diff options
| author | Mark Kettenis <kettenis@cvs.openbsd.org> | 2007-12-23 15:33:42 +0000 |
|---|---|---|
| committer | Mark Kettenis <kettenis@cvs.openbsd.org> | 2007-12-23 15:33:42 +0000 |
| commit | 345136d9744229f12d83667c5dfbec695a1697ee (patch) | |
| tree | 75e82c27706b029a269cc6a31a9dd506988196d1 /sys | |
| parent | 2e06471f9b5d3a0d9bdcc733b1667be138dcf1ab (diff) | |
Remove DMMU_MISS_2; it's identical to DMMU_MISS.
Diffstat (limited to 'sys')
| -rw-r--r-- | sys/arch/sparc64/sparc64/locore.s | 30 |
1 files changed, 6 insertions, 24 deletions
diff --git a/sys/arch/sparc64/sparc64/locore.s b/sys/arch/sparc64/sparc64/locore.s index 56e7a901317..74b17ee1c68 100644 --- a/sys/arch/sparc64/sparc64/locore.s +++ b/sys/arch/sparc64/sparc64/locore.s @@ -1,4 +1,4 @@ -/* $OpenBSD: locore.s,v 1.105 2007/12/05 19:43:15 kettenis Exp $ */ +/* $OpenBSD: locore.s,v 1.106 2007/12/23 15:33:41 kettenis Exp $ */ /* $NetBSD: locore.s,v 1.137 2001/08/13 06:10:10 jdolecek Exp $ */ /* @@ -497,9 +497,9 @@ _C_LABEL(cold): .endm .macro IMMU_MISS n - ldxa [%g0] ASI_IMMU_8KPTR, %g2 ! Load IMMU 8K TSB pointer + ldxa [%g0] ASI_IMMU_8KPTR, %g2! Load IMMU 8K TSB pointer ldxa [%g0] ASI_IMMU, %g1 ! Load IMMU tag target register - ldda [%g2] ASI_NUCLEUS_QUAD_LDD, %g4 !Load TSB tag:data into %g4:%g5 + ldda [%g2] ASI_NUCLEUS_QUAD_LDD, %g4!Load TSB tag:data into %g4 brgez,pn %g5, instr_miss ! Entry invalid? Punt cmp %g1, %g4 ! Compare TLB tags bne,pn %xcc, instr_miss ! Got right tag? @@ -515,30 +515,12 @@ _C_LABEL(cold): .macro DMMU_MISS n ldxa [%g0] ASI_DMMU_8KPTR, %g2! Load DMMU 8K TSB pointer ldxa [%g0] ASI_DMMU, %g1 ! Load DMMU tag target register - ldda [%g2] ASI_NUCLEUS_QUAD_LDD, %g4 ! Load TSB tag:data into %g4:%g5 - brgez,pn %g5, data_miss ! Entry invalid? Punt XXX should be 2f - xor %g1, %g4, %g4 ! Compare TLB tags - brnz,pn %g4, data_miss ! Got right tag? - nop - CLRTT \n - stxa %g5, [%g0] ASI_DMMU_DATA_IN! Enter new mapping - retry ! Try new mapping -1: - sir - TA32 - .endm - -!! this can be just DMMU_MISS -- the only difference -!! between that & this is instruction ordering and #if 0 code -mdw - .macro DMMU_MISS_2 - ldxa [%g0] ASI_DMMU_8KPTR, %g2 ! Load DMMU 8K TSB pointer - ldxa [%g0] ASI_DMMU, %g1 ! Load DMMU tag target register - ldda [%g2] ASI_NUCLEUS_QUAD_LDD, %g4 ! Load TSB tag:data into %g4:%g5 + ldda [%g2] ASI_NUCLEUS_QUAD_LDD, %g4!Load TSB tag:data into %g4 brgez,pn %g5, data_miss ! Entry invalid? Punt xor %g1, %g4, %g4 ! Compare TLB tags brnz,pn %g4, data_miss ! Got right tag? nop - CLRTT 10 + CLRTT \n stxa %g5, [%g0] ASI_DMMU_DATA_IN! Enter new mapping retry ! Try new mapping 1: @@ -908,7 +890,7 @@ kdatafault: kfast_IMMU_miss: ! 064 = fast instr access MMU miss IMMU_MISS 9 kfast_DMMU_miss: ! 068 = fast data access MMU miss - DMMU_MISS_2 + DMMU_MISS 10 kfast_DMMU_protection: ! 06c = fast data access MMU protection DMMU_PROT kdprot UTRAP 0x070 ! Implementation dependent traps |