Orange Pi5 kernel

^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  1) .. SPDX-License-Identifier: GPL-2.0
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  2) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  3) =========
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  4) Zero Page
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  5) =========
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  6) The additional fields in struct boot_params as a part of 32-bit boot
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  7) protocol of kernel. These should be filled by bootloader or 16-bit
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  8) real-mode setup code of the kernel. References/settings to it mainly
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  9) are in::
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 10) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 11)   arch/x86/include/uapi/asm/bootparam.h
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 12) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 13) ===========	=====	=======================	=================================================
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 14) Offset/Size	Proto	Name			Meaning
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 15) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 16) 000/040		ALL	screen_info		Text mode or frame buffer information
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 17) 						(struct screen_info)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 18) 040/014		ALL	apm_bios_info		APM BIOS information (struct apm_bios_info)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 19) 058/008		ALL	tboot_addr      	Physical address of tboot shared page
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 20) 060/010		ALL	ist_info		Intel SpeedStep (IST) BIOS support information
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 21) 						(struct ist_info)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 22) 080/010		ALL	hd0_info		hd0 disk parameter, OBSOLETE!!
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 23) 090/010		ALL	hd1_info		hd1 disk parameter, OBSOLETE!!
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 24) 0A0/010		ALL	sys_desc_table		System description table (struct sys_desc_table),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 25) 						OBSOLETE!!
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 26) 0B0/010		ALL	olpc_ofw_header		OLPC's OpenFirmware CIF and friends
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 27) 0C0/004		ALL	ext_ramdisk_image	ramdisk_image high 32bits
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 28) 0C4/004		ALL	ext_ramdisk_size	ramdisk_size high 32bits
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 29) 0C8/004		ALL	ext_cmd_line_ptr	cmd_line_ptr high 32bits
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 30) 140/080		ALL	edid_info		Video mode setup (struct edid_info)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 31) 1C0/020		ALL	efi_info		EFI 32 information (struct efi_info)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 32) 1E0/004		ALL	alt_mem_k		Alternative mem check, in KB
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 33) 1E4/004		ALL	scratch			Scratch field for the kernel setup code
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 34) 1E8/001		ALL	e820_entries		Number of entries in e820_table (below)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 35) 1E9/001		ALL	eddbuf_entries		Number of entries in eddbuf (below)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 36) 1EA/001		ALL	edd_mbr_sig_buf_entries	Number of entries in edd_mbr_sig_buffer
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 37) 						(below)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 38) 1EB/001		ALL     kbd_status      	Numlock is enabled
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 39) 1EC/001		ALL     secure_boot		Secure boot is enabled in the firmware
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 40) 1EF/001		ALL	sentinel		Used to detect broken bootloaders
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 41) 290/040		ALL	edd_mbr_sig_buffer	EDD MBR signatures
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 42) 2D0/A00		ALL	e820_table		E820 memory map table
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 43) 						(array of struct e820_entry)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 44) D00/1EC		ALL	eddbuf			EDD data (array of struct edd_info)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 45) ===========	=====	=======================	=================================================