From: Andrew Murray <andrew.murray@arm.com>
To: Catalin Marinas <catalin.marinas@arm.com>,
Will Deacon <will.deacon@arm.com>
Cc: Mark Rutland <mark.rutland@arm.com>,
libc-alpha@sourceware.org,
Suzuki K Poulose <suzuki.poulose@arm.com>,
Szabolcs Nagy <Szabolcs.Nagy@arm.com>,
linux-api@vger.kernel.org, Phil Blundell <pb@pbcl.net>,
dave.martin@arm.com, linux-arm-kernel@lists.infradead.org
Subject: [PATCH v4 5/6] arm64: add CVADP support to the cache maintenance helper
Date: Wed, 3 Apr 2019 11:56:27 +0100 [thread overview]
Message-ID: <20190403105628.39798-6-andrew.murray@arm.com> (raw)
In-Reply-To: <20190403105628.39798-1-andrew.murray@arm.com>
Allow users of dcache_by_line_op to specify cvadp as an op.
Signed-off-by: Andrew Murray <andrew.murray@arm.com>
---
arch/arm64/include/asm/assembler.h | 4 ++++
1 file changed, 4 insertions(+)
diff --git a/arch/arm64/include/asm/assembler.h b/arch/arm64/include/asm/assembler.h
index c5308d01e228..d50caf0e6b64 100644
--- a/arch/arm64/include/asm/assembler.h
+++ b/arch/arm64/include/asm/assembler.h
@@ -407,10 +407,14 @@ alternative_endif
.ifc \op, cvap
sys 3, c7, c12, 1, \kaddr // dc cvap
.else
+ .ifc \op, cvadp
+ sys 3, c7, c13, 1, \kaddr // dc cvadp
+ .else
dc \op, \kaddr
.endif
.endif
.endif
+ .endif
add \kaddr, \kaddr, \tmp1
cmp \kaddr, \size
b.lo 9998b
--
2.21.0
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next prev parent reply other threads:[~2019-04-03 10:58 UTC|newest]
Thread overview: 19+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-04-03 10:56 [PATCH v4 0/6] arm64: Initial support for CVADP Andrew Murray
2019-04-03 10:56 ` [PATCH v4 1/6] arm64: HWCAP: add support for AT_HWCAP2 Andrew Murray
2019-04-03 13:21 ` Dave Martin
2019-04-03 16:06 ` Andrew Murray
2019-04-03 16:33 ` Dave Martin
2019-04-04 11:25 ` Andrew Murray
2019-04-04 12:47 ` Dave Martin
2019-04-03 10:56 ` [PATCH v4 2/6] arm64: HWCAP: encapsulate elf_hwcap Andrew Murray
2019-04-03 13:21 ` Dave Martin
2019-04-03 13:42 ` Suzuki K Poulose
2019-04-03 10:56 ` [PATCH v4 3/6] arm64: Handle trapped DC CVADP Andrew Murray
2019-04-03 13:21 ` Dave Martin
2019-04-03 10:56 ` [PATCH v4 4/6] arm64: Expose DC CVADP to userspace Andrew Murray
2019-04-03 13:21 ` Dave Martin
2019-04-03 10:56 ` Andrew Murray [this message]
2019-04-03 13:21 ` [PATCH v4 5/6] arm64: add CVADP support to the cache maintenance helper Dave Martin
2019-04-03 10:56 ` [PATCH v4 6/6] arm64: Advertise ARM64_HAS_DCPODP cpu feature Andrew Murray
2019-04-03 13:21 ` Dave Martin
2019-04-03 13:48 ` Suzuki K Poulose
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