diff options
Diffstat (limited to 'src/arch/arm/insts/pseudo.cc')
| -rw-r--r-- | src/arch/arm/insts/pseudo.cc | 40 |
1 files changed, 36 insertions, 4 deletions
diff --git a/src/arch/arm/insts/pseudo.cc b/src/arch/arm/insts/pseudo.cc index 40e00accf..e2504d61e 100644 --- a/src/arch/arm/insts/pseudo.cc +++ b/src/arch/arm/insts/pseudo.cc @@ -1,5 +1,5 @@ /* - * Copyright (c) 2014,2016-2017 ARM Limited + * Copyright (c) 2014,2016-2018 ARM Limited * All rights reserved * * The license below extends only to copyright in the software and shall @@ -181,10 +181,8 @@ WarnUnimplemented::generateDisassembly(Addr pc, const SymbolTable *symtab) const fullMnemonic.size() ? fullMnemonic.c_str() : mnemonic); } - - McrMrcMiscInst::McrMrcMiscInst(const char *_mnemonic, ExtMachInst _machInst, - uint64_t _iss, MiscRegIndex _miscReg) + uint64_t _iss, MiscRegIndex _miscReg) : ArmStaticInst(_mnemonic, _machInst, No_OpClass) { flags[IsNonSpeculative] = true; @@ -217,3 +215,37 @@ McrMrcMiscInst::generateDisassembly(Addr pc, const SymbolTable *symtab) const { return csprintf("%-10s (pipe flush)", mnemonic); } + +McrMrcImplDefined::McrMrcImplDefined(const char *_mnemonic, + ExtMachInst _machInst, uint64_t _iss, + MiscRegIndex _miscReg) + : McrMrcMiscInst(_mnemonic, _machInst, _iss, _miscReg) +{} + +Fault +McrMrcImplDefined::execute(ExecContext *xc, Trace::InstRecord *traceData) const +{ + uint32_t cpsr = xc->readMiscReg(MISCREG_CPSR); + uint32_t hcr = xc->readMiscReg(MISCREG_HCR); + uint32_t scr = xc->readMiscReg(MISCREG_SCR); + uint32_t hdcr = xc->readMiscReg(MISCREG_HDCR); + uint32_t hstr = xc->readMiscReg(MISCREG_HSTR); + uint32_t hcptr = xc->readMiscReg(MISCREG_HCPTR); + + bool hypTrap = mcrMrc15TrapToHyp(miscReg, hcr, cpsr, scr, hdcr, hstr, + hcptr, iss); + if (hypTrap) { + return std::make_shared<HypervisorTrap>(machInst, iss, + EC_TRAPPED_CP15_MCR_MRC); + } else { + return std::make_shared<UndefinedInstruction>(machInst, false, + mnemonic); + } +} + +std::string +McrMrcImplDefined::generateDisassembly(Addr pc, + const SymbolTable *symtab) const +{ + return csprintf("%-10s (implementation defined)", mnemonic); +} |