On 30/03/15 12:45, Paolo Bonzini wrote: > These fix the problem with OpenBIOS's accesses to the VBE DISPI ports. > The problem stems from weird memory regions created by ioport.c. > > Patches 1-3 simplify some of the MemoryRegionPortio arrays. This makes it > easier to ascertain the effect of patch 6, since the patch only affects > MemoryRegionPortio entries whose size is greater than one. > > Patch 4 fixes a comment. ioport.c is crazy enough without wrong > documentation. > > The fix is in patch 6; however it makes it possible to trigger some > assertions in ioport.c so patch 5 is needed in order to loosen them. > > Peter, if you prefer you can just revert c3c1bb99. > > Paolo > > Paolo Bonzini (6): > sb16: remove useless mixer_write_indexw > gus: clean up MemoryRegionPortio > ide: there is only one data port > ioport: remove wrong comment > ioport: loosen assertions on emulation of 16-bit ports > ioport: reserve the whole range of an I/O port in the AddressSpace > > hw/audio/gus.c | 22 ++-------------------- > hw/audio/sb16.c | 7 ------- > hw/ide/core.c | 4 ++-- > ioport.c | 30 +++++++++++++++++------------- > 4 files changed, 21 insertions(+), 42 deletions(-)
While I can't vouch for the effects outside of qemu-system-ppc and qemu-system-sparc64, I can confirm that this patch series fixes the VGA VBE register accesses in my testing here. Thanks Paolo! Tested-by: Mark Cave-Ayland <mark.cave-ayl...@ilande.co.uk> ATB, Mark.
