mirror of
https://github.com/RGBCube/serenity
synced 2025-05-31 11:18:11 +00:00
7e94b090fe
This implements a simple bootloader that is capable of loading ELF64 kernel images. It does this by using QEMU/GRUB to load the kernel image from disk and pass it to our bootloader as a Multiboot module. The bootloader then parses the ELF image and sets it up appropriately. The kernel's entry point is a C++ function with architecture-native code. Co-authored-by: Liav A <liavalb@gmail.com>
30 lines
614 B
C++
30 lines
614 B
C++
/*
|
|
* Copyright (c) 2021, Gunnar Beutner <gbeutner@serenityos.org>
|
|
*
|
|
* SPDX-License-Identifier: BSD-2-Clause
|
|
*/
|
|
|
|
#pragma once
|
|
|
|
#include <AK/Platform.h>
|
|
#include <Kernel/Multiboot.h>
|
|
|
|
namespace Kernel {
|
|
|
|
struct [[gnu::packed]] BootInfo {
|
|
u8 const* start_of_prekernel_image;
|
|
u8 const* end_of_prekernel_image;
|
|
FlatPtr kernel_base;
|
|
multiboot_info* multiboot_info_ptr;
|
|
#if ARCH(X86_64)
|
|
u32 gdt64ptr;
|
|
u16 code64_sel;
|
|
FlatPtr boot_pml4t;
|
|
#endif
|
|
FlatPtr boot_pdpt;
|
|
FlatPtr boot_pd0;
|
|
FlatPtr boot_pd_kernel;
|
|
FlatPtr boot_pd_kernel_pt1023;
|
|
char const* kernel_cmdline;
|
|
};
|
|
}
|