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([2401:4900:1c80:4a26:3248:430a:4718:b9e6]) by smtp.gmail.com with ESMTPSA id jc15-20020a17090325cf00b001c746b986e5sm3433158plb.45.2023.10.21.10.33.26 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sat, 21 Oct 2023 10:33:28 -0700 (PDT) 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 v6 2/5] MdePkg: Rename Cache Management Function To Clarify Fence Based Op Date: Sat, 21 Oct 2023 23:03:11 +0530 Message-Id: <20231021173314.19363-3-dhaval@rivosinc.com> In-Reply-To: <20231021173314.19363-1-dhaval@rivosinc.com> References: <20231021173314.19363-1-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: 1697909612144100001 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: 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..d4b56a9601da 100644 --- a/MdePkg/Include/Library/BaseLib.h +++ b/MdePkg/Include/Library/BaseLib.h @@ -212,7 +212,7 @@ RiscVClearPendingTimerInterrupt ( **/ VOID EFIAPI -RiscVInvalidateInstCacheAsm ( +RiscVInvalidateInstCacheAsmFence ( VOID ); =20 @@ -222,7 +222,7 @@ RiscVInvalidateInstCacheAsm ( **/ VOID EFIAPI -RiscVInvalidateDataCacheAsm ( +RiscVInvalidateDataCacheAsmFence ( VOID ); =20 diff --git a/MdePkg/Library/BaseCacheMaintenanceLib/RiscVCache.c b/MdePkg/L= ibrary/BaseCacheMaintenanceLib/RiscVCache.c index d5efcf49a4bf..4eb18edb9aa7 100644 --- a/MdePkg/Library/BaseCacheMaintenanceLib/RiscVCache.c +++ b/MdePkg/Library/BaseCacheMaintenanceLib/RiscVCache.c @@ -21,7 +21,7 @@ InvalidateInstructionCache ( VOID ) { - RiscVInvalidateInstCacheAsm (); + RiscVInvalidateInstCacheAsmFence (); } =20 /** @@ -193,7 +193,7 @@ InvalidateDataCache ( VOID ) { - RiscVInvalidateDataCacheAsm (); + RiscVInvalidateDataCacheAsmFence (); } =20 /** diff --git a/MdePkg/Library/BaseLib/RiscV64/FlushCache.S b/MdePkg/Library/B= aseLib/RiscV64/FlushCache.S index 7c10fdd268af..e0eea0b5fb25 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(RiscVInvalidateInstCacheAsmFence) +ASM_GLOBAL ASM_PFX(RiscVInvalidateDataCacheAsmFence) =20 -ASM_PFX(RiscVInvalidateInstCacheAsm): +ASM_PFX(RiscVInvalidateInstCacheAsmFence): fence.i ret =20 -ASM_PFX(RiscVInvalidateDataCacheAsm): +ASM_PFX(RiscVInvalidateDataCacheAsmFence): 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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