Trait r3_port_riscv::EntryPoint

pub trait EntryPoint {
    const TRAP_HANDLER: unsafe extern "C" fn() -> !;

    // Required method
    unsafe fn start() -> !;
}

Defines the entry points of a port instantiation. Implemented by use_port!.

Required Associated Constants

const TRAP_HANDLER: unsafe extern "C" fn() -> !

The trap handler.

It’s aligned to a 4-byte boundary so that it can be set to mtvec.

Safety

• The processor should be in the privilege mode specified by ThreadingOptions::PRIVILEGE_LEVEL and have interrupts masked for this privilege level
• The register state of the background context should be preserved so that the handler can restore it later.

Required Methods

unsafe fn start() -> !

Proceed with the boot process.

Safety

• The processor should be in the privilege mode specified by ThreadingOptions::PRIVILEGE_LEVEL and have interrupts masked for this privilege level.
• This method hasn’t been entered yet.

Implementors