diff options
Diffstat (limited to 'src/VBox/Devices/EFI/Firmware/UefiPayloadPkg/Library/SblParseLib/SblParseLib.c')
| -rw-r--r-- | src/VBox/Devices/EFI/Firmware/UefiPayloadPkg/Library/SblParseLib/SblParseLib.c | 223 |
1 files changed, 223 insertions, 0 deletions
diff --git a/src/VBox/Devices/EFI/Firmware/UefiPayloadPkg/Library/SblParseLib/SblParseLib.c b/src/VBox/Devices/EFI/Firmware/UefiPayloadPkg/Library/SblParseLib/SblParseLib.c new file mode 100644 index 00000000..8246a99f --- /dev/null +++ b/src/VBox/Devices/EFI/Firmware/UefiPayloadPkg/Library/SblParseLib/SblParseLib.c @@ -0,0 +1,223 @@ +/** @file + This library will parse the Slim Bootloader to get required information. + + Copyright (c) 2014 - 2019, Intel Corporation. All rights reserved.<BR> + SPDX-License-Identifier: BSD-2-Clause-Patent + +**/ + +#include <PiDxe.h> +#include <Library/BaseLib.h> +#include <Library/BaseMemoryLib.h> +#include <Library/DebugLib.h> +#include <Library/PcdLib.h> +#include <Library/IoLib.h> +#include <Library/HobLib.h> +#include <Library/BlParseLib.h> +#include <IndustryStandard/Acpi.h> + + +/** + This function retrieves the parameter base address from boot loader. + + This function will get bootloader specific parameter address for UEFI payload. + e.g. HobList pointer for Slim Bootloader, and coreboot table header for Coreboot. + + @retval NULL Failed to find the GUID HOB. + @retval others GUIDed HOB data pointer. + +**/ +VOID * +EFIAPI +GetParameterBase ( + VOID + ) +{ + EFI_HOB_HANDOFF_INFO_TABLE *HandoffTable; + + HandoffTable = (EFI_HOB_HANDOFF_INFO_TABLE *)(UINTN) GET_BOOTLOADER_PARAMETER (); + if ((HandoffTable->Header.HobType == EFI_HOB_TYPE_HANDOFF) && + (HandoffTable->Header.HobLength == sizeof (EFI_HOB_HANDOFF_INFO_TABLE)) && + (HandoffTable->Header.Reserved == 0)) { + return (VOID *)HandoffTable; + } + + return NULL; +} + + +/** + This function retrieves a GUIDed HOB data from Slim Bootloader. + + This function will search SBL HOB list to find the first GUIDed HOB that + its GUID matches Guid. + + @param[in] Guid A pointer to HOB GUID to search. + + @retval NULL Failed to find the GUID HOB. + @retval others GUIDed HOB data pointer. + +**/ +VOID * +GetGuidHobDataFromSbl ( + IN EFI_GUID *Guid + ) +{ + UINT8 *GuidHob; + CONST VOID *HobList; + + HobList = GetParameterBase (); + ASSERT (HobList != NULL); + GuidHob = GetNextGuidHob (Guid, HobList); + if (GuidHob != NULL) { + return GET_GUID_HOB_DATA (GuidHob); + } + + return NULL; +} + +/** + Acquire the memory map information. + + @param MemInfoCallback The callback routine + @param Params Pointer to the callback routine parameter + + @retval RETURN_SUCCESS Successfully find out the memory information. + @retval RETURN_NOT_FOUND Failed to find the memory information. + +**/ +RETURN_STATUS +EFIAPI +ParseMemoryInfo ( + IN BL_MEM_INFO_CALLBACK MemInfoCallback, + IN VOID *Params + ) +{ + MEMROY_MAP_INFO *MemoryMapInfo; + UINTN Idx; + + MemoryMapInfo = (MEMROY_MAP_INFO *) GetGuidHobDataFromSbl (&gLoaderMemoryMapInfoGuid); + if (MemoryMapInfo == NULL) { + ASSERT (FALSE); + return RETURN_NOT_FOUND; + } + + for (Idx = 0; Idx < MemoryMapInfo->Count; Idx++) { + MemInfoCallback (&MemoryMapInfo->Entry[Idx], Params); + } + + return RETURN_SUCCESS; +} + +/** + Acquire acpi table and smbios table from slim bootloader + + @param SystemTableInfo Pointer to the system table info + + @retval RETURN_SUCCESS Successfully find out the tables. + @retval RETURN_NOT_FOUND Failed to find the tables. + +**/ +RETURN_STATUS +EFIAPI +ParseSystemTable ( + OUT SYSTEM_TABLE_INFO *SystemTableInfo + ) +{ + SYSTEM_TABLE_INFO *TableInfo; + + TableInfo = (SYSTEM_TABLE_INFO *)GetGuidHobDataFromSbl (&gUefiSystemTableInfoGuid); + if (TableInfo == NULL) { + ASSERT (FALSE); + return RETURN_NOT_FOUND; + } + + CopyMem (SystemTableInfo, TableInfo, sizeof (SYSTEM_TABLE_INFO)); + + return RETURN_SUCCESS; +} + + +/** + Find the serial port information + + @param SERIAL_PORT_INFO Pointer to serial port info structure + + @retval RETURN_SUCCESS Successfully find the serial port information. + @retval RETURN_NOT_FOUND Failed to find the serial port information . + +**/ +RETURN_STATUS +EFIAPI +ParseSerialInfo ( + OUT SERIAL_PORT_INFO *SerialPortInfo + ) +{ + SERIAL_PORT_INFO *BlSerialInfo; + + BlSerialInfo = (SERIAL_PORT_INFO *) GetGuidHobDataFromSbl (&gUefiSerialPortInfoGuid); + if (BlSerialInfo == NULL) { + ASSERT (FALSE); + return RETURN_NOT_FOUND; + } + + CopyMem (SerialPortInfo, BlSerialInfo, sizeof (SERIAL_PORT_INFO)); + + return RETURN_SUCCESS; +} + + +/** + Find the video frame buffer information + + @param GfxInfo Pointer to the EFI_PEI_GRAPHICS_INFO_HOB structure + + @retval RETURN_SUCCESS Successfully find the video frame buffer information. + @retval RETURN_NOT_FOUND Failed to find the video frame buffer information . + +**/ +RETURN_STATUS +EFIAPI +ParseGfxInfo ( + OUT EFI_PEI_GRAPHICS_INFO_HOB *GfxInfo + ) +{ + EFI_PEI_GRAPHICS_INFO_HOB *BlGfxInfo; + + BlGfxInfo = (EFI_PEI_GRAPHICS_INFO_HOB *) GetGuidHobDataFromSbl (&gEfiGraphicsInfoHobGuid); + if (BlGfxInfo == NULL) { + return RETURN_NOT_FOUND; + } + + CopyMem (GfxInfo, BlGfxInfo, sizeof (EFI_PEI_GRAPHICS_INFO_HOB)); + + return RETURN_SUCCESS; +} + +/** + Find the video frame buffer device information + + @param GfxDeviceInfo Pointer to the EFI_PEI_GRAPHICS_DEVICE_INFO_HOB structure + + @retval RETURN_SUCCESS Successfully find the video frame buffer information. + @retval RETURN_NOT_FOUND Failed to find the video frame buffer information. + +**/ +RETURN_STATUS +EFIAPI +ParseGfxDeviceInfo ( + OUT EFI_PEI_GRAPHICS_DEVICE_INFO_HOB *GfxDeviceInfo + ) +{ + EFI_PEI_GRAPHICS_DEVICE_INFO_HOB *BlGfxDeviceInfo; + + BlGfxDeviceInfo = (EFI_PEI_GRAPHICS_DEVICE_INFO_HOB *) GetGuidHobDataFromSbl (&gEfiGraphicsDeviceInfoHobGuid); + if (BlGfxDeviceInfo == NULL) { + return RETURN_NOT_FOUND; + } + + CopyMem (GfxDeviceInfo, BlGfxDeviceInfo, sizeof (EFI_PEI_GRAPHICS_DEVICE_INFO_HOB)); + + return RETURN_SUCCESS; +} + |