Commit Graph

34 Commits

Author SHA1 Message Date
Luke Wren 6e3799eed0 First attempt at hacking in triggers, at least seems to have not broken other exception logic. Not yet tested. 2022-08-22 08:47:03 +01:00
Luke Wren 15cb21ae43 First pass at implementing the new IRQ controls. Works well enough that the old tests pass :) 2022-08-07 20:51:12 +01:00
Luke Wren 91be98f2da Make rvpy IO output look exactly like tb_cxxrtl (bringing up embench) 2022-07-06 23:53:11 +01:00
Luke Wren b7d9defcf2 Add MUL_FASTER option to retire fast mul to stage 2 instead of stage 3 2022-07-05 03:37:19 +01:00
Luke Wren 9e15cd3485 Add standalone SBA-to-AHB shim, and make SBA off by default in the DM 2022-07-03 15:30:33 +01:00
Luke Wren d5cd3e0681 Add SBA patch-through to 1-core wrapper.
Add SBA properties to bus compliance checks.
Hook up SBA in dual-core single-port debug tb.
2022-07-03 15:17:44 +01:00
Luke Wren 51bc26f8ac First pass at adding system bus access to DM. Currently only the 2-port processor supports SBA patchthrough. 2022-07-03 00:25:47 +01:00
Luke Wren 8ef9d77be8 Add 'everything but MHARTID' option to config_inst, to allow its reuse in multicore instantiations.
Use this to fix the multicore tb not instantiating cores with all parameters correct (e.g. U_MODE)
2022-06-25 13:11:40 +01:00
Luke Wren 9e2f5df00a Add testbench flag to propagate CPU return code to testbench return 2022-05-28 15:00:28 +01:00
Luke Wren 20f06c4a02 Build tb with 4 PMP regions by default 2022-05-24 20:06:57 +01:00
Luke Wren cfed35b3da Fix the stupid printf warning on x86-64 as well as arm64 2022-05-24 18:22:25 +01:00
Luke Wren ba81b533d2 Build core with U mode support for tb 2022-05-24 16:44:22 +01:00
Luke Wren 4ba3f7ceb9 Fix format warning in tb.cpp on arm64 2022-05-24 16:17:54 +01:00
Luke Wren 7dc5046505 Perf option for dedicated branch comparator 2022-04-02 11:40:47 +01:00
Luke Wren a81d129961 Add exclusives monitor to testbench 2021-12-17 17:03:35 +00:00
Luke Wren 5ab60422ad Add minimal multicore launch code 2021-12-17 01:24:11 +00:00
Luke Wren 01d9617f9c Add multicore tb integration file 2021-12-17 00:41:23 +00:00
Luke Wren 207566660d tb: handle both ports identically. Preparing for dual core 2021-12-17 00:04:00 +00:00
Luke Wren 9fb2af800f Allow IRQs to be set/cleared by sw in tb. Add soft IRQ test 2021-12-12 14:58:50 +00:00
Luke Wren f64f44f7af Add test for identification CSRs vs expected values 2021-12-11 13:26:59 +00:00
Luke Wren c90727b05a Remove padding after vector table in init.S 2021-12-11 12:22:23 +00:00
Luke Wren 6d55cd2d55 Consolidate openocd and bin-load testbenches 2021-12-11 09:46:38 +00:00
Luke Wren 3d2c912b4f Add test script to make it easier to add software testcases 2021-12-09 22:25:18 +00:00
Luke Wren 5e17bb805e Add basic support for lr/sc instructions from the A extension 2021-12-04 15:02:31 +00:00
Luke Wren c8afb4ac33 Add option for fast high-half multiplies 2021-11-29 18:48:02 +00:00
Luke Wren c1f17b0b23 Add wfi timer loop example, and add mtime/mtimecmp to non-debug testbench 2021-11-06 09:59:27 +00:00
Luke Wren 5d2a562f65 Just use read_verilog; write_cxxrtl when building tb_cxxrtl 2021-07-22 17:30:30 +01:00
Luke Wren c56c75e14b More dicking with yosys cmd for tb_cxxrtl;
Removing the prep pass as suggested leads to invalid VCD net names.
Adding a opt_clean (+ prerequisites) fixes that.
Adding splitnets -driver afterward wins back the performance lost by
that last addition. Can you tell I don't know what I'm doing
2021-07-18 16:46:00 +01:00
whitequark 12bf9bb570 Make CXXRTL testbench ~25% faster 2021-07-18 16:04:19 +01:00
Luke Wren 2618ae0c07 Double-step() after clock posedge to workaround CXXRTL port propagation issue 2021-07-18 16:03:53 +01:00
Luke Wren ce5cc1f150 oops, bounds checking on free-running tb_cxxrtl 2021-07-18 15:20:25 +01:00
Luke Wren 5cc483898d Add smoke test for core debug interface, and suppress bus fetch incrementing frontend level counter when in debug mode 2021-07-10 21:02:18 +01:00
Luke Wren 1b252d4bda Significant overhaul of trap handling. Exceptions now taken from stage 3 instead of stage 2 2021-05-23 11:59:46 +01:00
Luke Wren 90acfdcbe8 Organise test directory into formal and sim 2021-05-23 07:42:35 +01:00