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| author | Ralf Baechle <ralf@linux-mips.org> | 1997-06-01 03:16:17 +0000 |
|---|---|---|
| committer | Ralf Baechle <ralf@linux-mips.org> | 1997-06-01 03:16:17 +0000 |
| commit | d8d9b8f76f22b7a16a83e261e64f89ee611f49df (patch) | |
| tree | 3067bc130b80d52808e6390c9fc7fc087ec1e33c /arch/sparc64/lib/copy_from_user.S | |
| parent | 19c9bba94152148523ba0f7ef7cffe3d45656b11 (diff) | |
Initial revision
Diffstat (limited to 'arch/sparc64/lib/copy_from_user.S')
| -rw-r--r-- | arch/sparc64/lib/copy_from_user.S | 15 |
1 files changed, 14 insertions, 1 deletions
diff --git a/arch/sparc64/lib/copy_from_user.S b/arch/sparc64/lib/copy_from_user.S index ba26a1c01..50ec7bb3d 100644 --- a/arch/sparc64/lib/copy_from_user.S +++ b/arch/sparc64/lib/copy_from_user.S @@ -15,12 +15,16 @@ #include <asm/ptrace.h> #include <asm/asi.h> +#include <asm/head.h> + +#define PRE_RETL sethi %uhi(KERNBASE), %g4; sllx %g4, 32, %g4; #define EX(x,y,a,b,z) \ 98: x,y; \ .section .fixup,z##alloc,z##execinstr; \ .align 4; \ -99: retl; \ +99: PRE_RETL \ + retl; \ a, b, %o0; \ .section __ex_table,z##alloc; \ .align 4; \ @@ -33,6 +37,7 @@ .section .fixup,z##alloc,z##execinstr; \ .align 4; \ 99: c, d, e; \ + PRE_RETL \ retl; \ a, b, %o0; \ .section __ex_table,z##alloc; \ @@ -234,6 +239,7 @@ copy_user_last7: EX(lduba [%o1] %asi, %g2, add %g0, 1,#) stb %g2, [%o0] 1: + PRE_RETL retl clr %o0 @@ -332,6 +338,7 @@ short_table_end: EX(lduba [%o1] %asi, %g2, add %g0, 1,#) stb %g2, [%o0] 1: + PRE_RETL retl clr %o0 @@ -355,6 +362,7 @@ short_aligned_end: .section .fixup,#alloc,#execinstr .align 4 97: + PRE_RETL retl mov %o2, %o0 /* exception routine sets %g2 to (broken_insn - first_insn)>>2 */ @@ -388,6 +396,7 @@ short_aligned_end: 1: and %g1, 0x7f, %o0 add %o0, %g7, %o0 + PRE_RETL retl sub %o0, %g2, %o0 51: @@ -413,6 +422,7 @@ short_aligned_end: 3: sll %g2, 2, %g2 2: + PRE_RETL retl add %g1, %g2, %o0 52: @@ -431,6 +441,7 @@ short_aligned_end: add %g2, %g4, %g2 and %o2, 0xf, %o0 add %o0, %o3, %o0 + PRE_RETL retl sub %o0, %g2, %o0 54: @@ -441,6 +452,7 @@ short_aligned_end: and %o2, 0xf, %o2 sub %o3, %o1, %o3 sub %o2, %o4, %o2 + PRE_RETL retl add %o2, %o3, %o0 55: @@ -452,5 +464,6 @@ short_aligned_end: and %g2, 1, %g2 sll %o1, 1, %o1 add %o2, %g2, %o0 + PRE_RETL retl add %o0, %o1, %o0 |