From 0023db327bc1db00068284b70e1db45857aeee35 Mon Sep 17 00:00:00 2001
From: Travis Bradshaw <travis.bradshaw@idsoftware.com>
Date: Tue, 31 Jan 2012 14:32:09 -0600
Subject: The Quake sources as originally release under the GPL license on
 December 21, 1999

---
 WinQuake/sys_sun.c | 352 +++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 352 insertions(+)
 create mode 100644 WinQuake/sys_sun.c

(limited to 'WinQuake/sys_sun.c')

diff --git a/WinQuake/sys_sun.c b/WinQuake/sys_sun.c
new file mode 100644
index 0000000..48cf828
--- /dev/null
+++ b/WinQuake/sys_sun.c
@@ -0,0 +1,352 @@
+/*
+Copyright (C) 1996-1997 Id Software, Inc.
+
+This program is free software; you can redistribute it and/or
+modify it under the terms of the GNU General Public License
+as published by the Free Software Foundation; either version 2
+of the License, or (at your option) any later version.
+
+This program is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  
+
+See the GNU General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with this program; if not, write to the Free Software
+Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
+
+*/
+// sys_sun.h -- Sun system driver
+
+#include "quakedef.h"
+#include "errno.h"
+#include <sys/types.h>
+#include <sys/time.h>
+#include <sys/stat.h>
+#include <sys/mman.h>
+#include <sys/param.h>
+#include <fcntl.h>
+#include <stddef.h>
+#include <sys/types.h>
+#include <fcntl.h>
+#include <sys/mman.h>
+#include <stdio.h>
+
+qboolean			isDedicated;
+
+/*
+===============================================================================
+
+FILE IO
+
+===============================================================================
+*/
+
+#define MAX_HANDLES             10
+
+typedef struct 
+{
+    FILE	    *hFile;
+    char	    *pMap;
+    int		    nLen;
+    int		    nPos;
+} MEMFILE;
+
+MEMFILE		    sys_handles[MAX_HANDLES];
+
+int findhandle (void)
+{
+    int             i;
+    
+    for (i=1 ; i<MAX_HANDLES ; i++)
+	    if (!sys_handles[i].hFile)
+		    return i;
+    Sys_Error ("out of handles");
+    return -1;
+}
+
+/*
+================
+filelength
+================
+*/
+int filelength (FILE *f)
+{
+    int             pos;
+    int             end;
+
+    pos = ftell (f);
+    fseek (f, 0, SEEK_END);
+    end = ftell (f);
+    fseek (f, pos, SEEK_SET);
+
+    return end;
+}
+
+int Sys_FileOpenRead (char *path, int *hndl)
+{
+    FILE    *f;
+    int             i;
+    
+    i = findhandle ();
+    
+    f = fopen(path, "rb");
+    if (!f)
+    {
+	*hndl = -1;
+	return -1;
+    }
+    sys_handles[i].hFile = f;
+    sys_handles[i].nLen = filelength(f);
+    sys_handles[i].nPos = 0;
+    sys_handles[i].pMap = mmap( 0, sys_handles[i].nLen, PROT_READ, MAP_SHARED, fileno( sys_handles[i].hFile ), 0 );
+    if (!sys_handles[i].pMap || (sys_handles[i].pMap == (char *)-1))
+    {
+	printf( "mmap %s failed!", path );
+	sys_handles[i].pMap = NULL;
+    }
+
+    *hndl = i;
+    
+    return( sys_handles[i].nLen );
+}
+
+int Sys_FileOpenWrite (char *path)
+{
+    FILE    *f;
+    int             i;
+    
+    i = findhandle ();
+
+    f = fopen(path, "wb");
+    if (!f)
+	Sys_Error ("Error opening %s: %s", path,strerror(errno));
+    sys_handles[i].hFile = f;
+    sys_handles[i].nLen = 0;
+    sys_handles[i].nPos = 0;
+    sys_handles[i].pMap = NULL;
+    
+    return i;
+}
+
+void Sys_FileClose (int handle)
+{
+    if (sys_handles[handle].pMap)
+	if (munmap( sys_handles[handle].pMap, sys_handles[handle].nLen ) != 0)
+	    printf( "failed to unmap handle %d\n", handle );
+
+    fclose (sys_handles[handle].hFile);
+    sys_handles[handle].hFile = NULL;
+}
+
+void Sys_FileSeek (int handle, int position)
+{
+    if (sys_handles[handle].pMap)
+    {
+	sys_handles[handle].nPos = position;
+    }
+    else fseek (sys_handles[handle].hFile, position, SEEK_SET);
+}
+
+int Sys_FileRead (int handle, void *dest, int count)
+{
+    if (sys_handles[handle].pMap)
+    {
+	int nPos = sys_handles[handle].nPos;
+	if (count < 0) count = 0;
+	if (nPos + count > sys_handles[handle].nLen)
+	    count = sys_handles[handle].nLen - nPos;
+	memcpy( dest, &sys_handles[handle].pMap[nPos], count );
+	sys_handles[handle].nPos = nPos + count;
+	return( count );
+    }
+    else return fread (dest, 1, count, sys_handles[handle].hFile);
+}
+
+int Sys_FileWrite (int handle, void *data, int count)
+{
+    if (sys_handles[handle].pMap)
+	Sys_Error( "Attempted to write to read-only file %d!\n", handle );
+    return fwrite (data, 1, count, sys_handles[handle].hFile);
+}
+
+int Sys_FileTime (char *path)
+{
+    FILE    *f;
+    
+    f = fopen(path, "rb");
+    if (f)
+    {
+	fclose(f);
+	return 1;
+    }
+    
+    return -1;
+}
+
+void Sys_mkdir (char *path)
+{
+    mkdir( path, 0777 );
+}
+
+/*
+===============================================================================
+
+SYSTEM IO
+
+===============================================================================
+*/
+
+void Sys_MakeCodeWriteable (unsigned long startaddr, unsigned long length)
+{
+
+	int r;
+	unsigned long addr;
+	int psize = getpagesize();
+
+	addr = (startaddr & ~(psize-1)) - psize;
+
+//	fprintf(stderr, "writable code %lx(%lx)-%lx, length=%lx\n", startaddr,
+//			addr, startaddr+length, length);
+
+	r = mprotect((char*)addr, length + startaddr - addr + psize, 7);
+
+	if (r < 0)
+    		Sys_Error("Protection change failed\n");
+
+}
+
+
+void Sys_Error (char *error, ...)
+{
+    va_list         argptr;
+
+    printf ("Sys_Error: ");   
+    va_start (argptr,error);
+    vprintf (error,argptr);
+    va_end (argptr);
+    printf ("\n");
+    Host_Shutdown();
+    exit (1);
+}
+
+void Sys_Printf (char *fmt, ...)
+{
+    va_list         argptr;
+    
+    va_start (argptr,fmt);
+    vprintf (fmt,argptr);
+    va_end (argptr);
+}
+
+void Sys_Quit (void)
+{
+    Host_Shutdown();
+    exit (0);
+}
+
+double Sys_FloatTime (void)
+{
+    struct timeval tp;
+    struct timezone tzp; 
+    static int      secbase; 
+    
+    gettimeofday(&tp, &tzp);  
+
+    if (!secbase)
+    {
+        secbase = tp.tv_sec;
+        return tp.tv_usec/1000000.0;
+    }
+
+    return (tp.tv_sec - secbase) + tp.tv_usec/1000000.0;
+}
+
+char *Sys_ConsoleInput (void)
+{
+    static char	text[256];
+    int		len;
+    fd_set	readfds;
+    int		ready;
+    struct timeval timeout;
+    
+    timeout.tv_sec = 0;
+    timeout.tv_usec = 0;
+    FD_ZERO(&readfds);
+    FD_SET(0, &readfds);
+    ready = select(1, &readfds, 0, 0, &timeout);
+    
+    if (ready>0)
+    {
+	len = read (0, text, sizeof(text));
+	if (len >= 1)
+	{
+		text[len-1] = 0;	// rip off the /n and terminate
+		return text;
+	}
+    }
+    
+    return 0;
+}
+
+void Sys_Sleep (void)
+{
+}
+
+#if !id386
+void Sys_HighFPPrecision (void)
+{
+}
+
+void Sys_LowFPPrecision (void)
+{
+}
+#endif
+
+void Sys_Init(void)
+{
+#if id386
+	Sys_SetFPCW();
+#endif
+}
+
+//=============================================================================
+
+int main (int argc, char **argv)
+{
+    static quakeparms_t    parms;
+    float time, oldtime, newtime;
+    
+    parms.memsize = 16*1024*1024;
+    parms.membase = malloc (parms.memsize);
+    parms.basedir = ".";
+    parms.cachedir = NULL;
+
+    COM_InitArgv (argc, argv);
+
+    parms.argc = com_argc;
+    parms.argv = com_argv;
+
+    printf ("Host_Init\n");
+    Host_Init (&parms);
+
+	Sys_Init();
+
+    // unroll the simulation loop to give the video side a chance to see _vid_default_mode
+    Host_Frame( 0.1 );
+    VID_SetDefaultMode();
+
+    oldtime = Sys_FloatTime();
+    while (1)
+    {
+		newtime = Sys_FloatTime();
+		Host_Frame (newtime - oldtime);
+		oldtime = newtime;
+    }
+	return 0;
+}
+
+
+
+
-- 
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