1 files changed, 150 insertions, 0 deletions

diff --git a/arch/x86/include/asm/inst.h b/arch/x86/include/asm/inst.h
new file mode 100644
index 000000000000..14cf526091f9
--- /dev/null
+++ b/arch/x86/include/asm/inst.h
@@ -0,0 +1,150 @@
+/*
+ * Generate .byte code for some instructions not supported by old
+ * binutils.
+ */
+#ifndef X86_ASM_INST_H
+#define X86_ASM_INST_H
+
+#ifdef __ASSEMBLY__
+
+        .macro XMM_NUM opd xmm
+        .ifc \xmm,%xmm0
+        \opd = 0
+        .endif
+        .ifc \xmm,%xmm1
+        \opd = 1
+        .endif
+        .ifc \xmm,%xmm2
+        \opd = 2
+        .endif
+        .ifc \xmm,%xmm3
+        \opd = 3
+        .endif
+        .ifc \xmm,%xmm4
+        \opd = 4
+        .endif
+        .ifc \xmm,%xmm5
+        \opd = 5
+        .endif
+        .ifc \xmm,%xmm6
+        \opd = 6
+        .endif
+        .ifc \xmm,%xmm7
+        \opd = 7
+        .endif
+        .ifc \xmm,%xmm8
+        \opd = 8
+        .endif
+        .ifc \xmm,%xmm9
+        \opd = 9
+        .endif
+        .ifc \xmm,%xmm10
+        \opd = 10
+        .endif
+        .ifc \xmm,%xmm11
+        \opd = 11
+        .endif
+        .ifc \xmm,%xmm12
+        \opd = 12
+        .endif
+        .ifc \xmm,%xmm13
+        \opd = 13
+        .endif
+        .ifc \xmm,%xmm14
+        \opd = 14
+        .endif
+        .ifc \xmm,%xmm15
+        \opd = 15
+        .endif
+        .endm
+
+        .macro PFX_OPD_SIZE
+        .byte 0x66
+        .endm
+
+        .macro PFX_REX opd1 opd2
+        .if (\opd1 | \opd2) & 8
+        .byte 0x40 | ((\opd1 & 8) >> 3) | ((\opd2 & 8) >> 1)
+        .endif
+        .endm
+
+        .macro MODRM mod opd1 opd2
+        .byte \mod | (\opd1 & 7) | ((\opd2 & 7) << 3)
+        .endm
+
+        .macro PSHUFB_XMM xmm1 xmm2
+        XMM_NUM pshufb_opd1 \xmm1
+        XMM_NUM pshufb_opd2 \xmm2
+        PFX_OPD_SIZE
+        PFX_REX pshufb_opd1 pshufb_opd2
+        .byte 0x0f, 0x38, 0x00
+        MODRM 0xc0 pshufb_opd1 pshufb_opd2
+        .endm
+
+        .macro PCLMULQDQ imm8 xmm1 xmm2
+        XMM_NUM clmul_opd1 \xmm1
+        XMM_NUM clmul_opd2 \xmm2
+        PFX_OPD_SIZE
+        PFX_REX clmul_opd1 clmul_opd2
+        .byte 0x0f, 0x3a, 0x44
+        MODRM 0xc0 clmul_opd1 clmul_opd2
+        .byte \imm8
+        .endm
+
+        .macro AESKEYGENASSIST rcon xmm1 xmm2
+        XMM_NUM aeskeygen_opd1 \xmm1
+        XMM_NUM aeskeygen_opd2 \xmm2
+        PFX_OPD_SIZE
+        PFX_REX aeskeygen_opd1 aeskeygen_opd2
+        .byte 0x0f, 0x3a, 0xdf
+        MODRM 0xc0 aeskeygen_opd1 aeskeygen_opd2
+        .byte \rcon
+        .endm
+
+        .macro AESIMC xmm1 xmm2
+        XMM_NUM aesimc_opd1 \xmm1
+        XMM_NUM aesimc_opd2 \xmm2
+        PFX_OPD_SIZE
+        PFX_REX aesimc_opd1 aesimc_opd2
+        .byte 0x0f, 0x38, 0xdb
+        MODRM 0xc0 aesimc_opd1 aesimc_opd2
+        .endm
+
+        .macro AESENC xmm1 xmm2
+        XMM_NUM aesenc_opd1 \xmm1
+        XMM_NUM aesenc_opd2 \xmm2
+        PFX_OPD_SIZE
+        PFX_REX aesenc_opd1 aesenc_opd2
+        .byte 0x0f, 0x38, 0xdc
+        MODRM 0xc0 aesenc_opd1 aesenc_opd2
+        .endm
+
+        .macro AESENCLAST xmm1 xmm2
+        XMM_NUM aesenclast_opd1 \xmm1
+        XMM_NUM aesenclast_opd2 \xmm2
+        PFX_OPD_SIZE
+        PFX_REX aesenclast_opd1 aesenclast_opd2
+        .byte 0x0f, 0x38, 0xdd
+        MODRM 0xc0 aesenclast_opd1 aesenclast_opd2
+        .endm
+
+        .macro AESDEC xmm1 xmm2
+        XMM_NUM aesdec_opd1 \xmm1
+        XMM_NUM aesdec_opd2 \xmm2
+        PFX_OPD_SIZE
+        PFX_REX aesdec_opd1 aesdec_opd2
+        .byte 0x0f, 0x38, 0xde
+        MODRM 0xc0 aesdec_opd1 aesdec_opd2
+        .endm
+
+        .macro AESDECLAST xmm1 xmm2
+        XMM_NUM aesdeclast_opd1 \xmm1
+        XMM_NUM aesdeclast_opd2 \xmm2
+        PFX_OPD_SIZE
+        PFX_REX aesdeclast_opd1 aesdeclast_opd2
+        .byte 0x0f, 0x38, 0xdf
+        MODRM 0xc0 aesdeclast_opd1 aesdeclast_opd2
+        .endm
+#endif
+
+#endif