Commit | Line | Data |
---|---|---|
1da177e4 LT |
1 | /* |
2 | * This is set up by the setup-routine at boot-time | |
3 | */ | |
4 | #define PARAM ((unsigned char *)empty_zero_page) | |
5 | ||
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)) | |
12 | ||
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)) | |
16 | ||
17 | #define COMMAND_LINE ((char *) (PARAM+0x100)) | |
18 | ||
19 | #define SCREEN_INFO (*(struct screen_info *) (PARAM+0x200)) | |
20 | ||
21 | #define COMMAND_LINE_SIZE (512) | |
22 | ||
23 | #define RAMDISK_IMAGE_START_MASK (0x07FF) | |
24 | #define RAMDISK_PROMPT_FLAG (0x8000) | |
25 | #define RAMDISK_LOAD_FLAG (0x4000) | |
26 | ||
27 | #define PFN_UP(x) (((x) + PAGE_SIZE-1) >> PAGE_SHIFT) | |
28 | #define PFN_DOWN(x) ((x) >> PAGE_SHIFT) | |
29 | #define PFN_PHYS(x) ((x) << PAGE_SHIFT) | |
30 | ||
31 | extern unsigned long memory_start; | |
32 | extern unsigned long memory_end; | |
33 |