Initial commit

channel/channelapp/stub/stub.c

@@ -0,0 +1,151 @@
+/*
+ *  Copyright (C) 2008 dhewg, #wiidev efnet
+ *  Copyright (C) 2008 marcan, #wiidev efnet
+ *
+ *  this file is part of the Homebrew Channel
+ *
+ *  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
+ */
+
+#include "system.h"
+#include "stub_debug.h"
+#include "usb.h"
+#include "ios.h"
+#include "cache.h"
+#include "../config.h"
+
+#define IOCTL_ES_LAUNCH					0x08
+#define IOCTL_ES_GETVIEWCNT				0x12
+#define IOCTL_ES_GETVIEWS				0x13
+
+struct ioctlv vecs[3] __attribute__((aligned(32)));
+
+u64 *conf_magic = STUB_ADDR_MAGIC;
+u64 *conf_titleID = STUB_ADDR_TITLE;
+
+int es_fd;
+
+int LaunchTitle(u64 titleID) {
+	static u64 xtitleID __attribute__((aligned(32)));
+	static u32 cntviews __attribute__((aligned(32)));
+	static u8 tikviews[0xd8*4] __attribute__((aligned(32)));
+	int ret;
+	
+	debug_string("LaunchTitle: ");
+	debug_uint(titleID>>32);
+	debug_string("-");
+	debug_uint(titleID&0xFFFFFFFF);
+	
+	xtitleID = titleID;
+	
+	debug_string("\n\rGetTicketViewCount: ");
+	
+	vecs[0].data = &xtitleID;
+	vecs[0].len = 8;
+	vecs[1].data = &cntviews;
+	vecs[1].len = 4;
+	ret = ios_ioctlv(es_fd, IOCTL_ES_GETVIEWCNT, 1, 1, vecs);
+	debug_uint(ret);
+	debug_string(", views: ");
+	debug_uint(cntviews);
+	debug_string("\n\r");
+	if(ret<0) return ret;
+	if(cntviews>4) return -1;
+		
+	debug_string("GetTicketViews: ");
+	vecs[0].data = &xtitleID;
+	vecs[0].len = 8;
+	vecs[1].data = &cntviews;
+	vecs[1].len = 4;
+	vecs[2].data = tikviews;
+	vecs[2].len = 0xd8*cntviews;
+	ret = ios_ioctlv(es_fd, IOCTL_ES_GETVIEWS, 2, 1, vecs);
+	debug_uint(ret);
+	debug_string("\n\r");
+	if(ret<0) return ret;
+	debug_string("Attempting to launch...\n\r");
+	vecs[0].data = &xtitleID;
+	vecs[0].len = 8;
+	vecs[1].data = tikviews;
+	vecs[1].len = 0xd8;
+	ret = ios_ioctlvreboot(es_fd, IOCTL_ES_LAUNCH, 2, 0, vecs);
+	if(ret < 0) {
+		debug_string("Launch failed: ");
+		debug_uint(ret);
+		debug_string("\r\n");
+	}
+	return ret;
+}
+
+s32 IOS_GetVersion()
+{
+	u32 vercode;
+	u16 version;
+	DCInvalidateRange((void*)0x80003140,8);
+	vercode = *((u32*)0x80003140);
+	version = vercode >> 16;
+	if(version == 0) return -1;
+	if(version > 0xff) return -1;
+	return version;
+}
+
+void printversion(void) {
+	debug_string("IOS version: ");
+	debug_uint(IOS_GetVersion());
+	debug_string("\n\r");
+}
+
+int es_init(void) {
+	debug_string("Opening /dev/es: ");
+	es_fd = ios_open("/dev/es", 0);
+	debug_uint(es_fd);
+	debug_string("\n\r");
+	return es_fd;
+}
+
+
+void _main (void) {
+		int iosver;
+		u64 titleID = MY_TITLEID;
+		
+        debug_string("\n\rHomebrew Channel stub code\n\r");
+		
+		if(*conf_magic == STUB_MAGIC) titleID = *conf_titleID;
+			
+		reset_ios();
+
+		if(es_init() < 0) goto fail;
+
+		iosver = STUB_LOAD_IOS_VERSION;
+		if(iosver < 0)
+			iosver = 21; //bah
+		printversion();
+		debug_string("\n\rReloading IOS...\n\r");
+		LaunchTitle(0x0000000100000000LL | iosver);
+		printversion();
+
+		if(es_init() < 0) goto fail;
+		debug_string("\n\rLoading requested channel...\n\r");
+		LaunchTitle(titleID);
+		// if fail, try system menu
+		debug_string("\n\rChannel load failed, trying with system menu...\n\r");
+		LaunchTitle(0x0000000100000002LL);
+		printversion();
+
+fail:
+		debug_string("FAILURE\n\r");
+		while(1);
+}
+