VisualDSP++ 4.5 Loader and Utilities Manual - Analog Devices

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ADSP-2126x/2136x/2137x Processor Booting FLASH MEMORY BOOT KERNEL DECOMPRESSION ENGINE COMPRESSED STREAM UNCOMPRESSED STREAM FINAL BLOCK 1 2 Figure 5-8. ADSP-2126x/2136x/2137x Compressed Loader Stream: Booting Sequence 5. The uncompressed stream is brought and loaded into memory, possibly to overwrite the memory spaces taken by the compressed code. 6. The final block is brought and loaded into the memory to overwrite the memory spaces taken by the boot kernel. Decompression Kernel File 3 4 5 6 PROCESSOR MEMORY As stated before, a decompression kernel .dxe file must be used when building a loader file with compressed streams. The decompression kernel file has a built-in decompression engine to decompress the compressed streams from the loader file. A decompression kernel file can be specified from the loader property page or from the command line via the -l userkernel switch. VisualDSP++ includes the default decompression kernel files, which the loader utility 5-40 VisualDSP++ 4.5 Loader and Utilities Manual
Loader for ADSP-2126x/2136x/2137x SHARC Processors uses if no other kernel file is specified. If building a custom decompression kernel, ensure that you use the same decompression function, and use the same compression window size for both the kernel and the loader utility. The default decompression kernel files are stored in the …\2126x\ldr\zlib and …\2136x\ldr\zlib subdirectories of the VisualDSP++ installation directory. The loader utility uses the window size of 9 bits to perform the compression operation. The compression window size can be changed through the loader property page or the -compressWS # command-line switch. The valid range for the window size is from 8 to 15 bits. ADSP-2126x/2136x/2137x Processor Loader Guide Loader operations depend on the loader options, which control how the loader utility processes executable files. You select features such as boot modes, boot kernels, and output file formats via the loader options. These options are specified on the loader utility’s command line or via the Load page of the Project Options dialog box in the VisualDSP++ environment. The Load page consists of multiple panes. For information specific to the ADSP-2126x/2136x/2137x processor, refer to the VisualDSP++ online help for that processor. When you open the Load page, the default loader settings for the selected processor are already set. Use the Additional Options box to enter options that have no dialog box equivalent. � Option settings on the Load page correspond to switches displayed on the command line. These sections describe how to produce a bootable loader file (.ldr): “Using ADSP-2126x/2136x/2137x Loader Command Line” on page 5-42 “Using VisualDSP++ Interface (Load Page)” on page 5-49 VisualDSP++ 4.5 Loader and Utilities Manual 5-41
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Analog Devices, Inc. One Technology
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CONTENTS PREFACE Purpose of This Ma
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CONTENTS Loader Files Without a Sec
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CONTENTS ADSP-BF535 and ADSP-BF531/
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Contents File Extensions ..........
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Contents Boot Type Selection ......
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PREFACE Thank you for purchasing Vi
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Technical or Customer Support Prefa
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ADSP-21367 ADSP-21368 ADSP21369 ADS
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Preface VisualDSP++ 4.5 C/C++ Compi
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VisualDSP++ Documentation Set Prefa
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1 INTRODUCTION The majority of this
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Loader Command Line Introduction If
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Initialization Code Introduction In
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A brief description of each phase f
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Introduction Download the loadable
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Introduction You can run the loader
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PROM Boot Mode Introduction After r
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Boot Streams Introduction The loade
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2 LOADER/SPLITTER FOR BLACKFIN PROC
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Loader/Splitter for Blackfin Proces
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System Reset Configuration Register
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D7 OUTPUT .LDR FILE 4-BYTE HEADER F
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Second-Stage Loader Restrictions Lo
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SPI Memory Detection Routine Loader
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P0.H = HI(EBIU_SDRRC); R0 = 0x074A(
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� Booting � SDRAM ADSP-BF536 pr
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1-0-Byte Block Header Block Data Lo
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� The Core B Loader/Splitter for
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INITIALIZATION CODE (KERNEL WITH DE
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FLASH MEMORY INIT CODE HEADER INIT
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where: � Command-line File Search
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Blackfin Loader Command-Line Switch
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Using Base Loader Loader/Splitter f
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Table 2-11. Base Load Page Settings
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Using Second-Stage Loader Loader/Sp
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3 LOADER FOR ADSP-2106X/21160 SHARC
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Loader for ADSP-2106x/21160 SHARC P
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Boot Mode Selection Loader for ADSP
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File Searches Loader for ADSP-2106x
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-si-revision #|none|any Loader for
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4 LOADER FOR ADSP-21161 SHARC PROCE
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Loader for ADSP-21161 SHARC Process
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ADSP-21161 Processor Boot Streams L
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To Modify a Boot Kernel Source File
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Page 175 and 176: Processor ID Numbers Loader for ADS
Page 179 and 180: File Searches Loader for ADSP-21161
Page 185 and 186: 5 LOADER FOR ADSP-2126X/2136X/2137X
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Page 227 and 228: File Searches Loader for ADSP-2126x
Page 235 and 236: 6 LOADER FOR TIGERSHARC PROCESSORS
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Page 239 and 240: Boot Kernel Modification Loader for
Page 241 and 242: Loader for TigerSHARC Processors el
Page 243 and 244: TigerSHARC Command-Line Switches Lo
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Page 247 and 248: 7 SPLITTER FOR SHARC AND TIGERSHARC
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Page 257 and 258: A FILE FORMATS VisualDSP++ developm
Page 259 and 260: Assembly Source Files File Formats
Page 261 and 262: Build Files File Formats Build file
Page 263 and 264: Memory Map Files File Formats The l
Page 265 and 266: Table A-4. End-of-File Record Examp
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Page 269 and 270: Table A-7. S1 Termination Record Ex
Page 271 and 272: File Formats A block of data record
Page 273 and 274: Table A-9. SPORT Data File Example
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B UTILITIES The VisualDSP++ develop
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elf2flt - ELF to BFLT File Converte
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Table B-3. BFLT File Dumper Command
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I INDEX Numerics -64 splitter switc
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BMS pins ADSP-2106x/160 processors,
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data initialization files (.dat), A
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external memory (SHARC processors)
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initialization blocks (Blackfin pro
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loader file formats (ADSP-BF535 pro
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P -p # loader switch for Blackfin,
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shared memory Blackfin processors,
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V .VAR directive, A-3 vector addres
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VisualDSP++ 4.5 Loader and Utilities Manual - Analog Devices

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