59 lines
777 B
Plaintext
59 lines
777 B
Plaintext
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extern _GLOBAL_OFFSET_TABLE_
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extern gdt
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section .text
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global common_spinup
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bits 32
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common_spinup:
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cli
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push 0
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push 0
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lidt [esp]
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add esp, 8
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call .get_got
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.get_got:
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pop ebx
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add ebx, _GLOBAL_OFFSET_TABLE_ + $$ - .get_got wrt ..gotpc
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lgdt [ebx + gdt wrt ..gotoff]
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push dword 0x18
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call .p1
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.p1:
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pop eax
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add eax, 6
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push eax
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retfd
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.flush_cs:
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mov eax, 0x20
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mov ds, eax
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mov es, eax
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mov fs, eax
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mov gs, eax
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mov ss, eax
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xor eax, eax
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lldt ax
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; We don't need the return address
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add esp, 4
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; Get function address
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pop edi
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; We don't need the argument count
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add esp, 4
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mov eax, 0x00000011
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mov cr0, eax
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xor eax, eax
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mov cr4, eax
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call edi
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