Marcus Comstedt zeldin

vanadis ~ # cat /usr/local/portage/app-misc/twoleveltest/twoleveltest-0.ebuild
EAPI=7
SLOT=0
KEYWORDS="riscv"
S="${WORKDIR}"
src_install() {
  echo "hello" > foobar
  insinto /usr/lib64/lp64d
  doins foobar

This is a comparison between an AVR softcore and the picorv32 when used in a real application. The numbers are for the entire application, not for the cores in isolation. Only minimal changes were made to the HDL and firmware code to adapt to the new core (the peripherals were updated to handle a 32-bit bus, and the interrupt handling was adapted to picorv32, otherwise the code is identical) and the same optimization flags (-Os -mrelax) were used with both cores.

The following were the relevant design constraints:

Synthetizable on an iCE40 HX8K
fCPU = 17 MHz

	# This work is marked with CC0 1.0. To view a copy of this license,
	# visit http://creativecommons.org/publicdomain/zero/1.0

	ARG WEBUI_VERSION=1.5.2
	ARG TORCH_VERSION=2.0.1
	ARG VISION_VERSION=0.15.2
	ARG MAX_JOBS=8

	FROM debian:11 AS base

	FROM debian:11.6

	ENV DEBIAN_FRONTEND=noninteractive

	RUN echo 'deb-src http://deb.debian.org/debian bullseye main' >> \
	/etc/apt/sources.list && apt-get update
	RUN apt-get install -y --no-install-recommends dpkg-dev

	WORKDIR /tmp

	FROM ubuntu:jammy

	ENV DEBIAN_FRONTEND=noninteractive

	RUN sed -i -e '/deb-src/s/^#//' /etc/apt/sources.list && apt-get update
	RUN apt-get install -y --no-install-recommends dpkg-dev

	WORKDIR /tmp

	RUN apt-get source breezy

	// Copyright Oliver Kowalke 2016.
	// Distributed under the Boost Software License, Version 1.0.
	// (See accompanying file LICENSE_1_0.txt or copy at
	// http://www.boost.org/LICENSE_1_0.txt)
	// libcontext adaptation by Marcus Comstedt 2022

	#include <cstdlib>
	#include <iostream>
	#include <memory>

	FEATURES=test USE=test emerge -1a dev-haskell/mtl dev-haskell/text dev-haskell/fail dev-haskell/transformers dev-haskell/parsec dev-haskell/transformers-compat dev-haskell/cabal dev-haskell/tagged dev-haskell/splitmix dev-haskell/primitive dev-haskell/colour dev-haskell/nanospec dev-haskell/cabal-doctest dev-haskell/th-abstraction dev-haskell/clock dev-haskell/setenv dev-haskell/stm dev-haskell/random dev-haskell/call-stack dev-haskell/ansi-terminal dev-haskell/quickcheck dev-haskell/hunit dev-haskell/tf-random dev-haskell/quickcheck-io dev-haskell/hspec-expectations
	FEATURES=-test USE=-test emerge -1a dev-haskell/hspec-discover dev-haskell/hspec-core # check only these 2 are merged
	FEATURES=test USE=test emerge -1a dev-haskell/hspec-discover dev-haskell/hspec-core
	FEATURES=test USE=test emerge -a @preserved-rebuild # Should rebuild dev-haskell/hspec

	Only three rebuilds are needed; dev-haskell/hspec-discover dev-haskell/hspec-core and dev-haskell/hspec


	Build list for first command (25 builds)

	Debian patches needed for riscv64:

	latomic-subword.patch

	Debian patches needed for ppc (32-bit):

	latomic-subword.patch
	latomic-64bit.patch

	#!/bin/sh
	version="$@"
	if [ -z "$version" ]; then
	version="`equery l -F '$fullversion' -p dev-lang/ghc \| tail -1`"
	fi
	PKGDIR="/tmp/`uname -m`/packages"
	[ -d "$PKGDIR" ] \|\| mkdir -p "$PKGDIR"
	export PKGDIR
	CFLAGS="-O2 -pipe"
	export CFLAGS

	1) Build the Docker at https://github.com/gregwebs/ghc-docker-dev.git
	for the target arch
	2) Inside the Docker, make a manual build from the upstreams ghc
	sources, with all the Debian patches applied, with a prefix of
	/tmp/ghcfoo
	3) Copy /tmp/ghcfoo from the Docker to the target system
	4) Set up /etc/portage/env/dev-lang/ghc to add the ghc binary in
	/tmp/ghcfoo to the path
	5) Build the ebuild with USE=ghcbootstrap
	6) Delete the /etc/portage/env file and rebuild the ebuild again, to