Merge branch 'master' of github.com:tmzt/g2root-kmod

guhl/p7_soff/p7_s-off.c

@@ -0,0 +1,126 @@
+/*
+    Copyright (C) 2010  Guhl
+
+    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 3 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, see <http://www.gnu.org/licenses/>.
+ */
+
+#include <stdio.h>
+#include <stdlib.h>
+
+#define INFILE "/dev/block/mmcblk0p7"
+#define CPYFILE "/sdcard/mmcblk0p7.ori.img"
+#define OUTFILE "/dev/block/mmcblk0p7"
+
+int main(void) {
+	FILE *fdin, *fdout;
+	char ch;
+
+	fdin = fopen(INFILE, "rb");
+	if (fdin == NULL){
+		printf("Error opening input file.\n");
+		return -1;
+	}
+
+	fdout = fopen(CPYFILE, "wb");
+	if (fdout == NULL){
+		printf("Error opening copy file.\n");
+		return -1;
+	}
+
+//  create a copy of the partition
+	while(!feof(fdin)) {
+	    ch = fgetc(fdin);
+	    if(ferror(fdin)) {
+	      printf("Error reading input file.\n");
+	      exit(1);
+	    }
+	    if(!feof(fdin)) fputc(ch, fdout);
+	    if(ferror(fdout)) {
+	      printf("Error writing copy file.\n");
+	      exit(1);
+	    }
+	}
+	if(fclose(fdin)==EOF) {
+		printf("Error closing input file.\n");
+		exit(1);
+	}
+
+	if(fclose(fdout)==EOF) {
+		printf("Error closing copy file.\n");
+		exit(1);
+	}
+
+//  copy back and patch
+	long i;
+
+	fdin = fopen(CPYFILE, "rb");
+	if (fdin == NULL){
+		printf("Error opening copy file.\n");
+		return -1;
+	}
+
+	fdout = fopen(OUTFILE, "wb");
+	if (fdout == NULL){
+		printf("Error opening output file.\n");
+		return -1;
+	}
+
+	i = 0;
+
+	while(!feof(fdin)) {
+	    ch = fgetc(fdin);
+	    if(ferror(fdin)) {
+	      printf("Error reading copy file.\n");
+	      exit(1);
+	    }
+	    if (i==0xa00 || (i>0x80003 && i<0x807fc) || (i>=0x80800 && i<=0x82fff)){
+	    	ch = 0x00;
+	    } else if ((i>=0x200 && i<=0x207)) {
+	    	ch = 0x31;
+	    } else if (i==0x80000) {
+	    	ch = 0x78;
+	    } else if (i==0x80001) {
+	    	ch = 0x56;
+	    } else if (i==0x80002) {
+	    	ch = 0xF3;
+	    } else if (i==0x80003) {
+	    	ch = 0xC9;
+	    } else if (i==0x807fc) {
+	    	ch = 0x49;
+	    } else if (i==0x807fd) {
+	    	ch = 0x53;
+	    } else if (i==0x807fe) {
+	    	ch = 0xF4;
+	    } else if (i==0x807ff) {
+	    	ch = 0x7D;
+	    }
+		if(!feof(fdin)) fputc(ch, fdout);
+		if(ferror(fdout)) {
+		  printf("Error writing output file.\n");
+		  exit(1);
+		}
+		i++;
+	}
+	if(fclose(fdin)==EOF) {
+		printf("Error closing copy file.\n");
+		exit(1);
+	}
+
+	if(fclose(fdout)==EOF) {
+		printf("Error closing output file.\n");
+		exit(1);
+	}
+
+	return 0;
+}