diff options
| author | qwang12 <qwang12@6f19259b-4bc3-4df7-8a09-765794883524> | 2007-02-12 02:53:23 +0000 |
|---|---|---|
| committer | qwang12 <qwang12@6f19259b-4bc3-4df7-8a09-765794883524> | 2007-02-12 02:53:23 +0000 |
| commit | d958721a06dce3aa0fc941c115db86e3f91254f7 (patch) | |
| tree | 8d50534635c77090ce448928efad69c012729bfb /MdePkg/Library/UefiLib | |
| parent | 2f714ebf9ae8c680be7b6f19a2529b4a5e684577 (diff) | |
| download | edk2-platforms-d958721a06dce3aa0fc941c115db86e3f91254f7.tar.xz | |
1) Added BIT0, BIT1, …, BIT63 to the Base Defines
2) Added MIN() and MAX() macros to the Base Macros
3) Added StrStr(), StrDecimalToUnitn(), StrDecimalToUint64(), StrHexToUintn(), StrHexToUintn64(), UnicodeToAscii(), AsciiStrStr(), AsciiStrDecimalToUnitn(), AsciiStrDecimalToUint64(), AsciiStrHexToUintn(), AsciiStrHexToUintn64(), and AsciiToUnicode() to the Base Library String Functions
4) Added the Base Library Checksum Functions which include CalculateSum8(), CaclculateCheckSum8(), CalculateSum16(), CalculateChecksum16(), CalculateSum32(), CalculateCheckSum32(), CalculateSum64(), CalculateChecksum64().
5) Added MMIO Buffer functions to the I/O Library including MmioReadBuffer8(), MmioReadBuffer16(), MmioReadBuffer32(), MmioReadBuffer64(), MmioWriteBuffer8(), MmioWriteBuffer16(), MmioWriteBuffer32(), MmioWriteBuffer64().
6) Changed the parameter name from SizeOfValue to SizeOfBuffer in PcdSetPtr(), PcdSetPtrEx(), PatchPcdSetPtr(), LibPcdSetPtr(), LibPcdSetPtrEx(), LibPatchPcdSetPtr()
7) Added RADIX_HEX flag to the Print Library to support the conversion of values to hexadecimal strings in UnicodeValueToString() and AsciiValueToString()
8) Added EfiGetCurrentTpl() UEFI Library.
git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@2363 6f19259b-4bc3-4df7-8a09-765794883524
Diffstat (limited to 'MdePkg/Library/UefiLib')
| -rw-r--r-- | MdePkg/Library/UefiLib/UefiLib.c | 29 |
1 files changed, 29 insertions, 0 deletions
diff --git a/MdePkg/Library/UefiLib/UefiLib.c b/MdePkg/Library/UefiLib/UefiLib.c index a2dd6a8c12..765235c515 100644 --- a/MdePkg/Library/UefiLib/UefiLib.c +++ b/MdePkg/Library/UefiLib/UefiLib.c @@ -243,6 +243,34 @@ EfiNamedEventSignal ( return EFI_SUCCESS;
}
+/**
+ Returns the current TPL.
+
+ This function returns the current TPL. There is no EFI service to directly
+ retrieve the current TPL. Instead, the RaiseTPL() function is used to raise
+ the TPL to TPL_HIGH_LEVEL. This will return the current TPL. The TPL level
+ can then immediately be restored back to the current TPL level with a call
+ to RestoreTPL().
+
+ @param VOID
+
+ @retvale EFI_TPL The current TPL.
+
+**/
+EFI_TPL
+EFIAPI
+EfiGetCurrentTpl (
+ VOID
+ )
+{
+ EFI_TPL Tpl;
+
+ Tpl = gBS->RaiseTPL (EFI_TPL_HIGH_LEVEL);
+ gBS->RestoreTPL (Tpl);
+
+ return Tpl;
+}
+
/**
This function initializes a basic mutual exclusion lock to the released state
@@ -779,3 +807,4 @@ FreeUnicodeStringTable ( return EFI_SUCCESS;
}
+
|