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Kernel: Make the kernel independent from specific physical addresses

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Previously the kernel relied on a fixed offset between virtual and
physical addresses based on the kernel's load address. This allows us
to specify an independent offset.
This commit is contained in:
Gunnar Beutner 2021-07-22 13:05:04 +02:00 • committed by Andreas Kling
parent c4887882cc
commit 3c616ae00f
5 changed files with 7 additions and 2 deletions
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1
Kernel/BootInfo.h
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@ -12,6 +12,7 @@
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;
#if ARCH(X86_64)
extern "C" u32 gdt64ptr;