlbivax_bcast) beq 1f rlwimi r4,r6,MAS6_SIND_SHIFT,MAS6_SIND 1: mtspr SPRN_MAS6,r4 /* assume AS=0 for now */ - PPC_TLBIVAX(R0,R3) + PPC_TLBIVAX(0,R3) eieio tlbsync sync |