feat(mte): adds feature detection for MTE_PERM
Adds feature detection for v8.9 feature FEAT_MTE_PERM. Adds respective
ID_AA64PFR2_EL1 definitions and ENABLE_FEAT_MTE_PERM define.
Change-Id: If24b42f1207154e639016b0b840b2d91c6ee13d4
Signed-off-by: Maksims Svecovs <maksims.svecovs@arm.com>
Signed-off-by: Harrison Mutai <harrison.mutai@arm.com>
diff --git a/include/arch/aarch64/arch.h b/include/arch/aarch64/arch.h
index 5dbcd0a..698fad4 100644
--- a/include/arch/aarch64/arch.h
+++ b/include/arch/aarch64/arch.h
@@ -275,6 +275,9 @@
/* ID_AA64ISAR2_EL1 definitions */
#define ID_AA64ISAR2_EL1 S3_0_C0_C6_2
+/* ID_AA64PFR2_EL1 definitions */
+#define ID_AA64PFR2_EL1 S3_0_C0_C4_2
+
#define ID_AA64ISAR2_GPA3_SHIFT U(8)
#define ID_AA64ISAR2_GPA3_MASK ULL(0xf)
@@ -402,6 +405,16 @@
#define ID_AA64PFR1_EL1_RNG_TRAP_SUPPORTED ULL(0x1)
#define ID_AA64PFR1_EL1_RNG_TRAP_NOT_SUPPORTED ULL(0x0)
+/* ID_AA64PFR2_EL1 definitions */
+#define ID_AA64PFR2_EL1_MTEPERM_SHIFT U(0)
+#define ID_AA64PFR2_EL1_MTEPERM_MASK ULL(0xf)
+
+#define ID_AA64PFR2_EL1_MTESTOREONLY_SHIFT U(4)
+#define ID_AA64PFR2_EL1_MTESTOREONLY_MASK ULL(0xf)
+
+#define ID_AA64PFR2_EL1_MTEFAR_SHIFT U(8)
+#define ID_AA64PFR2_EL1_MTEFAR_MASK ULL(0xf)
+
#define VDISR_EL2 S3_4_C12_C1_1
#define VSESR_EL2 S3_4_C5_C2_3