363 lines
7.9 KiB
C
363 lines
7.9 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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* Implementation of the generic device interface to handle
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* all devices attached to the emulator.
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*
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* Version: @(#)device.c 1.0.2 2017/08/24
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*
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* Authors: Sarah Walker, <http://pcem-emulator.co.uk/>
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* Miran Grca, <mgrca8@gmail.com>
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* Copyright 2008-2016 Sarah Walker.
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* Copyright 2016,2017 Miran Grca.
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*/
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#include "ibm.h"
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#include "cpu/cpu.h"
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#include "config.h"
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#include "device.h"
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#include "model.h"
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#include "sound/sound.h"
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#define DEVICE_MAX 256 /* max # of devices */
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static void *device_priv[DEVICE_MAX];
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static device_t *devices[DEVICE_MAX];
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static device_t *current_device;
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void device_init(void)
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{
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memset(devices, 0x00, sizeof(devices));
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}
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void device_add(device_t *d)
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{
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int c = 0;
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void *priv = NULL;
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while (devices[c] != NULL && c < 256)
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c++;
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if (c >= DEVICE_MAX)
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fatal("device_add : too many devices\n");
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current_device = d;
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if (d->init != NULL)
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{
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priv = d->init();
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if (priv == NULL)
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fatal("device_add : device init failed\n");
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}
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devices[c] = d;
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device_priv[c] = priv;
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}
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void device_close_all(void)
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{
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int c;
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for (c=0; c<DEVICE_MAX; c++)
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{
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if (devices[c] != NULL)
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{
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if (devices[c]->close != NULL)
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devices[c]->close(device_priv[c]);
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devices[c] = device_priv[c] = NULL;
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}
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}
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}
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void *device_get_priv(device_t *d)
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{
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int c;
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for (c=0; c<DEVICE_MAX; c++)
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{
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if (devices[c] != NULL)
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{
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if (devices[c] == d)
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return device_priv[c];
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}
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}
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return NULL;
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}
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int device_available(device_t *d)
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{
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#ifdef RELEASE_BUILD
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if (d->flags & DEVICE_NOT_WORKING)
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return 0;
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#endif
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if (d->available)
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return d->available();
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return 1;
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}
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void device_speed_changed(void)
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{
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int c;
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for (c=0; c<DEVICE_MAX; c++)
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{
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if (devices[c] != NULL)
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{
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if (devices[c]->speed_changed != NULL)
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{
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devices[c]->speed_changed(device_priv[c]);
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}
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}
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}
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sound_speed_changed();
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}
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void device_force_redraw(void)
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{
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int c;
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for (c=0; c<DEVICE_MAX; c++)
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{
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if (devices[c] != NULL)
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{
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if (devices[c]->force_redraw != NULL)
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{
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devices[c]->force_redraw(device_priv[c]);
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}
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}
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}
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}
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char *device_add_status_info(char *s, int max_len)
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{
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int c;
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for (c=0; c<DEVICE_MAX; c++)
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{
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if (devices[c] != NULL)
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{
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if (devices[c]->add_status_info != NULL)
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devices[c]->add_status_info(s, max_len, device_priv[c]);
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}
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}
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return NULL;
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}
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int device_get_config_int(char *s)
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{
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device_config_t *config = current_device->config;
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while (config && config->type != -1)
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{
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if (!strcmp(s, config->name))
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return config_get_int(current_device->name, s, config->default_int);
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config++;
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}
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return 0;
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}
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int device_get_config_int_ex(char *s, int default_int)
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{
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device_config_t *config = current_device->config;
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while (config && config->type != -1)
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{
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if (!strcmp(s, config->name))
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return config_get_int(current_device->name, s, default_int);
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config++;
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}
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return default_int;
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}
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int device_get_config_hex16(char *s)
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{
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device_config_t *config = current_device->config;
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while (config && config->type != -1)
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{
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if (!strcmp(s, config->name))
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return config_get_hex16(current_device->name, s, config->default_int);
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config++;
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}
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return 0;
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}
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int device_get_config_hex20(char *s)
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{
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device_config_t *config = current_device->config;
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while (config && config->type != -1)
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{
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if (!strcmp(s, config->name))
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return config_get_hex20(current_device->name, s, config->default_int);
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config++;
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}
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return 0;
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}
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int device_get_config_mac(char *s, int default_int)
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{
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device_config_t *config = current_device->config;
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while (config && config->type != -1)
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{
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if (!strcmp(s, config->name))
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return config_get_mac(current_device->name, s, default_int);
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config++;
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}
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return default_int;
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}
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void device_set_config_int(char *s, int val)
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{
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device_config_t *config = current_device->config;
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while (config && config->type != -1)
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{
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if (!strcmp(s, config->name))
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{
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config_set_int(current_device->name, s, val);
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return;
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}
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config++;
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}
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}
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void device_set_config_hex16(char *s, int val)
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{
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device_config_t *config = current_device->config;
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while (config && config->type != -1)
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{
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if (!strcmp(s, config->name))
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{
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config_set_hex16(current_device->name, s, val);
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return;
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}
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config++;
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}
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}
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void device_set_config_hex20(char *s, int val)
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{
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device_config_t *config = current_device->config;
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while (config && config->type != -1)
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{
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if (!strcmp(s, config->name))
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{
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config_set_hex20(current_device->name, s, val);
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return;
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}
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config++;
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}
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}
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void device_set_config_mac(char *s, int val)
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{
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device_config_t *config = current_device->config;
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while (config && config->type != -1)
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{
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if (!strcmp(s, config->name))
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{
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config_set_mac(current_device->name, s, val);
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return;
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}
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config++;
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}
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}
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char *device_get_config_string(char *s)
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{
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device_config_t *config = current_device->config;
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while (config && config->type != -1)
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{
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if (!strcmp(s, config->name))
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return config_get_string(current_device->name, s, config->default_string);
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config++;
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}
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return NULL;
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}
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int model_get_config_int(char *s)
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{
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device_t *device = model_getdevice(model);
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device_config_t *config;
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if (!device)
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return 0;
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config = device->config;
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while (config && config->type != -1)
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{
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if (!strcmp(s, config->name))
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return config_get_int(device->name, s, config->default_int);
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config++;
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}
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return 0;
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}
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char *model_get_config_string(char *s)
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{
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device_t *device = model_getdevice(model);
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device_config_t *config;
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if (!device)
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return 0;
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config = device->config;
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while (config && config->type != -1)
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{
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if (!strcmp(s, config->name))
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return config_get_string(device->name, s, config->default_string);
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config++;
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}
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return NULL;
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}
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