VisualDSP++ 4.5 Loader and Utilities Manual - Analog Devices

INITIALIZATION CODE
(KERNEL WITH DECOMPRESSION ENGINE)
1ST .dxe COMPRESSED STREAM
1ST .dxe UNCOMPRESSED STREAM
2ND .dxe COMPRESSED STREAM
2ND .dxe UNCOMPRESSED STREAM
. . .
. . .
Figure 2-33. Loader File with Compressed Streams
Loader/Splitter for Blackfin Processors
The Figure 2-34 illustrates the structure of a compressed block.
COMPRESSED BLOCK HEADER
COMPRESSED STREAM
Figure 2-34. Compressed Block
Compressed Block Headers
A compressed stream always has a header, followed by the payload compressed
stream. Figure 2-35 shows the structure of a compressed block
header.
16 BITS:
PADDED BYTE COUNT
OF COMPRESSED STREAM
Figure 2-35. Compressed Block Header
16 BITS:
SIZE OF USED COMPRESSION
WINDOW
32 BITS:
TOTAL BYTE COUNT OF THE COMPRESSED STREAM
INCLUDING PADDED BYTES
16 BITS:
COMPRESSED BLOCK FLAG WORD
VisualDSP++ 4.5 Loader and Utilities Manual 2-57