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picorv32
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501 Commits

Author SHA1 Message Date
Austin Seipp 77a6b2dd26 scripts/icestorm: use 'yosys-config' to find data directory 
This fixes the icestorm script to query yosys-config itself for the
right data directory. Not only does this fix installs where yosys was
not installed into /usr/local, it also ensures Icarus picks up a data
directory consistent with the version of yosys that you're using.

Signed-off-by: Austin Seipp <aseipp@pobox.com>
 2018-02-14 16:54:47 -06:00
Austin Seipp 2260d2ab8a scripts: remove old -m32 argument to riscv-gcc 
See also 55da6c7cd1

Signed-off-by: Austin Seipp <aseipp@pobox.com>
 2018-02-14 16:54:47 -06:00
Clifford Wolf a9e0ea54cf
Merge pull request #52 from olofk/testbench_wb_fixes 
Testbench wb fixes
 2017-12-31 14:46:15 +01:00
Olof Kindgren f1949e9bf1 testbench_wb: Add proper attribution for wb_ram module 2017-12-27 20:38:19 +01:00
Olof Kindgren 0495ce8b5a testbench_wb: Load firmware with plusarg instead of parameter 2017-12-27 20:32:33 +01:00
Clifford Wolf df01132185 Update riscv-gnu-toolchain to bf5697a 2017-11-19 01:54:56 +00:00
Clifford Wolf 65f32c38db Fix picosoc hx8kdemo_tb 2017-11-11 19:49:01 +01:00
Clifford Wolf dda7db273d Add missing "volatile" to "asm" statements 2017-10-30 11:22:54 +01:00
Clifford Wolf 31588b871e Update evaluation results to Vivado 2017.3 2017-10-21 02:54:19 +02:00
Clifford Wolf d9d5220071 Update riscv-gnu-toolchain to git rev e9f5458 2017-10-19 17:18:47 +02:00
Clifford Wolf ed69f9e451 Update riscv-formal altops bitmasks 2017-10-07 01:24:59 +02:00
Clifford Wolf 7b6aa21f34 Fix bug in picorv32_pcpi_div, Add RISCV_FORMAL_ALTOPS support 2017-10-06 17:33:44 +02:00
Clifford Wolf ad08edd2e5 Add PICORV32_REGS mechanism for ASIC sram instantiation 2017-10-01 15:45:46 +02:00
Clifford Wolf 500db14e44 Improve PicoSoC overview.svg 2017-09-22 05:09:03 +02:00
Clifford Wolf 694b9390fd Enable a bunch of PicoRV32 features in PicoSoC 2017-09-22 04:52:44 +02:00
Clifford Wolf 1c889ee3b5 Silenced some warnings when ENABLE_MUL but not ENABLE_PCPI 2017-09-22 04:50:48 +02:00
Clifford Wolf 9e5903fbbe Update PicoSoC README 2017-09-21 19:58:55 +02:00
Clifford Wolf ae0e5a6c94 Remove generic PicoSoC testbench 2017-09-21 19:45:41 +02:00
Clifford Wolf 8b5f2aeff3 Merge branch 'master' of github.com:cliffordwolf/picorv32 2017-09-21 19:37:12 +02:00
Clifford Wolf 29b1d0d7de Resize overview.svg 2017-09-21 19:37:04 +02:00
Clifford Wolf 1c66c76c0e Update README.md 2017-09-21 19:35:29 +02:00
Clifford Wolf 211d0e9c98 Add picosoc overview.svg 2017-09-21 19:32:30 +02:00
Clifford Wolf ebc4d1c4a1 Update README.md 2017-09-21 18:53:54 +02:00
Clifford Wolf 45bd9b81ea Improve picosoc performance.{py,png} 2017-09-21 18:46:09 +02:00
Clifford Wolf 0c9dce7bc2 Add picosoc performance.{py,png} 2017-09-21 18:40:38 +02:00
Clifford Wolf 559cd8db78 Improve PicoSoC example firmware 2017-09-21 16:00:19 +02:00
Clifford Wolf c06ba38113 Add PicoSoC spimem Dual I/O support 2017-09-21 15:50:50 +02:00
Clifford Wolf c00811e8e4 Improve PicoSoC example firmware 2017-09-20 23:53:53 +02:00
Clifford Wolf dea9b88249 Fix bug in PicoSoC spimemio 2017-09-20 23:44:16 +02:00
Clifford Wolf 51436b1c50 PicoSoC QSPI DDR progress 2017-09-20 20:17:27 +02:00
Clifford Wolf 7639e6ebac PicoSoC QSPI and XIP now working (tested in hardware) 2017-09-19 15:32:41 +02:00
Clifford Wolf 2cc1256ce7 Improve PicoSoC demo firmware 2017-09-18 00:43:38 +02:00
Clifford Wolf 506cda5ee6 Update picosoc README.md 2017-09-16 22:40:53 +02:00
Clifford Wolf dabebeb008 Improve PicoSoC demo firmware (read flash ID is working now) 2017-09-16 22:08:05 +02:00
Clifford Wolf 76124b8649 Removed UB from picosoc demo firmware 2017-09-15 19:55:22 +02:00
Clifford Wolf 1c8266869a Merge branch 'picosoc' 2017-09-15 16:31:37 +02:00
Clifford Wolf 797c21e95c Improve PicoSoC demo firmware 2017-09-15 16:28:19 +02:00
Clifford Wolf cfd4933272 Switch PicoSoC firmware to C 2017-09-15 15:35:44 +02:00
Clifford Wolf 48f729d13c Update PicoSoC hx8kdemo 2017-09-15 15:34:45 +02:00
Clifford Wolf 66638dcee0 Improve picosoc firmware build process 2017-09-15 15:33:20 +02:00
Clifford Wolf d087b01bb5 Update picosoc/hx8kdemo_tb.v 2017-09-15 14:48:13 +02:00
Clifford Wolf 48b13daef2 Update picosoc memory map 2017-09-15 14:47:50 +02:00
Clifford Wolf a412d3ea69 Add "make test_rvf" 2017-09-13 18:45:57 +02:00
Clifford Wolf 8db3073ff9 Add correct interupt handling in RVFI trace 2017-09-13 18:45:17 +02:00
Clifford Wolf 9fca5934aa Add rvfi_halt and rvfi_intr to picorv32_axi and picorv32_wb 2017-09-13 18:44:57 +02:00
Clifford Wolf 13f93b7000 Revert "Fix RISCV_FORMAL_BLACKBOX_REGS (broke liveness on branch ops)" 
This reverts commit 624bc05f98.
 2017-09-13 02:24:15 +02:00
Clifford Wolf 6ade29cce3 Add Cypress S25FL128L datasheet link to picosoc/spiflash.v 2017-09-12 22:46:57 +02:00
Clifford Wolf 624bc05f98 Fix RISCV_FORMAL_BLACKBOX_REGS (broke liveness on branch ops) 2017-09-12 22:46:25 +02:00
Clifford Wolf cd72560937 Update rvfi_order according to current rvfi spec 2017-09-05 01:10:04 +02:00
Clifford Wolf 99f0cafd19 Add simple UART to PicoSoC 2017-08-11 19:30:53 +02:00