ia64/xen-unstable

view linux-2.6-xen-sparse/include/asm-xen/asm-i386/setup.h @ 8534:da7873110bbb

Tiny bootstrap cleanup.

Signed-off-by: Keir Fraser <keir@xensource.com>
author kaf24@firebug.cl.cam.ac.uk
date Mon Jan 09 19:46:46 2006 +0100 (2006-01-09)
parents 06ce728dcede
children
line source
1 /*
2 * Just a place holder. We don't want to have to test x86 before
3 * we include stuff
4 */
6 #ifndef _i386_SETUP_H
7 #define _i386_SETUP_H
9 #define PFN_UP(x) (((x) + PAGE_SIZE-1) >> PAGE_SHIFT)
10 #define PFN_DOWN(x) ((x) >> PAGE_SHIFT)
11 #define PFN_PHYS(x) ((unsigned long long)(x) << PAGE_SHIFT)
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)
19 #define PARAM_SIZE 4096
20 #define COMMAND_LINE_SIZE 256
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 */
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];
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 (__pa(xen_start_info->mod_start))
57 #define INITRD_SIZE (xen_start_info->mod_len)
58 #define EDID_INFO (*(struct edid_info *) (PARAM+0x440))
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))
64 #endif /* __ASSEMBLY__ */
66 #endif /* _i386_SETUP_H */