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Update fiasco documentation

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Pali Rohár committed 2012-07-14 09:22:47 +02:00
1 parent 8301455a5b
commit f62628bf29
1 file changed
+11 -11
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doc/fiasco
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@@ -16,12 +16,12 @@ FILE HEADER
FW HEADER
4 bytes -- count of blocks (big endian)
4 bytes -- number of FW header blocks (big endian)
block {
1 byte -- type of block
0xE8 - header
0xE8 - Fiasco name
0x31 - FW name
1 byte -- length of data
1 byte -- length of block data
N bytes -- block data
}
@@ -29,21 +29,21 @@ FW HEADER
IMAGE
1 byte = 0x54 -- signature
1 byte -- number of subsections + 1
1 byte -- number of subsection blocks + 1
5 bytes -- unknown (always 0x2e 0x19 0x01 0x01 0x00)
2 bytes -- checksum for the image contents (xorpair)
12 bytes -- image name type (first byte is FF if is the last)
4 bytes -- image size (big endian)
2 bytes -- checksum for the image contents (xorpair) (big endian)
12 bytes -- image name type (first byte is FF if is the last image)
4 bytes -- length of image data (big endian)
4 bytes -- unknown (always 0x00 0x00 0x00 0x00)
block {
1 byte -- type of subsection
1 byte -- type of subsection block
'1' - version
'2' - device & hw revisions (separated by char 0, max size of device is 16, hw revision 8)
'2' - device & hw revisions (separated by char 0x00, max size of device is 16, hw revision 8)
'3' - layout
'4' - unknown
'/' - unknown
1 byte -- length of subsection
N bytes -- subsection data
1 byte -- length of subsection block
N bytes -- subsection block data
}
1 byte -- unknown (maybe end of subsections?)
N bytes -- image data