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#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/setup_indirect types */
#define SETUP_NONE 0
#define SETUP_E820_EXT 1
#define SETUP_DTB 2
#define SETUP_PCI 3
#define SETUP_EFI 4
#define SETUP_APPLE_PROPERTIES 5
#define SETUP_JAILHOUSE 6
#define SETUP_CC_BLOB 7
#define SETUP_IMA 8
#define SETUP_RNG_SEED 9
#define SETUP_ENUM_MAX SETUP_RNG_SEED
#define SETUP_INDIRECT BIT(31)
#define SETUP_TYPE_MAX (SETUP_ENUM_MAX | SETUP_INDIRECT)
/* ram_size flags */
#define RAMDISK_IMAGE_START_MASK 0x07FF
#define RAMDISK_PROMPT_FLAG 0x8000
#define RAMDISK_LOAD_FLAG 0x4000
/* loadflags */
#define LOADED_HIGH BIT(0)
#define KASLR_FLAG BIT(1)
#define QUIET_FLAG BIT(5)
#define KEEP_SEGMENTS BIT(6)
#define CAN_USE_HEAP BIT(7)
#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)
/* extensible setup data list node */
struct setup_data {
__u64 next;
__u32 type;
__u32 len;
__u8 data[];
};
/* extensible setup indirect data node */
struct setup_indirect {
__u32 type;
__u32 reserved; /* Reserved, must be set to zero. */
__u64 len;
__u64 addr;
};
/**
* struct setup_header - Information needed by Linux to boot
*
* See https://www.kernel.org/doc/html/latest/arch/x86/boot.html
*/
struct setup_header {
__u8 setup_sects;
__u16 root_flags;
__u32 syssize;
__u16 ram_size;
__u16 vid_mode;
__u16 root_dev;
__u16 boot_flag;
__u16 jump;
__u32 header;
__u16 version;
__u32 realmode_swtch;
__u16 start_sys_seg;
__u16 kernel_version;
__u8 type_of_loader;
__u8 loadflags;
__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;
__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 */
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