| 80,10 → 80,25 |
|---|
| no_long_mode: |
| 1: |
| jmp 1b |
| |
| .code32 |
| .align 4 |
| multiboot_header: |
| .long MULTIBOOT_HEADER_MAGIC |
| .long MULTIBOOT_HEADER_FLAGS |
| .long -(MULTIBOOT_HEADER_MAGIC + MULTIBOOT_HEADER_FLAGS) # checksum |
| .long multiboot_header + BOOT_OFFSET |
| .long unmapped_ktext_start + BOOT_OFFSET |
| .long 0 |
| .long 0 |
| .long multiboot_image_start + BOOT_OFFSET |
| |
| multiboot_image_start: |
| movl $START_STACK, %esp # initialize stack pointer |
| # FIXME TODO |
| |
| # Protected 32-bit. We want to reuse the code-seg descriptor, |
| # the Default operand size must not be 1 when entering long mode |
| .code32 |
| now_in_prot: |
| # Set up stack & data descriptors |
| movw $gdtselector(KDATA_DES), %ax |