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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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      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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