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arch-arm: Signal an event when executing store exclusives

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When a store exclusive is executed, whether it is successful or not,
the exclusives monitor is cleared and therefore we need to signal an
event for the PE.

Change-Id: I383c88c769c0ac5f5d36c4b5d39c9681134d3a20
Reviewed-by: Andreas Sandberg <andreas.sandberg@arm.com>
Reviewed-on: https://gem5-review.googlesource.com/4480
Maintainer: Andreas Sandberg <andreas.sandberg@arm.com>
This commit is contained in:
Nikos Nikoleris
2017-07-12 13:49:24 +01:00
parent b10a0092ae
commit 6b41bea744
2 changed files with 10 additions and 6 deletions
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8
src/arch/arm/isa/insts/str.isa
View File

@@ -1,6 +1,6 @@
// -*- mode:c++ -*-
// Copyright (c) 2010-2011 ARM Limited
// Copyright (c) 2010-2011,2017 ARM Limited
// All rights reserved
//
// The license below extends only to copyright in the software and shall
@@ -228,7 +228,8 @@ let {{
def __init__(self, *args, **kargs):
super(StoreImmEx, self).__init__(*args, **kargs)
self.codeBlobs["postacc_code"] = "Result = !writeResult;"
self.codeBlobs["postacc_code"] = \
"Result = !writeResult; SevMailbox = 1; LLSCLock = 0;"
class StoreImm(StoreImmInst, StoreSingle):
decConstBase = 'LoadStoreImm'
@@ -307,7 +308,8 @@ let {{
def __init__(self, *args, **kargs):
super(StoreDoubleImmEx, self).__init__(*args, **kargs)
self.codeBlobs["postacc_code"] = "Result = !writeResult;"
self.codeBlobs["postacc_code"] = \
"Result = !writeResult; SevMailbox = 1; LLSCLock = 0;"
class StoreDoubleImm(StoreImmInst, StoreDouble):
decConstBase = 'LoadStoreDImm'

8
src/arch/arm/isa/insts/str64.isa
View File

@@ -1,6 +1,6 @@
// -*- mode:c++ -*-
// Copyright (c) 2011-2013 ARM Limited
// Copyright (c) 2011-2013,2017 ARM Limited
// All rights reserved
//
// The license below extends only to copyright in the software and shall
@@ -277,7 +277,8 @@ let {{
execBase = 'StoreEx64'
def __init__(self, *args, **kargs):
super(StoreEx64, self).__init__(*args, **kargs)
self.codeBlobs["postacc_code"] = "XResult = !writeResult;"
self.codeBlobs["postacc_code"] = \
"XResult = !writeResult; SevMailbox = 1; LLSCLock = 0;"
def buildStores64(mnem, NameBase, size, flavor="normal"):
StoreImm64(mnem, NameBase + "_IMM", size, flavor=flavor).emit()
@@ -343,7 +344,8 @@ let {{
writeback = False
def __init__(self, *args, **kargs):
super(StoreImmDEx64, self).__init__(*args, **kargs)
self.codeBlobs["postacc_code"] = "XResult = !writeResult;"
self.codeBlobs["postacc_code"] = \
"XResult = !writeResult; SevMailbox = 1; LLSCLock = 0;"
class StoreRegU64(StoreReg64):
decConstBase = 'LoadStoreRegU64'