diff options
Diffstat (limited to 'include/asm-i386/setup.h')
-rw-r--r-- | include/asm-i386/setup.h | 66 |
1 files changed, 66 insertions, 0 deletions
diff --git a/include/asm-i386/setup.h b/include/asm-i386/setup.h new file mode 100644 index 000000000000..8814b54c75d4 --- /dev/null +++ b/include/asm-i386/setup.h | |||
@@ -0,0 +1,66 @@ | |||
1 | /* | ||
2 | * Just a place holder. We don't want to have to test x86 before | ||
3 | * we include stuff | ||
4 | */ | ||
5 | |||
6 | #ifndef _i386_SETUP_H | ||
7 | #define _i386_SETUP_H | ||
8 | |||
9 | #define PFN_UP(x) (((x) + PAGE_SIZE-1) >> PAGE_SHIFT) | ||
10 | #define PFN_DOWN(x) ((x) >> PAGE_SHIFT) | ||
11 | #define PFN_PHYS(x) ((x) << PAGE_SHIFT) | ||
12 | |||
13 | /* | ||
14 | * Reserved space for vmalloc and iomap - defined in asm/page.h | ||
15 | */ | ||
16 | #define MAXMEM_PFN PFN_DOWN(MAXMEM) | ||
17 | #define MAX_NONPAE_PFN (1 << 20) | ||
18 | |||
19 | #define PARAM_SIZE 2048 | ||
20 | #define COMMAND_LINE_SIZE 256 | ||
21 | |||
22 | #define OLD_CL_MAGIC_ADDR 0x90020 | ||
23 | #define OLD_CL_MAGIC 0xA33F | ||
24 | #define OLD_CL_BASE_ADDR 0x90000 | ||
25 | #define OLD_CL_OFFSET 0x90022 | ||
26 | #define NEW_CL_POINTER 0x228 /* Relative to real mode data */ | ||
27 | |||
28 | #ifndef __ASSEMBLY__ | ||
29 | /* | ||
30 | * This is set up by the setup-routine at boot-time | ||
31 | */ | ||
32 | extern unsigned char boot_params[PARAM_SIZE]; | ||
33 | |||
34 | #define PARAM (boot_params) | ||
35 | #define SCREEN_INFO (*(struct screen_info *) (PARAM+0)) | ||
36 | #define EXT_MEM_K (*(unsigned short *) (PARAM+2)) | ||
37 | #define ALT_MEM_K (*(unsigned long *) (PARAM+0x1e0)) | ||
38 | #define E820_MAP_NR (*(char*) (PARAM+E820NR)) | ||
39 | #define E820_MAP ((struct e820entry *) (PARAM+E820MAP)) | ||
40 | #define APM_BIOS_INFO (*(struct apm_bios_info *) (PARAM+0x40)) | ||
41 | #define IST_INFO (*(struct ist_info *) (PARAM+0x60)) | ||
42 | #define DRIVE_INFO (*(struct drive_info_struct *) (PARAM+0x80)) | ||
43 | #define SYS_DESC_TABLE (*(struct sys_desc_table_struct*)(PARAM+0xa0)) | ||
44 | #define EFI_SYSTAB ((efi_system_table_t *) *((unsigned long *)(PARAM+0x1c4))) | ||
45 | #define EFI_MEMDESC_SIZE (*((unsigned long *) (PARAM+0x1c8))) | ||
46 | #define EFI_MEMDESC_VERSION (*((unsigned long *) (PARAM+0x1cc))) | ||
47 | #define EFI_MEMMAP ((efi_memory_desc_t *) *((unsigned long *)(PARAM+0x1d0))) | ||
48 | #define EFI_MEMMAP_SIZE (*((unsigned long *) (PARAM+0x1d4))) | ||
49 | #define MOUNT_ROOT_RDONLY (*(unsigned short *) (PARAM+0x1F2)) | ||
50 | #define RAMDISK_FLAGS (*(unsigned short *) (PARAM+0x1F8)) | ||
51 | #define VIDEO_MODE (*(unsigned short *) (PARAM+0x1FA)) | ||
52 | #define ORIG_ROOT_DEV (*(unsigned short *) (PARAM+0x1FC)) | ||
53 | #define AUX_DEVICE_INFO (*(unsigned char *) (PARAM+0x1FF)) | ||
54 | #define LOADER_TYPE (*(unsigned char *) (PARAM+0x210)) | ||
55 | #define KERNEL_START (*(unsigned long *) (PARAM+0x214)) | ||
56 | #define INITRD_START (*(unsigned long *) (PARAM+0x218)) | ||
57 | #define INITRD_SIZE (*(unsigned long *) (PARAM+0x21c)) | ||
58 | #define EDID_INFO (*(struct edid_info *) (PARAM+0x140)) | ||
59 | #define EDD_NR (*(unsigned char *) (PARAM+EDDNR)) | ||
60 | #define EDD_MBR_SIG_NR (*(unsigned char *) (PARAM+EDD_MBR_SIG_NR_BUF)) | ||
61 | #define EDD_MBR_SIGNATURE ((unsigned int *) (PARAM+EDD_MBR_SIG_BUF)) | ||
62 | #define EDD_BUF ((struct edd_info *) (PARAM+EDDBUF)) | ||
63 | |||
64 | #endif /* __ASSEMBLY__ */ | ||
65 | |||
66 | #endif /* _i386_SETUP_H */ | ||