On 05/18/2017 02:00 PM, Aurelien Jarno wrote: > On 2017-05-18 11:08, Rob Landley wrote: >> Serial input hangs after the first character in the 4.11 kernel: >> >> http://www.spinics.net/lists/linux-sh/msg51183.html >> >> Because they enabled support for a buffer size thing QEMU doesn't >> emulate right: >> >> http://www.spinics.net/lists/linux-sh/msg51189.html > > Indeed the SCIF emulation in QEMU is quite limited. The problem is that > it exposes many internal states to the software (and that's the same for > the SH4 CPU in general), and that's not really compatible with quick > emulation. In that case the timer should depend on the baud rate which > we don't really emulate. > > I'll try to have a look, that said my test environment is stuck with > kernel 4.8 due to the broken futex support on UP in kernel 4.9 (and > that's not QEMU specific). I'll try to build a more recent kernel with > additional patches.
I thought Rich fixed that. Rich? I'm doing a new https://github.com/landley/mkroot thing on top of Rich's musl-cross-make toolchain, but it's still cooking and the kernels it builds are really simple so far. Rob