aboutsummaryrefslogtreecommitdiff
path: root/backends/platform/gp2x/gp2x-mem.cpp
diff options
context:
space:
mode:
Diffstat (limited to 'backends/platform/gp2x/gp2x-mem.cpp')
-rw-r--r--backends/platform/gp2x/gp2x-mem.cpp84
1 files changed, 0 insertions, 84 deletions
diff --git a/backends/platform/gp2x/gp2x-mem.cpp b/backends/platform/gp2x/gp2x-mem.cpp
deleted file mode 100644
index 8d22bf8130..0000000000
--- a/backends/platform/gp2x/gp2x-mem.cpp
+++ /dev/null
@@ -1,84 +0,0 @@
-/* ScummVM - Graphic Adventure Engine
- *
- * ScummVM is the legal property of its developers, whose names
- * are too numerous to list here. Please refer to the COPYRIGHT
- * file distributed with this source distribution.
- *
- * 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
- *
- */
-
-/*
- * GP2X: Memory tweaking stuff.
- *
- */
-
-// Disable symbol overrides so that we can use system headers.
-#define FORBIDDEN_SYMBOL_ALLOW_ALL
-
-#include <stdio.h>
-#include <signal.h>
-#include <setjmp.h>
-#include <stdlib.h>
-#include <fcntl.h>
-#include <sys/mman.h>
-#include <unistd.h>
-#include <string.h>
-
-#include "backends/platform/gp2x/gp2x-mem.h"
-
-extern "C" {
-static volatile unsigned short *gp2x_memregs;
-}
-
-void SetClock (unsigned c) {
- unsigned v;
- unsigned mdiv,pdiv=3,scale=0;
-
- // Set ARM920t clock
- c *= 1000000;
- mdiv = (c*pdiv) / SYS_CLK_FREQ;
- mdiv = ((mdiv-8)<<8) & 0xff00;
- pdiv = ((pdiv-2)<<2) & 0xfc;
- scale &= 3;
- v = mdiv | pdiv | scale;
- gp2x_memregs[0x910>>1] = v;
-}
-
-void patchMMU (void) {
- //volatile unsigned int *secbuf = (unsigned int *)malloc (204800);
-
- printf ("Reconfiguring cached memory regions...\n");
-
- //hackpgtable();
- //printf ("Sucess...\n");
-
- system("/sbin/rmmod mmuhack");
- system("/sbin/insmod -f mmuhack.o");
-
- int mmufd = open("/dev/mmuhack", O_RDWR);
-
- if(mmufd < 0) {
- printf ("Upper memory uncached (attempt failed, access to upper memory will be slower)...\n");
- } else {
- printf ("Upper memory cached...\n");
- close(mmufd);
- }
-}
-
-void unpatchMMU (void) {
- printf ("Restoreing cached memory regions...\n");
- system("/sbin/rmmod mmuhack");
-}