VisualDSP++ 4.5 Loader and Utilities Manual - Analog Devices

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Blackfin Processor Booting ADSP-BF535 Processor Second-Stage Loader The only situation where a second-stage loader is unnecessary is when the application code contains only one section starting at the beginning of L2 memory (0xF000 0000). A second-stage loader must be used in applications in which multiple segments reside in L2 memory or in L1 memory and/or SDRAM. In addition, a second-stage loader must be used to change the wait states or hold time cycles for a flash/PROM booting or to change the baud rate for an SPI boot (see “Blackfin Loader Command-Line Switches” on page 2-65 for more information on these features). When a second-stage loader is used for booting, the following sequence occurs. 1. Upon reset, the on-chip boot ROM downloads N bytes (the second-stage loader) from external memory to address 0xF000 0000 in L2 memory (Figure 2-3). Figure 2-3. ADSP-BF535 Processors: Booting With Second-Stage Loader 2-6 VisualDSP++ 4.5 Loader and Utilities Manual
Loader/Splitter for Blackfin Processors 2. The second-stage loader copies itself to the bottom of L2 memory. 0xEF00 0000 On-Chip Boot ROM ADSP-BF535 Processor L2 Memory (0xF000 0000) 2nd 2 Stage Loader or Application Code nd Stage Loader 2 nd Stage Loader PROM/Flash or SPI Device 4-Byte Header (N) 2 nd Stage Loader Application Code/Data Figure 2-4. ADSP-BF535 Processors: Copying Second-Stage Loader 3. The second-stage loader downloads the application code and data into the various memories of the Blackfin processor (Figure 2-5). 0xEF00 0000 ADSP-BF535 Processor On-Chip Boot ROM 2 nd Stage Loader B L2 Memory (0xF000 0000) 2nd Stage Loader or Application 2 Code nd Stage Loader L1 Memory A PROM/Flash or SPI Device 4-Byte Header (N) 2 nd Stage Loader Figure 2-5. ADSP-BF535 Processors: Booting Application Code VisualDSP++ 4.5 Loader and Utilities Manual 2-7 A B C SDRAM C 0x0 0x0 Application Code/Data
Page 1 and 2: Analog Devices, Inc. One Technology
Page 3 and 4: CONTENTS PREFACE Purpose of This Ma
Page 5 and 6: CONTENTS Loader Files Without a Sec
Page 7 and 8: CONTENTS ADSP-BF535 and ADSP-BF531/
Page 9 and 10: Contents File Extensions ..........
Page 11 and 12: Contents Boot Type Selection ......
Page 13 and 14: PREFACE Thank you for purchasing Vi
Page 15 and 16: Technical or Customer Support Prefa
Page 17 and 18: ADSP-21367 ADSP-21368 ADSP21369 ADS
Page 19 and 20: Preface VisualDSP++ 4.5 C/C++ Compi
Page 21 and 22: VisualDSP++ Documentation Set Prefa
Page 23 and 24: 1 INTRODUCTION The majority of this
Page 25 and 26: Loader Command Line Introduction If
Page 27 and 28: Initialization Code Introduction In
Page 29 and 30: A brief description of each phase f
Page 31 and 32: Introduction Download the loadable
Page 33 and 34: Introduction You can run the loader
Page 35 and 36: PROM Boot Mode Introduction After r
Page 37 and 38: Boot Streams Introduction The loade
Page 39 and 40: 2 LOADER/SPLITTER FOR BLACKFIN PROC
Page 41 and 42: Loader/Splitter for Blackfin Proces
Page 43: System Reset Configuration Register
Page 49 and 50: D7 OUTPUT .LDR FILE 4-BYTE HEADER F
Page 53 and 54: Second-Stage Loader Restrictions Lo
Page 63 and 64: SPI Memory Detection Routine Loader
Page 77 and 78: P0.H = HI(EBIU_SDRRC); R0 = 0x074A(
Page 79 and 80: � Booting � SDRAM ADSP-BF536 pr
Page 85 and 86: 1-0-Byte Block Header Block Data Lo
Page 93 and 94: � The Core B Loader/Splitter for
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INITIALIZATION CODE (KERNEL WITH DE
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Loader/Splitter for Blackfin Proces
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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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Processor ID Numbers Loader for ADS
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File Searches Loader for ADSP-21161
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5 LOADER FOR ADSP-2126X/2136X/2137X
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Loader for ADSP-2126x/2136x/2137x S
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File Searches Loader for ADSP-2126x
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6 LOADER FOR TIGERSHARC PROCESSORS
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� EE-174: Loader for TigerSHARC P
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Boot Kernel Modification Loader for
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Loader for TigerSHARC Processors el
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TigerSHARC Command-Line Switches Lo
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Loader for TigerSHARC Processors Ta
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7 SPLITTER FOR SHARC AND TIGERSHARC
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� Most Splitter for SHARC and Tig
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Splitter for SHARC and TigerSHARC P
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A FILE FORMATS VisualDSP++ developm
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Assembly Source Files File Formats
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Build Files File Formats Build file
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Memory Map Files File Formats The l
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Table A-4. End-of-File Record Examp
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This example shows how to include t
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Table A-7. S1 Termination Record Ex
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File Formats A block of data record
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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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