LXR linux/arch/mips/include/asm/asmmacro-32.h

   1/* SPDX-License-Identifier: GPL-2.0 */
   2/*
   3 * asmmacro.h: Assembler macros to make things easier to read.
   4 *
   5 * Copyright (C) 1996 David S. Miller (davem@davemloft.net)
   6 * Copyright (C) 1998, 1999, 2003 Ralf Baechle
   7 */
   8#ifndef _ASM_ASMMACRO_32_H
   9#define _ASM_ASMMACRO_32_H
  10
  11#include <asm/asm-offsets.h>
  12#include <asm/regdef.h>
  13#include <asm/fpregdef.h>
  14#include <asm/mipsregs.h>
  15
  16        .macro  fpu_save_single thread tmp=t0
  17        .set push
  18        SET_HARDFLOAT
  19        cfc1    \tmp,  fcr31
  20        s.d     $f0,  THREAD_FPR0(\thread)
  21        s.d     $f2,  THREAD_FPR2(\thread)
  22        s.d     $f4,  THREAD_FPR4(\thread)
  23        s.d     $f6,  THREAD_FPR6(\thread)
  24        s.d     $f8,  THREAD_FPR8(\thread)
  25        s.d     $f10, THREAD_FPR10(\thread)
  26        s.d     $f12, THREAD_FPR12(\thread)
  27        s.d     $f14, THREAD_FPR14(\thread)
  28        s.d     $f16, THREAD_FPR16(\thread)
  29        s.d     $f18, THREAD_FPR18(\thread)
  30        s.d     $f20, THREAD_FPR20(\thread)
  31        s.d     $f22, THREAD_FPR22(\thread)
  32        s.d     $f24, THREAD_FPR24(\thread)
  33        s.d     $f26, THREAD_FPR26(\thread)
  34        s.d     $f28, THREAD_FPR28(\thread)
  35        s.d     $f30, THREAD_FPR30(\thread)
  36        sw      \tmp, THREAD_FCR31(\thread)
  37        .set pop
  38        .endm
  39
  40        .macro  fpu_restore_single thread tmp=t0
  41        .set push
  42        SET_HARDFLOAT
  43        lw      \tmp, THREAD_FCR31(\thread)
  44        l.d     $f0,  THREAD_FPR0(\thread)
  45        l.d     $f2,  THREAD_FPR2(\thread)
  46        l.d     $f4,  THREAD_FPR4(\thread)
  47        l.d     $f6,  THREAD_FPR6(\thread)
  48        l.d     $f8,  THREAD_FPR8(\thread)
  49        l.d     $f10, THREAD_FPR10(\thread)
  50        l.d     $f12, THREAD_FPR12(\thread)
  51        l.d     $f14, THREAD_FPR14(\thread)
  52        l.d     $f16, THREAD_FPR16(\thread)
  53        l.d     $f18, THREAD_FPR18(\thread)
  54        l.d     $f20, THREAD_FPR20(\thread)
  55        l.d     $f22, THREAD_FPR22(\thread)
  56        l.d     $f24, THREAD_FPR24(\thread)
  57        l.d     $f26, THREAD_FPR26(\thread)
  58        l.d     $f28, THREAD_FPR28(\thread)
  59        l.d     $f30, THREAD_FPR30(\thread)
  60        ctc1    \tmp, fcr31
  61        .set pop
  62        .endm
  63
  64        .macro  cpu_save_nonscratch thread
  65        LONG_S  s0, THREAD_REG16(\thread)
  66        LONG_S  s1, THREAD_REG17(\thread)
  67        LONG_S  s2, THREAD_REG18(\thread)
  68        LONG_S  s3, THREAD_REG19(\thread)
  69        LONG_S  s4, THREAD_REG20(\thread)
  70        LONG_S  s5, THREAD_REG21(\thread)
  71        LONG_S  s6, THREAD_REG22(\thread)
  72        LONG_S  s7, THREAD_REG23(\thread)
  73        LONG_S  sp, THREAD_REG29(\thread)
  74        LONG_S  fp, THREAD_REG30(\thread)
  75        .endm
  76
  77        .macro  cpu_restore_nonscratch thread
  78        LONG_L  s0, THREAD_REG16(\thread)
  79        LONG_L  s1, THREAD_REG17(\thread)
  80        LONG_L  s2, THREAD_REG18(\thread)
  81        LONG_L  s3, THREAD_REG19(\thread)
  82        LONG_L  s4, THREAD_REG20(\thread)
  83        LONG_L  s5, THREAD_REG21(\thread)
  84        LONG_L  s6, THREAD_REG22(\thread)
  85        LONG_L  s7, THREAD_REG23(\thread)
  86        LONG_L  sp, THREAD_REG29(\thread)
  87        LONG_L  fp, THREAD_REG30(\thread)
  88        LONG_L  ra, THREAD_REG31(\thread)
  89        .endm
  90
  91#endif /* _ASM_ASMMACRO_32_H */
  92