diff options
Diffstat (limited to 'src/arch/arm/isa/formats/aarch64.isa')
| -rw-r--r-- | src/arch/arm/isa/formats/aarch64.isa | 14 |
1 files changed, 9 insertions, 5 deletions
diff --git a/src/arch/arm/isa/formats/aarch64.isa b/src/arch/arm/isa/formats/aarch64.isa index f39a1a5b9..68f600698 100644 --- a/src/arch/arm/isa/formats/aarch64.isa +++ b/src/arch/arm/isa/formats/aarch64.isa @@ -242,21 +242,25 @@ namespace Aarch64 (ConditionCode)(uint8_t)(bits(machInst, 3, 0)); return new BCond64(machInst, imm, condCode); } else if (bits(machInst, 25, 24) == 0x0) { + if (bits(machInst, 4, 2)) return new Unknown64(machInst); + + auto imm16 = bits(machInst, 20, 5); uint8_t decVal = (bits(machInst, 1, 0) << 0) | (bits(machInst, 23, 21) << 2); + switch (decVal) { case 0x01: - return new Svc64(machInst); + return new Svc64(machInst, imm16); case 0x02: - return new Hvc64(machInst); + return new Hvc64(machInst, imm16); case 0x03: - return new Smc64(machInst); + return new Smc64(machInst, imm16); case 0x04: - return new Brk64(machInst); + return new Brk64(machInst, imm16); case 0x08: - return new Hlt64(machInst); + return new Hlt64(machInst, imm16); case 0x15: return new FailUnimplemented("dcps1", machInst); case 0x16: |