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author | Andreas Sandberg <andreas.sandberg@arm.com> | 2017-06-23 14:49:56 +0100 |
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committer | Andreas Sandberg <andreas.sandberg@arm.com> | 2017-11-22 16:12:38 +0000 |
commit | e80899c49a758d966ae47920c296325d64fea383 (patch) | |
tree | 5521bb4501cf4ebc7b3a60f05c8db466a70f81b9 /src/arch/arm/faults.hh | |
parent | eac97c91da74acb602c580b36415ab4c6b08b582 (diff) | |
download | gem5-e80899c49a758d966ae47920c296325d64fea383.tar.xz |
arch-arm: Add support for the brk instruction
Add support for software breakpoints as signalled by the aarch64 brk
instruction. This introduces a new SoftwareBreakpoint fault.
Change-Id: I93646c3298e09d7f7b0983108ba8937c7331297a
Signed-off-by: Andreas Sandberg <andreas.sandberg@arm.com>
Reviewed-by: Giacomo Gabrielli <giacomo.gabrielli@arm.com>
Reviewed-on: https://gem5-review.googlesource.com/5721
Reviewed-by: Giacomo Gabrielli <Giacomo.Gabrielli@arm.com>
Diffstat (limited to 'src/arch/arm/faults.hh')
-rw-r--r-- | src/arch/arm/faults.hh | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/src/arch/arm/faults.hh b/src/arch/arm/faults.hh index de5061bed..8f860970d 100644 --- a/src/arch/arm/faults.hh +++ b/src/arch/arm/faults.hh @@ -545,6 +545,15 @@ class SystemError : public ArmFaultVals<SystemError> bool routeToHyp(ThreadContext *tc) const override; }; +/// System error (AArch64 only) +class SoftwareBreakpoint : public ArmFaultVals<SoftwareBreakpoint> +{ + public: + SoftwareBreakpoint(ExtMachInst _mach_inst, uint32_t _iss); + + bool routeToHyp(ThreadContext *tc) const override; +}; + // A fault that flushes the pipe, excluding the faulting instructions class ArmSev : public ArmFaultVals<ArmSev> { @@ -583,6 +592,7 @@ template<> ArmFault::FaultVals ArmFaultVals<SecureMonitorTrap>::vals; template<> ArmFault::FaultVals ArmFaultVals<PCAlignmentFault>::vals; template<> ArmFault::FaultVals ArmFaultVals<SPAlignmentFault>::vals; template<> ArmFault::FaultVals ArmFaultVals<SystemError>::vals; +template<> ArmFault::FaultVals ArmFaultVals<SoftwareBreakpoint>::vals; template<> ArmFault::FaultVals ArmFaultVals<ArmSev>::vals; |