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target/arm: Enable ARMv8.2-FHM for -cpu max

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Backports commit 991c05995a7bbafbebc1e4d405e947f2edcee063 from qemu
This commit is contained in:
Richard Henderson 2019-02-28 15:47:01 -05:00 committed by Lioncash
parent 4ae3ff8e61
commit fbe1ee25ff
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GPG Key ID: 4E3C3CC1031BA9C7
2 changed files with 3 additions and 0 deletions
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1
qemu/target/arm/cpu.c
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@ -1710,6 +1710,7 @@ static void arm_max_initfn(struct uc_struct *uc, Object *obj, void *opaque)
t = cpu->isar.id_isar6;
t = FIELD_DP32(t, ID_ISAR6, JSCVT, 1);
t = FIELD_DP32(t, ID_ISAR6, DP, 1);
t = FIELD_DP32(t, ID_ISAR6, FHM, 1);
cpu->isar.id_isar6 = t;
t = cpu->id_mmfr4;

2
qemu/target/arm/cpu64.c
View File

@ -253,6 +253,7 @@ static void aarch64_max_initfn(struct uc_struct *uc, Object *obj, void *opaque)
t = FIELD_DP64(t, ID_AA64ISAR0, SM3, 1);
t = FIELD_DP64(t, ID_AA64ISAR0, SM4, 1);
t = FIELD_DP64(t, ID_AA64ISAR0, DP, 1);
t = FIELD_DP64(t, ID_AA64ISAR0, FHM, 1);
cpu->isar.id_aa64isar0 = t;
t = cpu->isar.id_aa64isar1;
@ -292,6 +293,7 @@ static void aarch64_max_initfn(struct uc_struct *uc, Object *obj, void *opaque)
u = cpu->isar.id_isar6;
u = FIELD_DP32(u, ID_ISAR6, JSCVT, 1);
u = FIELD_DP32(u, ID_ISAR6, DP, 1);
u = FIELD_DP32(u, ID_ISAR6, FHM, 1);
cpu->isar.id_isar6 = u;
// Unicorn: we lie and enable them anyway