diff options
Diffstat (limited to 'src/arch/alpha')
| -rw-r--r-- | src/arch/alpha/isa/decoder.isa | 21 |
1 files changed, 20 insertions, 1 deletions
diff --git a/src/arch/alpha/isa/decoder.isa b/src/arch/alpha/isa/decoder.isa index 9785e217c..93863b50d 100644 --- a/src/arch/alpha/isa/decoder.isa +++ b/src/arch/alpha/isa/decoder.isa @@ -1,5 +1,17 @@ // -*- mode:c++ -*- +// Copyright (c) 2013 ARM Limited +// All rights reserved +// +// The license below extends only to copyright in the software and shall +// not be construed as granting a license to any other intellectual +// property including but not limited to intellectual property relating +// to a hardware implementation of the functionality of the software +// licensed hereunder. You may use the software subject to the license +// terms below provided that you ensure that this notice is replicated +// unmodified and in its entirety in all distributions of the software, +// modified or unmodified, in source code or in binary form. +// // Copyright (c) 2003-2006 The Regents of The University of Michigan // All rights reserved. // @@ -929,7 +941,14 @@ decode OPCODE default Unknown::unknown() { PseudoInst::arm(xc->tcBase()); }}, IsNonSpeculative); 0x01: quiesce({{ - PseudoInst::quiesce(xc->tcBase()); + // Don't sleep if (unmasked) interrupts are pending + Interrupts* interrupts = + xc->tcBase()->getCpuPtr()->getInterruptController(); + if (interrupts->checkInterrupts(xc->tcBase())) { + PseudoInst::quiesceSkip(xc->tcBase()); + } else { + PseudoInst::quiesce(xc->tcBase()); + } }}, IsNonSpeculative, IsQuiesce); 0x02: quiesceNs({{ PseudoInst::quiesceNs(xc->tcBase(), R16); |