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torvalds
GitHub Repository: torvalds/linux
 Path: blob/master/arch/mips/include/asm/asmmacro-32.h
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/* SPDX-License-Identifier: GPL-2.0 */

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/*

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 * asmmacro.h: Assembler macros to make things easier to read.

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 *

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 * Copyright (C) 1996 David S. Miller ([email protected])

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 * Copyright (C) 1998, 1999, 2003 Ralf Baechle

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 */

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#ifndef _ASM_ASMMACRO_32_H

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#define _ASM_ASMMACRO_32_H

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#include <asm/asm-offsets.h>

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#include <asm/regdef.h>

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#include <asm/fpregdef.h>

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#include <asm/mipsregs.h>

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	.macro	fpu_save_single thread tmp=t0

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	.set push

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	.set hardfloat

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	cfc1	\tmp,  fcr31

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	s.d	$f0,  THREAD_FPR0(\thread)

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	s.d	$f2,  THREAD_FPR2(\thread)

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	s.d	$f4,  THREAD_FPR4(\thread)

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	s.d	$f6,  THREAD_FPR6(\thread)

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	s.d	$f8,  THREAD_FPR8(\thread)

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	s.d	$f10, THREAD_FPR10(\thread)

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	s.d	$f12, THREAD_FPR12(\thread)

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	s.d	$f14, THREAD_FPR14(\thread)

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	s.d	$f16, THREAD_FPR16(\thread)

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	s.d	$f18, THREAD_FPR18(\thread)

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	s.d	$f20, THREAD_FPR20(\thread)

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	s.d	$f22, THREAD_FPR22(\thread)

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	s.d	$f24, THREAD_FPR24(\thread)

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	s.d	$f26, THREAD_FPR26(\thread)

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	s.d	$f28, THREAD_FPR28(\thread)

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	s.d	$f30, THREAD_FPR30(\thread)

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	sw	\tmp, THREAD_FCR31(\thread)

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	.set pop

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	.endm

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	.macro	fpu_restore_single thread tmp=t0

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	.set push

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	.set hardfloat

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	lw	\tmp, THREAD_FCR31(\thread)

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	l.d	$f0,  THREAD_FPR0(\thread)

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	l.d	$f2,  THREAD_FPR2(\thread)

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	l.d	$f4,  THREAD_FPR4(\thread)

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	l.d	$f6,  THREAD_FPR6(\thread)

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	l.d	$f8,  THREAD_FPR8(\thread)

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	l.d	$f10, THREAD_FPR10(\thread)

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	l.d	$f12, THREAD_FPR12(\thread)

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	l.d	$f14, THREAD_FPR14(\thread)

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	l.d	$f16, THREAD_FPR16(\thread)

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	l.d	$f18, THREAD_FPR18(\thread)

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	l.d	$f20, THREAD_FPR20(\thread)

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	l.d	$f22, THREAD_FPR22(\thread)

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	l.d	$f24, THREAD_FPR24(\thread)

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	l.d	$f26, THREAD_FPR26(\thread)

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	l.d	$f28, THREAD_FPR28(\thread)

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	l.d	$f30, THREAD_FPR30(\thread)

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	ctc1	\tmp, fcr31

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	.set pop

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	.endm

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	.macro	cpu_save_nonscratch thread

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	LONG_S	s0, THREAD_REG16(\thread)

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	LONG_S	s1, THREAD_REG17(\thread)

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	LONG_S	s2, THREAD_REG18(\thread)

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	LONG_S	s3, THREAD_REG19(\thread)

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	LONG_S	s4, THREAD_REG20(\thread)

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	LONG_S	s5, THREAD_REG21(\thread)

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	LONG_S	s6, THREAD_REG22(\thread)

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	LONG_S	s7, THREAD_REG23(\thread)

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	LONG_S	sp, THREAD_REG29(\thread)

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	LONG_S	fp, THREAD_REG30(\thread)

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	.endm

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	.macro	cpu_restore_nonscratch thread

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	LONG_L	s0, THREAD_REG16(\thread)

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	LONG_L	s1, THREAD_REG17(\thread)

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	LONG_L	s2, THREAD_REG18(\thread)

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	LONG_L	s3, THREAD_REG19(\thread)

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	LONG_L	s4, THREAD_REG20(\thread)

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	LONG_L	s5, THREAD_REG21(\thread)

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	LONG_L	s6, THREAD_REG22(\thread)

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	LONG_L	s7, THREAD_REG23(\thread)

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	LONG_L	sp, THREAD_REG29(\thread)

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	LONG_L	fp, THREAD_REG30(\thread)

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	LONG_L	ra, THREAD_REG31(\thread)

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	.endm

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#endif /* _ASM_ASMMACRO_32_H */

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