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From: "Abner Chang" <abner.chang@hpe.com>
To: devel@edk2.groups.io
Cc: abner.chang@hpe.com, Leif Lindholm <leif.lindholm@linaro.org>,
	Gilbert Chen <gilbert.chen@hpe.com>
Subject: [edk2-staging/RISC-V-V2 PATCH v3 16/39] RiscVPkg/Library: Add RISC-V exception library
Date: Mon, 28 Oct 2019 09:58:54 +0800	[thread overview]
Message-ID: <1572227957-13169-17-git-send-email-abner.chang@hpe.com> (raw)
In-Reply-To: <1572227957-13169-1-git-send-email-abner.chang@hpe.com>

Initial RISC-V Supervisor Mode trap handler.

Signed-off-by: Abner Chang <abner.chang@hpe.com>

Cc: Leif Lindholm <leif.lindholm@linaro.org>
Cc: Gilbert Chen <gilbert.chen@hpe.com>
---
 .../CpuExceptionHandlerDxeLib.inf                  |  43 +++++
 .../RiscVExceptionLib/CpuExceptionHandlerLib.h     |  16 ++
 .../RiscVExceptionLib/CpuExceptionHandlerLib.c     | 191 +++++++++++++++++++++
 .../RiscVExceptionLib/CpuExceptionHandlerLib.uni   |  13 ++
 .../RiscVExceptionLib/SupervisorTrapHandler.S      |  88 ++++++++++
 5 files changed, 351 insertions(+)
 create mode 100644 RiscVPkg/Library/RiscVExceptionLib/CpuExceptionHandlerDxeLib.inf
 create mode 100644 RiscVPkg/Library/RiscVExceptionLib/CpuExceptionHandlerLib.h
 create mode 100644 RiscVPkg/Library/RiscVExceptionLib/CpuExceptionHandlerLib.c
 create mode 100644 RiscVPkg/Library/RiscVExceptionLib/CpuExceptionHandlerLib.uni
 create mode 100644 RiscVPkg/Library/RiscVExceptionLib/SupervisorTrapHandler.S

diff --git a/RiscVPkg/Library/RiscVExceptionLib/CpuExceptionHandlerDxeLib.inf b/RiscVPkg/Library/RiscVExceptionLib/CpuExceptionHandlerDxeLib.inf
new file mode 100644
index 0000000..2463bac
--- /dev/null
+++ b/RiscVPkg/Library/RiscVExceptionLib/CpuExceptionHandlerDxeLib.inf
@@ -0,0 +1,43 @@
+## @file
+#  RISC-V CPU Exception Handler Library
+#
+#  Copyright (c) 2016 - 2019, Hewlett Packard Enterprise Development LP. All rights reserved.<BR>
+#
+#  SPDX-License-Identifier: BSD-2-Clause-Patent
+#
+#
+
+[Defines]
+  INF_VERSION                    = 0x0001001b
+  BASE_NAME                      = CpuExceptionHandlerLib
+  MODULE_UNI_FILE                = CpuExceptionHandlerLib.uni
+  FILE_GUID                      = 16309FCF-E900-459C-B071-052118394D11
+  MODULE_TYPE                    = DXE_DRIVER
+  VERSION_STRING                 = 1.0
+  LIBRARY_CLASS                  = CpuExceptionHandlerLib
+  CONSTRUCTOR                    = CpuExceptionHandlerLibConstructor
+
+#
+# The following information is for reference only and not required by the build tools.
+#
+#  VALID_ARCHITECTURES           = RISCV64
+#
+
+[Sources.RISCV64]
+  SupervisorTrapHandler.S
+
+[Sources.common]
+  CpuExceptionHandlerLib.c
+  CpuExceptionHandlerLib.h
+
+[LibraryClasses]
+  BaseLib
+  DebugLib
+  RiscVCpuLib
+  UefiBootServicesTableLib
+
+[Packages]
+  MdePkg/MdePkg.dec
+  MdeModulePkg/MdeModulePkg.dec
+  RiscVPkg/RiscVPkg.dec
+
diff --git a/RiscVPkg/Library/RiscVExceptionLib/CpuExceptionHandlerLib.h b/RiscVPkg/Library/RiscVExceptionLib/CpuExceptionHandlerLib.h
new file mode 100644
index 0000000..1d141d1
--- /dev/null
+++ b/RiscVPkg/Library/RiscVExceptionLib/CpuExceptionHandlerLib.h
@@ -0,0 +1,16 @@
+/**@file
+
+  RISC-V Exception Handler library definition file.
+
+  Copyright (c) 2019, Hewlett Packard Enterprise Development LP. All rights reserved.<BR>
+
+  SPDX-License-Identifier: BSD-2-Clause-Patent
+
+**/
+
+#ifndef RISCV_CPU_EXECPTION_HANDLER_LIB_H_
+#define RISCV_CPU_EXECPTION_HANDLER_LIB_H_
+
+extern void SupervisorModeTrap(void);
+
+#endif
diff --git a/RiscVPkg/Library/RiscVExceptionLib/CpuExceptionHandlerLib.c b/RiscVPkg/Library/RiscVExceptionLib/CpuExceptionHandlerLib.c
new file mode 100644
index 0000000..e25ce3a
--- /dev/null
+++ b/RiscVPkg/Library/RiscVExceptionLib/CpuExceptionHandlerLib.c
@@ -0,0 +1,191 @@
+/** @file
+  RISC-V Exception Handler library implementition.
+
+  Copyright (c) 2016 - 2019, Hewlett Packard Enterprise Development LP. All rights reserved.<BR>
+
+  SPDX-License-Identifier: BSD-2-Clause-Patent
+
+**/
+
+#include <PiPei.h>
+#include <Library/CpuExceptionHandlerLib.h>
+#include <Library/DebugLib.h>
+#include <Library/RiscVCpuLib.h>
+#include <sbi/riscv_asm.h>
+#include <sbi/riscv_encoding.h>
+#include <sbi/sbi_types.h>
+
+#include "CpuExceptionHandlerLib.h"
+
+STATIC EFI_CPU_INTERRUPT_HANDLER mInterruptHandlers[2];
+
+/**
+  Initializes all CPU exceptions entries and provides the default exception handlers.
+
+  Caller should try to get an array of interrupt and/or exception vectors that are in use and need to
+  persist by EFI_VECTOR_HANDOFF_INFO defined in PI 1.3 specification.
+  If caller cannot get reserved vector list or it does not exists, set VectorInfo to NULL.
+  If VectorInfo is not NULL, the exception vectors will be initialized per vector attribute accordingly.
+
+  @param[in]  VectorInfo    Pointer to reserved vector list.
+
+  @retval EFI_SUCCESS           CPU Exception Entries have been successfully initialized
+                                with default exception handlers.
+  @retval EFI_INVALID_PARAMETER VectorInfo includes the invalid content if VectorInfo is not NULL.
+  @retval EFI_UNSUPPORTED       This function is not supported.
+
+**/
+EFI_STATUS
+EFIAPI
+InitializeCpuExceptionHandlers (
+  IN EFI_VECTOR_HANDOFF_INFO       *VectorInfo OPTIONAL
+  )
+{
+  return EFI_SUCCESS;
+}
+
+/**
+  Initializes all CPU interrupt/exceptions entries and provides the default interrupt/exception handlers.
+
+  Caller should try to get an array of interrupt and/or exception vectors that are in use and need to
+  persist by EFI_VECTOR_HANDOFF_INFO defined in PI 1.3 specification.
+  If caller cannot get reserved vector list or it does not exists, set VectorInfo to NULL.
+  If VectorInfo is not NULL, the exception vectors will be initialized per vector attribute accordingly.
+
+  @param[in]  VectorInfo    Pointer to reserved vector list.
+
+  @retval EFI_SUCCESS           All CPU interrupt/exception entries have been successfully initialized
+                                with default interrupt/exception handlers.
+  @retval EFI_INVALID_PARAMETER VectorInfo includes the invalid content if VectorInfo is not NULL.
+  @retval EFI_UNSUPPORTED       This function is not supported.
+
+**/
+EFI_STATUS
+EFIAPI
+InitializeCpuInterruptHandlers (
+  IN EFI_VECTOR_HANDOFF_INFO       *VectorInfo OPTIONAL
+  )
+{
+  return EFI_SUCCESS;
+}
+
+/**
+  Registers a function to be called from the processor interrupt handler.
+
+  This function registers and enables the handler specified by InterruptHandler for a processor
+  interrupt or exception type specified by InterruptType. If InterruptHandler is NULL, then the
+  handler for the processor interrupt or exception type specified by InterruptType is uninstalled.
+  The installed handler is called once for each processor interrupt or exception.
+  NOTE: This function should be invoked after InitializeCpuExceptionHandlers() or
+  InitializeCpuInterruptHandlers() invoked, otherwise EFI_UNSUPPORTED returned.
+
+  @param[in]  InterruptType     Defines which interrupt or exception to hook.
+  @param[in]  InterruptHandler  A pointer to a function of type EFI_CPU_INTERRUPT_HANDLER that is called
+                                when a processor interrupt occurs. If this parameter is NULL, then the handler
+                                will be uninstalled.
+
+  @retval EFI_SUCCESS           The handler for the processor interrupt was successfully installed or uninstalled.
+  @retval EFI_ALREADY_STARTED   InterruptHandler is not NULL, and a handler for InterruptType was
+                                previously installed.
+  @retval EFI_INVALID_PARAMETER InterruptHandler is NULL, and a handler for InterruptType was not
+                                previously installed.
+  @retval EFI_UNSUPPORTED       The interrupt specified by InterruptType is not supported,
+                                or this function is not supported.
+**/
+EFI_STATUS
+EFIAPI
+RegisterCpuInterruptHandler (
+  IN EFI_EXCEPTION_TYPE            InterruptType,
+  IN EFI_CPU_INTERRUPT_HANDLER     InterruptHandler
+  )
+{
+
+  DEBUG ((DEBUG_INFO, "%a: Type:%x Handler: %x\n", __FUNCTION__, InterruptType, InterruptHandler));
+  mInterruptHandlers[InterruptType] = InterruptHandler;
+  return EFI_SUCCESS;
+}
+/**
+  Machine mode trap handler.
+
+**/
+VOID
+RiscVSupervisorModeTrapHandler (
+  VOID
+  )
+{
+  EFI_SYSTEM_CONTEXT RiscVSystemContext;
+  UINTN SCause;
+
+  //
+  // Check scasue register.
+  //
+  SCause = (UINTN)csr_read(RISCV_CSR_SUPERVISOR_SCAUSE);
+  if ((SCause & (1UL << (sizeof (UINTN) * 8- 1))) != 0) {
+    //
+    // This is interrupt event.
+    //
+    SCause &= ~(1UL << (sizeof (UINTN) * 8- 1));
+    if((SCause == SCAUSE_SUPERVISOR_TIMER_INT) && (mInterruptHandlers[EXCEPT_RISCV_TIMER_INT] != NULL)) {
+      mInterruptHandlers[EXCEPT_RISCV_TIMER_INT](EXCEPT_RISCV_TIMER_INT, (CONST EFI_SYSTEM_CONTEXT)RiscVSystemContext);
+    }
+  }
+}
+
+/**
+  Initializes all CPU exceptions entries with optional extra initializations.
+
+  By default, this method should include all functionalities implemented by
+  InitializeCpuExceptionHandlers(), plus extra initialization works, if any.
+  This could be done by calling InitializeCpuExceptionHandlers() directly
+  in this method besides the extra works.
+
+  InitData is optional and its use and content are processor arch dependent.
+  The typical usage of it is to convey resources which have to be reserved
+  elsewhere and are necessary for the extra initializations of exception.
+
+  @param[in]  VectorInfo    Pointer to reserved vector list.
+  @param[in]  InitData      Pointer to data optional for extra initializations
+                            of exception.
+
+  @retval EFI_SUCCESS             The exceptions have been successfully
+                                  initialized.
+  @retval EFI_INVALID_PARAMETER   VectorInfo or InitData contains invalid
+                                  content.
+  @retval EFI_UNSUPPORTED         This function is not supported.
+
+**/
+EFI_STATUS
+EFIAPI
+InitializeCpuExceptionHandlersEx (
+  IN EFI_VECTOR_HANDOFF_INFO            *VectorInfo OPTIONAL,
+  IN CPU_EXCEPTION_INIT_DATA            *InitData OPTIONAL
+  )
+{
+  return InitializeCpuExceptionHandlers (VectorInfo);
+}
+
+/**
+  The constructor function to initial interrupt handlers in
+  RISCV_MACHINE_MODE_CONTEXT.
+
+  @param  ImageHandle   The firmware allocated handle for the EFI image.
+  @param  SystemTable   A pointer to the EFI System Table.
+
+  @retval EFI_SUCCESS   The destructor completed successfully.
+  @retval Other value   The destructor did not complete successfully.
+
+**/
+EFI_STATUS
+EFIAPI
+CpuExceptionHandlerLibConstructor (
+  IN EFI_HANDLE        ImageHandle,
+  IN EFI_SYSTEM_TABLE  *SystemTable
+  )
+{
+  //
+  // Set Superviosr mode trap handler.
+  //
+  csr_write(CSR_STVEC, SupervisorModeTrap);
+
+  return EFI_SUCCESS;
+}
diff --git a/RiscVPkg/Library/RiscVExceptionLib/CpuExceptionHandlerLib.uni b/RiscVPkg/Library/RiscVExceptionLib/CpuExceptionHandlerLib.uni
new file mode 100644
index 0000000..00cca22
--- /dev/null
+++ b/RiscVPkg/Library/RiscVExceptionLib/CpuExceptionHandlerLib.uni
@@ -0,0 +1,13 @@
+// /** @file
+//
+// Copyright (c) 2016 - 2019, Hewlett Packard Enterprise Development LP. All rights reserved.<BR>
+//
+// SPDX-License-Identifier: BSD-2-Clause-Patent
+//
+// **/
+
+
+#string STR_MODULE_ABSTRACT             #language en-US "RISC-V CPU Exception Handler Librarys."
+
+#string STR_MODULE_DESCRIPTION          #language en-US "RISC-V CPU Exception Handler Librarys."
+
diff --git a/RiscVPkg/Library/RiscVExceptionLib/SupervisorTrapHandler.S b/RiscVPkg/Library/RiscVExceptionLib/SupervisorTrapHandler.S
new file mode 100644
index 0000000..7d3cdd8
--- /dev/null
+++ b/RiscVPkg/Library/RiscVExceptionLib/SupervisorTrapHandler.S
@@ -0,0 +1,88 @@
+/** @file
+  RISC-V Processor supervisor mode trap handler
+
+  Copyright (c) 2019, Hewlett Packard Enterprise Development LP. All rights reserved.<BR>
+
+  SPDX-License-Identifier: BSD-2-Clause-Patent
+
+**/
+
+#include <Base.h>
+#include <RiscVImpl.h>
+#include <sbi/riscv_asm.h>
+#include <sbi/riscv_encoding.h>
+#include <sbi/sbi_platform.h>
+#include <sbi/sbi_scratch.h>
+#include <sbi/sbi_trap.h>
+
+  .align 3
+  .section .entry, "ax", %progbits
+  .globl SupervisorModeTrap
+SupervisorModeTrap:
+  addi sp, sp, -34 * 8
+ /* Save all general regisers except SP and T0 */
+  sd    ra, 1 * 8(sp)
+  sd    gp, 2 * 8(sp)
+  sd    tp, 3 * 8(sp)
+  sd    t1, 4 * 8(sp)
+  sd    t2, 5 * 8(sp)
+  sd    s0, 6 * 8(sp)
+  sd    s1, 7 * 8(sp)
+  sd    a0, 8 * 8(sp)
+  sd    a1, 9 * 8(sp)
+  sd    a2, 10 * 8(sp)
+  sd    a3, 11 * 8(sp)
+  sd    a4, 12 * 8(sp)
+  sd    a5, 13 * 8(sp)
+  sd    a6, 14 * 8(sp)
+  sd    a7, 15 * 8(sp)
+  sd    s2, 16 * 8(sp)
+  sd    s3, 17 * 8(sp)
+  sd    s4, 18 * 8(sp)
+  sd    s5, 19 * 8(sp)
+  sd    s6, 20 * 8(sp)
+  sd    s7, 21 * 8(sp)
+  sd    s8, 22 * 8(sp)
+  sd    s9, 23 * 8(sp)
+  sd    s10, 24 * 8(sp)
+  sd    s11, 25 * 8(sp)
+  sd    t3, 26 * 8(sp)
+  sd    t4, 27 * 8(sp)
+  sd    t5, 28 * 8(sp)
+  sd    t6, 29 * 8(sp)
+
+  /* Call to Supervisor mode trap handler in CpuExceptionHandlerLib.c */
+  call  RiscVSupervisorModeTrapHandler
+
+  /* Restore all general regisers except SP and T0 */
+  ld    ra, 1 * 8(sp)
+  ld    gp, 2 * 8(sp)
+  ld    tp, 3 * 8(sp)
+  ld    t1, 4 * 8(sp)
+  ld    t2, 5 * 8(sp)
+  ld    s0, 6 * 8(sp)
+  ld    s1, 7 * 8(sp)
+  ld    a0, 8 * 8(sp)
+  ld    a1, 9 * 8(sp)
+  ld    a2, 10 * 8(sp)
+  ld    a3, 11 * 8(sp)
+  ld    a4, 12 * 8(sp)
+  ld    a5, 13 * 8(sp)
+  ld    a6, 14 * 8(sp)
+  ld    a7, 15 * 8(sp)
+  ld    s2, 16 * 8(sp)
+  ld    s3, 17 * 8(sp)
+  ld    s4, 18 * 8(sp)
+  ld    s5, 19 * 8(sp)
+  ld    s6, 20 * 8(sp)
+  ld    s7, 21 * 8(sp)
+  ld    s8, 22 * 8(sp)
+  ld    s9, 23 * 8(sp)
+  ld    s10, 24 * 8(sp)
+  ld    s11, 25 * 8(sp)
+  ld    t3, 26 * 8(sp)
+  ld    t4, 27 * 8(sp)
+  ld    t5, 28 * 8(sp)
+  ld    t6, 29 * 8(sp)
+  addi  sp, sp, 34 * 8
+  sret
-- 
2.7.4


  parent reply	other threads:[~2019-10-28  2:31 UTC|newest]

Thread overview: 77+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-10-28  1:58 [edk2-staging/RISC-V-V2 PATCH v3 00/39] RISC-V EDK2 Port on Abner Chang
2019-10-28  1:58 ` [edk2-staging/RISC-V-V2 PATCH v3 01/39] RiscVPkg: RISC-V processor package Abner Chang
2019-10-28  1:58 ` [edk2-staging/RISC-V-V2 PATCH v3 02/39] RiscVPkg/Include: Add header files of RISC-V CPU package Abner Chang
2019-10-28  1:58 ` [edk2-staging/RISC-V-V2 PATCH v3 03/39] RiscVPkg/opensbi: EDK2 RISC-V OpenSBI support Abner Chang
2019-11-21 16:24   ` Leif Lindholm
2019-12-19  4:09     ` [edk2-devel] " Abner Chang
2019-12-19 13:21       ` Leif Lindholm
2019-12-19 14:48         ` Abner Chang
     [not found]         ` <15E1CD20DD2FE7F1.29030@groups.io>
2019-12-20  3:04           ` Abner Chang
2019-10-28  1:58 ` [edk2-staging/RISC-V-V2 PATCH v3 04/39] MdePkg: RISC-V RV64 binding in MdePkg Abner Chang
2019-10-28  1:58 ` [edk2-staging/RISC-V-V2 PATCH v3 05/39] MdePkg/Include: RISC-V definitions Abner Chang
2019-10-28  1:58 ` [edk2-staging/RISC-V-V2 PATCH v3 06/39] MdeModulePkg/CapsuleRuntimeDxe: Add RISCV64 arch Abner Chang
2019-10-28  1:58 ` [edk2-staging/RISC-V-V2 PATCH v3 07/39] MdePkg/BaseLib: BaseLib for RISC-V RV64 Processor Abner Chang
2019-10-28  1:58 ` [edk2-staging/RISC-V-V2 PATCH v3 08/39] MdePkg/BaseCacheMaintenanceLib: RISC-V cache maintenance implementation Abner Chang
2019-10-28  1:58 ` [edk2-staging/RISC-V-V2 PATCH v3 09/39] MdePkg/BaseIoLibIntrinsic: RISC-V I/O intrinsic functions Abner Chang
2019-11-21 16:36   ` Leif Lindholm
2019-10-28  1:58 ` [edk2-staging/RISC-V-V2 PATCH v3 10/39] MdePkg/BasePeCoff: Add RISC-V PE/Coff related code Abner Chang
2019-10-28  1:58 ` [edk2-staging/RISC-V-V2 PATCH v3 11/39] MdePkg/BaseCpuLib: RISC-V Base CPU library implementation Abner Chang
2019-10-28  1:58 ` [edk2-staging/RISC-V-V2 PATCH v3 12/39] MdePkg/BaseSynchronizationLib: RISC-V cache related code Abner Chang
2019-10-28  1:58 ` [edk2-staging/RISC-V-V2 PATCH v3 13/39] MdeModulePkg/Logo Abner Chang
2019-10-28  1:58 ` [edk2-staging/RISC-V-V2 PATCH v3 14/39] NetworkPkg Abner Chang
2019-10-28  1:58 ` [edk2-staging/RISC-V-V2 PATCH v3 15/39] RiscVPkg/Library: RISC-V CPU library Abner Chang
2019-10-28  1:58 ` Abner Chang [this message]
2019-10-28  1:58 ` [edk2-staging/RISC-V-V2 PATCH v3 17/39] RiscVPkg/Library: Add RISC-V timer library Abner Chang
2019-10-28  1:58 ` [edk2-staging/RISC-V-V2 PATCH v3 18/39] RiscVPkg/Library: Add EDK2 RISC-V OpenSBI library Abner Chang
2019-11-21 16:48   ` [edk2-devel] " Leif Lindholm
2019-12-19  6:00     ` Abner Chang
2019-12-20 15:04       ` Abner Chang
2019-10-28  1:58 ` [edk2-staging/RISC-V-V2 PATCH v3 19/39] RiscVPkg/Library: RISC-V platform level DxeIPL libraries Abner Chang
2019-10-28  1:58 ` [edk2-staging/RISC-V-V2 PATCH v3 20/39] MdeModulePkg/DxeIplPeim : RISC-V platform level DxeIPL Abner Chang
2019-10-28  1:58 ` [edk2-staging/RISC-V-V2 PATCH v3 21/39] RiscVPkg/PeiServicesTablePointerLibOpenSbi: RISC-V PEI Service Table Pointer library Abner Chang
2019-10-28  1:59 ` [edk2-staging/RISC-V-V2 PATCH v3 22/39] RiscVPlatformPkg/RiscVPlatformTempMemoryInit: RISC-V Platform Temporary Memory library Abner Chang
2019-10-28  1:59 ` [edk2-staging/RISC-V-V2 PATCH v3 23/39] RiscVPkg/CpuDxe: Add RISC-V CPU DXE driver Abner Chang
2019-10-28  1:59 ` [edk2-staging/RISC-V-V2 PATCH v3 24/39] BaseTools: BaseTools changes for RISC-V platform Abner Chang
2019-11-21 16:55   ` Leif Lindholm
2019-10-28  1:59 ` [edk2-staging/RISC-V-V2 PATCH v3 25/39] BaseTools/Scripts Abner Chang
2019-11-19 18:17   ` [edk2-devel] " Mark Salter
2019-11-20  8:23     ` Abner Chang
2019-11-21  7:40       ` Abner Chang
2019-11-21 16:56   ` Leif Lindholm
2019-11-22  3:49     ` Abner Chang
2019-10-28  1:59 ` [edk2-staging/RISC-V-V2 PATCH v3 26/39] RiscVPkg/SmbiosDxe: Generic SMBIOS DXE driver for RISC-V platforms Abner Chang
2019-10-28  1:59 ` [edk2-staging/RISC-V-V2 PATCH v3 27/39] RiscVPkg/RiscVOpensbLlib: Add submodule opensbi Abner Chang
2019-11-21 17:00   ` Leif Lindholm
2019-10-28  1:59 ` [edk2-staging/RISC-V-V2 PATCH v3 28/39] RiscVPlatformPkg/FirmwareContextProcessorSpecificLib:Add FirmwareContextProcessorSpecificLib module Abner Chang
2019-10-28  1:59 ` [edk2-staging/RISC-V-V2 PATCH v3 29/39] RiscVPlatformPkg/RealTimeClockLibNull: Null instance of RTC lib Abner Chang
2019-11-21 17:02   ` Leif Lindholm
2019-11-22 12:28     ` Abner Chang
2019-11-22 14:08       ` Leif Lindholm
2019-11-22 14:19         ` Abner Chang
2019-11-22 14:55           ` Leif Lindholm
2019-11-22 16:05             ` [edk2-devel] " Abner Chang
2019-11-22 16:32               ` Leif Lindholm
2019-11-23  7:38                 ` Abner Chang
2019-10-28  1:59 ` [edk2-staging/RISC-V-V2 PATCH v3 30/39] RiscVPlatformPkg/OpensbiPlatformLibNull: NULL instance of RiscVOpensbiPlatformLib Abner Chang
2019-10-28  1:59 ` [edk2-staging/RISC-V-V2 PATCH v3 31/39] RiscVPlatformPkg/PlatformMemoryTestLibNull: NULL instance of PlatformMemoryTestLib Abner Chang
2019-10-28  1:59 ` [edk2-staging/RISC-V-V2 PATCH v3 32/39] RiscVPlatformPkg/PlatformUpdateProgressLibNull: NULL instance of PlatformUpdateProgressLib Abner Chang
2019-10-28  1:59 ` [edk2-staging/RISC-V-V2 PATCH v3 33/39] RiscVPlatformPkg/PlatformBootManagerLib: Platform Boot Manager library Abner Chang
2019-10-28  1:59 ` [edk2-staging/RISC-V-V2 PATCH v3 34/39] RiscVPkg/RiscVPlatformTimerLibNull: NULL instance of RISC-V platform timer library Abner Chang
2019-10-28  1:59 ` [edk2-staging/RISC-V-V2 PATCH v3 35/39] RiscVPlatformPkg/SecMain: RISC-V SecMain module Abner Chang
2019-10-28  1:59 ` [edk2-staging/RISC-V-V2 PATCH v3 36/39] RiscVPlatformPkg: Add RiscVPlatformPkg Abner Chang
2019-10-28  1:59 ` [edk2-staging/RISC-V-V2 PATCH v3 37/39] edk2-staging:RISC-V-V2: Add RiscVEdk2Readme.md Abner Chang
2019-11-21 17:09   ` Leif Lindholm
2019-11-22  3:57     ` [edk2-devel] " Abner Chang
2019-11-22  9:34       ` Leif Lindholm
2019-10-28  1:59 ` [edk2-staging/RISC-V-V2 PATCH v3 38/39] edk2-staging: Revise Maintainers.txt for RISC-V packages Abner Chang
2019-10-29  1:05   ` [edk2-devel] " Laszlo Ersek
2019-10-29  1:31     ` Abner Chang
2019-10-28  1:59 ` [edk2-staging/RISC-V-V2 PATCH v3 39/39] edk2-staging: Revise Readme.md Abner Chang
2019-10-29  1:07   ` [edk2-devel] " Laszlo Ersek
2019-10-29  1:35     ` Abner Chang
2019-10-29  2:01     ` Leif Lindholm
2019-10-31  8:20       ` Laszlo Ersek
2019-11-21 17:15   ` Leif Lindholm
2019-11-22  2:05     ` Abner Chang
2019-11-22  9:42       ` Leif Lindholm
2019-11-22 11:46         ` Abner Chang

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