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my os

Árbol: 980f18bf51
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greatbridf_os
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greatbridf 980f18bf51 fix: add smp boot option to qemu run hace 3 semanas
.cargo 1f7bed61dd feat: rust support hace 3 meses
arch 13f7fff46d Merge branch 'multiarch' hace 3 semanas
doc 256aa9d443 feat: make TSS and GDT per cpu hace 3 semanas
gblibc 6ecf5b4237 fix build bug in gblibc hace 4 semanas
gblibstdc++ f952057453 change(vector): emplace_back should return a ref hace 3 meses
include 68afbfce01 feat: set ap cpus online in scheduler! hace 3 semanas
src e6365b41be fix(page_fault): potential skipped free in page fault handler hace 3 semanas
user-space-program b43277c46c refactor: rewrite fs submodule with rust hace 2 meses
.clang-format ae698248ee [partial] feat: add sync stuffs hace 1 mes
.gitignore 1f7bed61dd feat: rust support hace 3 meses
.rustfmt.toml ae698248ee [partial] feat: add sync stuffs hace 1 mes
CMakeLists.txt bfcf57b9a0 prepare the memory layout for smp cpu init hace 3 semanas
Cargo.lock 13f7fff46d Merge branch 'multiarch' hace 3 semanas
Cargo.toml cbceec6084 feat: add percpu variables hace 3 semanas
Makefile.src 980f18bf51 fix: add smp boot option to qemu run hace 3 semanas
README.md a8adfd1dfc chore: add READM.md hace 1 mes
bochs.conf 7b880566be protected mode hace 3 años
build.rs b43277c46c refactor: rewrite fs submodule with rust hace 2 meses
busybox 915f90251e feat(image): add busybox to mount image hace 1 año
busybox-minimal 915f90251e feat(image): add busybox to mount image hace 1 año
configure a8adfd1dfc chore: add READM.md hace 1 mes
gdb-usage.txt c07460aae0 chore: gdb notes hace 3 años
global_find.sh 13f7fff46d Merge branch 'multiarch' hace 3 semanas
init_script.sh 1977d04c21 fix(tty): some abnormal behavior in tty job control ops. hace 4 semanas
make_symbol_table.sh d6716c631d chore: use qemu for debugging hace 3 años
pretty-print.py 58eb82d5b3 feat(driver): add e1000e driver hace 3 meses
rust-toolchain 1f7bed61dd feat: rust support hace 3 meses
x86_64-unknown-none.json 1f7bed61dd feat: rust support hace 3 meses

README.md

gbos

A simple OS kernel written in C++ and Rust that aims to be Linux compatible out of the box.

  • Multitasking
  • Memory management
  • Filesystem implementation
  • ELF program loader
  • Some rather naive AHCI driver and FAT32 impl.
  • TTY and job control interface (partially working)
  • Move to Rust (WIP)
  • SMP support (WIP)
  • POSIX thread support (WIP)
  • Network stack (WIP)
  • Dynamic loader support
  • Users, permission...

Build & Run

Prerequisites

Compile

Generate disk image

Debug and Run

Build and Run

./configure && make prepare && make build

make nativerun

# or if you need debugging

# 1:
make srun

# 2:
make debug

You may want to specify the correct version of build tools to use when running ./configure in ENV.

  • QEMU: QEMU used to debug run. qemu-system-x86_64 by default.
  • GDB: GDB used by make debug. We will search for gdb and x86_64-elf-gdb and check the supported archs by default.
  • FDISK_BIN: fdisk executable used to create disk image part tables. fdisk by default.

If you are doing a cross compile, run ./configure with CROSS_COMPILE set to the corresponding target triple of your cross compiler.

Run your own program

The user directory under the project dir exists mainly for some historical reason and has almost no use. So don't ever try to look inside that.

To copy your program into the built disk image, you can edit the CMakeLists.txt and add a line to the boot.img section. You can also try editing the init_script.sh to customize the booting procedure.