35 lines
710 B
C
35 lines
710 B
C
/* SPDX-License-Identifier: GPL-2.0 */
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/* fpumacro.h: FPU related macros.
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*
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* Copyright (C) 1997 Jakub Jelinek (jj@sunsite.mff.cuni.cz)
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* Copyright (C) 1997 David S. Miller (davem@caip.rutgers.edu)
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*/
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#ifndef _SPARC64_FPUMACRO_H
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#define _SPARC64_FPUMACRO_H
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#include <asm/asi.h>
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#include <asm/visasm.h>
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struct fpustate {
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u32 regs[64];
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};
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#define FPUSTATE (struct fpustate *)(current_thread_info()->fpregs)
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static inline unsigned long fprs_read(void)
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{
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unsigned long retval;
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__asm__ __volatile__("rd %%fprs, %0" : "=r" (retval));
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return retval;
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}
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static inline void fprs_write(unsigned long val)
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{
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__asm__ __volatile__("wr %0, 0x0, %%fprs" : : "r" (val));
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}
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#endif /* !(_SPARC64_FPUMACRO_H) */
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