| #ifndef _ASM_X86_BOOTPARAM_H |
| #define _ASM_X86_BOOTPARAM_H |
| |
| #include <linux/types.h> |
| #include <linux/screen_info.h> |
| #include <linux/apm_bios.h> |
| #include <linux/edd.h> |
| #include <asm/e820.h> |
| #include <asm/ist.h> |
| #include <asm/video/edid.h> |
| |
| /* setup data types */ |
| enum { |
| SETUP_NONE = 0, |
| SETUP_E820_EXT, |
| SETUP_DTB, |
| }; |
| |
| /* extensible setup data list node */ |
| struct setup_data { |
| __u64 next; |
| __u32 type; |
| __u32 len; |
| __u8 data[0]; |
| }; |
| |
| /** |
| * struct setup_header - Information needed by Linux to boot |
| * |
| * See https://www.kernel.org/doc/html/latest/x86/boot.html |
| */ |
| struct setup_header { |
| __u8 setup_sects; |
| __u16 root_flags; |
| __u32 syssize; |
| __u16 ram_size; |
| #define RAMDISK_IMAGE_START_MASK 0x07FF |
| #define RAMDISK_PROMPT_FLAG 0x8000 |
| #define RAMDISK_LOAD_FLAG 0x4000 |
| __u16 vid_mode; |
| __u16 root_dev; |
| __u16 boot_flag; |
| __u16 jump; |
| __u32 header; |
| __u16 version; |
| __u32 realmode_swtch; |
| __u16 start_sys; |
| __u16 kernel_version; |
| __u8 type_of_loader; |
| __u8 loadflags; |
| #define LOADED_HIGH BIT(0) |
| #define KASLR_FLAG BIT(1) |
| #define QUIET_FLAG BIT(5) |
| #define KEEP_SEGMENTS BIT(6) /* Obsolete */ |
| #define CAN_USE_HEAP BIT(7) |
| __u16 setup_move_size; |
| __u32 code32_start; |
| __u32 ramdisk_image; |
| __u32 ramdisk_size; |
| __u32 bootsect_kludge; /* Obsolete */ |
| __u16 heap_end_ptr; |
| __u8 ext_loader_ver; |
| __u8 ext_loader_type; |
| __u32 cmd_line_ptr; |
| __u32 initrd_addr_max; |
| __u32 kernel_alignment; |
| __u8 relocatable_kernel; |
| u8 min_alignment; |
| #define XLF_KERNEL_64 BIT(0) |
| #define XLF_CAN_BE_LOADED_ABOVE_4G BIT(1) |
| #define XLF_EFI_HANDOVER_32 BIT(2) |
| #define XLF_EFI_HANDOVER_64 BIT(3) |
| #define XLF_EFI_KEXEC BIT(4) |
| u16 xloadflags; |
| __u32 cmdline_size; |
| __u32 hardware_subarch; |
| __u64 hardware_subarch_data; |
| __u32 payload_offset; |
| __u32 payload_length; |
| __u64 setup_data; |
| __u64 pref_address; |
| __u32 init_size; |
| __u32 handover_offset; |
| u32 kernel_info_offset; |
| } __attribute__((packed)); |
| |
| struct sys_desc_table { |
| __u16 length; |
| __u8 table[14]; |
| }; |
| |
| struct efi_info { |
| __u32 efi_loader_signature; |
| __u32 efi_systab; |
| __u32 efi_memdesc_size; |
| __u32 efi_memdesc_version; |
| __u32 efi_memmap; |
| __u32 efi_memmap_size; |
| __u32 efi_systab_hi; |
| __u32 efi_memmap_hi; |
| }; |
| |
| /* The so-called "zeropage" */ |
| struct boot_params { |
| struct screen_info screen_info; /* 0x000 */ |
| struct apm_bios_info apm_bios_info; /* 0x040 */ |
| __u8 _pad2[4]; /* 0x054 */ |
| __u64 tboot_addr; /* 0x058 */ |
| struct ist_info ist_info; /* 0x060 */ |
| __u64 acpi_rsdp_addr; /* 0x070 */ |
| __u8 _pad3[8]; /* 0x078 */ |
| __u8 hd0_info[16]; /* obsolete! */ /* 0x080 */ |
| __u8 hd1_info[16]; /* obsolete! */ /* 0x090 */ |
| struct sys_desc_table sys_desc_table; /* 0x0a0 */ |
| __u8 _pad4[144]; /* 0x0b0 */ |
| struct edid_info edid_info; /* 0x140 */ |
| struct efi_info efi_info; /* 0x1c0 */ |
| __u32 alt_mem_k; /* 0x1e0 */ |
| __u32 scratch; /* Scratch field! */ /* 0x1e4 */ |
| __u8 e820_entries; /* 0x1e8 */ |
| __u8 eddbuf_entries; /* 0x1e9 */ |
| __u8 edd_mbr_sig_buf_entries; /* 0x1ea */ |
| __u8 _pad6[6]; /* 0x1eb */ |
| struct setup_header hdr; /* setup header */ /* 0x1f1 */ |
| __u8 _pad7[0x290-0x1f1-sizeof(struct setup_header)]; |
| __u32 edd_mbr_sig_buffer[EDD_MBR_SIG_MAX]; /* 0x290 */ |
| struct e820_entry e820_map[E820MAX]; /* 0x2d0 */ |
| __u8 _pad8[48]; /* 0xcd0 */ |
| struct edd_info eddbuf[EDDMAXNR]; /* 0xd00 */ |
| __u8 _pad9[276]; /* 0xeec */ |
| } __attribute__((packed)); |
| |
| enum { |
| X86_SUBARCH_PC = 0, |
| X86_SUBARCH_LGUEST, |
| X86_SUBARCH_XEN, |
| X86_SUBARCH_INTEL_MID, |
| X86_SUBARCH_CE4100, |
| X86_NR_SUBARCHS, |
| }; |
| #endif /* _ASM_X86_BOOTPARAM_H */ |