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authorDavid Hildenbrand <david@redhat.com>2020-09-28 14:27:17 +0200
committerCornelia Huck <cohuck@redhat.com>2020-10-02 13:52:49 +0200
commitbe2b567018d987591647935a7c9648e9c45e05e8 (patch)
treebb008bdc6bdc2ff1b3c7b30e2f37848aef1fa4d2
parente0f28bb210e4d07fba739ff6433f0d72835d88a5 (diff)
downloadfocaccia-qemu-be2b567018d987591647935a7c9648e9c45e05e8.tar.gz
focaccia-qemu-be2b567018d987591647935a7c9648e9c45e05e8.zip
s390x/tcg: Implement CIPHER MESSAGE WITH AUTHENTICATION (KMA)
As with the other crypto functions, we only implement subcode 0 (query)
and no actual encryption/decryption. We now implement S390_FEAT_MSA_EXT_8.

Signed-off-by: David Hildenbrand <david@redhat.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20200928122717.30586-10-david@redhat.com>
Signed-off-by: Cornelia Huck <cohuck@redhat.com>
Diffstat (limited to '')
-rw-r--r--target/s390x/gen-features.c1
-rw-r--r--target/s390x/insn-data.def1
-rw-r--r--target/s390x/translate.c7
3 files changed, 9 insertions, 0 deletions
diff --git a/target/s390x/gen-features.c b/target/s390x/gen-features.c
index 02ec0a6735..a6ec918e90 100644
--- a/target/s390x/gen-features.c
+++ b/target/s390x/gen-features.c
@@ -719,6 +719,7 @@ static uint16_t qemu_MAX[] = {
     /* features introduced after the z13 */
     S390_FEAT_INSTRUCTION_EXEC_PROT,
     S390_FEAT_MISC_INSTRUCTION_EXT2,
+    S390_FEAT_MSA_EXT_8,
 };
 
 /****** END FEATURE DEFS ******/
diff --git a/target/s390x/insn-data.def b/target/s390x/insn-data.def
index fc83a6ec32..d3bcdfd67b 100644
--- a/target/s390x/insn-data.def
+++ b/target/s390x/insn-data.def
@@ -982,6 +982,7 @@
     D(0xb92d, KMCTR,   RRF_b, MSA4, 0, 0, 0, 0, msa, 0, S390_FEAT_TYPE_KMCTR)
     D(0xb92e, KM,      RRE,   MSA,  0, 0, 0, 0, msa, 0, S390_FEAT_TYPE_KM)
     D(0xb92f, KMC,     RRE,   MSA,  0, 0, 0, 0, msa, 0, S390_FEAT_TYPE_KMC)
+    D(0xb929, KMA,     RRF_b, MSA8, 0, 0, 0, 0, msa, 0, S390_FEAT_TYPE_KMA)
     D(0xb93c, PPNO,    RRE,   MSA5, 0, 0, 0, 0, msa, 0, S390_FEAT_TYPE_PPNO)
     D(0xb93e, KIMD,    RRE,   MSA,  0, 0, 0, 0, msa, 0, S390_FEAT_TYPE_KIMD)
     D(0xb93f, KLMD,    RRE,   MSA,  0, 0, 0, 0, msa, 0, S390_FEAT_TYPE_KLMD)
diff --git a/target/s390x/translate.c b/target/s390x/translate.c
index bcc65893e4..ac10f42f10 100644
--- a/target/s390x/translate.c
+++ b/target/s390x/translate.c
@@ -2710,6 +2710,12 @@ static DisasJumpType op_msa(DisasContext *s, DisasOps *o)
     TCGv_i32 t_r1, t_r2, t_r3, type;
 
     switch (s->insn->data) {
+    case S390_FEAT_TYPE_KMA:
+        if (r3 == r1 || r3 == r2) {
+            gen_program_exception(s, PGM_SPECIFICATION);
+            return DISAS_NORETURN;
+        }
+        /* FALL THROUGH */
     case S390_FEAT_TYPE_KMCTR:
         if (r3 & 1 || !r3) {
             gen_program_exception(s, PGM_SPECIFICATION);
@@ -6154,6 +6160,7 @@ enum DisasInsnEnum {
 #define FAC_MSA3        S390_FEAT_MSA_EXT_3 /* msa-extension-3 facility */
 #define FAC_MSA4        S390_FEAT_MSA_EXT_4 /* msa-extension-4 facility */
 #define FAC_MSA5        S390_FEAT_MSA_EXT_5 /* msa-extension-5 facility */
+#define FAC_MSA8        S390_FEAT_MSA_EXT_8 /* msa-extension-8 facility */
 #define FAC_ECT         S390_FEAT_EXTRACT_CPU_TIME
 #define FAC_PCI         S390_FEAT_ZPCI /* z/PCI facility */
 #define FAC_AIS         S390_FEAT_ADAPTER_INT_SUPPRESSION