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bztsrc--bootboot/x86_64-bios/bootboot.inc
2019-03-10 14:24:26 +01:00

117 lines
3.2 KiB
PHP

;*
;* x86_64-bios/bootboot.inc
;*
;* Copyright (C) 2017 - 2019 bzt (bztsrc@gitlab)
;*
;* Permission is hereby granted, free of charge, to any person
;* obtaining a copy of this software and associated documentation
;* files (the "Software"), to deal in the Software without
;* restriction, including without limitation the rights to use, copy,
;* modify, merge, publish, distribute, sublicense, and/or sell copies
;* of the Software, and to permit persons to whom the Software is
;* furnished to do so, subject to the following conditions:
;*
;* The above copyright notice and this permission notice shall be
;* included in all copies or substantial portions of the Software.
;*
;* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
;* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
;* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
;* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
;* HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
;* WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
;* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
;* DEALINGS IN THE SOFTWARE.
;*
;* This file is part of the BOOTBOOT Protocol package.
;* @brief The BOOTBOOT structure
;*
; ------ !!! WARNING: MUST MATCH ../bootboot.h !!! ------
bootboot = 8000h
; this define is in the 18th line of bootboot.h
bootboot_MAGIC equ 'BOOT'
; minimum protocol level:
; hardcoded kernel name, static kernel memory addresses
PROTOCOL_MINIMAL equ 0
; static protocol level:
; kernel name parsed from environment, static kernel memory addresses
PROTOCOL_STATIC equ 1
; dynamic protocol level:
; kernel name parsed from environment, kernel memory addresses parsed from ELF symbols
PROTOCOL_DYNAMIC equ 2
; big-endian flag
PROTOCOL_BIGENDIAN equ 080h
; loader types, just informational
LOADER_BIOS equ 0
LOADER_UEFI equ 4
LOADER_RPI equ 8
; framebuffer pixel format, only 32 bits supported
FB_ARGB equ 0
FB_RGBA equ 1
FB_ABGR equ 2
FB_BGRA equ 3
; mmap entry, type is stored in least significant tetrad of size
virtual at 0
mmap_ent.ptr: dq 0
mmap_ent.size: dq 0
end virtual
; we don't have entry field macros for asm
; realsize = size & 0xFFFFFFFFFFF0
; type = size & 0xF
MMAP_USED equ 0
MMAP_FREE equ 1
MMAP_ACPI equ 2
MMAP_MMIO equ 3
INITRD_MAXSIZE equ 16 ; Mb
virtual at bootboot
; first 64 bytes is platform independent
bootboot.magic: dd 0
bootboot.size: dd 0
bootboot.protocol: db 1
bootboot.fb_type: db 0
bootboot.numcores: dw 0
bootboot.bspid: dw 0
bootboot.timezone: dw 0
bootboot.datetime: dq 0
bootboot.initrd_ptr: dq 0
bootboot.initrd_size: dq 0
bootboot.fb_ptr: dq 0
bootboot.fb_size: dd 0
bootboot.fb_width: dd 0
bootboot.fb_height: dd 0
bootboot.fb_scanline: dd 0
; the rest (64 bytes) is platform specific
; x86_64
bootboot.acpi_ptr: dq 0
bootboot.smbi_ptr: dq 0
bootboot.efi_ptr: dq 0
bootboot.mp_ptr: dq 0
bootboot.unused: dq 0,0,0,0
bootboot.mmap:
end virtual