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| author | Ingo Molnar <mingo@elte.hu> | 2008-12-31 08:19:48 +0100 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2008-12-31 08:19:48 +0100 |
| commit | 818fa7f3908c7bd6c0045e9d94dc23a899ef6144 (patch) | |
| tree | ad3435c3f57c8222ad61709b716168932f13be6c /arch/sparc/lib/GENcopy_from_user.S | |
| parent | 3fd4bc015ef879a7d2b955ce97fb125e3a51ba7e (diff) | |
| parent | 5fdf7e5975a0b0f6a0370655612c5dca3fd6311b (diff) | |
| download | op-kernel-dev-818fa7f3908c7bd6c0045e9d94dc23a899ef6144.zip op-kernel-dev-818fa7f3908c7bd6c0045e9d94dc23a899ef6144.tar.gz | |
Merge branch 'tracing/kmemtrace' into tracing/kmemtrace2
Diffstat (limited to 'arch/sparc/lib/GENcopy_from_user.S')
| -rw-r--r-- | arch/sparc/lib/GENcopy_from_user.S | 34 |
1 files changed, 34 insertions, 0 deletions
diff --git a/arch/sparc/lib/GENcopy_from_user.S b/arch/sparc/lib/GENcopy_from_user.S new file mode 100644 index 0000000..2b9df99 --- /dev/null +++ b/arch/sparc/lib/GENcopy_from_user.S @@ -0,0 +1,34 @@ +/* GENcopy_from_user.S: Generic sparc64 copy from userspace. + * + * Copyright (C) 2007 David S. Miller (davem@davemloft.net) + */ + +#define EX_LD(x) \ +98: x; \ + .section .fixup; \ + .align 4; \ +99: retl; \ + mov 1, %o0; \ + .section __ex_table,"a";\ + .align 4; \ + .word 98b, 99b; \ + .text; \ + .align 4; + +#ifndef ASI_AIUS +#define ASI_AIUS 0x11 +#endif + +#define FUNC_NAME GENcopy_from_user +#define LOAD(type,addr,dest) type##a [addr] ASI_AIUS, dest +#define EX_RETVAL(x) 0 + +#ifdef __KERNEL__ +#define PREAMBLE \ + rd %asi, %g1; \ + cmp %g1, ASI_AIUS; \ + bne,pn %icc, memcpy_user_stub; \ + nop +#endif + +#include "GENmemcpy.S" |
