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34 lines
710 B
34 lines
710 B
/* 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 ([email protected]) |
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* Copyright (C) 1997 David S. Miller ([email protected]) |
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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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