static void __outb(int port, unsigned char v) { *((volatile unsigned char *)(0x80000000 + port)) = v; } static unsigned char __inb(int port) { return *((volatile unsigned char *)(0x80000000 + port)); } static void __memcpy (unsigned char *d, unsigned char *s, int len) { while (len--) *d++ = *s++; } static void __bzero (unsigned char *d, int len) { while (len--) *d++ = 0; } extern unsigned char __sdata2_load[], __sdata2_start[], __sdata2_end[]; extern unsigned char __data_load[], __data_start[], __data_end[]; extern unsigned char __sdata_load[], __sdata_start[], __sdata_end[]; extern unsigned char __sbss2_start[], __sbss2_end[]; extern unsigned char __sbss_start[], __sbss_end[]; extern unsigned char __bss_start[], __bss_end[]; extern void boot_card(void *); void cmain (void) { /* * init variable sections */ __memcpy (__sdata2_start, __sdata2_load, __sdata2_end - __sdata2_start); __memcpy (__sdata_start , __sdata_load , __sdata_end - __sdata_start); __memcpy (__data_start , __data_load , __data_end - __data_start); __bzero (__sbss2_start , __sbss2_end - __sbss2_start); __bzero (__sbss_start , __sbss_end - __sbss_start); __bzero (__bss_start , __bss_end - __bss_start); printk( "start of BSP\n"); boot_card(0); printk( "end of BSP\n"); __outb (0x92, 0x01); while (1) ; }