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Kernel: Support loading the kernel at almost arbitrary virtual addresses

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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
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7
Kernel/Prekernel/boot.S
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@ -31,8 +31,11 @@ boot_pd0_pts:
.global boot_pd_kernel
boot_pd_kernel:
.skip 4096
.global boot_pd_kernel_pts
boot_pd_kernel_pts:
.global boot_pd_kernel_pt0
boot_pd_kernel_pt0:
.skip 4096
.global boot_pd_kernel_image_pts
boot_pd_kernel_image_pts:
.skip 4096 * (MAX_KERNEL_SIZE >> 21)
.global boot_pd_kernel_pt1023
boot_pd_kernel_pt1023: