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VisualDSP++ 4.5 Loader and Utilities Manual - Analog Devices

VisualDSP++ 4.5 Loader and Utilities Manual - Analog Devices

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Blackfin Processor <strong>Loader</strong> Guide<br />

To create a loader file which includes a second-stage loader:<br />

� For<br />

1. Select Options (under Load) to set up base load options (see<br />

“Using Base <strong>Loader</strong>” on page 2-73).<br />

2. Select Kernel (under Load) to set up the second-stage loader<br />

options (Figure 2-40).<br />

3. On the Kernel page, select Use boot kernel.<br />

4. In Kernel file, enter the name of the second-stage loader file<br />

(.dxe).<br />

The Use default kernel option is available for ADSP-BF535 <strong>and</strong><br />

grayed out for ADSP-BF531/BF532/BF533/<br />

BF534/BF536/BF537/BF538/BF539/BF561/BF566 processors. In<br />

case of an ADSP-BF535 processor, choose between the default or<br />

user second-stage loader file. The following default second-stage<br />

loaders are currently available for the ADSP-BF535 processor.<br />

Boot Mode Second -Stage <strong>Loader</strong> File<br />

8-bit flash/PROM 535_prom8.dxe<br />

16-bit flash/PROM 535_prom16.dxe<br />

SPI 535_spi.dxe<br />

ADSP-BF531/BF532/BF533/BF534/ BF536/BF537/BF538<br />

/BF539/BF561/BF566 processors, no second-stage loaders are<br />

required; hence, no default kernel files are provided. You can<br />

supply your own second-stage loader file if so desired (steps 3, 4).<br />

5. To produce two output files, select the Output kernel in separate<br />

file check box. This option allows to boot the second-stage loader<br />

with an initialization code (if any) from one source <strong>and</strong> the application<br />

code from another source. You can specify the kernel output<br />

file options, such as the Boot Mode (source), Boot Format, <strong>and</strong><br />

Output Width.<br />

2-78 <strong>VisualDSP++</strong> <strong>4.5</strong> <strong>Loader</strong> <strong>and</strong> <strong>Utilities</strong> <strong>Manual</strong>

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