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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
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@ -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 * | Copyright (C) 2021 Luke Wren |
* Version 3, April 2008 * | SPDX-License-Identifier: Apache-2.0 |
* * \*****************************************************************************/
* 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. *
* *
*********************************************************************/
// FPGA toplevel for ../soc/example_soc.v on an iCEBreaker dev board // FPGA toplevel for ../soc/example_soc.v on an iCEBreaker dev board

35
example_soc/fpga/fpga_ulx3s.v
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@ -1,19 +1,7 @@
/********************************************************************** /*****************************************************************************\
* DO WHAT THE FUCK YOU WANT TO AND DON'T BLAME US PUBLIC LICENSE * | Copyright (C) 2021 Luke Wren |
* Version 3, April 2008 * | SPDX-License-Identifier: Apache-2.0 |
* * \*****************************************************************************/
* 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. *
* *
*********************************************************************/
`default_nettype none `default_nettype none
@ -45,13 +33,18 @@ fpga_reset #(
example_soc #( example_soc #(
.DTM_TYPE ("ECP5"), .DTM_TYPE ("ECP5"),
.SRAM_DEPTH (1 << 15), .SRAM_DEPTH (1 << 12),
.EXTENSION_C (0),
.EXTENSION_M (1), .EXTENSION_M (1),
.CSR_COUNTER (1), .EXTENSION_A (1),
.MUL_FAST (1), .EXTENSION_C (0),
.MULDIV_UNROLL (2) .EXTENSION_ZBA (0),
.EXTENSION_ZBB (0),
.EXTENSION_ZBC (0),
.EXTENSION_ZBS (0),
.CSR_COUNTER (0),
.MUL_FAST (0),
.MULDIV_UNROLL (1)
) soc_u ( ) soc_u (
.clk (clk_sys), .clk (clk_sys),
.rst_n (rst_n_sys), .rst_n (rst_n_sys),

20
example_soc/soc/example_soc.v
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@ -1,19 +1,7 @@
/********************************************************************** /*****************************************************************************\
* DO WHAT THE FUCK YOU WANT TO AND DON'T BLAME US PUBLIC LICENSE * | Copyright (C) 2021 Luke Wren |
* Version 3, April 2008 * | SPDX-License-Identifier: Apache-2.0 |
* * \*****************************************************************************/
* 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. *
* *
*********************************************************************/
// Example file integrating a Hazard3 processor, processor JTAG + debug // Example file integrating a Hazard3 processor, processor JTAG + debug
// components, some memory and a UART. // components, some memory and a UART.

20
hdl/arith/hazard3_alu.v
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@ -1,19 +1,7 @@
/********************************************************************** /*****************************************************************************\
* DO WHAT THE FUCK YOU WANT TO AND DON'T BLAME US PUBLIC LICENSE * | Copyright (C) 2021 Luke Wren |
* Version 3, April 2008 * | SPDX-License-Identifier: Apache-2.0 |
* * \*****************************************************************************/
* 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. *
* *
*********************************************************************/
`default_nettype none `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 * | Copyright (C) 2021 Luke Wren |
* Version 3, April 2008 * | SPDX-License-Identifier: Apache-2.0 |
* * \*****************************************************************************/
* 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. *
* *
*********************************************************************/
// Separate ALU for atomic memory operations // Separate ALU for atomic memory operations

20
hdl/arith/hazard3_mul_fast.v
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@ -1,19 +1,7 @@
/********************************************************************** /*****************************************************************************\
* DO WHAT THE FUCK YOU WANT TO AND DON'T BLAME US PUBLIC LICENSE * | Copyright (C) 2021 Luke Wren |
* Version 3, April 2008 * | SPDX-License-Identifier: Apache-2.0 |
* * \*****************************************************************************/
* 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. *
* *
*********************************************************************/
// MUL-only (cfg: MUL_FAST) and MUL/MULH/MULHU/MULHSU (cfg: MUL_FAST && // 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 // 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 * | Copyright (C) 2021 Luke Wren |
* Version 3, April 2008 * | SPDX-License-Identifier: Apache-2.0 |
* * \*****************************************************************************/
* 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. *
* *
*********************************************************************/
// Combined multiply/divide/modulo circuit. // Combined multiply/divide/modulo circuit.
// All operations performed at 1 bit per clock; aiming for minimal resource usage. // 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 * | Copyright (C) 2021 Luke Wren |
* Version 3, April 2008 * | SPDX-License-Identifier: Apache-2.0 |
* * \*****************************************************************************/
* 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. *
* *
*****************************************************************************/
// Really something like this should be in a utility library (or the language!), // Really something like this should be in a utility library (or the language!),
// but Hazard3 is supposed to be self-contained // but Hazard3 is supposed to be self-contained

20
hdl/arith/hazard3_shift_barrel.v
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@ -1,19 +1,7 @@
/********************************************************************** /*****************************************************************************\
* DO WHAT THE FUCK YOU WANT TO AND DON'T BLAME US PUBLIC LICENSE * | Copyright (C) 2021 Luke Wren |
* Version 3, April 2008 * | SPDX-License-Identifier: Apache-2.0 |
* * \*****************************************************************************/
* 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. *
* *
*********************************************************************/
// Implement the three shifts (left logical, right logical, right arithmetic) // Implement the three shifts (left logical, right logical, right arithmetic)
// using a single log-type barrel shifter. Around 240 LUTs for 32 bits. // using a single log-type barrel shifter. Around 240 LUTs for 32 bits.

20
hdl/debug/cdc/hazard3_apb_async_bridge.v
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@ -1,19 +1,7 @@
/********************************************************************** /*****************************************************************************\
* DO WHAT THE FUCK YOU WANT TO AND DON'T BLAME US PUBLIC LICENSE * | Copyright (C) 2021 Luke Wren |
* Version 3, April 2008 * | SPDX-License-Identifier: Apache-2.0 |
* * \*****************************************************************************/
* 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. *
* *
*********************************************************************/
// APB-to-APB asynchronous bridge for connecting DTM to DM, in case DTM is in // 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 // a different clock domain (e.g. running directly from crystal to get a

20
hdl/debug/cdc/hazard3_reset_sync.v
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@ -1,19 +1,7 @@
/********************************************************************** /*****************************************************************************\
* DO WHAT THE FUCK YOU WANT TO AND DON'T BLAME US PUBLIC LICENSE * | Copyright (C) 2021 Luke Wren |
* Version 3, April 2008 * | SPDX-License-Identifier: Apache-2.0 |
* * \*****************************************************************************/
* 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. *
* *
*********************************************************************/
// The output is asserted asynchronously when the input is asserted, // The output is asserted asynchronously when the input is asserted,
// but deasserted synchronously when clocked with the input deasserted. // but deasserted synchronously when clocked with the input deasserted.

20
hdl/debug/cdc/hazard3_sync_1bit.v
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@ -1,19 +1,7 @@
/********************************************************************** /*****************************************************************************\
* DO WHAT THE FUCK YOU WANT TO AND DON'T BLAME US PUBLIC LICENSE * | Copyright (C) 2021 Luke Wren |
* Version 3, April 2008 * | SPDX-License-Identifier: Apache-2.0 |
* * \*****************************************************************************/
* 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. *
* *
*********************************************************************/
// A 2FF synchronizer to mitigate metastabilities. This is a baseline // A 2FF synchronizer to mitigate metastabilities. This is a baseline
// implementation -- you should replace it with cells specific to your // implementation -- you should replace it with cells specific to your

20
hdl/debug/dm/hazard3_dm.v
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@ -1,19 +1,7 @@
/********************************************************************** /*****************************************************************************\
* DO WHAT THE FUCK YOU WANT TO AND DON'T BLAME US PUBLIC LICENSE * | Copyright (C) 2021 Luke Wren |
* Version 3, April 2008 * | SPDX-License-Identifier: Apache-2.0 |
* * \*****************************************************************************/
* 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. *
* *
*********************************************************************/
// RISC-V Debug Module for Hazard3 // 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 // Hazard3 CPU configuration parameters
// To configure Hazard3 you can either edit this file, or set parameters on // 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 // 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 // be set at instantiation rather than editing the config file, and will flow
// correctly down through the hierarchy. // correctly down through the hierarchy.

20
hdl/hazard3_core.v
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@ -1,19 +1,7 @@
/********************************************************************** /*****************************************************************************\
* DO WHAT THE FUCK YOU WANT TO AND DON'T BLAME US PUBLIC LICENSE * | Copyright (C) 2021 Luke Wren |
* Version 3, April 2008 * | SPDX-License-Identifier: Apache-2.0 |
* * \*****************************************************************************/
* 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. *
* *
*********************************************************************/
`default_nettype none `default_nettype none

20
hdl/hazard3_cpu_1port.v
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@ -1,19 +1,7 @@
/********************************************************************** /*****************************************************************************\
* DO WHAT THE FUCK YOU WANT TO AND DON'T BLAME US PUBLIC LICENSE * | Copyright (C) 2021 Luke Wren |
* Version 3, April 2008 * | SPDX-License-Identifier: Apache-2.0 |
* * \*****************************************************************************/
* 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. *
* *
*********************************************************************/
// Single-ported top level file for Hazard3 CPU. This file instantiates the // Single-ported top level file for Hazard3 CPU. This file instantiates the
// Hazard3 core, and arbitrates its instruction fetch and load/store signals // Hazard3 core, and arbitrates its instruction fetch and load/store signals

20
hdl/hazard3_cpu_2port.v
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@ -1,19 +1,7 @@
/********************************************************************** /*****************************************************************************\
* DO WHAT THE FUCK YOU WANT TO AND DON'T BLAME US PUBLIC LICENSE * | Copyright (C) 2021 Luke Wren |
* Version 3, April 2008 * | SPDX-License-Identifier: Apache-2.0 |
* * \*****************************************************************************/
* 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. *
* *
*********************************************************************/
// Dual-ported top level file for Hazard3 CPU. This file instantiates the // Dual-ported top level file for Hazard3 CPU. This file instantiates the
// Hazard3 core, and interfaces its instruction fetch and load/store signals // Hazard3 core, and interfaces its instruction fetch and load/store signals

20
hdl/hazard3_csr.v
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@ -1,19 +1,7 @@
/****************************************************************************** /*****************************************************************************\
* DO WHAT THE FUCK YOU WANT TO AND DON'T BLAME US PUBLIC LICENSE * | Copyright (C) 2021 Luke Wren |
* Version 3, April 2008 * | SPDX-License-Identifier: Apache-2.0 |
* * \*****************************************************************************/
* 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. *
* *
*****************************************************************************/
`default_nettype none `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 * | Copyright (C) 2021 Luke Wren |
* Version 3, April 2008 * | SPDX-License-Identifier: Apache-2.0 |
* * \*****************************************************************************/
* 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. *
* *
*****************************************************************************/
`default_nettype none `default_nettype none

20
hdl/hazard3_frontend.v
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@ -1,19 +1,7 @@
/****************************************************************************** /*****************************************************************************\
* DO WHAT THE FUCK YOU WANT TO AND DON'T BLAME US PUBLIC LICENSE * | Copyright (C) 2021 Luke Wren |
* Version 3, April 2008 * | SPDX-License-Identifier: Apache-2.0 |
* * \*****************************************************************************/
* 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. *
* *
*****************************************************************************/
`default_nettype none `default_nettype none

20
hdl/hazard3_instr_decompress.v
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@ -1,19 +1,7 @@
/****************************************************************************** /*****************************************************************************\
* DO WHAT THE FUCK YOU WANT TO AND DON'T BLAME US PUBLIC LICENSE * | Copyright (C) 2021 Luke Wren |
* Version 3, April 2008 * | SPDX-License-Identifier: Apache-2.0 |
* * \*****************************************************************************/
* 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. *
* *
*****************************************************************************/
`default_nettype none `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 // ALU operation selectors

20
hdl/hazard3_regfile_1w2r.v
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@ -1,19 +1,7 @@
/********************************************************************** /*****************************************************************************\
* DO WHAT THE FUCK YOU WANT TO AND DON'T BLAME US PUBLIC LICENSE * | Copyright (C) 2021 Luke Wren |
* Version 3, April 2008 * | SPDX-License-Identifier: Apache-2.0 |
* * \*****************************************************************************/
* 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. *
* *
*********************************************************************/
// Register file // Register file
// Single write port, dual read port // 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 // These really ought to be localparams, but are occasionally needed for
// passing flags around between modules, so are made available as parameters // passing flags around between modules, so are made available as parameters
// instead. It's ugly, but better scope hygiene than the preprocessor. These // instead. It's ugly, but better scope hygiene than the preprocessor. These

20
hdl/peri/hazard3_riscv_timer.v
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@ -1,19 +1,7 @@
/********************************************************************** /*****************************************************************************\
* DO WHAT THE FUCK YOU WANT TO AND DON'T BLAME US PUBLIC LICENSE * | Copyright (C) 2021 Luke Wren |
* Version 3, April 2008 * | SPDX-License-Identifier: Apache-2.0 |
* * \*****************************************************************************/
* 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. *
* *
*********************************************************************/
// Implementation of standard RISC-V timer (mtime/mtimeh mtimecmp/mtimecmph) // Implementation of standard RISC-V timer (mtime/mtimeh mtimecmp/mtimecmph)
// accessed over 32-bit data bus. // accessed over 32-bit data bus.

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