diff options
Diffstat (limited to 'src/cpu/x86/smm/smmhandler.S')
| -rw-r--r-- | src/cpu/x86/smm/smmhandler.S | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/src/cpu/x86/smm/smmhandler.S b/src/cpu/x86/smm/smmhandler.S index 450aa538f8..774088e1f2 100644 --- a/src/cpu/x86/smm/smmhandler.S +++ b/src/cpu/x86/smm/smmhandler.S @@ -83,13 +83,15 @@ smm_handler_start: andl $0x7FFAFFD1, %eax /* PG,AM,WP,NE,TS,EM,MP = 0 */ orl $0x60000001, %eax /* CD, NW, PE = 1 */ movl %eax, %cr0 - wbinvd /* Enable protected mode */ data32 ljmp $0x08, $1f .code32 1: + /* flush the cache after disabling it */ + wbinvd + /* Use flat data segment */ movw $0x10, %ax movw %ax, %ds |