自带的例子: #define MPC860_REGB_OFFSET 0x2000 /* offset to internal registers */ #define SMC1_TBD_OFF 0x200 ppc860Chan [i].uart.txBdBase = (SMC_BUF *)
(MPC860_REGB_OFFSET +
ppc860SmcParms[i].smcTbdOff); /*smcTbdOff=SMC1_TBD_OFF */ ppc860Chan [i].uart.txBdBase 是不是在一个2200的绝对地址上? 但里边说是在双口ram中. 现在有点不明白,请教各位.