118 commits

Author	SHA1	Message	Date
Clifford Wolf	fb3178c4b7	Fixed dbg_ signals: no latches (formal verification doesn't like latches)	2016-04-13 17:29:33 +02:00
Clifford Wolf	436f162951	Minor change in DEBUGASM output	2016-04-13 15:30:02 +02:00
Clifford Wolf	faa1c1a159	Added SBREAK handling for CATCH_ILLINSN=0	2016-04-13 15:09:49 +02:00
Clifford Wolf	262a9085bb	Streamlined debug signals	2016-04-13 13:49:40 +02:00
Clifford Wolf	49aef71641	Some area improvements	2016-04-13 12:27:00 +02:00
Clifford Wolf	435232eb85	Use ifdef instead of generate if so we don't confuse Vivado	2016-04-13 12:21:47 +02:00
Clifford Wolf	2c76f7d61b	Added (by default disabled) register file access wires for debugging	2016-04-12 20:55:46 +02:00
Clifford Wolf	789a411ead	Bugfix for CATCH_ILLINSN <-> WITH_PCPI interaction	2016-04-12 20:55:06 +02:00
Clifford Wolf	e9c7ea6b5d	Added ENABLE_COUNTERS64 config parameter	2016-04-12 18:04:16 +02:00
Clifford Wolf	2fdafb9c16	Added BARREL_SHIFTER config parameter	2016-04-12 17:30:31 +02:00
Clifford Wolf	b41c0e723c	Do not re-load a word to read the 16 bit opcode in the upper half	2016-04-11 16:48:57 +02:00
Clifford Wolf	b08d9400bd	Do not load next word when loading a 16 bit opcode from the upper half of a 32bit word	2016-04-11 14:32:25 +02:00
Clifford Wolf	2cab981862	Fixed signed division by zero handling	2016-04-10 17:15:17 +02:00
Clifford Wolf	00dd6ac38e	Added ENABLE_DIV and picorv32_pcpi_div	2016-04-10 16:54:35 +02:00
Clifford Wolf	fce9656604	Bugfix in memory interface (related to compressed ISA)	2016-04-10 13:25:28 +02:00
Clifford Wolf	aa17d58784	Bugfix in C.SRAI implementation	2016-04-09 14:27:28 +02:00
Clifford Wolf	ef8014eebd	Bugfix in C.ADDI4SPN implementation	2016-04-09 14:09:43 +02:00
Clifford Wolf	d7894ca41a	Merge branch 'master' into compressed ... Conflicts: picorv32.v	2016-02-03 16:21:53 +01:00
Clifford Wolf	d2e20edaab	Cleanup regarding pcpi_timeout	2015-12-22 11:17:24 +01:00
Clifford Wolf	649144ba5d	Keep mem_wstrb low even when mem_valid is low anyways	2015-12-22 11:17:11 +01:00
Clifford Wolf	5953e57899	Towards compressed ISA support	2015-11-20 16:45:09 +01:00
Clifford Wolf	f8eed23a68	Towards compressed ISA support	2015-11-19 14:01:33 +01:00
Clifford Wolf	9d5f8ad8e6	Towards compressed ISA support	2015-11-19 04:02:00 +01:00
Clifford Wolf	c4e711209c	Towards compressed ISA support	2015-11-18 19:23:11 +01:00
Clifford Wolf	3aed9f7c65	Towards compressed ISA support	2015-11-18 15:55:29 +01:00
Clifford Wolf	8174d8fb7e	Towards compressed ISA support	2015-11-15 23:24:38 +01:00
Clifford Wolf	bfd2a4e0fa	Towards compressed ISA support	2015-11-15 16:04:04 +01:00
Clifford Wolf	bf4b0f3a63	Towards compressed ISA support	2015-11-14 19:22:00 +01:00
Clifford Wolf	60b9216856	Towards compressed ISA support	2015-11-14 14:11:21 +01:00
Clifford Wolf	db26b51afe	Towards compressed ISA support	2015-11-13 14:16:32 +01:00
Clifford Wolf	8eaeebf486	Progress in "make check"	2015-10-15 15:45:19 +02:00
Clifford Wolf	07f28068f6	Added "make check"	2015-10-14 23:26:04 +02:00
Clifford Wolf	16f97a86a1	Reset bugfix (bug found via scripts/smt2-bmc/mem_equiv.*)	2015-08-13 13:30:21 +02:00
Clifford Wolf	bf7f984d42	Refactoring of TWO_CYCLE_ALU	2015-07-08 23:15:14 +02:00
Clifford Wolf	dd30b57ea6	Added TWO_CYCLE_ALU parameter	2015-07-08 20:17:03 +02:00
Clifford Wolf	b6c4c2eeb9	Added TWO_CYCLE_COMPARE	2015-07-07 22:51:52 +02:00
Clifford Wolf	9c028fc965	Added missing LD_RS1 debug statements	2015-07-02 14:51:28 +02:00
Clifford Wolf	ab503d5756	Being more aggressive with parallel cases	2015-07-02 12:55:05 +02:00
Clifford Wolf	c10125eb5c	Added TWO_STAGE_SHIFT parameter	2015-07-02 12:29:06 +02:00
Clifford Wolf	853ce91300	Added `debug macro	2015-07-02 12:17:45 +02:00
Clifford Wolf	c48a3b2434	Removed trailing whitespaces	2015-07-02 10:49:35 +02:00
Clifford Wolf	34193bf9df	Added CATCH_MISALIGN and CATCH_ILLINSN	2015-07-01 21:20:51 +02:00
Clifford Wolf	f6fe27ecbf	After some profiling: one-hot FSM encoding	2015-07-01 21:20:31 +02:00
Clifford Wolf	4a9fda0737	Improvements in PCPI MUL core	2015-06-30 16:51:26 +02:00
Clifford Wolf	7417a3e249	Added LATCHED_IRQ parameter	2015-06-29 07:54:47 +02:00
Clifford Wolf	46026ba985	Added ENABLE_IRQ_QREGS and ENABLE_IRQ_TIMER	2015-06-28 22:09:51 +02:00
Clifford Wolf	21157b8f1d	Cleanups in PCPI interface	2015-06-28 15:41:55 +02:00
Clifford Wolf	b076d72806	Fixed PCPI instr prefetching	2015-06-28 14:51:53 +02:00
Clifford Wolf	1f99de5117	Improvements in picorv32_pcpi_mul	2015-06-28 13:07:50 +02:00
Clifford Wolf	4c15e05298	Moved ENABLE_MUL from picorv32_axi to picorv32	2015-06-28 12:19:49 +02:00
Clifford Wolf	034e1a6af7	Added PCPI to picorv32_axi	2015-06-27 23:54:11 +02:00
Clifford Wolf	7d1a484812	Implemented picorv32_pcpi_mul	2015-06-27 23:53:51 +02:00
Clifford Wolf	dd8ed3c877	Added pcpi_wait interface	2015-06-26 23:48:50 +02:00
Clifford Wolf	0be990bd04	Added Pico Co-Processor Interface (PCPI)	2015-06-26 23:15:35 +02:00
Clifford Wolf	5d4ce82050	Implemented waitirq instruction	2015-06-26 10:39:08 +02:00
Clifford Wolf	9a4a06d981	Refactoring of IRQ handling	2015-06-26 10:03:37 +02:00
Clifford Wolf	23b700cf73	Added basic IRQ support	2015-06-25 14:08:39 +02:00
Clifford Wolf	bb7f500489	Removed unnecessary "jal" complexity	2015-06-09 07:40:30 +02:00
Clifford Wolf	a9532f81ed	Refactored instruction decoder	2015-06-08 09:08:19 +02:00
Clifford Wolf	32208c0b70	Improved timing for "decoded_imm_uj"	2015-06-07 22:50:49 +02:00
Clifford Wolf	34d9dea8c7	Added support for dual-port register file	2015-06-07 20:53:19 +02:00
Clifford Wolf	60867e10a9	minor optimizations	2015-06-07 20:08:04 +02:00
Clifford Wolf	8e3e0bfba0	Improved "decoder_trigger" handling	2015-06-07 19:49:38 +02:00
Clifford Wolf	bbbcea2faa	Added look-ahead write interface	2015-06-07 12:11:20 +02:00
Clifford Wolf	e84f044bc5	Major redesign of main FSM	2015-06-07 11:49:47 +02:00
Clifford Wolf	bc8ffd2ecb	Added memory "look-ahead" read interface	2015-06-06 20:50:53 +02:00
Clifford Wolf	7fd24a96b2	Improved AXI Interface Testbench	2015-06-06 17:15:09 +02:00
Clifford Wolf	77ba5a1897	Initial import	2015-06-06 14:14:32 +02:00