1*4882a593Smuzhiyun #ifndef _ASM_X86_BOOTPARAM_H 2*4882a593Smuzhiyun #define _ASM_X86_BOOTPARAM_H 3*4882a593Smuzhiyun 4*4882a593Smuzhiyun #include <linux/types.h> 5*4882a593Smuzhiyun #include <linux/screen_info.h> 6*4882a593Smuzhiyun #include <linux/apm_bios.h> 7*4882a593Smuzhiyun #include <linux/edd.h> 8*4882a593Smuzhiyun #include <asm/e820.h> 9*4882a593Smuzhiyun #include <asm/ist.h> 10*4882a593Smuzhiyun #include <asm/video/edid.h> 11*4882a593Smuzhiyun 12*4882a593Smuzhiyun /* setup data types */ 13*4882a593Smuzhiyun #define SETUP_NONE 0 14*4882a593Smuzhiyun #define SETUP_E820_EXT 1 15*4882a593Smuzhiyun 16*4882a593Smuzhiyun /* extensible setup data list node */ 17*4882a593Smuzhiyun struct setup_data { 18*4882a593Smuzhiyun __u64 next; 19*4882a593Smuzhiyun __u32 type; 20*4882a593Smuzhiyun __u32 len; 21*4882a593Smuzhiyun __u8 data[0]; 22*4882a593Smuzhiyun }; 23*4882a593Smuzhiyun 24*4882a593Smuzhiyun struct setup_header { 25*4882a593Smuzhiyun __u8 setup_sects; 26*4882a593Smuzhiyun __u16 root_flags; 27*4882a593Smuzhiyun __u32 syssize; 28*4882a593Smuzhiyun __u16 ram_size; 29*4882a593Smuzhiyun #define RAMDISK_IMAGE_START_MASK 0x07FF 30*4882a593Smuzhiyun #define RAMDISK_PROMPT_FLAG 0x8000 31*4882a593Smuzhiyun #define RAMDISK_LOAD_FLAG 0x4000 32*4882a593Smuzhiyun __u16 vid_mode; 33*4882a593Smuzhiyun __u16 root_dev; 34*4882a593Smuzhiyun __u16 boot_flag; 35*4882a593Smuzhiyun __u16 jump; 36*4882a593Smuzhiyun __u32 header; 37*4882a593Smuzhiyun __u16 version; 38*4882a593Smuzhiyun __u32 realmode_swtch; 39*4882a593Smuzhiyun __u16 start_sys; 40*4882a593Smuzhiyun __u16 kernel_version; 41*4882a593Smuzhiyun __u8 type_of_loader; 42*4882a593Smuzhiyun __u8 loadflags; 43*4882a593Smuzhiyun #define LOADED_HIGH (1<<0) 44*4882a593Smuzhiyun #define QUIET_FLAG (1<<5) 45*4882a593Smuzhiyun #define KEEP_SEGMENTS (1<<6) 46*4882a593Smuzhiyun #define CAN_USE_HEAP (1<<7) 47*4882a593Smuzhiyun __u16 setup_move_size; 48*4882a593Smuzhiyun __u32 code32_start; 49*4882a593Smuzhiyun __u32 ramdisk_image; 50*4882a593Smuzhiyun __u32 ramdisk_size; 51*4882a593Smuzhiyun __u32 bootsect_kludge; 52*4882a593Smuzhiyun __u16 heap_end_ptr; 53*4882a593Smuzhiyun __u8 ext_loader_ver; 54*4882a593Smuzhiyun __u8 ext_loader_type; 55*4882a593Smuzhiyun __u32 cmd_line_ptr; 56*4882a593Smuzhiyun __u32 initrd_addr_max; 57*4882a593Smuzhiyun __u32 kernel_alignment; 58*4882a593Smuzhiyun __u8 relocatable_kernel; 59*4882a593Smuzhiyun __u8 _pad2[3]; 60*4882a593Smuzhiyun __u32 cmdline_size; 61*4882a593Smuzhiyun __u32 hardware_subarch; 62*4882a593Smuzhiyun __u64 hardware_subarch_data; 63*4882a593Smuzhiyun __u32 payload_offset; 64*4882a593Smuzhiyun __u32 payload_length; 65*4882a593Smuzhiyun __u64 setup_data; 66*4882a593Smuzhiyun __u64 pref_address; 67*4882a593Smuzhiyun __u32 init_size; 68*4882a593Smuzhiyun __u32 handover_offset; 69*4882a593Smuzhiyun } __attribute__((packed)); 70*4882a593Smuzhiyun 71*4882a593Smuzhiyun struct sys_desc_table { 72*4882a593Smuzhiyun __u16 length; 73*4882a593Smuzhiyun __u8 table[14]; 74*4882a593Smuzhiyun }; 75*4882a593Smuzhiyun 76*4882a593Smuzhiyun struct efi_info { 77*4882a593Smuzhiyun __u32 efi_loader_signature; 78*4882a593Smuzhiyun __u32 efi_systab; 79*4882a593Smuzhiyun __u32 efi_memdesc_size; 80*4882a593Smuzhiyun __u32 efi_memdesc_version; 81*4882a593Smuzhiyun __u32 efi_memmap; 82*4882a593Smuzhiyun __u32 efi_memmap_size; 83*4882a593Smuzhiyun __u32 efi_systab_hi; 84*4882a593Smuzhiyun __u32 efi_memmap_hi; 85*4882a593Smuzhiyun }; 86*4882a593Smuzhiyun 87*4882a593Smuzhiyun /* The so-called "zeropage" */ 88*4882a593Smuzhiyun struct boot_params { 89*4882a593Smuzhiyun struct screen_info screen_info; /* 0x000 */ 90*4882a593Smuzhiyun struct apm_bios_info apm_bios_info; /* 0x040 */ 91*4882a593Smuzhiyun __u8 _pad2[4]; /* 0x054 */ 92*4882a593Smuzhiyun __u64 tboot_addr; /* 0x058 */ 93*4882a593Smuzhiyun struct ist_info ist_info; /* 0x060 */ 94*4882a593Smuzhiyun __u8 _pad3[16]; /* 0x070 */ 95*4882a593Smuzhiyun __u8 hd0_info[16]; /* obsolete! */ /* 0x080 */ 96*4882a593Smuzhiyun __u8 hd1_info[16]; /* obsolete! */ /* 0x090 */ 97*4882a593Smuzhiyun struct sys_desc_table sys_desc_table; /* 0x0a0 */ 98*4882a593Smuzhiyun __u8 _pad4[144]; /* 0x0b0 */ 99*4882a593Smuzhiyun struct edid_info edid_info; /* 0x140 */ 100*4882a593Smuzhiyun struct efi_info efi_info; /* 0x1c0 */ 101*4882a593Smuzhiyun __u32 alt_mem_k; /* 0x1e0 */ 102*4882a593Smuzhiyun __u32 scratch; /* Scratch field! */ /* 0x1e4 */ 103*4882a593Smuzhiyun __u8 e820_entries; /* 0x1e8 */ 104*4882a593Smuzhiyun __u8 eddbuf_entries; /* 0x1e9 */ 105*4882a593Smuzhiyun __u8 edd_mbr_sig_buf_entries; /* 0x1ea */ 106*4882a593Smuzhiyun __u8 _pad6[6]; /* 0x1eb */ 107*4882a593Smuzhiyun struct setup_header hdr; /* setup header */ /* 0x1f1 */ 108*4882a593Smuzhiyun __u8 _pad7[0x290-0x1f1-sizeof(struct setup_header)]; 109*4882a593Smuzhiyun __u32 edd_mbr_sig_buffer[EDD_MBR_SIG_MAX]; /* 0x290 */ 110*4882a593Smuzhiyun struct e820entry e820_map[E820MAX]; /* 0x2d0 */ 111*4882a593Smuzhiyun __u8 _pad8[48]; /* 0xcd0 */ 112*4882a593Smuzhiyun struct edd_info eddbuf[EDDMAXNR]; /* 0xd00 */ 113*4882a593Smuzhiyun __u8 _pad9[276]; /* 0xeec */ 114*4882a593Smuzhiyun } __attribute__((packed)); 115*4882a593Smuzhiyun 116*4882a593Smuzhiyun enum { 117*4882a593Smuzhiyun X86_SUBARCH_PC = 0, 118*4882a593Smuzhiyun X86_SUBARCH_LGUEST, 119*4882a593Smuzhiyun X86_SUBARCH_XEN, 120*4882a593Smuzhiyun X86_SUBARCH_INTEL_MID, 121*4882a593Smuzhiyun X86_SUBARCH_CE4100, 122*4882a593Smuzhiyun X86_NR_SUBARCHS, 123*4882a593Smuzhiyun }; 124*4882a593Smuzhiyun #endif /* _ASM_X86_BOOTPARAM_H */ 125