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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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9
Meta/debug-kernel.sh
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@ -10,12 +10,19 @@
#
if [ "$SERENITY_ARCH" = "x86_64" ]; then
gdb_arch=i386:x86-64
prekernel_image=Prekernel64
kernel_base=0x2000200000
else
gdb_arch=i386:intel
prekernel_image=Prekernel
kernel_base=0xc0200000
fi
exec $SERENITY_KERNEL_DEBUGGER \
-ex "file $(dirname "$0")/../Build/${SERENITY_ARCH:-i686}/Kernel/Kernel" \
-ex "file $(dirname "$0")/../Build/${SERENITY_ARCH:-i686}/Kernel/Prekernel/$prekernel_image" \
-ex "set confirm off" \
-ex "add-symbol-file $(dirname "$0")/../Build/${SERENITY_ARCH:-i686}/Kernel/Kernel -o $kernel_base" \
-ex "set confirm on" \
-ex "set arch $gdb_arch" \
-ex 'target remote localhost:1234' \
-ex "source $(dirname "$0")/serenity_gdb.py" \