2 * This is set up by the setup-routine at boot-time
4 #define PARAM ((unsigned char *)empty_zero_page)
6 #define MOUNT_ROOT_RDONLY (*(unsigned long *) (PARAM+0x000))
7 #define RAMDISK_FLAGS (*(unsigned long *) (PARAM+0x004))
8 #define ORIG_ROOT_DEV (*(unsigned long *) (PARAM+0x008))
9 #define LOADER_TYPE (*(unsigned long *) (PARAM+0x00c))
10 #define INITRD_START (*(unsigned long *) (PARAM+0x010))
11 #define INITRD_SIZE (*(unsigned long *) (PARAM+0x014))
13 #define M32R_CPUCLK (*(unsigned long *) (PARAM+0x018))
14 #define M32R_BUSCLK (*(unsigned long *) (PARAM+0x01c))
15 #define M32R_TIMER_DIVIDE (*(unsigned long *) (PARAM+0x020))
17 #define COMMAND_LINE ((char *) (PARAM+0x100))
19 #define SCREEN_INFO (*(struct screen_info *) (PARAM+0x200))
21 #define COMMAND_LINE_SIZE (512)
23 #define RAMDISK_IMAGE_START_MASK (0x07FF)
24 #define RAMDISK_PROMPT_FLAG (0x8000)
25 #define RAMDISK_LOAD_FLAG (0x4000)
27 extern unsigned long memory_start
;
28 extern unsigned long memory_end
;