----- Original Message ----- > From: "Mark Cave-Ayland" <mark.cave-ayl...@ilande.co.uk> > To: "John Snow" <js...@redhat.com>, ag...@suse.de, qemu-devel@nongnu.org, > qemu-...@nongnu.org > Sent: Tuesday, June 2, 2015 1:18:42 AM > Subject: Re: [Qemu-devel] [PATCH 0/4] macio: change DMA methods over to > offset/len implementation > > On 02/06/15 00:09, John Snow wrote: > > > On 05/31/2015 04:05 PM, Mark Cave-Ayland wrote: > >> This patchset follows on from my recent work on fixing issues with the > >> macio controller, and remodels the new pmac_dma_read() and > >> pmac_dma_write() > >> functions in a similar manner to the unaligned block functions. > >> > >> With this in place, long chains of overlapping unaligned requests as used > >> by OS X/Darwin will now work correctly without introducting torn sector > >> errors when writing to disk. > >> > >> Also included are some tidy-ups as a result of the above changes. > >> > >> Signed-off-by: Mark Cave-Ayland <mark.cave-ayl...@ilande.co.uk> > >> > >> Mark Cave-Ayland (4): > >> macio: switch pmac_dma_read() over to new offset/len implementation > >> macio: switch pmac_dma_write() over to new offset/len implementation > >> macio: update comment/constants to reflect the new code > >> macio: remove remainder_len DBDMA_io property > >> > >> hw/ide/macio.c | 271 > >> +++++++++++++++++--------------------------- > >> include/hw/ppc/mac_dbdma.h | 4 +- > >> 2 files changed, 105 insertions(+), 170 deletions(-) > >> > > > > More 32/64bit printf string problems: > > > > macio.c:81: sector_num is int64_t (PRId64) > > macio.c:93: sector_num > > head_bytes is size_t (%zu) > > macio.c:107: sector_num > > tail_bytes is size_t (%zu) > > macio.c:147: sector_num > > macio.c:160: sector_num > > macio.c:178: sector_num > > Ah oops. Do you need me to correct? And do you have a quick way of > testing a 32-bit build on a 64-bit OS? (-m32)?
You can create an LXC container with 32bit binaries on a 64bit kernel. Something like "sudo lxc-create -t debian -n debian32 -- -a i686" or "sudo lxc-create -t fedora -n fedora32 -- -a i686" Available templates are: /usr/share/lxc/templates (remove the "lxc-") Laurent
