Date: Fri, 31 Jan 2025 18:27:45 +0100 From: Robert Clausecker <fuz@fuz.su> To: Mitchell Horne <mhorne@freebsd.org> Cc: Robert Clausecker <fuz@freebsd.org>, ports-committers@freebsd.org, dev-commits-ports-all@freebsd.org, dev-commits-ports-main@freebsd.org, uboot@freebsd.org Subject: Re: git: 5912458941af - main - emulators/rvvm: RISC-V Virtual Machine Message-ID: <Z50IEYwxNpQjCgcj@fuz.su> In-Reply-To: <d4c306ed-c716-4efa-a01c-e897040914e8@freebsd.org> References: <202501230107.50N17LLp083244@gitrepo.freebsd.org> <Z5Gd0GrzIShXwprF@fuz.su> <d4c306ed-c716-4efa-a01c-e897040914e8@freebsd.org>
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Hi Mitch, Thank you for looking into this. Am Fri, Jan 31, 2025 at 01:15:08PM -0400 schrieb Mitchell Horne: > > > emulators/rvvm: RISC-V Virtual Machine > > > RVVM is a virtual machine / emulator for RISC-V guests, which emphasizes > > > on performance, security, lean code and portability. It already runs a > > > lot of guest operating systems, including Linux, Haiku, FreeBSD, > > > OpenBSD, etc. It also aims to run RISC-V applications on a foreign-arch > > > host without full OS guest & isolation (Userland emulation). > > > WWW: https://github.com/LekKit/RVVM > > Cool, thanks for creating the port! > > > > --- > > > emulators/Makefile | 1 + > > > emulators/rvvm/Makefile | 79 +++++++++++++++++++++++++++++++++++++ > > > emulators/rvvm/distinfo | 9 +++++ > > > emulators/rvvm/files/patch-Makefile | 75 +++++++++++++++++++++++++++++++++++ > > > emulators/rvvm/files/pkg-message.in | 11 ++++++ > > > emulators/rvvm/pkg-descr | 5 +++ > > > emulators/rvvm/pkg-plist | 30 ++++++++++++++ > > > 7 files changed, 210 insertions(+) > > > > > +MASTER_SITES= https://github.com/LekKit/patches-misc/releases/download/rvvm-uboot-2024.7/:fw \ > > > + https://github.com/LekKit/riscv-tests/releases/download/rvvm-tests/:tests > > > +DISTFILES= ${FWFILES:.bin=.bin:fw} riscv-tests.tar.gz:tests > > > > It would be great if we could build these firmware images from source. > > Upstream provides a patch set for U-Boot in the repository given > > in MASTER_SITES, but I don't know enough about U-Boot to generate > > the right images from that. Maybe someone from uboot@ could help? > > > > The link you shared above is inaccessible to me, but browsing the repo > I was able to find the patch against v2024.07 [1]. > > It basically enables a couple key things in the qemu-riscv config: > - Simple framebuffer > - NVMe as a default boot target > > These changes have since been applied upstream, meaning the next > upgrade to our u-boot ports should make the u-boot-qemu-riscv64 > firmware totally usable for RVVM. That sounds great. I'll keep this in mind and once the time has come replace the bundled firmware files with a dependency on the vanilla firmware. > The current version (2024.07) seems to be usable, if you provide > -nogui to rvvm and type 'run nvme_boot' at the u-boot command prompt. > > This does not answer the question about applying patches. I don't > exactly know how it works with these ports, and it is overall > discouraged. > > I hope this helps regardless. > > Mitchell > > [1] https://github.com/LekKit/patches-misc/blob/master/uboot/uboot2024.7_rvvm_support.patch Yours, Robert Clausecker -- () ascii ribbon campaign - for an encoding-agnostic world /\ - against html email - against proprietary attachments
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