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diff --git a/sys/arm64/arm64/identcpu.c b/sys/arm64/arm64/identcpu.c
--- a/sys/arm64/arm64/identcpu.c
+++ b/sys/arm64/arm64/identcpu.c
@@ -139,6 +139,7 @@
uint64_t id_aa64mmfr0;
uint64_t id_aa64mmfr1;
uint64_t id_aa64mmfr2;
+ uint64_t id_aa64mmfr3;
uint64_t id_aa64pfr0;
uint64_t id_aa64pfr1;
uint64_t id_aa64zfr0;
@@ -1265,6 +1266,37 @@
};
+/* ID_AA64MMFR2_EL1 */
+static const struct mrs_field_value id_aa64mmfr3_spec_fpacc[] = {
+ MRS_FIELD_VALUE_NONE_IMPL(ID_AA64MMFR3, Spec_FPACC, NONE, IMPL),
+ MRS_FIELD_VALUE_END,
+};
+
+static const struct mrs_field_value id_aa64mmfr3_mec[] = {
+ MRS_FIELD_VALUE_NONE_IMPL(ID_AA64MMFR3, MEC, NONE, IMPL),
+ MRS_FIELD_VALUE_END,
+};
+
+static const struct mrs_field_value id_aa64mmfr3_sctlrx[] = {
+ MRS_FIELD_VALUE_NONE_IMPL(ID_AA64MMFR3, SCTLRX, NONE, IMPL),
+ MRS_FIELD_VALUE_END,
+};
+
+static const struct mrs_field_value id_aa64mmfr3_tcrx[] = {
+ MRS_FIELD_VALUE_NONE_IMPL(ID_AA64MMFR3, TCRX, NONE, IMPL),
+ MRS_FIELD_VALUE_END,
+};
+
+static const struct mrs_field id_aa64mmfr3_fields[] = {
+ MRS_FIELD(ID_AA64MMFR3, Spec_FPACC, false, MRS_EXACT,
+ id_aa64mmfr3_spec_fpacc),
+ MRS_FIELD(ID_AA64MMFR3, MEC, false, MRS_EXACT, id_aa64mmfr3_mec),
+ MRS_FIELD(ID_AA64MMFR3, SCTLRX, false, MRS_EXACT, id_aa64mmfr3_sctlrx),
+ MRS_FIELD(ID_AA64MMFR3, TCRX, false, MRS_EXACT, id_aa64mmfr3_tcrx),
+ MRS_FIELD_END,
+};
+
+
/* ID_AA64PFR0_EL1 */
static const struct mrs_field_value id_aa64pfr0_csv3[] = {
MRS_FIELD_VALUE(ID_AA64PFR0_CSV3_NONE, ""),
@@ -1745,6 +1777,7 @@
USER_REG(ID_AA64MMFR0_EL1, id_aa64mmfr0),
USER_REG(ID_AA64MMFR1_EL1, id_aa64mmfr1),
USER_REG(ID_AA64MMFR2_EL1, id_aa64mmfr2),
+ USER_REG(ID_AA64MMFR3_EL1, id_aa64mmfr3),
USER_REG(ID_AA64PFR0_EL1, id_aa64pfr0),
USER_REG(ID_AA64PFR1_EL1, id_aa64pfr1),
@@ -2471,6 +2504,11 @@
print_id_register(sb, "Memory Model Features 2",
desc->id_aa64mmfr2, id_aa64mmfr2_fields);
+ /* AArch64 Memory Model Feature Register 3 */
+ if (SHOULD_PRINT_REG(id_aa64mmfr3))
+ print_id_register(sb, "Memory Model Features 3",
+ desc->id_aa64mmfr3, id_aa64mmfr3_fields);
+
/* AArch64 Debug Feature Register 0 */
if (SHOULD_PRINT_REG(id_aa64dfr0))
print_id_register(sb, "Debug Features 0",
@@ -2585,6 +2623,7 @@
desc->id_aa64mmfr0 = READ_SPECIALREG(id_aa64mmfr0_el1);
desc->id_aa64mmfr1 = READ_SPECIALREG(id_aa64mmfr1_el1);
desc->id_aa64mmfr2 = READ_SPECIALREG(id_aa64mmfr2_el1);
+ desc->id_aa64mmfr3 = READ_SPECIALREG(id_aa64mmfr3_el1);
desc->id_aa64pfr0 = READ_SPECIALREG(id_aa64pfr0_el1);
desc->id_aa64pfr1 = READ_SPECIALREG(id_aa64pfr1_el1);
diff --git a/sys/arm64/include/armreg.h b/sys/arm64/include/armreg.h
--- a/sys/arm64/include/armreg.h
+++ b/sys/arm64/include/armreg.h
@@ -1066,6 +1066,34 @@
#define ID_AA64MMFR2_E0PD_NONE (UL(0x0) << ID_AA64MMFR2_E0PD_SHIFT)
#define ID_AA64MMFR2_E0PD_IMPL (UL(0x1) << ID_AA64MMFR2_E0PD_SHIFT)
+/* ID_AA64MMFR3_EL1 */
+#define ID_AA64MMFR3_EL1 MRS_REG(ID_AA64MMFR3_EL1)
+#define ID_AA64MMFR3_EL1_op0 3
+#define ID_AA64MMFR3_EL1_op1 0
+#define ID_AA64MMFR3_EL1_CRn 0
+#define ID_AA64MMFR3_EL1_CRm 7
+#define ID_AA64MMFR3_EL1_op2 3
+#define ID_AA64MMFR3_TCRX_SHIFT 0
+#define ID_AA64MMFR3_TCRX_MASK (UL(0xf) << ID_AA64MMFR3_TCRX_SHIFT)
+#define ID_AA64MMFR3_TCRX_VAL(x) ((x) & ID_AA64MMFR3_TCRX_MASK)
+#define ID_AA64MMFR3_TCRX_NONE (UL(0x0) << ID_AA64MMFR3_TCRX_SHIFT)
+#define ID_AA64MMFR3_TCRX_IMPL (UL(0x1) << ID_AA64MMFR3_TCRX_SHIFT)
+#define ID_AA64MMFR3_SCTLRX_SHIFT 4
+#define ID_AA64MMFR3_SCTLRX_MASK (UL(0xf) << ID_AA64MMFR3_SCTLRX_SHIFT)
+#define ID_AA64MMFR3_SCTLRX_VAL(x) ((x) & ID_AA64MMFR3_SCTLRX_MASK)
+#define ID_AA64MMFR3_SCTLRX_NONE (UL(0x0) << ID_AA64MMFR3_SCTLRX_SHIFT)
+#define ID_AA64MMFR3_SCTLRX_IMPL (UL(0x1) << ID_AA64MMFR3_SCTLRX_SHIFT)
+#define ID_AA64MMFR3_MEC_SHIFT 28
+#define ID_AA64MMFR3_MEC_MASK (UL(0xf) << ID_AA64MMFR3_MEC_SHIFT)
+#define ID_AA64MMFR3_MEC_VAL(x) ((x) & ID_AA64MMFR3_MEC_MASK)
+#define ID_AA64MMFR3_MEC_NONE (UL(0x0) << ID_AA64MMFR3_MEC_SHIFT)
+#define ID_AA64MMFR3_MEC_IMPL (UL(0x1) << ID_AA64MMFR3_MEC_SHIFT)
+#define ID_AA64MMFR3_Spec_FPACC_SHIFT 60
+#define ID_AA64MMFR3_Spec_FPACC_MASK (UL(0xf) << ID_AA64MMFR3_Spec_FPACC_SHIFT)
+#define ID_AA64MMFR3_Spec_FPACC_VAL(x) ((x) & ID_AA64MMFR3_Spec_FPACC_MASK)
+#define ID_AA64MMFR3_Spec_FPACC_NONE (UL(0x0) << ID_AA64MMFR3_Spec_FPACC_SHIFT)
+#define ID_AA64MMFR3_Spec_FPACC_IMPL (UL(0x1) << ID_AA64MMFR3_Spec_FPACC_SHIFT)
+
/* ID_AA64PFR0_EL1 */
#define ID_AA64PFR0_EL1 MRS_REG(ID_AA64PFR0_EL1)
#define ID_AA64PFR0_EL1_op0 0x3

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