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   1 /*
   2  * asmmacro.h: Assembler macros to make things easier to read.
   3  *
   4  * Copyright (C) 1996 David S. Miller (dm@engr.sgi.com)
   5  * Copyright (C) 1998, 1999, 2003 Ralf Baechle
   6  */
   7 #ifndef _ASM_ASMMACRO_32_H
   8 #define _ASM_ASMMACRO_32_H
   9
  10 #include <asm/asm-offsets.h>
  11 #include <asm/regdef.h>
  12 #include <asm/fpregdef.h>
  13 #include <asm/mipsregs.h>
  14
  15         .macro  fpu_save_double thread status tmp1=t0
  16         cfc1    \tmp1,  fcr31
  17         sdc1    $f0,  THREAD_FPR0(\thread)
  18         sdc1    $f2,  THREAD_FPR2(\thread)
  19         sdc1    $f4,  THREAD_FPR4(\thread)
  20         sdc1    $f6,  THREAD_FPR6(\thread)
  21         sdc1    $f8,  THREAD_FPR8(\thread)
  22         sdc1    $f10, THREAD_FPR10(\thread)
  23         sdc1    $f12, THREAD_FPR12(\thread)
  24         sdc1    $f14, THREAD_FPR14(\thread)
  25         sdc1    $f16, THREAD_FPR16(\thread)
  26         sdc1    $f18, THREAD_FPR18(\thread)
  27         sdc1    $f20, THREAD_FPR20(\thread)
  28         sdc1    $f22, THREAD_FPR22(\thread)
  29         sdc1    $f24, THREAD_FPR24(\thread)
  30         sdc1    $f26, THREAD_FPR26(\thread)
  31         sdc1    $f28, THREAD_FPR28(\thread)
  32         sdc1    $f30, THREAD_FPR30(\thread)
  33         sw      \tmp1, THREAD_FCR31(\thread)
  34         .endm
  35
  36         .macro  fpu_save_single thread tmp=t0
  37         cfc1    \tmp,  fcr31
  38         swc1    $f0,  THREAD_FPR0(\thread)
  39         swc1    $f1,  THREAD_FPR1(\thread)
  40         swc1    $f2,  THREAD_FPR2(\thread)
  41         swc1    $f3,  THREAD_FPR3(\thread)
  42         swc1    $f4,  THREAD_FPR4(\thread)
  43         swc1    $f5,  THREAD_FPR5(\thread)
  44         swc1    $f6,  THREAD_FPR6(\thread)
  45         swc1    $f7,  THREAD_FPR7(\thread)
  46         swc1    $f8,  THREAD_FPR8(\thread)
  47         swc1    $f9,  THREAD_FPR9(\thread)
  48         swc1    $f10, THREAD_FPR10(\thread)
  49         swc1    $f11, THREAD_FPR11(\thread)
  50         swc1    $f12, THREAD_FPR12(\thread)
  51         swc1    $f13, THREAD_FPR13(\thread)
  52         swc1    $f14, THREAD_FPR14(\thread)
  53         swc1    $f15, THREAD_FPR15(\thread)
  54         swc1    $f16, THREAD_FPR16(\thread)
  55         swc1    $f17, THREAD_FPR17(\thread)
  56         swc1    $f18, THREAD_FPR18(\thread)
  57         swc1    $f19, THREAD_FPR19(\thread)
  58         swc1    $f20, THREAD_FPR20(\thread)
  59         swc1    $f21, THREAD_FPR21(\thread)
  60         swc1    $f22, THREAD_FPR22(\thread)
  61         swc1    $f23, THREAD_FPR23(\thread)
  62         swc1    $f24, THREAD_FPR24(\thread)
  63         swc1    $f25, THREAD_FPR25(\thread)
  64         swc1    $f26, THREAD_FPR26(\thread)
  65         swc1    $f27, THREAD_FPR27(\thread)
  66         swc1    $f28, THREAD_FPR28(\thread)
  67         swc1    $f29, THREAD_FPR29(\thread)
  68         swc1    $f30, THREAD_FPR30(\thread)
  69         swc1    $f31, THREAD_FPR31(\thread)
  70         sw      \tmp, THREAD_FCR31(\thread)
  71         .endm
  72
  73         .macro  fpu_restore_double thread status tmp=t0
  74         lw      \tmp, THREAD_FCR31(\thread)
  75         ldc1    $f0,  THREAD_FPR0(\thread)
  76         ldc1    $f2,  THREAD_FPR2(\thread)
  77         ldc1    $f4,  THREAD_FPR4(\thread)
  78         ldc1    $f6,  THREAD_FPR6(\thread)
  79         ldc1    $f8,  THREAD_FPR8(\thread)
  80         ldc1    $f10, THREAD_FPR10(\thread)
  81         ldc1    $f12, THREAD_FPR12(\thread)
  82         ldc1    $f14, THREAD_FPR14(\thread)
  83         ldc1    $f16, THREAD_FPR16(\thread)
  84         ldc1    $f18, THREAD_FPR18(\thread)
  85         ldc1    $f20, THREAD_FPR20(\thread)
  86         ldc1    $f22, THREAD_FPR22(\thread)
  87         ldc1    $f24, THREAD_FPR24(\thread)
  88         ldc1    $f26, THREAD_FPR26(\thread)
  89         ldc1    $f28, THREAD_FPR28(\thread)
  90         ldc1    $f30, THREAD_FPR30(\thread)
  91         ctc1    \tmp, fcr31
  92         .endm
  93
  94         .macro  fpu_restore_single thread tmp=t0
  95         lw      \tmp, THREAD_FCR31(\thread)
  96         lwc1    $f0,  THREAD_FPR0(\thread)
  97         lwc1    $f1,  THREAD_FPR1(\thread)
  98         lwc1    $f2,  THREAD_FPR2(\thread)
  99         lwc1    $f3,  THREAD_FPR3(\thread)
 100         lwc1    $f4,  THREAD_FPR4(\thread)
 101         lwc1    $f5,  THREAD_FPR5(\thread)
 102         lwc1    $f6,  THREAD_FPR6(\thread)
 103         lwc1    $f7,  THREAD_FPR7(\thread)
 104         lwc1    $f8,  THREAD_FPR8(\thread)
 105         lwc1    $f9,  THREAD_FPR9(\thread)
 106         lwc1    $f10, THREAD_FPR10(\thread)
 107         lwc1    $f11, THREAD_FPR11(\thread)
 108         lwc1    $f12, THREAD_FPR12(\thread)
 109         lwc1    $f13, THREAD_FPR13(\thread)
 110         lwc1    $f14, THREAD_FPR14(\thread)
 111         lwc1    $f15, THREAD_FPR15(\thread)
 112         lwc1    $f16, THREAD_FPR16(\thread)
 113         lwc1    $f17, THREAD_FPR17(\thread)
 114         lwc1    $f18, THREAD_FPR18(\thread)
 115         lwc1    $f19, THREAD_FPR19(\thread)
 116         lwc1    $f20, THREAD_FPR20(\thread)
 117         lwc1    $f21, THREAD_FPR21(\thread)
 118         lwc1    $f22, THREAD_FPR22(\thread)
 119         lwc1    $f23, THREAD_FPR23(\thread)
 120         lwc1    $f24, THREAD_FPR24(\thread)
 121         lwc1    $f25, THREAD_FPR25(\thread)
 122         lwc1    $f26, THREAD_FPR26(\thread)
 123         lwc1    $f27, THREAD_FPR27(\thread)
 124         lwc1    $f28, THREAD_FPR28(\thread)
 125         lwc1    $f29, THREAD_FPR29(\thread)
 126         lwc1    $f30, THREAD_FPR30(\thread)
 127         lwc1    $f31, THREAD_FPR31(\thread)
 128         ctc1    \tmp, fcr31
 129         .endm
 130
 131         .macro  cpu_save_nonscratch thread
 132         LONG_S  s0, THREAD_REG16(\thread)
 133         LONG_S  s1, THREAD_REG17(\thread)
 134         LONG_S  s2, THREAD_REG18(\thread)
 135         LONG_S  s3, THREAD_REG19(\thread)
 136         LONG_S  s4, THREAD_REG20(\thread)
 137         LONG_S  s5, THREAD_REG21(\thread)
 138         LONG_S  s6, THREAD_REG22(\thread)
 139         LONG_S  s7, THREAD_REG23(\thread)
 140         LONG_S  sp, THREAD_REG29(\thread)
 141         LONG_S  fp, THREAD_REG30(\thread)
 142         .endm
 143
 144         .macro  cpu_restore_nonscratch thread
 145         LONG_L  s0, THREAD_REG16(\thread)
 146         LONG_L  s1, THREAD_REG17(\thread)
 147         LONG_L  s2, THREAD_REG18(\thread)
 148         LONG_L  s3, THREAD_REG19(\thread)
 149         LONG_L  s4, THREAD_REG20(\thread)
 150         LONG_L  s5, THREAD_REG21(\thread)
 151         LONG_L  s6, THREAD_REG22(\thread)
 152         LONG_L  s7, THREAD_REG23(\thread)
 153         LONG_L  sp, THREAD_REG29(\thread)
 154         LONG_L  fp, THREAD_REG30(\thread)
 155         LONG_L  ra, THREAD_REG31(\thread)
 156         .endm
 157
 158 #endif /* _ASM_ASMMACRO_32_H */