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| Rev 2725 | Rev 2784 | ||
|---|---|---|---|
| Line 52... | Line 52... | ||
| 52 | .long 0 |
52 | .long 0 |
| 53 | .long 0 |
53 | .long 0 |
| 54 | .long multiboot_image_start |
54 | .long multiboot_image_start |
| 55 | 55 | ||
| 56 | multiboot_image_start: |
56 | multiboot_image_start: |
| - | 57 | cld |
|
| 57 | movl $START_STACK, %esp # initialize stack pointer |
58 | movl $START_STACK, %esp # initialize stack pointer |
| 58 | lgdtl bootstrap_gdtr # initialize Global Descriptor Table register |
59 | lgdtl bootstrap_gdtr # initialize Global Descriptor Table register |
| 59 | 60 | ||
| 60 | movw $gdtselector(KDATA_DES), %cx |
61 | movw $gdtselector(KDATA_DES), %cx |
| 61 | movw %cx, %es |
62 | movw %cx, %es |
| Line 124... | Line 125... | ||
| 124 | 125 | ||
| 125 | #ifdef CONFIG_FB |
126 | #ifdef CONFIG_FB |
| 126 | mov $vesa_init, %esi |
127 | mov $vesa_init, %esi |
| 127 | mov $VESA_INIT_SEGMENT << 4, %edi |
128 | mov $VESA_INIT_SEGMENT << 4, %edi |
| 128 | mov $e_vesa_init - vesa_init, %ecx |
129 | mov $e_vesa_init - vesa_init, %ecx |
| 129 | cld |
- | |
| 130 | rep movsb |
130 | rep movsb |
| 131 | 131 | ||
| 132 | mov $VESA_INIT_SEGMENT << 4, %edi |
132 | mov $VESA_INIT_SEGMENT << 4, %edi |
| 133 | jmpl *%edi |
133 | jmpl *%edi |
| 134 | 134 | ||
| Line 280... | Line 280... | ||
| 280 | # copy AP bootstrap routines below 1 MB |
280 | # copy AP bootstrap routines below 1 MB |
| 281 | 281 | ||
| 282 | movq $BOOT_OFFSET, %rsi |
282 | movq $BOOT_OFFSET, %rsi |
| 283 | movq $AP_BOOT_OFFSET, %rdi |
283 | movq $AP_BOOT_OFFSET, %rdi |
| 284 | movq $_hardcoded_unmapped_size, %rcx |
284 | movq $_hardcoded_unmapped_size, %rcx |
| 285 | cld |
- | |
| 286 | rep movsb |
285 | rep movsb |
| 287 | 286 | ||
| 288 | #endif |
287 | #endif |
| 289 | 288 | ||
| 290 | call main_bsp # never returns |
289 | call main_bsp # never returns |
| Line 554... | Line 553... | ||
| 554 | movw %ax, %bx |
553 | movw %ax, %bx |
| 555 | shl $1, %eax |
554 | shl $1, %eax |
| 556 | addl %eax, %edi |
555 | addl %eax, %edi |
| 557 | 556 | ||
| 558 | movw $0x0c00, %ax # black background, light red foreground |
557 | movw $0x0c00, %ax # black background, light red foreground |
| 559 | cld |
- | |
| 560 | 558 | ||
| 561 | ploop: |
559 | ploop: |
| 562 | lodsb |
560 | lodsb |
| 563 | cmp $0, %al |
561 | cmp $0, %al |
| 564 | je ploop_end |
562 | je ploop_end |