#![no_std]

use domain::memory::MemoryRegion;
use types::{
    address::{EntryPoint, PhysicalAddress, StackPointer, VirtualAddress},
    bounded::PageCount,
    id::{CoreId, IrqId, ProcessId},
    permission::PermissionSet,
    time::{Ticks, TimerDuration},
};

pub trait Platform {
    fn configure_protection(&mut self, process: ProcessId, regions: &[MemoryRegion]);
    fn enable_user_mode(&mut self, entry: EntryPoint, stack: StackPointer) -> !;
    fn set_timer(&mut self, duration: TimerDuration);
    fn current_ticks(&self) -> Ticks;
    fn mask_irq(&mut self, irq: IrqId);
    fn unmask_irq(&mut self, irq: IrqId);
    fn send_ipi(&mut self, target: CoreId);
    fn core_id(&self) -> CoreId;
    fn num_cores(&self) -> u8;
    fn map_shared(
        &mut self,
        process: ProcessId,
        base: PhysicalAddress,
        size: PageCount,
        permissions: PermissionSet,
    );
    fn halt(&self) -> !;
    fn debug_putchar(&self, byte: u8);
    fn translate_va(&self, process: ProcessId, va: VirtualAddress) -> Option<PhysicalAddress>;
    fn map_user_page(
        &mut self,
        process: ProcessId,
        va: VirtualAddress,
        pa: PhysicalAddress,
        writable: bool,
        executable: bool,
    );
}