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| -rw-r--r-- | README.md | 45 | ||||
| -rw-r--r-- | dhrystone/README | 1 | ||||
| -rw-r--r-- | firmware/README | 2 | ||||
| -rw-r--r-- | testbench.v | 7 |
4 files changed, 55 insertions, 0 deletions
@@ -57,6 +57,51 @@ non-branching instructions in an external coprocessor. An implementation of a core that implements the `MUL[H[SU|U]]` instructions is provided. +Files in this Repository: +------------------------- + +#### README.md + +You are reading it right now. + +#### picorv32.v + +This Verilog file contains the following Verilog modules: + +| Module | Description | +| ----------------------- | ------------------------------------------------------------- | +| `picorv32` | The PicoRV32 CPU | +| `picorv32_axi` | The version of the CPU with AXI4-Lite interface | +| `picorv32_axi_adapter` | Adapter from PicoRV32 Memory Interface to AXI4-Lite | +| `picorv32_pcpi_mul` | A PCPI core that implements the `MUL[H[SU|U]]` instructions | + +Simply copy this file into your project. + +#### Makefile and testbench.v + +A basic test environment run `make test`, `make test_sp` and/or `make test_axi` to run +the test firmware in different environments. + +#### firmware/ + +A simple test firmware. This runs the basic tests from `tests/`, some C code, tests IRQ +handling and the multiply PCPI core. + +All the code in `firmware/` is in the public domain. Simply copy whatever you can use. + +#### tests/ + +Simple instruction-level tests from [riscv-tests](https://github.com/riscv/riscv-tests). + +#### dhrystone/ + +Another simple test firmware that runs the Dhrystome benchmark. + +#### scripts/ + +Various scripts and examples for different (synthesis) tools and hardware architectures. + + Parameters: ----------- diff --git a/dhrystone/README b/dhrystone/README new file mode 100644 index 0000000..e08b25b --- /dev/null +++ b/dhrystone/README @@ -0,0 +1 @@ +The Dhrystone benchmark and a verilog testbench to run it. diff --git a/firmware/README b/firmware/README new file mode 100644 index 0000000..2ade487 --- /dev/null +++ b/firmware/README @@ -0,0 +1,2 @@ +A simple test firmware. This code is in the public domain. Simply copy whatever +you can use. diff --git a/testbench.v b/testbench.v index 292db7a..135fbdc 100644 --- a/testbench.v +++ b/testbench.v @@ -1,3 +1,10 @@ +// This is free and unencumbered software released into the public domain. +// +// Anyone is free to copy, modify, publish, use, compile, sell, or +// distribute this software, either in source code form or as a compiled +// binary, for any purpose, commercial or non-commercial, and by any +// means. + `timescale 1 ns / 1 ps // `define VERBOSE // `define AXI_TEST |