On Tue, Mar 12, 2019 at 07:34:04PM +0100, Cédric Le Goater wrote: > On 3/12/19 4:01 PM, Cleber Rosa wrote: > > On Sun, Mar 10, 2019 at 07:27:00PM +1100, David Gibson wrote: > >> From: Cédric Le Goater <c...@kaod.org> > >> > >> We now have enough support to boot a PowerNV machine with a POWER9 > >> processor. Allow HV mode on POWER9. > >> > >> Signed-off-by: Cédric Le Goater <c...@kaod.org> > >> Message-Id: <20190307223548.20516-16-...@kaod.org> > >> Signed-off-by: David Gibson <da...@gibson.dropbear.id.au> > >> --- > >> target/ppc/translate_init.inc.c | 3 ++- > >> 1 file changed, 2 insertions(+), 1 deletion(-) > >> > >> diff --git a/target/ppc/translate_init.inc.c > >> b/target/ppc/translate_init.inc.c > >> index af70a3b78c..0bd555eb19 100644 > >> --- a/target/ppc/translate_init.inc.c > >> +++ b/target/ppc/translate_init.inc.c > >> @@ -8895,7 +8895,7 @@ POWERPC_FAMILY(POWER9)(ObjectClass *oc, void *data) > >> PPC_CACHE | PPC_CACHE_ICBI | PPC_CACHE_DCBZ | > >> PPC_MEM_SYNC | PPC_MEM_EIEIO | > >> PPC_MEM_TLBSYNC | > >> - PPC_64B | PPC_64BX | PPC_ALTIVEC | > >> + PPC_64B | PPC_64H | PPC_64BX | PPC_ALTIVEC | > >> PPC_SEGMENT_64B | PPC_SLBI | > >> PPC_POPCNTB | PPC_POPCNTWD | > >> PPC_CILDST; > >> @@ -8907,6 +8907,7 @@ POWERPC_FAMILY(POWER9)(ObjectClass *oc, void *data) > >> PPC2_ISA205 | PPC2_ISA207S | PPC2_FP_CVT_S64 | > >> PPC2_TM | PPC2_ISA300 | PPC2_PRCNTL; > >> pcc->msr_mask = (1ull << MSR_SF) | > >> + (1ull << MSR_SHV) | > >> (1ull << MSR_TM) | > >> (1ull << MSR_VR) | > >> (1ull << MSR_VSX) | > >> -- > >> 2.20.1 > >> > >> > > > > This change prevents a Fedora 29 kernel[1] from booting... is this > > intended or a known limitation of the Fedora 29 kernel? > > The default CPU is still power8_v2.0. This is curious. >
Are you sure? I'm getting: $ git rev-parse HEAD cfc3fef6b4e493bf1a7ee16790ad584e20dfbbd1 $ ./ppc64-softmmu/qemu-system-ppc64 -qmp unix:/tmp/qmp-sock,server $ ./scripts/qmp/qom-get -s /tmp/qmp-sock /machine/unattached/device[0].type power9_v2.0-spapr-cpu-core Thanks, - Cleber. > > FIY, by using a "power8" CPU the Fedora 29 kernel boots successfully. > > For a reproducer, please refer to [2]. > > > Thanks, > > C. > > > > Thanks, > > - Cleber. > > > > [1] - > > https://download.fedoraproject.org/pub/fedora-secondary/releases/29/Everything/ppc64le/os/ppc/ppc64/vmlinuz > > > > [2] - > > https://github.com/clebergnu/qemu/blob/sent/target_arch_v4/tests/acceptance/boot_linux_console.py#L138 > > >
