interrupt_base.h

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#pragma once
 
#include <cpu_io.h>
#include <etl/delegate.h>
 
#include <cstdint>
 
#include "expected.hpp"
 
class InterruptBase {
 public:
  using InterruptDelegate =
      etl::delegate<uint64_t(uint64_t, cpu_io::TrapContext*)>;
 
  InterruptBase() = default;
  InterruptBase(const InterruptBase&) = delete;
  InterruptBase(InterruptBase&&) = delete;
  auto operator=(const InterruptBase&) -> InterruptBase& = delete;
  auto operator=(InterruptBase&&) -> InterruptBase& = delete;
  virtual ~InterruptBase() = default;
 
  virtual auto Do(uint64_t, cpu_io::TrapContext*) -> void = 0;
 
  virtual auto RegisterInterruptFunc(uint64_t cause, InterruptDelegate func)
      -> void = 0;
 
  [[nodiscard]] virtual auto SendIpi(uint64_t target_cpu_mask)
      -> Expected<void> = 0;
 
  [[nodiscard]] virtual auto BroadcastIpi() -> Expected<void> = 0;
 
  [[nodiscard]] virtual auto RegisterExternalInterrupt(
      uint32_t irq, uint32_t cpu_id, uint32_t priority,
      InterruptDelegate handler) -> Expected<void> = 0;
};