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Methylenix

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1.0.0

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Methylenix

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The operating system written in Rust

overview

Methylenix is an OS made up of Rust.
All are written in Rust, except for areas that are only used in assembly, such as startup initialization and I/O instructions.

What is Methylenix?

The origin of this program was when I participated as a student in the National Security Camp 2017 Intensive Course "X: Create Your Own Languages and OS."
For information on security camps, please see Security Camp: Information Technology Promotion Agency, IPA Independent Administrative Agency. We even implemented interrupts at the security camp. (Reference: Security Camp 2017 Participation Notes | PG_MANA's Miscellaneous Notes)

The name Methylenix is taken from the methylene group. We wanted to combine modules to create an application, just like organic compounds, by combining various parts, and we added "nix" to the group to create a methylene group that seems to be a good mnemonic.

current situation

Device interruptions using APIC/GICv3
Memory Paging Dynamic Management
Task Management
Multi-core compatible
Partial analysis of ACPI Table and shutdown implementation using shutdown button using AML Interpreter (partially not supported)
Simple GUI with font analysis
Reading data from NVM Express
Retrieving directories and files from GPT and FAT32/XFS
Simple application execution
NIC compatible, TCP/IP communication and Socket API provided (partially)

policy

The GUI is not generally supported (recognize devices, display debug text)
I want to create one that can accommodate multiple architectures
The goal for the time being is to start an introductory OS creation (interrupt, sound, multitasking, etc.)
Be flexible and dynamic (uses the information given by UEFI, etc.)

Supported instruction set

x86_64
AArch64

license

Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with the License. You may obtain a copy of the License at

https://www.apache.org/licenses/LICENSE-2.0

Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the specific language governing permissions and limitations under the License.

Build

Environmental improvement

Software required

make
grub2-mkrescue
rustc(nightly)
cargo

Build

x86_64

git clone https://github.com/PG-MANA/Methylenix.git
cd Methylenix
make iso
# created bin/img/boot.iso

The pre-built image can be found at https://repo.taprix.org/pg_mana/methylenix/images/x86_64.

AArch64

git clone https://github.com/PG-MANA/Methylenix.git
cd Methylenix
make TARGET_ARCH=aarch64
# created bin/EFI/BOOT/

The pre-built image can be found at https://repo.taprix.org/pg_mana/methylenix/images/aarch64/.

execution

x86_64

qemu-system-x86_64 is required.

qemu-system-x86_64 -cpu qemu64,+fsgsbase --cdrom bin/img/boot.iso

# or (OVMF)
qemu-system-x86_64 --cdrom bin/img/boot.iso -cpu qemu64,+fsgsbase -smp 2 -m 512M -bios /usr/bin/OVMF/OVMF.fd

# or (to emulate host cpu)
qemu-system-x86_64 --cdrom bin/img/boot.iso  -cpu host -smp 2 -m 512M -bios /usr/bin/OVMF/OVMF.fd --enable-kvm

# NIC and NVMe Emulation
qemu-system-x86_64 -drive if=pflash,format=raw,readonly=on,file=/path/to/OVMF_CODE.fd -drive if=pflash,format=raw,file=/path/to/QEMU_VARS.fd -m 1G -cdrom bin/img/boot.iso -smp 4 --enable-kvm -cpu host -netdev user,id=net0,hostfwd=tcp::7777-:8080 -device e1000e,netdev=net0,mac=52:54:00:12:34:56 -drive file=/path/to/img.qcow2,if=none,id=nvm -device nvme,serial=12345678,drive=nvm --boot order=d

AArch64

You will need OVMF for qemu-system-aarch64 and AArch64.

 # Modify "/usr/bin/OVMF/OVMF_AARCH64.fd" to your suitable path
qemu-system-aarch64 -m 1G -cpu a64fx -machine virt,gic-version=3 -smp 2 -nographic -bios /usr/bin/OVMF/OVMF_AARCH64.fd  -drive file=fat:rw:bin/,format=raw,media=disk