From 5a59bc1de21921996545574822e92004629dbd37 Mon Sep 17 00:00:00 2001 From: David Hildenbrand Date: Fri, 8 Dec 2017 17:01:58 +0100 Subject: [PATCH] s390x/tcg: wire up STORE CHANNEL REPORT WORD CRW machine check handling requires STCRW. So let's wire it up. Reviewed-by: Thomas Huth Reviewed-by: Richard Henderson Signed-off-by: David Hildenbrand Message-Id: <20171208160207.26494-6-david@redhat.com> Signed-off-by: Cornelia Huck --- target/s390x/helper.h | 1 + target/s390x/insn-data.def | 1 + target/s390x/misc_helper.c | 9 +++++++++ target/s390x/translate.c | 8 ++++++++ 4 files changed, 19 insertions(+) diff --git a/target/s390x/helper.h b/target/s390x/helper.h index 3eb7715e5b..ba11cfdc30 100644 --- a/target/s390x/helper.h +++ b/target/s390x/helper.h @@ -166,6 +166,7 @@ DEF_HELPER_3(msch, void, env, i64, i64) DEF_HELPER_2(rchp, void, env, i64) DEF_HELPER_2(rsch, void, env, i64) DEF_HELPER_3(ssch, void, env, i64, i64) +DEF_HELPER_2(stcrw, void, env, i64) DEF_HELPER_3(stsch, void, env, i64, i64) DEF_HELPER_3(tsch, void, env, i64, i64) DEF_HELPER_2(chsc, void, env, i64) diff --git a/target/s390x/insn-data.def b/target/s390x/insn-data.def index 8c2541f545..43ab1963c8 100644 --- a/target/s390x/insn-data.def +++ b/target/s390x/insn-data.def @@ -1055,6 +1055,7 @@ C(0xb23b, RCHP, S, Z, 0, 0, 0, 0, rchp, 0) C(0xb238, RSCH, S, Z, 0, 0, 0, 0, rsch, 0) C(0xb233, SSCH, S, Z, 0, insn, 0, 0, ssch, 0) + C(0xb239, STCRW, S, Z, 0, insn, 0, 0, stcrw, 0) C(0xb234, STSCH, S, Z, 0, insn, 0, 0, stsch, 0) C(0xb235, TSCH, S, Z, 0, insn, 0, 0, tsch, 0) /* ??? Not listed in PoO ninth edition, but there's a linux driver that diff --git a/target/s390x/misc_helper.c b/target/s390x/misc_helper.c index 769ec52e1d..04fb53d8a3 100644 --- a/target/s390x/misc_helper.c +++ b/target/s390x/misc_helper.c @@ -385,6 +385,15 @@ void HELPER(ssch)(CPUS390XState *env, uint64_t r1, uint64_t inst) qemu_mutex_unlock_iothread(); } +void HELPER(stcrw)(CPUS390XState *env, uint64_t inst) +{ + S390CPU *cpu = s390_env_get_cpu(env); + + qemu_mutex_lock_iothread(); + ioinst_handle_stcrw(cpu, inst >> 16, GETPC()); + qemu_mutex_unlock_iothread(); +} + void HELPER(stsch)(CPUS390XState *env, uint64_t r1, uint64_t inst) { S390CPU *cpu = s390_env_get_cpu(env); diff --git a/target/s390x/translate.c b/target/s390x/translate.c index 38e1770e5e..08c1ace0d8 100644 --- a/target/s390x/translate.c +++ b/target/s390x/translate.c @@ -4071,6 +4071,14 @@ static ExitStatus op_stsch(DisasContext *s, DisasOps *o) return NO_EXIT; } +static ExitStatus op_stcrw(DisasContext *s, DisasOps *o) +{ + check_privileged(s); + gen_helper_stcrw(cpu_env, o->in2); + set_cc_static(s); + return NO_EXIT; +} + static ExitStatus op_tsch(DisasContext *s, DisasOps *o) { check_privileged(s); -- 2.11.4.GIT