Le 07/11/2020 à 00:51, Peter Maydell a écrit : > The q800 board code connects both of the IRQ outputs of the ESCC > to the same pic[3] qemu_irq. Connecting two qemu_irqs outputs directly > to the same input is not valid as it produces subtly wrong behaviour > (for instance if both the IRQ lines are high, and then one goes > low, the PIC input will see this as a high-to-low transition > even though the second IRQ line should still be holding it high). > > This kind of wiring needs an explicitly created OR gate; add one. > > Signed-off-by: Peter Maydell <peter.mayd...@linaro.org> > --- > hw/m68k/q800.c | 12 ++++++++++-- > hw/m68k/Kconfig | 1 + > 2 files changed, 11 insertions(+), 2 deletions(-) ...
Reviewed-by: Laurent Vivier <laur...@vivier.eu>
