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[Qemu-devel] [PATCH v2 13/29] target/s390x: implement MOVE ZONES
From: |
Aurelien Jarno |
Subject: |
[Qemu-devel] [PATCH v2 13/29] target/s390x: implement MOVE ZONES |
Date: |
Mon, 29 May 2017 21:24:24 +0200 |
Reviewed-by: Richard Henderson <address@hidden>
Signed-off-by: Aurelien Jarno <address@hidden>
---
target/s390x/helper.h | 1 +
target/s390x/insn-data.def | 2 ++
target/s390x/mem_helper.c | 13 +++++++++++++
target/s390x/translate.c | 8 ++++++++
4 files changed, 24 insertions(+)
diff --git a/target/s390x/helper.h b/target/s390x/helper.h
index e3a438b845..214a5e9e1c 100644
--- a/target/s390x/helper.h
+++ b/target/s390x/helper.h
@@ -16,6 +16,7 @@ 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(mvo, 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_FLAGS_4(mvz, TCG_CALL_NO_WG, void, env, i32, i64, i64)
DEF_HELPER_4(mvst, i64, env, i64, i64, i64)
DEF_HELPER_4(ex, void, env, i32, i64, i64)
DEF_HELPER_FLAGS_4(stam, TCG_CALL_NO_WG, void, env, i32, i64, i32)
diff --git a/target/s390x/insn-data.def b/target/s390x/insn-data.def
index 47542eeaf3..b40611b75f 100644
--- a/target/s390x/insn-data.def
+++ b/target/s390x/insn-data.def
@@ -588,6 +588,8 @@
/* Really format SS_b, but we pack both lengths into one argument
for the helper call, so we might as well leave one 8-bit field. */
C(0xf100, MVO, SS_a, Z, la1, a2, 0, 0, mvo, 0)
+/* MOVE ZONES */
+ C(0xd300, MVZ, SS_a, Z, la1, a2, 0, 0, mvz, 0)
/* MULTIPLY */
C(0x1c00, MR, RR_a, Z, r1p1_32s, r2_32s, new, r1_D32, mul, 0)
diff --git a/target/s390x/mem_helper.c b/target/s390x/mem_helper.c
index f748750a55..484dfcd9d6 100644
--- a/target/s390x/mem_helper.c
+++ b/target/s390x/mem_helper.c
@@ -287,6 +287,19 @@ void HELPER(mvo)(CPUS390XState *env, uint32_t l, uint64_t
dest, uint64_t src)
}
}
+/* move zones */
+void HELPER(mvz)(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 b = cpu_ldub_data_ra(env, dest + i, ra) & 0x0f;
+ b |= cpu_ldub_data_ra(env, src + i, ra) & 0xf0;
+ cpu_stb_data_ra(env, dest + i, b, 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 b1877cf27b..95ca53c1ef 100644
--- a/target/s390x/translate.c
+++ b/target/s390x/translate.c
@@ -3021,6 +3021,14 @@ static ExitStatus op_mvst(DisasContext *s, DisasOps *o)
return NO_EXIT;
}
+static ExitStatus op_mvz(DisasContext *s, DisasOps *o)
+{
+ TCGv_i32 l = tcg_const_i32(get_field(s->fields, l1));
+ gen_helper_mvz(cpu_env, l, o->addr1, o->in2);
+ tcg_temp_free_i32(l);
+ return NO_EXIT;
+}
+
static ExitStatus op_mul(DisasContext *s, DisasOps *o)
{
tcg_gen_mul_i64(o->out, o->in1, o->in2);
--
2.11.0
- [Qemu-devel] [PATCH v2 03/29] target/s390x: implement local-TLB-clearing in IPTE, (continued)
- [Qemu-devel] [PATCH v2 10/29] target/s390x: implement MOVE INVERSE, Aurelien Jarno, 2017/05/29
- [Qemu-devel] [PATCH v2 20/29] target/s390x: improve MOVE LONG and MOVE LONG EXTENDED, Aurelien Jarno, 2017/05/29
- [Qemu-devel] [PATCH v2 11/29] target/s390x: implement MOVE NUMERICS, Aurelien Jarno, 2017/05/29
- [Qemu-devel] [PATCH v2 28/29] target/s390x: implement TRANSLATE ONE/TWO TO ONE/TWO, Aurelien Jarno, 2017/05/29
- [Qemu-devel] [PATCH v2 13/29] target/s390x: implement MOVE ZONES,
Aurelien Jarno <=
- [Qemu-devel] [PATCH v2 02/29] target/s390x: remove some Linux assumptions from IPTE, Aurelien Jarno, 2017/05/29
- [Qemu-devel] [PATCH v2 27/29] target/s390x: implement TEST DECIMAL, Aurelien Jarno, 2017/05/29
- [Qemu-devel] [PATCH v2 25/29] target/s390x: implement UNPACK ASCII, Aurelien Jarno, 2017/05/29
- [Qemu-devel] [PATCH v2 21/29] target/s390x: implement COMPARE LOGICAL LONG UNICODE, Aurelien Jarno, 2017/05/29
- [Qemu-devel] [PATCH v2 23/29] target/s390x: implement PACK ASCII, Aurelien Jarno, 2017/05/29
- [Qemu-devel] [PATCH v2 15/29] target/s390x: improve 24-bit and 31-bit addresses write, Aurelien Jarno, 2017/05/29
- [Qemu-devel] [PATCH v2 24/29] target/s390x: implement PACK UNICODE, Aurelien Jarno, 2017/05/29