include/asm-mips64/asmmacro.h

   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 Ralf Baechle
   6  * Copyright (C) 1999 Silicon Graphics, Inc.
   7  */
   8 #ifndef _ASM_ASMMACRO_H
   9 #define _ASM_ASMMACRO_H
  10
  11 #include <linux/config.h>
  12 #include <asm/offset.h>
  13
  14 #ifdef CONFIG_CPU_SB1
  15 #define FPU_ENABLE_HAZARD               \
  16         .set    push;                   \
  17         .set    noreorder;              \
  18         .set    mips2;                  \
  19         SSNOP;                          \
  20         bnezl   $0, .+4;                \
  21          SSNOP;                         \
  22         .set    pop
  23 #else
  24 #define FPU_ENABLE_HAZARD
  25 #endif
  26
  27         .macro  fpu_save_16even thread tmp
  28         cfc1    \tmp, fcr31
  29         sdc1    $f2,  (THREAD_FPU + 0x010)(\thread)
  30         sdc1    $f4,  (THREAD_FPU + 0x020)(\thread)
  31         sdc1    $f6,  (THREAD_FPU + 0x030)(\thread)
  32         sdc1    $f8,  (THREAD_FPU + 0x040)(\thread)
  33         sdc1    $f10, (THREAD_FPU + 0x050)(\thread)
  34         sdc1    $f12, (THREAD_FPU + 0x060)(\thread)
  35         sdc1    $f14, (THREAD_FPU + 0x070)(\thread)
  36         sdc1    $f16, (THREAD_FPU + 0x080)(\thread)
  37         sdc1    $f18, (THREAD_FPU + 0x090)(\thread)
  38         sdc1    $f20, (THREAD_FPU + 0x0a0)(\thread)
  39         sdc1    $f22, (THREAD_FPU + 0x0b0)(\thread)
  40         sdc1    $f24, (THREAD_FPU + 0x0c0)(\thread)
  41         sdc1    $f26, (THREAD_FPU + 0x0d0)(\thread)
  42         sdc1    $f28, (THREAD_FPU + 0x0e0)(\thread)
  43         sdc1    $f30, (THREAD_FPU + 0x0f0)(\thread)
  44         sw      \tmp, (THREAD_FPU + 0x100)(\thread)
  45         .endm
  46
  47         .macro  fpu_save_16odd thread
  48         sdc1    $f1,  (THREAD_FPU + 0x08)(\thread)
  49         sdc1    $f3,  (THREAD_FPU + 0x18)(\thread)
  50         sdc1    $f5,  (THREAD_FPU + 0x28)(\thread)
  51         sdc1    $f7,  (THREAD_FPU + 0x38)(\thread)
  52         sdc1    $f9,  (THREAD_FPU + 0x48)(\thread)
  53         sdc1    $f11, (THREAD_FPU + 0x58)(\thread)
  54         sdc1    $f13, (THREAD_FPU + 0x68)(\thread)
  55         sdc1    $f15, (THREAD_FPU + 0x78)(\thread)
  56         sdc1    $f17, (THREAD_FPU + 0x88)(\thread)
  57         sdc1    $f19, (THREAD_FPU + 0x98)(\thread)
  58         sdc1    $f21, (THREAD_FPU + 0xa8)(\thread)
  59         sdc1    $f23, (THREAD_FPU + 0xb8)(\thread)
  60         sdc1    $f25, (THREAD_FPU + 0xc8)(\thread)
  61         sdc1    $f27, (THREAD_FPU + 0xd8)(\thread)
  62         sdc1    $f29, (THREAD_FPU + 0xe8)(\thread)
  63         sdc1    $f31, (THREAD_FPU + 0xf8)(\thread)
  64         .endm
  65
  66         .macro  fpu_save thread tmp
  67         cfc1    \tmp,  fcr31
  68         swc1    $f0,  (THREAD_FPU + 0x000)(\thread)
  69         swc1    $f1,  (THREAD_FPU + 0x008)(\thread)
  70         swc1    $f2,  (THREAD_FPU + 0x010)(\thread)
  71         swc1    $f3,  (THREAD_FPU + 0x018)(\thread)
  72         swc1    $f4,  (THREAD_FPU + 0x020)(\thread)
  73         swc1    $f5,  (THREAD_FPU + 0x028)(\thread)
  74         swc1    $f6,  (THREAD_FPU + 0x030)(\thread)
  75         swc1    $f7,  (THREAD_FPU + 0x038)(\thread)
  76         swc1    $f8,  (THREAD_FPU + 0x040)(\thread)
  77         swc1    $f9,  (THREAD_FPU + 0x048)(\thread)
  78         swc1    $f10, (THREAD_FPU + 0x050)(\thread)
  79         swc1    $f11, (THREAD_FPU + 0x058)(\thread)
  80         swc1    $f12, (THREAD_FPU + 0x060)(\thread)
  81         swc1    $f13, (THREAD_FPU + 0x068)(\thread)
  82         swc1    $f14, (THREAD_FPU + 0x070)(\thread)
  83         swc1    $f15, (THREAD_FPU + 0x078)(\thread)
  84         swc1    $f16, (THREAD_FPU + 0x080)(\thread)
  85         swc1    $f17, (THREAD_FPU + 0x088)(\thread)
  86         swc1    $f18, (THREAD_FPU + 0x090)(\thread)
  87         swc1    $f19, (THREAD_FPU + 0x098)(\thread)
  88         swc1    $f20, (THREAD_FPU + 0x0a0)(\thread)
  89         swc1    $f21, (THREAD_FPU + 0x0a8)(\thread)
  90         swc1    $f22, (THREAD_FPU + 0x0b0)(\thread)
  91         swc1    $f23, (THREAD_FPU + 0x0b8)(\thread)
  92         swc1    $f24, (THREAD_FPU + 0x0c0)(\thread)
  93         swc1    $f25, (THREAD_FPU + 0x0c8)(\thread)
  94         swc1    $f26, (THREAD_FPU + 0x0d0)(\thread)
  95         swc1    $f27, (THREAD_FPU + 0x0d8)(\thread)
  96         swc1    $f28, (THREAD_FPU + 0x0e0)(\thread)
  97         swc1    $f29, (THREAD_FPU + 0x0e8)(\thread)
  98         swc1    $f30, (THREAD_FPU + 0x0f0)(\thread)
  99         swc1    $f31, (THREAD_FPU + 0x0f8)(\thread)
 100         sw      \tmp, (THREAD_FPU + 0x100)(\thread)
 101         .endm
 102
 103         .macro  fpu_restore_16even thread tmp
 104         lw      \tmp, (THREAD_FPU + 0x100)(\thread)
 105         ldc1    $f2,  (THREAD_FPU + 0x010)(\thread)
 106         ldc1    $f4,  (THREAD_FPU + 0x020)(\thread)
 107         ldc1    $f6,  (THREAD_FPU + 0x030)(\thread)
 108         ldc1    $f8,  (THREAD_FPU + 0x040)(\thread)
 109         ldc1    $f10, (THREAD_FPU + 0x050)(\thread)
 110         ldc1    $f12, (THREAD_FPU + 0x060)(\thread)
 111         ldc1    $f14, (THREAD_FPU + 0x070)(\thread)
 112         ldc1    $f16, (THREAD_FPU + 0x080)(\thread)
 113         ldc1    $f18, (THREAD_FPU + 0x090)(\thread)
 114         ldc1    $f20, (THREAD_FPU + 0x0a0)(\thread)
 115         ldc1    $f22, (THREAD_FPU + 0x0b0)(\thread)
 116         ldc1    $f24, (THREAD_FPU + 0x0c0)(\thread)
 117         ldc1    $f26, (THREAD_FPU + 0x0d0)(\thread)
 118         ldc1    $f28, (THREAD_FPU + 0x0e0)(\thread)
 119         ldc1    $f30, (THREAD_FPU + 0x0f0)(\thread)
 120         ctc1    \tmp,  fcr31
 121         .endm
 122
 123         .macro  fpu_restore_16odd thread
 124         ldc1    $f1,  (THREAD_FPU + 0x08)(\thread)
 125         ldc1    $f3,  (THREAD_FPU + 0x18)(\thread)
 126         ldc1    $f5,  (THREAD_FPU + 0x28)(\thread)
 127         ldc1    $f7,  (THREAD_FPU + 0x38)(\thread)
 128         ldc1    $f9,  (THREAD_FPU + 0x48)(\thread)
 129         ldc1    $f11, (THREAD_FPU + 0x58)(\thread)
 130         ldc1    $f13, (THREAD_FPU + 0x68)(\thread)
 131         ldc1    $f15, (THREAD_FPU + 0x78)(\thread)
 132         ldc1    $f17, (THREAD_FPU + 0x88)(\thread)
 133         ldc1    $f19, (THREAD_FPU + 0x98)(\thread)
 134         ldc1    $f21, (THREAD_FPU + 0xa8)(\thread)
 135         ldc1    $f23, (THREAD_FPU + 0xb8)(\thread)
 136         ldc1    $f25, (THREAD_FPU + 0xc8)(\thread)
 137         ldc1    $f27, (THREAD_FPU + 0xd8)(\thread)
 138         ldc1    $f29, (THREAD_FPU + 0xe8)(\thread)
 139         ldc1    $f31, (THREAD_FPU + 0xf8)(\thread)
 140         .endm
 141
 142         .macro  fpu_restore thread tmp
 143         lw      \tmp, (THREAD_FPU + 0x100)(\thread)
 144         lwc1    $f0,  (THREAD_FPU + 0x000)(\thread)
 145         lwc1    $f1,  (THREAD_FPU + 0x008)(\thread)
 146         lwc1    $f2,  (THREAD_FPU + 0x010)(\thread)
 147         lwc1    $f3,  (THREAD_FPU + 0x018)(\thread)
 148         lwc1    $f4,  (THREAD_FPU + 0x020)(\thread)
 149         lwc1    $f5,  (THREAD_FPU + 0x028)(\thread)
 150         lwc1    $f6,  (THREAD_FPU + 0x030)(\thread)
 151         lwc1    $f7,  (THREAD_FPU + 0x038)(\thread)
 152         lwc1    $f8,  (THREAD_FPU + 0x040)(\thread)
 153         lwc1    $f9,  (THREAD_FPU + 0x048)(\thread)
 154         lwc1    $f10, (THREAD_FPU + 0x050)(\thread)
 155         lwc1    $f11, (THREAD_FPU + 0x058)(\thread)
 156         lwc1    $f12, (THREAD_FPU + 0x060)(\thread)
 157         lwc1    $f13, (THREAD_FPU + 0x068)(\thread)
 158         lwc1    $f14, (THREAD_FPU + 0x070)(\thread)
 159         lwc1    $f15, (THREAD_FPU + 0x078)(\thread)
 160         lwc1    $f16, (THREAD_FPU + 0x080)(\thread)
 161         lwc1    $f17, (THREAD_FPU + 0x088)(\thread)
 162         lwc1    $f18, (THREAD_FPU + 0x090)(\thread)
 163         lwc1    $f19, (THREAD_FPU + 0x098)(\thread)
 164         lwc1    $f20, (THREAD_FPU + 0x0a0)(\thread)
 165         lwc1    $f21, (THREAD_FPU + 0x0a8)(\thread)
 166         lwc1    $f22, (THREAD_FPU + 0x0b0)(\thread)
 167         lwc1    $f23, (THREAD_FPU + 0x0b8)(\thread)
 168         lwc1    $f24, (THREAD_FPU + 0x0c0)(\thread)
 169         lwc1    $f25, (THREAD_FPU + 0x0c8)(\thread)
 170         lwc1    $f26, (THREAD_FPU + 0x0d0)(\thread)
 171         lwc1    $f27, (THREAD_FPU + 0x0d8)(\thread)
 172         lwc1    $f28, (THREAD_FPU + 0x0e0)(\thread)
 173         lwc1    $f29, (THREAD_FPU + 0x0e8)(\thread)
 174         lwc1    $f30, (THREAD_FPU + 0x0f0)(\thread)
 175         lwc1    $f31, (THREAD_FPU + 0x0f8)(\thread)
 176         ctc1    \tmp,  fcr31
 177         .endm
 178
 179         .macro  cpu_save_nonscratch thread
 180         sd      s0, THREAD_REG16(\thread)
 181         sd      s1, THREAD_REG17(\thread)
 182         sd      s2, THREAD_REG18(\thread)
 183         sd      s3, THREAD_REG19(\thread)
 184         sd      s4, THREAD_REG20(\thread)
 185         sd      s5, THREAD_REG21(\thread)
 186         sd      s6, THREAD_REG22(\thread)
 187         sd      s7, THREAD_REG23(\thread)
 188         sd      sp, THREAD_REG29(\thread)
 189         sd      fp, THREAD_REG30(\thread)
 190         .endm
 191
 192         .macro  cpu_restore_nonscratch thread
 193         ld      s0, THREAD_REG16(\thread)
 194         ld      s1, THREAD_REG17(\thread)
 195         ld      s2, THREAD_REG18(\thread)
 196         ld      s3, THREAD_REG19(\thread)
 197         ld      s4, THREAD_REG20(\thread)
 198         ld      s5, THREAD_REG21(\thread)
 199         ld      s6, THREAD_REG22(\thread)
 200         ld      s7, THREAD_REG23(\thread)
 201         ld      sp, THREAD_REG29(\thread)
 202         ld      fp, THREAD_REG30(\thread)
 203         ld      ra, THREAD_REG31(\thread)
 204         .endm
 205
 206 #endif /* !(_ASM_ASMMACRO_H) */