On 2016-11-25 11:31, Jin Guojie wrote: > Changes since v2: > * Update against master(v2.8.0-rc1) > * Tested on Loongson as mips32r2(el) and mips64r2(el) hosts. > Loongson only implements little-endian mips32/mips64 ISA. > * Fully work for 32-bit and 64-bit guests. > Fix two bugs：segmentation fault on mips64el with 32-bit guests, > blocking when emulating i386 kernel on mips64el. > * Fix some minor style problems. > * PATCH v2 12~16 are not examined due to the lack of R6 machine. > > To be tested: > * big-endian mips32 and mips64 hosts. > I have tried running qemu-system-mips on an X86. The speed is awful. > The compilation of qemu did not complete over a night until I gave up. > A better way is needed to do this test. > * MIPS R6.
Thanks for this new patch series, there are clearly a lot of improvements. I haven't been able to test it fully yet, however, here are my first tests results. I have successfully tested the following guests on a mips32 big-endian host: - Debian amd64 with qemu-system-x86_64 - Debian i386 with qemu-system-i386 - Debian i386 with qemu-system-x86_64 It means that the regression I have spotted with the original series is now gone. I have successfully tested the following guests on a mips64 little-endian host: - Debian amd64 with qemu-system-x86_64 - Debian armhf wit qemu-system-arm - Debian i386 with qemu-system-i386 - Debian i386 with qemu-system-x86_64 - Debian mips with qemu-system-mips - Debian mips with qemu-system-mips64 - Debian mipsel with qemu-system-mipsel - Debian mipsel with qemu-system-mips64el - Debian mipsel/64-bit kernel with qemu-system-mips64el - Debian powerpc with qemu-system-ppc However it seems that 64-bit big-endian guests are not working correctly. It happens with either qemu-system-mips64el and qemu-system-ppc64. The later hangs in the SLOF firmware, so it's probably the easiest way to debug the issue. It would be nice to get that fixed, that said as it's not a regression, I don't think we should block merging the mips64 support on that. I now plan to do more testing on mips32 be hosts and also test mips32 le hosts. Unfortunately I don't have a way to test mips R6 and mips64 be hosts. Aurelien -- Aurelien Jarno GPG: 4096R/1DDD8C9B aurel...@aurel32.net http://www.aurel32.net
