Hosts the 0x221E linux distro kernel. https://universe.0xinfinity.dev/distro/kernel/atom?h=linux-6.2.y 2022-07-28T06:22:15Z 2022-07-28T06:22:15Z Rashmica Gupta rashmica@linux.ibm.com 2022-06-17T04:39:35Z urn:sha1:cd1e64935f79e31d666172c52c951ca97152b783 The ISA states: "when ACC[i] contains defined data, the contents of VSRs 4×i to 4×i+3 are undefined until either a VSX Move From ACC instruction is used to copy the contents of ACC[i] to VSRs 4×i to 4×i+3 or some other instruction directly writes to one of these VSRs." We aren't doing this. This test only works on Power10 because the hardware implementation happens to map ACC0 to VSRs 0-3, but will fail on any other implementation that doesn't do this. So add xxmfacc between writing to the accumulator and accessing the VSRs. Fixes: 3527e1ab9a79 ("selftests/powerpc: Add matrix multiply assist (MMA) test") Signed-off-by: Rashmica Gupta <rashmica@linux.ibm.com> Signed-off-by: Michael Ellerman <mpe@ellerman.id.au> Link: https://lore.kernel.org/r/20220617043935.428083-1-rashmica@linux.ibm.com 2022-04-27T06:32:42Z Alistair Popple alistair@popple.id.au 2020-06-22T02:18:32Z urn:sha1:3527e1ab9a7990530dfb0137ddcfa64bed2915be Adds a simple test of some basic matrix multiply assist (MMA) instructions. Signed-off-by: Alistair Popple <alistair@popple.id.au> Tested-by: Joel Stanley <joel@jms.id.au> Signed-off-by: Michael Ellerman <mpe@ellerman.id.au> Link: https://lore.kernel.org/r/20200622021832.15870-1-alistair@popple.id.au