a7d006b637
The new code is based on timestamps, rather than delays. This eliminates the need to update every timer in timer_process(), which cost a non-trivial amount of CPU time on low-end machines. This involved changes to every user of the timer code, so this change almost certainly introduces bugs.
120 lines
2.7 KiB
C
120 lines
2.7 KiB
C
#ifdef _WIN32
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#include <winsock2.h>
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#include <windows.h>
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#endif
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#include <stdint.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <memory.h>
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#include "nethandler.h"
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#include "ibm.h"
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#include "device.h"
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#include "ne2000.h"
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#include "timer.h"
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int network_card_current = 0;
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static int network_card_last = 0;
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typedef struct
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{
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char name[32];
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char internal_name[24];
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device_t *device;
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} NETWORK_CARD;
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static NETWORK_CARD network_cards[] =
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{
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{"None", "", NULL},
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{"Novell NE2000", "ne2000", &ne2000_device},
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{"Realtek RTL8029AS", "rtl8029as", &rtl8029as_device},
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{"", "", NULL}
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};
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int network_card_available(int card)
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{
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if (network_cards[card].device)
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return device_available(network_cards[card].device);
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return 1;
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}
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char *network_card_getname(int card)
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{
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return network_cards[card].name;
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}
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device_t *network_card_getdevice(int card)
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{
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return network_cards[card].device;
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}
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int network_card_has_config(int card)
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{
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if (!network_cards[card].device)
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return 0;
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return network_cards[card].device->config ? 1 : 0;
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}
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char *network_card_get_internal_name(int card)
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{
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return network_cards[card].internal_name;
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}
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int network_card_get_from_internal_name(char *s)
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{
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int c = 0;
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while (strlen(network_cards[c].name))
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{
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if (!strcmp(network_cards[c].internal_name, s))
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return c;
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c++;
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}
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return 0;
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}
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void network_card_init()
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{
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if (network_cards[network_card_current].device)
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device_add(network_cards[network_card_current].device);
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network_card_last = network_card_current;
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}
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static struct
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{
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void (*poller)(void *p);
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void *priv;
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} vlan_handlers[8];
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static int vlan_handlers_num;
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static pc_timer_t vlan_poller_timer;
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void vlan_handler(void (*poller)(void *p), void *p)
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//void vlan_handler(int (*can_receive)(void *p), void (*receive)(void *p, const uint8_t *buf, int size), void *p)
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{
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/* vlan_handlers[vlan_handlers_num].can_receive = can_receive; */
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vlan_handlers[vlan_handlers_num].poller = poller;
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vlan_handlers[vlan_handlers_num].priv = p;
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vlan_handlers_num++;
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}
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void vlan_poller(void *priv)
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{
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int c;
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timer_advance_u64(&vlan_poller_timer, (uint64_t)((double)TIMER_USEC * (1000000.0 / 8.0 / 1500.0)));
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for (c = 0; c < vlan_handlers_num; c++)
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vlan_handlers[c].poller(vlan_handlers[c].priv);
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}
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void vlan_reset()
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{
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timer_add(&vlan_poller_timer, vlan_poller, NULL, 1);
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vlan_handlers_num = 0;
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}
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