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42 lines
910 B
ArmAsm
42 lines
910 B
ArmAsm
/*
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* FILE: hal/halx86/generic/v86.S
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* COPYRIGHT: See COPYING in the top level directory
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* PURPOSE: System Traps, Entrypoints and Exitpoints
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* PROGRAMMER: Timo Kreuzer (timo.kreuzer@reactos.org)
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* NOTE: See asmmacro.S for the shared entry/exit code.
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*/
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/* INCLUDES ******************************************************************/
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#include <asm.inc>
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#include <ks386.inc>
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.code
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PUBLIC @HalpExitToV86@4
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@HalpExitToV86@4:
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/* Point esp to the iret frame and return */
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lea esp, [ecx + KTRAP_FRAME_EIP]
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iretd
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/* Here starts the real mode code */
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.code16
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PUBLIC _HalpRealModeStart
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_HalpRealModeStart:
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/* INT 0x10: AH = 0 (Set video Mode), AL = 0x12 (Mode 12) */
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mov eax, HEX(12)
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int HEX(10)
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/* BOP */
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.byte HEX(C4), HEX(C4)
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/* The real mode stack */
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.align 4
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.space 2048
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_HalpRealModeEnd:
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PUBLIC _HalpRealModeEnd
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.endcode16
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END
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