diff options
author | Ingo Molnar <mingo@elte.hu> | 2008-07-25 11:37:07 +0200 |
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committer | Ingo Molnar <mingo@elte.hu> | 2008-07-25 11:37:07 +0200 |
commit | 0e2f65ee30eee2db054f7fd73f462c5da33ec963 (patch) | |
tree | 26c61eb7745da0c0d9135e9d12088f570cb8530d /include/asm-sparc64/visasm.h | |
parent | da7878d75b8520c9ae00d27dfbbce546a7bfdfbb (diff) | |
parent | fb2e405fc1fc8b20d9c78eaa1c7fd5a297efde43 (diff) |
Merge branch 'linus' into x86/pebs
Conflicts:
arch/x86/Kconfig.cpu
arch/x86/kernel/cpu/intel.c
arch/x86/kernel/setup_64.c
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'include/asm-sparc64/visasm.h')
-rw-r--r-- | include/asm-sparc64/visasm.h | 63 |
1 files changed, 1 insertions, 62 deletions
diff --git a/include/asm-sparc64/visasm.h b/include/asm-sparc64/visasm.h index 34f2ec64933..837a12278f4 100644 --- a/include/asm-sparc64/visasm.h +++ b/include/asm-sparc64/visasm.h @@ -1,62 +1 @@ -#ifndef _SPARC64_VISASM_H -#define _SPARC64_VISASM_H - -/* visasm.h: FPU saving macros for VIS routines - * - * Copyright (C) 1998 Jakub Jelinek (jj@ultra.linux.cz) - */ - -#include <asm/pstate.h> -#include <asm/ptrace.h> - -/* Clobbers %o5, %g1, %g2, %g3, %g7, %icc, %xcc */ - -#define VISEntry \ - rd %fprs, %o5; \ - andcc %o5, (FPRS_FEF|FPRS_DU), %g0; \ - be,pt %icc, 297f; \ - sethi %hi(297f), %g7; \ - sethi %hi(VISenter), %g1; \ - jmpl %g1 + %lo(VISenter), %g0; \ - or %g7, %lo(297f), %g7; \ -297: wr %g0, FPRS_FEF, %fprs; \ - -#define VISExit \ - wr %g0, 0, %fprs; - -/* Clobbers %o5, %g1, %g2, %g3, %g7, %icc, %xcc. - * Must preserve %o5 between VISEntryHalf and VISExitHalf */ - -#define VISEntryHalf \ - rd %fprs, %o5; \ - andcc %o5, FPRS_FEF, %g0; \ - be,pt %icc, 297f; \ - sethi %hi(298f), %g7; \ - sethi %hi(VISenterhalf), %g1; \ - jmpl %g1 + %lo(VISenterhalf), %g0; \ - or %g7, %lo(298f), %g7; \ - clr %o5; \ -297: wr %o5, FPRS_FEF, %fprs; \ -298: - -#define VISExitHalf \ - wr %o5, 0, %fprs; - -#ifndef __ASSEMBLY__ -static inline void save_and_clear_fpu(void) { - __asm__ __volatile__ ( -" rd %%fprs, %%o5\n" -" andcc %%o5, %0, %%g0\n" -" be,pt %%icc, 299f\n" -" sethi %%hi(298f), %%g7\n" -" sethi %%hi(VISenter), %%g1\n" -" jmpl %%g1 + %%lo(VISenter), %%g0\n" -" or %%g7, %%lo(298f), %%g7\n" -" 298: wr %%g0, 0, %%fprs\n" -" 299:\n" -" " : : "i" (FPRS_FEF|FPRS_DU) : - "o5", "g1", "g2", "g3", "g7", "cc"); -} -#endif - -#endif /* _SPARC64_ASI_H */ +#include <asm-sparc/visasm.h> |