diff options
Diffstat (limited to 'src/cpu/x86/sipi_vector.S')
| -rw-r--r-- | src/cpu/x86/sipi_vector.S | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/src/cpu/x86/sipi_vector.S b/src/cpu/x86/sipi_vector.S index 1c5120763e..e65491507e 100644 --- a/src/cpu/x86/sipi_vector.S +++ b/src/cpu/x86/sipi_vector.S @@ -185,6 +185,13 @@ load_msr: and $~(CR0_CLEAR_FLAGS_CACHE_ENABLE), %eax mov %eax, %cr0 +#if IS_ENABLED(CONFIG_SSE) + /* Enable sse instructions. */ + mov %cr4, %eax + orl $(CR4_OSFXSR | CR4_OSXMMEXCPT), %eax + mov %eax, %cr4 +#endif + /* c_handler(cpu_num) */ push %esi /* cpu_num */ mov c_handler, %eax |