diff options
| author | Andreas Sandberg <andreas.sandberg@arm.com> | 2017-06-23 14:49:56 +0100 |
|---|---|---|
| committer | Andreas Sandberg <andreas.sandberg@arm.com> | 2017-11-22 16:12:38 +0000 |
| commit | e80899c49a758d966ae47920c296325d64fea383 (patch) | |
| tree | 5521bb4501cf4ebc7b3a60f05c8db466a70f81b9 /src/arch/arm/isa/insts | |
| 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/isa/insts')
| -rw-r--r-- | src/arch/arm/isa/insts/misc64.isa | 14 |
1 files changed, 13 insertions, 1 deletions
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<SoftwareBreakpoint>(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) }}; |