+/* watchdog */
+static void *watchdog_thread(void *unused)
+{
+ int vsync_cnt_old = 0;
+ int seen_dead = 0;
+ int sleep_time = 5;
+
+#if !defined(NDEBUG) || defined(DRC_DBG)
+ // don't interfere with debug
+ return NULL;
+#endif
+ while (1)
+ {
+ sleep(sleep_time);
+
+ if (stop) {
+ seen_dead = 0;
+ sleep_time = 5;
+ continue;
+ }
+ if (vsync_cnt != vsync_cnt_old) {
+ vsync_cnt_old = vsync_cnt;
+ seen_dead = 0;
+ sleep_time = 2;
+ continue;
+ }
+
+ seen_dead++;
+ sleep_time = 1;
+ if (seen_dead > 1)
+ fprintf(stderr, "watchdog: seen_dead %d\n", seen_dead);
+ if (seen_dead > 4) {
+ fprintf(stderr, "watchdog: lockup detected, aborting\n");
+ // we can't do any cleanup here really, the main thread is
+ // likely touching resources and would crash anyway
+ abort();
+ }
+ }
+}
+
+void pl_start_watchdog(void)
+{
+ pthread_attr_t attr;
+ pthread_t tid;
+ int ret;
+
+ pthread_attr_init(&attr);
+ pthread_attr_setdetachstate(&attr, PTHREAD_CREATE_DETACHED);
+
+ ret = pthread_create(&tid, &attr, watchdog_thread, NULL);
+ if (ret != 0)
+ fprintf(stderr, "could not start watchdog: %d\n", ret);
+}
+
+static void *pl_emu_mmap(unsigned long addr, size_t size, int is_fixed,
+ enum psxMapTag tag)
+{
+ return plat_mmap(addr, size, 0, is_fixed);
+}
+
+static void pl_emu_munmap(void *ptr, size_t size, enum psxMapTag tag)
+{
+ plat_munmap(ptr, size);
+}
+
+static void *pl_mmap(unsigned int size)
+{
+ return psxMapHook(0, size, 0, MAP_TAG_VRAM);
+}
+
+static void pl_munmap(void *ptr, unsigned int size)
+{
+ psxUnmapHook(ptr, size, MAP_TAG_VRAM);
+}
+
+void pl_init(void)
+{
+ extern unsigned int hSyncCount; // from psxcounters
+ extern unsigned int frame_counter;
+
+ psx_w = psx_h = pl_vout_w = pl_vout_h = 256;
+ psx_bpp = pl_vout_bpp = 16;
+
+ tsdev = pl_gun_ts_init();
+
+ pl_rearmed_cbs.gpu_hcnt = &hSyncCount;
+ pl_rearmed_cbs.gpu_frame_count = &frame_counter;
+
+ psxMapHook = pl_emu_mmap;
+ psxUnmapHook = pl_emu_munmap;
+}