SYSRET
REG0=XED_REG_EIP:w:SUPP REG1=XED_REG_ECX:r:SUPP
x86_64 X86_LEGACY SYSRET LONGMODE source: xed
XED_SYSRET_X86_LEGACY_0F_07_573787
Encoding
| encoding_kind | X86_LEGACY |
| opcode_bytes | 07 |
| opcode_map | 0F |
| mandatory_prefix | - |
| has_modrm | False |
| requires_mode | long |
| attributes | PROTECTED_MODE RING0 NOTSX |
| cpl | 0 |
| raw_encoding | 0x0F 0x07 mode64 norexw_prefix |
Operands (2)
| # | Role | Kind | Class / Reg | Width | Access | Visibility | Encoded in |
|---|---|---|---|---|---|---|---|
| 0 | REG0 | REG | (=EIP) | w | W | SUPPRESSED | MODRM_REG |
| 1 | REG1 | REG | (=ECX) | R | SUPPRESSED | MODRM_REG |
Flag effects (9)
CF = WRITE
PF = WRITE
AF = WRITE
ZF = WRITE
SF = WRITE
TF = WRITE
IF = WRITE
DF = WRITE
OF = WRITE
Micro-ops sequence (0)
No micro-ops authored for this encoding. Emulator semantics not yet defined — decoder still works.