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