diff options
| -rw-r--r-- | sys/src/9/pc/apbootstrap.s | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/sys/src/9/pc/apbootstrap.s b/sys/src/9/pc/apbootstrap.s index 5407530f0..14d115224 100644 --- a/sys/src/9/pc/apbootstrap.s +++ b/sys/src/9/pc/apbootstrap.s @@ -73,6 +73,11 @@ TEXT _ap32(SB), $0 MOVL DX, (PDO(0))(CX) MOVL CX, CR3 /* load and flush the mmu */ + MOVL CR4, AX + ANDL $~0x00000020, AX /* ~PAE */ + ORL $0x00000010, AX /* PSE */ + MOVL AX, CR4 + MOVL CR0, DX ORL $0x80010000, DX /* PG|WP */ ANDL $~0x6000000A, DX /* ~(CD|NW|TS|MP) */ |