RAM 6.0 BUX II Series Guía de usuario Pagina 133
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4 Debugging Your BSP
4.2 Basic Debugging Techniques
125
4
Another way to see if components are included is to look at the nmarch -n output.
For example:
C:\T22\ppc\target\config\wrSbc824x>nmppc -n bootrom
00100000 T _romInit
00100000 T _wrs_kernel_text_start
00100000 T romInit
00100000 T wrs_kernel_text_start
00100038 t cold
00100044 t warm
00100048 t start
001000a4 t ifpdr_value
00100230 t romInit824x
00100680 t romInvalidateTLBs
00100694 t tlbloop
001006a8 t romMinimumBATsInit
0010073c t gcc2_compiled.
0010073c T romStart
00100888 t copyLongs
0010090c t fillLongs
00100964 t gcc2_compiled.
00100964 t gcc2_compiled.
00100964 t memcpy
001009bc t bzero
00100a04 t adler32
.
.
.
00136658 d fixed_td
0013665c d buf
00136660 d nextBlock
00136664 D inflateCksum
00136670 A _edata
00136670 B _wrs_kernel_bss_start
00136670 A _wrs_kernel_data_end
00136670 A edata
00136670 b fixed_mem
00136670 B wrs_kernel_bss_start
00136670 A wrs_kernel_data_end
00137700 b intBuf
0013e660 D _gp
0013e668 D _SDA_BASE_
0014fda8 b c
0014fde8 b u
0014fe24 b v
001502a4 b x
001502f0 A _end
001502f0 A _wrs_kernel_bss_end
001502f0 A end
001502f0 A wrs_kernel_bss_end
Because this is a bootrom image, the output is not very interesting. To see the
symbols in the actual VxWorks image that is used by bootrom, look at the tmp.o
- BSP DEVELOPER’S GUIDE 1
- U.S.): (800) 545-WIND 2
- Contents 3
- Contents 5
- Introduction 9
- BSP Developer’s Guide, 6.0 10
- 1.3 BSP Development Process 11
- 1.4 Terminology 12
- Overview of a BSP 13
- 2.2 Boot Sequence 15
- 2.2.1 Sequence Overview 16
- 2 Overview of a BSP 17
- Step 1: Execute romInit( ) 23
- Step 4: Execute usrInit( ) 25
- TCB) from the top 27
- 2.3 Components of a BSP 28
- USRCONFIG = usrConfig.c 29
- 2.3.2 Derived Files 36
- 2.3.4 Required Routines 40
- /* lock interrupts */ 46
- 2.3.5 Required Macros 47
- ROM_TEXT_ADRS. The offset 48
- 2.3.6 Optional Routines 50
- 2.4.1 BSP Debugging Methods 52
- 2.4.3 The Wind River IDE 56
- 2.4.5 Download Path 57
- 2.5 Avoiding Common Problems 61
- Porting a BSP to 63
- Custom Hardware 63
- 3.2.1 Initializing the Board 64
- 3.2.2 Initializing Memory 65
- LED Routines 70
- #undef INCLUDE_WDB_VIO 75
- 3.2.7 Interrupt Controllers 78
- 3.2.8 ISR Guidelines 78
- 3.2.9 DMA 78
- 3.2.11 Serial Drivers 79
- 3.3.2 Projects 81
- 3.3.3 Adding Other Timers 81
- 3.3.4 NVRAM 82
- 3.3.6 Boot ROMs 85
- FUNCPTR * pArg 89
- UINT * pArg 89
- 3.3 Finalizing Your BSP 101
- Generic Driver Introduction 110
- One-Shot Timer Examples 116
- Non-Volatile Memory 117
- Debugging Your BSP 123
- 4 Debugging Your BSP 127
- 4.2.3 Verifying RAM 129
- For example: 133
- 4.3.1 Symbols 134
- 4.3.2 Breakpoints 134
- Common Development Issues 139
- Image Locations 140
- A.3 Cache and MMU 141
- Timing Issues 142
- A.4 Reusing Unportable Code 143
- A.5 Volatile Variables 143
- Documentation Guidelines 145
- B.1 Introduction 146
- B.2 Written Style 146
- Use... Not 147
- B Documentation Guidelines 149
- Acronyms 152
- Board Names 153
- NAME Section 154
- B.4 Sections for target.ref 161
- B.5 Format and Style 163
- Ta b le B -5 Apigen Markup 166
- Component Input Output 170
- Command Syntax 174
- Board Diagrams 174
- B.6 Directives 175
- Directive Name Usage 176
- \IMAGE images/board.jpg 178
- \IMAGE images/switches.gif 178
- (apigen or refgen -mg) 182
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