claunia/86Box
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

Serial receive/transmit rework (uses the new fifo.c API) and a small GDB stub fix.

Browse Source
This commit is contained in:
OBattler
2023-08-18 05:57:32 +02:00
parent 5baf1a5ef4
commit 565421a252
9 changed files with 870 additions and 224 deletions
Download Patch File Download Diff File Expand all files Collapse all files

68
src/include/86box/fifo.h Normal file
View File

@@ -0,0 +1,68 @@
/*
* 86Box A hypervisor and IBM PC system emulator that specializes in
* running old operating systems and software designed for IBM
* PC systems and compatibles from 1981 through fairly recent
* system designs based on the PCI bus.
*
* This file is part of the 86Box distribution.
*
* FIFO infrastructure header.
*
* Authors: Miran Grca, <mgrca8@gmail.com>
*
* Copyright 2023 Miran Grca.
*/
#define FIFO(size) \
typedef struct \
{ \
int start, end, \
trigger_len, len, \
empty, overrun, \
full, ready, \
d_empty, d_overrun, \
d_full, d_ready; \
\
void *priv; \
\
void (*d_empty_evt)(void *); \
void (*d_overrun_evt)(void *); \
void (*d_full_evt)(void *); \
void (*d_ready_evt)(void *); \
\
uint8_t buf[size]; \
} fifo## size ##_t;
FIFO()
FIFO(16)
#define fifo16_init() fifo_init(16)
FIFO(64)
#define fifo64_init() fifo_init(64)
extern int fifo_get_count(void *priv);
extern void fifo_write(uint8_t val, void *priv);
extern void fifo_write_evt(uint8_t val, void *priv);
extern uint8_t fifo_read(void *priv);
extern uint8_t fifo_read_evt(void *priv);
extern void fifo_clear_overrun(void *priv);
extern int fifo_get_full(void *priv);
extern int fifo_get_d_full(void *priv);
extern int fifo_get_empty(void *priv);
extern int fifo_get_d_empty(void *priv);
extern int fifo_get_overrun(void *priv);
extern int fifo_get_d_overrun(void *priv);
extern int fifo_get_ready(void *priv);
extern int fifo_get_d_ready(void *priv);
extern int fifo_get_trigger_len(void *priv);
extern void fifo_set_trigger_len(void *priv, int trigger_len);
extern void fifo_set_len(void *priv, int len);
extern void fifo_set_d_full_evt(void *priv, void (*d_full_evt)(void *));
extern void fifo_set_d_empty_evt(void *priv, void (*d_empty_evt)(void *));
extern void fifo_set_d_overrun_evt(void *priv, void (*d_overrun_evt)(void *));
extern void fifo_set_d_ready_evt(void *priv, void (*d_ready_evt)(void *));
extern void fifo_set_priv(void *priv, void *sub_priv);
extern void fifo_reset(void *priv);
extern void fifo_reset_evt(void *priv);
extern void fifo_close(void *priv);
extern void * fifo_init(int len);