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.
To be useful this series also require the RISC-V binfmt_flat support, which I've sent out separately. A branch that includes this series and the binfmt_flat support is available here: git://git.infradead.org/users/hch/riscv.git riscv-nommu.2 Gitweb: http://git.infradead.org/users/hch/riscv.git/shortlog/refs/heads/riscv-nommu.2 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 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