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Message-Id: <20190813154747.24256-1-hch@lst.de>
Date: Tue, 13 Aug 2019 17:47:32 +0200
From: Christoph Hellwig <hch@....de>
To: Palmer Dabbelt <palmer@...ive.com>,
Paul Walmsley <paul.walmsley@...ive.com>
Cc: Damien Le Moal <damien.lemoal@....com>,
linux-riscv@...ts.infradead.org, linux-kernel@...r.kernel.org
Subject: RISC-V nommu support v3
Hi all,
below is a series to support nommu mode on RISC-V. For now this series
just works under qemu with the qemu-virt platform, but Damien has also
been able to get kernel based on this tree with additional driver hacks
to work on the Kendryte KD210, but that will take a while to cleanup
an upstream.
A git tree is available here:
git://git.infradead.org/users/hch/riscv.git riscv-nommu.3
Gitweb:
http://git.infradead.org/users/hch/riscv.git/shortlog/refs/heads/riscv-nommu.3
I've also pushed out a builtroot branch that can build a RISC-V nommu
root filesystem here:
git://git.infradead.org/users/hch/buildroot.git riscv-nommu.2
Gitweb:
http://git.infradead.org/users/hch/buildroot.git/shortlog/refs/heads/riscv-nommu.2
Changes since v2:
- rebased to 5.3-rc
- remove the EFI image header for nommu builds
- set ARCH_SLAB_MINALIGN to ensure stack alignment in the flat binary
loader
- minor comment improvement
- use #defines for more CSRs
Changes since v1:
- fixes so that a kernel with this series still work on builds with an
IOMMU
- small clint cleanups
- the binfmt_flat base and buildroot now don't put arguments on the stack
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