diff options
Diffstat (limited to 'src/arch/arm/isa')
| -rw-r--r-- | src/arch/arm/isa/formats/aarch64.isa | 14 | ||||
| -rw-r--r-- | src/arch/arm/isa/insts/misc64.isa | 30 | ||||
| -rw-r--r-- | src/arch/arm/isa/templates/misc64.isa | 22 |
3 files changed, 45 insertions, 21 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: diff --git a/src/arch/arm/isa/insts/misc64.isa b/src/arch/arm/isa/insts/misc64.isa index faac5cfcf..cf82ea3e4 100644 --- a/src/arch/arm/isa/insts/misc64.isa +++ b/src/arch/arm/isa/insts/misc64.isa @@ -42,11 +42,11 @@ let {{ fault = std::make_shared<SupervisorCall>(machInst, bits(machInst, 20, 5)); ''' - svcIop = InstObjParams("svc", "Svc64", "ArmStaticInst", + svcIop = InstObjParams("svc", "Svc64", "ImmOp64", svcCode, ["IsSyscall", "IsNonSpeculative", "IsSerializeAfter"]) - header_output = BasicDeclare.subst(svcIop) - decoder_output = BasicConstructor64.subst(svcIop) + header_output = ImmOp64Declare.subst(svcIop) + decoder_output = ImmOp64Constructor.subst(svcIop) exec_output = BasicExecute.subst(svcIop) hvcCode = ''' @@ -60,11 +60,11 @@ let {{ } ''' - hvcIop = InstObjParams("hvc", "Hvc64", "ArmStaticInst", + hvcIop = InstObjParams("hvc", "Hvc64", "ImmOp64", hvcCode, ["IsSyscall", "IsNonSpeculative", "IsSerializeAfter"]) - header_output += BasicDeclare.subst(hvcIop) - decoder_output += BasicConstructor64.subst(hvcIop) + header_output += ImmOp64Declare.subst(hvcIop) + decoder_output += ImmOp64Constructor.subst(hvcIop) exec_output += BasicExecute.subst(hvcIop) # @todo: extend to take into account Virtualization. @@ -79,10 +79,10 @@ let {{ } ''' - smcIop = InstObjParams("smc", "Smc64", "ArmStaticInst", + smcIop = InstObjParams("smc", "Smc64", "ImmOp64", smcCode, ["IsNonSpeculative", "IsSerializeAfter"]) - header_output += BasicDeclare.subst(smcIop) - decoder_output += BasicConstructor64.subst(smcIop) + header_output += ImmOp64Declare.subst(smcIop) + decoder_output += ImmOp64Constructor.subst(smcIop) exec_output += BasicExecute.subst(smcIop) def subst(templateBase, iop): @@ -169,10 +169,10 @@ let {{ bits(machInst, 20, 5)); ''' - brkIop = InstObjParams("brk", "Brk64", "ArmStaticInst", + brkIop = InstObjParams("brk", "Brk64", "ImmOp64", brkCode, ["IsSerializeAfter"]) - header_output += BasicDeclare.subst(brkIop) - decoder_output += BasicConstructor64.subst(brkIop) + header_output += ImmOp64Declare.subst(brkIop) + decoder_output += ImmOp64Constructor.subst(brkIop) exec_output += BasicExecute.subst(brkIop) hltCode = ''' @@ -188,9 +188,9 @@ let {{ ''' - hltIop = InstObjParams("hlt", "Hlt64", "ArmStaticInst", + hltIop = InstObjParams("hlt", "Hlt64", "ImmOp64", hltCode, ["IsNonSpeculative"]) - header_output += BasicDeclare.subst(hltIop) - decoder_output += BasicConstructor64.subst(hltIop) + header_output += ImmOp64Declare.subst(hltIop) + decoder_output += ImmOp64Constructor.subst(hltIop) exec_output += BasicExecute.subst(hltIop) }}; diff --git a/src/arch/arm/isa/templates/misc64.isa b/src/arch/arm/isa/templates/misc64.isa index 48d5c6426..3811cb56a 100644 --- a/src/arch/arm/isa/templates/misc64.isa +++ b/src/arch/arm/isa/templates/misc64.isa @@ -1,6 +1,6 @@ // -*- mode:c++ -*- -// Copyright (c) 2011,2017 ARM Limited +// Copyright (c) 2011,2017-2018 ARM Limited // All rights reserved // // The license below extends only to copyright in the software and shall @@ -37,6 +37,26 @@ // // Authors: Gabe Black +def template ImmOp64Declare {{ +class %(class_name)s : public %(base_class)s +{ + protected: + public: + // Constructor + %(class_name)s(ExtMachInst machInst,uint64_t _imm); + + Fault execute(ExecContext *, Trace::InstRecord *) const; +}; +}}; + +def template ImmOp64Constructor {{ + %(class_name)s::%(class_name)s(ExtMachInst machInst, uint64_t _imm) + : %(base_class)s("%(mnemonic)s", machInst, %(op_class)s, _imm) + { + %(constructor)s; + } +}}; + def template RegRegImmImmOp64Declare {{ class %(class_name)s : public %(base_class)s { |