diff options
author | Sam Ravnborg <sam@ravnborg.org> | 2008-06-19 20:26:19 +0200 |
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committer | David S. Miller <davem@davemloft.net> | 2008-07-18 06:44:53 +0200 |
commit | a00736e936c2a1e9c36f22f6f3a69392eaab51f4 (patch) | |
tree | 4fd3d203dbc30d50a1b0c1acce2957e082a75173 /include/asm-sparc/fpumacro.h | |
parent | sparc: Merge asm-sparc{,64}/asi.h (diff) | |
download | linux-a00736e936c2a1e9c36f22f6f3a69392eaab51f4.tar.xz linux-a00736e936c2a1e9c36f22f6f3a69392eaab51f4.zip |
sparc: copy sparc64 specific files to asm-sparc
Used the following script to copy the files:
cd include
set -e
SPARC64=`ls asm-sparc64`
for FILE in ${SPARC64}; do
if [ -f asm-sparc/$FILE ]; then
echo $FILE exist in asm-sparc
else
git mv asm-sparc64/$FILE asm-sparc/$FILE
printf "#include <asm-sparc/$FILE>\n" > asm-sparc64/$FILE
git add asm-sparc64/$FILE
fi
done
Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
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 000000000000..cc463fec806f --- /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) */ |