16# strongchen
最近刚接触BOOTLOADER,一直困惑中断向量表重分配的方法,我用的是9S12HY128不像HY64支持IVBR中断向量表硬件重定位,只能采用您long long 之前自创的二次跳转方法,我想请教一下PCR具体代表什么含义,哪边能查到,还有请教以下的指令(AN4258 S12BOOTLOADER Main中)是什么含义,谢谢
#define __SEG_START_REF(a) __SEG_START_ ## a
#define __SEG_END_REF(a) __SEG_END_ ## a
#define __SEG_SIZE_REF(a) __SEG_SIZE_ ## a
#define __SEG_START_DEF(a) extern INT8 __SEG_START_REF (a) []
#define __SEG_END_DEF(a) extern INT8 __SEG_END_REF (a) []
#define __SEG_SIZE_DEF(a) extern INT8 __SEG_SIZE_REF (a) []
__SEG_START_DEF (RAM_CODE);
__SEG_END_DEF (RAM_CODE);
__SEG_SIZE_DEF (RAM_CODE); |