Rcore Documentation _hot_ -

rcore::debug!("Allocated frame at :#x", frame_addr); Run with QEMU + GDB:

make test Integration test (user programs):

make debug # In another terminal: riscv64-unknown-elf-gdb target/rcore.elf (gdb) target remote :1234 (gdb) b handle_trap (gdb) c Add rcore_backtrace crate and use: rcore documentation

[fs] disk_image = "disk.img" max_files = 64 Logging Enable debug output:

[memory] kernel_base = "0x80200000" heap_size = "32MB" [scheduler] quantum_ms = 10 priority_boost_ms = 200 rcore::debug

Assuming is an educational OS/kernel written in Rust, here is the documentation content: rCore Documentation Overview rCore is a minimal, modular operating system kernel written in Rust , designed for educational purposes and embedded systems. It demonstrates core OS concepts including memory management, process scheduling, interrupts, and file systems—while leveraging Rust’s memory safety and concurrency features.

rCore v0.1.0 hello from kernel init process started shell> rCore follows a microkernel-like structure with modular subsystems: rcore::debug!("Allocated frame at :#x"

A: Add to syscall.rs , assign a new ID, and update the handler match arm.