On 11.12.19 12:59, Janosch Frank wrote: > Grab the CRs (currently only 0, 1, 7, 13) from cpu 0, so we can > bringup the new cpu in DAT mode or set other control options. > > Signed-off-by: Janosch Frank <frankja@xxxxxxxxxxxxx> > --- > lib/s390x/smp.c | 5 ++++- > s390x/cstart64.S | 2 +- > 2 files changed, 5 insertions(+), 2 deletions(-) > > diff --git a/lib/s390x/smp.c b/lib/s390x/smp.c > index e17751a..4dfe7c6 100644 > --- a/lib/s390x/smp.c > +++ b/lib/s390x/smp.c > @@ -191,7 +191,10 @@ int smp_cpu_setup(uint16_t addr, struct psw psw) > cpu->lowcore->sw_int_grs[15] = (uint64_t)cpu->stack + (PAGE_SIZE * 4); > lc->restart_new_psw.mask = 0x0000000180000000UL; > lc->restart_new_psw.addr = (uint64_t)smp_cpu_setup_state; > - lc->sw_int_crs[0] = 0x0000000000040000UL; > + lc->sw_int_crs[0] = stctg(0); > + lc->sw_int_crs[1] = stctg(1); > + lc->sw_int_crs[7] = stctg(7); > + lc->sw_int_crs[13] = stctg(13); Wouldn't it be better to also be able to specify the CRs explicitly here? -- Thanks, David / dhildenb
