AN3995 Datasheet, PDF(18/49 Page) STMicroelectronics

English

English German Russian Spanish Italian Polish Chinese Japanese Korean French Portuguese	Language :

AN3995 Datasheet, PDF (18/49 Pages) STMicroelectronics – Getting started tutorial

◁

e200z4d initialization and example code

AN3995

Figure 9. Startup file: __ghs_board_memory_init

#/**************************************************************************/

#/* RCHW Configuration (and referencing of start label for linker) */

#/**************************************************************************/

.section .rchw

.LONG 0x015A0000

#/* RCHW: VLE bit, Valid Bood Identifier 0x5A */

.LONG _start

.file "crt0_corez4_Flash.s"

.section .vletext_boot, "vax"

.vle

#.global _start

.global__ghs_board_memory_init

.global asm_init_cache

.equ

MPR0ADDR, 0xFFF04000

MPR0VALUE, 0x76543210 #/* Flash PORT1: Priority to corez4(instruct.)*/

SGPCR0VALUE, 0x0

MPR1ADDR, 0xFFF04100

MPR1VALUE, 0x76543201 #/* Flash PORT1: Priority to corez4(data)*/

SGPCR1VALUE, 0x1

MPR2ADDR, 0xFFF04200

MPR2VALUE, 0x54376201 #/* PRAM0: Priority to corez4(data)*/

SGPCR2VALUE, 0x1

MPR3ADDR, 0xFFF04300

MPR3VALUE, 0x54301276 #/* PRAM1: Priority to corez0(data)*/

SGPCR3VALUE, 0x4

MPR7ADDR, 0xFFF04700

MPR7VALUE, 0x54327106 #/* PBRIDGE: Priority to corez4(data)*/

SGPCR7VALUE, 0x1

#/*_start: */

#/* uncomment this line and comment the following one */

#/* you don't use GHS libraries (take care to */

#/* configure SDA/Stack/..pointers */

__ghs_board_memory_init:

Figure 10. Startup file: branch to GHS startup libraries

se_blr

#/* Jump to Caller */

#e_bl main

#/* Use this Branch and comment the previous if you not

#/* use GHS crt0.ppc */

.type __ghs_board_memory_init,@function

.size __ghs_board_memory_init,$-__ghs_board_memory_init

18/49

Doc ID 022384 Rev 2

▷