CHIP_W3_SYS_START
mbst->mbst_sys_start = CHIP_W3_SYS_START(v);
if (addr >= CHIP_W3_SYS_START(v) && addr <= CHIP_W3_SYS_END(v)) {
addr = CHIP_W3_BUS_START(v) + (addr - CHIP_W3_SYS_START(v));
__S(__BS(unmap)), (u_long)CHIP_W3_SYS_START(v),