diff options
Diffstat (limited to 'UefiPayloadPkg/BlSupportDxe/BlSupportDxe.c')
| -rw-r--r-- | UefiPayloadPkg/BlSupportDxe/BlSupportDxe.c | 158 |
1 files changed, 158 insertions, 0 deletions
diff --git a/UefiPayloadPkg/BlSupportDxe/BlSupportDxe.c b/UefiPayloadPkg/BlSupportDxe/BlSupportDxe.c new file mode 100644 index 0000000000..bcee4cd9bc --- /dev/null +++ b/UefiPayloadPkg/BlSupportDxe/BlSupportDxe.c @@ -0,0 +1,158 @@ +/** @file
+ This driver will report some MMIO/IO resources to dxe core, extract smbios and acpi
+ tables from bootloader.
+
+ Copyright (c) 2014 - 2019, Intel Corporation. All rights reserved.<BR>
+ SPDX-License-Identifier: BSD-2-Clause-Patent
+
+**/
+#include "BlSupportDxe.h"
+
+/**
+ Reserve MMIO/IO resource in GCD
+
+ @param IsMMIO Flag of whether it is mmio resource or io resource.
+ @param GcdType Type of the space.
+ @param BaseAddress Base address of the space.
+ @param Length Length of the space.
+ @param Alignment Align with 2^Alignment
+ @param ImageHandle Handle for the image of this driver.
+
+ @retval EFI_SUCCESS Reserve successful
+**/
+EFI_STATUS
+ReserveResourceInGcd (
+ IN BOOLEAN IsMMIO,
+ IN UINTN GcdType,
+ IN EFI_PHYSICAL_ADDRESS BaseAddress,
+ IN UINT64 Length,
+ IN UINTN Alignment,
+ IN EFI_HANDLE ImageHandle
+ )
+{
+ EFI_STATUS Status;
+
+ if (IsMMIO) {
+ Status = gDS->AddMemorySpace (
+ GcdType,
+ BaseAddress,
+ Length,
+ EFI_MEMORY_UC
+ );
+ if (EFI_ERROR (Status)) {
+ DEBUG ((
+ DEBUG_ERROR,
+ "Failed to add memory space :0x%lx 0x%lx\n",
+ BaseAddress,
+ Length
+ ));
+ }
+ ASSERT_EFI_ERROR (Status);
+ Status = gDS->AllocateMemorySpace (
+ EfiGcdAllocateAddress,
+ GcdType,
+ Alignment,
+ Length,
+ &BaseAddress,
+ ImageHandle,
+ NULL
+ );
+ ASSERT_EFI_ERROR (Status);
+ } else {
+ Status = gDS->AddIoSpace (
+ GcdType,
+ BaseAddress,
+ Length
+ );
+ ASSERT_EFI_ERROR (Status);
+ Status = gDS->AllocateIoSpace (
+ EfiGcdAllocateAddress,
+ GcdType,
+ Alignment,
+ Length,
+ &BaseAddress,
+ ImageHandle,
+ NULL
+ );
+ ASSERT_EFI_ERROR (Status);
+ }
+ return Status;
+}
+
+
+/**
+ Main entry for the bootloader support DXE module.
+
+ @param[in] ImageHandle The firmware allocated handle for the EFI image.
+ @param[in] SystemTable A pointer to the EFI System Table.
+
+ @retval EFI_SUCCESS The entry point is executed successfully.
+ @retval other Some error occurs when executing this entry point.
+
+**/
+EFI_STATUS
+EFIAPI
+BlDxeEntryPoint (
+ IN EFI_HANDLE ImageHandle,
+ IN EFI_SYSTEM_TABLE *SystemTable
+ )
+{
+ EFI_STATUS Status;
+ EFI_HOB_GUID_TYPE *GuidHob;
+ SYSTEM_TABLE_INFO *SystemTableInfo;
+ EFI_PEI_GRAPHICS_INFO_HOB *GfxInfo;
+
+ Status = EFI_SUCCESS;
+ //
+ // Report MMIO/IO Resources
+ //
+ Status = ReserveResourceInGcd (TRUE, EfiGcdMemoryTypeMemoryMappedIo, 0xFEC00000, SIZE_4KB, 0, SystemTable); // IOAPIC
+ ASSERT_EFI_ERROR (Status);
+
+ Status = ReserveResourceInGcd (TRUE, EfiGcdMemoryTypeMemoryMappedIo, 0xFED00000, SIZE_1KB, 0, SystemTable); // HPET
+ ASSERT_EFI_ERROR (Status);
+
+ //
+ // Find the system table information guid hob
+ //
+ GuidHob = GetFirstGuidHob (&gUefiSystemTableInfoGuid);
+ ASSERT (GuidHob != NULL);
+ SystemTableInfo = (SYSTEM_TABLE_INFO *)GET_GUID_HOB_DATA (GuidHob);
+
+ //
+ // Install Acpi Table
+ //
+ if (SystemTableInfo->AcpiTableBase != 0 && SystemTableInfo->AcpiTableSize != 0) {
+ DEBUG ((DEBUG_ERROR, "Install Acpi Table at 0x%lx, length 0x%x\n", SystemTableInfo->AcpiTableBase, SystemTableInfo->AcpiTableSize));
+ Status = gBS->InstallConfigurationTable (&gEfiAcpiTableGuid, (VOID *)(UINTN)SystemTableInfo->AcpiTableBase);
+ ASSERT_EFI_ERROR (Status);
+ }
+
+ //
+ // Install Smbios Table
+ //
+ if (SystemTableInfo->SmbiosTableBase != 0 && SystemTableInfo->SmbiosTableSize != 0) {
+ DEBUG ((DEBUG_ERROR, "Install Smbios Table at 0x%lx, length 0x%x\n", SystemTableInfo->SmbiosTableBase, SystemTableInfo->SmbiosTableSize));
+ Status = gBS->InstallConfigurationTable (&gEfiSmbiosTableGuid, (VOID *)(UINTN)SystemTableInfo->SmbiosTableBase);
+ ASSERT_EFI_ERROR (Status);
+ }
+
+ //
+ // Find the frame buffer information and update PCDs
+ //
+ GuidHob = GetFirstGuidHob (&gEfiGraphicsInfoHobGuid);
+ if (GuidHob != NULL) {
+ GfxInfo = (EFI_PEI_GRAPHICS_INFO_HOB *)GET_GUID_HOB_DATA (GuidHob);
+ Status = PcdSet32S (PcdVideoHorizontalResolution, GfxInfo->GraphicsMode.HorizontalResolution);
+ ASSERT_EFI_ERROR (Status);
+ Status = PcdSet32S (PcdVideoVerticalResolution, GfxInfo->GraphicsMode.VerticalResolution);
+ ASSERT_EFI_ERROR (Status);
+ Status = PcdSet32S (PcdSetupVideoHorizontalResolution, GfxInfo->GraphicsMode.HorizontalResolution);
+ ASSERT_EFI_ERROR (Status);
+ Status = PcdSet32S (PcdSetupVideoVerticalResolution, GfxInfo->GraphicsMode.VerticalResolution);
+ ASSERT_EFI_ERROR (Status);
+ }
+
+ return EFI_SUCCESS;
+}
+
|