root/arch/mips/include/asm/asmmacro-32.h
/* SPDX-License-Identifier: GPL-2.0 */
/*
 * asmmacro.h: Assembler macros to make things easier to read.
 *
 * Copyright (C) 1996 David S. Miller (davem@davemloft.net)
 * Copyright (C) 1998, 1999, 2003 Ralf Baechle
 */
#ifndef _ASM_ASMMACRO_32_H
#define _ASM_ASMMACRO_32_H

#include <asm/asm-offsets.h>
#include <asm/regdef.h>
#include <asm/fpregdef.h>
#include <asm/mipsregs.h>

        .macro  fpu_save_single thread tmp=t0
        .set push
        .set hardfloat
        cfc1    \tmp,  fcr31
        s.d     $f0,  THREAD_FPR0(\thread)
        s.d     $f2,  THREAD_FPR2(\thread)
        s.d     $f4,  THREAD_FPR4(\thread)
        s.d     $f6,  THREAD_FPR6(\thread)
        s.d     $f8,  THREAD_FPR8(\thread)
        s.d     $f10, THREAD_FPR10(\thread)
        s.d     $f12, THREAD_FPR12(\thread)
        s.d     $f14, THREAD_FPR14(\thread)
        s.d     $f16, THREAD_FPR16(\thread)
        s.d     $f18, THREAD_FPR18(\thread)
        s.d     $f20, THREAD_FPR20(\thread)
        s.d     $f22, THREAD_FPR22(\thread)
        s.d     $f24, THREAD_FPR24(\thread)
        s.d     $f26, THREAD_FPR26(\thread)
        s.d     $f28, THREAD_FPR28(\thread)
        s.d     $f30, THREAD_FPR30(\thread)
        sw      \tmp, THREAD_FCR31(\thread)
        .set pop
        .endm

        .macro  fpu_restore_single thread tmp=t0
        .set push
        .set hardfloat
        lw      \tmp, THREAD_FCR31(\thread)
        l.d     $f0,  THREAD_FPR0(\thread)
        l.d     $f2,  THREAD_FPR2(\thread)
        l.d     $f4,  THREAD_FPR4(\thread)
        l.d     $f6,  THREAD_FPR6(\thread)
        l.d     $f8,  THREAD_FPR8(\thread)
        l.d     $f10, THREAD_FPR10(\thread)
        l.d     $f12, THREAD_FPR12(\thread)
        l.d     $f14, THREAD_FPR14(\thread)
        l.d     $f16, THREAD_FPR16(\thread)
        l.d     $f18, THREAD_FPR18(\thread)
        l.d     $f20, THREAD_FPR20(\thread)
        l.d     $f22, THREAD_FPR22(\thread)
        l.d     $f24, THREAD_FPR24(\thread)
        l.d     $f26, THREAD_FPR26(\thread)
        l.d     $f28, THREAD_FPR28(\thread)
        l.d     $f30, THREAD_FPR30(\thread)
        ctc1    \tmp, fcr31
        .set pop
        .endm

        .macro  cpu_save_nonscratch thread
        LONG_S  s0, THREAD_REG16(\thread)
        LONG_S  s1, THREAD_REG17(\thread)
        LONG_S  s2, THREAD_REG18(\thread)
        LONG_S  s3, THREAD_REG19(\thread)
        LONG_S  s4, THREAD_REG20(\thread)
        LONG_S  s5, THREAD_REG21(\thread)
        LONG_S  s6, THREAD_REG22(\thread)
        LONG_S  s7, THREAD_REG23(\thread)
        LONG_S  sp, THREAD_REG29(\thread)
        LONG_S  fp, THREAD_REG30(\thread)
        .endm

        .macro  cpu_restore_nonscratch thread
        LONG_L  s0, THREAD_REG16(\thread)
        LONG_L  s1, THREAD_REG17(\thread)
        LONG_L  s2, THREAD_REG18(\thread)
        LONG_L  s3, THREAD_REG19(\thread)
        LONG_L  s4, THREAD_REG20(\thread)
        LONG_L  s5, THREAD_REG21(\thread)
        LONG_L  s6, THREAD_REG22(\thread)
        LONG_L  s7, THREAD_REG23(\thread)
        LONG_L  sp, THREAD_REG29(\thread)
        LONG_L  fp, THREAD_REG30(\thread)
        LONG_L  ra, THREAD_REG31(\thread)
        .endm

#endif /* _ASM_ASMMACRO_32_H */