The better time for updating dsdt is in ready to boot event,
so change the updating time.
Signed-off-by: Ming Huang <huangmin...@huawei.com>
---
Silicon/Hisilicon/Drivers/AcpiPlatformDxe/AcpiPlatform.c | 60
++++++++++++++++++--
1 file changed, 56 insertions(+), 4 deletions(-)
diff --git a/Silicon/Hisilicon/Drivers/AcpiPlatformDxe/AcpiPlatform.c
b/Silicon/Hisilicon/Drivers/AcpiPlatformDxe/AcpiPlatform.c
index b888cb1..1ab55bc 100644
--- a/Silicon/Hisilicon/Drivers/AcpiPlatformDxe/AcpiPlatform.c
+++ b/Silicon/Hisilicon/Drivers/AcpiPlatformDxe/AcpiPlatform.c
@@ -1,8 +1,8 @@
/** @file
- Copyright (c) 2014, Applied Micro Curcuit Corporation. All rights
reserved.<BR>
- Copyright (c) 2015, Hisilicon Limited. All rights reserved.<BR>
- Copyright (c) 2015, Linaro Limited. All rights reserved.<BR>
+ Copyright (c) 2014 - 2020, Applied Micro Curcuit Corporation. All rights
reserved.<BR>
+ Copyright (c) 2015 - 2020, Hisilicon Limited. All rights reserved.<BR>
+ Copyright (c) 2015 - 2020, Linaro Limited. All rights reserved.<BR>
SPDX-License-Identifier: BSD-2-Clause-Patent
**/
@@ -23,6 +23,38 @@
#include <IndustryStandard/AcpiAml.h>
#include "EthMac.h"
+EFI_EVENT mUpdateAcpiDsdtTableEvent;
+
+VOID
+EFIAPI
+UpdateAcpiDsdt (
+ IN EFI_EVENT Event,
+ IN VOID *Context
+ )
+{
+ EFI_ACPI_TABLE_PROTOCOL *AcpiTableProtocol;
+ EFI_STATUS Status;
+
+ Status = gBS->LocateProtocol (
+ &gEfiAcpiTableProtocolGuid,
+ NULL,
+ (VOID**)&AcpiTableProtocol
+ );
+
+ if (EFI_ERROR (Status)) {
+ DEBUG ((DEBUG_ERROR, " Unable to locate ACPI table protocol\n"));
+ return;
+ }
+
+ Status = EthMacInit ();
+ if (EFI_ERROR (Status)) {
+ DEBUG ((DEBUG_ERROR, " UpdateAcpiDsdtTable Failed, Status = %r\n",
Status));
+ }
+
+ gBS->CloseEvent (Event);
+ return;
+}
+
EFI_STATUS
EFIAPI
AcpiPlatformEntryPoint (
@@ -30,5 +62,25 @@ AcpiPlatformEntryPoint (
IN EFI_SYSTEM_TABLE *SystemTable
)
{
- return EthMacInit();
+ EFI_STATUS Status;
+
+ //
+ // Register notify function
+ //
+ Status = gBS->CreateEventEx (
+ EVT_NOTIFY_SIGNAL,
+ TPL_CALLBACK,
+ UpdateAcpiDsdt,
+ NULL,
+ &gEfiEventReadyToBootGuid,
+ &mUpdateAcpiDsdtTableEvent
+ );
+
+ if (EFI_ERROR (Status)) {
+ DEBUG ((DEBUG_ERROR, "Create ReadyToBoot event for UpdateAcpiDsdt
failed.\n"));
+ } else {
+ DEBUG ((DEBUG_INFO, "Create ReadyToBoot event for UpdateAcpiDsdt
success.\n"));
+ }
+
+ return Status;
}
--
2.8.1
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