| /* 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) */ |