parisc/kernel/perf.c

190 static const struct rdr_tbl_ent * perf_rdr_get_entry(uint32_t rdr_num);
191 static int perf_rdr_read_ubuf(uint32_t	rdr_num, uint64_t *buffer);
192 static int perf_rdr_clear(uint32_t rdr_num);
194 static void perf_rdr_write(uint32_t rdr_num, uint64_t *buffer);
197 extern uint64_t perf_rdr_shift_in_W (uint32_t rdr_num, uint16_t width);
198 extern uint64_t perf_rdr_shift_in_U (uint32_t rdr_num, uint16_t width);
199 extern void perf_rdr_shift_out_W (uint32_t rdr_num, uint64_t buffer);
200 extern void perf_rdr_shift_out_U (uint32_t rdr_num, uint64_t buffer);
642 static const struct rdr_tbl_ent * perf_rdr_get_entry(uint32_t rdr_num)
645 		return &perf_rdr_tbl_U[rdr_num];
647 		return &perf_rdr_tbl_W[rdr_num];
656 static int perf_rdr_read_ubuf(uint32_t	rdr_num, uint64_t *buffer)
662 	tentry = perf_rdr_get_entry(rdr_num);
684 			data = perf_rdr_shift_in_U(rdr_num, width);
686 			data = perf_rdr_shift_in_W(rdr_num, width);
706 static int perf_rdr_clear(uint32_t	rdr_num)
711 	tentry = perf_rdr_get_entry(rdr_num);
720 			perf_rdr_shift_out_U(rdr_num, 0UL);
722 			perf_rdr_shift_out_W(rdr_num, 0UL);
820 static void perf_rdr_write(uint32_t rdr_num, uint64_t *buffer)
826 	tentry = perf_rdr_get_entry(rdr_num);
832 			perf_rdr_shift_out_U(rdr_num, buffer[i]);
834 			perf_rdr_shift_out_W(rdr_num, buffer[i]);