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author | Sam Ravnborg <sam@ravnborg.org> | 2008-12-03 03:10:25 -0800 |
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committer | David S. Miller <davem@davemloft.net> | 2008-12-04 09:17:19 -0800 |
commit | 478b8fecda511942404ac232897a718cecd13e48 (patch) | |
tree | e022fce8ca92f93a000e1cd686255f0b126e9fd5 /arch/sparc64/lib/NGbzero.S | |
parent | 18269c0fd4db9bec2668f895f21d742486ccb90f (diff) | |
download | linux-478b8fecda511942404ac232897a718cecd13e48.tar.bz2 |
sparc,sparc64: unify lib/
o Renamed files in sparc64 to <name>_64.S when identical
to sparc32 files.
o iomap.c were equal for sparc32 and sparc64
o adjusted sparc/Makefile now we have only one lib/
Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'arch/sparc64/lib/NGbzero.S')
-rw-r--r-- | arch/sparc64/lib/NGbzero.S | 164 |
1 files changed, 0 insertions, 164 deletions
diff --git a/arch/sparc64/lib/NGbzero.S b/arch/sparc64/lib/NGbzero.S deleted file mode 100644 index 814d5f7a45e1..000000000000 --- a/arch/sparc64/lib/NGbzero.S +++ /dev/null @@ -1,164 +0,0 @@ -/* NGbzero.S: Niagara optimized memset/clear_user. - * - * Copyright (C) 2006 David S. Miller (davem@davemloft.net) - */ -#include <asm/asi.h> - -#define EX_ST(x,y) \ -98: x,y; \ - .section .fixup; \ - .align 4; \ -99: retl; \ - mov %o1, %o0; \ - .section __ex_table,"a";\ - .align 4; \ - .word 98b, 99b; \ - .text; \ - .align 4; - - .text - - .globl NGmemset - .type NGmemset, #function -NGmemset: /* %o0=buf, %o1=pat, %o2=len */ - and %o1, 0xff, %o3 - mov %o2, %o1 - sllx %o3, 8, %g1 - or %g1, %o3, %o2 - sllx %o2, 16, %g1 - or %g1, %o2, %o2 - sllx %o2, 32, %g1 - ba,pt %xcc, 1f - or %g1, %o2, %o2 - - .globl NGbzero - .type NGbzero, #function -NGbzero: - clr %o2 -1: brz,pn %o1, NGbzero_return - mov %o0, %o3 - - /* %o5: saved %asi, restored at NGbzero_done - * %g7: store-init %asi to use - * %o4: non-store-init %asi to use - */ - rd %asi, %o5 - mov ASI_BLK_INIT_QUAD_LDD_P, %g7 - mov ASI_P, %o4 - wr %o4, 0x0, %asi - -NGbzero_from_clear_user: - cmp %o1, 15 - bl,pn %icc, NGbzero_tiny - andcc %o0, 0x7, %g1 - be,pt %xcc, 2f - mov 8, %g2 - sub %g2, %g1, %g1 - sub %o1, %g1, %o1 -1: EX_ST(stba %o2, [%o0 + 0x00] %asi) - subcc %g1, 1, %g1 - bne,pt %xcc, 1b - add %o0, 1, %o0 -2: cmp %o1, 128 - bl,pn %icc, NGbzero_medium - andcc %o0, (64 - 1), %g1 - be,pt %xcc, NGbzero_pre_loop - mov 64, %g2 - sub %g2, %g1, %g1 - sub %o1, %g1, %o1 -1: EX_ST(stxa %o2, [%o0 + 0x00] %asi) - subcc %g1, 8, %g1 - bne,pt %xcc, 1b - add %o0, 8, %o0 - -NGbzero_pre_loop: - wr %g7, 0x0, %asi - andn %o1, (64 - 1), %g1 - sub %o1, %g1, %o1 -NGbzero_loop: - EX_ST(stxa %o2, [%o0 + 0x00] %asi) - EX_ST(stxa %o2, [%o0 + 0x08] %asi) - EX_ST(stxa %o2, [%o0 + 0x10] %asi) - EX_ST(stxa %o2, [%o0 + 0x18] %asi) - EX_ST(stxa %o2, [%o0 + 0x20] %asi) - EX_ST(stxa %o2, [%o0 + 0x28] %asi) - EX_ST(stxa %o2, [%o0 + 0x30] %asi) - EX_ST(stxa %o2, [%o0 + 0x38] %asi) - subcc %g1, 64, %g1 - bne,pt %xcc, NGbzero_loop - add %o0, 64, %o0 - - membar #Sync - wr %o4, 0x0, %asi - brz,pn %o1, NGbzero_done -NGbzero_medium: - andncc %o1, 0x7, %g1 - be,pn %xcc, 2f - sub %o1, %g1, %o1 -1: EX_ST(stxa %o2, [%o0 + 0x00] %asi) - subcc %g1, 8, %g1 - bne,pt %xcc, 1b - add %o0, 8, %o0 -2: brz,pt %o1, NGbzero_done - nop - -NGbzero_tiny: -1: EX_ST(stba %o2, [%o0 + 0x00] %asi) - subcc %o1, 1, %o1 - bne,pt %icc, 1b - add %o0, 1, %o0 - - /* fallthrough */ - -NGbzero_done: - wr %o5, 0x0, %asi - -NGbzero_return: - retl - mov %o3, %o0 - .size NGbzero, .-NGbzero - .size NGmemset, .-NGmemset - - .globl NGclear_user - .type NGclear_user, #function -NGclear_user: /* %o0=buf, %o1=len */ - rd %asi, %o5 - brz,pn %o1, NGbzero_done - clr %o3 - cmp %o5, ASI_AIUS - bne,pn %icc, NGbzero - clr %o2 - mov ASI_BLK_INIT_QUAD_LDD_AIUS, %g7 - ba,pt %xcc, NGbzero_from_clear_user - mov ASI_AIUS, %o4 - .size NGclear_user, .-NGclear_user - -#define BRANCH_ALWAYS 0x10680000 -#define NOP 0x01000000 -#define NG_DO_PATCH(OLD, NEW) \ - sethi %hi(NEW), %g1; \ - or %g1, %lo(NEW), %g1; \ - sethi %hi(OLD), %g2; \ - or %g2, %lo(OLD), %g2; \ - sub %g1, %g2, %g1; \ - sethi %hi(BRANCH_ALWAYS), %g3; \ - sll %g1, 11, %g1; \ - srl %g1, 11 + 2, %g1; \ - or %g3, %lo(BRANCH_ALWAYS), %g3; \ - or %g3, %g1, %g3; \ - stw %g3, [%g2]; \ - sethi %hi(NOP), %g3; \ - or %g3, %lo(NOP), %g3; \ - stw %g3, [%g2 + 0x4]; \ - flush %g2; - - .globl niagara_patch_bzero - .type niagara_patch_bzero,#function -niagara_patch_bzero: - NG_DO_PATCH(memset, NGmemset) - NG_DO_PATCH(__bzero, NGbzero) - NG_DO_PATCH(__clear_user, NGclear_user) - NG_DO_PATCH(tsb_init, NGtsb_init) - retl - nop - .size niagara_patch_bzero,.-niagara_patch_bzero |