+#if P_HAVE_PTHREAD || defined(WANT_THREAD_CODE)
+
+// worker thread state
+static struct spu_worker {
+ union {
+ struct {
+ unsigned int exit_thread;
+ unsigned int i_ready;
+ unsigned int i_reaped;
+ unsigned int last_boot_cnt; // dsp
+ unsigned int ram_dirty;
+ };
+ // aligning for C64X_DSP
+ unsigned int _pad0[128/4];
+ };
+ union {
+ struct {
+ unsigned int i_done;
+ unsigned int active; // dsp
+ unsigned int boot_cnt;
+ };
+ unsigned int _pad1[128/4];
+ };
+ struct work_item {
+ int ns_to;
+ int ctrl;
+ int decode_pos;
+ int rvb_addr;
+ unsigned int channels_new;
+ unsigned int channels_on;
+ unsigned int channels_silent;
+ struct {
+ int spos;
+ int sbpos;
+ int sinc;
+ int start;
+ int loop;
+ short vol_l;
+ short vol_r;
+ unsigned short ns_to;
+ unsigned short bNoise:1;
+ unsigned short bFMod:2;
+ unsigned short bRVBActive:1;
+ unsigned short bNewPitch:1;
+ ADSRInfoEx adsr;
+ } ch[24];
+ int SSumLR[NSSIZE * 2];
+ } i[4];
+} *worker;
+
+#define WORK_MAXCNT (sizeof(worker->i) / sizeof(worker->i[0]))
+#define WORK_I_MASK (WORK_MAXCNT - 1)