UU-boot和kernel的传参

typedefstruct bd_info {

int bi_baudrate;/* serial console baudrate */

unsignedlong bi_ip_addr;/* IP Address */

struct environment_s *bi_env;

ulong bi_arch_number;/* unique id for this board */

ulong bi_boot_params;/* where this board expects params */

struct/* RAM configuration */

{

ulong start;

ulong size;

} bi_dram[CONFIG_NR_DRAM_BANKS];

}bd_t;

#define bi_env_data bi_env->data

#define bi_env_crc bi_env->crc