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https://github.com/LadybirdBrowser/ladybird.git
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897c4e5145
The new baked image is a Prekernel and a Kernel baked together now, so essentially we no longer need to pass the Prekernel as -kernel and the actual kernel image as -initrd to QEMU, leaving the option to pass an actual initrd or initramfs module later on with multiboot.
58 lines
1.5 KiB
C++
58 lines
1.5 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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#ifdef __cplusplus
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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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#endif
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#define MAX_KERNEL_SIZE 0x4000000
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#define KERNEL_PD_SIZE 0x31000000
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// FIXME: This should be using the define from Sections.h, but that currently is not possible
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// and causes linker errors, because Sections.h includes BootInfo.h.
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#define KERNEL_MAPPING_BASE 0x2000000000
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#ifdef __cplusplus
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namespace Kernel {
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struct [[gnu::packed]] BootInfo {
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u32 start_of_prekernel_image;
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u32 end_of_prekernel_image;
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u64 physical_to_virtual_offset;
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u64 kernel_mapping_base;
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u64 kernel_load_base;
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# if ARCH(X86_64)
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u32 gdt64ptr;
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u16 code64_sel;
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u32 boot_pml4t;
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# endif
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u32 boot_pdpt;
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u32 boot_pd0;
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u32 boot_pd_kernel;
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u64 boot_pd_kernel_pt1023;
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u64 kernel_cmdline;
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u32 multiboot_flags;
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u64 multiboot_memory_map;
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u32 multiboot_memory_map_count;
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u64 multiboot_modules_physical_ptr;
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u32 multiboot_modules_count;
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u32 multiboot_module_ramdisk_physical_start;
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u32 multiboot_module_ramdisk_physical_end;
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u32 multiboot_module_ramdisk_physical_string_addr;
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u64 multiboot_framebuffer_addr;
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u32 multiboot_framebuffer_pitch;
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u32 multiboot_framebuffer_width;
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u32 multiboot_framebuffer_height;
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u8 multiboot_framebuffer_bpp;
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u8 multiboot_framebuffer_type;
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};
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}
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#endif
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