126 lines
3.2 KiB
PHP
126 lines
3.2 KiB
PHP
;*
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;* x86_64-bios/bootboot.inc
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;*
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;* Copyright (C) 2017 - 2021 bzt (bztsrc@gitlab)
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;*
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;* Permission is hereby granted, free of charge, to any person
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;* obtaining a copy of this software and associated documentation
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;* files (the "Software"), to deal in the Software without
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;* restriction, including without limitation the rights to use, copy,
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;* modify, merge, publish, distribute, sublicense, and/or sell copies
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;* of the Software, and to permit persons to whom the Software is
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;* furnished to do so, subject to the following conditions:
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;*
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;* The above copyright notice and this permission notice shall be
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;* included in all copies or substantial portions of the Software.
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;*
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;* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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;* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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;* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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;* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
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;* HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
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;* WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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;* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
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;* DEALINGS IN THE SOFTWARE.
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;*
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;* This file is part of the BOOTBOOT Protocol package.
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;* @brief The BOOTBOOT structure
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;*
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; ------ !!! WARNING: MUST MATCH ../bootboot.h !!! ------
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bootboot = 8000h
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; this define is in the 18th line of bootboot.h
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bootboot_MAGIC equ 'BOOT'
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; minimum protocol level:
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; hardcoded kernel name, static kernel memory addresses
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PROTOCOL_MINIMAL equ 0
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; static protocol level:
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; kernel name parsed from environment, static kernel memory addresses
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PROTOCOL_STATIC equ 1
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; dynamic protocol level:
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; kernel name parsed from environment, kernel memory addresses parsed from ELF symbols
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PROTOCOL_DYNAMIC equ 2
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; big-endian flag
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PROTOCOL_BIGENDIAN equ 080h
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; loader types, just informational
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LOADER_BIOS equ 0
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LOADER_UEFI equ 4
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LOADER_RPI equ 8
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LOADER_COREBOOT equ 16
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; framebuffer pixel format, only 32 bits supported
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FB_ARGB equ 0
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FB_RGBA equ 1
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FB_ABGR equ 2
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FB_BGRA equ 3
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; mmap entry, type is stored in least significant tetrad of size
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virtual at 0
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mmap_ent.ptr: dq 0
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mmap_ent.size: dq 0
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end virtual
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; we don't have entry field macros for asm
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; realsize = size & 0xFFFFFFFFFFF0
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; type = size & 0xF
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MMAP_USED equ 0
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MMAP_FREE equ 1
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MMAP_ACPI equ 2
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MMAP_MMIO equ 3
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INITRD_MAXSIZE equ 16 ; Mb
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virtual at bootboot
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; first 64 bytes is platform independent
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bootboot.magic: dd 0
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bootboot.size: dd 0
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bootboot.protocol: db 1
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bootboot.fb_type: db 0
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bootboot.numcores: dw 0
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bootboot.bspid: dw 0
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bootboot.timezone: dw 0
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bootboot.datetime: dq 0
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bootboot.initrd_ptr: dq 0
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bootboot.initrd_size: dq 0
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bootboot.fb_ptr: dq 0
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bootboot.fb_size: dd 0
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bootboot.fb_width: dd 0
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bootboot.fb_height: dd 0
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bootboot.fb_scanline: dd 0
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; the rest (64 bytes) is platform specific
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; x86_64
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bootboot.acpi_ptr: dq 0
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bootboot.smbi_ptr: dq 0
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bootboot.efi_ptr: dq 0
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bootboot.mp_ptr: dq 0
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bootboot.unused: dq 0,0,0,0
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bootboot.mmap:
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end virtual
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