diff options
Diffstat (limited to 'arch/sparc64/lib/U3patch.S')
| -rw-r--r-- | arch/sparc64/lib/U3patch.S | 33 |
1 files changed, 0 insertions, 33 deletions
diff --git a/arch/sparc64/lib/U3patch.S b/arch/sparc64/lib/U3patch.S deleted file mode 100644 index ecc302619a6..00000000000 --- a/arch/sparc64/lib/U3patch.S +++ /dev/null @@ -1,33 +0,0 @@ -/* U3patch.S: Patch Ultra-I routines with Ultra-III variant. - * - * Copyright (C) 2004 David S. Miller <davem@redhat.com> - */ - -#define BRANCH_ALWAYS 0x10680000 -#define NOP 0x01000000 -#define ULTRA3_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 cheetah_patch_copyops - .type cheetah_patch_copyops,#function -cheetah_patch_copyops: - ULTRA3_DO_PATCH(memcpy, U3memcpy) - ULTRA3_DO_PATCH(___copy_from_user, U3copy_from_user) - ULTRA3_DO_PATCH(___copy_to_user, U3copy_to_user) - retl - nop - .size cheetah_patch_copyops,.-cheetah_patch_copyops |