diff options
Diffstat (limited to 'src/cpu/x86/fpu_enable.inc')
| -rw-r--r-- | src/cpu/x86/fpu_enable.inc | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/src/cpu/x86/fpu_enable.inc b/src/cpu/x86/fpu_enable.inc new file mode 100644 index 0000000000..bd7a7ff630 --- /dev/null +++ b/src/cpu/x86/fpu_enable.inc @@ -0,0 +1,10 @@ + /* preserve BIST in %eax */ +__fpu_start: + movl %eax, %ebp + + /* Disable floating point emulation */ + movl %cr0, %eax + andl $~(1<<2), %eax + movl %eax, %cr0 + + movl %ebp, %eax |