common/sfl.h

   1 #ifndef __SFL_H
   2 #define __SFL_H
   3
   4 #define SFL_MAGIC_LEN 14
   5 #define SFL_MAGIC_REQ "sL5DdSMmkekro\n"
   6 #define SFL_MAGIC_ACK "z6IHG7cYDID6o\n"
   7
   8 struct sfl_frame {
   9         unsigned char length;
  10         unsigned char crc[2];
  11         unsigned char cmd;
  12         unsigned char payload[255];
  13 } __attribute__((packed));
  14
  15 /* General commands */
  16 #define SFL_CMD_ABORT           0x00
  17 #define SFL_CMD_LOAD            0x01
  18 #define SFL_CMD_JUMP            0x02
  19
  20 /* Linux-specific commands */
  21 #define SFL_CMD_CMDLINE         0x03
  22 #define SFL_CMD_INITRDSTART     0x04
  23 #define SFL_CMD_INITRDEND       0x05
  24
  25 /* Replies */
  26 #define SFL_ACK_SUCCESS         'K'
  27 #define SFL_ACK_CRCERROR        'C'
  28 #define SFL_ACK_UNKNOWN         'U'
  29 #define SFL_ACK_ERROR           'E'
  30
  31 #endif /* __SFL_H */