From b4a10d55e55752c3423a9d0f4b529f7f80432590 Mon Sep 17 00:00:00 2001 From: Giacomo Travaglini Date: Tue, 5 Jun 2018 16:17:48 +0100 Subject: arch-arm: AArch32 execution triggering AArch64 SW Break AArch32 Software Breakpoint (BKPT) can trigger an AArch64 fault when interprocessing if the trapping conditions are met. Change-Id: I485852ed19429f9cd928a6447a95eb6f471f189c Signed-off-by: Giacomo Travaglini Reviewed-by: Andreas Sandberg Reviewed-on: https://gem5-review.googlesource.com/11197 Maintainer: Andreas Sandberg --- src/arch/arm/insts/static_inst.hh | 8 ++++++++ 1 file changed, 8 insertions(+) (limited to 'src/arch/arm/insts/static_inst.hh') diff --git a/src/arch/arm/insts/static_inst.hh b/src/arch/arm/insts/static_inst.hh index 873dfff02..6216598dc 100644 --- a/src/arch/arm/insts/static_inst.hh +++ b/src/arch/arm/insts/static_inst.hh @@ -370,6 +370,14 @@ class ArmStaticInst : public StaticInst bool isWFxTrapping(ThreadContext *tc, ExceptionLevel targetEL, bool isWfe) const; + /** + * Trigger a Software Breakpoint. + * + * See aarch32/exceptions/debug/AArch32.SoftwareBreakpoint in the + * ARM ARM psueodcode library. + */ + Fault softwareBreakpoint32(ExecContext *xc, uint16_t imm) const; + /** * Trap an access to Advanced SIMD or FP registers due to access * control bits. -- cgit v1.2.3