From: Jesse Taube <mr.bossman075@gmail.com>
To: buildroot@buildroot.org
Cc: Mark Corbin <mark@dibsco.co.uk>,
Thomas Petazzoni <thomas.petazzoni@bootlin.com>,
Romain Naour <romain.naour@gmail.com>,
Charles Lohr <lohr85@gmail.com>, Yimin Gu <ustcymgu@gmail.com>,
Giulio Benetti <giulio.benetti@benettiengineering.com>
Subject: Re: [Buildroot] [PATCH v2 0/4] Add RISC-V 32 NOMMU support
Date: Sun, 12 Feb 2023 15:59:45 -0500 [thread overview]
Message-ID: <d7553ec3-4bc1-a53b-558c-bc7c7651f30d@gmail.com> (raw)
In-Reply-To: <20221217051337.3778405-1-Mr.Bossman075@gmail.com>
Any updates on this set?
On 12/17/22 00:13, Jesse Taube wrote:
> This patch-set aims to add NOMMU support to RV32.
> Many people want to build simple emulators or HDL
> models of RISC-V this patch makes it posible to
> run linux on them.
>
> Yimin Gu is the original author of this set.
> Submitted here:
> https://lists.buildroot.org/pipermail/buildroot/2022-November/656134.html
>
> Though Jesse T made the configs more concise.
> Aswell fixed the 1k line Dconf,
> and split into 3 distinct patches.
>
> A couple things to note:
> - UcLibc seems to want __ARCH_WANT_TIME32_SYSCALLS
> for adjtimex, but Linux doesnt provide this for RV32.
> - Patch 2 adds __ARCH_WANT_STAT64,
> but I'm not sure if this is needed.
> - Busybox doesnt build umask or unset for NOMMU systems.
> I have seen this happen on STM32 aswell as I.MXRT
>
> [__ARCH_WANT_TIME32_SYSCALLS]:
> https://patchwork.kernel.org/project/linux-arm-kernel/patch/20190218210712.3503891-5-arnd@arndb.de/
>
> Jesse Taube (1):
> configs/qemu_riscv32_nommu_virt_defconfig: New defconfig
>
> Yimin Gu (3):
> package/elf2flt: add RISC-V 32-bits support
> package/uclibc: Add RISC-V 32-bit support
> arch: Enable support for RISC-V 32-bit NOMMU
>
> arch/Config.in.riscv | 2 -
> board/qemu/riscv32-virt/nommu/defconfig | 16 ++
> .../riscv32-virt/nommu/patches/linux-headers | 1 +
> ...nfig-Allow-RV32-to-build-with-no-MMU.patch | 43 ++++++
> ...le-stat64-and-time32-for-RV32-uclibc.patch | 40 +++++
> board/qemu/riscv32-virt/readme.txt | 6 +-
> configs/qemu_riscv32_nommu_virt_defconfig | 31 ++++
> package/Makefile.in | 4 +-
> .../0007-Added-RISC-V-32-bit-support.patch | 87 +++++++++++
> .../uclibc/0001-RISC-V-32-bit-support.patch | 145 ++++++++++++++++++
> package/uclibc/Config.in | 2 +
> 11 files changed, 372 insertions(+), 5 deletions(-)
> create mode 100644 board/qemu/riscv32-virt/nommu/defconfig
> create mode 120000 board/qemu/riscv32-virt/nommu/patches/linux-headers
> create mode 100644 board/qemu/riscv32-virt/nommu/patches/linux/6.0/0001-riscv-Kconfig-Allow-RV32-to-build-with-no-MMU.patch
> create mode 100644 board/qemu/riscv32-virt/nommu/patches/linux/6.0/0002-riscv-Enable-stat64-and-time32-for-RV32-uclibc.patch
> create mode 100644 configs/qemu_riscv32_nommu_virt_defconfig
> create mode 100644 package/elf2flt/0007-Added-RISC-V-32-bit-support.patch
> create mode 100644 package/uclibc/0001-RISC-V-32-bit-support.patch
>
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prev parent reply other threads:[~2023-02-12 20:59 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-12-17 5:13 [Buildroot] [PATCH v2 0/4] Add RISC-V 32 NOMMU support Jesse Taube
2022-12-17 5:13 ` [Buildroot] [PATCH v2 1/4] package/elf2flt: add RISC-V 32-bits support Jesse Taube
2022-12-17 5:13 ` [Buildroot] [PATCH v2 2/4] package/uclibc: Add RISC-V 32-bit support Jesse Taube
2023-09-30 21:31 ` Romain Naour
2022-12-17 5:13 ` [Buildroot] [PATCH v2 3/4] arch: Enable support for RISC-V 32-bit NOMMU Jesse Taube
2022-12-17 5:13 ` [Buildroot] [PATCH v2 4/4] configs/qemu_riscv32_nommu_virt_defconfig: New defconfig Jesse Taube
2023-10-01 7:15 ` Romain Naour
2023-10-01 11:39 ` Waldemar Brodkorb
2023-10-01 12:02 ` Romain Naour
2023-10-01 14:09 ` Waldemar Brodkorb
2023-01-08 19:40 ` [Buildroot] [PATCH v2 0/4] Add RISC-V 32 NOMMU support Jesse Taube
2023-02-12 20:59 ` Jesse Taube [this message]
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