diff options
author | Jörg Hohensohn <hohensoh@rockbox.org> | 2003-11-30 11:37:43 +0000 |
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committer | Jörg Hohensohn <hohensoh@rockbox.org> | 2003-11-30 11:37:43 +0000 |
commit | 6a4e4c87c24455e18bbd77565cb3e993ee350618 (patch) | |
tree | 6f2ceac4da97aa63ff8deef939bd3cc2d56d3466 /flash/extract | |
parent | 014c4fa1f8d56850cfd504a90221c293e4a158f6 (diff) | |
download | rockbox-6a4e4c87c24455e18bbd77565cb3e993ee350618.tar.gz rockbox-6a4e4c87c24455e18bbd77565cb3e993ee350618.zip |
source code for all my flash stuff, now finally in cvs
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@4083 a1c6a512-1295-4272-9138-f99709370657
Diffstat (limited to 'flash/extract')
-rw-r--r-- | flash/extract/README | 5 | ||||
-rw-r--r-- | flash/extract/extract.c | 140 | ||||
-rw-r--r-- | flash/extract/extract.dsp | 100 |
3 files changed, 245 insertions, 0 deletions
diff --git a/flash/extract/README b/flash/extract/README new file mode 100644 index 0000000000..b66443aa34 --- /dev/null +++ b/flash/extract/README @@ -0,0 +1,5 @@ +(c) 2003 by Jörg Hohensohn + +This tool extracts the firmware image out of an original Archos ROM dump, +like created with the Rockbox debug->dump feature. +The extracted image can then be used to compose a dual-boot firmware. diff --git a/flash/extract/extract.c b/flash/extract/extract.c new file mode 100644 index 0000000000..31e223a546 --- /dev/null +++ b/flash/extract/extract.c @@ -0,0 +1,140 @@ +/*************************************************************************** + * __________ __ ___. + * Open \______ \ ____ ____ | | _\_ |__ _______ ___ + * Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ / + * Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < < + * Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \ + * \/ \/ \/ \/ \/ + * $Id$ + * + * Copyright (C) 2003 by Jörg Hohensohn + * + * Tool to extract the scrambled image out of an Archos flash ROM dump + * + * All files in this archive are subject to the GNU General Public License. + * See the file COPYING in the source tree root for full license agreement. + * + * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY + * KIND, either express or implied. + * + ****************************************************************************/ + +#include <stdio.h> +#include <stdlib.h> +#include <memory.h> + +#define UINT8 unsigned char +#define UINT16 unsigned short +#define UINT32 unsigned long + +#define IMAGE_HEADER 0x6000 // a 32 byte header in front of the software image +#define IMAGE_START 0x6020 // software image position in Flash + + +// place a 32 bit value into memory, big endian +void Write32(UINT8* pByte, UINT32 value) +{ + pByte[0] = (UINT8)(value >> 24); + pByte[1] = (UINT8)(value >> 16); + pByte[2] = (UINT8)(value >> 8); + pByte[3] = (UINT8)(value); +} + + +// read a 32 bit value from memory, big endian +UINT32 Read32(UINT8* pByte) +{ + UINT32 value = 0; + + value |= (UINT32)pByte[0] << 24; + value |= (UINT32)pByte[1] << 16; + value |= (UINT32)pByte[2] << 8; + value |= (UINT32)pByte[3]; + + return value; +} + + +// entry point +int main(int argc, char* argv[]) +{ + FILE* pInFile; + FILE* pOutFile; + UINT8 aHeader[6]; + UINT8 aImage[256*1024]; + UINT32 i; + UINT32 uiSize, uiStart; + UINT16 usChecksum = 0; + + if (argc < 2) + { + printf("Extract the software image out of an original Archos Flash ROM dump.\n"); + printf("Result is a scrambled file, use the descramble tool to get the binary,\n"); + printf(" always without the -fm option, even if processing an FM software.\n\n"); + printf("Usage: extract <flash dump file> <output file>\n"); + printf("Example: extract internal_rom_2000000-203FFFF.bin archos.ajz\n"); + exit(0); + } + + pInFile = fopen(argv[1], "rb"); + if (pInFile == NULL) + { + printf("Error opening input file %s\n", argv[1]); + exit(1); + } + + if (fread(aImage, 1, sizeof(aImage), pInFile) != sizeof(aImage)) + { + printf("Error reading input file %s, must be 256kB in size.\n", argv[1]); + fclose(pInFile); + exit(2); + } + fclose(pInFile); + + // find out about the type + uiStart = Read32(aImage + 8); + uiSize = Read32(aImage + 12); // booted ROM image + if (uiStart == 0x02000100 && uiSize > 20000) + { // Player has no loader, starts directly with the image + uiStart = 0x0100; + } + else + { // Recorder / FM / V2 Recorder + uiStart = IMAGE_START; + uiSize = Read32(aImage + IMAGE_HEADER + 4); // size record of header + } + + // sanity check + if (uiSize > sizeof(aImage) - uiStart || uiSize < 40000) + { + printf("Error: Impossible image size &d bytes.\n", uiSize); + exit(3); + } + + // generate checksum + for (i=0; i<uiSize; i++) + usChecksum += aImage[uiStart + i]; + + // make header + Write32(aHeader + 2, usChecksum); // checksum in 5th and 6th byte + Write32(aHeader, uiSize); // size in first 4 bytes + + pOutFile = fopen(argv[2], "wb"); + if (pOutFile == NULL) + { + printf("Error opening output file %s\n", argv[2]); + exit(4); + } + + if (fwrite(aHeader, 1, sizeof(aHeader), pOutFile) != sizeof(aHeader) + || fwrite(aImage + uiStart, 1, uiSize, pOutFile) != uiSize) + { + printf("Write error\n"); + fclose(pOutFile); + exit(5); + } + + fclose(pOutFile); + + return 0; +}
\ No newline at end of file diff --git a/flash/extract/extract.dsp b/flash/extract/extract.dsp new file mode 100644 index 0000000000..e10281a829 --- /dev/null +++ b/flash/extract/extract.dsp @@ -0,0 +1,100 @@ +# Microsoft Developer Studio Project File - Name="extract" - Package Owner=<4> +# Microsoft Developer Studio Generated Build File, Format Version 6.00 +# ** DO NOT EDIT ** + +# TARGTYPE "Win32 (x86) Console Application" 0x0103 + +CFG=extract - Win32 Debug +!MESSAGE This is not a valid makefile. To build this project using NMAKE, +!MESSAGE use the Export Makefile command and run +!MESSAGE +!MESSAGE NMAKE /f "extract.mak". +!MESSAGE +!MESSAGE You can specify a configuration when running NMAKE +!MESSAGE by defining the macro CFG on the command line. For example: +!MESSAGE +!MESSAGE NMAKE /f "extract.mak" CFG="extract - Win32 Debug" +!MESSAGE +!MESSAGE Possible choices for configuration are: +!MESSAGE +!MESSAGE "extract - Win32 Release" (based on "Win32 (x86) Console Application") +!MESSAGE "extract - Win32 Debug" (based on "Win32 (x86) Console Application") +!MESSAGE + +# Begin Project +# PROP AllowPerConfigDependencies 0 +# PROP Scc_ProjName "" +# PROP Scc_LocalPath "" +CPP=cl.exe +RSC=rc.exe + +!IF "$(CFG)" == "extract - Win32 Release" + +# PROP BASE Use_MFC 0 +# PROP BASE Use_Debug_Libraries 0 +# PROP BASE Output_Dir "Release" +# PROP BASE Intermediate_Dir "Release" +# PROP BASE Target_Dir "" +# PROP Use_MFC 0 +# PROP Use_Debug_Libraries 0 +# PROP Output_Dir "Release" +# PROP Intermediate_Dir "Release" +# PROP Target_Dir "" +# ADD BASE CPP /nologo /W3 /GX /O2 /D "WIN32" /D "NDEBUG" /D "_CONSOLE" /D "_MBCS" /YX /FD /c +# ADD CPP /nologo /W3 /GX /O2 /D "WIN32" /D "NDEBUG" /D "_CONSOLE" /D "_MBCS" /YX /FD /c +# ADD BASE RSC /l 0x407 /d "NDEBUG" +# ADD RSC /l 0x407 /d "NDEBUG" +BSC32=bscmake.exe +# ADD BASE BSC32 /nologo +# ADD BSC32 /nologo +LINK32=link.exe +# ADD BASE LINK32 kernel32.lib user32.lib gdi32.lib winspool.lib comdlg32.lib advapi32.lib shell32.lib ole32.lib oleaut32.lib uuid.lib odbc32.lib odbccp32.lib kernel32.lib user32.lib gdi32.lib winspool.lib comdlg32.lib advapi32.lib shell32.lib ole32.lib oleaut32.lib uuid.lib odbc32.lib odbccp32.lib /nologo /subsystem:console /machine:I386 +# ADD LINK32 kernel32.lib user32.lib gdi32.lib winspool.lib comdlg32.lib advapi32.lib shell32.lib ole32.lib oleaut32.lib uuid.lib odbc32.lib odbccp32.lib kernel32.lib user32.lib gdi32.lib winspool.lib comdlg32.lib advapi32.lib shell32.lib ole32.lib oleaut32.lib uuid.lib odbc32.lib odbccp32.lib /nologo /subsystem:console /machine:I386 + +!ELSEIF "$(CFG)" == "extract - Win32 Debug" + +# PROP BASE Use_MFC 0 +# PROP BASE Use_Debug_Libraries 1 +# PROP BASE Output_Dir "Debug" +# PROP BASE Intermediate_Dir "Debug" +# PROP BASE Target_Dir "" +# PROP Use_MFC 0 +# PROP Use_Debug_Libraries 1 +# PROP Output_Dir "Debug" +# PROP Intermediate_Dir "Debug" +# PROP Target_Dir "" +# ADD BASE CPP /nologo /W3 /Gm /GX /ZI /Od /D "WIN32" /D "_DEBUG" /D "_CONSOLE" /D "_MBCS" /YX /FD /GZ /c +# ADD CPP /nologo /W3 /Gm /GX /ZI /Od /D "WIN32" /D "_DEBUG" /D "_CONSOLE" /D "_MBCS" /YX /FD /GZ /c +# ADD BASE RSC /l 0x407 /d "_DEBUG" +# ADD RSC /l 0x407 /d "_DEBUG" +BSC32=bscmake.exe +# ADD BASE BSC32 /nologo +# ADD BSC32 /nologo +LINK32=link.exe +# ADD BASE LINK32 kernel32.lib user32.lib gdi32.lib winspool.lib comdlg32.lib advapi32.lib shell32.lib ole32.lib oleaut32.lib uuid.lib odbc32.lib odbccp32.lib kernel32.lib user32.lib gdi32.lib winspool.lib comdlg32.lib advapi32.lib shell32.lib ole32.lib oleaut32.lib uuid.lib odbc32.lib odbccp32.lib /nologo /subsystem:console /debug /machine:I386 /pdbtype:sept +# ADD LINK32 kernel32.lib user32.lib gdi32.lib winspool.lib comdlg32.lib advapi32.lib shell32.lib ole32.lib oleaut32.lib uuid.lib odbc32.lib odbccp32.lib kernel32.lib user32.lib gdi32.lib winspool.lib comdlg32.lib advapi32.lib shell32.lib ole32.lib oleaut32.lib uuid.lib odbc32.lib odbccp32.lib /nologo /subsystem:console /debug /machine:I386 /pdbtype:sept + +!ENDIF + +# Begin Target + +# Name "extract - Win32 Release" +# Name "extract - Win32 Debug" +# Begin Group "Source Files" + +# PROP Default_Filter "cpp;c;cxx;rc;def;r;odl;idl;hpj;bat" +# Begin Source File + +SOURCE=.\extract.c +# End Source File +# End Group +# Begin Group "Header Files" + +# PROP Default_Filter "h;hpp;hxx;hm;inl" +# End Group +# Begin Group "Resource Files" + +# PROP Default_Filter "ico;cur;bmp;dlg;rc2;rct;bin;rgs;gif;jpg;jpeg;jpe" +# End Group +# End Target +# End Project |