On Sun, Jul 29, 2018 at 4:28 AM, Peter Maydell <peter.mayd...@linaro.org> wrote: > On 28 July 2018 at 17:36, Richard Henderson > <richard.hender...@linaro.org> wrote: >> On 07/27/2018 04:49 PM, Alistair Francis wrote: >>> Allow QEMU to be built to run on a RISC-V host. >>> >>> QEMU does not yet have a RISC-V TCG or user mode target port, but >>> running other architectures on RISC-V using TCI does work. >>> >>> Signed-off-by: Alistair Francis <alistair.fran...@wdc.com> >>> --- >>> configure | 18 +++++++++++++++++- >>> 1 file changed, 17 insertions(+), 1 deletion(-) >> >> This is ok as far as it goes. >> >> Even for TCI, you need some more. >> >> At minimum, see Michael Clark's branch changes to accel/tcg/user-exec.c for >> host signal handling. While you can run *-softmmu without this, none of >> *-linux-user will work reliably. >> >> Another piece that even Michael Clark does not have is >> linux-user/host/*/safe-syscall.S. > > It might be nice to complete the safe-syscall stuff for all hosts, > and then remove the fallback that lets you build an unreliable > linux-user binary without it...
At the moment though QEMU won't build with Linux user. So some work is required just to get the build working. Alistair > > thanks > -- PMM
