diff options
Diffstat (limited to 'src/arch')
| -rw-r--r-- | src/arch/x86/bootblock_crt0.S | 8 |
1 files changed, 2 insertions, 6 deletions
diff --git a/src/arch/x86/bootblock_crt0.S b/src/arch/x86/bootblock_crt0.S index 7292b8b17c..9fbce5dbb5 100644 --- a/src/arch/x86/bootblock_crt0.S +++ b/src/arch/x86/bootblock_crt0.S @@ -41,14 +41,10 @@ bootblock_protected_mode_entry: movd %eax, %mm1 movd %edx, %mm2 -#if !IS_ENABLED(CONFIG_SSE) +#if IS_ENABLED(CONFIG_SSE) enable_sse: - mov %cr0, %eax - and $~CR0_EM, %ax /* Clear coprocessor emulation CR0.EM */ - or $CR0_MP, %ax /* Set coprocessor monitoring CR0.MP */ - mov %eax, %cr0 mov %cr4, %eax - or $(CR4_OSFXSR | CR4_OSXMMEXCPT), %ax + or $CR4_OSFXSR, %ax mov %eax, %cr4 #endif /* IS_ENABLED(CONFIG_SSE) */ |