2017-12-16 22:10:49 +01:00
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;*********************************************************************
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;* *
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;* UEFI library for fasm by bzt, Public Domain *
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;* *
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;*********************************************************************
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2020-10-06 05:32:57 +02:00
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2017-12-16 22:10:49 +01:00
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; EFI_MEMORY_TYPE
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EFI_RESERVED_MEMORY_TYPE = 0
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EFI_LOADER_CODE = 1
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EFI_LOADER_DATA = 2
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EFI_BOOT_SERVICES_CODE = 3
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EFI_BOOT_SERVICES_DATA = 4
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EFI_RUNTIME_SERVICES_CODE = 5
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EFI_RUNTIME_SERVICES_DATA = 6
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EFI_CONVENTIONAL_MEMORY = 7
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EFI_UNUSABLE_MEMORY = 8
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EFI_ACPI_RECLAIM_MEMORY = 9
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EFI_ACPI_MEMORY_NVS = 10
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EFI_MEMORY_MAPPED_IO = 11
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EFI_MEMORY_MAPPED_IO_PORT_SPACE = 12
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EFI_PAL_CODE = 13
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EFI_PERSISTENT_MEMORY = 14
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EFI_MAX_MEMORY_TYPE = 15
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2020-10-06 05:32:57 +02:00
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; EFI_ALLOCATE_TYPE
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EFI_ALLOCATE_ANY_PAGES = 0
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EFI_ALLOCATE_MAX_ADDRESS = 1
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EFI_ALLOCATE_ADDRESS = 2
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2017-12-16 22:10:49 +01:00
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EFI_MEMORY_UC = 0x0000000000000001
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EFI_MEMORY_WC = 0x0000000000000002
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EFI_MEMORY_WT = 0x0000000000000004
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EFI_MEMORY_WB = 0x0000000000000008
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EFI_MEMORY_UCE = 0x0000000000000010
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EFI_MEMORY_WP = 0x0000000000001000
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EFI_MEMORY_RP = 0x0000000000002000
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EFI_MEMORY_XP = 0x0000000000004000
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EFI_MEMORY_NV = 0x0000000000008000
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EFI_MEMORY_MORE_RELIABLE = 0x0000000000010000
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EFI_MEMORY_RO = 0x0000000000020000
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EFI_MEMORY_RUNTIME = 0x8000000000000000
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EFIERR = 0x8000000000000000
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EFI_SUCCESS = 0
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EFI_LOAD_ERROR = EFIERR or 1
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EFI_INVALID_PARAMETER = EFIERR or 2
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EFI_UNSUPPORTED = EFIERR or 3
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EFI_BAD_BUFFER_SIZE = EFIERR or 4
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EFI_BUFFER_TOO_SMALL = EFIERR or 5
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EFI_NOT_READY = EFIERR or 6
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EFI_DEVICE_ERROR = EFIERR or 7
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EFI_WRITE_PROTECTED = EFIERR or 8
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EFI_OUT_OF_RESOURCES = EFIERR or 9
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EFI_VOLUME_CORRUPTED = EFIERR or 10
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EFI_VOLUME_FULL = EFIERR or 11
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EFI_NO_MEDIA = EFIERR or 12
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EFI_MEDIA_CHANGED = EFIERR or 13
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EFI_NOT_FOUND = EFIERR or 14
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EFI_ACCESS_DENIED = EFIERR or 15
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EFI_NO_RESPONSE = EFIERR or 16
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EFI_NO_MAPPING = EFIERR or 17
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EFI_TIMEOUT = EFIERR or 18
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EFI_NOT_STARTED = EFIERR or 19
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EFI_ALREADY_STARTED = EFIERR or 20
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EFI_ABORTED = EFIERR or 21
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EFI_ICMP_ERROR = EFIERR or 22
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EFI_TFTP_ERROR = EFIERR or 23
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EFI_PROTOCOL_ERROR = EFIERR or 24
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2020-10-06 05:32:57 +02:00
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struct EFI_FILE_SYSTEM_INFO
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Size dq ?
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ReadOnly db ?
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rb 7
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VolumeSize dq ?
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FreeSpace dq ?
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BlockSize dd ?
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VolumeLabel rw 32
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ends
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EFI_FILE_SYSTEM_INFO_ID equ 0x93,0x6e,0x57,0x09,0x3f,0x6d,0xd2,0x11, \
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0x39,0x8e,0x00,0xa0,0xc9,0x69,0x72,0x3b
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2017-12-16 22:10:49 +01:00
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EFI_SYSTEM_TABLE_SIGNATURE equ 0x49,0x42,0x49,0x20,0x53,0x59,0x53,0x54
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struct EFI_TABLE_HEADER
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Signature dq ?
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Revision dd ?
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HeaderSize dd ?
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CRC32 dd ?
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Reserved dd ?
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ends
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2020-10-06 05:32:57 +02:00
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2017-12-16 22:10:49 +01:00
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struct EFI_SYSTEM_TABLE
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Hdr EFI_TABLE_HEADER
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FirmwareVendor dq ?
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FirmwareRevision dd ?
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dd ?
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ConsoleInHandle dq ?
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ConIn dq ?
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ConsoleOutHandle dq ?
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ConOut dq ?
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StandardErrorHandle dq ?
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StdErr dq ?
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RuntimeServices dq ?
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BootServices dq ?
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NumberOfTableEntries dq ?
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ConfigurationTable dq ?
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ends
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2020-10-06 05:32:57 +02:00
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2017-12-16 22:10:49 +01:00
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struct SIMPLE_TEXT_OUTPUT_INTERFACE
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Reset dq ?
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OutputString dq ?
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TestString dq ?
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QueryMode dq ?
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SetMode dq ?
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SetAttribute dq ?
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ClearScreen dq ?
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SetCursorPosition dq ?
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EnableCursor dq ?
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Mode dq ?
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ends
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2020-10-06 05:32:57 +02:00
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2017-12-16 22:10:49 +01:00
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struct SIMPLE_INPUT_INTERFACE
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Reset dq ?
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ReadKeyStroke dq ?
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WaitForKey dq ?
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ends
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2020-10-06 05:32:57 +02:00
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2017-12-16 22:10:49 +01:00
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struct EFI_BOOT_SERVICES_TABLE
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Hdr EFI_TABLE_HEADER
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RaisePriority dq ?
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RestorePriority dq ?
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AllocatePages dq ?
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FreePages dq ?
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GetMemoryMap dq ?
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AllocatePool dq ?
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FreePool dq ?
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CreateEvent dq ?
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SetTimer dq ?
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WaitForEvent dq ?
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SignalEvent dq ?
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CloseEvent dq ?
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CheckEvent dq ?
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InstallProtocolInterface dq ?
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ReInstallProtocolInterface dq ?
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UnInstallProtocolInterface dq ?
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HandleProtocol dq ?
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Void dq ?
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RegisterProtocolNotify dq ?
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LocateHandle dq ?
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LocateDevicePath dq ?
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InstallConfigurationTable dq ?
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ImageLoad dq ?
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ImageStart dq ?
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Exit dq ?
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ImageUnLoad dq ?
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ExitBootServices dq ?
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GetNextMonotonicCount dq ?
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Stall dq ?
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SetWatchdogTimer dq ?
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ConnectController dq ?
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DisConnectController dq ?
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OpenProtocol dq ?
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CloseProtocol dq ?
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OpenProtocolInformation dq ?
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ProtocolsPerHandle dq ?
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LocateHandleBuffer dq ?
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LocateProtocol dq ?
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InstallMultipleProtocolInterfaces dq ?
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UnInstallMultipleProtocolInterfaces dq ?
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CalculateCrc32 dq ?
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CopyMem dq ?
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SetMem dq ?
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ends
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2020-10-06 05:32:57 +02:00
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2017-12-16 22:10:49 +01:00
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struct EFI_RUNTIME_SERVICES_TABLE
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Hdr EFI_TABLE_HEADER
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GetTime dq ?
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SetTime dq ?
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GetWakeUpTime dq ?
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SetWakeUpTime dq ?
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SetVirtualAddressMap dq ?
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ConvertPointer dq ?
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GetVariable dq ?
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GetNextVariableName dq ?
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SetVariable dq ?
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GetNextHighMonoCount dq ?
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ResetSystem dq ?
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ends
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2020-10-06 05:32:57 +02:00
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2017-12-16 22:10:49 +01:00
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struct EFI_TIME
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Year dw ?
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Month db ?
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Day db ?
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Hour db ?
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Minute db ?
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Second db ?
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Pad1 db ?
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Nanosecond dd ?
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TimeZone dw ?
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Daylight db ?
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Pad2 db ?
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sizeof db ?
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ends
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2020-10-06 05:32:57 +02:00
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EFI_SIMPLE_FILE_SYSTEM_PROTOCOL_GUID equ 0x22,0x5b,0x4e,0x96,0x59,0x64,0xd2,0x11, \
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0x8e,0x39,0x00,0xa0,0xc9,0x69,0x72,0x3b
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struct EFI_SIMPLE_FILE_SYSTEM_PROTOCOL
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Revision dq ?
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OpenVolume dq ?
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ends
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EFI_FILE_MODE_READ = 1
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EFI_FILE_MODE_WRITE = 2
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EFI_FILE_MODE_CREATE = 0x8000000000000000
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struct EFI_FILE_PROTOCOL
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Revision dq ?
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Open dq ?
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Close dq ?
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Delete dq ?
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Read dq ?
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Write dq ?
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GetPosition dq ?
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SetPosition dq ?
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GetInfo dq ?
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SetInfo dq ?
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Flush dq ?
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OpenEx dq ?
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ReadEx dq ?
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WriteEx dq ?
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FlushEx dq ?
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ends
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EFI_LOADED_IMAGE_PROTOCOL_GUID equ 0xA1,0x31,0x1b,0x5b,0x62,0x95,0xd2,0x11, \
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0x8E,0x3F,0x00,0xA0,0xC9,0x69,0x72,0x3B
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2017-12-16 22:10:49 +01:00
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struct EFI_LOADED_IMAGE_PROTOCOL
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Revision dd ?
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dd ?
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ParentHandle dq ?
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SystemTable dq ?
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DeviceHandle dq ?
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FilePath dq ?
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Reserved dq ?
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LoadOptionsSize dd ?
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dd ?
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ImageBase dq ?
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ImageSize dq ?
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ImageCodeType dd ?
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ImageDataType dd ?
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UnLoad dq ?
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ends
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2020-10-06 05:32:57 +02:00
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EFI_BLOCK_IO_PROTOCOL_GUID equ 0x21,0x5b,0x4e,0x96,0x59,0x64,0xd2,0x11, \
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0x8e,0x39,0x00,0xa0,0xc9,0x69,0x72,0x3b
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2017-12-16 22:10:49 +01:00
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struct EFI_BLOCK_IO_PROTOCOL
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Revision dq ?
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Media dq ?
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Reset dq ?
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ReadBlocks dq ?
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WriteBlocks dq ?
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FlushBlocks dq ?
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ends
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2020-10-06 05:32:57 +02:00
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2017-12-16 22:10:49 +01:00
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struct EFI_BLOCK_IO_MEDIA
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MediaId dd ?
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RemovableMedia db ?
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MediaPresent db ?
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LogicalPartition db ?
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ReadOnly db ?
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WriteCaching db ?
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rb 3
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BlockSize dd ?
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IoAlign dd ?
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LastBlock dq ?
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ends
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2020-10-06 05:32:57 +02:00
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EFI_GRAPHICS_OUTPUT_PROTOCOL_GUID equ 0xde,0xa9,0x42,0x90,0xdc,0x23,0x38,0x4a, \
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0x96,0xfb,0x7a,0xde,0xd0,0x80,0x51,0x6a
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2017-12-16 22:10:49 +01:00
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struct EFI_GRAPHICS_OUTPUT_PROTOCOL
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QueryMode dq ?
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SetMode dq ?
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Blt dq ?
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Mode dq ?
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ends
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2020-10-06 05:32:57 +02:00
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2017-12-16 22:10:49 +01:00
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struct EFI_GRAPHICS_OUTPUT_PROTOCOL_MODE
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MaxMode dd ?
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Mode dd ?
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nfo dq ?
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SizeOfInfo dq ?
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FrameBufferBase dq ?
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FrameBufferSize dq ?
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ends
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2020-10-06 05:32:57 +02:00
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2017-12-16 22:10:49 +01:00
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struct EFI_GRAPHICS_OUTPUT_MODE_INFORMATION
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Version dd ?
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HorizontalResolution dd ?
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VerticalResolution dd ?
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PixelFormat dd ?
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RedMask dd ?
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GreenMask dd ?
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BlueMask dd ?
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Reserved dd ?
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PixelsPerScanLine dd ?
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ends
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;---macros to make life easier---
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;call it early, after entry point is the best
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macro InitializeLib
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{
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clc
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test rdx, rdx
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jz .badout
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cmp dword[rdx], 'IBI ' ; 20494249h
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jz @f
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.badout:
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xor ecx, ecx
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xor edx, edx
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stc
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@@:
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mov [efi_handler], rcx ; ImageHandle
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mov [efi_ptr], rdx ; pointer to SystemTable
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}
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2020-10-06 05:32:57 +02:00
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2017-12-16 22:10:49 +01:00
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;invoke an UEFI function
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2020-10-06 05:32:57 +02:00
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macro eficall interface,function,arg1,arg2,arg3,arg4,arg5,arg6,arg7,arg8,arg9,arg10,arg11
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2017-12-16 22:10:49 +01:00
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{
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numarg = 0
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if ~ arg11 eq
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numarg = numarg + 1
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if ~ arg11 eq rdi
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mov rdi, arg11
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end if
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end if
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if ~ arg10 eq
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numarg = numarg + 1
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if ~ arg10 eq rsi
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mov rsi, arg10
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end if
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end if
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if ~ arg9 eq
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numarg = numarg + 1
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if ~ arg9 eq r14
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mov r14, arg9
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end if
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end if
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if ~ arg8 eq
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numarg = numarg + 1
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if ~ arg8 eq r13
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mov r13, arg8
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end if
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end if
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if ~ arg7 eq
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numarg = numarg + 1
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if ~ arg7 eq r12
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mov r12, arg7
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|
|
|
end if
|
|
|
|
end if
|
|
|
|
|
|
|
|
if ~ arg6 eq
|
|
|
|
numarg = numarg + 1
|
|
|
|
if ~ arg6 eq r11
|
|
|
|
mov r11, arg6
|
|
|
|
end if
|
|
|
|
end if
|
|
|
|
|
|
|
|
if ~ arg5 eq
|
|
|
|
numarg = numarg + 1
|
|
|
|
if ~ arg5 eq r10
|
|
|
|
mov r10, arg5
|
|
|
|
end if
|
|
|
|
end if
|
|
|
|
|
|
|
|
if ~ arg4 eq
|
|
|
|
numarg = numarg + 1
|
|
|
|
if ~ arg4 eq r9
|
|
|
|
mov r9, arg4
|
|
|
|
end if
|
|
|
|
end if
|
|
|
|
|
|
|
|
if ~ arg3 eq
|
|
|
|
numarg = numarg + 1
|
|
|
|
if ~ arg3 eq r8
|
|
|
|
mov r8, arg3
|
|
|
|
end if
|
|
|
|
end if
|
|
|
|
|
|
|
|
if ~ arg2 eq
|
|
|
|
numarg = numarg + 1
|
|
|
|
if ~ arg2 eq rdx
|
|
|
|
mov rdx, arg2
|
|
|
|
end if
|
|
|
|
end if
|
|
|
|
|
|
|
|
if ~ arg1 eq
|
|
|
|
numarg = numarg + 1
|
|
|
|
if ~ arg1 eq rcx
|
|
|
|
if ~ arg1 in <ConsoleInHandle,ConIn,ConsoleOutHandle,ConOut,StandardErrorHandle,StdErr,RuntimeServices,BootServices>
|
|
|
|
mov rcx, arg1
|
|
|
|
end if
|
|
|
|
end if
|
|
|
|
end if
|
|
|
|
|
|
|
|
xor rax, rax
|
|
|
|
mov al, numarg
|
|
|
|
|
|
|
|
if interface in <ConsoleInHandle,ConIn,ConsoleOutHandle,ConOut,StandardErrorHandle,StdErr,RuntimeServices,BootServices>
|
|
|
|
mov rbx, [efi_ptr]
|
|
|
|
mov rbx, [rbx + EFI_SYSTEM_TABLE.#interface]
|
|
|
|
else
|
|
|
|
if ~ interface eq rbx
|
|
|
|
mov rbx, interface
|
|
|
|
end if
|
|
|
|
end if
|
|
|
|
|
|
|
|
if arg1 in <ConsoleInHandle,ConIn,ConsoleOutHandle,ConOut,StandardErrorHandle,StdErr,RuntimeServices,BootServices>
|
|
|
|
mov rcx, rbx
|
|
|
|
end if
|
|
|
|
|
|
|
|
if defined SIMPLE_INPUT_INTERFACE.#function
|
|
|
|
mov rbx, [rbx + SIMPLE_INPUT_INTERFACE.#function]
|
|
|
|
else
|
|
|
|
if defined SIMPLE_TEXT_OUTPUT_INTERFACE.#function
|
|
|
|
mov rbx, [rbx + SIMPLE_TEXT_OUTPUT_INTERFACE.#function]
|
|
|
|
else
|
|
|
|
if defined EFI_BOOT_SERVICES_TABLE.#function
|
|
|
|
mov rbx, [rbx + EFI_BOOT_SERVICES_TABLE.#function]
|
|
|
|
else
|
|
|
|
if defined EFI_RUNTIME_SERVICES_TABLE.#function
|
|
|
|
mov rbx, [rbx + EFI_RUNTIME_SERVICES_TABLE.#function]
|
|
|
|
else
|
|
|
|
if defined EFI_GRAPHICS_OUTPUT_PROTOCOL.#function
|
|
|
|
mov rbx, [rbx + EFI_GRAPHICS_OUTPUT_PROTOCOL.#function]
|
|
|
|
else
|
|
|
|
if defined EFI_GRAPHICS_OUTPUT_PROTOCOL_MODE.#function
|
|
|
|
mov rbx, [rbx + EFI_GRAPHICS_OUTPUT_PROTOCOL_MODE.#function]
|
|
|
|
else
|
|
|
|
mov rbx, [rbx + function]
|
|
|
|
end if
|
|
|
|
end if
|
|
|
|
end if
|
|
|
|
end if
|
|
|
|
end if
|
|
|
|
end if
|
|
|
|
call uefifunc
|
|
|
|
}
|
2020-10-06 05:32:57 +02:00
|
|
|
|
2017-12-16 22:10:49 +01:00
|
|
|
;*********************************************************************
|
|
|
|
;* Library functions *
|
|
|
|
;*********************************************************************
|
2020-10-06 05:32:57 +02:00
|
|
|
|
2017-12-16 22:10:49 +01:00
|
|
|
section '.text' code executable readable
|
2020-10-06 05:32:57 +02:00
|
|
|
|
2017-12-16 22:10:49 +01:00
|
|
|
uefifunc:
|
|
|
|
;save stack pointer
|
|
|
|
mov qword [uefi_rsptmp], rsp
|
|
|
|
;set up new aligned stack
|
|
|
|
and esp, 0xFFFFFFF0
|
|
|
|
;alignment check on arguments
|
|
|
|
bt eax, 0
|
|
|
|
jnc @f
|
|
|
|
push rax
|
|
|
|
;arguments
|
|
|
|
@@:
|
|
|
|
cmp al, 11
|
|
|
|
jb @f
|
|
|
|
push rdi
|
|
|
|
@@:
|
|
|
|
cmp al, 10
|
|
|
|
jb @f
|
|
|
|
push rsi
|
|
|
|
@@:
|
|
|
|
cmp al, 9
|
|
|
|
jb @f
|
|
|
|
push r14
|
|
|
|
@@:
|
|
|
|
cmp al, 8
|
|
|
|
jb @f
|
|
|
|
push r13
|
|
|
|
@@:
|
|
|
|
cmp al, 7
|
|
|
|
jb @f
|
|
|
|
push r12
|
|
|
|
@@:
|
|
|
|
cmp al, 6
|
|
|
|
jb @f
|
|
|
|
push r11
|
|
|
|
@@:
|
|
|
|
cmp al, 5
|
|
|
|
jb @f
|
|
|
|
push r10
|
|
|
|
@@:
|
|
|
|
;space for
|
|
|
|
;r9
|
|
|
|
;r8
|
|
|
|
;rdx
|
|
|
|
;rcx
|
|
|
|
sub rsp, 4*8
|
|
|
|
;call function
|
|
|
|
call rbx
|
|
|
|
;restore old stack
|
|
|
|
mov rsp, qword [uefi_rsptmp]
|
|
|
|
ret
|
2020-10-06 05:32:57 +02:00
|
|
|
|
2017-12-16 22:10:49 +01:00
|
|
|
section '.data' data readable writeable
|
|
|
|
efi_handler dq 0
|
|
|
|
efi_ptr dq 0
|
|
|
|
uefi_rsptmp dq 0
|