133 lines
3.7 KiB
C
133 lines
3.7 KiB
C
/**
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Various helper functions.
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by dmazar
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**/
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/** For type to string conversion */
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extern CHAR16 *EfiMemoryTypeDesc[EfiMaxMemoryType];
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extern CHAR16 *EfiAllocateTypeDesc[MaxAllocateType];
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extern CHAR16 *EfiLocateSearchType[];
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extern EFI_GUID gVendorGuid;
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// MemMap reversed scan
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#define PREV_MEMORY_DESCRIPTOR(MemoryDescriptor, Size) \
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((EFI_MEMORY_DESCRIPTOR *)((UINT8 *)(MemoryDescriptor) - (Size)))
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/** Map of known guids and friendly names. Searchable with GuidStr() */
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typedef struct {
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EFI_GUID *Guid;
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CHAR16 *Str;
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} MAP_EFI_GUID_STR;
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#define EFI_DATA_HUB_PROTOCOL_GUID \
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{ 0xae80d021, 0x618e, 0x11d4, {0xbc, 0xd7, 0x0, 0x80, 0xc7, 0x3c, 0x88, 0x81 } }
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#define EFI_CONSOLE_CONTROL_PROTOCOL_GUID \
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{ 0xf42f7782, 0x12e, 0x4c12, {0x99, 0x56, 0x49, 0xf9, 0x43, 0x4, 0xf7, 0x21} }
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#define EFI_LEGACY_8259_PROTOCOL_GUID \
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{ 0x38321dba, 0x4fe0, 0x4e17, {0x8a, 0xec, 0x41, 0x30, 0x55, 0xea, 0xed, 0xc1} }
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extern EFI_GUID gEfiAppleBootGuid;
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/** Returns GUID as string, with friendly name for known guids. */
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CHAR16*
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EFIAPI
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GuidStr(IN EFI_GUID *Guid);
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/** Returns pointer to last Char in String or NULL. */
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CHAR16*
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EFIAPI
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GetStrLastChar(IN CHAR16 *String);
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/** Returns pointer to last occurence of Char in String or NULL. */
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CHAR16*
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EFIAPI
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GetStrLastCharOccurence(IN CHAR16 *String, IN CHAR16 Char);
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/** Returns upper case version of char - valid only for ASCII chars in unicode. */
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CHAR16
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EFIAPI
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ToUpperChar(IN CHAR16 Chr);
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/** Returns 0 if two strings are equal, !=0 otherwise. Compares just first 8 bits of chars (valid for ASCII), case insensitive. */
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UINTN
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EFIAPI
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StrCmpiBasic(IN CHAR16 *String1, IN CHAR16 *String2);
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/** Returns the first occurrence of a SearchString in a String.
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* Compares just first 8 bits of chars (valid for ASCII), case insensitive.
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*/
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CHAR16*
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EFIAPI
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StrStriBasic(IN CONST CHAR16 *String, IN CONST CHAR16 *SearchString);
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/** Returns TRUE if String1 starts with String2, FALSE otherwise. Compares just first 8 bits of chars (valid for ASCII), case insensitive. */
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BOOLEAN
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EFIAPI
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StriStartsWithBasic(IN CHAR16 *String1, IN CHAR16 *String2);
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/** Applies some fixes to mem map. */
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VOID EFIAPI
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FixMemMap(
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IN UINTN MemoryMapSize,
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IN EFI_MEMORY_DESCRIPTOR *MemoryMap,
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IN UINTN DescriptorSize,
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IN UINT32 DescriptorVersion
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);
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/** Shrinks mem map by joining EfiBootServicesCode and EfiBootServicesData records. */
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VOID EFIAPI
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ShrinkMemMap(
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IN UINTN *MemoryMapSize,
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IN EFI_MEMORY_DESCRIPTOR *MemoryMap,
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IN UINTN DescriptorSize,
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IN UINT32 DescriptorVersion
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);
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/** Prints mem map. */
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VOID EFIAPI
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PrintMemMap(
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IN UINTN MemoryMapSize,
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IN EFI_MEMORY_DESCRIPTOR *MemoryMap,
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IN UINTN DescriptorSize,
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IN UINT32 DescriptorVersion
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);
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/** Prints some values from Sys table and Runt. services. */
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VOID EFIAPI
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PrintSystemTable(IN EFI_SYSTEM_TABLE *ST);
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/** Prints Message and waits for a key press. */
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VOID
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WaitForKeyPress(CHAR16 *Message);
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/** Returns file path from FilePath device path in allocated memory. Mem should be released by caller.*/
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CHAR16 *
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EFIAPI
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FileDevicePathToText(EFI_DEVICE_PATH_PROTOCOL *FilePathProto);
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/** Helper function that calls GetMemoryMap(), allocates space for mem map and returns it. */
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EFI_STATUS
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EFIAPI
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GetMemoryMapAlloc (
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IN EFI_GET_MEMORY_MAP GetMemoryMapFunction,
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OUT UINTN *MemoryMapSize,
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OUT EFI_MEMORY_DESCRIPTOR **MemoryMap,
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OUT UINTN *MapKey,
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OUT UINTN *DescriptorSize,
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OUT UINT32 *DescriptorVersion
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);
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/** Alloctes Pages from the top of mem, up to address specified in Memory. Returns allocated address in Memory. */
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EFI_STATUS
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EFIAPI
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AllocatePagesFromTop(IN EFI_MEMORY_TYPE MemoryType, IN UINTN Pages, IN OUT EFI_PHYSICAL_ADDRESS *Memory);
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