diff options
Diffstat (limited to 'include/asm-sparc64/fpumacro.h')
-rw-r--r-- | include/asm-sparc64/fpumacro.h | 33 |
1 files changed, 33 insertions, 0 deletions
diff --git a/include/asm-sparc64/fpumacro.h b/include/asm-sparc64/fpumacro.h new file mode 100644 index 000000000000..d583e5efd75d --- /dev/null +++ b/include/asm-sparc64/fpumacro.h | |||
@@ -0,0 +1,33 @@ | |||
1 | /* fpumacro.h: FPU related macros. | ||
2 | * | ||
3 | * Copyright (C) 1997 Jakub Jelinek (jj@sunsite.mff.cuni.cz) | ||
4 | * Copyright (C) 1997 David S. Miller (davem@caip.rutgers.edu) | ||
5 | */ | ||
6 | |||
7 | #ifndef _SPARC64_FPUMACRO_H | ||
8 | #define _SPARC64_FPUMACRO_H | ||
9 | |||
10 | #include <asm/asi.h> | ||
11 | #include <asm/visasm.h> | ||
12 | |||
13 | struct fpustate { | ||
14 | u32 regs[64]; | ||
15 | }; | ||
16 | |||
17 | #define FPUSTATE (struct fpustate *)(current_thread_info()->fpregs) | ||
18 | |||
19 | static __inline__ unsigned long fprs_read(void) | ||
20 | { | ||
21 | unsigned long retval; | ||
22 | |||
23 | __asm__ __volatile__("rd %%fprs, %0" : "=r" (retval)); | ||
24 | |||
25 | return retval; | ||
26 | } | ||
27 | |||
28 | static __inline__ void fprs_write(unsigned long val) | ||
29 | { | ||
30 | __asm__ __volatile__("wr %0, 0x0, %%fprs" : : "r" (val)); | ||
31 | } | ||
32 | |||
33 | #endif /* !(_SPARC64_FPUMACRO_H) */ | ||