検証用srl破壊ツール

git-svn-id: file:///Users/lillianskinner/Downloads/platinum/twl/TwlIPL/trunk@2271 b08762b0-b915-fc4b-9d8c-17b2551a87ff

build/tools/Makefile

@@ -23,6 +23,7 @@ include	$(TWL_IPL_RED_ROOT)/build/buildtools/commondefs
 
 SUBDIRS		= \
 		  attach_dummyromheader \
+		  rombreaker \
 
 
 #----------------------------------------------------------------------------

build/tools/rombreaker/Makefile

@@ -0,0 +1,55 @@
+#! make -f
+#---------------------------------------------------------------------------
+#  Project:  TwlSDK - dummyromheader - 
+#  File:     Makefile
+#
+#  Copyright 2007 Nintendo.  All rights reserved.
+#
+#  These coded instructions, statements, and computer programs contain
+#  proprietary information of Nintendo of America Inc. and/or Nintendo
+#  Company Ltd., and are protected by Federal copyright law.  They may
+#  not be disclosed to third parties or copied or duplicated in any form,
+#  in whole or in part, without the prior written consent of Nintendo.
+#
+#  $Date:: 
+#  $Rev: 
+#  $Author: 
+#---------------------------------------------------------------------------
+
+
+#----------------------------------------------------------------------------
+
+#----------------------------------------------------------------------------
+
+TARGET_FIRM			=	SYSTEMMENU
+
+include	$(TWL_IPL_RED_ROOT)/build/buildtools/commondefs
+
+#----------------------------------------------------------------------------
+
+TARGETS			= rombreaker.exe
+
+
+SOURCES			= rombreaker.c
+
+OBJECTS			= $(SOURCES:.c=.o)
+
+
+LDIRT_CLEAN		= $(OBJECTS) $(TARGETS)
+INSTALL_TARGETS		= $(TARGETS)
+INSTALL_DIR		= $(SYSMENU_TOOLSDIR)/bin
+
+
+include $(TWLSDK_ROOT)/build/buildtools/twl/modulerules.x86
+
+#----------------------------------------------------------------------------
+#  build
+#----------------------------------------------------------------------------
+do-build: $(TARGETS)
+
+$(TARGETS): $(OBJECTS)
+	 $(CC_X86) $+ -o $@
+
+
+
+#===== End of Makefile =====

build/tools/rombreaker/misc.h

@@ -0,0 +1,23 @@
+#ifndef	MISC_H_
+#define	MISC_H_
+#include	<time.h>
+
+typedef enum
+{
+    FALSE = 0,
+    TRUE = 1
+}
+BOOL;
+
+typedef unsigned char u8;
+typedef unsigned short int u16;
+typedef unsigned long int u32;
+typedef unsigned long long u64;
+
+typedef signed char s8;
+typedef signed short int s16;
+typedef signed long int s32;
+typedef signed long long s64;
+
+#endif //MISC_H_
+

build/tools/rombreaker/rombreaker.c

@@ -0,0 +1,168 @@
+/*---------------------------------------------------------------------------*
+  Project:  TwlIPL - tools - rombreaker
+  File:     rombreaker.c
+
+  Copyright 2008 Nintendo.  All rights reserved.
+
+  These coded instructions, statements, and computer programs contain
+  proprietary information of Nintendo of America Inc. and/or Nintendo
+  Company Ltd., and are protected by Federal copyright law.  They may
+  not be disclosed to third parties or copied or duplicated in any form,
+  in whole or in part, without the prior written consent of Nintendo.
+
+  $Date::
+  $Rev:
+  $Author:
+ *---------------------------------------------------------------------------*/
+ 
+/*
+  コマンドライン引数で指定されたROMファイルを読み込む。
+  破壊オプションで指定された領域をできるだけ安全に破壊する。
+*/
+
+#include <unistd.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <getopt.h>
+#include "misc.h"
+#include <twl/os/common/format_rom.h>
+
+/*
+  rombreaker.exe -i input.srl -o output.srl -b HEADER
+*/
+
+static ROM_Header_Short *rom_header_short;
+
+#define MATH_ROUNDUP(x, base)   (((x) + ((base)-1)) & ~((base)-1))
+
+// 1MBぐらいずつ
+#define FILE_READ_BUFFER_LENGTH ( 1 * 1024 * 1024 )
+
+int main(int argc, char *argv[])
+{
+  char   *inFile = NULL;
+  char   *outFile = NULL;
+  char   *breakOpt = NULL;
+  FILE   *in_fp;
+  FILE   *out_fp;
+  int     n;
+  int read_size;
+  unsigned char file_read_buffer[FILE_READ_BUFFER_LENGTH];
+  u32 breakoffset;
+  u32 fcounter;
+
+  while ((n = getopt(argc, argv, "hiob")) != -1) {
+    switch (n) {
+    case 'h':
+      printf("Usage:\n"
+             " %s -b breakopt -i inputfile -o outputfile\n"
+             "  -b HEADER/ARM9FLX/ARM9LTD/ARM7FLX/ARM7LTD ( BreakOption )\n"
+             "  -i XXXX ( input srl file )\n"
+             "  -o XXXX ( output srl file )\n\n",
+             argv[0]);
+      return 0;
+
+    case 'i':
+      inFile =        strdup( argv[optind] );
+      printf("input srl file = %s\n", inFile);
+      break;
+    case 'o':
+      outFile =        strdup( argv[optind] );
+      printf("output srl file = %s\n", outFile);
+      break;
+    case 'b':
+      breakOpt = strdup( argv[optind] );
+      printf("break opt = %s\n", breakOpt);
+      break;
+    default:
+      break;
+    }
+  }
+
+  if( inFile && outFile ) {
+    // 面倒なのでinとoutが同じ場合は対応しない（要望があれば対応）
+    if( strncmp( inFile, outFile, 256 ) == 0 )
+    {
+      fprintf(stderr,"Error:output is input.\n");
+      return -1;
+    }
+    if( NULL == (in_fp = fopen(inFile, "rb")) ) {
+      fprintf(stderr,"Error:input srl file open error %s\n",inFile);
+      return -1;
+    }
+    if( NULL == (out_fp = fopen(outFile, "wb+")) ) {
+      fprintf(stderr,"Error:output srl file open error %s\n",outFile);
+      return -1;
+    }
+  }
+  else {
+    fprintf(stderr,"Error:not specify input or output\n");
+    return -1;
+  }
+
+/*
+  FLXとLTDはできるだけコードに影響を与えないよう後ろから1バイト破壊。
+  HEADERは署名範囲内で誰も使っていない予約領域を1バイト破壊。
+*/
+
+  /* ROM Header情報取得 */
+  rom_header_short = (ROM_Header_Short *)file_read_buffer;
+  read_size = fread( (void *)rom_header_short, 1, sizeof(ROM_Header_Short), in_fp );
+  if( read_size != sizeof(ROM_Header_Short) )
+  {
+    fprintf(stderr,"Error:rom_header_short read error\n");
+    return -1;
+  }
+
+  if( strncmp( "HEADER", breakOpt, 7 ) == 0 )
+  {
+    breakoffset = 0x180 - 1;
+  }else if( strncmp( "ARM9FLX", breakOpt, 8 ) == 0 )
+  {
+    breakoffset = rom_header_short->main_rom_offset + rom_header_short->main_size - 1;
+  }else if( strncmp( "ARM9LTD", breakOpt, 8 ) == 0 )
+  {
+    breakoffset = rom_header_short->main_ltd_rom_offset + rom_header_short->main_ltd_size - 1;
+  }else if( strncmp( "ARM7FLX", breakOpt, 8 ) == 0 )
+  {
+    breakoffset = rom_header_short->sub_rom_offset + rom_header_short->sub_size - 1;
+  }else if( strncmp( "ARM7LTD", breakOpt, 8 ) == 0 )
+  {
+    breakoffset = rom_header_short->sub_ltd_rom_offset + rom_header_short->sub_ltd_size - 1;
+  }else
+  {
+    // 破壊オプション指定ミス
+    fprintf(stderr,"Error: invalid break opt %s\n",breakOpt);
+    return -1;
+  }
+  
+  // inputのファイルポインタを先頭に戻す（面倒なので）
+  fseek( in_fp, 0, SEEK_SET );
+
+  // 壊す場所を書き換えながらコピー
+  while( 1 ) {
+    read_size = fread((void *)file_read_buffer, 1, FILE_READ_BUFFER_LENGTH, in_fp);
+    if( read_size ) {
+      fcounter += read_size;
+      // 書き換え
+      if( fcounter > breakoffset )
+      {
+        file_read_buffer[ breakoffset - ( fcounter - read_size ) ] += 1; // 1足すだけで壊れる
+      }
+      if( read_size != fwrite((void *)&file_read_buffer, 1, read_size, out_fp) ) {
+        fprintf(stderr,"Error:file write error\n");
+        return -1;
+      }
+    }
+    else {
+      break;
+    }
+  }
+
+  fclose(in_fp);
+  fclose(out_fp);
+
+  printf("success!\n");
+  return 0;
+}