Re: [PATCH v5 20/22] tests/tcg/aarch64: add test-sve-ioctl guest-debug test

2020-02-05 Thread Andrew Jones
On Wed, Feb 05, 2020 at 10:19:08AM +, Richard Henderson wrote: > On 2/4/20 9:45 PM, Alex Bennée wrote: > >> Also, ZCR_EL1 it itself not correct if the > >> hardware does not support all vector sizes. > >> > >> See some of Andrew Jones' qemu command-line work. Try -cpu max,sve512=on > >> and >

Re: [PATCH v5 20/22] tests/tcg/aarch64: add test-sve-ioctl guest-debug test

2020-02-05 Thread Richard Henderson
On 2/4/20 9:45 PM, Alex Bennée wrote: >> Also, ZCR_EL1 it itself not correct if the >> hardware does not support all vector sizes. >> >> See some of Andrew Jones' qemu command-line work. Try -cpu max,sve512=on and >> then use the ioctl to set vq to 3 (sve384). The result will be an effective >>

Re: [PATCH v5 20/22] tests/tcg/aarch64: add test-sve-ioctl guest-debug test

2020-02-04 Thread Alex Bennée
Richard Henderson writes: > On 1/14/20 5:09 AM, Alex Bennée wrote: >> This test exercises the gdbstub while runing the sve-iotcl test. I >> haven't plubmed it into make system as we need a way of verifying if >> gdb has the right support for SVE. >> >> Signed-off-by: Alex Bennée >> >> --- >>

Re: [PATCH v5 20/22] tests/tcg/aarch64: add test-sve-ioctl guest-debug test

2020-01-15 Thread Richard Henderson
On 1/14/20 5:09 AM, Alex Bennée wrote: > This test exercises the gdbstub while runing the sve-iotcl test. I > haven't plubmed it into make system as we need a way of verifying if > gdb has the right support for SVE. > > Signed-off-by: Alex Bennée > > --- > v4 > - interrogate ZCR_EL1 directly a

[PATCH v5 20/22] tests/tcg/aarch64: add test-sve-ioctl guest-debug test

2020-01-14 Thread Alex Bennée
This test exercises the gdbstub while runing the sve-iotcl test. I haven't plubmed it into make system as we need a way of verifying if gdb has the right support for SVE. Signed-off-by: Alex Bennée --- v4 - interrogate ZCR_EL1 directly as no longer have vg v5 - plumb in - skip if fails to