X86: Initialize the MXCSR in SE mode.

2009-08-17 20:25:14 -07:00
parent 56d87cdc08
commit 6415252a0f
1 changed files with 4 additions and 0 deletions
--- 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);
    }
 }