109 lines
2.7 KiB
C
109 lines
2.7 KiB
C
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/*
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Linux Real Mode Interface - A library of DPMI-like functions for Linux.
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Copyright (C) 1998 by Josh Vanderhoof
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Permission is hereby granted, free of charge, to any person obtaining
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a copy of this software and associated documentation files (the
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"Software"), to deal in the Software without restriction, including
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without limitation the rights to use, copy, modify, merge, publish,
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distribute, sublicense, and/or sell copies of the Software, and to
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permit persons to whom the Software is furnished to do so, subject to
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the following conditions:
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The above copyright notice and this permission notice shall be
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included in all copies or substantial portions of the Software.
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
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IN NO EVENT SHALL JOSH VANDERHOOF BE LIABLE FOR ANY CLAIM, DAMAGES OR
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OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
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ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
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OTHER DEALINGS IN THE SOFTWARE.
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*/
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#ifndef LRMI_H
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#define LRMI_H
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#if defined(__i386__) && (defined(__linux__) || defined(__NetBSD__) \
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|| defined(__FreeBSD__) || defined(__OpenBSD__))
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struct LRMI_regs {
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unsigned int edi;
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unsigned int esi;
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unsigned int ebp;
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unsigned int reserved;
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unsigned int ebx;
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unsigned int edx;
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unsigned int ecx;
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unsigned int eax;
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unsigned short int flags;
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unsigned short int es;
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unsigned short int ds;
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unsigned short int fs;
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unsigned short int gs;
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unsigned short int ip;
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unsigned short int cs;
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unsigned short int sp;
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unsigned short int ss;
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};
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#ifndef LRMI_PREFIX
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#define LRMI_PREFIX LRMI_
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#endif
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#define LRMI_CONCAT2(a, b) a ## b
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#define LRMI_CONCAT(a, b) LRMI_CONCAT2(a, b)
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#define LRMI_MAKENAME(a) LRMI_CONCAT(LRMI_PREFIX, a)
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/*
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Package version (high 16bit = major, low 16bit minor)
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*/
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#define LRMI_version 0x0009 /* 0.9 */
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/*
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Initialize
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returns 1 if sucessful, 0 for failure
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*/
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#define LRMI_init LRMI_MAKENAME(init)
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int
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LRMI_init(void);
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/*
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Simulate a 16 bit far call
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returns 1 if sucessful, 0 for failure
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*/
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#define LRMI_call LRMI_MAKENAME(call)
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int
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LRMI_call(struct LRMI_regs *r);
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/*
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Simulate a 16 bit interrupt
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returns 1 if sucessful, 0 for failure
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*/
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#define LRMI_int LRMI_MAKENAME(int)
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int
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LRMI_int(int interrupt, struct LRMI_regs *r);
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/*
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Allocate real mode memory
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The returned block is paragraph (16 byte) aligned
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*/
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#define LRMI_alloc_real LRMI_MAKENAME(alloc_real)
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void *
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LRMI_alloc_real(int size);
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/*
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Free real mode memory
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*/
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#define LRMI_free_real LRMI_MAKENAME(free_real)
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void
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LRMI_free_real(void *m);
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#else /* (__linux__ || __NetBSD__ || __FreeBSD__) && __i386__ */
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#warning "LRMI is not supported on your system!"
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#endif
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#endif
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