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/*
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* 86Box A hypervisor and IBM PC system emulator that specializes in
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* running old operating systems and software designed for IBM
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* PC systems and compatibles from 1981 through fairly recent
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* system designs based on the PCI bus.
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*
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* This file is part of the 86Box distribution.
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2020-04-23 02:23:59 +02:00
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*
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* Definitions for the Distributed DMA emulation.
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2020-04-23 02:23:59 +02:00
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*
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*
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*
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2023-01-06 15:36:05 -05:00
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* Authors: Miran Grca, <mgrca8@gmail.com>
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2020-04-23 02:23:59 +02:00
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*
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* Copyright 2020 Miran Grca.
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2020-04-23 02:23:59 +02:00
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*/
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#ifndef DDMA_H
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#define DDMA_H
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2020-04-23 02:23:59 +02:00
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#ifdef __cplusplus
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extern "C" {
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#endif
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2023-06-28 13:46:28 -04:00
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typedef struct ddma_channel_t {
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uint16_t io_base;
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int channel;
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int enable;
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} ddma_channel_t;
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typedef struct ddma_t {
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ddma_channel_t channels[8];
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} ddma_t;
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/* Global variables. */
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extern const device_t ddma_device;
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/* Functions. */
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extern void ddma_update_io_mapping(ddma_t *dev, int ch, uint8_t base_l, uint8_t base_h, int enable);
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#ifdef __cplusplus
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}
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#endif
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2022-09-18 17:15:38 -04:00
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#endif /*DDMA_H*/
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