diff options
| -rw-r--r-- | setup.S | 4 |
1 files changed, 4 insertions, 0 deletions
@@ -73,6 +73,9 @@ alt_a20_done: * Note that the short jump isn't strictly needed, althought there are * reasons why it might be a good idea. It won't hurt in any case. */ + xorl %ebx, %ebx + movw %ss, %bx + shll $4, %ebx movw $0x0001, %ax # protected mode (PE) bit lmsw %ax # This is it# jmp flush_instr @@ -81,6 +84,7 @@ flush_instr: movw %ax, %ds movw %ax, %es movw %ax, %ss + addl %ebx, %esp movw %ax, %fs movw %ax, %gs |