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picorv32
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580 Commits

Author SHA1 Message Date
Trammell Hudson eeca10190b picosoc: enable fast multiply option for icebreaker 
This patch splits the picosoc's `ENABLE_MULDIV` paramter
into `ENABLE_MUL`, `ENABLE_DIV` and `ENABLE_FAST_MUL`,
and also enables the DSP-based fast multiplier for
the iCE40up5k icebreaker board.

Signed-off-by: Trammell Hudson <hudson@trmm.net>
 2021-09-02 16:35:38 +00:00
Larry Doolittle f9b1beb4cf Make Makefile more flexible 
Signed-off-by: Claire Wolf <claire@symbioticeda.com>
 2020-04-27 17:23:45 +02:00
Larry Doolittle 59ef49564f Remove obsolete line from firmware/sections.lds 
Signed-off-by: Claire Wolf <claire@symbioticeda.com>
 2020-04-23 18:01:24 +02:00
Larry Doolittle 25c58766c3 Disable RVC in tests/jal.S and tests/jalr.S 
Signed-off-by: Claire Wolf <claire@symbioticeda.com>
 2020-04-23 18:00:51 +02:00
Larry Doolittle e03c43ea43 Add plusargs support to testbench.cc 
Signed-off-by: Claire Wolf <claire@symbioticeda.com>
 2020-04-23 18:00:16 +02:00
Larry Doolittle 9129d18bf5 Cleanup whitespaces 
Signed-off-by: Claire Wolf <claire@symbioticeda.com>
 2020-04-23 17:59:17 +02:00
Claire Wolf 409d0dfd67
Merge pull request #145 from Novakov/patch-1 
spimemio documentation: read latency reset value
 2020-04-22 17:32:19 +02:00
Claire Wolf fe1ee2c739
Merge pull request #152 from RolinBert/master 
Fix #151 (missing irqs)
 2020-04-22 17:31:29 +02:00
Claire Wolf 65e72ea49e
Merge pull request #156 from dehann/patch-1 
fix readme icebreaker links
 2020-04-22 17:25:28 +02:00
Claire Wolf fb34c8aca9
Merge pull request #148 from splinedrive/disable_memory_test 
Workarround: Disable cmd_memtest() when starting firmware.
 2020-04-22 17:25:05 +02:00
Claire Wolf 824a5c8011
Merge pull request #158 from rxrbln/uart 
added default clk divider parameter to simpleuart
 2020-04-15 18:49:23 +02:00
René Rebe a7ff70dfb4 added default clk divider parameter to simpleuart 2020-04-15 13:25:57 +02:00
dehann b428e843cd
fix icebreaker links 2020-04-12 14:42:45 -04:00
Robert Korn fac01cee1c - fix missing brackets 2020-03-30 19:00:28 +02:00
Robert Korn 258d63d476 - fix missed timer interrupts, 
when another interrupt activates shortly before
 2020-03-27 07:26:48 +01:00
Hirosh Dabui 1b6821d1a1 Workarround: Disable cmd_memtest() when starting firmware. 
It destroys bss and data section memory.
You are not able to use static or global vars.
 2020-01-27 02:19:56 +01:00
Maciej T. Nowak 0201e8ff02
spimemio documentation: read latency reset value 
According to c06ba38113/picosoc/spimemio.v (L111) the reset value for `Read latency (dummy) cycles` is 8 cycles, not 0.
 2020-01-03 21:57:19 +01:00
Clifford Wolf e308982e18
Merge pull request #141 from rxrbln/master 
added CROSS prefix and CFLAGS to the picsoc/Makefile
 2019-11-18 14:21:10 +01:00
René Rebe 1e24e99970 added CROSS prefix and CFLAGS to the picsoc/Makefile 
so one can run it with other toolchains, e.g.
CROSS=riscv64-t2-linux-gnu- CFLAGS=-mabi=ilp32, too
 2019-11-14 12:31:20 +01:00
Clifford Wolf 46aa89c13f
Merge pull request #138 from pcotret/patch-1 
Short modification in the error string
 2019-10-31 11:25:37 +01:00
Pascal Cotret 415382761c
Short modification in the error string 2019-10-29 16:42:24 +01:00
Clifford Wolf 77277a0d32 Fix typo, closes #136 
Signed-off-by: Clifford Wolf <clifford@clifford.at>
 2019-09-25 11:28:08 +02:00
Clifford Wolf 3f9b5048bc Fix initialization of "irq" in verilog testbench 
Signed-off-by: Clifford Wolf <clifford@clifford.at>
 2019-09-22 13:59:43 +02:00
Clifford Wolf 881f928e05 Improve showtrace.py (and fix for new binutils) 
Signed-off-by: Clifford Wolf <clifford@clifford.at>
 2019-09-21 13:19:15 +02:00
Clifford Wolf 392ee1dd91 Improve test firmware, increase testbench memory size to 128kB 
Signed-off-by: Clifford Wolf <clifford@clifford.at>
 2019-09-12 10:50:45 +02:00
Clifford Wolf 3bb692a954
Merge pull request #131 from tomverbeure/dhry_trace 
Add tracing support to dhrystone test
 2019-08-19 13:12:54 +02:00
Tom Verbeure 6edd0bfe14 Add tracing support to dhrystone test 2019-08-18 08:32:45 -07:00
Clifford Wolf d124abbacd
Update README.md 2019-08-09 09:23:17 +02:00
Clifford Wolf e6779ba52b Disable verilator warnings, fixes #128 
Signed-off-by: Clifford Wolf <clifford@clifford.at>
 2019-08-06 15:16:06 +02:00
Clifford Wolf d046cbfa49 Add PICORV32_TESTBUG_nnn ifdefs for testing purposes 
Signed-off-by: Clifford Wolf <clifford@clifford.at>
 2019-06-30 11:30:18 +02:00
Clifford Wolf 18cd609853 Add rvfi_ixl 
Signed-off-by: Clifford Wolf <clifford@clifford.at>
 2019-06-26 00:07:16 +02:00
Clifford Wolf e0baf2e0bd Add RVFI CSRs 
Signed-off-by: Clifford Wolf <clifford@clifford.at>
 2019-06-07 00:04:37 +02:00
Clifford Wolf 3d36751b88 Do not peek into core for cycle count in WB testbench 
Signed-off-by: Clifford Wolf <clifford@clifford.at>
 2019-06-03 08:17:08 +02:00
Clifford Wolf f3a42746ca Do not peek into core for cycle count in testbench 
Signed-off-by: Clifford Wolf <clifford@clifford.at>
 2019-06-03 08:14:16 +02:00
Clifford Wolf b7e82dfcd1 Merge branch 'yanghao-master' 2019-04-28 10:32:49 +02:00
Clifford Wolf cf69d4da58 Undo Makefile changes 
Signed-off-by: Clifford Wolf <clifford@clifford.at>
 2019-04-28 10:32:23 +02:00
Yanghao Hua d60ffd8eea fix firmware/sections.lds section size alignment on 4 bytes 2019-04-27 12:37:35 +02:00
Clifford Wolf 507f49d086
Merge pull request #117 from Fatsie/wbdoc 
README.md: Also refer to picorv32_wb
 2019-04-17 13:02:49 +02:00
Staf Verhaegen 11d28a0f50 README.md: Also refer to picorv32_wb 2019-03-28 11:08:34 +01:00
Clifford Wolf f48f5fe970 Add Verilator version infos 
Signed-off-by: Clifford Wolf <clifford@clifford.at>
 2019-03-19 14:33:50 +01:00
Clifford Wolf 6d145b708d Rename decoded_imm_uj to decoded_imm_j 
Signed-off-by: Clifford Wolf <clifford@clifford.at>
 2019-03-02 14:29:27 -08:00
Clifford Wolf 6efa7d1c8b Remove riscv-dejagnu from "make build-tools" 
Signed-off-by: Clifford Wolf <clifford@clifford.at>
 2019-03-02 14:12:07 -08:00
Clifford Wolf 348de8e797 Remove riscv-qemu from "make build-tools" 
Signed-off-by: Clifford Wolf <clifford@clifford.at>
 2019-03-02 14:12:07 -08:00
Clifford Wolf 1d42f5725b
Merge pull request #114 from csquaredphd/master 
fix typo in picosoc/Makefile for hx8k board
 2019-03-02 14:11:59 -08:00
Clifford Wolf 243a09fd8d Add buffer cell to scripts/yosys/synth_gates.lib 
Signed-off-by: Clifford Wolf <clifford@clifford.at>
 2019-03-02 09:17:56 -08:00
Chris Clark 7ac4102fc4 fix typo in picosoc/Makefile for hx8k board 2019-03-01 19:57:22 -05:00
Clifford Wolf ed1138d6a6 Update riscv-gnu-toolchain to 411d134 
Signed-off-by: Clifford Wolf <clifford@clifford.at>
 2019-02-19 10:47:53 +01:00
Clifford Wolf 5c081c3291
Merge pull request #111 from stv0g/icebreaker-spram 
Use SPRAM on ICE40UP5K based boards
 2019-02-13 14:13:58 +01:00
Clifford Wolf 358dde2376
Merge branch 'master' into icebreaker-spram 2019-02-13 14:13:23 +01:00
Clifford Wolf 0886cc7562
Merge pull request #104 from thoughtpolice/dev 
Various touchups to scripts/icestorm demo
 2019-02-13 14:10:47 +01:00