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x86-asm: Add [sl][ig]dtq opcodes

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GAS has alias lgdtq for lgdt (similar for saves and GDT).  It doesn't
have the same for LDT.
This commit is contained in:
Michael Matz 2016-07-11 19:57:39 +02:00
parent 75e8df126f
commit d9d029006c
2 changed files with 14 additions and 4 deletions
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14
tests/asmtest.S
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@ -672,13 +672,19 @@ int $0x10
lgdt 0x1000
lidt 0x1000
lldt 0x1000
lmsw 0x1000
lsl 0x1000, %ecx
ltr 0x1000
sgdt 0x1000
sidt 0x1000
sldt 0x1000
#ifdef __x86_64__
lgdtq 0x1000
lidtq 0x1000
sgdtq 0x1000
sidtq 0x1000
#endif
lmsw 0x1000
lsl 0x1000, %ecx
ltr 0x1000
smsw 0x1000
str 0x1000

4
x86_64-asm.h
View File

@ -358,13 +358,17 @@ ALT(DEF_ASM_OP1(fstsw, 0xdd, 7, OPC_MODRM | OPC_FWAIT, OPT_EA ))
DEF_ASM_OP2(arpl, 0x63, 0, OPC_MODRM, OPT_REG16, OPT_REG16 | OPT_EA)
DEF_ASM_OP2(lar, 0x0f02, 0, OPC_MODRM, OPT_REG32 | OPT_EA, OPT_REG32)
DEF_ASM_OP1(lgdt, 0x0f01, 2, OPC_MODRM, OPT_EA)
DEF_ASM_OP1(lgdtq, 0x0f01, 2, OPC_MODRM, OPT_EA)
DEF_ASM_OP1(lidt, 0x0f01, 3, OPC_MODRM, OPT_EA)
DEF_ASM_OP1(lidtq, 0x0f01, 3, OPC_MODRM, OPT_EA)
DEF_ASM_OP1(lldt, 0x0f00, 2, OPC_MODRM, OPT_EA | OPT_REG)
DEF_ASM_OP1(lmsw, 0x0f01, 6, OPC_MODRM, OPT_EA | OPT_REG)
ALT(DEF_ASM_OP2(lslw, 0x0f03, 0, OPC_MODRM | OPC_WLX, OPT_EA | OPT_REG, OPT_REG))
DEF_ASM_OP1(ltr, 0x0f00, 3, OPC_MODRM, OPT_EA | OPT_REG)
DEF_ASM_OP1(sgdt, 0x0f01, 0, OPC_MODRM, OPT_EA)
DEF_ASM_OP1(sgdtq, 0x0f01, 0, OPC_MODRM, OPT_EA)
DEF_ASM_OP1(sidt, 0x0f01, 1, OPC_MODRM, OPT_EA)
DEF_ASM_OP1(sidtq, 0x0f01, 1, OPC_MODRM, OPT_EA)
DEF_ASM_OP1(sldt, 0x0f00, 0, OPC_MODRM, OPT_REG | OPT_EA)
DEF_ASM_OP1(smsw, 0x0f01, 4, OPC_MODRM, OPT_REG | OPT_EA)
DEF_ASM_OP1(str, 0x0f00, 1, OPC_MODRM, OPT_REG16| OPT_EA)