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| author | David Woodhouse <David.Woodhouse@intel.com> | 2008-07-25 10:40:14 -0400 |
|---|---|---|
| committer | David Woodhouse <David.Woodhouse@intel.com> | 2008-07-25 10:40:14 -0400 |
| commit | ff877ea80efa2015b6263766f78ee42c2a1b32f9 (patch) | |
| tree | 85205005c611ab774702148558321c6fb92f1ccd /include/asm-sparc/fpumacro.h | |
| parent | 30821fee4f0cb3e6d241d9f7ddc37742212e3eb7 (diff) | |
| parent | d37e6bf68fc1eb34a4ad21d9ae8890ed37ea80e7 (diff) | |
| download | op-kernel-dev-ff877ea80efa2015b6263766f78ee42c2a1b32f9.zip op-kernel-dev-ff877ea80efa2015b6263766f78ee42c2a1b32f9.tar.gz | |
Merge branch 'linux-next' of git://git.infradead.org/~dedekind/ubi-2.6
Diffstat (limited to 'include/asm-sparc/fpumacro.h')
| -rw-r--r-- | include/asm-sparc/fpumacro.h | 33 |
1 files changed, 33 insertions, 0 deletions
diff --git a/include/asm-sparc/fpumacro.h b/include/asm-sparc/fpumacro.h new file mode 100644 index 0000000..cc463fe --- /dev/null +++ b/include/asm-sparc/fpumacro.h @@ -0,0 +1,33 @@ +/* fpumacro.h: FPU related macros. + * + * Copyright (C) 1997 Jakub Jelinek (jj@sunsite.mff.cuni.cz) + * Copyright (C) 1997 David S. Miller (davem@caip.rutgers.edu) + */ + +#ifndef _SPARC64_FPUMACRO_H +#define _SPARC64_FPUMACRO_H + +#include <asm/asi.h> +#include <asm/visasm.h> + +struct fpustate { + u32 regs[64]; +}; + +#define FPUSTATE (struct fpustate *)(current_thread_info()->fpregs) + +static inline unsigned long fprs_read(void) +{ + unsigned long retval; + + __asm__ __volatile__("rd %%fprs, %0" : "=r" (retval)); + + return retval; +} + +static inline void fprs_write(unsigned long val) +{ + __asm__ __volatile__("wr %0, 0x0, %%fprs" : : "r" (val)); +} + +#endif /* !(_SPARC64_FPUMACRO_H) */ |
