arch/m32r/include/asm/setup.h

   1 #ifndef _ASM_M32R_SETUP_H
   2 #define _ASM_M32R_SETUP_H
   3
   4 /*
   5  * This is set up by the setup-routine at boot-time
   6  */
   7
   8 #define COMMAND_LINE_SIZE       512
   9
  10 #ifdef __KERNEL__
  11
  12 #define PARAM                   ((unsigned char *)empty_zero_page)
  13
  14 #define MOUNT_ROOT_RDONLY       (*(unsigned long *) (PARAM+0x000))
  15 #define RAMDISK_FLAGS           (*(unsigned long *) (PARAM+0x004))
  16 #define ORIG_ROOT_DEV           (*(unsigned long *) (PARAM+0x008))
  17 #define LOADER_TYPE             (*(unsigned long *) (PARAM+0x00c))
  18 #define INITRD_START            (*(unsigned long *) (PARAM+0x010))
  19 #define INITRD_SIZE             (*(unsigned long *) (PARAM+0x014))
  20
  21 #define M32R_CPUCLK             (*(unsigned long *) (PARAM+0x018))
  22 #define M32R_BUSCLK             (*(unsigned long *) (PARAM+0x01c))
  23 #define M32R_TIMER_DIVIDE       (*(unsigned long *) (PARAM+0x020))
  24
  25 #define COMMAND_LINE            ((char *) (PARAM+0x100))
  26
  27 #define SCREEN_INFO             (*(struct screen_info *) (PARAM+0x200))
  28
  29 #define RAMDISK_IMAGE_START_MASK        (0x07FF)
  30 #define RAMDISK_PROMPT_FLAG             (0x8000)
  31 #define RAMDISK_LOAD_FLAG               (0x4000)
  32
  33 extern unsigned long memory_start;
  34 extern unsigned long memory_end;
  35
  36 #endif  /*  __KERNEL__  */
  37
  38 #endif /* _ASM_M32R_SETUP_H */