Rev 422 | Details | Compare with Previous | Last modification | View Log | RSS feed
| Rev | Author | Line No. | Line |
|---|---|---|---|
| 422 | giacomo | 1 | /* |
| 2 | * Just a place holder. We don't want to have to test x86 before |
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| 3 | * we include stuff |
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| 4 | */ |
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| 5 | |||
| 6 | #ifndef _i386_SETUP_H |
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| 7 | #define _i386_SETUP_H |
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| 8 | |||
| 9 | #define PFN_UP(x) (((x) + PAGE_SIZE-1) >> PAGE_SHIFT) |
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| 10 | #define PFN_DOWN(x) ((x) >> PAGE_SHIFT) |
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| 11 | #define PFN_PHYS(x) ((x) << PAGE_SHIFT) |
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| 12 | |||
| 13 | /* |
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| 14 | * Reserved space for vmalloc and iomap - defined in asm/page.h |
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| 15 | */ |
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| 16 | #define MAXMEM_PFN PFN_DOWN(MAXMEM) |
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| 17 | #define MAX_NONPAE_PFN (1 << 20) |
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| 18 | |||
| 19 | /* |
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| 20 | * This is set up by the setup-routine at boot-time |
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| 21 | */ |
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| 22 | #define PARAM ((unsigned char *)empty_zero_page) |
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| 23 | #define SCREEN_INFO (*(struct screen_info *) (PARAM+0)) |
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| 24 | #define EXT_MEM_K (*(unsigned short *) (PARAM+2)) |
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| 25 | #define ALT_MEM_K (*(unsigned long *) (PARAM+0x1e0)) |
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| 26 | #define E820_MAP_NR (*(char*) (PARAM+E820NR)) |
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| 27 | #define E820_MAP ((struct e820entry *) (PARAM+E820MAP)) |
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| 28 | #define APM_BIOS_INFO (*(struct apm_bios_info *) (PARAM+0x40)) |
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| 29 | #define IST_INFO (*(struct ist_info *) (PARAM+0x60)) |
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| 30 | #define DRIVE_INFO (*(struct drive_info_struct *) (PARAM+0x80)) |
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| 31 | #define SYS_DESC_TABLE (*(struct sys_desc_table_struct*)(PARAM+0xa0)) |
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| 32 | #define MOUNT_ROOT_RDONLY (*(unsigned short *) (PARAM+0x1F2)) |
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| 33 | #define RAMDISK_FLAGS (*(unsigned short *) (PARAM+0x1F8)) |
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| 34 | #define VIDEO_MODE (*(unsigned short *) (PARAM+0x1FA)) |
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| 35 | #define ORIG_ROOT_DEV (*(unsigned short *) (PARAM+0x1FC)) |
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| 36 | #define AUX_DEVICE_INFO (*(unsigned char *) (PARAM+0x1FF)) |
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| 37 | #define LOADER_TYPE (*(unsigned char *) (PARAM+0x210)) |
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| 38 | #define KERNEL_START (*(unsigned long *) (PARAM+0x214)) |
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| 39 | #define INITRD_START (*(unsigned long *) (PARAM+0x218)) |
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| 40 | #define INITRD_SIZE (*(unsigned long *) (PARAM+0x21c)) |
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| 41 | #define EDID_INFO (*(struct edid_info *) (PARAM+0x440)) |
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| 42 | #define EDD_NR (*(unsigned char *) (PARAM+EDDNR)) |
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| 43 | #define EDD_BUF ((struct edd_info *) (PARAM+EDDBUF)) |
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| 44 | #define COMMAND_LINE ((char *) (PARAM+2048)) |
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| 45 | #define COMMAND_LINE_SIZE 256 |
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| 46 | |||
| 47 | #endif /* _i386_SETUP_H */ |