banan-os/kernel/include/kernel/Thread.h

65 lines
1.5 KiB
C++

#pragma once
#include <BAN/Function.h>
#include <BAN/NoCopyMove.h>
namespace Kernel
{
class Thread
{
BAN_NON_COPYABLE(Thread);
BAN_NON_MOVABLE(Thread);
public:
enum class State
{
NotStarted,
Running,
Paused,
Done,
};
public:
#pragma GCC diagnostic push
#pragma GCC diagnostic ignored "-Wpmf-conversions"
template<typename... Args>
Thread(const BAN::Function<void(Args...)>& func, Args... args)
: Thread((uintptr_t)(void*)&BAN::Function<void(Args...)>::operator(), (uintptr_t)&func, ((uintptr_t)args)...)
{
static_assert(((BAN::is_integral_v<Args> || BAN::is_pointer_v<Args>) && ...));
}
#pragma GCC diagnostic pop
~Thread();
uint32_t id() const { return m_id; }
void set_rsp(uintptr_t rsp) { m_rsp = rsp; }
void set_rbp(uintptr_t rbp) { m_rbp = rbp; }
void set_rip(uintptr_t rip) { m_rip = rip; }
void set_state(State state) { m_state = state; }
uintptr_t rsp() const { return m_rsp; }
uintptr_t rbp() const { return m_rbp; }
uintptr_t rip() const { return m_rip; }
State state() const { return m_state; }
const uintptr_t* args() const { return m_args; }
private:
Thread(uintptr_t rip, uintptr_t func, uintptr_t arg1 = 0, uintptr_t arg2 = 0, uintptr_t arg3 = 0);
void on_exit();
private:
void* m_stack_base = nullptr;
State m_state = State::NotStarted;
uintptr_t m_args[4] = {};
uintptr_t m_rip = 0;
uintptr_t m_rbp = 0;
uintptr_t m_rsp = 0;
const uint32_t m_id = 0;
alignas(max_align_t) uint8_t m_function[BAN::Function<void()>::size()] { 0 };
};
}