From e80899c49a758d966ae47920c296325d64fea383 Mon Sep 17 00:00:00 2001 From: Andreas Sandberg Date: Fri, 23 Jun 2017 14:49:56 +0100 Subject: 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 Reviewed-by: Giacomo Gabrielli Reviewed-on: https://gem5-review.googlesource.com/5721 Reviewed-by: Giacomo Gabrielli --- src/arch/arm/isa/insts/misc64.isa | 14 +++++++++++++- 1 file changed, 13 insertions(+), 1 deletion(-) (limited to 'src/arch/arm/isa/insts') diff --git a/src/arch/arm/isa/insts/misc64.isa b/src/arch/arm/isa/insts/misc64.isa index 00724c095..dd6711e62 100644 --- a/src/arch/arm/isa/insts/misc64.isa +++ b/src/arch/arm/isa/insts/misc64.isa @@ -1,6 +1,6 @@ // -*- mode:c++ -*- -// Copyright (c) 2011-2013, 2016 ARM Limited +// Copyright (c) 2011-2013, 2016-2017 ARM Limited // All rights reserved // // The license below extends only to copyright in the software and shall @@ -162,4 +162,16 @@ let {{ header_output += BasicDeclare.subst(clrexIop) decoder_output += BasicConstructor64.subst(clrexIop) exec_output += BasicExecute.subst(clrexIop) + + + brkCode = ''' + fault = std::make_shared(machInst, + bits(machInst, 20, 5)); + ''' + + brkIop = InstObjParams("brk", "Brk64", "ArmStaticInst", + brkCode, ["IsSerializeAfter"]) + header_output += BasicDeclare.subst(brkIop) + decoder_output += BasicConstructor64.subst(brkIop) + exec_output += BasicExecute.subst(brkIop) }}; -- cgit v1.2.3