bern_arch/
core.rs

1//! CPU core peripherals.
2
3/// Execution modes of the CPU.
4pub enum ExecMode {
5    /// Kernel is active, e.g. syscall or ISR.
6    Kernel,
7    /// CPU is in thread mode.
8    Thread,
9}
10
11/// CPU core peripherals.
12pub trait ICore {
13    /// Setup core peripherals and return core object.
14    fn new() -> Self;
15    /// Set the system tick divisor.
16    fn set_systick_div(&mut self, divisor: u32);
17    /// Start peripherals used by kernel.
18    fn start(&mut self);
19    /// Break point instruction.
20    fn bkpt();
21    /// CPU execution mode.
22    fn execution_mode() -> ExecMode;
23    /// Returns true if the CPU is processing an interrupt.
24    fn is_in_interrupt() -> bool;
25    /// Cycles counted by CPU for debug purposes.
26    fn debug_time() -> u32;
27}
bern_arch/core.rs

bern_arch/
core.rs
