1 | /* |
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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 | |
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6 | #ifndef _i386_SETUP_H |
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7 | #define _i386_SETUP_H |
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8 | |
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9 | #ifdef __KERNEL__ |
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10 | #include <linux/pfn.h> |
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11 | |
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12 | /* |
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13 | * Reserved space for vmalloc and iomap - defined in asm/page.h |
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14 | */ |
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15 | #define MAXMEM_PFN PFN_DOWN(MAXMEM) |
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16 | #define MAX_NONPAE_PFN (1 << 20) |
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17 | #endif |
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18 | |
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19 | #define PARAM_SIZE 4096 |
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20 | #define COMMAND_LINE_SIZE 256 |
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21 | |
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22 | #define OLD_CL_MAGIC_ADDR 0x90020 |
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23 | #define OLD_CL_MAGIC 0xA33F |
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24 | #define OLD_CL_BASE_ADDR 0x90000 |
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25 | #define OLD_CL_OFFSET 0x90022 |
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26 | #define NEW_CL_POINTER 0x228 /* Relative to real mode data */ |
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27 | |
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28 | #ifndef __ASSEMBLY__ |
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29 | /* |
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30 | * This is set up by the setup-routine at boot-time |
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31 | */ |
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32 | extern unsigned char boot_params[PARAM_SIZE]; |
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33 | |
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34 | #define PARAM (boot_params) |
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35 | #define SCREEN_INFO (*(struct screen_info *) (PARAM+0)) |
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36 | #define EXT_MEM_K (*(unsigned short *) (PARAM+2)) |
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37 | #define ALT_MEM_K (*(unsigned long *) (PARAM+0x1e0)) |
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38 | #define E820_MAP_NR (*(char*) (PARAM+E820NR)) |
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39 | #define E820_MAP ((struct e820entry *) (PARAM+E820MAP)) |
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40 | #define APM_BIOS_INFO (*(struct apm_bios_info *) (PARAM+0x40)) |
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41 | #define IST_INFO (*(struct ist_info *) (PARAM+0x60)) |
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42 | #define DRIVE_INFO (*(struct drive_info_struct *) (PARAM+0x80)) |
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43 | #define SYS_DESC_TABLE (*(struct sys_desc_table_struct*)(PARAM+0xa0)) |
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44 | #define EFI_SYSTAB ((efi_system_table_t *) *((unsigned long *)(PARAM+0x1c4))) |
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45 | #define EFI_MEMDESC_SIZE (*((unsigned long *) (PARAM+0x1c8))) |
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46 | #define EFI_MEMDESC_VERSION (*((unsigned long *) (PARAM+0x1cc))) |
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47 | #define EFI_MEMMAP ((void *) *((unsigned long *)(PARAM+0x1d0))) |
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48 | #define EFI_MEMMAP_SIZE (*((unsigned long *) (PARAM+0x1d4))) |
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49 | #define MOUNT_ROOT_RDONLY (*(unsigned short *) (PARAM+0x1F2)) |
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50 | #define RAMDISK_FLAGS (*(unsigned short *) (PARAM+0x1F8)) |
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51 | #define VIDEO_MODE (*(unsigned short *) (PARAM+0x1FA)) |
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52 | #define ORIG_ROOT_DEV (*(unsigned short *) (PARAM+0x1FC)) |
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53 | #define AUX_DEVICE_INFO (*(unsigned char *) (PARAM+0x1FF)) |
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54 | #define LOADER_TYPE (*(unsigned char *) (PARAM+0x210)) |
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55 | #define KERNEL_START (*(unsigned long *) (PARAM+0x214)) |
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56 | #define INITRD_START (__pa(xen_start_info->mod_start)) |
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57 | #define INITRD_SIZE (xen_start_info->mod_len) |
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58 | #define EDID_INFO (*(struct edid_info *) (PARAM+0x440)) |
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59 | #define EDD_NR (*(unsigned char *) (PARAM+EDDNR)) |
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60 | #define EDD_MBR_SIG_NR (*(unsigned char *) (PARAM+EDD_MBR_SIG_NR_BUF)) |
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61 | #define EDD_MBR_SIGNATURE ((unsigned int *) (PARAM+EDD_MBR_SIG_BUF)) |
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62 | #define EDD_BUF ((struct edd_info *) (PARAM+EDDBUF)) |
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63 | |
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64 | /* |
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65 | * Do NOT EVER look at the BIOS memory size location. |
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66 | * It does not work on many machines. |
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67 | */ |
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68 | #define LOWMEMSIZE() (0x9f000) |
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69 | |
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70 | struct e820entry; |
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71 | |
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72 | char * __init machine_specific_memory_setup(void); |
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73 | |
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74 | int __init copy_e820_map(struct e820entry * biosmap, int nr_map); |
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75 | int __init sanitize_e820_map(struct e820entry * biosmap, char * pnr_map); |
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76 | void __init add_memory_region(unsigned long long start, |
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77 | unsigned long long size, int type); |
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78 | |
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79 | #endif /* __ASSEMBLY__ */ |
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80 | |
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81 | #endif /* _i386_SETUP_H */ |
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