Analog Devices VisualDSP++ 3.5 Manual page 68

Blackfin Processor Booting
10-Byte Header for Count
4-Byte Count for 1st DXE
1st DXE Application
10-Byte Header for Count
4-Byte Count for 2nd DXE
2nd DXE Application
10-Byte Header for Count
4-Byte Count for 3rd DXE
3rd DXE Application
10-Byte Header for Count
4-Byte Count for 4th DXE
.......................
.......................
Figure 2-13. ADSP-BF531/BF32/BF33/BF561: Multi-Application Booting
2. Use the initialization block switch,
name" is the name of the executable file containing the init code.
This option allows you to change the external memory pointer and
boot a specific
A sample initialization code is included in
registers are used as external memory pointers by the on-chip
R3
boot ROM. The
SPI memory boot. Within the initialization block code, change the
value of
the specific application code starts. After the processor returns
from the initialization block code to the on-chip boot ROM, the
on-chip boot ROM continues to boot in bytes from the location
specified in the
2-38
via the on-chip boot ROM.
.DXE
register is for Flash/PROM boot, and
R0
or to point to the external memory location at which
R0 R3
or register.
R0 R3
10-Byte H eader for Block 1
Block 1
10-Byte H eader for Block 2
Block 2
10-Byte H eader for Block 3
Block 3
........................
"-init filename", where "file-
Listing 2-2. The
VisualDSP++ Loader Manual
for 16-Bit Processors
and
R0
is for
R3