#define L2MCTRLIO 0x80000000#define L3TIMER   0x80000300extern int _uart;extern int _memcfg1, _memcfg2, _ftreg;extern volatile unsigned int *_uaddr;extern volatile unsigned int freq;bdinit1(){volatile int *l2mctrl = (int *) L2MCTRLIO;    l2mctrl[0] = _memcfg1;    l2mctrl[1] = _memcfg2;    l2mctrl[2] = _ftreg;    _wsysreg(0, 0x1000f);}bdinit2(){    volatile int *l3timer = (int *) L3TIMER;    l3timer[1] = freq -1;    l3timer[5] = -1;    l3timer[6] = 7;    _uaddr[3] = _uart;    _uaddr[2] = 3;    _uaddr[1] = 0;}