ECE497 Listings for Embedded Linux Primer Chapter 7
(Redirected from ECE597 Listings for Embedded Linux Primer Chapter 7)
Number | Page | Caption | Listing |
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7-1 | 7-4 | Simple C Function With Local Variable | int setup_memory_controller(board_info_t *p) { unsigned int *dram_controller_register = p->dc_reg; ... |
7-2 | 7-4 | Linker Command Script-Reset Vector Placement .../board/omap3/beagle/u-boot.lds | OUTPUT_FORMAT("elf32-littlearm", "elf32-littlearm", "elf32-littlearm") OUTPUT_ARCH(arm) ENTRY(_start) SECTIONS { . = 0x00000000; . = ALIGN(4); .text : { cpu/arm_cortexa8/start.o (.text) *(.text) } } |
7-3 | 7-5 | Reset Vectors …/cpu/arm_cortexa8/start.S | .globl _start _start: b reset ldr pc, _undefined_instruction ldr pc, _software_interrupt ldr pc, _prefetch_abort ldr pc, _data_abort ldr pc, _not_used ldr pc, _irq ldr pc, _fiq _undefined_instruction: .word undefined_instruction _software_interrupt: .word software_interrupt … _pad: .word 0x12345678 /* now 16*4=64 */ .global _end_vect _end_vect: |
7-4 | 7-9 | Portions of U-Boot Board-Configuration Header File …/incluyde/configs/omap3_beagle.h | /* * High Level Configuration Options */ #define CONFIG_ARMCORTEXA8 1 /* This is an ARM V7 CPU core */ #define CONFIG_OMAP 1 /* in a TI OMAP core */ #define CONFIG_OMAP34XX 1 /* which is a 34XX */ #define CONFIG_OMAP3430 1 /* which is in a 3430 */ #define CONFIG_OMAP3_BEAGLE 1 /* working with BEAGLE */ #include <asm/arch/cpu.h> /* get chip and board defs */ #include <asm/arch/omap3.h> /* * Display CPU and Board information */ #define CONFIG_DISPLAY_CPUINFO 1 #define CONFIG_DISPLAY_BOARDINFO 1 |