rCore-Tutorial-v3: https://github.com/rcore-os/rCore-Tutorial-v3
rCore-Tutorial-Book-v3 (Chinese): https://rcore-os.github.io/rCore-Tutorial-Book-v3/
-
Toolchain:
riscv64-unknown-elf-* -
Emulator: QEMU 5.0.0
To select a certain chapter,
git tag
git checkout ch*
To build rcc kernel, enter os directory and then
make
To run rcc kernel in QEMU, enter os directory and then
make run
- Debugger:
gdb-multiarch(riscv64-unknown-elf-gdbalso works)
Enter os directory and then
make debug-run
In another terminal, enter os directory and then
make debug-gdb
Create tasks.json and launch.json under .vscode directory as follows.
// tasks.json
{
"version": "2.0.0",
"tasks": [
{
"label": "qemu debug-run",
"type": "shell",
"command": "echo Starting QEMU & cd ${workspaceFolder}/os && make debug-run",
"isBackground": true,
"problemMatcher": {
"pattern": {
"regexp": "^(Starting QEMU)",
"line": 1,
},
"background": {
"activeOnStart": true,
"beginsPattern": "^(Starting QEMU)",
"endsPattern": "^(Starting QEMU)"
}
}
}
]
}
// launch.json
{
"version": "0.2.0",
"configurations": [
{
"name": "rcc-kernel-debug",
"type": "cppdbg",
"request": "launch",
"program": "${workspaceFolder}/os/build/rcc.elf",
"args": [],
"stopAtEntry": false,
"cwd": "${workspaceFolder}/os",
"environment": [],
"externalConsole": false,
"MIMode": "gdb",
"miDebuggerPath": "/usr/bin/gdb-multiarch",
"miDebuggerServerAddress": "localhost:1234",
"preLaunchTask": "qemu debug-run",
}
]
}rcc project is not built from scratch. During the development of rcc, part of the source code or ideas is referred from other online courses or open source projects.