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); /* Start processing */ rc = sigp_retry(cpu->addr, SIGP_RESTART, 0, NULL); diff --git a/s390x/cstart64.S b/s390x/cstart64.S index e6a6bdb..399ae9b 100644 --- a/s390x/cstart64.S +++ b/s390x/cstart64.S @@ -158,7 +158,7 @@ diag308_load_reset: smp_cpu_setup_state: xgr %r1, %r1 lmg %r0, %r15, GEN_LC_SW_INT_GRS - lctlg %c0, %c0, GEN_LC_SW_INT_CRS + lctlg %c0, %c15, GEN_LC_SW_INT_CRS lpswe GEN_LC_SW_INT_PSW pgm_int: -- 2.20.1
