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([171.76.87.118]) by smtp.gmail.com with ESMTPSA id fa16-20020a056a002d1000b0068fece2c190sm2679724pfb.70.2023.11.05.18.54.06 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sun, 05 Nov 2023 18:54:09 -0800 (PST) From: "Dhaval Sharma" To: devel@edk2.groups.io Cc: Michael D Kinney , Liming Gao , Zhiguang Liu , Sunil V L , Daniel Schaefer , Laszlo Ersek Subject: [edk2-devel] [PATCH v8 2/5] MdePkg: Rename Cache Management Function To Clarify Fence Based Op Date: Mon, 6 Nov 2023 08:23:53 +0530 Message-Id: <20231106025356.167717-3-dhaval@rivosinc.com> In-Reply-To: <20231106025356.167717-1-dhaval@rivosinc.com> References: <20231106025356.167717-1-dhaval@rivosinc.com> MIME-Version: 1.0 Precedence: Bulk List-Subscribe: List-Help: Sender: devel@edk2.groups.io List-Id: Mailing-List: list devel@edk2.groups.io; contact devel+owner@edk2.groups.io Reply-To: devel@edk2.groups.io,dhaval@rivosinc.com List-Unsubscribe-Post: List-Unsubscribe=One-Click List-Unsubscribe: Content-Transfer-Encoding: quoted-printable X-ZohoMail-DKIM: pass (identity @groups.io) X-ZM-MESSAGEID: 1699239252038100003 Content-Type: text/plain; charset="utf-8" There are different ways to manage cache on RISC-V Processors. One way is to use fence instruction. Another way is to use CPU specific cache management operation instructions ratified as per RISC-V ISA specifications to be introduced in future patches. Current method is fence instruction based, rename the function accordingly to add that clarity. Cc: Michael D Kinney Cc: Liming Gao Cc: Zhiguang Liu Cc: Sunil V L Cc: Daniel Schaefer Cc: Laszlo Ersek Signed-off-by: Dhaval Sharma Reviewed-by: Laszlo Ersek --- Notes: V8: - Update function name to udpate *asm* in the end V7: - Add RB tag V6: - As part of restructuring, adding cache instruction differentiation in function naming MdePkg/Include/Library/BaseLib.h | 4 ++-- MdePkg/Library/BaseCacheMaintenanceLib/RiscVCache.c | 4 ++-- MdePkg/Library/BaseLib/RiscV64/FlushCache.S | 8 ++++---- 3 files changed, 8 insertions(+), 8 deletions(-) diff --git a/MdePkg/Include/Library/BaseLib.h b/MdePkg/Include/Library/Base= Lib.h index 7142bbfa42f2..d80e27285424 100644 --- a/MdePkg/Include/Library/BaseLib.h +++ b/MdePkg/Include/Library/BaseLib.h @@ -212,7 +212,7 @@ RiscVClearPendingTimerInterrupt ( **/ VOID EFIAPI -RiscVInvalidateInstCacheAsm ( +RiscVInvalidateInstCacheFenceAsm ( VOID ); =20 @@ -222,7 +222,7 @@ RiscVInvalidateInstCacheAsm ( **/ VOID EFIAPI -RiscVInvalidateDataCacheAsm ( +RiscVInvalidateDataCacheFenceAsm ( VOID ); =20 diff --git a/MdePkg/Library/BaseCacheMaintenanceLib/RiscVCache.c b/MdePkg/L= ibrary/BaseCacheMaintenanceLib/RiscVCache.c index d5efcf49a4bf..ac2a3c23a249 100644 --- a/MdePkg/Library/BaseCacheMaintenanceLib/RiscVCache.c +++ b/MdePkg/Library/BaseCacheMaintenanceLib/RiscVCache.c @@ -21,7 +21,7 @@ InvalidateInstructionCache ( VOID ) { - RiscVInvalidateInstCacheAsm (); + RiscVInvalidateInstCacheFenceAsm (); } =20 /** @@ -193,7 +193,7 @@ InvalidateDataCache ( VOID ) { - RiscVInvalidateDataCacheAsm (); + RiscVInvalidateDataCacheFenceAsm (); } =20 /** diff --git a/MdePkg/Library/BaseLib/RiscV64/FlushCache.S b/MdePkg/Library/B= aseLib/RiscV64/FlushCache.S index 7c10fdd268af..8cfb85097996 100644 --- a/MdePkg/Library/BaseLib/RiscV64/FlushCache.S +++ b/MdePkg/Library/BaseLib/RiscV64/FlushCache.S @@ -9,13 +9,13 @@ //------------------------------------------------------------------------= ------ =20 .align 3 -ASM_GLOBAL ASM_PFX(RiscVInvalidateInstCacheAsm) -ASM_GLOBAL ASM_PFX(RiscVInvalidateDataCacheAsm) +ASM_GLOBAL ASM_PFX(RiscVInvalidateInstCacheFenceAsm) +ASM_GLOBAL ASM_PFX(RiscVInvalidateDataCacheFenceAsm) =20 -ASM_PFX(RiscVInvalidateInstCacheAsm): +ASM_PFX(RiscVInvalidateInstCacheFenceAsm): fence.i ret =20 -ASM_PFX(RiscVInvalidateDataCacheAsm): +ASM_PFX(RiscVInvalidateDataCacheFenceAsm): fence ret --=20 2.39.2 -=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D- Groups.io Links: You receive all messages sent to this group. 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