00. 目錄

文章目錄

• • 00. 目錄
  • 01. Chip ID概述
  • 02. 寄存器介紹
  • 03. 程序示例
  • 04. 編譯執(zhí)行
  • 05. 附錄

01. Chip ID概述

The Exynos 4412 SCP includes a Chip ID block for the Software (SW) that sends and receives Advanced
Peripheral Bus (APB) interface signals to the bus system.

Exynos 4412 SCP包含一個用于發(fā)送和接收高級外設(shè)總線接口信號到總線系統(tǒng)的Chip ID模塊，

02. 寄存器介紹

PRO_ID介紹

PACKAGE_ID介紹

03. 程序示例

test.s匯編程序

.section .rodata.align 2 .LC0:.string "PRO_ID = %p\n" .LC1:.string "PACKAGE_ID = %p\n".section .text.align 2.global _start _start:stmfd sp!, {lr}@PRO_IDldr r0, =.LC0 ldr r1, =0x10000000ldr r1, [r1]mov lr, pcldr pc, =0x43e11a2c@PACKAGE_IDldr r0, =.LC1 ldr r1, =0x10000004ldr r1, [r1]mov lr, pcldr pc, =0x43e11a2cldmfd sp!, {pc}

04. 編譯執(zhí)行

Makefile

all:arm-linux-gcc -c test.s -o test.oarm-linux-ld -Ttext=0x40008000 test.o -o testarm-linux-objcopy -O binary test test.bin.PHONY:clean clean:rm -rf test.o test test.bin

執(zhí)行結(jié)果

DengJin # go 40008000 ## Starting application at 0x40008000 ... PRO_ID = e4412011 PACKAGE_ID = 0b073008 ## Application terminated, rc = 0x16 DengJin #

05. 附錄

Exynos 4412 SCP_Users Manual_Ver.0.10.00_Preliminary.pdf

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