diff options
Diffstat (limited to 'src/arch/arm/isa/formats/data.isa')
| -rw-r--r-- | src/arch/arm/isa/formats/data.isa | 43 |
1 files changed, 30 insertions, 13 deletions
diff --git a/src/arch/arm/isa/formats/data.isa b/src/arch/arm/isa/formats/data.isa index b5e29c583..cff3d22f0 100644 --- a/src/arch/arm/isa/formats/data.isa +++ b/src/arch/arm/isa/formats/data.isa @@ -1114,19 +1114,36 @@ def format ArmMisc() {{ false); case 0x9: if (RN == 0) { - switch (IMM) { - case 0x0: - return new NopInst(machInst); - case 0x1: - return new YieldInst(machInst); - case 0x2: - return new WfeInst(machInst); - case 0x3: - return new WfiInst(machInst); - case 0x4: - return new SevInst(machInst); - default: - return new Unknown(machInst); + if ((IMM & 0xf0) == 0xf0) { + return new Dbg(machInst); + } else { + switch (IMM) { + case 0x0: + return new NopInst(machInst); + case 0x1: + return new YieldInst(machInst); + case 0x2: + return new WfeInst(machInst); + case 0x3: + return new WfiInst(machInst); + case 0x4: + return new SevInst(machInst); + case 0x5: + return new WarnUnimplemented( + "sevl", machInst); + case 0x10: + return new WarnUnimplemented( + "esb", machInst); + case 0x12: + return new WarnUnimplemented( + "tsb csync", machInst); + case 0x14: + return new WarnUnimplemented( + "csdb", machInst); + default: + return new WarnUnimplemented( + "unallocated_hint", machInst); + } } } else { return new MsrCpsrImm(machInst, imm, byteMask); |