genode/repos/base-hw/src/core/include/spec/riscv/pic.h

47 lines
975 B
C++

/*
* \brief Programmable interrupt controller for core
* \author Sebastian Sumpf
* \date 2015-06-02
*
* There currently is no interrupt controller defined for the RISC-V platform.
*/
/*
* Copyright (C) 2015-2016 Genode Labs GmbH
*
* This file is part of the Genode OS framework, which is distributed
* under the terms of the GNU General Public License version 2.
*/
#ifndef _PIC_H_
#define _PIC_H_
namespace Genode { class Pic; }
/**
* Dummy PIC driver for core
*/
class Genode::Pic
{
public:
enum {
/*
* FIXME: dummy ipi value on non-SMP platform, should be removed
* when SMP is an aspect of CPUs only compiled where necessary
*/
IPI = 0,
NR_OF_IRQ = 15,
};
Pic() { }
bool take_request(unsigned & i) { return true; }
void unmask(unsigned const i, unsigned) { }
void mask(unsigned const i) { }
void finish_request() { }
};
namespace Kernel { class Pic : public Genode::Pic { }; }
#endif /* _PIC_H_ */