On 15/06/18 00:39, Philippe Mathieu-Daudé wrote:
On the Alpha DP264 machine, the Cirrus VGA is I/O mapped in the 3C0H-3CFH range, thus I/O base used by the parallel device clashes, and since a4cb773928e the VGA is not working:(qemu) info mtree address-space: memory 0000000000000000-ffffffffffffffff (prio 0, i/o): system 00000801fc000000-00000801fdffffff (prio 0, i/o): pci0-io ... 00000801fc0003b4-00000801fc0003b5 (prio 0, i/o): vga 00000801fc0003ba-00000801fc0003ba (prio 0, i/o): vga 00000801fc0003bc-00000801fc0003c3 (prio 0, i/o): parallel ^^^ ^^^^^^^^ 00000801fc0003c0-00000801fc0003cf (prio 0, i/o): vga ^^^ 00000801fc0003d4-00000801fc0003d5 (prio 0, i/o): vga 00000801fc0003da-00000801fc0003da (prio 0, i/o): vga ... As there is no particular reason to use this base address (introduced in 7bea0dd434e), change to 378H which is the default on PC machines. Reported-by: Emilio G. Cota <c...@braap.org> Suggested-by: Paolo Bonzini <pbonz...@redhat.com> Signed-off-by: Philippe Mathieu-Daudé <f4...@amsat.org> --- RFC: http://lists.nongnu.org/archive/html/qemu-devel/2018-06/msg04011.html hw/isa/smc37c669-superio.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/hw/isa/smc37c669-superio.c b/hw/isa/smc37c669-superio.c index aa233c6967..64466a9373 100644 --- a/hw/isa/smc37c669-superio.c +++ b/hw/isa/smc37c669-superio.c @@ -37,7 +37,7 @@ static bool is_parallel_enabled(ISASuperIODevice *sio, uint8_t index)static uint16_t get_parallel_iobase(ISASuperIODevice *sio, uint8_t index){ - return 0x3bc; + return 0x378; }static unsigned int get_parallel_irq(ISASuperIODevice *sio, uint8_t index)
Reviewed-by: Mark Cave-Ayland <mark.cave-ayl...@ilande.co.uk> ATB, Mark.
