From 32495abc384d043d6717e55053aac17e2a746a46 Mon Sep 17 00:00:00 2001 From: Andre Heider Date: Fri, 27 Mar 2009 14:12:42 +0000 Subject: Improved configure support for the GP2X port. svn-id: r39708 --- backends/platform/gp2x/gp2x-mem.c | 86 ------------------------------------- backends/platform/gp2x/gp2x-mem.cpp | 86 +++++++++++++++++++++++++++++++++++++ 2 files changed, 86 insertions(+), 86 deletions(-) delete mode 100644 backends/platform/gp2x/gp2x-mem.c create mode 100644 backends/platform/gp2x/gp2x-mem.cpp (limited to 'backends/platform') diff --git a/backends/platform/gp2x/gp2x-mem.c b/backends/platform/gp2x/gp2x-mem.c deleted file mode 100644 index ec73922bf7..0000000000 --- a/backends/platform/gp2x/gp2x-mem.c +++ /dev/null @@ -1,86 +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. - * - * $URL$ - * $Id$ - * - */ - -/* - * GP2X: Memory tweaking stuff. - * - */ - -#include -#include -#include -#include -#include -#include -#include -#include - -#include "gp2x-mem.h" - -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"); -} diff --git a/backends/platform/gp2x/gp2x-mem.cpp b/backends/platform/gp2x/gp2x-mem.cpp new file mode 100644 index 0000000000..ec73922bf7 --- /dev/null +++ b/backends/platform/gp2x/gp2x-mem.cpp @@ -0,0 +1,86 @@ +/* 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. + * + * $URL$ + * $Id$ + * + */ + +/* + * GP2X: Memory tweaking stuff. + * + */ + +#include +#include +#include +#include +#include +#include +#include +#include + +#include "gp2x-mem.h" + +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"); +} -- cgit v1.2.3