UU-boot和kernel的传参

 1     typedefstruct bd_info {
 2     int    bi_baudrate;/* serial console baudrate */
 3     unsignedlong    bi_ip_addr;/* IP Address */
 4     struct environment_s *bi_env;
 5     ulong bi_arch_number;/* unique id for this board */
 6     ulong bi_boot_params;/* where this board expects params */
 7     struct/* RAM configuration */
 8     {
 9     ulong start;
10     ulong size;
11     }    bi_dram[CONFIG_NR_DRAM_BANKS];
12     }bd_t;
13     #define bi_env_data bi_env->data
14     #define bi_env_crc bi_env->crc