From: "Abner Chang" <abner.chang@hpe.com>
To: devel@edk2.groups.io
Cc: abner.chang@hpe.com
Subject: [PATCH 11/79] ProcesorPkg/Library: NULL instance of RISC-V platform timer library.
Date: Sat, 8 Jan 2022 12:10:31 +0800 [thread overview]
Message-ID: <20220108041121.16005-10-abner.chang@hpe.com> (raw)
In-Reply-To: <20220108041121.16005-1-abner.chang@hpe.com>
(This is migrated from edk2-platforms:Silicon/RISC-V)
NULL instance of RISC-V platform timer library.
Signed-off-by: Abner Chang <abner.chang@hpe.com>
Co-authored-by: Gilbert Chen <gilbert.chen@hpe.com>
Reviewed-by: Leif Lindholm <leif.lindholm@linaro.org>
Cc: Leif Lindholm <leif.lindholm@linaro.org>
Cc: Gilbert Chen <gilbert.chen@hpe.com>
---
.../RiscVPlatformTimerLib.inf | 35 ++++++++++++++++
.../RiscVPlatformTimerLibNull.S | 40 +++++++++++++++++++
2 files changed, 75 insertions(+)
create mode 100644 Silicon/RISC-V/ProcessorPkg/Library/RiscVPlatformTimerLibNull/RiscVPlatformTimerLib.inf
create mode 100644 Silicon/RISC-V/ProcessorPkg/Library/RiscVPlatformTimerLibNull/RiscVPlatformTimerLibNull.S
diff --git a/Silicon/RISC-V/ProcessorPkg/Library/RiscVPlatformTimerLibNull/RiscVPlatformTimerLib.inf b/Silicon/RISC-V/ProcessorPkg/Library/RiscVPlatformTimerLibNull/RiscVPlatformTimerLib.inf
new file mode 100644
index 0000000000..6bf168c72e
--- /dev/null
+++ b/Silicon/RISC-V/ProcessorPkg/Library/RiscVPlatformTimerLibNull/RiscVPlatformTimerLib.inf
@@ -0,0 +1,35 @@
+## @file
+# RISC-V CPU lib to override timer mechanism for U500 platform.
+#
+# Copyright (c) 2019, Hewlett Packard Enterprise Development LP. All rights reserved.<BR>
+#
+# SPDX-License-Identifier: BSD-2-Clause-Patent
+#
+##
+
+[Defines]
+ INF_VERSION = 0x0001001b
+ BASE_NAME = RiscVPlatformTimerLibNull
+ FILE_GUID = 93FDB133-476E-4726-A65D-C10D5C9A68DE
+ MODULE_TYPE = BASE
+ VERSION_STRING = 1.0
+ LIBRARY_CLASS = RiscVPlatformTimerLib
+
+#
+# The following information is for reference only and not required by the build tools.
+#
+# VALID_ARCHITECTURES = RISCV64
+#
+
+[Sources]
+
+[Sources.RISCV64]
+ RiscVPlatformTimerLibNull.S
+
+[Packages]
+ MdeModulePkg/MdeModulePkg.dec
+ MdePkg/MdePkg.dec
+
+
+
+
diff --git a/Silicon/RISC-V/ProcessorPkg/Library/RiscVPlatformTimerLibNull/RiscVPlatformTimerLibNull.S b/Silicon/RISC-V/ProcessorPkg/Library/RiscVPlatformTimerLibNull/RiscVPlatformTimerLibNull.S
new file mode 100644
index 0000000000..815ab06bac
--- /dev/null
+++ b/Silicon/RISC-V/ProcessorPkg/Library/RiscVPlatformTimerLibNull/RiscVPlatformTimerLibNull.S
@@ -0,0 +1,40 @@
+//------------------------------------------------------------------------------
+//
+// Null instance of Timer CSR functions.
+//
+// Copyright (c) 2019, Hewlett Packard Enterprise Development LP. All rights reserved.<BR>
+//
+// SPDX-License-Identifier: BSD-2-Clause-Patent
+//
+//------------------------------------------------------------------------------
+#include <Base.h>
+
+.data
+
+.text
+.align 3
+
+.global ASM_PFX(RiscVReadMachineTimer)
+.global ASM_PFX(RiscVSetMachineTimerCmp)
+.global ASM_PFX(RiscVReadMachineTimerCmp)
+
+//
+// Read machine timer CSR.
+// @retval a0 : 64-bit machine timer.
+//
+ASM_PFX (RiscVReadMachineTimer):
+ ret
+
+//
+// Set machine timer compare CSR.
+// @param a0 : UINT64
+//
+ASM_PFX (RiscVSetMachineTimerCmp):
+ ret
+
+//
+// Read machine timer compare CSR.
+// @param a0 : UINT64
+//
+ASM_PFX (RiscVReadMachineTimerCmp):
+ ret
--
2.31.1
next prev parent reply other threads:[~2022-01-08 5:12 UTC|newest]
Thread overview: 39+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-01-08 4:10 [PATCH 02/79] ProcessorPkg/Library: RISC-V CPU library Abner Chang
2022-01-08 4:10 ` [PATCH 03/79] ProcessorPkg/Library: Add RISC-V exception library Abner Chang
2022-01-08 4:10 ` [PATCH 04/79] ProcessorPkg/Library: Add RISC-V timer library Abner Chang
2022-01-08 4:10 ` [PATCH 05/79] ProcessorPkg/RiscVOpensbLib: Add opensbi submodule Abner Chang
2022-01-08 4:10 ` [PATCH 06/79] ProcessorPkg/Library: Add RiscVOpensbiLib Abner Chang
2022-01-08 4:10 ` [PATCH 07/79] ProcessorPkg/Library: Add RiscVEdk2SbiLib Abner Chang
2022-01-08 4:10 ` [PATCH 08/79] ProcessorPkg/Library: RISC-V PEI Service Table Pointer library Abner Chang
2022-01-08 4:10 ` [PATCH 09/79] ProcessorPkg/CpuDxe: Add RISC-V CPU DXE driver Abner Chang
2022-01-08 4:10 ` [PATCH 10/79] ProcessorPkg/SmbiosDxe: Generic SMBIOS DXE driver for RISC-V platforms Abner Chang
2022-01-08 4:10 ` Abner Chang [this message]
2022-01-08 4:10 ` [PATCH 12/79] RISC-V/ProcessorPkg: RISC-V package Abner Chang
2022-01-08 4:10 ` [PATCH 13/79] PlatformPkg/Library: RISC-V Platform Temporary Memory library Abner Chang
2022-01-08 4:10 ` [PATCH 14/79] PlatformPkg/Library: Add FirmwareContextProcessorSpecificLib module Abner Chang
2022-01-08 4:10 ` [PATCH 15/79] PlatformPkg/Library: NULL instance of RiscVOpensbiPlatformLib Abner Chang
2022-01-08 4:10 ` [PATCH 16/79] PlatformPkg/Library: NULL instance of PlatformMemoryTestLib Abner Chang
2022-01-08 4:10 ` [PATCH 17/79] PlatformPkg/Library: NULL instance of PlatformUpdateProgressLib Abner Chang
2022-01-08 4:10 ` [PATCH 18/79] PlatformPkg/Library: Platform Boot Manager library Abner Chang
2022-01-08 4:10 ` [PATCH 19/79] PlatformPkg/SecMain: RISC-V SecMain module Abner Chang
2022-01-08 4:10 ` [PATCH 20/79] PlatformPkg: Add RiscVPlatformPkg Abner Chang
2022-01-08 4:10 ` [PATCH 21/79] RISC-V/PlatformPkg: Revise Readme.md Abner Chang
2022-01-08 4:10 ` [PATCH 22/79] Silicon/SiFive: Handle case of NULL FirmwareContext Abner Chang
2022-01-08 4:10 ` [PATCH 23/79] Silicon/RISC-V: Update old SMBIOS struct filed name Abner Chang
2022-01-08 4:10 ` [PATCH 24/79] Platform/RISC-V: Consume MdeLibs.dsc.inc for RegisterFilterLib Abner Chang
2022-01-08 4:10 ` [PATCH 25/79] Silicon/RISC_V: " Abner Chang
2022-01-08 4:10 ` [PATCH 26/79] RISC-V/CpuDxe: Ignore set memory attributes failure Abner Chang
2022-01-08 4:10 ` [PATCH 27/79] Signal EndOfDxe in boot manager Abner Chang
2022-01-08 4:10 ` [PATCH 28/79] U5SeriesPkg: Deduplicate PlatformPei Abner Chang
2022-01-08 4:10 ` [PATCH 29/79] RISC-V: Split SMBIOS out of PlatformPei Abner Chang
2022-01-08 4:10 ` [PATCH 30/79] RISC-V: Use U5 SMBIOS library only for those platforms Abner Chang
2022-01-08 4:10 ` [PATCH 31/79] Silicon/RISC-V: Introduce FirmwareContext library Abner Chang
2022-01-08 4:10 ` [PATCH 32/79] Silicon/RISC-V: PeiServiceTableLib uses RiscVFirmwareContextLib Abner Chang
2022-01-08 4:10 ` [PATCH 33/79] RISC-V/PlatformPkg: Build DeviceTree and use that in SEC Abner Chang
2022-01-08 4:10 ` [PATCH 34/79] RISC-V/PlatformPkg: Add FdtPeim to pass DTB from PEI to DXE via HOB Abner Chang
2022-01-08 4:10 ` [PATCH 35/79] RISC-V/PlatformPkg: Fixup FDT from HOB and install into config table Abner Chang
2022-01-08 4:10 ` [PATCH 36/79] RISC-V: Switch to latest OpenSBI Abner Chang
2022-01-08 4:10 ` [PATCH 37/79] RISC-V: Implement ResetSystem RT call Abner Chang
2022-01-08 4:10 ` [PATCH 38/79] Move OpenSbiPlatformLib to RISC-V/PlatformPkg Abner Chang
2022-01-08 4:10 ` [PATCH 39/79] RISC-V/PlatformPkg: Update document Abner Chang
2022-01-08 4:11 ` [PATCH 40/79] RISC-V: Add RISC-V PeiCoreEntryPoint library Abner Chang
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