Bootloader(Vivi)源代码

Bootloader(Vivi)源代码
----基于S3C2410处理器

完成含依赖于CPU的体系结构硬件初始化的代码，包括禁止中断、初始化串口、复制自身到RAM等。相关代码集中在head.S(\vivi\arch\s3c2410目录下)：
Head.S：
#include "config.h"
#include "linkage.h"
#include "machine.h"
@ Start of executable code
ENTRY(_start)
ENTRY(ResetEntryPoint)
@
@ Exception vector table (physical address = 0x00000000) ；异常向量表物理地址
@
@0x00: Reset ；复位
b Reset
@ 0x04: Undefined instruction exception ；未定义的指令异常
UndefEntryPoint:
b HandleUndef
@0x08: Software interrupt exception ；软件中断异常
SWIEntryPoint: b HandleSWI
@ 0x0c: Prefetch Abort (Instruction Fetch Memory Abort) ；内存操作异常
PrefetchAbortEnteryPoint: b HandlePrefetchAbort
@ 0x10: Data Access Memory Abort ；数据异常
DataAbortEntryPoint: b HandleDataAbort
@0x14: Not used ；未使用
NotUsedEntryPoint: b HandleNotUsed
@ 0x18: IRQ(Interrupt Request) exception ；慢速中断处理
IRQEntryPoint: b HandleIRQ
@ 0x1c: FIQ(Fast Interrupt Request) exception ；快速中断处理
FIQEntryPoint: b HandleFIQ
@
@ VIVI magics