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authorJörg Hohensohn <hohensoh@rockbox.org>2003-11-30 11:37:43 +0000
committerJörg Hohensohn <hohensoh@rockbox.org>2003-11-30 11:37:43 +0000
commit6a4e4c87c24455e18bbd77565cb3e993ee350618 (patch)
tree6f2ceac4da97aa63ff8deef939bd3cc2d56d3466 /flash/extract
parent014c4fa1f8d56850cfd504a90221c293e4a158f6 (diff)
downloadrockbox-6a4e4c87c24455e18bbd77565cb3e993ee350618.tar.gz
rockbox-6a4e4c87c24455e18bbd77565cb3e993ee350618.tar.bz2
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/README5
-rw-r--r--flash/extract/extract.c140
-rw-r--r--flash/extract/extract.dsp100
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 Jrg 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 Jrg 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