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/* -*- c -*- */
/*
* Copyright 2007 Free Software Foundation, Inc.
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef INCLUDED_PIC_H
#define INCLUDED_PIC_H
typedef void (*irq_handler_t)(unsigned irq);
void pic_init(void);
void pic_register_handler(unsigned irq, irq_handler_t handler);
void nop_handler(unsigned irq); // default handler does nothing
// FIXME inline assembler
int pic_disable_interrupts();
int pic_enable_interrupts();
void pic_restore_interrupts(int prev_status);
void pic_interrupt_handler();
#endif /* INCLUDED_PIC_H */
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