WRMSRLIST
REG0=XED_REG_RSI:r:SUPP:q:u64 REG1=XED_REG_RDI:r:SUPP:q:u64 REG2=XED_REG_RCX:rw:SUPP:q:u64
x86_64 X86_LEGACY MSRLIST MSRLIST source: xed
XED_WRMSRLIST
Encoding
| encoding_kind | X86_LEGACY |
| opcode_bytes | 01 |
| opcode_map | 0F |
| mandatory_prefix | - |
| has_modrm | True |
| modrm.reg = /0 | /0 |
| requires_mode | long |
| attributes | NOTSX RING0 |
| cpl | 0 |
| raw_encoding | 0x0F 0x01 MOD[0b11] MOD=3 REG[0b000] RM[0b110] f3_refining_prefix mode64 |
Operands (3)
| # | Role | Kind | Class / Reg | Width | Access | Visibility | Encoded in |
|---|---|---|---|---|---|---|---|
| 0 | REG0 | REG | (=RSI) | q | R | SUPPRESSED | MODRM_REG |
| 1 | REG1 | REG | (=RDI) | q | R | SUPPRESSED | MODRM_REG |
| 2 | REG2 | REG | (=RCX) | q | RW | SUPPRESSED | MODRM_REG |
Micro-ops sequence (0)
No micro-ops authored for this encoding. Emulator semantics not yet defined — decoder still works.