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now can compose images with ROMbox, too

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git-svn-id: svn://svn.rockbox.org/rockbox/trunk@5509 a1c6a512-1295-4272-9138-f99709370657
This commit is contained in:
Jörg Hohensohn 2004-12-23 20:15:13 +00:00
parent e432b4d2c3
commit 431be7f597
1 changed files with 15 additions and 3 deletions
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18
flash/make_firmware/make_firmware.c
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@ -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;