On Sat Feb 17, 2024 at 12:02 AM AEST, Thomas Huth wrote: > getchar() can currently only be called once on arm since the implementation > is a little bit too naïve: After the first character has arrived, the > data register never gets set to zero again. To properly check whether a > byte is available, we need to check the "RX fifo empty" on the pl011 UART > or the "RX data ready" bit on the ns16550a UART instead. > > With this proper check in place, we can finally also get rid of the > ugly assert(count < 16) statement here. > > Signed-off-by: Thomas Huth <thuth@xxxxxxxxxx> Nice, thanks for fixing this up. I see what you mean about multi-migration not waiting. It seems to be an arm issue, ppc works properly. This patch changed things so it works a bit better (or at least differently) now, but still has some bugs. Maybe buggy uart migration? Thanks, Nick
