perilus, branch HEAD

Fix a bug related to handling I-type immediates

2026-10-05T03:10:28Z

commit 4fd03d784ca2dd1c5dfb1bb8c8a9bf0c9c3f193b parent 04c8427eaf8d42b9291a0a0c929200f079651f8b Author: Bradley Gannon Date: Sun, 4 Oct 2026 23:10:28 -0400 Fix a bug related to handling I-type immediates

Fix a bug where the data mask was being applied incorrectly

2026-10-04T16:48:58Z

commit 04c8427eaf8d42b9291a0a0c929200f079651f8b parent 480ff5191f91fbef276086cbd7fd788fdb6d4528 Author: Bradley Gannon Date: Sun, 4 Oct 2026 12:48:58 -0400 Fix a bug where the data mask was being applied incorrectly

Replace gtkwave with surfer

2026-10-04T16:32:12Z

commit 480ff5191f91fbef276086cbd7fd788fdb6d4528 parent 94894e970b27a28cbc3b81f11a396e3921a3d185 Author: Bradley Gannon Date: Sun, 4 Oct 2026 12:32:12 -0400 Replace gtkwave with surfer

Add VCD recording to simulator

2026-10-04T16:31:14Z

commit 94894e970b27a28cbc3b81f11a396e3921a3d185 parent 796b36980503b2175fbc2ba7a94924ddecca181b Author: Bradley Gannon Date: Sun, 4 Oct 2026 12:31:14 -0400 Add VCD recording to simulator

Mask LSB when writing PC

2026-10-03T01:57:55Z

commit 796b36980503b2175fbc2ba7a94924ddecca181b parent 408e06e258422bc402077bff77659bc13a2a2f81 Author: Bradley Gannon Date: Fri, 2 Oct 2026 21:57:55 -0400 Mask LSB when writing PC

Fix a bug where certain jalr instructions did bad arithmetic

2026-10-02T03:26:24Z

commit 408e06e258422bc402077bff77659bc13a2a2f81 parent 1af2b66ae1b64f177c6e56bf0f59942025d1e7be Author: Bradley Gannon Date: Thu, 1 Oct 2026 23:26:24 -0400 Fix a bug where certain jalr instructions did bad arithmetic

Replace TUI simulator with desktop version

2026-10-02T03:04:34Z

commit 1af2b66ae1b64f177c6e56bf0f59942025d1e7be parent bab30f16e00b59bae6180491fb5bf5defe223709 Author: Bradley Gannon Date: Thu, 1 Oct 2026 23:04:34 -0400 Replace TUI simulator with desktop version

Improve justfile

2026-07-22T22:48:20Z

commit bab30f16e00b59bae6180491fb5bf5defe223709 parent 93c313d88156c339e9e92434bcaca2c2cda0c76d Author: Bradley Gannon Date: Wed, 22 Jul 2026 18:48:20 -0400 Improve justfile - Rename test-official to test-act - Add staleness checks to chisel and verilate so builds get skipped if they're already up to date - Also add force flag to both so the staleness checks can be overriden - Add build-sim to as a dependency of test-act

Add test runner script for ACT suite

2026-07-22T22:04:01Z

commit 93c313d88156c339e9e92434bcaca2c2cda0c76d parent 2b4e352f88e5d5bccc4b05989b5c19792a371dcd Author: Bradley Gannon Date: Wed, 22 Jul 2026 18:04:01 -0400 Add test runner script for ACT suite

Add test subcommand and load_file method to simulator

2026-07-22T22:03:26Z

commit 2b4e352f88e5d5bccc4b05989b5c19792a371dcd parent 8cdbd4e268ad77d7166cd5160ffaaa837432d833 Author: Bradley Gannon Date: Wed, 22 Jul 2026 18:03:26 -0400 Add test subcommand and load_file method to simulator

Increase default memory size from 1 KiB to 1 MiB

2026-07-22T22:02:17Z

commit 8cdbd4e268ad77d7166cd5160ffaaa837432d833 parent c5b29792d9ae5274104669c7a66e41796729d52a Author: Bradley Gannon Date: Wed, 22 Jul 2026 18:02:17 -0400 Increase default memory size from 1 KiB to 1 MiB

Tweak processor model config and simplify pass/fail macros

2026-07-22T21:54:51Z

commit c5b29792d9ae5274104669c7a66e41796729d52a parent 8f2ef935b4cc261cc4aaac8aebfb6385ce7cffc6 Author: Bradley Gannon Date: Wed, 22 Jul 2026 17:54:51 -0400 Tweak processor model config and simplify pass/fail macros

Add clippy to flake.nix

2026-07-22T21:27:21Z

commit 8f2ef935b4cc261cc4aaac8aebfb6385ce7cffc6 parent 532e4e1eb7da7ca3e6343facdb56e92057acb7c1 Author: Bradley Gannon Date: Wed, 22 Jul 2026 17:27:21 -0400 Add clippy to flake.nix

Remove asm.sh

2026-07-22T21:27:00Z

commit 532e4e1eb7da7ca3e6343facdb56e92057acb7c1 parent c136f0833aca131db9f9fb4e1004dd2cbba4be91 Author: Bradley Gannon Date: Wed, 22 Jul 2026 17:27:00 -0400 Remove asm.sh

Explicitly set gcc/g++ for compiling Verilator source in simulator

2026-07-18T23:52:42Z

commit c136f0833aca131db9f9fb4e1004dd2cbba4be91 parent 9a08be53e52cf8b49d67746c838713773b930daa Author: Bradley Gannon Date: Sat, 18 Jul 2026 19:52:42 -0400 Explicitly set gcc/g++ for compiling Verilator source in simulator

Add initial configuration for building riscv-arch-test

2026-07-18T02:28:39Z

commit 9a08be53e52cf8b49d67746c838713773b930daa parent bdedf3e3a899eb0d3b8723e306adc199573a7581 Author: Bradley Gannon Date: Fri, 17 Jul 2026 22:28:39 -0400 Add initial configuration for building riscv-arch-test

Add riscv-arch-test submodule

2026-07-13T01:37:19Z

commit bdedf3e3a899eb0d3b8723e306adc199573a7581 parent 54d18300e6406428c988f68127399eebdbc01bd9 Author: Bradley Gannon Date: Sun, 12 Jul 2026 21:37:19 -0400 Add riscv-arch-test submodule

Replace shell.nix with flake.nix

2026-07-13T00:42:23Z

commit 54d18300e6406428c988f68127399eebdbc01bd9 parent 0ff5ee0b476932d3445f3204e9e990cb38ac6f90 Author: Bradley Gannon Date: Sun, 12 Jul 2026 20:42:23 -0400 Replace shell.nix with flake.nix

Use saturating arithmetic in key places

2026-05-02T02:44:47Z

commit 0ff5ee0b476932d3445f3204e9e990cb38ac6f90 parent 9fa7a67641b642351bab5f8cc47fa40d8304ad99 Author: Bradley Gannon Date: Fri, 1 May 2026 22:44:47 -0400 Use saturating arithmetic in key places

Add scrollable memory and jump-to-selection

2026-05-01T02:46:16Z

commit 9fa7a67641b642351bab5f8cc47fa40d8304ad99 parent 337ae890a905010f99d6ff827952fca33a7d247e Author: Bradley Gannon Date: Thu, 30 Apr 2026 22:46:16 -0400 Add scrollable memory and jump-to-selection

Add missing Verilator flag

2026-05-01T02:45:51Z

commit 337ae890a905010f99d6ff827952fca33a7d247e parent 12443c49f6f5c1424ef50ea5e50ff1dd0cdfb26f Author: Bradley Gannon Date: Thu, 30 Apr 2026 22:45:51 -0400 Add missing Verilator flag

Update README

2026-04-26T22:14:45Z

commit 12443c49f6f5c1424ef50ea5e50ff1dd0cdfb26f parent b03d577fb3cf66c84b297d80d1b15f872861d652 Author: Bradley Gannon Date: Sun, 26 Apr 2026 18:14:45 -0400 Update README

Add standalone simulator

2026-04-26T21:59:56Z

commit b03d577fb3cf66c84b297d80d1b15f872861d652 parent 2e22e0deeb797bbe0737d9647500a604d9ee3b83 Author: Bradley Gannon Date: Sun, 26 Apr 2026 17:59:56 -0400 Add standalone simulator

Fix several problems with the memory module

2026-04-26T21:30:51Z

commit 2e22e0deeb797bbe0737d9647500a604d9ee3b83 parent 81c4e9227f1fb8c382d3db522c071a736ae843e8 Author: Bradley Gannon Date: Sun, 26 Apr 2026 17:30:51 -0400 Fix several problems with the memory module

Add system diagram

2026-04-03T01:25:35Z

commit 81c4e9227f1fb8c382d3db522c071a736ae843e8 parent e1885a909491dfcaebfbacdf2bc3b1b0095b3431 Author: Bradley Gannon Date: Thu, 2 Apr 2026 21:25:35 -0400 Add system diagram

Add support for lui and auipc

2026-04-03T00:26:23Z

commit e1885a909491dfcaebfbacdf2bc3b1b0095b3431 parent 2a60eae4eae580443792e072aa31c1df80c5d388 Author: Bradley Gannon Date: Thu, 2 Apr 2026 20:26:23 -0400 Add support for lui and auipc

Only write data to registers or memory when reset is not asserted

2026-04-03T00:24:57Z

commit 2a60eae4eae580443792e072aa31c1df80c5d388 parent f8f8f5ab9fe2d59a0cf4a37eb15a37309e512041 Author: Bradley Gannon Date: Thu, 2 Apr 2026 20:24:57 -0400 Only write data to registers or memory when reset is not asserted

Add support for all remaining B-type instructions in RV32I

2026-03-31T21:06:27Z

commit f8f8f5ab9fe2d59a0cf4a37eb15a37309e512041 parent 1d79656fbee5a3f89cdef2bf54200038de6280e1 Author: Bradley Gannon Date: Tue, 31 Mar 2026 17:06:27 -0400 Add support for all remaining B-type instructions in RV32I

Add support for jalr

2026-03-31T02:01:20Z

commit 1d79656fbee5a3f89cdef2bf54200038de6280e1 parent fe59fd001fad39f32451291684008c4331e40720 Author: Bradley Gannon Date: Mon, 30 Mar 2026 22:01:20 -0400 Add support for jalr

Add support for all load and store instructions in RV32I

2026-02-27T22:17:50Z

commit fe59fd001fad39f32451291684008c4331e40720 parent 212101e59ff315cae71f90ad037335e20e210c10 Author: Bradley Gannon Date: Fri, 27 Feb 2026 17:17:50 -0500 Add support for all load and store instructions in RV32I

Add support for slli, sltiu, xori, srli, and srai

2026-02-27T03:02:35Z

commit 212101e59ff315cae71f90ad037335e20e210c10 parent 04a30bbe98c1ee6f8e97ac3dcacd54faf1dadedd Author: Bradley Gannon Date: Thu, 26 Feb 2026 22:02:35 -0500 Add support for slli, sltiu, xori, srli, and srai Also make various improvements to test fixtures. The unsigned set-less-than instruction required a modification to the extend unit for unsigned I-type immediates. I expect this to be useful for lbu and lhu.

Add NOP impls for environment instructions

2026-02-25T02:11:22Z

commit 04a30bbe98c1ee6f8e97ac3dcacd54faf1dadedd parent e73974f94f044a98ccf733852fd863c606e31e10 Author: Bradley Gannon Date: Tue, 24 Feb 2026 21:11:22 -0500 Add NOP impls for environment instructions Specifically ecall, ebreak, fence, fence.tso, and pause

Add support for xor, sll, srl, sra, and sltu

2026-02-25T00:32:29Z

commit e73974f94f044a98ccf733852fd863c606e31e10 parent 6531dd4072ced92cdbacd56d4e681d5b5157aa96 Author: Bradley Gannon Date: Tue, 24 Feb 2026 19:32:29 -0500 Add support for xor, sll, srl, sra, and sltu Also add and update some tests, remove explicit values from ChiselEnums that don't need them, and other tweaks

Add test for jal

2026-02-24T00:44:27Z

commit 6531dd4072ced92cdbacd56d4e681d5b5157aa96 parent 969640aaafc5bc2a6f86bf9a3708ef670cf75fd8 Author: Bradley Gannon Date: Mon, 23 Feb 2026 19:44:27 -0500 Add test for jal

Add Fibonacci test program

2026-01-31T19:44:33Z

commit 969640aaafc5bc2a6f86bf9a3708ef670cf75fd8 parent 8345c97e7fc2e33326660c60445cd15e6fde7117 Author: Bradley Gannon Date: Sat, 31 Jan 2026 14:44:33 -0500 Add Fibonacci test program

Add tests for addi, ori, andi, and slti instructions

2026-01-31T16:26:06Z

commit 8345c97e7fc2e33326660c60445cd15e6fde7117 parent 8bb24d633891f3838775d214d28cb2101aef7f2e Author: Bradley Gannon Date: Sat, 31 Jan 2026 11:26:06 -0500 Add tests for addi, ori, andi, and slti instructions

Fix width parameter in asm.sh

2026-01-31T15:24:49Z

commit 8bb24d633891f3838775d214d28cb2101aef7f2e parent cfed332f30f293de15b5252f469aa070eb3aa5ed Author: Bradley Gannon Date: Sat, 31 Jan 2026 10:24:49 -0500 Fix width parameter in asm.sh

Add support for add, sub, slt, or, and and instructions

2026-01-30T22:34:36Z

commit cfed332f30f293de15b5252f469aa070eb3aa5ed parent 65f791334ce5c7e1fe89cd0e5428e37ef5c3b448 Author: Bradley Gannon Date: Fri, 30 Jan 2026 17:34:36 -0500 Add support for add, sub, slt, or, and and instructions

Add asm.sh to quickly assemble files verbatim

2026-01-30T22:29:33Z

commit 65f791334ce5c7e1fe89cd0e5428e37ef5c3b448 parent fd7229b1df727f251da6041c766492bba30eb042 Author: Bradley Gannon Date: Fri, 30 Jan 2026 17:29:33 -0500 Add asm.sh to quickly assemble files verbatim

Fix register file tests

2026-01-29T02:21:19Z

commit fd7229b1df727f251da6041c766492bba30eb042 parent 176dfe4390fc6d41eb880dcfad670c0cde3cb049 Author: Bradley Gannon Date: Wed, 28 Jan 2026 21:21:19 -0500 Fix register file tests

Create zip archive containing all Verilog output

2026-01-29T02:03:18Z

commit 176dfe4390fc6d41eb880dcfad670c0cde3cb049 parent 395e09b9401811d48e6330eb20f62b9909634441 Author: Bradley Gannon Date: Wed, 28 Jan 2026 21:03:18 -0500 Create zip archive containing all Verilog output

Remove lingering assets

2026-01-29T01:59:56Z

commit 395e09b9401811d48e6330eb20f62b9909634441 parent 8aa667db929660c69bf2e38f80b44a9840966dfd Author: Bradley Gannon Date: Wed, 28 Jan 2026 20:59:56 -0500 Remove lingering assets

Dynamically write memory files for tests instead of keeping them in assets/

2026-01-28T21:06:02Z

commit 8aa667db929660c69bf2e38f80b44a9840966dfd parent 391e8e6e9a56ff0bf016dbd483eacc3d8ac5b9ec Author: Bradley Gannon Date: Wed, 28 Jan 2026 16:06:02 -0500 Dynamically write memory files for tests instead of keeping them in assets/

Move generated Verilog files into their own directory

2026-01-28T02:20:31Z

commit 391e8e6e9a56ff0bf016dbd483eacc3d8ac5b9ec parent d0b8e7209bf46d7e010fc4b1ae861d7ba80340b6 Author: Bradley Gannon Date: Tue, 27 Jan 2026 21:20:31 -0500 Move generated Verilog files into their own directory

Run formatter

2026-01-28T02:05:21Z

commit d0b8e7209bf46d7e010fc4b1ae861d7ba80340b6 parent 1c499b6de3e473aa0b0019e1969778911a50f56d Author: Bradley Gannon Date: Tue, 27 Jan 2026 21:05:21 -0500 Run formatter

Fix and uncomment existing instruction tests

2026-01-28T02:04:17Z

commit 1c499b6de3e473aa0b0019e1969778911a50f56d parent 96a96ed223967caaf5d896b312a457807a84aeee Author: Bradley Gannon Date: Tue, 27 Jan 2026 21:04:17 -0500 Fix and uncomment existing instruction tests

Remove printf debug statements

2026-01-28T02:03:27Z

commit 96a96ed223967caaf5d896b312a457807a84aeee parent 48e5ea4c46cf0cb011d9519e0eefeb80f5cbf10d Author: Bradley Gannon Date: Tue, 27 Jan 2026 21:03:27 -0500 Remove printf debug statements

Make memory addresses byte-oriented with rounding to word boundaries

2026-01-28T02:01:03Z

commit 48e5ea4c46cf0cb011d9519e0eefeb80f5cbf10d parent 5504dfd4612fcbc03dfa4be2656e512c94a08dab Author: Bradley Gannon Date: Tue, 27 Jan 2026 21:01:03 -0500 Make memory addresses byte-oriented with rounding to word boundaries

Add gtkwave to shell.nix

2026-01-28T01:58:19Z

commit 5504dfd4612fcbc03dfa4be2656e512c94a08dab parent 8f70ca1aad513265226d853967d8de0394e6ea00 Author: Bradley Gannon Date: Tue, 27 Jan 2026 20:58:19 -0500 Add gtkwave to shell.nix

Merge branch 'main' into bmgxyz/beq-fix

2026-01-27T20:51:27Z

commit 8f70ca1aad513265226d853967d8de0394e6ea00 parent ed4fa0d20b16ab0b623fac80a43d2d24fd6acb9b Author: Bradley Gannon Date: Tue, 27 Jan 2026 15:51:27 -0500 Merge branch 'main' into bmgxyz/beq-fix

beq test not working. need to check imm extender

2026-01-02T21:08:37Z

commit ed4fa0d20b16ab0b623fac80a43d2d24fd6acb9b parent 19e57583faaf31adaec537c7c56993ca7d82c285 Author: mbbutler Date: Fri, 2 Jan 2026 16:08:37 -0500 beq test not working. need to check imm extender

Add 'sw' test and 'just' project mgmt

2026-01-02T19:25:48Z

commit 19e57583faaf31adaec537c7c56993ca7d82c285 parent 48947a97d97b6f0cc401aed5fb203c98f240d701 Author: mbbutler Date: Fri, 2 Jan 2026 14:25:48 -0500 Add 'sw' test and 'just' project mgmt

Fix assets paths in PerilusTests that were pointing to my local filesystem

2026-01-01T19:29:36Z

commit 48947a97d97b6f0cc401aed5fb203c98f240d701 parent 5323af8d64851749ec9a5d85694730a49adf8a9d Author: Bradley Gannon Date: Thu, 1 Jan 2026 14:29:36 -0500 Fix assets paths in PerilusTests that were pointing to my local filesystem

Add memory/reg init from file, add optional debug interfaces, and execute first instruction

2026-01-01T19:06:36Z

commit 5323af8d64851749ec9a5d85694730a49adf8a9d parent 9b22240b1911a643a2e893fde4be9f4bb85302c9 Author: Bradley Gannon Date: Thu, 1 Jan 2026 14:06:36 -0500 Add memory/reg init from file, add optional debug interfaces, and execute first instruction

Factor out AluDecoder and InstructionDecoder and add tests for both

2025-12-31T02:34:02Z

commit 9b22240b1911a643a2e893fde4be9f4bb85302c9 parent 5924ed9e5dfac5942dc3ffc05ca4b45acc3faa65 Author: Bradley Gannon Date: Tue, 30 Dec 2025 21:34:02 -0500 Factor out AluDecoder and InstructionDecoder and add tests for both

Add ControlUnitFsmTests

2025-12-31T01:47:56Z

commit 5924ed9e5dfac5942dc3ffc05ca4b45acc3faa65 parent f736439ba08a3a78179e0c41c99482d4edc2b579 Author: Bradley Gannon Date: Tue, 30 Dec 2025 20:47:56 -0500 Add ControlUnitFsmTests

Add control unit FSM, add several enums, add J-type sign extension, bump nixpkgs

2025-12-30T03:12:09Z

commit f736439ba08a3a78179e0c41c99482d4edc2b579 parent ad41caa65641049219432f45c0dca84337261018 Author: Bradley Gannon Date: Mon, 29 Dec 2025 22:12:09 -0500 Add control unit FSM, add several enums, add J-type sign extension, bump nixpkgs

Connect data path and control unit IO

2025-12-02T00:16:52Z

commit ad41caa65641049219432f45c0dca84337261018 parent 0b093e9636dc898fde5f065585db4918f73b4dfe Author: Bradley Gannon Date: Mon, 1 Dec 2025 19:16:52 -0500 Connect data path and control unit IO

Update README

2025-12-01T02:38:54Z

commit 0b093e9636dc898fde5f065585db4918f73b4dfe parent 5dff292b4f84ec974004621883b28fadf504d849 Author: Bradley Gannon Date: Sun, 30 Nov 2025 21:38:54 -0500 Update README

Implement RegisterFile

2025-11-30T18:32:04Z

commit 5dff292b4f84ec974004621883b28fadf504d849 parent 5ce26af2c37730a9add3aed54e82824f67aa7e4b Author: Bradley Gannon Date: Sun, 30 Nov 2025 13:32:04 -0500 Implement RegisterFile

Add better CI, updated .gitignore, add scalafmt as sbt plugin

2025-11-30T02:27:53Z

commit 5ce26af2c37730a9add3aed54e82824f67aa7e4b parent 2c3db9fcef4beecff3dfb63ac5e09f772ce70a80 Author: Bradley Gannon Date: Sat, 29 Nov 2025 21:27:53 -0500 Add better CI, updated .gitignore, add scalafmt as sbt plugin

Fix names in Alu tests

2025-11-30T00:58:30Z

commit 2c3db9fcef4beecff3dfb63ac5e09f772ce70a80 parent 060814f540ae291544ee1f8270ceabaffd8987b5 Author: Bradley Gannon Date: Sat, 29 Nov 2025 19:58:30 -0500 Fix names in Alu tests

Implement Memory

2025-11-30T00:57:24Z

commit 060814f540ae291544ee1f8270ceabaffd8987b5 parent b3d3da633d592003778447152ee01711c5db2014 Author: Bradley Gannon Date: Sat, 29 Nov 2025 19:57:24 -0500 Implement Memory

Implement Alu

2025-11-29T23:29:02Z

commit b3d3da633d592003778447152ee01711c5db2014 parent b2e69ab264d590e195cbcb2044e37bbc03122987 Author: Bradley Gannon Date: Sat, 29 Nov 2025 18:29:02 -0500 Implement Alu

Implement ExtendUnit

2025-11-29T20:21:05Z

commit b2e69ab264d590e195cbcb2044e37bbc03122987 parent 4083d01412cd28a59e85c0544abd420eafb3a880 Author: Bradley Gannon Date: Sat, 29 Nov 2025 15:21:05 -0500 Implement ExtendUnit

Configure and run scalafmt

2025-11-29T16:17:03Z

commit 4083d01412cd28a59e85c0544abd420eafb3a880 parent 74900633183a28e0cd7c7861d0e51e37b3c16637 Author: Bradley Gannon Date: Sat, 29 Nov 2025 11:17:03 -0500 Configure and run scalafmt

Add packages for major block diagram elements and reorg top level

2025-11-29T03:59:02Z

commit 74900633183a28e0cd7c7861d0e51e37b3c16637 parent fd91da0fc82b658706b71bb60862c9c1c9ffbb2c Author: Bradley Gannon Date: Fri, 28 Nov 2025 22:59:02 -0500 Add packages for major block diagram elements and reorg top level

Copy parts of chisel-template and add control unit stub

2025-10-31T01:06:18Z

commit fd91da0fc82b658706b71bb60862c9c1c9ffbb2c parent 590c153eef8c995154c2ce721cc8ecca20640ac5 Author: Bradley Gannon Date: Thu, 30 Oct 2025 21:06:18 -0400 Copy parts of chisel-template and add control unit stub

init README.md

2025-10-09T21:17:45Z

commit 590c153eef8c995154c2ce721cc8ecca20640ac5 Author: mbbutler Date: Thu, 9 Oct 2025 17:17:45 -0400 init README.md