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/*
* Copyright (C) 2017 Robin Krahl <robin.krahl@ireas.org>
*
* 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.
*/
#ifndef GARMOS_ARCH_H
#define GARMOS_ARCH_H
#include <garmos/types.h>
/*
* The functions in this header depend on the architecture. They should be
* provided by objects from the architecture.
*/
/* write data to a port */
void prtset8(const uint16_t port, const uint8_t val);
void prtset16(const uint16_t port, const uint16_t val);;
void prtset32(const uint16_t port, const uint32_t val);
/* read data from a port */
uint8_t prtget8(const uint16_t port);
uint16_t prtget16(const uint16_t port);
uint32_t prtget32(const uint16_t port);
/* set a memory register */
void regset8(const uint32_t reg, const uint8_t val);
void regset16(const uint32_t reg, const uint16_t val);
void regset32(const uint32_t reg, const uint32_t val);
/* global description table initialization */
struct gdtp {
uint16_t limit;
void *pointer;
} __attribute__((packed));
void gdtset(struct gdtp gdtp);
/* interrupt description table initialization and activation */
struct idtp {
uint16_t limit;
void *pointer;
} __attribute((packed));
void idtset(struct idtp idtp);
void idtact(void);
/* interrupt handler for ignores and a list of handlers to register */
extern uint8_t irqnos[];
extern uint32_t irqhdls[];
void irqign(void);
void irqhdl0x00(void);
void irqhdl0x01(void);
#endif
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