Peter Huewe at 20:35, 27 October 2011

2011-10-27T20:35:08Z

Xinkeqiong: Created page with '{| ! Number ! Page ! Caption ! Listing |- | 7-1 | 7-4 | Simple C Function With Local Variable |

 int setup_memory_controller(board_info_t *p)     {     unsigned int *dram_co…'

2010-04-15T18:17:48Z

Created page with '{| ! Number ! Page ! Caption ! Listing |- | 7-1 | 7-4 | Simple C Function With Local Variable | <pre> int setup_memory_controller(board_info_t *p) { unsigned int *dram_co…'

New page

{|
! Number
! Page
! Caption
! Listing
|-
| 7-1
| 7-4
| Simple C Function With Local Variable
| <pre>
int setup_memory_controller(board_info_t *p)
{
unsigned int *dram_controller_register = p->dc_reg;
...
</pre>
|-
| 7-2
| 7-4
| Linker Command Script-Reset Vector Placement .../board/omap3/beagle/u-boot.lds
| <pre>
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)
}
}
</pre>
|-
| 7-3
| 7-5
| Reset Vectors …/cpu/arm_cortexa8/start.S
| <pre>
.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:

</pre>
|-
| 7-4
| 7-9
| Portions of U-Boot Board-Configuration Header File …/incluyde/configs/omap3_beagle.h
| <pre>
/*
* 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
</pre>

|}

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ECE597 Listings for Chapter 7 xink - Revision history

Peter Huewe at 20:35, 27 October 2011

Xinkeqiong: Created page with '{| ! Number ! Page ! Caption ! Listing |- | 7-1 | 7-4 | Simple C Function With Local Variable |
int setup_memory_controller(board_info_t p) { unsigned int dram_co…'