From: Gabe Black <gblack@eecs.umich.edu>
Date: Tue, 18 Aug 2009 03:25:14 +0000 (-0700)
Subject: X86: Initialize the MXCSR in SE mode.
X-Git-Tag: Calvin_Submission~44
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=6415252a0f006740995c07efe8b6b8a8b2ff8d86;p=gem5.git

X86: Initialize the MXCSR in SE mode.
---

diff --git a/src/arch/x86/process.cc b/src/arch/x86/process.cc
index 3434ebd73..4082e568c 100644
--- a/src/arch/x86/process.cc
+++ b/src/arch/x86/process.cc
@@ -270,6 +270,8 @@ X86_64LiveProcess::startup()
                     // setting it to one.
         cr0.pe = 1; // We're definitely in protected mode.
         tc->setMiscReg(MISCREG_CR0, cr0);
+
+        tc->setMiscReg(MISCREG_MXCSR, 0x1f80);
     }
 }
 
@@ -390,6 +392,8 @@ I386LiveProcess::startup()
                     // setting it to one.
         cr0.pe = 1; // We're definitely in protected mode.
         tc->setMiscReg(MISCREG_CR0, cr0);
+
+        tc->setMiscReg(MISCREG_MXCSR, 0x1f80);
     }
 }