arch/x86/include/asm/inst.h

   1 /*
   2  * Generate .byte code for some instructions not supported by old
   3  * binutils.
   4  */
   5 #ifndef X86_ASM_INST_H
   6 #define X86_ASM_INST_H
   7
   8 #ifdef __ASSEMBLY__
   9
  10 #define REG_NUM_INVALID         100
  11
  12 #define REG_TYPE_R32            0
  13 #define REG_TYPE_R64            1
  14 #define REG_TYPE_XMM            2
  15 #define REG_TYPE_INVALID        100
  16
  17         .macro R32_NUM opd r32
  18         \opd = REG_NUM_INVALID
  19         .ifc \r32,%eax
  20         \opd = 0
  21         .endif
  22         .ifc \r32,%ecx
  23         \opd = 1
  24         .endif
  25         .ifc \r32,%edx
  26         \opd = 2
  27         .endif
  28         .ifc \r32,%ebx
  29         \opd = 3
  30         .endif
  31         .ifc \r32,%esp
  32         \opd = 4
  33         .endif
  34         .ifc \r32,%ebp
  35         \opd = 5
  36         .endif
  37         .ifc \r32,%esi
  38         \opd = 6
  39         .endif
  40         .ifc \r32,%edi
  41         \opd = 7
  42         .endif
  43 #ifdef CONFIG_X86_64
  44         .ifc \r32,%r8d
  45         \opd = 8
  46         .endif
  47         .ifc \r32,%r9d
  48         \opd = 9
  49         .endif
  50         .ifc \r32,%r10d
  51         \opd = 10
  52         .endif
  53         .ifc \r32,%r11d
  54         \opd = 11
  55         .endif
  56         .ifc \r32,%r12d
  57         \opd = 12
  58         .endif
  59         .ifc \r32,%r13d
  60         \opd = 13
  61         .endif
  62         .ifc \r32,%r14d
  63         \opd = 14
  64         .endif
  65         .ifc \r32,%r15d
  66         \opd = 15
  67         .endif
  68 #endif
  69         .endm
  70
  71         .macro R64_NUM opd r64
  72         \opd = REG_NUM_INVALID
  73 #ifdef CONFIG_X86_64
  74         .ifc \r64,%rax
  75         \opd = 0
  76         .endif
  77         .ifc \r64,%rcx
  78         \opd = 1
  79         .endif
  80         .ifc \r64,%rdx
  81         \opd = 2
  82         .endif
  83         .ifc \r64,%rbx
  84         \opd = 3
  85         .endif
  86         .ifc \r64,%rsp
  87         \opd = 4
  88         .endif
  89         .ifc \r64,%rbp
  90         \opd = 5
  91         .endif
  92         .ifc \r64,%rsi
  93         \opd = 6
  94         .endif
  95         .ifc \r64,%rdi
  96         \opd = 7
  97         .endif
  98         .ifc \r64,%r8
  99         \opd = 8
 100         .endif
 101         .ifc \r64,%r9
 102         \opd = 9
 103         .endif
 104         .ifc \r64,%r10
 105         \opd = 10
 106         .endif
 107         .ifc \r64,%r11
 108         \opd = 11
 109         .endif
 110         .ifc \r64,%r12
 111         \opd = 12
 112         .endif
 113         .ifc \r64,%r13
 114         \opd = 13
 115         .endif
 116         .ifc \r64,%r14
 117         \opd = 14
 118         .endif
 119         .ifc \r64,%r15
 120         \opd = 15
 121         .endif
 122 #endif
 123         .endm
 124
 125         .macro XMM_NUM opd xmm
 126         \opd = REG_NUM_INVALID
 127         .ifc \xmm,%xmm0
 128         \opd = 0
 129         .endif
 130         .ifc \xmm,%xmm1
 131         \opd = 1
 132         .endif
 133         .ifc \xmm,%xmm2
 134         \opd = 2
 135         .endif
 136         .ifc \xmm,%xmm3
 137         \opd = 3
 138         .endif
 139         .ifc \xmm,%xmm4
 140         \opd = 4
 141         .endif
 142         .ifc \xmm,%xmm5
 143         \opd = 5
 144         .endif
 145         .ifc \xmm,%xmm6
 146         \opd = 6
 147         .endif
 148         .ifc \xmm,%xmm7
 149         \opd = 7
 150         .endif
 151         .ifc \xmm,%xmm8
 152         \opd = 8
 153         .endif
 154         .ifc \xmm,%xmm9
 155         \opd = 9
 156         .endif
 157         .ifc \xmm,%xmm10
 158         \opd = 10
 159         .endif
 160         .ifc \xmm,%xmm11
 161         \opd = 11
 162         .endif
 163         .ifc \xmm,%xmm12
 164         \opd = 12
 165         .endif
 166         .ifc \xmm,%xmm13
 167         \opd = 13
 168         .endif
 169         .ifc \xmm,%xmm14
 170         \opd = 14
 171         .endif
 172         .ifc \xmm,%xmm15
 173         \opd = 15
 174         .endif
 175         .endm
 176
 177         .macro REG_TYPE type reg
 178         R32_NUM reg_type_r32 \reg
 179         R64_NUM reg_type_r64 \reg
 180         XMM_NUM reg_type_xmm \reg
 181         .if reg_type_r64 <> REG_NUM_INVALID
 182         \type = REG_TYPE_R64
 183         .elseif reg_type_r32 <> REG_NUM_INVALID
 184         \type = REG_TYPE_R32
 185         .elseif reg_type_xmm <> REG_NUM_INVALID
 186         \type = REG_TYPE_XMM
 187         .else
 188         \type = REG_TYPE_INVALID
 189         .endif
 190         .endm
 191
 192         .macro PFX_OPD_SIZE
 193         .byte 0x66
 194         .endm
 195
 196         .macro PFX_REX opd1 opd2 W=0
 197         .if ((\opd1 | \opd2) & 8) || \W
 198         .byte 0x40 | ((\opd1 & 8) >> 3) | ((\opd2 & 8) >> 1) | (\W << 3)
 199         .endif
 200         .endm
 201
 202         .macro MODRM mod opd1 opd2
 203         .byte \mod | (\opd1 & 7) | ((\opd2 & 7) << 3)
 204         .endm
 205
 206         .macro PSHUFB_XMM xmm1 xmm2
 207         XMM_NUM pshufb_opd1 \xmm1
 208         XMM_NUM pshufb_opd2 \xmm2
 209         PFX_OPD_SIZE
 210         PFX_REX pshufb_opd1 pshufb_opd2
 211         .byte 0x0f, 0x38, 0x00
 212         MODRM 0xc0 pshufb_opd1 pshufb_opd2
 213         .endm
 214
 215         .macro PCLMULQDQ imm8 xmm1 xmm2
 216         XMM_NUM clmul_opd1 \xmm1
 217         XMM_NUM clmul_opd2 \xmm2
 218         PFX_OPD_SIZE
 219         PFX_REX clmul_opd1 clmul_opd2
 220         .byte 0x0f, 0x3a, 0x44
 221         MODRM 0xc0 clmul_opd1 clmul_opd2
 222         .byte \imm8
 223         .endm
 224
 225         .macro PEXTRD imm8 xmm gpr
 226         R32_NUM extrd_opd1 \gpr
 227         XMM_NUM extrd_opd2 \xmm
 228         PFX_OPD_SIZE
 229         PFX_REX extrd_opd1 extrd_opd2
 230         .byte 0x0f, 0x3a, 0x16
 231         MODRM 0xc0 extrd_opd1 extrd_opd2
 232         .byte \imm8
 233         .endm
 234
 235         .macro AESKEYGENASSIST rcon xmm1 xmm2
 236         XMM_NUM aeskeygen_opd1 \xmm1
 237         XMM_NUM aeskeygen_opd2 \xmm2
 238         PFX_OPD_SIZE
 239         PFX_REX aeskeygen_opd1 aeskeygen_opd2
 240         .byte 0x0f, 0x3a, 0xdf
 241         MODRM 0xc0 aeskeygen_opd1 aeskeygen_opd2
 242         .byte \rcon
 243         .endm
 244
 245         .macro AESIMC xmm1 xmm2
 246         XMM_NUM aesimc_opd1 \xmm1
 247         XMM_NUM aesimc_opd2 \xmm2
 248         PFX_OPD_SIZE
 249         PFX_REX aesimc_opd1 aesimc_opd2
 250         .byte 0x0f, 0x38, 0xdb
 251         MODRM 0xc0 aesimc_opd1 aesimc_opd2
 252         .endm
 253
 254         .macro AESENC xmm1 xmm2
 255         XMM_NUM aesenc_opd1 \xmm1
 256         XMM_NUM aesenc_opd2 \xmm2
 257         PFX_OPD_SIZE
 258         PFX_REX aesenc_opd1 aesenc_opd2
 259         .byte 0x0f, 0x38, 0xdc
 260         MODRM 0xc0 aesenc_opd1 aesenc_opd2
 261         .endm
 262
 263         .macro AESENCLAST xmm1 xmm2
 264         XMM_NUM aesenclast_opd1 \xmm1
 265         XMM_NUM aesenclast_opd2 \xmm2
 266         PFX_OPD_SIZE
 267         PFX_REX aesenclast_opd1 aesenclast_opd2
 268         .byte 0x0f, 0x38, 0xdd
 269         MODRM 0xc0 aesenclast_opd1 aesenclast_opd2
 270         .endm
 271
 272         .macro AESDEC xmm1 xmm2
 273         XMM_NUM aesdec_opd1 \xmm1
 274         XMM_NUM aesdec_opd2 \xmm2
 275         PFX_OPD_SIZE
 276         PFX_REX aesdec_opd1 aesdec_opd2
 277         .byte 0x0f, 0x38, 0xde
 278         MODRM 0xc0 aesdec_opd1 aesdec_opd2
 279         .endm
 280
 281         .macro AESDECLAST xmm1 xmm2
 282         XMM_NUM aesdeclast_opd1 \xmm1
 283         XMM_NUM aesdeclast_opd2 \xmm2
 284         PFX_OPD_SIZE
 285         PFX_REX aesdeclast_opd1 aesdeclast_opd2
 286         .byte 0x0f, 0x38, 0xdf
 287         MODRM 0xc0 aesdeclast_opd1 aesdeclast_opd2
 288         .endm
 289
 290         .macro MOVQ_R64_XMM opd1 opd2
 291         REG_TYPE movq_r64_xmm_opd1_type \opd1
 292         .if movq_r64_xmm_opd1_type == REG_TYPE_XMM
 293         XMM_NUM movq_r64_xmm_opd1 \opd1
 294         R64_NUM movq_r64_xmm_opd2 \opd2
 295         .else
 296         R64_NUM movq_r64_xmm_opd1 \opd1
 297         XMM_NUM movq_r64_xmm_opd2 \opd2
 298         .endif
 299         PFX_OPD_SIZE
 300         PFX_REX movq_r64_xmm_opd1 movq_r64_xmm_opd2 1
 301         .if movq_r64_xmm_opd1_type == REG_TYPE_XMM
 302         .byte 0x0f, 0x7e
 303         .else
 304         .byte 0x0f, 0x6e
 305         .endif
 306         MODRM 0xc0 movq_r64_xmm_opd1 movq_r64_xmm_opd2
 307         .endm
 308 #endif
 309
 310 #endif