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Message-Id: <20211004202253.27857-3-vincenzo.frascino@arm.com>
Date: Mon, 4 Oct 2021 21:22:50 +0100
From: Vincenzo Frascino <vincenzo.frascino@....com>
To: linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
kasan-dev@...glegroups.com
Cc: vincenzo.frascino@....com,
Andrew Morton <akpm@...ux-foundation.org>,
Catalin Marinas <catalin.marinas@....com>,
Will Deacon <will@...nel.org>,
Dmitry Vyukov <dvyukov@...gle.com>,
Andrey Ryabinin <aryabinin@...tuozzo.com>,
Alexander Potapenko <glider@...gle.com>,
Marco Elver <elver@...gle.com>,
Evgenii Stepanov <eugenis@...gle.com>,
Branislav Rankov <Branislav.Rankov@....com>,
Andrey Konovalov <andreyknvl@...il.com>,
Lorenzo Pieralisi <lorenzo.pieralisi@....com>
Subject: [PATCH v2 2/5] arm64: mte: Bitfield definitions for Asymm MTE
Add Asymmetric Memory Tagging Extension bitfield definitions.
Cc: Will Deacon <will@...nel.org>
Cc: Catalin Marinas <catalin.marinas@....com>
Signed-off-by: Vincenzo Frascino <vincenzo.frascino@....com>
Acked-by: Catalin Marinas <catalin.marinas@....com>
---
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
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