diff options
Diffstat (limited to 'src/arch/arm/insts/static_inst.cc')
| -rw-r--r-- | src/arch/arm/insts/static_inst.cc | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/src/arch/arm/insts/static_inst.cc b/src/arch/arm/insts/static_inst.cc index b7f235e98..bd6f11521 100644 --- a/src/arch/arm/insts/static_inst.cc +++ b/src/arch/arm/insts/static_inst.cc @@ -605,6 +605,23 @@ ArmStaticInst::generateDisassembly(Addr pc, return ss.str(); } +Fault +ArmStaticInst::softwareBreakpoint32(ExecContext *xc, uint16_t imm) const +{ + const auto tc = xc->tcBase(); + const HCR hcr = tc->readMiscReg(MISCREG_HCR_EL2); + const HDCR mdcr = tc->readMiscRegNoEffect(MISCREG_MDCR_EL2); + if ((ArmSystem::haveEL(tc, EL2) && !inSecureState(tc) && + !ELIs32(tc, EL2) && (hcr.tge == 1 || mdcr.tde == 1)) || + !ELIs32(tc, EL1)) { + // Route to AArch64 Software Breakpoint + return std::make_shared<SoftwareBreakpoint>(machInst, imm); + } else { + // Execute AArch32 Software Breakpoint + return std::make_shared<PrefetchAbort>(readPC(xc), + ArmFault::DebugEvent); + } +} Fault ArmStaticInst::advSIMDFPAccessTrap64(ExceptionLevel el) const |