+ // make sure new work is written out
+ __sync_synchronize();
+
+ // this should be safe, as dsp checks for new work even
+ // after it decrements ->active
+ // cacheline: i_done, active
+ f.dsp_cache_inv_virt(&worker->i_done, 64);
+ if (worker->active == ACTIVE_CNT)
+ return;
+
+ // to start the DSP, dsp_rpc_send() must be used,
+ // but before that, previous request must be finished
+ if (f.req_sent) {
+ if (worker->boot_cnt == worker->last_boot_cnt) {
+ // hopefully still booting
+ //printf("booting?\n");
+ return;
+ }
+
+ ret = f.dsp_rpc_recv(&msg);
+ if (ret != 0) {
+ fprintf(stderr, "dsp_rpc_recv failed: %d\n", ret);
+ f.dsp_logbuf_print();
+ f.req_sent = 0;
+ spu_config.iUseThread = 0;
+ return;
+ }
+ }
+
+ f.dsp_cache_inv_virt(&worker->i_done, 64);
+ worker->last_boot_cnt = worker->boot_cnt;
+ worker->ram_dirty = spu.bMemDirty;
+ spu.bMemDirty = 0;
+
+ mem = (void *)f.region.virt_addr;
+ memcpy(&mem->in.spu_config, &spu_config, sizeof(mem->in.spu_config));
+
+ DSP_MSG_INIT(&msg, f.compid, CCMD_DOIT, f.region.phys_addr, 0);