2021-10-04 23:44:00

by Vincenzo Frascino

[permalink] [raw]
Subject: [PATCH v2 2/5] arm64: mte: Bitfield definitions for Asymm MTE

Add Asymmetric Memory Tagging Extension bitfield definitions.

Cc: Will Deacon <[email protected]>
Cc: Catalin Marinas <[email protected]>
Signed-off-by: Vincenzo Frascino <[email protected]>
Acked-by: Catalin Marinas <[email protected]>
---
arch/arm64/include/asm/sysreg.h | 3 +++
1 file changed, 3 insertions(+)

diff --git a/arch/arm64/include/asm/sysreg.h b/arch/arm64/include/asm/sysreg.h
index b268082d67ed..f51d5912b41c 100644
--- a/arch/arm64/include/asm/sysreg.h
+++ b/arch/arm64/include/asm/sysreg.h
@@ -621,6 +621,7 @@
#define SCTLR_ELx_TCF_NONE (UL(0x0) << SCTLR_ELx_TCF_SHIFT)
#define SCTLR_ELx_TCF_SYNC (UL(0x1) << SCTLR_ELx_TCF_SHIFT)
#define SCTLR_ELx_TCF_ASYNC (UL(0x2) << SCTLR_ELx_TCF_SHIFT)
+#define SCTLR_ELx_TCF_ASYMM (UL(0x3) << SCTLR_ELx_TCF_SHIFT)
#define SCTLR_ELx_TCF_MASK (UL(0x3) << SCTLR_ELx_TCF_SHIFT)

#define SCTLR_ELx_ENIA_SHIFT 31
@@ -666,6 +667,7 @@
#define SCTLR_EL1_TCF0_NONE (UL(0x0) << SCTLR_EL1_TCF0_SHIFT)
#define SCTLR_EL1_TCF0_SYNC (UL(0x1) << SCTLR_EL1_TCF0_SHIFT)
#define SCTLR_EL1_TCF0_ASYNC (UL(0x2) << SCTLR_EL1_TCF0_SHIFT)
+#define SCTLR_EL1_TCF0_ASYMM (UL(0x3) << SCTLR_EL1_TCF0_SHIFT)
#define SCTLR_EL1_TCF0_MASK (UL(0x3) << SCTLR_EL1_TCF0_SHIFT)

#define SCTLR_EL1_BT1 (BIT(36))
@@ -807,6 +809,7 @@
#define ID_AA64PFR1_MTE_NI 0x0
#define ID_AA64PFR1_MTE_EL0 0x1
#define ID_AA64PFR1_MTE 0x2
+#define ID_AA64PFR1_MTE_ASYMM 0x3

/* id_aa64zfr0 */
#define ID_AA64ZFR0_F64MM_SHIFT 56
--
2.33.0