From 8d13298b8008ff62e107deb2a293ea267943a977 Mon Sep 17 00:00:00 2001 From: Ard Biesheuvel Date: Tue, 28 Jul 2015 20:44:44 +0000 Subject: [PATCH] ArmPkg: split off ArmGicArchLib from ArmGicLib The current implementation of ArmGicGetSupportedArchRevision () that is used by all ARM platforms is entirely stateless (in order to support being executed from flash) so it needs to interrogate the hardware for the supported GIC revision upon each invocation. However, this statelessness is only needed for SEC type modules; in all other cases, we could easily determine the GIC revision once, and store the result in a global variable. In preparation of having separate early and normal versions, this patch introduces the ArmGicArchLib library class and default implementation, and moves the existing ArmGicGetSupportedArchRevision () into it. Contributed-under: TianoCore Contribution Agreement 1.0 Signed-off-by: Ard Biesheuvel Acked-by: Laszlo Ersek Reviewed-by: Leif Lindholm Tested-by: Leif Lindholm git-svn-id: https://svn.code.sf.net/p/edk2/code/trunk/edk2@18098 6f19259b-4bc3-4df7-8a09-765794883524 --- ArmPkg/ArmPkg.dec | 1 + ArmPkg/ArmPkg.dsc | 1 + ArmPkg/Drivers/ArmGic/ArmGicLib.inf | 3 +- ArmPkg/Drivers/ArmGic/ArmGicSecLib.inf | 3 +- ArmPkg/Include/Library/ArmGicArchLib.h | 33 +++++++++++++++++++ ArmPkg/Include/Library/ArmGicLib.h | 14 +------- .../ArmGicArchLib}/AArch64/ArmGicArchLib.c | 0 .../ArmGicArchLib}/Arm/ArmGicArchLib.c | 0 .../Library/ArmGicArchLib/ArmGicArchLib.inf | 33 +++++++++++++++++++ ArmPlatformPkg/ArmPlatformPkg-2ndstage.dsc | 1 + ArmPlatformPkg/ArmPlatformPkg.dsc | 1 + .../ArmRealViewEbPkg/ArmRealViewEb.dsc.inc | 1 + .../ArmVExpressPkg/ArmVExpress.dsc.inc | 1 + ArmVirtPkg/ArmVirt.dsc.inc | 1 + 14 files changed, 76 insertions(+), 17 deletions(-) create mode 100644 ArmPkg/Include/Library/ArmGicArchLib.h rename ArmPkg/{Drivers/ArmGic => Library/ArmGicArchLib}/AArch64/ArmGicArchLib.c (100%) rename ArmPkg/{Drivers/ArmGic => Library/ArmGicArchLib}/Arm/ArmGicArchLib.c (100%) create mode 100644 ArmPkg/Library/ArmGicArchLib/ArmGicArchLib.inf diff --git a/ArmPkg/ArmPkg.dec b/ArmPkg/ArmPkg.dec index da0c8a9f27..46e9894d3f 100644 --- a/ArmPkg/ArmPkg.dec +++ b/ArmPkg/ArmPkg.dec @@ -38,6 +38,7 @@ UncachedMemoryAllocationLib|Include/Library/UncachedMemoryAllocationLib.h DefaultExceptionHandlerLib|Include/Library/DefaultExceptionHandlerLib.h ArmDisassemblerLib|Include/Library/ArmDisassemblerLib.h + ArmGicArchLib|Include/Library/ArmGicArchLib.h [Guids.common] gArmTokenSpaceGuid = { 0xBB11ECFE, 0x820F, 0x4968, { 0xBB, 0xA6, 0xF7, 0x6A, 0xFE, 0x30, 0x25, 0x96 } } diff --git a/ArmPkg/ArmPkg.dsc b/ArmPkg/ArmPkg.dsc index 1f69799dc2..10e8a1a83d 100644 --- a/ArmPkg/ArmPkg.dsc +++ b/ArmPkg/ArmPkg.dsc @@ -66,6 +66,7 @@ CpuLib|MdePkg/Library/BaseCpuLib/BaseCpuLib.inf ArmGicLib|ArmPkg/Drivers/ArmGic/ArmGicLib.inf + ArmGicArchLib|ArmPkg/Library/ArmGicArchLib/ArmGicArchLib.inf ArmGenericTimerCounterLib|ArmPkg/Library/ArmGenericTimerPhyCounterLib/ArmGenericTimerPhyCounterLib.inf ArmSmcLib|ArmPkg/Library/ArmSmcLib/ArmSmcLib.inf ArmDisassemblerLib|ArmPkg/Library/ArmDisassemblerLib/ArmDisassemblerLib.inf diff --git a/ArmPkg/Drivers/ArmGic/ArmGicLib.inf b/ArmPkg/Drivers/ArmGic/ArmGicLib.inf index 2ae3fd31e8..047adac85f 100644 --- a/ArmPkg/Drivers/ArmGic/ArmGicLib.inf +++ b/ArmPkg/Drivers/ArmGic/ArmGicLib.inf @@ -27,18 +27,17 @@ GicV2/ArmGicV2NonSecLib.c [Sources.ARM] - Arm/ArmGicArchLib.c GicV3/Arm/ArmGicV3.S | GCC GicV3/Arm/ArmGicV3.asm | RVCT [Sources.AARCH64] - AArch64/ArmGicArchLib.c GicV3/AArch64/ArmGicV3.S [LibraryClasses] ArmLib DebugLib IoLib + ArmGicArchLib [Packages] ArmPkg/ArmPkg.dec diff --git a/ArmPkg/Drivers/ArmGic/ArmGicSecLib.inf b/ArmPkg/Drivers/ArmGic/ArmGicSecLib.inf index 7d4e49e4b9..fc2e1bc01e 100644 --- a/ArmPkg/Drivers/ArmGic/ArmGicSecLib.inf +++ b/ArmPkg/Drivers/ArmGic/ArmGicSecLib.inf @@ -27,12 +27,10 @@ GicV2/ArmGicV2SecLib.c [Sources.ARM] - Arm/ArmGicArchLib.c GicV3/Arm/ArmGicV3.S | GCC GicV3/Arm/ArmGicV3.asm | RVCT [Sources.AARCH64] - AArch64/ArmGicArchLib.c GicV3/AArch64/ArmGicV3.S [Packages] @@ -45,6 +43,7 @@ ArmLib DebugLib IoLib + ArmGicArchLib [Pcd] gArmPlatformTokenSpaceGuid.PcdCoreCount diff --git a/ArmPkg/Include/Library/ArmGicArchLib.h b/ArmPkg/Include/Library/ArmGicArchLib.h new file mode 100644 index 0000000000..e6964a2d57 --- /dev/null +++ b/ArmPkg/Include/Library/ArmGicArchLib.h @@ -0,0 +1,33 @@ +/** @file +* +* Copyright (c) 2015, Linaro Ltd. All rights reserved. +* +* This program and the accompanying materials are licensed and made available +* under the terms and conditions of the BSD License which accompanies this +* distribution. The full text of the license may be found at +* http://opensource.org/licenses/bsd-license.php +* +* THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS, +* WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED. +* +**/ + +#ifndef __ARM_GIC_ARCH_LIB_H__ +#define __ARM_GIC_ARCH_LIB_H__ + +// +// GIC definitions +// +typedef enum { + ARM_GIC_ARCH_REVISION_2, + ARM_GIC_ARCH_REVISION_3 +} ARM_GIC_ARCH_REVISION; + + +ARM_GIC_ARCH_REVISION +EFIAPI +ArmGicGetSupportedArchRevision ( + VOID + ); + +#endif diff --git a/ArmPkg/Include/Library/ArmGicLib.h b/ArmPkg/Include/Library/ArmGicLib.h index e3db9c0d25..10c4a9d72e 100644 --- a/ArmPkg/Include/Library/ArmGicLib.h +++ b/ArmPkg/Include/Library/ArmGicLib.h @@ -15,13 +15,7 @@ #ifndef __ARMGIC_H #define __ARMGIC_H -// -// GIC definitions -// -typedef enum { - ARM_GIC_ARCH_REVISION_2, - ARM_GIC_ARCH_REVISION_3 -} ARM_GIC_ARCH_REVISION; +#include // // GIC Distributor @@ -103,12 +97,6 @@ typedef enum { // Bit Mask for #define ARM_GIC_ICCIAR_ACKINTID 0x3FF -ARM_GIC_ARCH_REVISION -EFIAPI -ArmGicGetSupportedArchRevision ( - VOID - ); - UINTN EFIAPI ArmGicGetInterfaceIdentification ( diff --git a/ArmPkg/Drivers/ArmGic/AArch64/ArmGicArchLib.c b/ArmPkg/Library/ArmGicArchLib/AArch64/ArmGicArchLib.c similarity index 100% rename from ArmPkg/Drivers/ArmGic/AArch64/ArmGicArchLib.c rename to ArmPkg/Library/ArmGicArchLib/AArch64/ArmGicArchLib.c diff --git a/ArmPkg/Drivers/ArmGic/Arm/ArmGicArchLib.c b/ArmPkg/Library/ArmGicArchLib/Arm/ArmGicArchLib.c similarity index 100% rename from ArmPkg/Drivers/ArmGic/Arm/ArmGicArchLib.c rename to ArmPkg/Library/ArmGicArchLib/Arm/ArmGicArchLib.c diff --git a/ArmPkg/Library/ArmGicArchLib/ArmGicArchLib.inf b/ArmPkg/Library/ArmGicArchLib/ArmGicArchLib.inf new file mode 100644 index 0000000000..d71b2adc30 --- /dev/null +++ b/ArmPkg/Library/ArmGicArchLib/ArmGicArchLib.inf @@ -0,0 +1,33 @@ +#/* @file +# Copyright (c) 2015, Linaro Ltd. All rights reserved. +# +# This program and the accompanying materials +# are licensed and made available under the terms and conditions of the BSD License +# which accompanies this distribution. The full text of the license may be found at +# http://opensource.org/licenses/bsd-license.php +# +# THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS, +# WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED. +# +#*/ + +[Defines] + INF_VERSION = 0x00010005 + BASE_NAME = ArmGicArchLib + FILE_GUID = cd67f41a-26e9-4482-90c9-a9aff803382a + MODULE_TYPE = BASE + VERSION_STRING = 1.0 + LIBRARY_CLASS = ArmGicArchLib + +[Sources.ARM] + Arm/ArmGicArchLib.c + +[Sources.AARCH64] + AArch64/ArmGicArchLib.c + +[Packages] + MdePkg/MdePkg.dec + ArmPkg/ArmPkg.dec + +[LibraryClasses] + ArmGicLib diff --git a/ArmPlatformPkg/ArmPlatformPkg-2ndstage.dsc b/ArmPlatformPkg/ArmPlatformPkg-2ndstage.dsc index 76415fec58..e50fcb0959 100644 --- a/ArmPlatformPkg/ArmPlatformPkg-2ndstage.dsc +++ b/ArmPlatformPkg/ArmPlatformPkg-2ndstage.dsc @@ -78,6 +78,7 @@ ArmDisassemblerLib|ArmPkg/Library/ArmDisassemblerLib/ArmDisassemblerLib.inf DmaLib|ArmPkg/Library/ArmDmaLib/ArmDmaLib.inf ArmGicLib|ArmPkg/Drivers/ArmGic/ArmGicLib.inf + ArmGicArchLib|ArmPkg/Library/ArmGicArchLib/ArmGicArchLib.inf ArmPlatformStackLib|ArmPlatformPkg/Library/ArmPlatformStackLib/ArmPlatformStackLib.inf ArmSmcLib|ArmPkg/Library/ArmSmcLib/ArmSmcLib.inf diff --git a/ArmPlatformPkg/ArmPlatformPkg.dsc b/ArmPlatformPkg/ArmPlatformPkg.dsc index 0147146322..0f59fec113 100644 --- a/ArmPlatformPkg/ArmPlatformPkg.dsc +++ b/ArmPlatformPkg/ArmPlatformPkg.dsc @@ -78,6 +78,7 @@ ArmDisassemblerLib|ArmPkg/Library/ArmDisassemblerLib/ArmDisassemblerLib.inf DmaLib|ArmPkg/Library/ArmDmaLib/ArmDmaLib.inf ArmGicLib|ArmPkg/Drivers/ArmGic/ArmGicLib.inf + ArmGicArchLib|ArmPkg/Library/ArmGicArchLib/ArmGicArchLib.inf ArmSmcLib|ArmPkg/Library/ArmSmcLib/ArmSmcLib.inf SerialPortLib|MdePkg/Library/BaseSerialPortLibNull/BaseSerialPortLibNull.inf diff --git a/ArmPlatformPkg/ArmRealViewEbPkg/ArmRealViewEb.dsc.inc b/ArmPlatformPkg/ArmRealViewEbPkg/ArmRealViewEb.dsc.inc index 9445ce2710..4d0ecfa713 100644 --- a/ArmPlatformPkg/ArmRealViewEbPkg/ArmRealViewEb.dsc.inc +++ b/ArmPlatformPkg/ArmRealViewEbPkg/ArmRealViewEb.dsc.inc @@ -62,6 +62,7 @@ ArmDisassemblerLib|ArmPkg/Library/ArmDisassemblerLib/ArmDisassemblerLib.inf DmaLib|ArmPkg/Library/ArmDmaLib/ArmDmaLib.inf ArmGicLib|ArmPkg/Drivers/ArmGic/ArmGicLib.inf + ArmGicArchLib|ArmPkg/Library/ArmGicArchLib/ArmGicArchLib.inf ArmSmcLib|ArmPkg/Library/ArmSmcLib/ArmSmcLib.inf ArmGenericTimerCounterLib|ArmPkg/Library/ArmGenericTimerPhyCounterLib/ArmGenericTimerPhyCounterLib.inf diff --git a/ArmPlatformPkg/ArmVExpressPkg/ArmVExpress.dsc.inc b/ArmPlatformPkg/ArmVExpressPkg/ArmVExpress.dsc.inc index a488218300..3c7be4e64a 100644 --- a/ArmPlatformPkg/ArmVExpressPkg/ArmVExpress.dsc.inc +++ b/ArmPlatformPkg/ArmVExpressPkg/ArmVExpress.dsc.inc @@ -71,6 +71,7 @@ ArmDisassemblerLib|ArmPkg/Library/ArmDisassemblerLib/ArmDisassemblerLib.inf DmaLib|ArmPkg/Library/ArmDmaLib/ArmDmaLib.inf ArmGicLib|ArmPkg/Drivers/ArmGic/ArmGicLib.inf + ArmGicArchLib|ArmPkg/Library/ArmGicArchLib/ArmGicArchLib.inf ArmPlatformStackLib|ArmPlatformPkg/Library/ArmPlatformStackLib/ArmPlatformStackLib.inf ArmSmcLib|ArmPkg/Library/ArmSmcLib/ArmSmcLib.inf ArmGenericTimerCounterLib|ArmPkg/Library/ArmGenericTimerPhyCounterLib/ArmGenericTimerPhyCounterLib.inf diff --git a/ArmVirtPkg/ArmVirt.dsc.inc b/ArmVirtPkg/ArmVirt.dsc.inc index d3f401b1dc..eaafe51a7d 100644 --- a/ArmVirtPkg/ArmVirt.dsc.inc +++ b/ArmVirtPkg/ArmVirt.dsc.inc @@ -76,6 +76,7 @@ ArmDisassemblerLib|ArmPkg/Library/ArmDisassemblerLib/ArmDisassemblerLib.inf DmaLib|ArmPkg/Library/ArmDmaLib/ArmDmaLib.inf ArmGicLib|ArmPkg/Drivers/ArmGic/ArmGicLib.inf + ArmGicArchLib|ArmPkg/Library/ArmGicArchLib/ArmGicArchLib.inf ArmPlatformStackLib|ArmPlatformPkg/Library/ArmPlatformStackLib/ArmPlatformStackLib.inf ArmSmcLib|ArmPkg/Library/ArmSmcLib/ArmSmcLib.inf ArmHvcLib|ArmPkg/Library/ArmHvcLib/ArmHvcLib.inf -- 2.39.2