[Qemu-devel] [Qemu-ppc] [PATCH 0/6] dbdma: improve logging and various fixes

[Programmingkid]

On Jul 10, 2016, at 2:09 PM, address@hidden wrote:

> This patchset is based upon some work Ben H did to fix various DBDMA issues
> found whilst trying to boot MacOS 9 (effectively a minimal rework of a
> WIP diff). With this patch, along with the patch for odd MSR combinations,
> it becomes possible to boot MacOS 9 relibably in QEMU.
> 
> It has been part of my local tests for a few weeks now, however since the
> PowerNV work has caused regressions in my MacOS 9 tests, Ben suggested 
> that I submit the patchset anyway with his Ack to allow others to test their
> latest patches before submission.
> 
> Signed-off-by: Mark Cave-Ayland <address@hidden>
> 
> Mark Cave-Ayland (6):
>  dbdma: always define DBDMA_DPRINTF and enable debug with DEBUG_DBDMA
>  dbdma: add per-channel debugging enabled via DEBUG_DBDMA_CHANMASK
>  dbdma: fix endian of DBDMA_CMDPTR_LO during branch
>  dbdma: fix load_word/store_word value endianness
>  dbdma: set FLUSH bit upon reception of flush command for unassigned
>    DBDMA channels
>  dbdma: reset io->processing flag for unassigned DBDMA channel rw
>    accesses
> 
> hw/misc/macio/mac_dbdma.c |  125 +++++++++++++++++++++++----------------------
> 1 file changed, 65 insertions(+), 60 deletions(-)
> 
> -- 
> 1.7.10.4

Your patch set makes Mac OS 9.0.4 work in QEMU. My installation boots with all 
Apple extensions enabled. I was able to open an MPEG file in Quicktime player 
for the first time. It didn't play very well, and there was no sound, but I am 
so glad you made this progress.