1 files changed, 338 insertions, 0 deletions

diff --git a/flash/make_firmware/make_firmware.c b/flash/make_firmware/make_firmware.c
new file mode 100644
index 0000000000..220db4e5f1
--- /dev/null
+++ b/flash/make_firmware/make_firmware.c
@@ -0,0 +1,338 @@
+/***************************************************************************
+ *             __________               __   ___.
+ *   Open      \______   \ ____   ____ |  | _\_ |__   _______  ___
+ *   Source     |       _//  _ \_/ ___\|  |/ /| __ \ /  _ \  \/  /
+ *   Jukebox    |    |   (  <_> )  \___|    < | \_\ (  <_> > <  <
+ *   Firmware   |____|_  /\____/ \___  >__|_ \|___  /\____/__/\_ \
+ *                     \/            \/     \/    \/            \/
+ * $Id$
+ *
+ * Copyright (C) 2003 by Jörg Hohensohn 
+ * 
+ * Autoring tool for the firmware image to be programmed into Flash ROM
+ * It composes the flash content with header, bootloader and image(s)
+ *
+ * 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>
+#include <string.h>
+
+#define UINT8 unsigned char
+#define UINT16 unsigned short
+#define UINT32 unsigned long
+#define BOOL int
+#define TRUE 1
+#define FALSE 0
+
+// size of one flash sector, the granularity with which it can be erased
+#define SECTORSIZE 4096 
+
+#define BOOTLOAD_DEST 0x0FFFF500 // for the "normal" one
+#define BOOTLOAD_SCR 0x02000100
+#define ROCKBOX_DEST 0x09000000
+#define ROCKBOX_EXEC 0x09000200
+
+
+// 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;
+}
+
+
+UINT32 CalcCRC32 (const UINT8* buf, UINT32 len) 
+{ 
+        static const UINT32 crc_table[256] = 
+        {       // CRC32 lookup table for polynomial 0x04C11DB7
+                0x00000000, 0x04C11DB7, 0x09823B6E, 0x0D4326D9, 0x130476DC, 0x17C56B6B, 
+                0x1A864DB2, 0x1E475005, 0x2608EDB8, 0x22C9F00F, 0x2F8AD6D6, 0x2B4BCB61, 
+                0x350C9B64, 0x31CD86D3, 0x3C8EA00A, 0x384FBDBD, 0x4C11DB70, 0x48D0C6C7, 
+                0x4593E01E, 0x4152FDA9, 0x5F15ADAC, 0x5BD4B01B, 0x569796C2, 0x52568B75, 
+                0x6A1936C8, 0x6ED82B7F, 0x639B0DA6, 0x675A1011, 0x791D4014, 0x7DDC5DA3, 
+                0x709F7B7A, 0x745E66CD, 0x9823B6E0, 0x9CE2AB57, 0x91A18D8E, 0x95609039, 
+                0x8B27C03C, 0x8FE6DD8B, 0x82A5FB52, 0x8664E6E5, 0xBE2B5B58, 0xBAEA46EF, 
+                0xB7A96036, 0xB3687D81, 0xAD2F2D84, 0xA9EE3033, 0xA4AD16EA, 0xA06C0B5D, 
+                0xD4326D90, 0xD0F37027, 0xDDB056FE, 0xD9714B49, 0xC7361B4C, 0xC3F706FB, 
+                0xCEB42022, 0xCA753D95, 0xF23A8028, 0xF6FB9D9F, 0xFBB8BB46, 0xFF79A6F1, 
+                0xE13EF6F4, 0xE5FFEB43, 0xE8BCCD9A, 0xEC7DD02D, 0x34867077, 0x30476DC0, 
+                0x3D044B19, 0x39C556AE, 0x278206AB, 0x23431B1C, 0x2E003DC5, 0x2AC12072, 
+                0x128E9DCF, 0x164F8078, 0x1B0CA6A1, 0x1FCDBB16, 0x018AEB13, 0x054BF6A4, 
+                0x0808D07D, 0x0CC9CDCA, 0x7897AB07, 0x7C56B6B0, 0x71159069, 0x75D48DDE, 
+                0x6B93DDDB, 0x6F52C06C, 0x6211E6B5, 0x66D0FB02, 0x5E9F46BF, 0x5A5E5B08, 
+                0x571D7DD1, 0x53DC6066, 0x4D9B3063, 0x495A2DD4, 0x44190B0D, 0x40D816BA, 
+                0xACA5C697, 0xA864DB20, 0xA527FDF9, 0xA1E6E04E, 0xBFA1B04B, 0xBB60ADFC, 
+                0xB6238B25, 0xB2E29692, 0x8AAD2B2F, 0x8E6C3698, 0x832F1041, 0x87EE0DF6, 
+                0x99A95DF3, 0x9D684044, 0x902B669D, 0x94EA7B2A, 0xE0B41DE7, 0xE4750050, 
+                0xE9362689, 0xEDF73B3E, 0xF3B06B3B, 0xF771768C, 0xFA325055, 0xFEF34DE2, 
+                0xC6BCF05F, 0xC27DEDE8, 0xCF3ECB31, 0xCBFFD686, 0xD5B88683, 0xD1799B34, 
+                0xDC3ABDED, 0xD8FBA05A, 0x690CE0EE, 0x6DCDFD59, 0x608EDB80, 0x644FC637, 
+                0x7A089632, 0x7EC98B85, 0x738AAD5C, 0x774BB0EB, 0x4F040D56, 0x4BC510E1, 
+                0x46863638, 0x42472B8F, 0x5C007B8A, 0x58C1663D, 0x558240E4, 0x51435D53, 
+                0x251D3B9E, 0x21DC2629, 0x2C9F00F0, 0x285E1D47, 0x36194D42, 0x32D850F5, 
+                0x3F9B762C, 0x3B5A6B9B, 0x0315D626, 0x07D4CB91, 0x0A97ED48, 0x0E56F0FF, 
+                0x1011A0FA, 0x14D0BD4D, 0x19939B94, 0x1D528623, 0xF12F560E, 0xF5EE4BB9, 
+                0xF8AD6D60, 0xFC6C70D7, 0xE22B20D2, 0xE6EA3D65, 0xEBA91BBC, 0xEF68060B, 
+                0xD727BBB6, 0xD3E6A601, 0xDEA580D8, 0xDA649D6F, 0xC423CD6A, 0xC0E2D0DD, 
+                0xCDA1F604, 0xC960EBB3, 0xBD3E8D7E, 0xB9FF90C9, 0xB4BCB610, 0xB07DABA7, 
+                0xAE3AFBA2, 0xAAFBE615, 0xA7B8C0CC, 0xA379DD7B, 0x9B3660C6, 0x9FF77D71, 
+                0x92B45BA8, 0x9675461F, 0x8832161A, 0x8CF30BAD, 0x81B02D74, 0x857130C3, 
+                0x5D8A9099, 0x594B8D2E, 0x5408ABF7, 0x50C9B640, 0x4E8EE645, 0x4A4FFBF2, 
+                0x470CDD2B, 0x43CDC09C, 0x7B827D21, 0x7F436096, 0x7200464F, 0x76C15BF8, 
+                0x68860BFD, 0x6C47164A, 0x61043093, 0x65C52D24, 0x119B4BE9, 0x155A565E, 
+                0x18197087, 0x1CD86D30, 0x029F3D35, 0x065E2082, 0x0B1D065B, 0x0FDC1BEC, 
+                0x3793A651, 0x3352BBE6, 0x3E119D3F, 0x3AD08088, 0x2497D08D, 0x2056CD3A, 
+                0x2D15EBE3, 0x29D4F654, 0xC5A92679, 0xC1683BCE, 0xCC2B1D17, 0xC8EA00A0, 
+                0xD6AD50A5, 0xD26C4D12, 0xDF2F6BCB, 0xDBEE767C, 0xE3A1CBC1, 0xE760D676, 
+                0xEA23F0AF, 0xEEE2ED18, 0xF0A5BD1D, 0xF464A0AA, 0xF9278673, 0xFDE69BC4, 
+                0x89B8FD09, 0x8D79E0BE, 0x803AC667, 0x84FBDBD0, 0x9ABC8BD5, 0x9E7D9662, 
+                0x933EB0BB, 0x97FFAD0C, 0xAFB010B1, 0xAB710D06, 0xA6322BDF, 0xA2F33668, 
+                0xBCB4666D, 0xB8757BDA, 0xB5365D03, 0xB1F740B4 
+        };
+        UINT32 i;
+        UINT32 crc = 0xffffffff;
+
+        for (i = 0; i < len; i++)
+                crc = (crc << 8) ^ crc_table[((crc >> 24) ^ *buf++) & 0xFF];
+
+        return crc; 
+} 
+
+
+UINT32 PlaceImage(char* filename, UINT32 pos, UINT8* pFirmware, UINT32 limit)
+{
+        UINT32 size, read;
+        FILE* pFile;
+        UINT32 align;
+        UINT32 flags;
+
+        // magic file header for compressed files
+        static const UINT8 magic[8] = { 0x00,0xe9,0x55,0x43,0x4c,0xff,0x01,0x1a };
+        UINT8 ucl_header[26];
+
+        pFile = fopen(filename, "rb"); // open the current image
+        if (pFile == NULL)
+        {
+                printf("Image file %s not found!\n", filename);
+                exit(5);
+        }
+
+        fseek(pFile, 0, SEEK_END);
+        size = ftell(pFile);
+        fseek(pFile, 0, SEEK_SET);
+
+        // determine if compressed
+        flags = 0x00000000; // default: flags for uncompressed
+        fread(ucl_header, 1, sizeof(ucl_header), pFile);
+        if (memcmp(magic, ucl_header, sizeof(magic)) == 0)
+        {
+                if (ucl_header[12] != 0x2E) // check algorithm
+                {
+                        printf("UCL compressed files must use algorithm 2e, not %d\n", ucl_header[12]);
+                        printf("Generate with: uclpack --best --2e rockbox.bin %s\n", filename);
+                        exit(6);
+                }
+                
+                size = Read32(ucl_header + 22); // compressed size
+                if (Read32(ucl_header + 18) > size) // compare with uncompressed size
+                {       // normal case
+                        flags = 0x00000001; // flags for UCL compressed
+                }
+        }
+        else
+        {
+                fseek(pFile, 0, SEEK_SET); // go back
+        }
+
+        if (pos + 16 + size > limit) // enough space for all that?
+        {
+                printf("Exceeding maximum image size %d\n", limit);
+                exit(7);
+        }
+        
+        // write header
+        align = (pos + 16 + size + SECTORSIZE-1) & ~(SECTORSIZE-1); // round up to next flash sector
+        Write32(pFirmware + pos, ROCKBOX_DEST); // load address
+        Write32(pFirmware + pos + 4, align - (pos + 16)); // image size
+        Write32(pFirmware + pos + 8, ROCKBOX_EXEC); // execution address
+        Write32(pFirmware + pos + 12, flags); // compressed or not
+        pos += 16;
+
+        // load image
+        read = fread(pFirmware + pos, 1, size, pFile);
+        if (read != size)
+        {
+                printf("Read error, expecting %d bytes, got only %d\n", size, read);
+                exit(8);
+        }
+        fclose (pFile);
+
+        pos += size;
+
+        return pos;
+}
+
+
+int main(int argc, char* argv[])
+{
+        static UINT8 aFirmware[512*1024]; // maximum with exchanged chip
+        FILE* pFile;
+        UINT32 size; // size of loaded item
+        UINT32 pos; // current position in firmware
+        UINT32 crc32; // checksum of "payload"
+        BOOL hasBootRom; // flag if regular boot ROM or directly starts from flash
+        UINT32 template_F8, template_FC; // my platform ID, mask and version
+
+        int i;
+        
+        if (argc <= 4)
+        {
+                printf("Usage:\n");
+                printf("make_firmware <output> <template.bin> <bootloader.ajz> <image1.ucl> {image2.ucl}\n");
+                printf("<template.bin> is the original firmware from your box\n");
+                printf("<bootloader.ajz> is the scrambled bootloader\n");
+                printf("<image1.ucl> is the first image, compressed (recommended) or uncompressed\n");
+                printf("<image1.ucl> is the second image, compressed (recommended) or uncompressed\n");
+                printf("More images may follow, but keep the flash size in mind!\n");
+                printf("Compression must be UCL, algorithm 2e.\n");
+                printf("Generated with: uclpack --best --2e rockbox.bin imageN.ucl\n");
+                exit(0);
+        }
+        
+        memset(aFirmware, 0xFF, sizeof(aFirmware));
+        
+        /******* process template *******/
+        
+        pFile = fopen(argv[2], "rb"); // open the template
+        if (pFile == NULL)
+        {
+                printf("Template file %s not found!\n", argv[2]);
+                exit(1);
+        }
+        size = fread(aFirmware, 1, 256, pFile); // need only the header
+        fclose(pFile);
+        if (size < 256) // need at least the firmware header
+        {
+                printf("Template file %s too small, need at least the header!\n", argv[2]);
+                exit(2);
+        }
+
+        if (strncmp(aFirmware, "ARCH", 4) == 0)
+        {
+                hasBootRom = TRUE;
+                pos = 256; // place bootloader after this "boot block"
+        }
+        else if (Read32(aFirmware) == 0x0200)
+        {
+                hasBootRom = FALSE;
+                pos = 0; // directly start with the bootloader
+                template_F8 = Read32(aFirmware + 0xF8); // my platform ID and future info
+                template_FC = Read32(aFirmware + 0xFC); // use mask+version from template
+        }
+        else
+        {
+                printf("Template file %s invalid!\n", argv[2]);
+                exit(3);
+        }
+        
+        /******* process bootloader *******/
+
+        pFile = fopen(argv[3], "rb"); // open the bootloader
+        if (pFile == NULL)
+        {
+                printf("Bootloader file %s not found!\n", argv[3]);
+                exit(4);
+        }
+        if (hasBootRom && fseek(pFile, 6, SEEK_SET)) // skip the ajz header
+        {
+                printf("Bootloader file %s too short!\n", argv[3]);
+                exit(5);
+        }
+
+        // place bootloader after header
+        size = fread(aFirmware + pos, 1, sizeof(aFirmware) - pos, pFile);
+        fclose(pFile);
+
+        if (hasBootRom)
+        {
+                Write32(aFirmware + 4, BOOTLOAD_DEST); // boot code destination address
+                
+                for (i=0x08; i<=0x28; i+=8)
+                {
+                        Write32(aFirmware + i, BOOTLOAD_SCR); // boot code source address
+                        Write32(aFirmware + i + 4, size); // boot code size
+                }
+        }
+        else
+        {
+                Write32(aFirmware + 0xF8, template_F8); // values from template
+                Write32(aFirmware + 0xFC, template_FC); // mask and version
+        }
+
+        size = (size + 3) & ~3; // make shure it's 32 bit aligned
+        pos += size; // prepare position for first image
+
+        /******* process images *******/
+        for (i = 4; i < argc; i++)
+        {
+                pos = PlaceImage(argv[i], pos, aFirmware, sizeof(aFirmware));
+
+                if (i < argc-1)
+                {       // not the last: round up to next flash sector
+                        pos = (pos + SECTORSIZE-1) & ~(SECTORSIZE-1);
+                }
+        }
+        
+
+        /******* append CRC32 checksum *******/
+        crc32 = CalcCRC32(aFirmware, pos);
+        Write32(aFirmware + pos, crc32);
+        pos += sizeof(crc32); // 4 bytes
+        
+        
+        /******* save result to output file *******/
+
+        pFile = fopen(argv[1], "wb"); // open the output file
+        if (pFile == NULL)
+        {
+                printf("Output file %s cannot be created!\n", argv[1]);
+                exit(9);
+        }
+        size = fwrite(aFirmware, 1, pos, pFile);
+        fclose(pFile);
+        
+        if (size != pos)
+        {
+                printf("Error writing %d bytes to output file %s!\n", pos, argv[1]);
+                exit(10);
+        }
+
+        printf("Firmware file generated with %d bytes.\n", pos);
+
+        return 0;
+}