From 431be7f5977eba0521d44a8767230f6a55ec0c35 Mon Sep 17 00:00:00 2001 From: Jörg Hohensohn Date: Thu, 23 Dec 2004 20:15:13 +0000 Subject: now can compose images with ROMbox, too git-svn-id: svn://svn.rockbox.org/rockbox/trunk@5509 a1c6a512-1295-4272-9138-f99709370657 --- flash/make_firmware/make_firmware.c | 18 +++++++++++++++--- 1 file changed, 15 insertions(+), 3 deletions(-) diff --git a/flash/make_firmware/make_firmware.c b/flash/make_firmware/make_firmware.c index 220db4e5f1..ffc366fe5e 100644 --- a/flash/make_firmware/make_firmware.c +++ b/flash/make_firmware/make_firmware.c @@ -37,6 +37,7 @@ #define SECTORSIZE 4096 #define BOOTLOAD_DEST 0x0FFFF500 // for the "normal" one +#define FLASH_START 0x02000000 #define BOOTLOAD_SCR 0x02000100 #define ROCKBOX_DEST 0x09000000 #define ROCKBOX_EXEC 0x09000200 @@ -130,6 +131,7 @@ UINT32 PlaceImage(char* filename, UINT32 pos, UINT8* pFirmware, UINT32 limit) FILE* pFile; UINT32 align; UINT32 flags; + UINT32 load_addr = ROCKBOX_DEST, exec_addr = ROCKBOX_EXEC; // defaults // magic file header for compressed files static const UINT8 magic[8] = { 0x00,0xe9,0x55,0x43,0x4c,0xff,0x01,0x1a }; @@ -151,7 +153,8 @@ UINT32 PlaceImage(char* filename, UINT32 pos, UINT8* pFirmware, UINT32 limit) fread(ucl_header, 1, sizeof(ucl_header), pFile); if (memcmp(magic, ucl_header, sizeof(magic)) == 0) { - if (ucl_header[12] != 0x2E) // check algorithm + if (ucl_header[12] != 0x2E // check algorithm + && ucl_header[12] != 0x2B) // or uncompressed { 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); @@ -163,6 +166,15 @@ UINT32 PlaceImage(char* filename, UINT32 pos, UINT8* pFirmware, UINT32 limit) { // normal case flags = 0x00000001; // flags for UCL compressed } + + if (ucl_header[12] == 0x2B) // uncompressed means "ROMbox", for direct flash execution + { + UINT8 reset_vec[4]; + fread(reset_vec, 1, sizeof(reset_vec), pFile); // read the reset vector from image + fseek(pFile, 0-sizeof(reset_vec), SEEK_CUR); // wind back + load_addr = FLASH_START + pos + 16; // behind 16 byte header + exec_addr = Read32(reset_vec); + } } else { @@ -177,9 +189,9 @@ UINT32 PlaceImage(char* filename, UINT32 pos, UINT8* pFirmware, UINT32 limit) // 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, load_addr); // load address Write32(pFirmware + pos + 4, align - (pos + 16)); // image size - Write32(pFirmware + pos + 8, ROCKBOX_EXEC); // execution address + Write32(pFirmware + pos + 8, exec_addr); // execution address Write32(pFirmware + pos + 12, flags); // compressed or not pos += 16; -- cgit v1.2.3