1 files changed, 180 insertions, 0 deletions
diff --git a/xorg-server/hw/kdrive/vesa/vm86.h b/xorg-server/hw/kdrive/vesa/vm86.h
new file mode 100644
index 000000000..81693081a
--- /dev/null
+++ b/xorg-server/hw/kdrive/vesa/vm86.h
@@ -0,0 +1,180 @@
+/*
+ * Copyright © 2000 Keith Packard
+ *
+ * Permission to use, copy, modify, distribute, and sell this software and its
+ * documentation for any purpose is hereby granted without fee, provided that
+ * the above copyright notice appear in all copies and that both that
+ * copyright notice and this permission notice appear in supporting
+ * documentation, and that the name of Keith Packard not be used in
+ * advertising or publicity pertaining to distribution of the software without
+ * specific, written prior permission.  Keith Packard makes no
+ * representations about the suitability of this software for any purpose.  It
+ * is provided "as is" without express or implied warranty.
+ *
+ * KEITH PACKARD DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
+ * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO
+ * EVENT SHALL KEITH PACKARD BE LIABLE FOR ANY SPECIAL, INDIRECT OR
+ * CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE,
+ * DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
+ * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
+ * PERFORMANCE OF THIS SOFTWARE.
+ */
+/* 
+Copyright (c) 2000 by Juliusz Chroboczek
+ 
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions: 
+ 
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software. 
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+THE SOFTWARE.
+*/
+
+#ifndef _VM86_H_
+#define _VM86_H_
+
+#include <stdlib.h>
+#include <errno.h>
+#include <unistd.h>
+#include <fcntl.h>
+#include <sys/mman.h>
+#include <sys/vm86.h>
+#include <sys/io.h>
+
+#ifdef NOT_IN_X_SERVER
+#include <stdio.h>
+#include <stdarg.h>
+#include <malloc.h>
+static void ErrorF(char*, ...);
+#define xalloc(a) malloc(a)
+#define xcalloc(a,b) calloc(a,b)
+#define xfree(a) free(a)
+#else
+#include <X11/X.h>
+#include <X11/Xproto.h>
+#include <X11/Xos.h>
+#include "os.h"
+#endif
+
+#ifndef IF_MASK
+#define IF_MASK X86_EFLAGS_IF
+#endif
+#ifndef IOPL_MASK
+#define IOPL_MASK X86_EFLAGS_IOPL
+#endif
+
+typedef unsigned char	U8;
+typedef unsigned short	U16;
+typedef unsigned int	U32;
+
+/* The whole addressable memory */
+#define SYSMEM_BASE 0x00000
+#define SYSMEM_SIZE 0x100000
+
+/* Interrupt vectors and BIOS data area */
+/* This is allocated privately from /dev/mem */
+#define MAGICMEM_BASE 0x00000
+#define MAGICMEM_SIZE 0x01000
+
+/* The low memory, allocated privately from /dev/zero */
+/* 64KB should be enough for anyone, as they used to say */
+#define LOMEM_BASE 0x10000
+#define LOMEM_SIZE 0x10000
+
+/* The video memory and BIOS ROM, allocated shared from /dev/mem */
+#define HIMEM_BASE 0xA0000
+#define HIMEM_SIZE (SYSMEM_BASE + SYSMEM_SIZE - HIMEM_BASE)
+
+#define HOLE1_BASE (MAGICMEM_BASE + MAGICMEM_SIZE)
+#define HOLE1_SIZE (LOMEM_BASE - HOLE1_BASE)
+
+#define HOLE2_BASE (LOMEM_BASE + LOMEM_SIZE)
+#define HOLE2_SIZE (HIMEM_BASE - HOLE2_BASE)
+
+/* The BIOS ROM */
+#define ROM_BASE 0xC0000
+#define ROM_SIZE 0x30000
+
+#define STACK_SIZE 0x1000
+
+#define POINTER_SEGMENT(ptr) (((unsigned int)ptr)>>4)
+#define POINTER_OFFSET(ptr) (((unsigned int)ptr)&0x000F)
+#define MAKE_POINTER(seg, off) (((((unsigned int)(seg))<<4) + (unsigned int)(off)))
+#define MAKE_POINTER_1(lw) MAKE_POINTER(((lw)&0xFFFF0000)/0x10000, (lw)&0xFFFF)
+#define ALLOC_FAIL ((U32)-1)
+
+typedef struct _Vm86InfoRec {
+    void		*magicMem, *loMem, *hiMem;
+    void                *hole1, *hole2;
+    U32			brk;
+    struct vm86_struct	vms;
+    U32			ret_code, stack_base;
+} Vm86InfoRec, *Vm86InfoPtr;
+
+#define LM(vi,i) (((char*)vi->loMem)[i-LOMEM_BASE])
+#define LMW(vi,i) (*(U16*)(&LM(vi,i)))
+#define LML(vi,i) (*(U32*)(&LM(vi,i)))
+#define MM(vi,i) (((char*)vi->magicMem)[i-MAGICMEM_BASE])
+#define MMW(vi,i) (*(U16*)(&MM(vi,i)))
+#define MML(vi,i) (*(U32*)(&MM(vi,i)))
+#define HM(vi,i) (((char*)vi->hiMem)[i-HIMEM_BASE])
+#define HMW(vi,i) (*(U16*)(&MM(vi,i)))
+#define HML(vi,i) (*(U32*)(&MM(vi,i)))
+
+Vm86InfoPtr
+Vm86Setup(int);
+    
+void
+Vm86Cleanup(Vm86InfoPtr vi);
+
+int
+Vm86DoInterrupt(Vm86InfoPtr vi, int num);
+
+int
+Vm86DoPOST(Vm86InfoPtr vi);
+
+int
+Vm86IsMemory(Vm86InfoPtr vi, U32 i);
+
+U8
+Vm86Memory(Vm86InfoPtr, U32);
+
+U16
+Vm86MemoryW(Vm86InfoPtr, U32);
+
+U32
+Vm86MemoryL(Vm86InfoPtr, U32);
+
+void
+Vm86WriteMemory(Vm86InfoPtr, U32, U8);
+
+void
+Vm86WriteMemoryW(Vm86InfoPtr, U32, U16);
+
+void
+Vm86WriteMemoryL(Vm86InfoPtr, U32, U32);
+
+int
+Vm86AllocateMemory(Vm86InfoPtr, int);
+
+int
+Vm86MarkMemory (Vm86InfoPtr vi);
+
+void
+Vm86ReleaseMemory (Vm86InfoPtr vi, int mark);
+
+void
+Vm86Debug(Vm86InfoPtr vi);
+
+#endif /* _VM86_H_ */