root / pc-bios / linux_boot.S @ 0986ac3b
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/* |
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* QEMU Boot sector to launch a preloaded Linux kernel |
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* Copyright (c) 2004 Fabrice Bellard |
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*/ |
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#define LOAD_SEG 0x9000 |
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|
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.code16 |
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.text |
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.globl _start |
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|
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_start: |
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cli |
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cld |
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mov $LOAD_SEG, %ax |
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mov %ax, %ds |
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mov %ax, %es |
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mov %ax, %fs |
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mov %ax, %gs |
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mov %ax, %ss |
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mov $0x8ffe, %sp |
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ljmp $LOAD_SEG + 0x20, $0 |
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|
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1: |
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.fill 510 - (1b - _start), 1, 0 |
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/* boot sector signature */ |
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.byte 0x55 |
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.byte 0xaa |