mirror of
https://github.com/acidanthera/audk.git
synced 2025-07-20 20:24:28 +02:00
Clean up SEC implementation for Ovmf.
git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@10770 6f19259b-4bc3-4df7-8a09-765794883524
This commit is contained in:
mdkinney
parent
b43619d0cd
commit
42a83e80f3
@ -57,7 +57,6 @@
|
|||||||
CpuLib|MdePkg/Library/BaseCpuLib/BaseCpuLib.inf
|
CpuLib|MdePkg/Library/BaseCpuLib/BaseCpuLib.inf
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||||||
PerformanceLib|MdePkg/Library/BasePerformanceLibNull/BasePerformanceLibNull.inf
|
PerformanceLib|MdePkg/Library/BasePerformanceLibNull/BasePerformanceLibNull.inf
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||||||
PeCoffLib|MdePkg/Library/BasePeCoffLib/BasePeCoffLib.inf
|
PeCoffLib|MdePkg/Library/BasePeCoffLib/BasePeCoffLib.inf
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||||||
PeCoffExtraActionLib|MdePkg/Library/BasePeCoffExtraActionLibNull/BasePeCoffExtraActionLibNull.inf
|
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||||||
CacheMaintenanceLib|MdePkg/Library/BaseCacheMaintenanceLib/BaseCacheMaintenanceLib.inf
|
CacheMaintenanceLib|MdePkg/Library/BaseCacheMaintenanceLib/BaseCacheMaintenanceLib.inf
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||||||
UefiDecompressLib|MdePkg/Library/BaseUefiDecompressLib/BaseUefiDecompressLib.inf
|
UefiDecompressLib|MdePkg/Library/BaseUefiDecompressLib/BaseUefiDecompressLib.inf
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||||||
UefiHiiServicesLib|MdeModulePkg/Library/UefiHiiServicesLib/UefiHiiServicesLib.inf
|
UefiHiiServicesLib|MdeModulePkg/Library/UefiHiiServicesLib/UefiHiiServicesLib.inf
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@ -82,16 +81,22 @@
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FileHandleLib|ShellPkg/Library/BaseFileHandleLib/BaseFileHandleLib.inf
|
FileHandleLib|ShellPkg/Library/BaseFileHandleLib/BaseFileHandleLib.inf
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||||||
UefiCpuLib|UefiCpuPkg/Library/BaseUefiCpuLib/BaseUefiCpuLib.inf
|
UefiCpuLib|UefiCpuPkg/Library/BaseUefiCpuLib/BaseUefiCpuLib.inf
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SecurityManagementLib|MdeModulePkg/Library/DxeSecurityManagementLib/DxeSecurityManagementLib.inf
|
SecurityManagementLib|MdeModulePkg/Library/DxeSecurityManagementLib/DxeSecurityManagementLib.inf
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DebugAgentLib|MdeModulePkg/Library/DebugAgentLibNull/DebugAgentLibNull.inf
|
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NetLib|MdeModulePkg/Library/DxeNetLib/DxeNetLib.inf
|
NetLib|MdeModulePkg/Library/DxeNetLib/DxeNetLib.inf
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IpIoLib|MdeModulePkg/Library/DxeIpIoLib/DxeIpIoLib.inf
|
IpIoLib|MdeModulePkg/Library/DxeIpIoLib/DxeIpIoLib.inf
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UdpIoLib|MdeModulePkg/Library/DxeUdpIoLib/DxeUdpIoLib.inf
|
UdpIoLib|MdeModulePkg/Library/DxeUdpIoLib/DxeUdpIoLib.inf
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DpcLib|MdeModulePkg/Library/DxeDpcLib/DxeDpcLib.inf
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DpcLib|MdeModulePkg/Library/DxeDpcLib/DxeDpcLib.inf
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|
PeCoffExtraActionLib|MdePkg/Library/BasePeCoffExtraActionLibNull/BasePeCoffExtraActionLibNull.inf
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DebugAgentLib|MdeModulePkg/Library/DebugAgentLibNull/DebugAgentLibNull.inf
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ResetSystemLib|PcAtChipsetPkg/Library/ResetSystemLib/ResetSystemLib.inf
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[LibraryClasses.common.SEC]
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[LibraryClasses.common.SEC]
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DebugLib|MdePkg/Library/BaseDebugLibSerialPort/BaseDebugLibSerialPort.inf
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DebugLib|MdePkg/Library/BaseDebugLibSerialPort/BaseDebugLibSerialPort.inf
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ReportStatusCodeLib|MdeModulePkg/Library/PeiReportStatusCodeLib/PeiReportStatusCodeLib.inf
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ReportStatusCodeLib|MdeModulePkg/Library/PeiReportStatusCodeLib/PeiReportStatusCodeLib.inf
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ExtractGuidedSectionLib|MdePkg/Library/BaseExtractGuidedSectionLib/BaseExtractGuidedSectionLib.inf
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ExtractGuidedSectionLib|MdePkg/Library/BaseExtractGuidedSectionLib/BaseExtractGuidedSectionLib.inf
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HobLib|MdePkg/Library/PeiHobLib/PeiHobLib.inf
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PeiServicesLib|MdePkg/Library/PeiServicesLib/PeiServicesLib.inf
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PeiServicesTablePointerLib|MdePkg/Library/PeiServicesTablePointerLibIdt/PeiServicesTablePointerLibIdt.inf
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|
MemoryAllocationLib|MdePkg/Library/PeiMemoryAllocationLib/PeiMemoryAllocationLib.inf
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|
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[LibraryClasses.common.PEI_CORE]
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[LibraryClasses.common.PEI_CORE]
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BaseMemoryLib|MdePkg/Library/BaseMemoryLibOptPei/BaseMemoryLibOptPei.inf
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BaseMemoryLib|MdePkg/Library/BaseMemoryLibOptPei/BaseMemoryLibOptPei.inf
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@ -57,7 +57,6 @@
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CpuLib|MdePkg/Library/BaseCpuLib/BaseCpuLib.inf
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CpuLib|MdePkg/Library/BaseCpuLib/BaseCpuLib.inf
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PerformanceLib|MdePkg/Library/BasePerformanceLibNull/BasePerformanceLibNull.inf
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PerformanceLib|MdePkg/Library/BasePerformanceLibNull/BasePerformanceLibNull.inf
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PeCoffLib|MdePkg/Library/BasePeCoffLib/BasePeCoffLib.inf
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PeCoffLib|MdePkg/Library/BasePeCoffLib/BasePeCoffLib.inf
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PeCoffExtraActionLib|MdePkg/Library/BasePeCoffExtraActionLibNull/BasePeCoffExtraActionLibNull.inf
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CacheMaintenanceLib|MdePkg/Library/BaseCacheMaintenanceLib/BaseCacheMaintenanceLib.inf
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CacheMaintenanceLib|MdePkg/Library/BaseCacheMaintenanceLib/BaseCacheMaintenanceLib.inf
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UefiDecompressLib|MdePkg/Library/BaseUefiDecompressLib/BaseUefiDecompressLib.inf
|
UefiDecompressLib|MdePkg/Library/BaseUefiDecompressLib/BaseUefiDecompressLib.inf
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UefiHiiServicesLib|MdeModulePkg/Library/UefiHiiServicesLib/UefiHiiServicesLib.inf
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UefiHiiServicesLib|MdeModulePkg/Library/UefiHiiServicesLib/UefiHiiServicesLib.inf
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@ -82,16 +81,22 @@
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FileHandleLib|ShellPkg/Library/BaseFileHandleLib/BaseFileHandleLib.inf
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FileHandleLib|ShellPkg/Library/BaseFileHandleLib/BaseFileHandleLib.inf
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UefiCpuLib|UefiCpuPkg/Library/BaseUefiCpuLib/BaseUefiCpuLib.inf
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UefiCpuLib|UefiCpuPkg/Library/BaseUefiCpuLib/BaseUefiCpuLib.inf
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SecurityManagementLib|MdeModulePkg/Library/DxeSecurityManagementLib/DxeSecurityManagementLib.inf
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SecurityManagementLib|MdeModulePkg/Library/DxeSecurityManagementLib/DxeSecurityManagementLib.inf
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DebugAgentLib|MdeModulePkg/Library/DebugAgentLibNull/DebugAgentLibNull.inf
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NetLib|MdeModulePkg/Library/DxeNetLib/DxeNetLib.inf
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NetLib|MdeModulePkg/Library/DxeNetLib/DxeNetLib.inf
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IpIoLib|MdeModulePkg/Library/DxeIpIoLib/DxeIpIoLib.inf
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IpIoLib|MdeModulePkg/Library/DxeIpIoLib/DxeIpIoLib.inf
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UdpIoLib|MdeModulePkg/Library/DxeUdpIoLib/DxeUdpIoLib.inf
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UdpIoLib|MdeModulePkg/Library/DxeUdpIoLib/DxeUdpIoLib.inf
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DpcLib|MdeModulePkg/Library/DxeDpcLib/DxeDpcLib.inf
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DpcLib|MdeModulePkg/Library/DxeDpcLib/DxeDpcLib.inf
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PeCoffExtraActionLib|MdePkg/Library/BasePeCoffExtraActionLibNull/BasePeCoffExtraActionLibNull.inf
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DebugAgentLib|MdeModulePkg/Library/DebugAgentLibNull/DebugAgentLibNull.inf
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ResetSystemLib|PcAtChipsetPkg/Library/ResetSystemLib/ResetSystemLib.inf
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[LibraryClasses.common.SEC]
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[LibraryClasses.common.SEC]
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DebugLib|MdePkg/Library/BaseDebugLibSerialPort/BaseDebugLibSerialPort.inf
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DebugLib|MdePkg/Library/BaseDebugLibSerialPort/BaseDebugLibSerialPort.inf
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ReportStatusCodeLib|MdeModulePkg/Library/PeiReportStatusCodeLib/PeiReportStatusCodeLib.inf
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ReportStatusCodeLib|MdeModulePkg/Library/PeiReportStatusCodeLib/PeiReportStatusCodeLib.inf
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ExtractGuidedSectionLib|MdePkg/Library/BaseExtractGuidedSectionLib/BaseExtractGuidedSectionLib.inf
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ExtractGuidedSectionLib|MdePkg/Library/BaseExtractGuidedSectionLib/BaseExtractGuidedSectionLib.inf
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HobLib|MdePkg/Library/PeiHobLib/PeiHobLib.inf
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PeiServicesLib|MdePkg/Library/PeiServicesLib/PeiServicesLib.inf
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PeiServicesTablePointerLib|MdePkg/Library/PeiServicesTablePointerLibIdt/PeiServicesTablePointerLibIdt.inf
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MemoryAllocationLib|MdePkg/Library/PeiMemoryAllocationLib/PeiMemoryAllocationLib.inf
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[LibraryClasses.common.PEI_CORE]
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[LibraryClasses.common.PEI_CORE]
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BaseMemoryLib|MdePkg/Library/BaseMemoryLibOptPei/BaseMemoryLibOptPei.inf
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BaseMemoryLib|MdePkg/Library/BaseMemoryLibOptPei/BaseMemoryLibOptPei.inf
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@ -57,7 +57,6 @@
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CpuLib|MdePkg/Library/BaseCpuLib/BaseCpuLib.inf
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CpuLib|MdePkg/Library/BaseCpuLib/BaseCpuLib.inf
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PerformanceLib|MdePkg/Library/BasePerformanceLibNull/BasePerformanceLibNull.inf
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PerformanceLib|MdePkg/Library/BasePerformanceLibNull/BasePerformanceLibNull.inf
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PeCoffLib|MdePkg/Library/BasePeCoffLib/BasePeCoffLib.inf
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PeCoffLib|MdePkg/Library/BasePeCoffLib/BasePeCoffLib.inf
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PeCoffExtraActionLib|MdePkg/Library/BasePeCoffExtraActionLibNull/BasePeCoffExtraActionLibNull.inf
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CacheMaintenanceLib|MdePkg/Library/BaseCacheMaintenanceLib/BaseCacheMaintenanceLib.inf
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CacheMaintenanceLib|MdePkg/Library/BaseCacheMaintenanceLib/BaseCacheMaintenanceLib.inf
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UefiDecompressLib|MdePkg/Library/BaseUefiDecompressLib/BaseUefiDecompressLib.inf
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UefiDecompressLib|MdePkg/Library/BaseUefiDecompressLib/BaseUefiDecompressLib.inf
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UefiHiiServicesLib|MdeModulePkg/Library/UefiHiiServicesLib/UefiHiiServicesLib.inf
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UefiHiiServicesLib|MdeModulePkg/Library/UefiHiiServicesLib/UefiHiiServicesLib.inf
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@ -82,16 +81,22 @@
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FileHandleLib|ShellPkg/Library/BaseFileHandleLib/BaseFileHandleLib.inf
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FileHandleLib|ShellPkg/Library/BaseFileHandleLib/BaseFileHandleLib.inf
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UefiCpuLib|UefiCpuPkg/Library/BaseUefiCpuLib/BaseUefiCpuLib.inf
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UefiCpuLib|UefiCpuPkg/Library/BaseUefiCpuLib/BaseUefiCpuLib.inf
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SecurityManagementLib|MdeModulePkg/Library/DxeSecurityManagementLib/DxeSecurityManagementLib.inf
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SecurityManagementLib|MdeModulePkg/Library/DxeSecurityManagementLib/DxeSecurityManagementLib.inf
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DebugAgentLib|MdeModulePkg/Library/DebugAgentLibNull/DebugAgentLibNull.inf
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NetLib|MdeModulePkg/Library/DxeNetLib/DxeNetLib.inf
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NetLib|MdeModulePkg/Library/DxeNetLib/DxeNetLib.inf
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IpIoLib|MdeModulePkg/Library/DxeIpIoLib/DxeIpIoLib.inf
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IpIoLib|MdeModulePkg/Library/DxeIpIoLib/DxeIpIoLib.inf
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UdpIoLib|MdeModulePkg/Library/DxeUdpIoLib/DxeUdpIoLib.inf
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UdpIoLib|MdeModulePkg/Library/DxeUdpIoLib/DxeUdpIoLib.inf
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DpcLib|MdeModulePkg/Library/DxeDpcLib/DxeDpcLib.inf
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DpcLib|MdeModulePkg/Library/DxeDpcLib/DxeDpcLib.inf
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PeCoffExtraActionLib|MdePkg/Library/BasePeCoffExtraActionLibNull/BasePeCoffExtraActionLibNull.inf
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DebugAgentLib|MdeModulePkg/Library/DebugAgentLibNull/DebugAgentLibNull.inf
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ResetSystemLib|PcAtChipsetPkg/Library/ResetSystemLib/ResetSystemLib.inf
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[LibraryClasses.common.SEC]
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[LibraryClasses.common.SEC]
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DebugLib|MdePkg/Library/BaseDebugLibSerialPort/BaseDebugLibSerialPort.inf
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DebugLib|MdePkg/Library/BaseDebugLibSerialPort/BaseDebugLibSerialPort.inf
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ReportStatusCodeLib|MdeModulePkg/Library/PeiReportStatusCodeLib/PeiReportStatusCodeLib.inf
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ReportStatusCodeLib|MdeModulePkg/Library/PeiReportStatusCodeLib/PeiReportStatusCodeLib.inf
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ExtractGuidedSectionLib|MdePkg/Library/BaseExtractGuidedSectionLib/BaseExtractGuidedSectionLib.inf
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ExtractGuidedSectionLib|MdePkg/Library/BaseExtractGuidedSectionLib/BaseExtractGuidedSectionLib.inf
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HobLib|MdePkg/Library/PeiHobLib/PeiHobLib.inf
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PeiServicesLib|MdePkg/Library/PeiServicesLib/PeiServicesLib.inf
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PeiServicesTablePointerLib|MdePkg/Library/PeiServicesTablePointerLibIdt/PeiServicesTablePointerLibIdt.inf
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MemoryAllocationLib|MdePkg/Library/PeiMemoryAllocationLib/PeiMemoryAllocationLib.inf
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[LibraryClasses.common.PEI_CORE]
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[LibraryClasses.common.PEI_CORE]
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BaseMemoryLib|MdePkg/Library/BaseMemoryLibOptPei/BaseMemoryLibOptPei.inf
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BaseMemoryLib|MdePkg/Library/BaseMemoryLibOptPei/BaseMemoryLibOptPei.inf
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@ -1,384 +0,0 @@
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/** @file
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Locate the entry point for the PEI Core
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Copyright (c) 2008 - 2010, Intel Corporation. All rights reserved.<BR>
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This program and the accompanying materials
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are licensed and made available under the terms and conditions of the BSD License
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which accompanies this distribution. The full text of the license may be found at
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http://opensource.org/licenses/bsd-license.php
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THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
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WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
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**/
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#include <PiPei.h>
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#include <Library/BaseLib.h>
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#include <Library/BaseMemoryLib.h>
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#include <Library/DebugLib.h>
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#include <Library/ExtractGuidedSectionLib.h>
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#include <Library/PcdLib.h>
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#include <Library/PeCoffGetEntryPointLib.h>
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#include "SecMain.h"
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/**
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Locates the main boot firmware volume.
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@param[in,out] BootFv On input, the base of the BootFv
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On output, the decompressed main firmware volume
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@retval EFI_SUCCESS The main firmware volume was located and decompressed
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@retval EFI_NOT_FOUND The main firmware volume was not found
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**/
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EFI_STATUS
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FindMainFv (
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IN OUT EFI_FIRMWARE_VOLUME_HEADER **BootFv
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)
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{
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EFI_FIRMWARE_VOLUME_HEADER *Fv;
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UINTN Distance;
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BOOLEAN Found;
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ASSERT (((UINTN) *BootFv & EFI_PAGE_MASK) == 0);
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Found = FALSE;
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Fv = *BootFv;
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Distance = (UINTN) (*BootFv)->FvLength;
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do {
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Fv = (EFI_FIRMWARE_VOLUME_HEADER*) ((UINT8*) Fv - EFI_PAGE_SIZE);
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Distance += EFI_PAGE_SIZE;
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if (Distance > SIZE_32MB) {
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return EFI_NOT_FOUND;
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}
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if (Fv->Signature != EFI_FVH_SIGNATURE) {
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continue;
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}
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if ((UINTN) Fv->FvLength > Distance) {
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continue;
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}
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*BootFv = Fv;
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return EFI_SUCCESS;
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} while (TRUE);
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}
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/**
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Locates a section within a series of sections
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with the specified section type.
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@param[in] Sections The sections to search
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@param[in] SizeOfSections Total size of all sections
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@param[in] SectionType The section type to locate
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@param[out] FoundSection The FFS section if found
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@retval EFI_SUCCESS The file and section was found
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@retval EFI_NOT_FOUND The file and section was not found
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@retval EFI_VOLUME_CORRUPTED The firmware volume was corrupted
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**/
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EFI_STATUS
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FindFfsSectionInSections (
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IN VOID *Sections,
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IN UINTN SizeOfSections,
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IN EFI_SECTION_TYPE SectionType,
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OUT EFI_COMMON_SECTION_HEADER **FoundSection
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)
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{
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EFI_PHYSICAL_ADDRESS CurrentAddress;
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UINT32 Size;
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EFI_PHYSICAL_ADDRESS EndOfSections;
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EFI_COMMON_SECTION_HEADER *Section;
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EFI_PHYSICAL_ADDRESS EndOfSection;
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//
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// Loop through the FFS file sections within the PEI Core FFS file
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//
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EndOfSection = (EFI_PHYSICAL_ADDRESS)(UINTN) Sections;
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EndOfSections = EndOfSection + SizeOfSections;
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for (;;) {
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if (EndOfSection == EndOfSections) {
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break;
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}
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CurrentAddress = (EndOfSection + 3) & ~(3ULL);
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if (CurrentAddress >= EndOfSections) {
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return EFI_VOLUME_CORRUPTED;
|
|
||||||
}
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||||||
|
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Section = (EFI_COMMON_SECTION_HEADER*)(UINTN) CurrentAddress;
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DEBUG ((EFI_D_INFO, "Section->Type: 0x%x\n", Section->Type));
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|
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Size = SECTION_SIZE (Section);
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|
||||||
if (Size < sizeof (*Section)) {
|
|
||||||
return EFI_VOLUME_CORRUPTED;
|
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||||||
}
|
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|
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EndOfSection = CurrentAddress + Size;
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|
||||||
if (EndOfSection > EndOfSections) {
|
|
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return EFI_VOLUME_CORRUPTED;
|
|
||||||
}
|
|
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|
|
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//
|
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// Look for the requested section type
|
|
||||||
//
|
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||||||
if (Section->Type == SectionType) {
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|
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*FoundSection = Section;
|
|
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return EFI_SUCCESS;
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|
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}
|
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DEBUG ((EFI_D_INFO, "Section->Type (0x%x) != SectionType (0x%x)\n", Section->Type, SectionType));
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}
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|
|
||||||
return EFI_NOT_FOUND;
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|
||||||
}
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|
|
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|
|
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/**
|
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Locates a FFS file with the specified file type and a section
|
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within that file with the specified section type.
|
|
||||||
|
|
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@param[in] Fv The firmware volume to search
|
|
||||||
@param[in] FileType The file type to locate
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|
||||||
@param[in] SectionType The section type to locate
|
|
||||||
@param[out] FoundSection The FFS section if found
|
|
||||||
|
|
||||||
@retval EFI_SUCCESS The file and section was found
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||||||
@retval EFI_NOT_FOUND The file and section was not found
|
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||||||
@retval EFI_VOLUME_CORRUPTED The firmware volume was corrupted
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||||||
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|
||||||
**/
|
|
||||||
EFI_STATUS
|
|
||||||
EFIAPI
|
|
||||||
FindFfsFileAndSection (
|
|
||||||
IN EFI_FIRMWARE_VOLUME_HEADER *Fv,
|
|
||||||
IN EFI_FV_FILETYPE FileType,
|
|
||||||
IN EFI_SECTION_TYPE SectionType,
|
|
||||||
OUT EFI_COMMON_SECTION_HEADER **FoundSection
|
|
||||||
)
|
|
||||||
{
|
|
||||||
EFI_STATUS Status;
|
|
||||||
EFI_PHYSICAL_ADDRESS CurrentAddress;
|
|
||||||
EFI_PHYSICAL_ADDRESS EndOfFirmwareVolume;
|
|
||||||
EFI_FFS_FILE_HEADER *File;
|
|
||||||
UINT32 Size;
|
|
||||||
EFI_PHYSICAL_ADDRESS EndOfFile;
|
|
||||||
|
|
||||||
if (Fv->Signature != EFI_FVH_SIGNATURE) {
|
|
||||||
DEBUG ((EFI_D_INFO, "FV at %p does not have FV header signature\n", Fv));
|
|
||||||
return EFI_VOLUME_CORRUPTED;
|
|
||||||
}
|
|
||||||
|
|
||||||
CurrentAddress = (EFI_PHYSICAL_ADDRESS)(UINTN) Fv;
|
|
||||||
EndOfFirmwareVolume = CurrentAddress + Fv->FvLength;
|
|
||||||
|
|
||||||
//
|
|
||||||
// Loop through the FFS files in the Boot Firmware Volume
|
|
||||||
//
|
|
||||||
for (EndOfFile = CurrentAddress + Fv->HeaderLength; ; ) {
|
|
||||||
|
|
||||||
CurrentAddress = (EndOfFile + 7) & ~(7ULL);
|
|
||||||
if (CurrentAddress > EndOfFirmwareVolume) {
|
|
||||||
return EFI_VOLUME_CORRUPTED;
|
|
||||||
}
|
|
||||||
|
|
||||||
File = (EFI_FFS_FILE_HEADER*)(UINTN) CurrentAddress;
|
|
||||||
Size = *(UINT32*) File->Size & 0xffffff;
|
|
||||||
if (Size < (sizeof (*File) + sizeof (EFI_COMMON_SECTION_HEADER))) {
|
|
||||||
return EFI_VOLUME_CORRUPTED;
|
|
||||||
}
|
|
||||||
DEBUG ((EFI_D_INFO, "File->Type: 0x%x\n", File->Type));
|
|
||||||
|
|
||||||
EndOfFile = CurrentAddress + Size;
|
|
||||||
if (EndOfFile > EndOfFirmwareVolume) {
|
|
||||||
return EFI_VOLUME_CORRUPTED;
|
|
||||||
}
|
|
||||||
|
|
||||||
//
|
|
||||||
// Look for the request file type
|
|
||||||
//
|
|
||||||
if (File->Type != FileType) {
|
|
||||||
DEBUG ((EFI_D_INFO, "File->Type (0x%x) != FileType (0x%x)\n", File->Type, FileType));
|
|
||||||
continue;
|
|
||||||
}
|
|
||||||
|
|
||||||
Status = FindFfsSectionInSections (
|
|
||||||
(VOID*) (File + 1),
|
|
||||||
(UINTN) EndOfFile - (UINTN) (File + 1),
|
|
||||||
SectionType,
|
|
||||||
FoundSection
|
|
||||||
);
|
|
||||||
if (!EFI_ERROR (Status) || (Status == EFI_VOLUME_CORRUPTED)) {
|
|
||||||
return Status;
|
|
||||||
}
|
|
||||||
}
|
|
||||||
}
|
|
||||||
|
|
||||||
|
|
||||||
/**
|
|
||||||
Locates the compressed main firmware volume and decompresses it.
|
|
||||||
|
|
||||||
@param[in,out] Fv On input, the firmware volume to search
|
|
||||||
On output, the decompressed main FV
|
|
||||||
|
|
||||||
@retval EFI_SUCCESS The file and section was found
|
|
||||||
@retval EFI_NOT_FOUND The file and section was not found
|
|
||||||
@retval EFI_VOLUME_CORRUPTED The firmware volume was corrupted
|
|
||||||
|
|
||||||
**/
|
|
||||||
EFI_STATUS
|
|
||||||
EFIAPI
|
|
||||||
DecompressGuidedFv (
|
|
||||||
IN OUT EFI_FIRMWARE_VOLUME_HEADER **Fv
|
|
||||||
)
|
|
||||||
{
|
|
||||||
EFI_STATUS Status;
|
|
||||||
EFI_GUID_DEFINED_SECTION *Section;
|
|
||||||
UINT32 OutputBufferSize;
|
|
||||||
UINT32 ScratchBufferSize;
|
|
||||||
UINT16 SectionAttribute;
|
|
||||||
UINT32 AuthenticationStatus;
|
|
||||||
VOID *OutputBuffer;
|
|
||||||
VOID *ScratchBuffer;
|
|
||||||
EFI_FIRMWARE_VOLUME_IMAGE_SECTION *NewFvSection;
|
|
||||||
EFI_FIRMWARE_VOLUME_HEADER *NewFv;
|
|
||||||
|
|
||||||
NewFvSection = (EFI_FIRMWARE_VOLUME_IMAGE_SECTION*) NULL;
|
|
||||||
|
|
||||||
Status = FindFfsFileAndSection (
|
|
||||||
*Fv,
|
|
||||||
EFI_FV_FILETYPE_FIRMWARE_VOLUME_IMAGE,
|
|
||||||
EFI_SECTION_GUID_DEFINED,
|
|
||||||
(EFI_COMMON_SECTION_HEADER**) &Section
|
|
||||||
);
|
|
||||||
if (EFI_ERROR (Status)) {
|
|
||||||
DEBUG ((EFI_D_ERROR, "Unable to find GUID defined section\n"));
|
|
||||||
return Status;
|
|
||||||
}
|
|
||||||
|
|
||||||
Status = ExtractGuidedSectionGetInfo (
|
|
||||||
Section,
|
|
||||||
&OutputBufferSize,
|
|
||||||
&ScratchBufferSize,
|
|
||||||
&SectionAttribute
|
|
||||||
);
|
|
||||||
if (EFI_ERROR (Status)) {
|
|
||||||
DEBUG ((EFI_D_ERROR, "Unable to GetInfo for GUIDed section\n"));
|
|
||||||
return Status;
|
|
||||||
}
|
|
||||||
|
|
||||||
//PcdGet32 (PcdOvmfMemFvBase), PcdGet32 (PcdOvmfMemFvSize)
|
|
||||||
OutputBuffer = (VOID*) ((UINT8*)(UINTN) PcdGet32 (PcdOvmfMemFvBase) + SIZE_1MB);
|
|
||||||
ScratchBuffer = ALIGN_POINTER ((UINT8*) OutputBuffer + OutputBufferSize, SIZE_1MB);
|
|
||||||
Status = ExtractGuidedSectionDecode (
|
|
||||||
Section,
|
|
||||||
&OutputBuffer,
|
|
||||||
ScratchBuffer,
|
|
||||||
&AuthenticationStatus
|
|
||||||
);
|
|
||||||
if (EFI_ERROR (Status)) {
|
|
||||||
DEBUG ((EFI_D_ERROR, "Error during GUID section decode\n"));
|
|
||||||
return Status;
|
|
||||||
}
|
|
||||||
|
|
||||||
Status = FindFfsSectionInSections (
|
|
||||||
OutputBuffer,
|
|
||||||
OutputBufferSize,
|
|
||||||
EFI_SECTION_FIRMWARE_VOLUME_IMAGE,
|
|
||||||
(EFI_COMMON_SECTION_HEADER**) &NewFvSection
|
|
||||||
);
|
|
||||||
if (EFI_ERROR (Status)) {
|
|
||||||
DEBUG ((EFI_D_ERROR, "Unable to find FV image in extracted data\n"));
|
|
||||||
return Status;
|
|
||||||
}
|
|
||||||
|
|
||||||
NewFv = (EFI_FIRMWARE_VOLUME_HEADER*)(UINTN) PcdGet32 (PcdOvmfMemFvBase);
|
|
||||||
CopyMem (NewFv, (VOID*) (NewFvSection + 1), PcdGet32 (PcdOvmfMemFvSize));
|
|
||||||
|
|
||||||
if (NewFv->Signature != EFI_FVH_SIGNATURE) {
|
|
||||||
DEBUG ((EFI_D_ERROR, "Extracted FV at %p does not have FV header signature\n", NewFv));
|
|
||||||
CpuDeadLoop ();
|
|
||||||
return EFI_VOLUME_CORRUPTED;
|
|
||||||
}
|
|
||||||
|
|
||||||
*Fv = NewFv;
|
|
||||||
return EFI_SUCCESS;
|
|
||||||
}
|
|
||||||
|
|
||||||
|
|
||||||
/**
|
|
||||||
Locates the PEI Core entry point address
|
|
||||||
|
|
||||||
@param[in] Fv The firmware volume to search
|
|
||||||
@param[out] PeiCoreEntryPoint The entry point of the PEI Core image
|
|
||||||
|
|
||||||
@retval EFI_SUCCESS The file and section was found
|
|
||||||
@retval EFI_NOT_FOUND The file and section was not found
|
|
||||||
@retval EFI_VOLUME_CORRUPTED The firmware volume was corrupted
|
|
||||||
|
|
||||||
**/
|
|
||||||
EFI_STATUS
|
|
||||||
EFIAPI
|
|
||||||
FindPeiCoreEntryPointInFv (
|
|
||||||
IN EFI_FIRMWARE_VOLUME_HEADER *Fv,
|
|
||||||
OUT VOID **PeiCoreEntryPoint
|
|
||||||
)
|
|
||||||
{
|
|
||||||
EFI_STATUS Status;
|
|
||||||
EFI_COMMON_SECTION_HEADER *Section;
|
|
||||||
|
|
||||||
Status = FindFfsFileAndSection (
|
|
||||||
Fv,
|
|
||||||
EFI_FV_FILETYPE_PEI_CORE,
|
|
||||||
EFI_SECTION_PE32,
|
|
||||||
&Section
|
|
||||||
);
|
|
||||||
if (EFI_ERROR (Status)) {
|
|
||||||
Status = FindFfsFileAndSection (
|
|
||||||
Fv,
|
|
||||||
EFI_FV_FILETYPE_PEI_CORE,
|
|
||||||
EFI_SECTION_TE,
|
|
||||||
&Section
|
|
||||||
);
|
|
||||||
if (EFI_ERROR (Status)) {
|
|
||||||
DEBUG ((EFI_D_ERROR, "Unable to find PEI Core image\n"));
|
|
||||||
return Status;
|
|
||||||
}
|
|
||||||
}
|
|
||||||
|
|
||||||
return PeCoffLoaderGetEntryPoint ((VOID*) (Section + 1), PeiCoreEntryPoint);
|
|
||||||
}
|
|
||||||
|
|
||||||
|
|
||||||
/**
|
|
||||||
Locates the PEI Core entry point address
|
|
||||||
|
|
||||||
@param[in,out] Fv The firmware volume to search
|
|
||||||
@param[out] PeiCoreEntryPoint The entry point of the PEI Core image
|
|
||||||
|
|
||||||
@retval EFI_SUCCESS The file and section was found
|
|
||||||
@retval EFI_NOT_FOUND The file and section was not found
|
|
||||||
@retval EFI_VOLUME_CORRUPTED The firmware volume was corrupted
|
|
||||||
|
|
||||||
**/
|
|
||||||
VOID
|
|
||||||
EFIAPI
|
|
||||||
FindPeiCoreEntryPoint (
|
|
||||||
IN OUT EFI_FIRMWARE_VOLUME_HEADER **BootFv,
|
|
||||||
OUT VOID **PeiCoreEntryPoint
|
|
||||||
)
|
|
||||||
{
|
|
||||||
*PeiCoreEntryPoint = NULL;
|
|
||||||
|
|
||||||
FindMainFv (BootFv);
|
|
||||||
|
|
||||||
DecompressGuidedFv (BootFv);
|
|
||||||
|
|
||||||
FindPeiCoreEntryPointInFv (*BootFv, PeiCoreEntryPoint);
|
|
||||||
}
|
|
||||||
|
|
||||||
@ -17,7 +17,7 @@
|
|||||||
#------------------------------------------------------------------------------
|
#------------------------------------------------------------------------------
|
||||||
|
|
||||||
|
|
||||||
#include "SecMain.h"
|
#include <Base.h>
|
||||||
|
|
||||||
#EXTERN ASM_PFX(SecCoreStartupWithStack)
|
#EXTERN ASM_PFX(SecCoreStartupWithStack)
|
||||||
|
|
||||||
@ -39,7 +39,7 @@ ASM_PFX(_ModuleEntryPoint):
|
|||||||
# Load temporary stack top at very low memory. The C code
|
# Load temporary stack top at very low memory. The C code
|
||||||
# can reload to a better address.
|
# can reload to a better address.
|
||||||
#
|
#
|
||||||
movl $INITIAL_TOP_OF_STACK, %eax
|
movl $BASE_512KB, %eax
|
||||||
movl %eax, %esp
|
movl %eax, %esp
|
||||||
nop
|
nop
|
||||||
|
|
||||||
|
|||||||
@ -16,7 +16,7 @@
|
|||||||
;*
|
;*
|
||||||
;------------------------------------------------------------------------------
|
;------------------------------------------------------------------------------
|
||||||
|
|
||||||
#include "SecMain.h"
|
#include <Base.h>
|
||||||
|
|
||||||
.686
|
.686
|
||||||
.model flat,C
|
.model flat,C
|
||||||
@ -41,7 +41,7 @@ _ModuleEntryPoint PROC PUBLIC
|
|||||||
; Load temporary stack top at very low memory. The C code
|
; Load temporary stack top at very low memory. The C code
|
||||||
; can reload to a better address.
|
; can reload to a better address.
|
||||||
;
|
;
|
||||||
mov eax, INITIAL_TOP_OF_STACK
|
mov eax, BASE_512KB
|
||||||
mov esp, eax
|
mov esp, eax
|
||||||
nop
|
nop
|
||||||
|
|
||||||
|
|||||||
@ -1,93 +0,0 @@
|
|||||||
#------------------------------------------------------------------------------
|
|
||||||
#
|
|
||||||
# Copyright (c) 2008, Intel Corporation. All rights reserved.<BR>
|
|
||||||
# This program and the accompanying materials
|
|
||||||
# are licensed and made available under the terms and conditions of the BSD License
|
|
||||||
# which accompanies this distribution. The full text of the license may be found at
|
|
||||||
# http://opensource.org/licenses/bsd-license.php
|
|
||||||
#
|
|
||||||
# THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
|
|
||||||
# WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
|
|
||||||
#
|
|
||||||
# Module Name:
|
|
||||||
#
|
|
||||||
# Stack.asm
|
|
||||||
#
|
|
||||||
# Abstract:
|
|
||||||
#
|
|
||||||
# Switch the stack from temporary memory to permenent memory.
|
|
||||||
#
|
|
||||||
#------------------------------------------------------------------------------
|
|
||||||
|
|
||||||
#------------------------------------------------------------------------------
|
|
||||||
# VOID
|
|
||||||
# EFIAPI
|
|
||||||
# SecSwitchStack (
|
|
||||||
# UINT32 TemporaryMemoryBase,
|
|
||||||
# UINT32 PermenentMemoryBase
|
|
||||||
# );
|
|
||||||
#------------------------------------------------------------------------------
|
|
||||||
|
|
||||||
#include <ProcessorBind.h>
|
|
||||||
|
|
||||||
ASM_GLOBAL ASM_PFX(SecSwitchStack)
|
|
||||||
ASM_PFX(SecSwitchStack):
|
|
||||||
#
|
|
||||||
# Save three register: eax, ebx, ecx
|
|
||||||
#
|
|
||||||
push %eax
|
|
||||||
push %ebx
|
|
||||||
push %ecx
|
|
||||||
push %edx
|
|
||||||
|
|
||||||
#
|
|
||||||
# !!CAUTION!! this function address's is pushed into stack after
|
|
||||||
# migration of whole temporary memory, so need save it to permenent
|
|
||||||
# memory at first!
|
|
||||||
#
|
|
||||||
|
|
||||||
movl 20(%esp), %ebx # Save the first parameter
|
|
||||||
movl 24(%esp), %ecx # Save the second parameter
|
|
||||||
|
|
||||||
#
|
|
||||||
# Save this function's return address into permenent memory at first.
|
|
||||||
# Then, Fixup the esp point to permenent memory
|
|
||||||
#
|
|
||||||
|
|
||||||
movl %esp, %eax
|
|
||||||
subl %ebx, %eax
|
|
||||||
addl %ecx, %eax
|
|
||||||
movl (%esp), %edx # copy pushed register's value to permenent memory
|
|
||||||
movl %edx, (%eax)
|
|
||||||
movl 4(%esp), %edx
|
|
||||||
movl %edx, 4(%eax)
|
|
||||||
movl 8(%esp), %edx
|
|
||||||
movl %edx, 8(%eax)
|
|
||||||
movl 12(%esp), %edx
|
|
||||||
movl %edx, 12(%eax)
|
|
||||||
movl 16(%esp), %edx
|
|
||||||
movl %edx, 16(%eax)
|
|
||||||
movl %eax, %esp # From now, esp is pointed to permenent memory
|
|
||||||
|
|
||||||
#
|
|
||||||
# Fixup the ebp point to permenent memory
|
|
||||||
#
|
|
||||||
movl %ebp, %eax
|
|
||||||
subl %ebx, %eax
|
|
||||||
addl %ecx, %eax
|
|
||||||
movl %eax, %ebp # From now, ebp is pointed to permenent memory
|
|
||||||
|
|
||||||
#
|
|
||||||
# Fixup callee's ebp point for PeiDispatch
|
|
||||||
#
|
|
||||||
movl (%ebp), %eax
|
|
||||||
subl %ebx, %eax
|
|
||||||
addl %ecx, %eax
|
|
||||||
movl %eax, (%ebp) # From now, Temporary's PPI caller's stack is in permenent memory
|
|
||||||
|
|
||||||
pop %edx
|
|
||||||
pop %ecx
|
|
||||||
pop %ebx
|
|
||||||
pop %eax
|
|
||||||
ret
|
|
||||||
|
|
||||||
@ -1,136 +0,0 @@
|
|||||||
/** @file
|
|
||||||
Switch Stack functions.
|
|
||||||
|
|
||||||
Copyright (c) 2006 - 2007, Intel Corporation. All rights reserved.<BR>
|
|
||||||
This program and the accompanying materials
|
|
||||||
are licensed and made available under the terms and conditions of the BSD License
|
|
||||||
which accompanies this distribution. The full text of the license may be found at
|
|
||||||
http://opensource.org/licenses/bsd-license.php
|
|
||||||
|
|
||||||
THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
|
|
||||||
WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
|
|
||||||
|
|
||||||
**/
|
|
||||||
|
|
||||||
//
|
|
||||||
// Include common header file for this module.
|
|
||||||
//
|
|
||||||
|
|
||||||
|
|
||||||
#include <Library/BaseLib.h>
|
|
||||||
#include <Library/BaseMemoryLib.h>
|
|
||||||
#include <Library/DebugLib.h>
|
|
||||||
#include <Library/PeiServicesLib.h>
|
|
||||||
|
|
||||||
/**
|
|
||||||
Transfers control to a function starting with a new stack.
|
|
||||||
|
|
||||||
Transfers control to the function specified by EntryPoint using the new stack
|
|
||||||
specified by NewStack and passing in the parameters specified by Context1 and
|
|
||||||
Context2. Context1 and Context2 are optional and may be NULL. The function
|
|
||||||
EntryPoint must never return.
|
|
||||||
|
|
||||||
If EntryPoint is NULL, then ASSERT().
|
|
||||||
If NewStack is NULL, then ASSERT().
|
|
||||||
|
|
||||||
@param EntryPoint A pointer to function to call with the new stack.
|
|
||||||
@param Context1 A pointer to the context to pass into the EntryPoint
|
|
||||||
function.
|
|
||||||
@param Context2 A pointer to the context to pass into the EntryPoint
|
|
||||||
function.
|
|
||||||
@param NewStack A pointer to the new stack to use for the EntryPoint
|
|
||||||
function.
|
|
||||||
@param NewBsp A pointer to the new BSP for the EntryPoint on IPF. It's
|
|
||||||
Reserved on other architectures.
|
|
||||||
|
|
||||||
**/
|
|
||||||
VOID
|
|
||||||
EFIAPI
|
|
||||||
PeiSwitchStacks (
|
|
||||||
IN SWITCH_STACK_ENTRY_POINT EntryPoint,
|
|
||||||
IN VOID *Context1, OPTIONAL
|
|
||||||
IN VOID *Context2, OPTIONAL
|
|
||||||
IN VOID *Context3, OPTIONAL
|
|
||||||
IN VOID *OldTopOfStack,
|
|
||||||
IN VOID *NewStack
|
|
||||||
)
|
|
||||||
{
|
|
||||||
BASE_LIBRARY_JUMP_BUFFER JumpBuffer;
|
|
||||||
|
|
||||||
ASSERT (EntryPoint != NULL);
|
|
||||||
ASSERT (NewStack != NULL);
|
|
||||||
|
|
||||||
//
|
|
||||||
// Stack should be aligned with CPU_STACK_ALIGNMENT
|
|
||||||
//
|
|
||||||
ASSERT (((UINTN)NewStack & (CPU_STACK_ALIGNMENT - 1)) == 0);
|
|
||||||
|
|
||||||
JumpBuffer.Eip = (UINTN)EntryPoint;
|
|
||||||
JumpBuffer.Esp = (UINTN)NewStack - sizeof (VOID*);
|
|
||||||
JumpBuffer.Esp -= sizeof (Context1) + sizeof (Context2) + sizeof(Context3);
|
|
||||||
((VOID**)JumpBuffer.Esp)[1] = Context1;
|
|
||||||
((VOID**)JumpBuffer.Esp)[2] = Context2;
|
|
||||||
((VOID**)JumpBuffer.Esp)[3] = Context3;
|
|
||||||
|
|
||||||
LongJump (&JumpBuffer, (UINTN)-1);
|
|
||||||
|
|
||||||
//
|
|
||||||
// InternalSwitchStack () will never return
|
|
||||||
//
|
|
||||||
ASSERT (FALSE);
|
|
||||||
}
|
|
||||||
|
|
||||||
/**
|
|
||||||
Transfers control to a function starting with a new stack.
|
|
||||||
|
|
||||||
Transfers control to the function specified by EntryPoint using the new stack
|
|
||||||
specified by NewStack and passing in the parameters specified by Context1 and
|
|
||||||
Context2. Context1 and Context2 are optional and may be NULL. The function
|
|
||||||
EntryPoint must never return.
|
|
||||||
|
|
||||||
If EntryPoint is NULL, then ASSERT().
|
|
||||||
If NewStack is NULL, then ASSERT().
|
|
||||||
|
|
||||||
@param EntryPoint A pointer to function to call with the new stack.
|
|
||||||
@param Context1 A pointer to the context to pass into the EntryPoint
|
|
||||||
function.
|
|
||||||
@param Context2 A pointer to the context to pass into the EntryPoint
|
|
||||||
function.
|
|
||||||
@param NewStack A pointer to the new stack to use for the EntryPoint
|
|
||||||
function.
|
|
||||||
@param NewBsp A pointer to the new BSP for the EntryPoint on IPF. It's
|
|
||||||
Reserved on other architectures.
|
|
||||||
|
|
||||||
**/
|
|
||||||
VOID
|
|
||||||
EFIAPI
|
|
||||||
SecSwitchStack (
|
|
||||||
IN UINTN TemporaryMemoryBase,
|
|
||||||
IN UINTN PermanentMemoryBase,
|
|
||||||
IN UINTN CopySize
|
|
||||||
)
|
|
||||||
{
|
|
||||||
BASE_LIBRARY_JUMP_BUFFER JumpBuffer;
|
|
||||||
UINTN SetJumpFlag;
|
|
||||||
|
|
||||||
ASSERT ((VOID*)TemporaryMemoryBase != NULL);
|
|
||||||
ASSERT ((VOID*)PermanentMemoryBase != NULL);
|
|
||||||
|
|
||||||
SetJumpFlag = SetJump (&JumpBuffer);
|
|
||||||
//
|
|
||||||
// The initial call to SetJump() must always return 0.
|
|
||||||
// Subsequent calls to LongJump() may cause a non-zero value to be returned by SetJump().
|
|
||||||
//
|
|
||||||
if (SetJumpFlag == 0) {
|
|
||||||
DEBUG ((EFI_D_ERROR, "SecSwitchStack+%d: Esp: 0x%xL\n", __LINE__, JumpBuffer.Esp));
|
|
||||||
JumpBuffer.Esp =
|
|
||||||
(INTN)JumpBuffer.Esp -
|
|
||||||
(INTN)TemporaryMemoryBase +
|
|
||||||
(INTN)PermanentMemoryBase;
|
|
||||||
MemoryFence ();
|
|
||||||
CopyMem((VOID*)PermanentMemoryBase, (VOID*)TemporaryMemoryBase, CopySize);
|
|
||||||
LongJump (&JumpBuffer, (UINTN)-1);
|
|
||||||
}
|
|
||||||
|
|
||||||
}
|
|
||||||
|
|
||||||
@ -14,16 +14,35 @@
|
|||||||
**/
|
**/
|
||||||
|
|
||||||
#include <PiPei.h>
|
#include <PiPei.h>
|
||||||
|
|
||||||
|
#include <Library/PeimEntryPoint.h>
|
||||||
#include <Library/BaseLib.h>
|
#include <Library/BaseLib.h>
|
||||||
#include <Library/DebugLib.h>
|
#include <Library/DebugLib.h>
|
||||||
#include <Library/BaseMemoryLib.h>
|
#include <Library/BaseMemoryLib.h>
|
||||||
#include <Library/PeimEntryPoint.h>
|
|
||||||
#include <Library/PeiServicesLib.h>
|
#include <Library/PeiServicesLib.h>
|
||||||
#include <Ppi/TemporaryRamSupport.h>
|
|
||||||
#include <Library/PcdLib.h>
|
#include <Library/PcdLib.h>
|
||||||
#include <Library/UefiCpuLib.h>
|
#include <Library/UefiCpuLib.h>
|
||||||
|
#include <Library/DebugAgentLib.h>
|
||||||
|
#include <Library/IoLib.h>
|
||||||
|
#include <Library/PeCoffLib.h>
|
||||||
|
#include <Library/PeCoffGetEntryPointLib.h>
|
||||||
|
#include <Library/PeCoffExtraActionLib.h>
|
||||||
|
#include <Library/ExtractGuidedSectionLib.h>
|
||||||
|
|
||||||
#include "SecMain.h"
|
#include <Ppi/TemporaryRamSupport.h>
|
||||||
|
|
||||||
|
#define SEC_IDT_ENTRY_COUNT 34
|
||||||
|
|
||||||
|
typedef struct _SEC_IDT_TABLE {
|
||||||
|
EFI_PEI_SERVICES *PeiService;
|
||||||
|
IA32_IDT_GATE_DESCRIPTOR IdtTable[SEC_IDT_ENTRY_COUNT];
|
||||||
|
} SEC_IDT_TABLE;
|
||||||
|
|
||||||
|
VOID
|
||||||
|
EFIAPI
|
||||||
|
SecStartupPhase2 (
|
||||||
|
IN VOID *Context
|
||||||
|
);
|
||||||
|
|
||||||
EFI_STATUS
|
EFI_STATUS
|
||||||
EFIAPI
|
EFIAPI
|
||||||
@ -34,29 +53,529 @@ TemporaryRamMigration (
|
|||||||
IN UINTN CopySize
|
IN UINTN CopySize
|
||||||
);
|
);
|
||||||
|
|
||||||
STATIC TEMPORARY_RAM_SUPPORT_PPI mTempRamSupportPpi = {
|
//
|
||||||
(TEMPORARY_RAM_MIGRATION) TemporaryRamMigration
|
//
|
||||||
|
//
|
||||||
|
TEMPORARY_RAM_SUPPORT_PPI mTemporaryRamSupportPpi = {
|
||||||
|
TemporaryRamMigration
|
||||||
};
|
};
|
||||||
|
|
||||||
STATIC EFI_PEI_PPI_DESCRIPTOR mPrivateDispatchTable[] = {
|
EFI_PEI_PPI_DESCRIPTOR mPrivateDispatchTable[] = {
|
||||||
{
|
{
|
||||||
(EFI_PEI_PPI_DESCRIPTOR_PPI | EFI_PEI_PPI_DESCRIPTOR_TERMINATE_LIST),
|
(EFI_PEI_PPI_DESCRIPTOR_PPI | EFI_PEI_PPI_DESCRIPTOR_TERMINATE_LIST),
|
||||||
&gEfiTemporaryRamSupportPpiGuid,
|
&gEfiTemporaryRamSupportPpiGuid,
|
||||||
&mTempRamSupportPpi
|
&mTemporaryRamSupportPpi
|
||||||
},
|
},
|
||||||
};
|
};
|
||||||
|
|
||||||
|
//
|
||||||
|
// Template of an IDT entry pointing to 10:FFFFFFE4h.
|
||||||
|
//
|
||||||
|
IA32_IDT_GATE_DESCRIPTOR mIdtEntryTemplate = {
|
||||||
|
{ // Bits
|
||||||
|
0xffe4, // OffsetLow
|
||||||
|
0x10, // Selector
|
||||||
|
0x0, // Reserved_0
|
||||||
|
IA32_IDT_GATE_TYPE_INTERRUPT_32, // GateType
|
||||||
|
0xffff // OffsetHigh
|
||||||
|
}
|
||||||
|
};
|
||||||
|
|
||||||
VOID
|
/**
|
||||||
InitializeIdtPtr (
|
Locates the main boot firmware volume.
|
||||||
IN VOID* IdtPtr
|
|
||||||
|
@param[in,out] BootFv On input, the base of the BootFv
|
||||||
|
On output, the decompressed main firmware volume
|
||||||
|
|
||||||
|
@retval EFI_SUCCESS The main firmware volume was located and decompressed
|
||||||
|
@retval EFI_NOT_FOUND The main firmware volume was not found
|
||||||
|
|
||||||
|
**/
|
||||||
|
EFI_STATUS
|
||||||
|
FindMainFv (
|
||||||
|
IN OUT EFI_FIRMWARE_VOLUME_HEADER **BootFv
|
||||||
)
|
)
|
||||||
{
|
{
|
||||||
IA32_DESCRIPTOR IdtDescriptor;
|
EFI_FIRMWARE_VOLUME_HEADER *Fv;
|
||||||
|
UINTN Distance;
|
||||||
|
BOOLEAN Found;
|
||||||
|
|
||||||
IdtDescriptor.Base = (UINTN)IdtPtr;
|
ASSERT (((UINTN) *BootFv & EFI_PAGE_MASK) == 0);
|
||||||
IdtDescriptor.Limit = (UINT16) 0;
|
|
||||||
AsmWriteIdtr (&IdtDescriptor);
|
Found = FALSE;
|
||||||
|
Fv = *BootFv;
|
||||||
|
Distance = (UINTN) (*BootFv)->FvLength;
|
||||||
|
do {
|
||||||
|
Fv = (EFI_FIRMWARE_VOLUME_HEADER*) ((UINT8*) Fv - EFI_PAGE_SIZE);
|
||||||
|
Distance += EFI_PAGE_SIZE;
|
||||||
|
if (Distance > SIZE_32MB) {
|
||||||
|
return EFI_NOT_FOUND;
|
||||||
|
}
|
||||||
|
|
||||||
|
if (Fv->Signature != EFI_FVH_SIGNATURE) {
|
||||||
|
continue;
|
||||||
|
}
|
||||||
|
|
||||||
|
if ((UINTN) Fv->FvLength > Distance) {
|
||||||
|
continue;
|
||||||
|
}
|
||||||
|
|
||||||
|
*BootFv = Fv;
|
||||||
|
return EFI_SUCCESS;
|
||||||
|
|
||||||
|
} while (TRUE);
|
||||||
|
}
|
||||||
|
|
||||||
|
/**
|
||||||
|
Locates a section within a series of sections
|
||||||
|
with the specified section type.
|
||||||
|
|
||||||
|
@param[in] Sections The sections to search
|
||||||
|
@param[in] SizeOfSections Total size of all sections
|
||||||
|
@param[in] SectionType The section type to locate
|
||||||
|
@param[out] FoundSection The FFS section if found
|
||||||
|
|
||||||
|
@retval EFI_SUCCESS The file and section was found
|
||||||
|
@retval EFI_NOT_FOUND The file and section was not found
|
||||||
|
@retval EFI_VOLUME_CORRUPTED The firmware volume was corrupted
|
||||||
|
|
||||||
|
**/
|
||||||
|
EFI_STATUS
|
||||||
|
FindFfsSectionInSections (
|
||||||
|
IN VOID *Sections,
|
||||||
|
IN UINTN SizeOfSections,
|
||||||
|
IN EFI_SECTION_TYPE SectionType,
|
||||||
|
OUT EFI_COMMON_SECTION_HEADER **FoundSection
|
||||||
|
)
|
||||||
|
{
|
||||||
|
EFI_PHYSICAL_ADDRESS CurrentAddress;
|
||||||
|
UINT32 Size;
|
||||||
|
EFI_PHYSICAL_ADDRESS EndOfSections;
|
||||||
|
EFI_COMMON_SECTION_HEADER *Section;
|
||||||
|
EFI_PHYSICAL_ADDRESS EndOfSection;
|
||||||
|
|
||||||
|
//
|
||||||
|
// Loop through the FFS file sections within the PEI Core FFS file
|
||||||
|
//
|
||||||
|
EndOfSection = (EFI_PHYSICAL_ADDRESS)(UINTN) Sections;
|
||||||
|
EndOfSections = EndOfSection + SizeOfSections;
|
||||||
|
for (;;) {
|
||||||
|
if (EndOfSection == EndOfSections) {
|
||||||
|
break;
|
||||||
|
}
|
||||||
|
CurrentAddress = (EndOfSection + 3) & ~(3ULL);
|
||||||
|
if (CurrentAddress >= EndOfSections) {
|
||||||
|
return EFI_VOLUME_CORRUPTED;
|
||||||
|
}
|
||||||
|
|
||||||
|
Section = (EFI_COMMON_SECTION_HEADER*)(UINTN) CurrentAddress;
|
||||||
|
DEBUG ((EFI_D_INFO, "Section->Type: 0x%x\n", Section->Type));
|
||||||
|
|
||||||
|
Size = SECTION_SIZE (Section);
|
||||||
|
if (Size < sizeof (*Section)) {
|
||||||
|
return EFI_VOLUME_CORRUPTED;
|
||||||
|
}
|
||||||
|
|
||||||
|
EndOfSection = CurrentAddress + Size;
|
||||||
|
if (EndOfSection > EndOfSections) {
|
||||||
|
return EFI_VOLUME_CORRUPTED;
|
||||||
|
}
|
||||||
|
|
||||||
|
//
|
||||||
|
// Look for the requested section type
|
||||||
|
//
|
||||||
|
if (Section->Type == SectionType) {
|
||||||
|
*FoundSection = Section;
|
||||||
|
return EFI_SUCCESS;
|
||||||
|
}
|
||||||
|
DEBUG ((EFI_D_INFO, "Section->Type (0x%x) != SectionType (0x%x)\n", Section->Type, SectionType));
|
||||||
|
}
|
||||||
|
|
||||||
|
return EFI_NOT_FOUND;
|
||||||
|
}
|
||||||
|
|
||||||
|
/**
|
||||||
|
Locates a FFS file with the specified file type and a section
|
||||||
|
within that file with the specified section type.
|
||||||
|
|
||||||
|
@param[in] Fv The firmware volume to search
|
||||||
|
@param[in] FileType The file type to locate
|
||||||
|
@param[in] SectionType The section type to locate
|
||||||
|
@param[out] FoundSection The FFS section if found
|
||||||
|
|
||||||
|
@retval EFI_SUCCESS The file and section was found
|
||||||
|
@retval EFI_NOT_FOUND The file and section was not found
|
||||||
|
@retval EFI_VOLUME_CORRUPTED The firmware volume was corrupted
|
||||||
|
|
||||||
|
**/
|
||||||
|
EFI_STATUS
|
||||||
|
EFIAPI
|
||||||
|
FindFfsFileAndSection (
|
||||||
|
IN EFI_FIRMWARE_VOLUME_HEADER *Fv,
|
||||||
|
IN EFI_FV_FILETYPE FileType,
|
||||||
|
IN EFI_SECTION_TYPE SectionType,
|
||||||
|
OUT EFI_COMMON_SECTION_HEADER **FoundSection
|
||||||
|
)
|
||||||
|
{
|
||||||
|
EFI_STATUS Status;
|
||||||
|
EFI_PHYSICAL_ADDRESS CurrentAddress;
|
||||||
|
EFI_PHYSICAL_ADDRESS EndOfFirmwareVolume;
|
||||||
|
EFI_FFS_FILE_HEADER *File;
|
||||||
|
UINT32 Size;
|
||||||
|
EFI_PHYSICAL_ADDRESS EndOfFile;
|
||||||
|
|
||||||
|
if (Fv->Signature != EFI_FVH_SIGNATURE) {
|
||||||
|
DEBUG ((EFI_D_INFO, "FV at %p does not have FV header signature\n", Fv));
|
||||||
|
return EFI_VOLUME_CORRUPTED;
|
||||||
|
}
|
||||||
|
|
||||||
|
CurrentAddress = (EFI_PHYSICAL_ADDRESS)(UINTN) Fv;
|
||||||
|
EndOfFirmwareVolume = CurrentAddress + Fv->FvLength;
|
||||||
|
|
||||||
|
//
|
||||||
|
// Loop through the FFS files in the Boot Firmware Volume
|
||||||
|
//
|
||||||
|
for (EndOfFile = CurrentAddress + Fv->HeaderLength; ; ) {
|
||||||
|
|
||||||
|
CurrentAddress = (EndOfFile + 7) & ~(7ULL);
|
||||||
|
if (CurrentAddress > EndOfFirmwareVolume) {
|
||||||
|
return EFI_VOLUME_CORRUPTED;
|
||||||
|
}
|
||||||
|
|
||||||
|
File = (EFI_FFS_FILE_HEADER*)(UINTN) CurrentAddress;
|
||||||
|
Size = *(UINT32*) File->Size & 0xffffff;
|
||||||
|
if (Size < (sizeof (*File) + sizeof (EFI_COMMON_SECTION_HEADER))) {
|
||||||
|
return EFI_VOLUME_CORRUPTED;
|
||||||
|
}
|
||||||
|
DEBUG ((EFI_D_INFO, "File->Type: 0x%x\n", File->Type));
|
||||||
|
|
||||||
|
EndOfFile = CurrentAddress + Size;
|
||||||
|
if (EndOfFile > EndOfFirmwareVolume) {
|
||||||
|
return EFI_VOLUME_CORRUPTED;
|
||||||
|
}
|
||||||
|
|
||||||
|
//
|
||||||
|
// Look for the request file type
|
||||||
|
//
|
||||||
|
if (File->Type != FileType) {
|
||||||
|
DEBUG ((EFI_D_INFO, "File->Type (0x%x) != FileType (0x%x)\n", File->Type, FileType));
|
||||||
|
continue;
|
||||||
|
}
|
||||||
|
|
||||||
|
Status = FindFfsSectionInSections (
|
||||||
|
(VOID*) (File + 1),
|
||||||
|
(UINTN) EndOfFile - (UINTN) (File + 1),
|
||||||
|
SectionType,
|
||||||
|
FoundSection
|
||||||
|
);
|
||||||
|
if (!EFI_ERROR (Status) || (Status == EFI_VOLUME_CORRUPTED)) {
|
||||||
|
return Status;
|
||||||
|
}
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
/**
|
||||||
|
Locates the compressed main firmware volume and decompresses it.
|
||||||
|
|
||||||
|
@param[in,out] Fv On input, the firmware volume to search
|
||||||
|
On output, the decompressed main FV
|
||||||
|
|
||||||
|
@retval EFI_SUCCESS The file and section was found
|
||||||
|
@retval EFI_NOT_FOUND The file and section was not found
|
||||||
|
@retval EFI_VOLUME_CORRUPTED The firmware volume was corrupted
|
||||||
|
|
||||||
|
**/
|
||||||
|
EFI_STATUS
|
||||||
|
EFIAPI
|
||||||
|
DecompressGuidedFv (
|
||||||
|
IN OUT EFI_FIRMWARE_VOLUME_HEADER **Fv
|
||||||
|
)
|
||||||
|
{
|
||||||
|
EFI_STATUS Status;
|
||||||
|
EFI_GUID_DEFINED_SECTION *Section;
|
||||||
|
UINT32 OutputBufferSize;
|
||||||
|
UINT32 ScratchBufferSize;
|
||||||
|
UINT16 SectionAttribute;
|
||||||
|
UINT32 AuthenticationStatus;
|
||||||
|
VOID *OutputBuffer;
|
||||||
|
VOID *ScratchBuffer;
|
||||||
|
EFI_FIRMWARE_VOLUME_IMAGE_SECTION *NewFvSection;
|
||||||
|
EFI_FIRMWARE_VOLUME_HEADER *NewFv;
|
||||||
|
|
||||||
|
NewFvSection = (EFI_FIRMWARE_VOLUME_IMAGE_SECTION*) NULL;
|
||||||
|
|
||||||
|
Status = FindFfsFileAndSection (
|
||||||
|
*Fv,
|
||||||
|
EFI_FV_FILETYPE_FIRMWARE_VOLUME_IMAGE,
|
||||||
|
EFI_SECTION_GUID_DEFINED,
|
||||||
|
(EFI_COMMON_SECTION_HEADER**) &Section
|
||||||
|
);
|
||||||
|
if (EFI_ERROR (Status)) {
|
||||||
|
DEBUG ((EFI_D_ERROR, "Unable to find GUID defined section\n"));
|
||||||
|
return Status;
|
||||||
|
}
|
||||||
|
|
||||||
|
Status = ExtractGuidedSectionGetInfo (
|
||||||
|
Section,
|
||||||
|
&OutputBufferSize,
|
||||||
|
&ScratchBufferSize,
|
||||||
|
&SectionAttribute
|
||||||
|
);
|
||||||
|
if (EFI_ERROR (Status)) {
|
||||||
|
DEBUG ((EFI_D_ERROR, "Unable to GetInfo for GUIDed section\n"));
|
||||||
|
return Status;
|
||||||
|
}
|
||||||
|
|
||||||
|
//PcdGet32 (PcdOvmfMemFvBase), PcdGet32 (PcdOvmfMemFvSize)
|
||||||
|
OutputBuffer = (VOID*) ((UINT8*)(UINTN) PcdGet32 (PcdOvmfMemFvBase) + SIZE_1MB);
|
||||||
|
ScratchBuffer = ALIGN_POINTER ((UINT8*) OutputBuffer + OutputBufferSize, SIZE_1MB);
|
||||||
|
Status = ExtractGuidedSectionDecode (
|
||||||
|
Section,
|
||||||
|
&OutputBuffer,
|
||||||
|
ScratchBuffer,
|
||||||
|
&AuthenticationStatus
|
||||||
|
);
|
||||||
|
if (EFI_ERROR (Status)) {
|
||||||
|
DEBUG ((EFI_D_ERROR, "Error during GUID section decode\n"));
|
||||||
|
return Status;
|
||||||
|
}
|
||||||
|
|
||||||
|
Status = FindFfsSectionInSections (
|
||||||
|
OutputBuffer,
|
||||||
|
OutputBufferSize,
|
||||||
|
EFI_SECTION_FIRMWARE_VOLUME_IMAGE,
|
||||||
|
(EFI_COMMON_SECTION_HEADER**) &NewFvSection
|
||||||
|
);
|
||||||
|
if (EFI_ERROR (Status)) {
|
||||||
|
DEBUG ((EFI_D_ERROR, "Unable to find FV image in extracted data\n"));
|
||||||
|
return Status;
|
||||||
|
}
|
||||||
|
|
||||||
|
NewFv = (EFI_FIRMWARE_VOLUME_HEADER*)(UINTN) PcdGet32 (PcdOvmfMemFvBase);
|
||||||
|
CopyMem (NewFv, (VOID*) (NewFvSection + 1), PcdGet32 (PcdOvmfMemFvSize));
|
||||||
|
|
||||||
|
if (NewFv->Signature != EFI_FVH_SIGNATURE) {
|
||||||
|
DEBUG ((EFI_D_ERROR, "Extracted FV at %p does not have FV header signature\n", NewFv));
|
||||||
|
CpuDeadLoop ();
|
||||||
|
return EFI_VOLUME_CORRUPTED;
|
||||||
|
}
|
||||||
|
|
||||||
|
*Fv = NewFv;
|
||||||
|
return EFI_SUCCESS;
|
||||||
|
}
|
||||||
|
|
||||||
|
/**
|
||||||
|
Locates the PEI Core entry point address
|
||||||
|
|
||||||
|
@param[in] Fv The firmware volume to search
|
||||||
|
@param[out] PeiCoreEntryPoint The entry point of the PEI Core image
|
||||||
|
|
||||||
|
@retval EFI_SUCCESS The file and section was found
|
||||||
|
@retval EFI_NOT_FOUND The file and section was not found
|
||||||
|
@retval EFI_VOLUME_CORRUPTED The firmware volume was corrupted
|
||||||
|
|
||||||
|
**/
|
||||||
|
EFI_STATUS
|
||||||
|
EFIAPI
|
||||||
|
FindPeiCoreImageBaseInFv (
|
||||||
|
IN EFI_FIRMWARE_VOLUME_HEADER *Fv,
|
||||||
|
OUT EFI_PHYSICAL_ADDRESS *PeiCoreImageBase
|
||||||
|
)
|
||||||
|
{
|
||||||
|
EFI_STATUS Status;
|
||||||
|
EFI_COMMON_SECTION_HEADER *Section;
|
||||||
|
|
||||||
|
Status = FindFfsFileAndSection (
|
||||||
|
Fv,
|
||||||
|
EFI_FV_FILETYPE_PEI_CORE,
|
||||||
|
EFI_SECTION_PE32,
|
||||||
|
&Section
|
||||||
|
);
|
||||||
|
if (EFI_ERROR (Status)) {
|
||||||
|
Status = FindFfsFileAndSection (
|
||||||
|
Fv,
|
||||||
|
EFI_FV_FILETYPE_PEI_CORE,
|
||||||
|
EFI_SECTION_TE,
|
||||||
|
&Section
|
||||||
|
);
|
||||||
|
if (EFI_ERROR (Status)) {
|
||||||
|
DEBUG ((EFI_D_ERROR, "Unable to find PEI Core image\n"));
|
||||||
|
return Status;
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
*PeiCoreImageBase = (EFI_PHYSICAL_ADDRESS)(UINTN)(Section + 1);
|
||||||
|
return EFI_SUCCESS;
|
||||||
|
}
|
||||||
|
|
||||||
|
/**
|
||||||
|
Locates the PEI Core entry point address
|
||||||
|
|
||||||
|
@param[in,out] Fv The firmware volume to search
|
||||||
|
@param[out] PeiCoreEntryPoint The entry point of the PEI Core image
|
||||||
|
|
||||||
|
@retval EFI_SUCCESS The file and section was found
|
||||||
|
@retval EFI_NOT_FOUND The file and section was not found
|
||||||
|
@retval EFI_VOLUME_CORRUPTED The firmware volume was corrupted
|
||||||
|
|
||||||
|
**/
|
||||||
|
VOID
|
||||||
|
EFIAPI
|
||||||
|
FindPeiCoreImageBase (
|
||||||
|
IN OUT EFI_FIRMWARE_VOLUME_HEADER **BootFv,
|
||||||
|
OUT EFI_PHYSICAL_ADDRESS *PeiCoreImageBase
|
||||||
|
)
|
||||||
|
{
|
||||||
|
*PeiCoreImageBase = 0;
|
||||||
|
|
||||||
|
FindMainFv (BootFv);
|
||||||
|
|
||||||
|
DecompressGuidedFv (BootFv);
|
||||||
|
|
||||||
|
FindPeiCoreImageBaseInFv (*BootFv, PeiCoreImageBase);
|
||||||
|
}
|
||||||
|
|
||||||
|
/**
|
||||||
|
Find core image base.
|
||||||
|
|
||||||
|
**/
|
||||||
|
EFI_STATUS
|
||||||
|
EFIAPI
|
||||||
|
FindImageBase (
|
||||||
|
IN EFI_FIRMWARE_VOLUME_HEADER *BootFirmwareVolumePtr,
|
||||||
|
OUT EFI_PHYSICAL_ADDRESS *SecCoreImageBase
|
||||||
|
)
|
||||||
|
{
|
||||||
|
EFI_PHYSICAL_ADDRESS CurrentAddress;
|
||||||
|
EFI_PHYSICAL_ADDRESS EndOfFirmwareVolume;
|
||||||
|
EFI_FFS_FILE_HEADER *File;
|
||||||
|
UINT32 Size;
|
||||||
|
EFI_PHYSICAL_ADDRESS EndOfFile;
|
||||||
|
EFI_COMMON_SECTION_HEADER *Section;
|
||||||
|
EFI_PHYSICAL_ADDRESS EndOfSection;
|
||||||
|
|
||||||
|
*SecCoreImageBase = 0;
|
||||||
|
|
||||||
|
CurrentAddress = (EFI_PHYSICAL_ADDRESS)(UINTN) BootFirmwareVolumePtr;
|
||||||
|
EndOfFirmwareVolume = CurrentAddress + BootFirmwareVolumePtr->FvLength;
|
||||||
|
|
||||||
|
//
|
||||||
|
// Loop through the FFS files in the Boot Firmware Volume
|
||||||
|
//
|
||||||
|
for (EndOfFile = CurrentAddress + BootFirmwareVolumePtr->HeaderLength; ; ) {
|
||||||
|
|
||||||
|
CurrentAddress = (EndOfFile + 7) & 0xfffffffffffffff8ULL;
|
||||||
|
if (CurrentAddress > EndOfFirmwareVolume) {
|
||||||
|
return EFI_NOT_FOUND;
|
||||||
|
}
|
||||||
|
|
||||||
|
File = (EFI_FFS_FILE_HEADER*)(UINTN) CurrentAddress;
|
||||||
|
Size = *(UINT32*) File->Size & 0xffffff;
|
||||||
|
if (Size < sizeof (*File)) {
|
||||||
|
return EFI_NOT_FOUND;
|
||||||
|
}
|
||||||
|
|
||||||
|
EndOfFile = CurrentAddress + Size;
|
||||||
|
if (EndOfFile > EndOfFirmwareVolume) {
|
||||||
|
return EFI_NOT_FOUND;
|
||||||
|
}
|
||||||
|
|
||||||
|
//
|
||||||
|
// Look for SEC Core
|
||||||
|
//
|
||||||
|
if (File->Type != EFI_FV_FILETYPE_SECURITY_CORE) {
|
||||||
|
continue;
|
||||||
|
}
|
||||||
|
|
||||||
|
//
|
||||||
|
// Loop through the FFS file sections within the FFS file
|
||||||
|
//
|
||||||
|
EndOfSection = (EFI_PHYSICAL_ADDRESS)(UINTN) (File + 1);
|
||||||
|
for (;;) {
|
||||||
|
CurrentAddress = (EndOfSection + 3) & 0xfffffffffffffffcULL;
|
||||||
|
Section = (EFI_COMMON_SECTION_HEADER*)(UINTN) CurrentAddress;
|
||||||
|
|
||||||
|
Size = *(UINT32*) Section->Size & 0xffffff;
|
||||||
|
if (Size < sizeof (*Section)) {
|
||||||
|
return EFI_NOT_FOUND;
|
||||||
|
}
|
||||||
|
|
||||||
|
EndOfSection = CurrentAddress + Size;
|
||||||
|
if (EndOfSection > EndOfFile) {
|
||||||
|
return EFI_NOT_FOUND;
|
||||||
|
}
|
||||||
|
|
||||||
|
//
|
||||||
|
// Look for executable sections
|
||||||
|
//
|
||||||
|
if (Section->Type == EFI_SECTION_PE32 || Section->Type == EFI_SECTION_TE) {
|
||||||
|
if (File->Type == EFI_FV_FILETYPE_SECURITY_CORE) {
|
||||||
|
*SecCoreImageBase = (PHYSICAL_ADDRESS) (UINTN) (Section + 1);
|
||||||
|
}
|
||||||
|
break;
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
//
|
||||||
|
// SEC Core image found
|
||||||
|
//
|
||||||
|
if (*SecCoreImageBase != 0) {
|
||||||
|
return EFI_SUCCESS;
|
||||||
|
}
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
/*
|
||||||
|
Find and return Pei Core entry point.
|
||||||
|
|
||||||
|
It also find SEC and PEI Core file debug inforamtion. It will report them if
|
||||||
|
remote debug is enabled.
|
||||||
|
|
||||||
|
**/
|
||||||
|
VOID
|
||||||
|
EFIAPI
|
||||||
|
FindAndReportEntryPoints (
|
||||||
|
IN EFI_FIRMWARE_VOLUME_HEADER **BootFirmwareVolumePtr,
|
||||||
|
OUT EFI_PEI_CORE_ENTRY_POINT *PeiCoreEntryPoint
|
||||||
|
)
|
||||||
|
{
|
||||||
|
EFI_STATUS Status;
|
||||||
|
EFI_PHYSICAL_ADDRESS SecCoreImageBase;
|
||||||
|
EFI_PHYSICAL_ADDRESS PeiCoreImageBase;
|
||||||
|
PE_COFF_LOADER_IMAGE_CONTEXT ImageContext;
|
||||||
|
|
||||||
|
//
|
||||||
|
// Find SEC Core and PEI Core image base
|
||||||
|
//
|
||||||
|
Status = FindImageBase (*BootFirmwareVolumePtr, &SecCoreImageBase);
|
||||||
|
ASSERT_EFI_ERROR (Status);
|
||||||
|
|
||||||
|
FindPeiCoreImageBase (BootFirmwareVolumePtr, &PeiCoreImageBase);
|
||||||
|
|
||||||
|
ZeroMem ((VOID *) &ImageContext, sizeof (PE_COFF_LOADER_IMAGE_CONTEXT));
|
||||||
|
//
|
||||||
|
// Report SEC Core debug information when remote debug is enabled
|
||||||
|
//
|
||||||
|
ImageContext.ImageAddress = SecCoreImageBase;
|
||||||
|
ImageContext.PdbPointer = PeCoffLoaderGetPdbPointer ((VOID*) (UINTN) ImageContext.ImageAddress);
|
||||||
|
PeCoffLoaderRelocateImageExtraAction (&ImageContext);
|
||||||
|
|
||||||
|
//
|
||||||
|
// Report PEI Core debug information when remote debug is enabled
|
||||||
|
//
|
||||||
|
ImageContext.ImageAddress = (EFI_PHYSICAL_ADDRESS)(UINTN)PeiCoreImageBase;
|
||||||
|
ImageContext.PdbPointer = PeCoffLoaderGetPdbPointer ((VOID*) (UINTN) ImageContext.ImageAddress);
|
||||||
|
PeCoffLoaderRelocateImageExtraAction (&ImageContext);
|
||||||
|
|
||||||
|
//
|
||||||
|
// Find PEI Core entry point
|
||||||
|
//
|
||||||
|
Status = PeCoffLoaderGetEntryPoint ((VOID *) (UINTN) PeiCoreImageBase, (VOID**) PeiCoreEntryPoint);
|
||||||
|
if (EFI_ERROR (Status)) {
|
||||||
|
*PeiCoreEntryPoint = 0;
|
||||||
|
}
|
||||||
|
|
||||||
|
return;
|
||||||
}
|
}
|
||||||
|
|
||||||
VOID
|
VOID
|
||||||
@ -66,92 +585,113 @@ SecCoreStartupWithStack (
|
|||||||
IN VOID *TopOfCurrentStack
|
IN VOID *TopOfCurrentStack
|
||||||
)
|
)
|
||||||
{
|
{
|
||||||
EFI_SEC_PEI_HAND_OFF *SecCoreData;
|
EFI_SEC_PEI_HAND_OFF SecCoreData;
|
||||||
UINT8 *BottomOfTempRam;
|
SEC_IDT_TABLE IdtTableInStack;
|
||||||
UINT8 *TopOfTempRam;
|
IA32_DESCRIPTOR IdtDescriptor;
|
||||||
UINTN SizeOfTempRam;
|
UINT32 Index;
|
||||||
VOID *IdtPtr;
|
|
||||||
VOID *PeiCoreEntryPoint;
|
|
||||||
|
|
||||||
DEBUG ((EFI_D_INFO,
|
ProcessLibraryConstructorList (NULL, NULL);
|
||||||
|
|
||||||
|
DEBUG ((EFI_D_ERROR,
|
||||||
"SecCoreStartupWithStack(0x%x, 0x%x)\n",
|
"SecCoreStartupWithStack(0x%x, 0x%x)\n",
|
||||||
(UINT32)(UINTN)BootFv,
|
(UINT32)(UINTN)BootFv,
|
||||||
(UINT32)(UINTN)TopOfCurrentStack
|
(UINT32)(UINTN)TopOfCurrentStack
|
||||||
));
|
));
|
||||||
|
|
||||||
ProcessLibraryConstructorList (NULL, NULL);
|
|
||||||
|
|
||||||
//
|
//
|
||||||
// Initialize floating point operating environment
|
// Initialize floating point operating environment
|
||||||
// to be compliant with UEFI spec.
|
// to be compliant with UEFI spec.
|
||||||
//
|
//
|
||||||
InitializeFloatingPointUnits ();
|
InitializeFloatingPointUnits ();
|
||||||
|
|
||||||
BottomOfTempRam = (UINT8*)(UINTN) INITIAL_TOP_OF_STACK;
|
//
|
||||||
SizeOfTempRam = (UINTN) SIZE_64KB;
|
// Initialize IDT
|
||||||
TopOfTempRam = BottomOfTempRam + SizeOfTempRam;
|
//
|
||||||
|
IdtTableInStack.PeiService = NULL;
|
||||||
|
for (Index = 0; Index < SEC_IDT_ENTRY_COUNT; Index ++) {
|
||||||
|
CopyMem (&IdtTableInStack.IdtTable[Index], &mIdtEntryTemplate, sizeof (mIdtEntryTemplate));
|
||||||
|
}
|
||||||
|
|
||||||
|
IdtDescriptor.Base = (UINTN)&IdtTableInStack.IdtTable;
|
||||||
|
IdtDescriptor.Limit = (UINT16)(sizeof (IdtTableInStack.IdtTable) - 1);
|
||||||
|
|
||||||
|
AsmWriteIdtr (&IdtDescriptor);
|
||||||
|
|
||||||
//
|
//
|
||||||
// |-------------|
|
// |-------------| <-- TopOfCurrentStack
|
||||||
// | SecCoreData | 4k
|
|
||||||
// |-------------|
|
|
||||||
// | Heap | 28k
|
|
||||||
// |-------------|
|
|
||||||
// | Stack | 32k
|
// | Stack | 32k
|
||||||
// |-------------| <---- INITIAL_TOP_OF_STACK
|
// |-------------|
|
||||||
|
// | Heap | 32k
|
||||||
|
// |-------------| <-- SecCoreData.TemporaryRamBase
|
||||||
//
|
//
|
||||||
|
|
||||||
//
|
//
|
||||||
// Bind this information into the SEC hand-off state
|
// Initialize SEC hand-off state
|
||||||
//
|
//
|
||||||
SecCoreData = (EFI_SEC_PEI_HAND_OFF*)((UINTN) TopOfTempRam - SIZE_4KB);
|
SecCoreData.DataSize = sizeof(EFI_SEC_PEI_HAND_OFF);
|
||||||
SecCoreData->DataSize = sizeof(EFI_SEC_PEI_HAND_OFF);
|
|
||||||
|
|
||||||
SecCoreData->TemporaryRamBase = (VOID*) BottomOfTempRam;
|
SecCoreData.TemporaryRamSize = SIZE_64KB;
|
||||||
SecCoreData->TemporaryRamSize = SizeOfTempRam;
|
SecCoreData.TemporaryRamBase = (VOID*)((UINT8 *)TopOfCurrentStack - SecCoreData.TemporaryRamSize);
|
||||||
|
|
||||||
SecCoreData->PeiTemporaryRamSize = 28 * SIZE_1KB;
|
SecCoreData.PeiTemporaryRamBase = SecCoreData.TemporaryRamBase;
|
||||||
SecCoreData->PeiTemporaryRamBase = (VOID*)((UINTN)SecCoreData - SecCoreData->PeiTemporaryRamSize);
|
SecCoreData.PeiTemporaryRamSize = SecCoreData.TemporaryRamSize >> 1;
|
||||||
|
|
||||||
SecCoreData->StackBase = SecCoreData->TemporaryRamBase;
|
SecCoreData.StackBase = (UINT8 *)SecCoreData.TemporaryRamBase + SecCoreData.PeiTemporaryRamSize;
|
||||||
SecCoreData->StackSize = (UINTN)SecCoreData->PeiTemporaryRamBase - (UINTN)SecCoreData->TemporaryRamBase;
|
SecCoreData.StackSize = SecCoreData.TemporaryRamSize >> 1;
|
||||||
|
|
||||||
|
SecCoreData.BootFirmwareVolumeBase = BootFv;
|
||||||
|
SecCoreData.BootFirmwareVolumeSize = (UINTN) BootFv->FvLength;
|
||||||
|
|
||||||
//
|
//
|
||||||
// Initialize the IDT Pointer, since IA32 & X64 architectures
|
// Make sure the 8259 is masked before initializing the Debug Agent and the debug timer is enabled
|
||||||
// use it to store the PEI Services pointer.
|
|
||||||
//
|
//
|
||||||
IdtPtr = (VOID*)((UINT8*)SecCoreData + sizeof (*SecCoreData) + sizeof (UINTN));
|
IoWrite8 (0x21, 0xff);
|
||||||
IdtPtr = ALIGN_POINTER(IdtPtr, 16);
|
IoWrite8 (0xA1, 0xff);
|
||||||
InitializeIdtPtr (IdtPtr);
|
|
||||||
|
|
||||||
FindPeiCoreEntryPoint (&BootFv, &PeiCoreEntryPoint);
|
//
|
||||||
|
// Initialize Debug Agent to support source level debug in SEC/PEI phases before memory ready.
|
||||||
|
//
|
||||||
|
InitializeDebugAgent (DEBUG_AGENT_INIT_PREMEM_SEC, &SecCoreData, SecStartupPhase2);
|
||||||
|
}
|
||||||
|
|
||||||
|
/**
|
||||||
|
Caller provided function to be invoked at the end of InitializeDebugAgent().
|
||||||
|
|
||||||
|
Entry point to the C language phase of SEC. After the SEC assembly
|
||||||
|
code has initialized some temporary memory and set up the stack,
|
||||||
|
the control is transferred to this function.
|
||||||
|
|
||||||
|
@param[in] Context The first input parameter of InitializeDebugAgent().
|
||||||
|
|
||||||
|
**/
|
||||||
|
VOID
|
||||||
|
EFIAPI
|
||||||
|
SecStartupPhase2(
|
||||||
|
IN VOID *Context
|
||||||
|
)
|
||||||
|
{
|
||||||
|
EFI_SEC_PEI_HAND_OFF *SecCoreData;
|
||||||
|
EFI_FIRMWARE_VOLUME_HEADER *BootFv;
|
||||||
|
EFI_PEI_CORE_ENTRY_POINT PeiCoreEntryPoint;
|
||||||
|
|
||||||
|
SecCoreData = (EFI_SEC_PEI_HAND_OFF *) Context;
|
||||||
|
|
||||||
|
//
|
||||||
|
// Find PEI Core entry point. It will report SEC and Pei Core debug information if remote debug
|
||||||
|
// is enabled.
|
||||||
|
//
|
||||||
|
BootFv = (EFI_FIRMWARE_VOLUME_HEADER *)SecCoreData->BootFirmwareVolumeBase;
|
||||||
|
FindAndReportEntryPoints (&BootFv, &PeiCoreEntryPoint);
|
||||||
SecCoreData->BootFirmwareVolumeBase = BootFv;
|
SecCoreData->BootFirmwareVolumeBase = BootFv;
|
||||||
SecCoreData->BootFirmwareVolumeSize = (UINTN) BootFv->FvLength;
|
SecCoreData->BootFirmwareVolumeSize = (UINTN) BootFv->FvLength;
|
||||||
|
|
||||||
if (PeiCoreEntryPoint != NULL) {
|
//
|
||||||
DEBUG ((EFI_D_INFO,
|
// Transfer the control to the PEI core
|
||||||
"Calling PEI Core entry point at 0x%x\n",
|
//
|
||||||
PeiCoreEntryPoint
|
(*PeiCoreEntryPoint) (SecCoreData, (EFI_PEI_PPI_DESCRIPTOR *)&mPrivateDispatchTable);
|
||||||
));
|
|
||||||
//
|
|
||||||
// Transfer control to the PEI Core
|
|
||||||
//
|
|
||||||
PeiSwitchStacks (
|
|
||||||
(SWITCH_STACK_ENTRY_POINT) (UINTN) PeiCoreEntryPoint,
|
|
||||||
SecCoreData,
|
|
||||||
(VOID *) (UINTN) ((EFI_PEI_PPI_DESCRIPTOR *) &mPrivateDispatchTable),
|
|
||||||
NULL,
|
|
||||||
TopOfCurrentStack,
|
|
||||||
(VOID *)((UINTN)SecCoreData->StackBase + SecCoreData->StackSize)
|
|
||||||
);
|
|
||||||
}
|
|
||||||
|
|
||||||
//
|
//
|
||||||
// If we get here, then either we couldn't locate the PEI Core, or
|
// If we get here then the PEI Core returned, which is not recoverable.
|
||||||
// the PEI Core returned.
|
|
||||||
//
|
|
||||||
// Both of these errors are unrecoverable.
|
|
||||||
//
|
//
|
||||||
ASSERT (FALSE);
|
ASSERT (FALSE);
|
||||||
CpuDeadLoop ();
|
CpuDeadLoop ();
|
||||||
@ -166,23 +706,61 @@ TemporaryRamMigration (
|
|||||||
IN UINTN CopySize
|
IN UINTN CopySize
|
||||||
)
|
)
|
||||||
{
|
{
|
||||||
|
IA32_DESCRIPTOR IdtDescriptor;
|
||||||
|
VOID *OldHeap;
|
||||||
|
VOID *NewHeap;
|
||||||
|
VOID *OldStack;
|
||||||
|
VOID *NewStack;
|
||||||
|
DEBUG_AGENT_CONTEXT_POSTMEM_SEC DebugAgentContext;
|
||||||
|
BOOLEAN OldStatus;
|
||||||
|
BASE_LIBRARY_JUMP_BUFFER JumpBuffer;
|
||||||
|
|
||||||
DEBUG ((EFI_D_ERROR, "TemporaryRamMigration(0x%x, 0x%x, 0x%x)\n", (UINTN)TemporaryMemoryBase, (UINTN)PermanentMemoryBase, CopySize));
|
DEBUG ((EFI_D_ERROR, "TemporaryRamMigration(0x%x, 0x%x, 0x%x)\n", (UINTN)TemporaryMemoryBase, (UINTN)PermanentMemoryBase, CopySize));
|
||||||
|
|
||||||
//
|
OldHeap = (VOID*)(UINTN)TemporaryMemoryBase;
|
||||||
// Migrate the whole temporary memory to permenent memory.
|
NewHeap = (VOID*)((UINTN)PermanentMemoryBase + (CopySize >> 1));
|
||||||
//
|
|
||||||
CopyMem((VOID*)(UINTN)PermanentMemoryBase, (VOID*)(UINTN)TemporaryMemoryBase, CopySize);
|
OldStack = (VOID*)((UINTN)TemporaryMemoryBase + (CopySize >> 1));
|
||||||
|
NewStack = (VOID*)(UINTN)PermanentMemoryBase;
|
||||||
|
|
||||||
|
DebugAgentContext.HeapMigrateOffset = (UINTN)NewHeap - (UINTN)OldHeap;
|
||||||
|
DebugAgentContext.StackMigrateOffset = (UINTN)NewStack - (UINTN)OldStack;
|
||||||
|
|
||||||
|
OldStatus = SaveAndSetDebugTimerInterrupt (FALSE);
|
||||||
|
InitializeDebugAgent (DEBUG_AGENT_INIT_POSTMEM_SEC, (VOID *) &DebugAgentContext, NULL);
|
||||||
|
|
||||||
//
|
//
|
||||||
// SecSwitchStack function must be invoked after the memory migration
|
// Migrate Heap
|
||||||
// immediatly, also we need fixup the stack change caused by new call into
|
|
||||||
// permenent memory.
|
|
||||||
//
|
//
|
||||||
SecSwitchStack (
|
CopyMem (NewHeap, OldHeap, CopySize >> 1);
|
||||||
(UINTN) TemporaryMemoryBase,
|
|
||||||
(UINTN) PermanentMemoryBase,
|
//
|
||||||
CopySize
|
// Migrate Stack
|
||||||
);
|
//
|
||||||
|
CopyMem (NewStack, OldStack, CopySize >> 1);
|
||||||
|
|
||||||
|
//
|
||||||
|
// Rebase IDT table in permanent memory
|
||||||
|
//
|
||||||
|
AsmReadIdtr (&IdtDescriptor);
|
||||||
|
IdtDescriptor.Base = IdtDescriptor.Base - (UINTN)OldStack + (UINTN)NewStack;
|
||||||
|
|
||||||
|
AsmWriteIdtr (&IdtDescriptor);
|
||||||
|
|
||||||
|
//
|
||||||
|
// Use SetJump()/LongJump() to switch to a new stack.
|
||||||
|
//
|
||||||
|
if (SetJump (&JumpBuffer) == 0) {
|
||||||
|
#if defined (MDE_CPU_IA32)
|
||||||
|
JumpBuffer.Esp = JumpBuffer.Esp + DebugAgentContext.StackMigrateOffset;
|
||||||
|
#endif
|
||||||
|
#if defined (MDE_CPU_X64)
|
||||||
|
JumpBuffer.Rsp = JumpBuffer.Rsp + DebugAgentContext.StackMigrateOffset;
|
||||||
|
#endif
|
||||||
|
LongJump (&JumpBuffer, (UINTN)-1);
|
||||||
|
}
|
||||||
|
|
||||||
|
SaveAndSetDebugTimerInterrupt (OldStatus);
|
||||||
|
|
||||||
return EFI_SUCCESS;
|
return EFI_SUCCESS;
|
||||||
}
|
}
|
||||||
|
|||||||
@ -1,57 +0,0 @@
|
|||||||
/** @file
|
|
||||||
Header file for SEC code
|
|
||||||
|
|
||||||
Copyright (c) 2008 - 2009, Intel Corporation. All rights reserved.<BR>
|
|
||||||
|
|
||||||
This program and the accompanying materials
|
|
||||||
are licensed and made available under the terms and conditions of the BSD License
|
|
||||||
which accompanies this distribution. The full text of the license may be found at
|
|
||||||
http://opensource.org/licenses/bsd-license.php
|
|
||||||
|
|
||||||
THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
|
|
||||||
WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
|
|
||||||
|
|
||||||
**/
|
|
||||||
|
|
||||||
#ifndef _PLATFORM_SECMAIN_H_
|
|
||||||
#define _PLATFORM_SECMAIN_H_
|
|
||||||
|
|
||||||
VOID
|
|
||||||
EFIAPI
|
|
||||||
PeiSwitchStacks (
|
|
||||||
IN SWITCH_STACK_ENTRY_POINT EntryPoint,
|
|
||||||
IN VOID *Context1, OPTIONAL
|
|
||||||
IN VOID *Context2, OPTIONAL
|
|
||||||
IN VOID *Context3, OPTIONAL
|
|
||||||
IN VOID *OldTopOfStack,
|
|
||||||
IN VOID *NewStack
|
|
||||||
);
|
|
||||||
|
|
||||||
VOID
|
|
||||||
EFIAPI
|
|
||||||
SecSwitchStack (
|
|
||||||
IN UINTN TemporaryMemoryBase,
|
|
||||||
IN UINTN PermanentMemoryBase,
|
|
||||||
IN UINTN CopySize
|
|
||||||
);
|
|
||||||
|
|
||||||
EFI_STATUS
|
|
||||||
EFIAPI
|
|
||||||
TemporaryRamMigration (
|
|
||||||
IN CONST EFI_PEI_SERVICES **PeiServices,
|
|
||||||
IN EFI_PHYSICAL_ADDRESS TemporaryMemoryBase,
|
|
||||||
IN EFI_PHYSICAL_ADDRESS PermanentMemoryBase,
|
|
||||||
IN UINTN CopySize
|
|
||||||
);
|
|
||||||
|
|
||||||
VOID
|
|
||||||
EFIAPI
|
|
||||||
FindPeiCoreEntryPoint (
|
|
||||||
IN EFI_FIRMWARE_VOLUME_HEADER **BootFirmwareVolumePtr,
|
|
||||||
OUT VOID **PeiCoreEntryPoint
|
|
||||||
);
|
|
||||||
|
|
||||||
#define INITIAL_TOP_OF_STACK BASE_512KB
|
|
||||||
|
|
||||||
#endif // _PLATFORM_SECMAIN_H_
|
|
||||||
|
|
||||||
@ -28,31 +28,37 @@
|
|||||||
#
|
#
|
||||||
|
|
||||||
[Sources]
|
[Sources]
|
||||||
FindPeiCore.c
|
|
||||||
SecMain.c
|
SecMain.c
|
||||||
|
|
||||||
[Sources.IA32]
|
[Sources.IA32]
|
||||||
Ia32/SecEntry.asm
|
Ia32/SecEntry.asm | MSFT
|
||||||
Ia32/SecEntry.S
|
Ia32/SecEntry.asm | INTEL
|
||||||
Ia32/SwitchStack.c
|
Ia32/SecEntry.S | GCC
|
||||||
|
|
||||||
[Sources.X64]
|
[Sources.X64]
|
||||||
X64/SecEntry.asm
|
X64/SecEntry.asm | MSFT
|
||||||
X64/SecEntry.S
|
X64/SecEntry.asm | INTEL
|
||||||
X64/SwitchStack.c
|
X64/SecEntry.S | GCC
|
||||||
|
|
||||||
[Packages]
|
[Packages]
|
||||||
MdePkg/MdePkg.dec
|
MdePkg/MdePkg.dec
|
||||||
|
MdeModulePkg/MdeModulePkg.dec
|
||||||
UefiCpuPkg/UefiCpuPkg.dec
|
UefiCpuPkg/UefiCpuPkg.dec
|
||||||
OvmfPkg/OvmfPkg.dec
|
OvmfPkg/OvmfPkg.dec
|
||||||
|
|
||||||
[LibraryClasses]
|
[LibraryClasses]
|
||||||
BaseLib
|
BaseLib
|
||||||
|
DebugLib
|
||||||
BaseMemoryLib
|
BaseMemoryLib
|
||||||
ExtractGuidedSectionLib
|
PeiServicesLib
|
||||||
PcdLib
|
PcdLib
|
||||||
PeCoffGetEntryPointLib
|
|
||||||
UefiCpuLib
|
UefiCpuLib
|
||||||
|
DebugAgentLib
|
||||||
|
IoLib
|
||||||
|
PeCoffLib
|
||||||
|
PeCoffGetEntryPointLib
|
||||||
|
PeCoffExtraActionLib
|
||||||
|
ExtractGuidedSectionLib
|
||||||
|
|
||||||
[Ppis]
|
[Ppis]
|
||||||
gEfiTemporaryRamSupportPpiGuid # PPI ALWAYS_PRODUCED
|
gEfiTemporaryRamSupportPpiGuid # PPI ALWAYS_PRODUCED
|
||||||
@ -60,4 +66,3 @@
|
|||||||
[Pcd]
|
[Pcd]
|
||||||
gUefiOvmfPkgTokenSpaceGuid.PcdOvmfMemFvBase
|
gUefiOvmfPkgTokenSpaceGuid.PcdOvmfMemFvBase
|
||||||
gUefiOvmfPkgTokenSpaceGuid.PcdOvmfMemFvSize
|
gUefiOvmfPkgTokenSpaceGuid.PcdOvmfMemFvSize
|
||||||
|
|
||||||
|
|||||||
@ -17,7 +17,7 @@
|
|||||||
#------------------------------------------------------------------------------
|
#------------------------------------------------------------------------------
|
||||||
|
|
||||||
|
|
||||||
#include "SecMain.h"
|
#include <Base.h>
|
||||||
|
|
||||||
#EXTERN ASM_PFX(SecCoreStartupWithStack)
|
#EXTERN ASM_PFX(SecCoreStartupWithStack)
|
||||||
|
|
||||||
@ -39,7 +39,7 @@ ASM_PFX(_ModuleEntryPoint):
|
|||||||
# Load temporary stack top at very low memory. The C code
|
# Load temporary stack top at very low memory. The C code
|
||||||
# can reload to a better address.
|
# can reload to a better address.
|
||||||
#
|
#
|
||||||
movq $INITIAL_TOP_OF_STACK, %rsp
|
movq $BASE_512KB, %rsp
|
||||||
nop
|
nop
|
||||||
|
|
||||||
#
|
#
|
||||||
|
|||||||
@ -16,7 +16,7 @@
|
|||||||
;*
|
;*
|
||||||
;------------------------------------------------------------------------------
|
;------------------------------------------------------------------------------
|
||||||
|
|
||||||
#include "SecMain.h"
|
#include <Base.h>
|
||||||
|
|
||||||
.code
|
.code
|
||||||
|
|
||||||
@ -39,7 +39,7 @@ _ModuleEntryPoint PROC PUBLIC
|
|||||||
; Load temporary stack top at very low memory. The C code
|
; Load temporary stack top at very low memory. The C code
|
||||||
; can reload to a better address.
|
; can reload to a better address.
|
||||||
;
|
;
|
||||||
mov rsp, INITIAL_TOP_OF_STACK
|
mov rsp, BASE_512KB
|
||||||
nop
|
nop
|
||||||
|
|
||||||
;
|
;
|
||||||
|
|||||||
@ -1,165 +0,0 @@
|
|||||||
/** @file
|
|
||||||
Switch Stack functions.
|
|
||||||
|
|
||||||
Copyright (c) 2006 - 2007, Intel Corporation. All rights reserved.<BR>
|
|
||||||
This program and the accompanying materials
|
|
||||||
are licensed and made available under the terms and conditions of the BSD License
|
|
||||||
which accompanies this distribution. The full text of the license may be found at
|
|
||||||
http://opensource.org/licenses/bsd-license.php
|
|
||||||
|
|
||||||
THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
|
|
||||||
WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
|
|
||||||
|
|
||||||
**/
|
|
||||||
|
|
||||||
//
|
|
||||||
// Include common header file for this module.
|
|
||||||
//
|
|
||||||
|
|
||||||
|
|
||||||
#include <Library/BaseLib.h>
|
|
||||||
#include <Library/BaseMemoryLib.h>
|
|
||||||
#include <Library/DebugLib.h>
|
|
||||||
#include <Library/PeiServicesLib.h>
|
|
||||||
|
|
||||||
//
|
|
||||||
// Type define for PEI Core Entry Point function
|
|
||||||
//
|
|
||||||
typedef
|
|
||||||
VOID
|
|
||||||
(EFIAPI *PEI_CORE_ENTRY_POINT)(
|
|
||||||
IN CONST EFI_SEC_PEI_HAND_OFF *SecCoreData,
|
|
||||||
IN CONST EFI_PEI_PPI_DESCRIPTOR *PpiList,
|
|
||||||
IN VOID *Data
|
|
||||||
)
|
|
||||||
;
|
|
||||||
|
|
||||||
/**
|
|
||||||
Transfers control to a function starting with a new stack.
|
|
||||||
|
|
||||||
Transfers control to the function specified by EntryPoint using the new stack
|
|
||||||
specified by NewStack and passing in the parameters specified by Context1 and
|
|
||||||
Context2. Context1 and Context2 are optional and may be NULL. The function
|
|
||||||
EntryPoint must never return.
|
|
||||||
|
|
||||||
If EntryPoint is NULL, then ASSERT().
|
|
||||||
If NewStack is NULL, then ASSERT().
|
|
||||||
|
|
||||||
@param EntryPoint A pointer to function to call with the new stack.
|
|
||||||
@param Context1 A pointer to the context to pass into the EntryPoint
|
|
||||||
function.
|
|
||||||
@param Context2 A pointer to the context to pass into the EntryPoint
|
|
||||||
function.
|
|
||||||
@param NewStack A pointer to the new stack to use for the EntryPoint
|
|
||||||
function.
|
|
||||||
@param NewBsp A pointer to the new BSP for the EntryPoint on IPF. It's
|
|
||||||
Reserved on other architectures.
|
|
||||||
|
|
||||||
**/
|
|
||||||
VOID
|
|
||||||
EFIAPI
|
|
||||||
PeiSwitchStacks (
|
|
||||||
IN SWITCH_STACK_ENTRY_POINT EntryPoint,
|
|
||||||
IN VOID *Context1, OPTIONAL
|
|
||||||
IN VOID *Context2, OPTIONAL
|
|
||||||
IN VOID *Context3, OPTIONAL
|
|
||||||
IN VOID *OldTopOfStack,
|
|
||||||
IN VOID *NewStack
|
|
||||||
)
|
|
||||||
{
|
|
||||||
BASE_LIBRARY_JUMP_BUFFER JumpBuffer;
|
|
||||||
UINTN SizeOfStackUsed;
|
|
||||||
UINTN SetJumpFlag;
|
|
||||||
|
|
||||||
ASSERT (EntryPoint != NULL);
|
|
||||||
ASSERT (NewStack != NULL);
|
|
||||||
|
|
||||||
SetJumpFlag = SetJump (&JumpBuffer);
|
|
||||||
//
|
|
||||||
// The initial call to SetJump() must always return 0.
|
|
||||||
// Subsequent calls to LongJump() may cause a non-zero value to be returned by SetJump().
|
|
||||||
//
|
|
||||||
if (SetJumpFlag == 0) {
|
|
||||||
//
|
|
||||||
// Stack should be aligned with CPU_STACK_ALIGNMENT
|
|
||||||
//
|
|
||||||
ASSERT (((UINTN)NewStack & (CPU_STACK_ALIGNMENT - 1)) == 0);
|
|
||||||
|
|
||||||
//JumpBuffer.Rip = (UINTN)EntryPoint;
|
|
||||||
SizeOfStackUsed = (UINTN)OldTopOfStack - JumpBuffer.Rsp;
|
|
||||||
JumpBuffer.Rsp = (UINTN)NewStack - SizeOfStackUsed;
|
|
||||||
MemoryFence ();
|
|
||||||
CopyMem (
|
|
||||||
(VOID*) ((UINTN)NewStack - SizeOfStackUsed),
|
|
||||||
(VOID*) ((UINTN)OldTopOfStack - SizeOfStackUsed),
|
|
||||||
SizeOfStackUsed
|
|
||||||
);
|
|
||||||
LongJump (&JumpBuffer, (UINTN)-1);
|
|
||||||
} else {
|
|
||||||
(*(PEI_CORE_ENTRY_POINT)(EntryPoint)) (
|
|
||||||
(EFI_SEC_PEI_HAND_OFF *) Context1,
|
|
||||||
(EFI_PEI_PPI_DESCRIPTOR *) Context2,
|
|
||||||
Context3
|
|
||||||
);
|
|
||||||
}
|
|
||||||
|
|
||||||
//
|
|
||||||
// InternalSwitchStack () will never return
|
|
||||||
//
|
|
||||||
ASSERT (FALSE);
|
|
||||||
}
|
|
||||||
|
|
||||||
/**
|
|
||||||
Transfers control to a function starting with a new stack.
|
|
||||||
|
|
||||||
Transfers control to the function specified by EntryPoint using the new stack
|
|
||||||
specified by NewStack and passing in the parameters specified by Context1 and
|
|
||||||
Context2. Context1 and Context2 are optional and may be NULL. The function
|
|
||||||
EntryPoint must never return.
|
|
||||||
|
|
||||||
If EntryPoint is NULL, then ASSERT().
|
|
||||||
If NewStack is NULL, then ASSERT().
|
|
||||||
|
|
||||||
@param EntryPoint A pointer to function to call with the new stack.
|
|
||||||
@param Context1 A pointer to the context to pass into the EntryPoint
|
|
||||||
function.
|
|
||||||
@param Context2 A pointer to the context to pass into the EntryPoint
|
|
||||||
function.
|
|
||||||
@param NewStack A pointer to the new stack to use for the EntryPoint
|
|
||||||
function.
|
|
||||||
@param NewBsp A pointer to the new BSP for the EntryPoint on IPF. It's
|
|
||||||
Reserved on other architectures.
|
|
||||||
|
|
||||||
**/
|
|
||||||
VOID
|
|
||||||
EFIAPI
|
|
||||||
SecSwitchStack (
|
|
||||||
IN UINTN TemporaryMemoryBase,
|
|
||||||
IN UINTN PermanentMemoryBase,
|
|
||||||
IN UINTN CopySize
|
|
||||||
)
|
|
||||||
{
|
|
||||||
BASE_LIBRARY_JUMP_BUFFER JumpBuffer;
|
|
||||||
UINTN SetJumpFlag;
|
|
||||||
|
|
||||||
ASSERT ((VOID*)TemporaryMemoryBase != NULL);
|
|
||||||
ASSERT ((VOID*)PermanentMemoryBase != NULL);
|
|
||||||
|
|
||||||
SetJumpFlag = SetJump (&JumpBuffer);
|
|
||||||
//
|
|
||||||
// The initial call to SetJump() must always return 0.
|
|
||||||
// Subsequent calls to LongJump() may cause a non-zero value to be returned by SetJump().
|
|
||||||
//
|
|
||||||
if (SetJumpFlag == 0) {
|
|
||||||
DEBUG ((EFI_D_ERROR, "SecSwitchStack+%d: Rsp: 0x%xL\n", __LINE__, JumpBuffer.Rsp));
|
|
||||||
JumpBuffer.Rsp =
|
|
||||||
(INTN)JumpBuffer.Rsp -
|
|
||||||
(INTN)TemporaryMemoryBase +
|
|
||||||
(INTN)PermanentMemoryBase;
|
|
||||||
MemoryFence ();
|
|
||||||
CopyMem((VOID*)PermanentMemoryBase, (VOID*)TemporaryMemoryBase, CopySize);
|
|
||||||
LongJump (&JumpBuffer, (UINTN)-1);
|
|
||||||
}
|
|
||||||
|
|
||||||
}
|
|
||||||
|
|
||||||
Loading…
x
Reference in New Issue
Block a user