microwatt
chiselwatt
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| microwatt | chiselwatt | |
|---|---|---|
| 19 | 2 | |
| 643 | 97 | |
| - | - | |
| 6.7 | 0.0 | |
| 17 days ago | about 1 year ago | |
| Verilog | Scala | |
| GNU General Public License v3.0 or later | GNU General Public License v3.0 or later |
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microwatt
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Microwatt: A tiny Open POWER ISA softcore written in VHDL 2008
My favorite part of this project is the pretty large battery of test cases. A lot of chip rtl releases don't bother with open sourcing the verification too, and that's arguably more useful than the rtl in the first place.
https://github.com/antonblanchard/microwatt/tree/master/test...
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Arm wants to charge dramatically more for chip licenses
MicroWatt is the only one I know of.
https://github.com/antonblanchard/microwatt
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RISC-V Pushes into the Mainstream
I have several OpenPOWER systems, including the POWER9 I use as my usual desktop. Besides IBM and other server manufacturers like Tyan and Wistron, you can get them as Raptor workstations and servers.
If you want an OpenPOWER design to play with, look at Microwatt ( https://github.com/antonblanchard/microwatt ) which is complete enough to boot Linux.
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How long until RISC gets adopted for the desktop?
Not true, as of 2019 the power ISA is able to be used without needing to pay any royalties to ibm under the openpower foundation. There's already a few projects that have taken advantage of it such as libreSOC and Microwatt. Source code for various firmware components are also freely available pertaining to the power platform.
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Build Open Silicon with Google
https://github.com/antonblanchard/microwatt is an example of a Linux-capable 64-bit core that has been submitted on multiple Open MPW shuttles:
- Any raw binary generic platform-agnostic test roms for PowerPC?
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What would you think if the Amiga line jumped from PowerPc to RISC-V CPUs?
GitHub https://github.com/openpower-cores https://github.com/antonblanchard/microwatt
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Keeping POWER relevant in the open source world
At the other end of the scale, if anyone wants to play you can run a little openpower CPU on a FPGA with completely open source. https://github.com/antonblanchard/microwatt
It's capable of running Linux, some example docs are https://shenki.github.io/boot-linux-on-microwatt/
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What is your take on ISA architectures for FPGAs (x86, arm, risc-v)?
Why dismiss POWER or SPARC ? :-)
chiselwatt
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OpenPOWER Foundation announces LibreBMC, a POWER-based, fully open-source BMC
Well the same guy (yes, he is a madman) did another one in Chisel, which is one step removed from Verilog: https://github.com/antonblanchard/chiselwatt
I don't spend enough time with FPGAs to even pretend to have an educated opinion on HDLs.
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Exploiting Undocumented Hardware Blocks in the LPC55S69
You might be interested in what Anton Blanchard has been up to with the power ISA soft cores, it seems like his work has spanned the bulk of the FPGA toolkits, and I think his latest is taped out for the SKY130 run. His work is also being adapted for an openBMC replacement, which would offer an opportunity to dust off some old Xzibit templates, so thats good.
https://github.com/antonblanchard/microwatt
https://github.com/antonblanchard/chiselwatt
https://www.efabless.com/projects/29
https://gitlab.raptorengineering.com/kestrel-collaboration/k...
What are some alternatives?
midimonster - Multi-protocol control & translation software (ArtNet, MIDI, OSC, sACN, ...)
obmc-console - OpenBMC host console infrastructure
Apollo-11 - Original Apollo 11 Guidance Computer (AGC) source code for the command and lunar modules.
OpenSkyStacker - Multi-platform stacker for deep-sky astrophotography.
VexRiscvBPluginGenerator
librealsense - Intel® RealSense™ SDK
riscv_vhdl - Portable RISC-V System-on-Chip implementation: RTL, debugger and simulators
oneDNN - oneAPI Deep Neural Network Library (oneDNN)
a2o
vISA
ao486_MiSTer - ao486 port for MiSTer
lxp32-cpu - A lightweight, open source and FPGA-friendly 32-bit CPU core based on an original instruction set