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New license headers: DWTFPL -> Apache 2.0

This commit is contained in:
Luke Wren 2021-12-13 23:23:24 +00:00
parent f1cda26bcc
commit b0d28447ab
28 changed files with 122 additions and 370 deletions
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13
License
View File

@ -1,13 +0,0 @@
DO WHAT THE FUCK YOU WANT TO AND DON'T BLAME US PUBLIC LICENSE
Version 3, April 2008
Copyright (C) 2021 Luke Wren
Everyone is permitted to copy and distribute verbatim or modified
copies of this license document and accompanying software, and
changing either is allowed.
TERMS AND CONDITIONS FOR COPYING, DISTRIBUTION AND MODIFICATION
0. You just DO WHAT THE FUCK YOU WANT TO.
1. We're NOT RESPONSIBLE WHEN IT DOESN'T FUCKING WORK.

20
example_soc/fpga/fpga_icebreaker.v
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@ -1,19 +1,7 @@
/**********************************************************************
* DO WHAT THE FUCK YOU WANT TO AND DON'T BLAME US PUBLIC LICENSE *
* Version 3, April 2008 *
* *
* Copyright (C) 2021 Luke Wren *
* *
* Everyone is permitted to copy and distribute verbatim or modified *
* copies of this license document and accompanying software, and *
* changing either is allowed. *
* *
* TERMS AND CONDITIONS FOR COPYING, DISTRIBUTION AND MODIFICATION *
* *
* 0. You just DO WHAT THE FUCK YOU WANT TO. *
* 1. We're NOT RESPONSIBLE WHEN IT DOESN'T FUCKING WORK. *
* *
*********************************************************************/
/*****************************************************************************\
| Copyright (C) 2021 Luke Wren |
| SPDX-License-Identifier: Apache-2.0 |
\*****************************************************************************/
// FPGA toplevel for ../soc/example_soc.v on an iCEBreaker dev board

35
example_soc/fpga/fpga_ulx3s.v
View File

@ -1,19 +1,7 @@
/**********************************************************************
* DO WHAT THE FUCK YOU WANT TO AND DON'T BLAME US PUBLIC LICENSE *
* Version 3, April 2008 *
* *
* Copyright (C) 2021 Luke Wren *
* *
* Everyone is permitted to copy and distribute verbatim or modified *
* copies of this license document and accompanying software, and *
* changing either is allowed. *
* *
* TERMS AND CONDITIONS FOR COPYING, DISTRIBUTION AND MODIFICATION *
* *
* 0. You just DO WHAT THE FUCK YOU WANT TO. *
* 1. We're NOT RESPONSIBLE WHEN IT DOESN'T FUCKING WORK. *
* *
*********************************************************************/
/*****************************************************************************\
| Copyright (C) 2021 Luke Wren |
| SPDX-License-Identifier: Apache-2.0 |
\*****************************************************************************/
`default_nettype none
@ -45,13 +33,18 @@ fpga_reset #(
example_soc #(
.DTM_TYPE ("ECP5"),
.SRAM_DEPTH (1 << 15),
.SRAM_DEPTH (1 << 12),
.EXTENSION_C (0),
.EXTENSION_M (1),
.CSR_COUNTER (1),
.MUL_FAST (1),
.MULDIV_UNROLL (2)
.EXTENSION_A (1),
.EXTENSION_C (0),
.EXTENSION_ZBA (0),
.EXTENSION_ZBB (0),
.EXTENSION_ZBC (0),
.EXTENSION_ZBS (0),
.CSR_COUNTER (0),
.MUL_FAST (0),
.MULDIV_UNROLL (1)
) soc_u (
.clk (clk_sys),
.rst_n (rst_n_sys),

20
example_soc/soc/example_soc.v
View File

@ -1,19 +1,7 @@
/**********************************************************************
* DO WHAT THE FUCK YOU WANT TO AND DON'T BLAME US PUBLIC LICENSE *
* Version 3, April 2008 *
* *
* Copyright (C) 2021 Luke Wren *
* *
* Everyone is permitted to copy and distribute verbatim or modified *
* copies of this license document and accompanying software, and *
* changing either is allowed. *
* *
* TERMS AND CONDITIONS FOR COPYING, DISTRIBUTION AND MODIFICATION *
* *
* 0. You just DO WHAT THE FUCK YOU WANT TO. *
* 1. We're NOT RESPONSIBLE WHEN IT DOESN'T FUCKING WORK. *
* *
*********************************************************************/
/*****************************************************************************\
| Copyright (C) 2021 Luke Wren |
| SPDX-License-Identifier: Apache-2.0 |
\*****************************************************************************/
// Example file integrating a Hazard3 processor, processor JTAG + debug
// components, some memory and a UART.

20
hdl/arith/hazard3_alu.v
View File

@ -1,19 +1,7 @@
/**********************************************************************
* DO WHAT THE FUCK YOU WANT TO AND DON'T BLAME US PUBLIC LICENSE *
* Version 3, April 2008 *
* *
* Copyright (C) 2021 Luke Wren *
* *
* Everyone is permitted to copy and distribute verbatim or modified *
* copies of this license document and accompanying software, and *
* changing either is allowed. *
* *
* TERMS AND CONDITIONS FOR COPYING, DISTRIBUTION AND MODIFICATION *
* *
* 0. You just DO WHAT THE FUCK YOU WANT TO. *
* 1. We're NOT RESPONSIBLE WHEN IT DOESN'T FUCKING WORK. *
* *
*********************************************************************/
/*****************************************************************************\
| Copyright (C) 2021 Luke Wren |
| SPDX-License-Identifier: Apache-2.0 |
\*****************************************************************************/
`default_nettype none

20
hdl/arith/hazard3_amo_alu.v
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@ -1,19 +1,7 @@
/**********************************************************************
* DO WHAT THE FUCK YOU WANT TO AND DON'T BLAME US PUBLIC LICENSE *
* Version 3, April 2008 *
* *
* Copyright (C) 2021 Luke Wren *
* *
* Everyone is permitted to copy and distribute verbatim or modified *
* copies of this license document and accompanying software, and *
* changing either is allowed. *
* *
* TERMS AND CONDITIONS FOR COPYING, DISTRIBUTION AND MODIFICATION *
* *
* 0. You just DO WHAT THE FUCK YOU WANT TO. *
* 1. We're NOT RESPONSIBLE WHEN IT DOESN'T FUCKING WORK. *
* *
*********************************************************************/
/*****************************************************************************\
| Copyright (C) 2021 Luke Wren |
| SPDX-License-Identifier: Apache-2.0 |
\*****************************************************************************/
// Separate ALU for atomic memory operations

20
hdl/arith/hazard3_mul_fast.v
View File

@ -1,19 +1,7 @@
/**********************************************************************
* DO WHAT THE FUCK YOU WANT TO AND DON'T BLAME US PUBLIC LICENSE *
* Version 3, April 2008 *
* *
* Copyright (C) 2021 Luke Wren *
* *
* Everyone is permitted to copy and distribute verbatim or modified *
* copies of this license document and accompanying software, and *
* changing either is allowed. *
* *
* TERMS AND CONDITIONS FOR COPYING, DISTRIBUTION AND MODIFICATION *
* *
* 0. You just DO WHAT THE FUCK YOU WANT TO. *
* 1. We're NOT RESPONSIBLE WHEN IT DOESN'T FUCKING WORK. *
* *
*********************************************************************/
/*****************************************************************************\
| Copyright (C) 2021 Luke Wren |
| SPDX-License-Identifier: Apache-2.0 |
\*****************************************************************************/
// MUL-only (cfg: MUL_FAST) and MUL/MULH/MULHU/MULHSU (cfg: MUL_FAST &&
// MULH_FAST) are handled by different circuits. In either case it's a simple

20
hdl/arith/hazard3_muldiv_seq.v
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@ -1,19 +1,7 @@
/**********************************************************************
* DO WHAT THE FUCK YOU WANT TO AND DON'T BLAME US PUBLIC LICENSE *
* Version 3, April 2008 *
* *
* Copyright (C) 2018 Luke Wren *
* *
* Everyone is permitted to copy and distribute verbatim or modified *
* copies of this license document and accompanying software, and *
* changing either is allowed. *
* *
* TERMS AND CONDITIONS FOR COPYING, DISTRIBUTION AND MODIFICATION *
* *
* 0. You just DO WHAT THE FUCK YOU WANT TO. *
* 1. We're NOT RESPONSIBLE WHEN IT DOESN'T FUCKING WORK. *
* *
*********************************************************************/
/*****************************************************************************\
| Copyright (C) 2021 Luke Wren |
| SPDX-License-Identifier: Apache-2.0 |
\*****************************************************************************/
// Combined multiply/divide/modulo circuit.
// All operations performed at 1 bit per clock; aiming for minimal resource usage.

20
hdl/arith/hazard3_priority_encode.v
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@ -1,19 +1,7 @@
/******************************************************************************
* DO WHAT THE FUCK YOU WANT TO AND DON'T BLAME US PUBLIC LICENSE *
* Version 3, April 2008 *
* *
* Copyright (C) 2019 Luke Wren *
* *
* Everyone is permitted to copy and distribute verbatim or modified *
* copies of this license document and accompanying software, and *
* changing either is allowed. *
* *
* TERMS AND CONDITIONS FOR COPYING, DISTRIBUTION AND MODIFICATION *
* *
* 0. You just DO WHAT THE FUCK YOU WANT TO. *
* 1. We're NOT RESPONSIBLE WHEN IT DOESN'T FUCKING WORK. *
* *
*****************************************************************************/
/*****************************************************************************\
| Copyright (C) 2021 Luke Wren |
| SPDX-License-Identifier: Apache-2.0 |
\*****************************************************************************/
// Really something like this should be in a utility library (or the language!),
// but Hazard3 is supposed to be self-contained

20
hdl/arith/hazard3_shift_barrel.v
View File

@ -1,19 +1,7 @@
/**********************************************************************
* DO WHAT THE FUCK YOU WANT TO AND DON'T BLAME US PUBLIC LICENSE *
* Version 3, April 2008 *
* *
* Copyright (C) 2018 Luke Wren *
* *
* Everyone is permitted to copy and distribute verbatim or modified *
* copies of this license document and accompanying software, and *
* changing either is allowed. *
* *
* TERMS AND CONDITIONS FOR COPYING, DISTRIBUTION AND MODIFICATION *
* *
* 0. You just DO WHAT THE FUCK YOU WANT TO. *
* 1. We're NOT RESPONSIBLE WHEN IT DOESN'T FUCKING WORK. *
* *
*********************************************************************/
/*****************************************************************************\
| Copyright (C) 2021 Luke Wren |
| SPDX-License-Identifier: Apache-2.0 |
\*****************************************************************************/
// Implement the three shifts (left logical, right logical, right arithmetic)
// using a single log-type barrel shifter. Around 240 LUTs for 32 bits.

20
hdl/debug/cdc/hazard3_apb_async_bridge.v
View File

@ -1,19 +1,7 @@
/**********************************************************************
* DO WHAT THE FUCK YOU WANT TO AND DON'T BLAME US PUBLIC LICENSE *
* Version 3, April 2008 *
* *
* Copyright (C) 2021 Luke Wren *
* *
* Everyone is permitted to copy and distribute verbatim or modified *
* copies of this license document and accompanying software, and *
* changing either is allowed. *
* *
* TERMS AND CONDITIONS FOR COPYING, DISTRIBUTION AND MODIFICATION *
* *
* 0. You just DO WHAT THE FUCK YOU WANT TO. *
* 1. We're NOT RESPONSIBLE WHEN IT DOESN'T FUCKING WORK. *
* *
*********************************************************************/
/*****************************************************************************\
| Copyright (C) 2021 Luke Wren |
| SPDX-License-Identifier: Apache-2.0 |
\*****************************************************************************/
// APB-to-APB asynchronous bridge for connecting DTM to DM, in case DTM is in
// a different clock domain (e.g. running directly from crystal to get a

20
hdl/debug/cdc/hazard3_reset_sync.v
View File

@ -1,19 +1,7 @@
/**********************************************************************
* DO WHAT THE FUCK YOU WANT TO AND DON'T BLAME US PUBLIC LICENSE *
* Version 3, April 2008 *
* *
* Copyright (C) 2021 Luke Wren *
* *
* Everyone is permitted to copy and distribute verbatim or modified *
* copies of this license document and accompanying software, and *
* changing either is allowed. *
* *
* TERMS AND CONDITIONS FOR COPYING, DISTRIBUTION AND MODIFICATION *
* *
* 0. You just DO WHAT THE FUCK YOU WANT TO. *
* 1. We're NOT RESPONSIBLE WHEN IT DOESN'T FUCKING WORK. *
* *
*********************************************************************/
/*****************************************************************************\
| Copyright (C) 2021 Luke Wren |
| SPDX-License-Identifier: Apache-2.0 |
\*****************************************************************************/
// The output is asserted asynchronously when the input is asserted,
// but deasserted synchronously when clocked with the input deasserted.

20
hdl/debug/cdc/hazard3_sync_1bit.v
View File

@ -1,19 +1,7 @@
/**********************************************************************
* DO WHAT THE FUCK YOU WANT TO AND DON'T BLAME US PUBLIC LICENSE *
* Version 3, April 2008 *
* *
* Copyright (C) 2021 Luke Wren *
* *
* Everyone is permitted to copy and distribute verbatim or modified *
* copies of this license document and accompanying software, and *
* changing either is allowed. *
* *
* TERMS AND CONDITIONS FOR COPYING, DISTRIBUTION AND MODIFICATION *
* *
* 0. You just DO WHAT THE FUCK YOU WANT TO. *
* 1. We're NOT RESPONSIBLE WHEN IT DOESN'T FUCKING WORK. *
* *
*********************************************************************/
/*****************************************************************************\
| Copyright (C) 2021 Luke Wren |
| SPDX-License-Identifier: Apache-2.0 |
\*****************************************************************************/
// A 2FF synchronizer to mitigate metastabilities. This is a baseline
// implementation -- you should replace it with cells specific to your

20
hdl/debug/dm/hazard3_dm.v
View File

@ -1,19 +1,7 @@
/**********************************************************************
* DO WHAT THE FUCK YOU WANT TO AND DON'T BLAME US PUBLIC LICENSE *
* Version 3, April 2008 *
* *
* Copyright (C) 2021 Luke Wren *
* *
* Everyone is permitted to copy and distribute verbatim or modified *
* copies of this license document and accompanying software, and *
* changing either is allowed. *
* *
* TERMS AND CONDITIONS FOR COPYING, DISTRIBUTION AND MODIFICATION *
* *
* 0. You just DO WHAT THE FUCK YOU WANT TO. *
* 1. We're NOT RESPONSIBLE WHEN IT DOESN'T FUCKING WORK. *
* *
*********************************************************************/
/*****************************************************************************\
| Copyright (C) 2021 Luke Wren |
| SPDX-License-Identifier: Apache-2.0 |
\*****************************************************************************/
// RISC-V Debug Module for Hazard3

5
hdl/hazard3_config.vh
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@ -1,3 +1,8 @@
/*****************************************************************************\
| Copyright (C) 2021 Luke Wren |
| SPDX-License-Identifier: Apache-2.0 |
\*****************************************************************************/
// Hazard3 CPU configuration parameters
// To configure Hazard3 you can either edit this file, or set parameters on

5
hdl/hazard3_config_inst.vh
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@ -1,3 +1,8 @@
/*****************************************************************************\
| Copyright (C) 2021 Luke Wren |
| SPDX-License-Identifier: Apache-2.0 |
\*****************************************************************************/
// Pass-through of parameters defined in hazard3_config.vh, so that these can
// be set at instantiation rather than editing the config file, and will flow
// correctly down through the hierarchy.

20
hdl/hazard3_core.v
View File

@ -1,19 +1,7 @@
/**********************************************************************
* DO WHAT THE FUCK YOU WANT TO AND DON'T BLAME US PUBLIC LICENSE *
* Version 3, April 2008 *
* *
* Copyright (C) 2021 Luke Wren *
* *
* Everyone is permitted to copy and distribute verbatim or modified *
* copies of this license document and accompanying software, and *
* changing either is allowed. *
* *
* TERMS AND CONDITIONS FOR COPYING, DISTRIBUTION AND MODIFICATION *
* *
* 0. You just DO WHAT THE FUCK YOU WANT TO. *
* 1. We're NOT RESPONSIBLE WHEN IT DOESN'T FUCKING WORK. *
* *
*********************************************************************/
/*****************************************************************************\
| Copyright (C) 2021 Luke Wren |
| SPDX-License-Identifier: Apache-2.0 |
\*****************************************************************************/
`default_nettype none

20
hdl/hazard3_cpu_1port.v
View File

@ -1,19 +1,7 @@
/**********************************************************************
* DO WHAT THE FUCK YOU WANT TO AND DON'T BLAME US PUBLIC LICENSE *
* Version 3, April 2008 *
* *
* Copyright (C) 2021 Luke Wren *
* *
* Everyone is permitted to copy and distribute verbatim or modified *
* copies of this license document and accompanying software, and *
* changing either is allowed. *
* *
* TERMS AND CONDITIONS FOR COPYING, DISTRIBUTION AND MODIFICATION *
* *
* 0. You just DO WHAT THE FUCK YOU WANT TO. *
* 1. We're NOT RESPONSIBLE WHEN IT DOESN'T FUCKING WORK. *
* *
*********************************************************************/
/*****************************************************************************\
| Copyright (C) 2021 Luke Wren |
| SPDX-License-Identifier: Apache-2.0 |
\*****************************************************************************/
// Single-ported top level file for Hazard3 CPU. This file instantiates the
// Hazard3 core, and arbitrates its instruction fetch and load/store signals

20
hdl/hazard3_cpu_2port.v
View File

@ -1,19 +1,7 @@
/**********************************************************************
* DO WHAT THE FUCK YOU WANT TO AND DON'T BLAME US PUBLIC LICENSE *
* Version 3, April 2008 *
* *
* Copyright (C) 2021 Luke Wren *
* *
* Everyone is permitted to copy and distribute verbatim or modified *
* copies of this license document and accompanying software, and *
* changing either is allowed. *
* *
* TERMS AND CONDITIONS FOR COPYING, DISTRIBUTION AND MODIFICATION *
* *
* 0. You just DO WHAT THE FUCK YOU WANT TO. *
* 1. We're NOT RESPONSIBLE WHEN IT DOESN'T FUCKING WORK. *
* *
*********************************************************************/
/*****************************************************************************\
| Copyright (C) 2021 Luke Wren |
| SPDX-License-Identifier: Apache-2.0 |
\*****************************************************************************/
// Dual-ported top level file for Hazard3 CPU. This file instantiates the
// Hazard3 core, and interfaces its instruction fetch and load/store signals

20
hdl/hazard3_csr.v
View File

@ -1,19 +1,7 @@
/******************************************************************************
* DO WHAT THE FUCK YOU WANT TO AND DON'T BLAME US PUBLIC LICENSE *
* Version 3, April 2008 *
* *
* Copyright (C) 2021 Luke Wren *
* *
* Everyone is permitted to copy and distribute verbatim or modified *
* copies of this license document and accompanying software, and *
* changing either is allowed. *
* *
* TERMS AND CONDITIONS FOR COPYING, DISTRIBUTION AND MODIFICATION *
* *
* 0. You just DO WHAT THE FUCK YOU WANT TO. *
* 1. We're NOT RESPONSIBLE WHEN IT DOESN'T FUCKING WORK. *
* *
*****************************************************************************/
/*****************************************************************************\
| Copyright (C) 2021 Luke Wren |
| SPDX-License-Identifier: Apache-2.0 |
\*****************************************************************************/
`default_nettype none

20
hdl/hazard3_decode.v
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@ -1,19 +1,7 @@
/******************************************************************************
* DO WHAT THE FUCK YOU WANT TO AND DON'T BLAME US PUBLIC LICENSE *
* Version 3, April 2008 *
* *
* Copyright (C) 2021 Luke Wren *
* *
* Everyone is permitted to copy and distribute verbatim or modified *
* copies of this license document and accompanying software, and *
* changing either is allowed. *
* *
* TERMS AND CONDITIONS FOR COPYING, DISTRIBUTION AND MODIFICATION *
* *
* 0. You just DO WHAT THE FUCK YOU WANT TO. *
* 1. We're NOT RESPONSIBLE WHEN IT DOESN'T FUCKING WORK. *
* *
*****************************************************************************/
/*****************************************************************************\
| Copyright (C) 2021 Luke Wren |
| SPDX-License-Identifier: Apache-2.0 |
\*****************************************************************************/
`default_nettype none

20
hdl/hazard3_frontend.v
View File

@ -1,19 +1,7 @@
/******************************************************************************
* DO WHAT THE FUCK YOU WANT TO AND DON'T BLAME US PUBLIC LICENSE *
* Version 3, April 2008 *
* *
* Copyright (C) 2021 Luke Wren *
* *
* Everyone is permitted to copy and distribute verbatim or modified *
* copies of this license document and accompanying software, and *
* changing either is allowed. *
* *
* TERMS AND CONDITIONS FOR COPYING, DISTRIBUTION AND MODIFICATION *
* *
* 0. You just DO WHAT THE FUCK YOU WANT TO. *
* 1. We're NOT RESPONSIBLE WHEN IT DOESN'T FUCKING WORK. *
* *
*****************************************************************************/
/*****************************************************************************\
| Copyright (C) 2021 Luke Wren |
| SPDX-License-Identifier: Apache-2.0 |
\*****************************************************************************/
`default_nettype none

20
hdl/hazard3_instr_decompress.v
View File

@ -1,19 +1,7 @@
/******************************************************************************
* DO WHAT THE FUCK YOU WANT TO AND DON'T BLAME US PUBLIC LICENSE *
* Version 3, April 2008 *
* *
* Copyright (C) 2021 Luke Wren *
* *
* Everyone is permitted to copy and distribute verbatim or modified *
* copies of this license document and accompanying software, and *
* changing either is allowed. *
* *
* TERMS AND CONDITIONS FOR COPYING, DISTRIBUTION AND MODIFICATION *
* *
* 0. You just DO WHAT THE FUCK YOU WANT TO. *
* 1. We're NOT RESPONSIBLE WHEN IT DOESN'T FUCKING WORK. *
* *
*****************************************************************************/
/*****************************************************************************\
| Copyright (C) 2021 Luke Wren |
| SPDX-License-Identifier: Apache-2.0 |
\*****************************************************************************/
`default_nettype none

4
hdl/hazard3_ops.vh
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@ -1,3 +1,7 @@
/*****************************************************************************\
| Copyright (C) 2021 Luke Wren |
| SPDX-License-Identifier: Apache-2.0 |
\*****************************************************************************/
// ALU operation selectors

20
hdl/hazard3_regfile_1w2r.v
View File

@ -1,19 +1,7 @@
/**********************************************************************
* DO WHAT THE FUCK YOU WANT TO AND DON'T BLAME US PUBLIC LICENSE *
* Version 3, April 2008 *
* *
* Copyright (C) 2018 Luke Wren *
* *
* Everyone is permitted to copy and distribute verbatim or modified *
* copies of this license document and accompanying software, and *
* changing either is allowed. *
* *
* TERMS AND CONDITIONS FOR COPYING, DISTRIBUTION AND MODIFICATION *
* *
* 0. You just DO WHAT THE FUCK YOU WANT TO. *
* 1. We're NOT RESPONSIBLE WHEN IT DOESN'T FUCKING WORK. *
* *
*********************************************************************/
/*****************************************************************************\
| Copyright (C) 2021 Luke Wren |
| SPDX-License-Identifier: Apache-2.0 |
\*****************************************************************************/
// Register file
// Single write port, dual read port

5
hdl/hazard3_width_const.vh
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@ -1,3 +1,8 @@
/*****************************************************************************\
| Copyright (C) 2021 Luke Wren |
| SPDX-License-Identifier: Apache-2.0 |
\*****************************************************************************/
// These really ought to be localparams, but are occasionally needed for
// passing flags around between modules, so are made available as parameters
// instead. It's ugly, but better scope hygiene than the preprocessor. These

20
hdl/peri/hazard3_riscv_timer.v
View File

@ -1,19 +1,7 @@
/**********************************************************************
* DO WHAT THE FUCK YOU WANT TO AND DON'T BLAME US PUBLIC LICENSE *
* Version 3, April 2008 *
* *
* Copyright (C) 2021 Luke Wren *
* *
* Everyone is permitted to copy and distribute verbatim or modified *
* copies of this license document and accompanying software, and *
* changing either is allowed. *
* *
* TERMS AND CONDITIONS FOR COPYING, DISTRIBUTION AND MODIFICATION *
* *
* 0. You just DO WHAT THE FUCK YOU WANT TO. *
* 1. We're NOT RESPONSIBLE WHEN IT DOESN'T FUCKING WORK. *
* *
*********************************************************************/
/*****************************************************************************\
| Copyright (C) 2021 Luke Wren |
| SPDX-License-Identifier: Apache-2.0 |
\*****************************************************************************/
// Implementation of standard RISC-V timer (mtime/mtimeh mtimecmp/mtimecmph)
// accessed over 32-bit data bus.

5
hdl/rv_opcodes.vh
View File

@ -1,3 +1,8 @@
/*****************************************************************************\
| Copyright (C) 2021 Luke Wren |
| SPDX-License-Identifier: Apache-2.0 |
\*****************************************************************************/
localparam RV_RS1_LSB = 15;
localparam RV_RS1_BITS = 5;
localparam RV_RS2_LSB = 20;