2008-05-22 17:54:28 +04:00
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/*
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* Copyright 2008 Jan Klötzke
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* All rights reserved. Distributed under the terms of the MIT License.
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*/
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#ifndef _VM86_H
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#define _VM86_H
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#include <OS.h>
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2008-05-28 14:48:01 +04:00
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#include <arch/x86/arch_cpu.h>
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2008-05-22 17:54:28 +04:00
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#ifdef __cplusplus
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extern "C" {
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#endif
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#define VM86_MIN_RAM_SIZE 0x1000
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#define RETURN_TO_32_INT 255
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struct vm86_state {
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struct vm86_iframe regs;
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area_id bios_area;
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area_id ram_area;
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unsigned int if_flag : 1;
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};
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status_t x86_vm86_enter(struct vm86_iframe *frame);
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void x86_vm86_return(struct vm86_iframe *frame, status_t retval);
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status_t vm86_prepare(struct vm86_state *state, unsigned int ram_size);
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void vm86_cleanup(struct vm86_state *state);
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status_t vm86_do_int(struct vm86_state *state, uint8 vec);
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#ifdef __cplusplus
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}
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#endif
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#endif
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