SYSCALL
REG0=XED_REG_RIP:w:SUPP REG1=XED_REG_RCX:w:SUPP REG2=XED_REG_R11:w:SUPP
x86_64 X86_LEGACY SYSCALL LONGMODE source: xed
XED_SYSCALL_X86_LEGACY_0F_05_782630
Encoding
| encoding_kind | X86_LEGACY |
| opcode_bytes | 05 |
| opcode_map | 0F |
| mandatory_prefix | - |
| has_modrm | False |
| requires_mode | long |
| attributes | NOTSX |
| cpl | 3 |
| raw_encoding | 0x0F 0x05 mode64 FORCE64() |
Operands (3)
| # | Role | Kind | Class / Reg | Width | Access | Visibility | Encoded in |
|---|---|---|---|---|---|---|---|
| 0 | REG0 | REG | (=RIP) | w | W | SUPPRESSED | MODRM_REG |
| 1 | REG1 | REG | (=RCX) | w | W | SUPPRESSED | MODRM_REG |
| 2 | REG2 | REG | (=R11) | w | W | 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.