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arch-x86: Check REX_R for MOV misc registers

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Change-Id: I08ea37ffe695df500ea84cbddd94be246f916caf
This commit is contained in:
Eduardo José Gómez Hernández
2023-11-24 13:33:38 +01:00
parent cea169f5e7
commit 670bf6a488
1 changed files with 19 additions and 16 deletions
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35
src/arch/x86/isa/decoder/two_byte_opcodes.isa
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@@ -287,24 +287,27 @@
0x6: HINT_NOP();
0x7: HINT_NOP();
}
0x04: decode LEGACY_DECODEVAL {
// no prefix
0x0: decode OPCODE_OP_BOTTOM3 {
0x0: Cpl0CondInst::MOV(
{{misc_reg::isValid(misc_reg::cr(MODRM_REG))}},Rd,Cd);
0x1: Cpl0CondInst::MOV({{MODRM_REG < 8}},Rd,Dd);
0x2: Cpl0CondInst::MOV(
{{misc_reg::isValid(misc_reg::cr(MODRM_REG))}},Cd,Rd);
0x3: Cpl0CondInst::MOV({{MODRM_REG < 8}},Dd,Rd);
0x04: decode REX_R {
0x0: decode LEGACY_DECODEVAL {
// no prefix
0x0: decode OPCODE_OP_BOTTOM3 {
0x6: Cpl0CondInst::MOV(
{{misc_reg::isValid(misc_reg::cr(MODRM_REG))}},Rd,Cd);
0x1: Cpl0CondInst::MOV({{MODRM_REG < 8}},Rd,Dd);
0x2: Cpl0CondInst::MOV(
{{misc_reg::isValid(misc_reg::cr(MODRM_REG))}},Cd,Rd);
0x3: Cpl0CondInst::MOV({{MODRM_REG < 8}},Dd,Rd);
default: UD2();
}
// operand size (0x66)
0x1: decode OPCODE_OP_BOTTOM3 {
0x0: Cpl0CondInst::MOV(
{{misc_reg::isValid(misc_reg::cr(MODRM_REG))}},Rd,Cd);
0x2: Cpl0CondInst::MOV(
{{misc_reg::isValid(misc_reg::cr(MODRM_REG))}},Cd,Rd);
}
default: UD2();
}
// operand size (0x66)
0x1: decode OPCODE_OP_BOTTOM3 {
0x0: Cpl0CondInst::MOV(
{{misc_reg::isValid(misc_reg::cr(MODRM_REG))}},Rd,Cd);
0x2: Cpl0CondInst::MOV(
{{misc_reg::isValid(misc_reg::cr(MODRM_REG))}},Cd,Rd);
}
default: UD2();
}
0x05: decode LEGACY_DECODEVAL {