ladybird/Kernel/BootInfo.h
Idan Horowitz e18632660f Kernel: Use the pre-image kernel memory range introduced by KASLR
This ensures we don't just waste the memory range between the default
base load address and the actual load address that was shifted by the
KASLR offset.
2022-03-22 16:46:51 +01:00

43 lines
1.4 KiB
C++

/*
* Copyright (c) 2021, Gunnar Beutner <gbeutner@serenityos.org>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#pragma once
#include <Kernel/Multiboot.h>
#include <Kernel/PhysicalAddress.h>
#include <Kernel/VirtualAddress.h>
namespace Kernel {
class PageTableEntry;
}
extern "C" PhysicalAddress start_of_prekernel_image;
extern "C" PhysicalAddress end_of_prekernel_image;
extern "C" size_t physical_to_virtual_offset;
extern "C" FlatPtr kernel_mapping_base;
extern "C" FlatPtr default_kernel_load_base;
extern "C" FlatPtr kernel_load_base;
#if ARCH(X86_64)
extern "C" u32 gdt64ptr;
extern "C" u16 code64_sel;
extern "C" PhysicalAddress boot_pml4t;
#endif
extern "C" PhysicalAddress boot_pdpt;
extern "C" PhysicalAddress boot_pd0;
extern "C" PhysicalAddress boot_pd_kernel;
extern "C" Kernel::PageTableEntry* boot_pd_kernel_pt1023;
extern "C" const char* kernel_cmdline;
extern "C" u32 multiboot_flags;
extern "C" multiboot_memory_map_t* multiboot_memory_map;
extern "C" size_t multiboot_memory_map_count;
extern "C" multiboot_module_entry_t* multiboot_modules;
extern "C" size_t multiboot_modules_count;
extern "C" PhysicalAddress multiboot_framebuffer_addr;
extern "C" u32 multiboot_framebuffer_pitch;
extern "C" u32 multiboot_framebuffer_width;
extern "C" u32 multiboot_framebuffer_height;
extern "C" u8 multiboot_framebuffer_bpp;
extern "C" u8 multiboot_framebuffer_type;