1 #ifndef _ASM_X86_BOOTPARAM_H
2 #define _ASM_X86_BOOTPARAM_H
4 #include <linux/types.h>
5 #include <linux/screen_info.h>
6 #include <linux/apm_bios.h>
10 #include <video/edid.h>
12 /* setup data types */
14 #define SETUP_E820_EXT 1
16 /* extensible setup data list node */
29 #define RAMDISK_IMAGE_START_MASK 0x07FF
30 #define RAMDISK_PROMPT_FLAG 0x8000
31 #define RAMDISK_LOAD_FLAG 0x4000
43 #define LOADED_HIGH (1<<0)
44 #define QUIET_FLAG (1<<5)
45 #define KEEP_SEGMENTS (1<<6)
46 #define CAN_USE_HEAP (1<<7)
47 __u16 setup_move_size;
51 __u32 bootsect_kludge;
56 __u32 initrd_addr_max;
57 __u32 kernel_alignment;
58 __u8 relocatable_kernel;
61 __u32 hardware_subarch;
62 __u64 hardware_subarch_data;
66 } __attribute__((packed));
68 struct sys_desc_table {
73 /* Gleaned from OFW's set-parameters in cpu/x86/pc/linux.fth */
74 struct olpc_ofw_header {
75 __u32 ofw_magic; /* OFW signature */
77 __u32 cif_handler; /* callback into OFW */
79 } __attribute__((packed));
82 __u32 efi_loader_signature;
84 __u32 efi_memdesc_size;
85 __u32 efi_memdesc_version;
87 __u32 efi_memmap_size;
92 /* The so-called "zeropage" */
94 struct screen_info screen_info; /* 0x000 */
95 struct apm_bios_info apm_bios_info; /* 0x040 */
96 __u8 _pad2[4]; /* 0x054 */
97 __u64 tboot_addr; /* 0x058 */
98 struct ist_info ist_info; /* 0x060 */
99 __u8 _pad3[16]; /* 0x070 */
100 __u8 hd0_info[16]; /* obsolete! */ /* 0x080 */
101 __u8 hd1_info[16]; /* obsolete! */ /* 0x090 */
102 struct sys_desc_table sys_desc_table; /* 0x0a0 */
103 struct olpc_ofw_header olpc_ofw_header; /* 0x0b0 */
104 __u8 _pad4[128]; /* 0x0c0 */
105 struct edid_info edid_info; /* 0x140 */
106 struct efi_info efi_info; /* 0x1c0 */
107 __u32 alt_mem_k; /* 0x1e0 */
108 __u32 scratch; /* Scratch field! */ /* 0x1e4 */
109 __u8 e820_entries; /* 0x1e8 */
110 __u8 eddbuf_entries; /* 0x1e9 */
111 __u8 edd_mbr_sig_buf_entries; /* 0x1ea */
112 __u8 _pad6[6]; /* 0x1eb */
113 struct setup_header hdr; /* setup header */ /* 0x1f1 */
114 __u8 _pad7[0x290-0x1f1-sizeof(struct setup_header)];
115 __u32 edd_mbr_sig_buffer[EDD_MBR_SIG_MAX]; /* 0x290 */
116 struct e820entry e820_map[E820MAX]; /* 0x2d0 */
117 __u8 _pad8[48]; /* 0xcd0 */
118 struct edd_info eddbuf[EDDMAXNR]; /* 0xd00 */
119 __u8 _pad9[276]; /* 0xeec */
120 } __attribute__((packed));
132 #endif /* _ASM_X86_BOOTPARAM_H */