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Kernel: Support loading the kernel at almost arbitrary virtual addresses

This enables further work on implementing KASLR by adding relocation
support to the pre-kernel and updating the kernel to be less dependent
on specific virtual memory layouts.
This commit is contained in:
Gunnar Beutner 2021-07-26 15:10:51 +02:00 committed by Andreas Kling
parent e3d2ca6bd2
commit 57417a3d6e
20 changed files with 123 additions and 87 deletions

View file

@ -14,7 +14,8 @@
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_base;
extern "C" FlatPtr kernel_mapping_base;
extern "C" FlatPtr kernel_load_base;
#if ARCH(X86_64)
extern "C" u32 gdt64ptr;
extern "C" u16 code64_sel;