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Diffstat (limited to 'arch/arm64/include/asm/sysreg.h')
-rw-r--r--arch/arm64/include/asm/sysreg.h6
1 files changed, 6 insertions, 0 deletions
diff --git a/arch/arm64/include/asm/sysreg.h b/arch/arm64/include/asm/sysreg.h
index 0c909c4a932f..78f15858535e 100644
--- a/arch/arm64/include/asm/sysreg.h
+++ b/arch/arm64/include/asm/sysreg.h
@@ -104,6 +104,11 @@
#define SET_PSTATE_UAO(x) __emit_inst(0xd500401f | PSTATE_UAO | ((!!x) << PSTATE_Imm_shift))
#define SET_PSTATE_SSBS(x) __emit_inst(0xd500401f | PSTATE_SSBS | ((!!x) << PSTATE_Imm_shift))
+#define __SYS_BARRIER_INSN(CRm, op2, Rt) \
+ __emit_inst(0xd5000000 | sys_insn(0, 3, 3, (CRm), (op2)) | ((Rt) & 0x1f))
+
+#define SB_BARRIER_INSN __SYS_BARRIER_INSN(0, 7, 31)
+
#define SYS_DC_ISW sys_insn(1, 0, 7, 6, 2)
#define SYS_DC_CSW sys_insn(1, 0, 7, 10, 2)
#define SYS_DC_CISW sys_insn(1, 0, 7, 14, 2)
@@ -528,6 +533,7 @@
#define ID_AA64ISAR0_AES_SHIFT 4
/* id_aa64isar1 */
+#define ID_AA64ISAR1_SB_SHIFT 36
#define ID_AA64ISAR1_LRCPC_SHIFT 20
#define ID_AA64ISAR1_FCMA_SHIFT 16
#define ID_AA64ISAR1_JSCVT_SHIFT 12