From 1d18eb9043d5d2e69d3885be8dd59695ad80a92d Mon Sep 17 00:00:00 2001
From: Gabe Black <gblack@eecs.umich.edu>
Date: Fri, 27 Feb 2009 09:25:02 -0800
Subject: X86: Make instructions that use intseg preserve all 8 bytes of their
addresses.
---
src/arch/x86/isa/insts/system/msrs.py | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
(limited to 'src/arch/x86/isa/insts/system')
diff --git a/src/arch/x86/isa/insts/system/msrs.py b/src/arch/x86/isa/insts/system/msrs.py
index f3c867398..7f283c8c1 100644
--- a/src/arch/x86/isa/insts/system/msrs.py
+++ b/src/arch/x86/isa/insts/system/msrs.py
@@ -85,7 +85,7 @@ microcode = '''
def macroop RDMSR
{
ld t2, intseg, [8, rcx, t0], "IntAddrPrefixMSR << 3", \
- dataSize=8, addressSize=4
+ dataSize=8, addressSize=8
mov rax, rax, t2, dataSize=4
srli t2, t2, 32, dataSize=8
mov rdx, rdx, t2, dataSize=4
@@ -97,7 +97,7 @@ def macroop WRMSR
slli t3, rdx, 32, dataSize=8
or t2, t2, t3, dataSize=8
st t2, intseg, [8, rcx, t0], "IntAddrPrefixMSR << 3", \
- dataSize=8, addressSize=4
+ dataSize=8, addressSize=8
};
def macroop RDTSC
--
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