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| author | Aurelien Jarno <aurelien@aurel32.net> | 2017-06-01 00:01:10 +0200 |
|---|---|---|
| committer | Richard Henderson <rth@twiddle.net> | 2017-06-06 15:20:42 -0700 |
| commit | 256dab6fe8872a041823a18e78d7d7a86d0e9618 (patch) | |
| tree | 029630809c289dfa91baa26a0398c9bb2342b85c /target/s390x | |
| parent | 6c9deca8a1f7008b551dedcc9bde599c428dfd07 (diff) | |
| download | qemu-256dab6fe8872a041823a18e78d7d7a86d0e9618.tar.gz | |
target/s390x: implement MOVE NUMERICS
Reviewed-by: Richard Henderson <rth@twiddle.net>
Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
Message-Id: <20170531220129.27724-12-aurelien@aurel32.net>
Signed-off-by: Richard Henderson <rth@twiddle.net>
Diffstat (limited to 'target/s390x')
| -rw-r--r-- | target/s390x/helper.h | 1 | ||||
| -rw-r--r-- | target/s390x/insn-data.def | 2 | ||||
| -rw-r--r-- | target/s390x/mem_helper.c | 13 | ||||
| -rw-r--r-- | target/s390x/translate.c | 8 |
4 files changed, 24 insertions, 0 deletions
diff --git a/target/s390x/helper.h b/target/s390x/helper.h index 4b6c75661f..5780bb5090 100644 --- a/target/s390x/helper.h +++ b/target/s390x/helper.h @@ -13,6 +13,7 @@ DEF_HELPER_FLAGS_3(divs64, TCG_CALL_NO_WG, s64, env, s64, s64) DEF_HELPER_FLAGS_4(divu64, TCG_CALL_NO_WG, i64, env, i64, i64, i64) DEF_HELPER_4(srst, i64, env, i64, i64, i64) DEF_HELPER_4(clst, i64, env, i64, i64, i64) +DEF_HELPER_FLAGS_4(mvn, TCG_CALL_NO_WG, void, env, i32, i64, i64) DEF_HELPER_FLAGS_4(mvpg, TCG_CALL_NO_WG, i32, env, i64, i64, i64) DEF_HELPER_4(mvst, i64, env, i64, i64, i64) DEF_HELPER_4(ex, void, env, i32, i64, i64) diff --git a/target/s390x/insn-data.def b/target/s390x/insn-data.def index c1303d695d..cbb91bbe71 100644 --- a/target/s390x/insn-data.def +++ b/target/s390x/insn-data.def @@ -576,6 +576,8 @@ C(0x0e00, MVCL, RR_a, Z, 0, 0, 0, 0, mvcl, 0) /* MOVE LONG EXTENDED */ C(0xa800, MVCLE, RS_a, Z, 0, a2, 0, 0, mvcle, 0) +/* MOVE NUMERICS */ + C(0xd100, MVN, SS_a, Z, la1, a2, 0, 0, mvn, 0) /* MOVE PAGE */ C(0xb254, MVPG, RRE, Z, r1_o, r2_o, 0, 0, mvpg, 0) /* MOVE STRING */ diff --git a/target/s390x/mem_helper.c b/target/s390x/mem_helper.c index 6faaaddfcc..f80b7a5f06 100644 --- a/target/s390x/mem_helper.c +++ b/target/s390x/mem_helper.c @@ -243,6 +243,19 @@ void HELPER(mvcin)(CPUS390XState *env, uint32_t l, uint64_t dest, uint64_t src) } } +/* move numerics */ +void HELPER(mvn)(CPUS390XState *env, uint32_t l, uint64_t dest, uint64_t src) +{ + uintptr_t ra = GETPC(); + int i; + + for (i = 0; i <= l; i++) { + uint8_t v = cpu_ldub_data_ra(env, dest + i, ra) & 0xf0; + v |= cpu_ldub_data_ra(env, src + i, ra) & 0x0f; + cpu_stb_data_ra(env, dest + i, v, ra); + } +} + /* compare unsigned byte arrays */ static uint32_t do_helper_clc(CPUS390XState *env, uint32_t l, uint64_t s1, uint64_t s2, uintptr_t ra) diff --git a/target/s390x/translate.c b/target/s390x/translate.c index a9b96e7e99..7b42c0267d 100644 --- a/target/s390x/translate.c +++ b/target/s390x/translate.c @@ -2988,6 +2988,14 @@ static ExitStatus op_mvcs(DisasContext *s, DisasOps *o) } #endif +static ExitStatus op_mvn(DisasContext *s, DisasOps *o) +{ + TCGv_i32 l = tcg_const_i32(get_field(s->fields, l1)); + gen_helper_mvn(cpu_env, l, o->addr1, o->in2); + tcg_temp_free_i32(l); + return NO_EXIT; +} + static ExitStatus op_mvpg(DisasContext *s, DisasOps *o) { gen_helper_mvpg(cc_op, cpu_env, regs[0], o->in1, o->in2); |