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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>
This commit is contained in:
David Hildenbrand 2020-09-28 14:27:17 +02:00 committed by Cornelia Huck
parent e0f28bb210
commit be2b567018
3 changed files with 9 additions and 0 deletions
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1
target/s390x/gen-features.c
View File

@ -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 ******/

1
target/s390x/insn-data.def
View File

@ -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)

7
target/s390x/translate.c
View File

@ -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