Function sys_free

kernel/src/syscalls.rs:505–519

Free a memory chunk containing the given virtual address

(
    context_ptr: *mut Context,
    virtaddr: u64
)

/// Free a memory chunk containing the given virtual address
fn sys_free(
    context_ptr: *mut Context,
    virtaddr: u64
) {
    let context = unsafe {&mut (*context_ptr)};

    match process::free_memory_chunk(VirtAddr::new(virtaddr)) {
        Ok(()) => {
            context.rax = 0; // No error
        }
        Err(code) => {
            context.rax = code;
        }
    }
}

/// Yield to another process
fn sys_yield(context_ptr: *mut Context) {