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Kernel: Introduce basic pre-kernel environment

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This implements a simple bootloader that is capable of loading ELF64
kernel images. It does this by using QEMU/GRUB to load the kernel image
from disk and pass it to our bootloader as a Multiboot module.

The bootloader then parses the ELF image and sets it up appropriately.
The kernel's entry point is a C++ function with architecture-native
code.

Co-authored-by: Liav A <liavalb@gmail.com>
This commit is contained in:
Gunnar Beutner 2021-07-18 14:47:32 +02:00 • committed by Andreas Kling
parent 357ddd393e
commit 7e94b090fe
30 changed files with 1207 additions and 181 deletions
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4
Meta/debug-kernel.sh
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@ -10,14 +10,12 @@
#
if [ "$SERENITY_ARCH" = "x86_64" ]; then
gdb_arch=i386:x86-64
kernel_binary=Kernel64
else
gdb_arch=i386:intel
kernel_binary=Kernel
fi
exec $SERENITY_KERNEL_DEBUGGER \
-ex "file $(dirname "$0")/../Build/${SERENITY_ARCH:-i686}/Kernel/$kernel_binary" \
-ex "file $(dirname "$0")/../Build/${SERENITY_ARCH:-i686}/Kernel/Kernel" \
-ex "set arch $gdb_arch" \
-ex 'target remote localhost:1234' \
-ex "source $(dirname "$0")/serenity_gdb.py" \