74 lines
2.9 KiB
C
74 lines
2.9 KiB
C
/*
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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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*
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* FIFO infrastructure header.
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*
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* Authors: Miran Grca, <mgrca8@gmail.com>
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*
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* Copyright 2023 Miran Grca.
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*/
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#define FIFO(size) \
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typedef struct { \
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int start; \
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int end; \
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int trigger_len; \
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int len; \
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int empty; \
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int overrun; \
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int full; \
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int ready; \
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int d_empty; \
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int d_overrun; \
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int d_full; \
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int d_ready; \
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\
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void *priv; \
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\
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void (*d_empty_evt)(void *); \
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void (*d_overrun_evt)(void *); \
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void (*d_full_evt)(void *); \
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void (*d_ready_evt)(void *); \
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\
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uint8_t buf[size]; \
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} fifo## size ##_t;
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FIFO()
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FIFO(16)
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#define fifo16_init() fifo_init(16)
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FIFO(64)
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#define fifo64_init() fifo_init(64)
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extern int fifo_get_count(void *priv);
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extern void fifo_write(uint8_t val, void *priv);
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extern void fifo_write_evt(uint8_t val, void *priv);
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extern uint8_t fifo_read(void *priv);
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extern uint8_t fifo_read_evt(void *priv);
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extern void fifo_clear_overrun(void *priv);
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extern int fifo_get_full(void *priv);
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extern int fifo_get_d_full(void *priv);
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extern int fifo_get_empty(void *priv);
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extern int fifo_get_d_empty(void *priv);
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extern int fifo_get_overrun(void *priv);
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extern int fifo_get_d_overrun(void *priv);
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extern int fifo_get_ready(void *priv);
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extern int fifo_get_d_ready(void *priv);
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extern int fifo_get_trigger_len(void *priv);
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extern void fifo_set_trigger_len(void *priv, int trigger_len);
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extern void fifo_set_len(void *priv, int len);
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extern void fifo_set_d_full_evt(void *priv, void (*d_full_evt)(void *));
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extern void fifo_set_d_empty_evt(void *priv, void (*d_empty_evt)(void *));
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extern void fifo_set_d_overrun_evt(void *priv, void (*d_overrun_evt)(void *));
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extern void fifo_set_d_ready_evt(void *priv, void (*d_ready_evt)(void *));
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extern void fifo_set_priv(void *priv, void *sub_priv);
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extern void fifo_reset(void *priv);
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extern void fifo_reset_evt(void *priv);
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extern void fifo_close(void *priv);
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extern void *fifo_init(int len);
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