efi: add experimental efi bootloader

this is basically a port of 9boot to EFI. theres
support for IA32 (386) and X64 (amd64).

has been tested only under qemu with OVMF so far.

1 files changed, 270 insertions, 0 deletions

diff --git a/sys/src/boot/efi/efi.h b/sys/src/boot/efi/efi.h
new file mode 100644
index 000000000..60ba31c3b
--- /dev/null
+++ b/sys/src/boot/efi/efi.h
@@ -0,0 +1,270 @@
+typedef ushort	CHAR16;
+
+typedef uchar	UINT8;
+typedef ushort	UINT16;
+typedef ulong	UINT32;
+typedef uvlong	UINT64;
+
+typedef uintptr	UINTN;
+
+typedef void*	EFI_HANDLE;
+typedef UINT32	EFI_STATUS;
+
+typedef struct {
+	UINT32		Data1;
+	UINT16		Data2;
+	UINT16		Data3;
+	UINT8		Data4[8];
+} EFI_GUID;
+
+typedef struct {
+	UINT16		ScanCode;
+	CHAR16		UnicodeChar;
+} EFI_INPUT_KEY;
+
+typedef struct {
+	void		*Reset;
+	void		*ReadKeyStroke;
+	void		*WaitForKey;
+} EFI_SIMPLE_TEXT_INPUT_PROTOCOL;
+
+typedef struct {
+	void		*Reset;
+	void		*OutputString;
+	void		*TestString;
+	void		*QueryMode;
+	void		*SetMode;
+	void		*SetAttribute;
+	void		*ClearScreen;
+	void		*SetCursorPosition;
+	void		*EnableCursor;
+	void		*Mode;
+} EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL;
+
+typedef struct {
+	UINT32		RedMask;
+	UINT32		GreenMask;
+	UINT32		BlueMask;
+	UINT32		ReservedMask;
+} EFI_PIXEL_BITMASK;
+
+typedef struct {
+	UINT32		Version;
+	UINT32		HorizontalResolution;
+	UINT32		VerticalResolution;
+	UINT32		PixelFormat;
+	EFI_PIXEL_BITMASK	PixelInformation;
+	UINT32		PixelsPerScanLine;
+} EFI_GRAPHICS_OUTPUT_MODE_INFORMATION;
+
+typedef struct {
+	UINT32		MaxMode;
+	UINT32		Mode;
+	EFI_GRAPHICS_OUTPUT_MODE_INFORMATION *Info;
+	UINTN		SizeOfInfo;
+	UINT64		FrameBufferBase;
+	UINTN		FrameBufferSize;
+} EFI_GRAPHICS_OUTPUT_PROTOCOL_MODE;
+
+typedef struct {
+	void		*QueryMode;
+	void		*SetMode;
+	void		*Blt;
+	EFI_GRAPHICS_OUTPUT_PROTOCOL_MODE *Mode;
+} EFI_GRAPHICS_OUTPUT_PROTOCOL;
+
+EFI_GUID EFI_GRAPHICS_OUTPUT_PROTOCOL_GUID = {
+	0x9042a9de, 0x23dc, 0x4a38,
+	0x96, 0xfb, 0x7a, 0xde,
+	0xd0, 0x80, 0x51, 0x6a,
+};
+
+typedef struct {
+	UINT64		Revision;
+	void		*Open;
+	void		*Close;
+	void		*Delete;
+	void		*Read;
+	void		*Write;
+	void		*GetPosition;
+	void		*SetPosition;
+	void		*GetInfo;
+	void		*SetInfo;
+	void		*Flush;
+	void		*OpenEx;
+	void		*ReadEx;
+	void		*WriteEx;
+	void		*FlushEx;
+} EFI_FILE_PROTOCOL;
+
+typedef struct {
+	UINT64		Revision;
+	void		*OpenVolume;
+} EFI_SIMPLE_FILE_SYSTEM_PROTOCOL;
+
+EFI_GUID EFI_SIMPLE_FILE_SYSTEM_PROTOCOL_GUID = {
+	0x0964e5b22, 0x6459, 0x11d2,
+	0x8e, 0x39, 0x00, 0xa0,
+	0xc9, 0x69, 0x72, 0x3b,
+};
+
+enum {
+	EfiReservedMemoryType,
+	EfiLoaderCode,
+	EfiLoaderData,
+	EfiBootServicesCode,
+	EfiBootServicesData,
+	EfiRuntimeServicesCode,
+	EfiRuntimeServicesData,
+	EfiConventionalMemory,
+	EfiUnusableMemory,
+	EfiACPIReclaimMemory,
+	EfiACPIMemoryNVS,
+	EfiMemoryMappedIO,
+	EfiMemoryMappedIOPortSpace,
+	EfiPalCode,
+	EfiMaxMemoryType,
+};
+
+typedef struct {
+	UINT32		Type;
+	UINT32		Reserved;
+	UINT64		PhysicalStart;
+	UINT64		VirtualStart;
+	UINT64		NumberOfPages;
+	UINT64		Attribute;
+} EFI_MEMORY_DESCRIPTOR;
+
+
+typedef struct {
+	UINT64	Signature;
+	UINT32	Revision;
+	UINT32	HeaderSize;
+	UINT32	CRC32;
+	UINT32	Reserved;
+} EFI_TABLE_HEADER;
+
+typedef struct {
+	EFI_TABLE_HEADER;
+
+	void		*RaiseTPL;
+	void		*RestoreTPL;
+	void		*AllocatePages;
+	void		*FreePages;
+	void		*GetMemoryMap;
+	void		*AllocatePool;
+	void		*FreePool;
+
+	void		*CreateEvent;
+	void		*SetTimer;
+	void		*WaitForEvent;
+	void		*SignalEvent;
+	void		*CloseEvent;
+	void		*CheckEvent;
+
+	void		**InstallProtocolInterface;
+	void		**ReinstallProtocolInterface;
+	void		**UninstallProtocolInterface;
+
+	void		*HandleProtocol;
+	void		*Reserved;
+	void		*RegisterProtocolNotify;
+
+	void		*LocateHandle;
+	void		*LocateDevicePath;
+	void		*InstallConfigurationTable;
+
+	void		*LoadImage;
+	void		*StartImage;
+	void		*Exit;
+	void		*UnloadImage;
+	void		*ExitBootServices;
+
+	void		*GetNextMonotonicCount;
+	void		*Stall;
+	void		*SetWatchdogTimer;
+
+	void		*ConnectController;
+	void		*DisconnectController;
+
+	void		*OpenProtocol;
+	void		*CloseProtocol;
+
+	void		*OpenProtocolInformation;
+	void		*ProtocolsPerHandle;
+	void		*LocateHandleBuffer;
+	void		*LocateProtocol;
+
+	void		*InstallMultipleProtocolInterfaces;
+	void		*UninstallMultipleProtocolInterfaces;
+
+	void		*CalculateCrc32;
+
+	void		*CopyMem;
+	void		*SetMem;
+	void		*CreateEventEx;
+} EFI_BOOT_SERVICES;
+
+typedef struct {
+	EFI_TABLE_HEADER;
+
+	void		*GetTime;
+	void		*SetTime;
+	void		*GetWakeupTime;
+	void		*SetWakeupTime;
+
+	void		*SetVirtualAddressMap;
+	void		*ConvertPointer;
+
+	void		*GetVariable;
+	void		*GetNextVariableName;
+	void		*SetVariable;
+
+	void		*GetNextHighMonotonicCount;
+	void		*ResetSystem;
+
+	void		*UpdateCapsule;
+	void		*QueryCapsuleCapabilities;
+
+	void		*QueryVariableInfo;
+} EFI_RUNTIME_SERVICES;
+
+
+EFI_GUID ACPI_20_TABLE_GUID = {
+	0x8868e871, 0xe4f1, 0x11d3,
+	0xbc, 0x22, 0x00, 0x80,
+	0xc7, 0x3c, 0x88, 0x81,
+};
+
+EFI_GUID ACPI_10_TABLE_GUID = {
+	0xeb9d2d30, 0x2d88, 0x11d3,
+	0x9a, 0x16, 0x00, 0x90,
+	0x27, 0x3f, 0xc1, 0x4d,
+};
+
+typedef struct {
+	EFI_GUID	VendorGuid;
+	void		*VendorTable;
+} EFI_CONFIGURATION_TABLE;
+
+typedef struct {
+	EFI_TABLE_HEADER;
+
+	CHAR16		*FirmwareVendor;
+	UINT32		FirmwareRevision;
+
+	EFI_HANDLE	ConsoleInHandle;
+	EFI_SIMPLE_TEXT_INPUT_PROTOCOL	*ConIn;
+
+	EFI_HANDLE	ConsoleOutHandle;
+	EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL	*ConOut;
+
+	EFI_HANDLE	StandardErrorHandle;
+	EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL	*StdErr;
+
+	EFI_RUNTIME_SERVICES	*RuntimeServices;
+	EFI_BOOT_SERVICES	*BootServices;
+
+	UINTN			NumberOfTableEntries;
+	EFI_CONFIGURATION_TABLE	*ConfigurationTable;
+} EFI_SYSTEM_TABLE;