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kernel-49/arch/sparc/include/asm/fpumacro.h
Andrey Zolotarev e72e9355e3 start the android-4.9 tree
git: https://android.googlesource.com/kernel/common
branch: android-4.9
commit: 03fcc2fe71308c2d164b4e6cbfc738c63e670444
2018-11-15 21:36:32 +03:00

34 lines
671 B
C

/* 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) */