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-rw-r--r--arch/arm64/include/asm/sysreg.h4
1 files changed, 4 insertions, 0 deletions
diff --git a/arch/arm64/include/asm/sysreg.h b/arch/arm64/include/asm/sysreg.h
index b91570ff9db1..db08ceb4cc9a 100644
--- a/arch/arm64/include/asm/sysreg.h
+++ b/arch/arm64/include/asm/sysreg.h
@@ -514,6 +514,8 @@
#endif
/* SCTLR_EL1 specific flags. */
+#define SCTLR_EL1_BT1 (BIT(36))
+#define SCTLR_EL1_BT0 (BIT(35))
#define SCTLR_EL1_UCI (BIT(26))
#define SCTLR_EL1_E0E (BIT(24))
#define SCTLR_EL1_SPAN (BIT(23))
@@ -620,10 +622,12 @@
/* id_aa64pfr1 */
#define ID_AA64PFR1_SSBS_SHIFT 4
+#define ID_AA64PFR1_BT_SHIFT 0
#define ID_AA64PFR1_SSBS_PSTATE_NI 0
#define ID_AA64PFR1_SSBS_PSTATE_ONLY 1
#define ID_AA64PFR1_SSBS_PSTATE_INSNS 2
+#define ID_AA64PFR1_BT_BTI 0x1
/* id_aa64zfr0 */
#define ID_AA64ZFR0_F64MM_SHIFT 56