X-Git-Url: https://git.proxmox.com/?p=mirror_edk2.git;a=blobdiff_plain;f=MdePkg%2FInclude%2FLibrary%2FBaseLib.h;h=eb2899f8524e7a8e1856d68f0c25ced58c4253fb;hp=ca90c0323b9b47975c1b93aa594db016b1cf104e;hb=8596c140907ebfeabf62427686280666a4e04893;hpb=77f863ee03d516d61d9af9141a1b63da169128a3
diff --git a/MdePkg/Include/Library/BaseLib.h b/MdePkg/Include/Library/BaseLib.h
index ca90c0323b..eb2899f852 100644
--- a/MdePkg/Include/Library/BaseLib.h
+++ b/MdePkg/Include/Library/BaseLib.h
@@ -1,12 +1,13 @@
/** @file
Provides string functions, linked list functions, math functions, synchronization
- functions, and CPU architecture specific functions.
+ functions, file path functions, and CPU architecture-specific functions.
-Copyright (c) 2006 - 2008, Intel Corporation
-All rights reserved. This program and the accompanying materials
+Copyright (c) 2006 - 2017, Intel Corporation. All rights reserved.
+Portions copyright (c) 2008 - 2009, Apple Inc. All rights reserved.
+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
+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.
@@ -16,17 +17,12 @@ WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
#ifndef __BASE_LIB__
#define __BASE_LIB__
-///
-/// Definitions for SPIN_LOCK
-///
-typedef volatile UINTN SPIN_LOCK;
-
//
-// Definitions for architecture specific types
+// Definitions for architecture-specific types
//
#if defined (MDE_CPU_IA32)
///
-/// IA32 context buffer used by SetJump() and LongJump()
+/// The IA-32 architecture context buffer used by SetJump() and LongJump().
///
typedef struct {
UINT32 Ebx;
@@ -44,7 +40,7 @@ typedef struct {
#if defined (MDE_CPU_IPF)
///
-/// IPF context buffer used by SetJump() and LongJump()
+/// The Itanium architecture context buffer used by SetJump() and LongJump().
///
typedef struct {
UINT64 F2[2];
@@ -93,7 +89,7 @@ typedef struct {
#if defined (MDE_CPU_X64)
///
-/// x64 context buffer used by SetJump() and LongJump()
+/// The x64 architecture context buffer used by SetJump() and LongJump().
///
typedef struct {
UINT64 Rbx;
@@ -106,6 +102,8 @@ typedef struct {
UINT64 R14;
UINT64 R15;
UINT64 Rip;
+ UINT64 MxCsr;
+ UINT8 XmmBuffer[160]; ///< XMM6-XMM15.
} BASE_LIBRARY_JUMP_BUFFER;
#define BASE_LIBRARY_JUMP_BUFFER_ALIGNMENT 8
@@ -114,7 +112,7 @@ typedef struct {
#if defined (MDE_CPU_EBC)
///
-/// EBC context buffer used by SetJump() and LongJump()
+/// The EBC context buffer used by SetJump() and LongJump().
///
typedef struct {
UINT64 R0;
@@ -128,11 +126,930 @@ typedef struct {
#endif // defined (MDE_CPU_EBC)
+#if defined (MDE_CPU_ARM)
+
+typedef struct {
+ UINT32 R3; ///< A copy of R13.
+ UINT32 R4;
+ UINT32 R5;
+ UINT32 R6;
+ UINT32 R7;
+ UINT32 R8;
+ UINT32 R9;
+ UINT32 R10;
+ UINT32 R11;
+ UINT32 R12;
+ UINT32 R14;
+} BASE_LIBRARY_JUMP_BUFFER;
+
+#define BASE_LIBRARY_JUMP_BUFFER_ALIGNMENT 4
+
+#endif // defined (MDE_CPU_ARM)
+
+#if defined (MDE_CPU_AARCH64)
+typedef struct {
+ // GP regs
+ UINT64 X19;
+ UINT64 X20;
+ UINT64 X21;
+ UINT64 X22;
+ UINT64 X23;
+ UINT64 X24;
+ UINT64 X25;
+ UINT64 X26;
+ UINT64 X27;
+ UINT64 X28;
+ UINT64 FP;
+ UINT64 LR;
+ UINT64 IP0;
+
+ // FP regs
+ UINT64 D8;
+ UINT64 D9;
+ UINT64 D10;
+ UINT64 D11;
+ UINT64 D12;
+ UINT64 D13;
+ UINT64 D14;
+ UINT64 D15;
+} BASE_LIBRARY_JUMP_BUFFER;
+
+#define BASE_LIBRARY_JUMP_BUFFER_ALIGNMENT 8
+
+#endif // defined (MDE_CPU_AARCH64)
+
+
//
// String Services
//
+
+/**
+ Returns the length of a Null-terminated Unicode string.
+
+ This function is similar as strlen_s defined in C11.
+
+ If String is not aligned on a 16-bit boundary, then ASSERT().
+
+ @param String A pointer to a Null-terminated Unicode string.
+ @param MaxSize The maximum number of Destination Unicode
+ char, including terminating null char.
+
+ @retval 0 If String is NULL.
+ @retval MaxSize If there is no null character in the first MaxSize characters of String.
+ @return The number of characters that percede the terminating null character.
+
+**/
+UINTN
+EFIAPI
+StrnLenS (
+ IN CONST CHAR16 *String,
+ IN UINTN MaxSize
+ );
+
+/**
+ Returns the size of a Null-terminated Unicode string in bytes, including the
+ Null terminator.
+
+ This function returns the size of the Null-terminated Unicode string
+ specified by String in bytes, including the Null terminator.
+
+ If String is not aligned on a 16-bit boundary, then ASSERT().
+
+ @param String A pointer to a Null-terminated Unicode string.
+ @param MaxSize The maximum number of Destination Unicode
+ char, including the Null terminator.
+
+ @retval 0 If String is NULL.
+ @retval (sizeof (CHAR16) * (MaxSize + 1))
+ If there is no Null terminator in the first MaxSize characters of
+ String.
+ @return The size of the Null-terminated Unicode string in bytes, including
+ the Null terminator.
+
+**/
+UINTN
+EFIAPI
+StrnSizeS (
+ IN CONST CHAR16 *String,
+ IN UINTN MaxSize
+ );
+
+/**
+ Copies the string pointed to by Source (including the terminating null char)
+ to the array pointed to by Destination.
+
+ This function is similar as strcpy_s defined in C11.
+
+ If Destination is not aligned on a 16-bit boundary, then ASSERT().
+ If Source is not aligned on a 16-bit boundary, then ASSERT().
+ If an error would be returned, then the function will also ASSERT().
+
+ If an error is returned, then the Destination is unmodified.
+
+ @param Destination A pointer to a Null-terminated Unicode string.
+ @param DestMax The maximum number of Destination Unicode
+ char, including terminating null char.
+ @param Source A pointer to a Null-terminated Unicode string.
+
+ @retval RETURN_SUCCESS String is copied.
+ @retval RETURN_BUFFER_TOO_SMALL If DestMax is NOT greater than StrLen(Source).
+ @retval RETURN_INVALID_PARAMETER If Destination is NULL.
+ If Source is NULL.
+ If PcdMaximumUnicodeStringLength is not zero,
+ and DestMax is greater than
+ PcdMaximumUnicodeStringLength.
+ If DestMax is 0.
+ @retval RETURN_ACCESS_DENIED If Source and Destination overlap.
+**/
+RETURN_STATUS
+EFIAPI
+StrCpyS (
+ OUT CHAR16 *Destination,
+ IN UINTN DestMax,
+ IN CONST CHAR16 *Source
+ );
+
+/**
+ Copies not more than Length successive char from the string pointed to by
+ Source to the array pointed to by Destination. If no null char is copied from
+ Source, then Destination[Length] is always set to null.
+
+ This function is similar as strncpy_s defined in C11.
+
+ If Length > 0 and Destination is not aligned on a 16-bit boundary, then ASSERT().
+ If Length > 0 and Source is not aligned on a 16-bit boundary, then ASSERT().
+ If an error would be returned, then the function will also ASSERT().
+
+ If an error is returned, then the Destination is unmodified.
+
+ @param Destination A pointer to a Null-terminated Unicode string.
+ @param DestMax The maximum number of Destination Unicode
+ char, including terminating null char.
+ @param Source A pointer to a Null-terminated Unicode string.
+ @param Length The maximum number of Unicode characters to copy.
+
+ @retval RETURN_SUCCESS String is copied.
+ @retval RETURN_BUFFER_TOO_SMALL If DestMax is NOT greater than
+ MIN(StrLen(Source), Length).
+ @retval RETURN_INVALID_PARAMETER If Destination is NULL.
+ If Source is NULL.
+ If PcdMaximumUnicodeStringLength is not zero,
+ and DestMax is greater than
+ PcdMaximumUnicodeStringLength.
+ If DestMax is 0.
+ @retval RETURN_ACCESS_DENIED If Source and Destination overlap.
+**/
+RETURN_STATUS
+EFIAPI
+StrnCpyS (
+ OUT CHAR16 *Destination,
+ IN UINTN DestMax,
+ IN CONST CHAR16 *Source,
+ IN UINTN Length
+ );
+
+/**
+ Appends a copy of the string pointed to by Source (including the terminating
+ null char) to the end of the string pointed to by Destination.
+
+ This function is similar as strcat_s defined in C11.
+
+ If Destination is not aligned on a 16-bit boundary, then ASSERT().
+ If Source is not aligned on a 16-bit boundary, then ASSERT().
+ If an error would be returned, then the function will also ASSERT().
+
+ If an error is returned, then the Destination is unmodified.
+
+ @param Destination A pointer to a Null-terminated Unicode string.
+ @param DestMax The maximum number of Destination Unicode
+ char, including terminating null char.
+ @param Source A pointer to a Null-terminated Unicode string.
+
+ @retval RETURN_SUCCESS String is appended.
+ @retval RETURN_BAD_BUFFER_SIZE If DestMax is NOT greater than
+ StrLen(Destination).
+ @retval RETURN_BUFFER_TOO_SMALL If (DestMax - StrLen(Destination)) is NOT
+ greater than StrLen(Source).
+ @retval RETURN_INVALID_PARAMETER If Destination is NULL.
+ If Source is NULL.
+ If PcdMaximumUnicodeStringLength is not zero,
+ and DestMax is greater than
+ PcdMaximumUnicodeStringLength.
+ If DestMax is 0.
+ @retval RETURN_ACCESS_DENIED If Source and Destination overlap.
+**/
+RETURN_STATUS
+EFIAPI
+StrCatS (
+ IN OUT CHAR16 *Destination,
+ IN UINTN DestMax,
+ IN CONST CHAR16 *Source
+ );
+
+/**
+ Appends not more than Length successive char from the string pointed to by
+ Source to the end of the string pointed to by Destination. If no null char is
+ copied from Source, then Destination[StrLen(Destination) + Length] is always
+ set to null.
+
+ This function is similar as strncat_s defined in C11.
+
+ If Destination is not aligned on a 16-bit boundary, then ASSERT().
+ If Source is not aligned on a 16-bit boundary, then ASSERT().
+ If an error would be returned, then the function will also ASSERT().
+
+ If an error is returned, then the Destination is unmodified.
+
+ @param Destination A pointer to a Null-terminated Unicode string.
+ @param DestMax The maximum number of Destination Unicode
+ char, including terminating null char.
+ @param Source A pointer to a Null-terminated Unicode string.
+ @param Length The maximum number of Unicode characters to copy.
+
+ @retval RETURN_SUCCESS String is appended.
+ @retval RETURN_BAD_BUFFER_SIZE If DestMax is NOT greater than
+ StrLen(Destination).
+ @retval RETURN_BUFFER_TOO_SMALL If (DestMax - StrLen(Destination)) is NOT
+ greater than MIN(StrLen(Source), Length).
+ @retval RETURN_INVALID_PARAMETER If Destination is NULL.
+ If Source is NULL.
+ If PcdMaximumUnicodeStringLength is not zero,
+ and DestMax is greater than
+ PcdMaximumUnicodeStringLength.
+ If DestMax is 0.
+ @retval RETURN_ACCESS_DENIED If Source and Destination overlap.
+**/
+RETURN_STATUS
+EFIAPI
+StrnCatS (
+ IN OUT CHAR16 *Destination,
+ IN UINTN DestMax,
+ IN CONST CHAR16 *Source,
+ IN UINTN Length
+ );
+
+/**
+ Convert a Null-terminated Unicode decimal string to a value of type UINTN.
+
+ This function outputs a value of type UINTN by interpreting the contents of
+ the Unicode string specified by String as a decimal number. The format of the
+ input Unicode string String is:
+
+ [spaces] [decimal digits].
+
+ The valid decimal digit character is in the range [0-9]. The function will
+ ignore the pad space, which includes spaces or tab characters, before
+ [decimal digits]. The running zero in the beginning of [decimal digits] will
+ be ignored. Then, the function stops at the first character that is a not a
+ valid decimal character or a Null-terminator, whichever one comes first.
+
+ If String is NULL, then ASSERT().
+ If Data is NULL, then ASSERT().
+ If String is not aligned in a 16-bit boundary, then ASSERT().
+ If PcdMaximumUnicodeStringLength is not zero, and String contains more than
+ PcdMaximumUnicodeStringLength Unicode characters, not including the
+ Null-terminator, then ASSERT().
+
+ If String has no valid decimal digits in the above format, then 0 is stored
+ at the location pointed to by Data.
+ If the number represented by String exceeds the range defined by UINTN, then
+ MAX_UINTN is stored at the location pointed to by Data.
+
+ If EndPointer is not NULL, a pointer to the character that stopped the scan
+ is stored at the location pointed to by EndPointer. If String has no valid
+ decimal digits right after the optional pad spaces, the value of String is
+ stored at the location pointed to by EndPointer.
+
+ @param String Pointer to a Null-terminated Unicode string.
+ @param EndPointer Pointer to character that stops scan.
+ @param Data Pointer to the converted value.
+
+ @retval RETURN_SUCCESS Value is translated from String.
+ @retval RETURN_INVALID_PARAMETER If String is NULL.
+ If Data is NULL.
+ If PcdMaximumUnicodeStringLength is not
+ zero, and String contains more than
+ PcdMaximumUnicodeStringLength Unicode
+ characters, not including the
+ Null-terminator.
+ @retval RETURN_UNSUPPORTED If the number represented by String exceeds
+ the range defined by UINTN.
+
+**/
+RETURN_STATUS
+EFIAPI
+StrDecimalToUintnS (
+ IN CONST CHAR16 *String,
+ OUT CHAR16 **EndPointer, OPTIONAL
+ OUT UINTN *Data
+ );
+
+/**
+ Convert a Null-terminated Unicode decimal string to a value of type UINT64.
+
+ This function outputs a value of type UINT64 by interpreting the contents of
+ the Unicode string specified by String as a decimal number. The format of the
+ input Unicode string String is:
+
+ [spaces] [decimal digits].
+
+ The valid decimal digit character is in the range [0-9]. The function will
+ ignore the pad space, which includes spaces or tab characters, before
+ [decimal digits]. The running zero in the beginning of [decimal digits] will
+ be ignored. Then, the function stops at the first character that is a not a
+ valid decimal character or a Null-terminator, whichever one comes first.
+
+ If String is NULL, then ASSERT().
+ If Data is NULL, then ASSERT().
+ If String is not aligned in a 16-bit boundary, then ASSERT().
+ If PcdMaximumUnicodeStringLength is not zero, and String contains more than
+ PcdMaximumUnicodeStringLength Unicode characters, not including the
+ Null-terminator, then ASSERT().
+
+ If String has no valid decimal digits in the above format, then 0 is stored
+ at the location pointed to by Data.
+ If the number represented by String exceeds the range defined by UINT64, then
+ MAX_UINT64 is stored at the location pointed to by Data.
+
+ If EndPointer is not NULL, a pointer to the character that stopped the scan
+ is stored at the location pointed to by EndPointer. If String has no valid
+ decimal digits right after the optional pad spaces, the value of String is
+ stored at the location pointed to by EndPointer.
+
+ @param String Pointer to a Null-terminated Unicode string.
+ @param EndPointer Pointer to character that stops scan.
+ @param Data Pointer to the converted value.
+
+ @retval RETURN_SUCCESS Value is translated from String.
+ @retval RETURN_INVALID_PARAMETER If String is NULL.
+ If Data is NULL.
+ If PcdMaximumUnicodeStringLength is not
+ zero, and String contains more than
+ PcdMaximumUnicodeStringLength Unicode
+ characters, not including the
+ Null-terminator.
+ @retval RETURN_UNSUPPORTED If the number represented by String exceeds
+ the range defined by UINT64.
+
+**/
+RETURN_STATUS
+EFIAPI
+StrDecimalToUint64S (
+ IN CONST CHAR16 *String,
+ OUT CHAR16 **EndPointer, OPTIONAL
+ OUT UINT64 *Data
+ );
+
+/**
+ Convert a Null-terminated Unicode hexadecimal string to a value of type
+ UINTN.
+
+ This function outputs a value of type UINTN by interpreting the contents of
+ the Unicode string specified by String as a hexadecimal number. The format of
+ the input Unicode string String is:
+
+ [spaces][zeros][x][hexadecimal digits].
+
+ The valid hexadecimal digit character is in the range [0-9], [a-f] and [A-F].
+ The prefix "0x" is optional. Both "x" and "X" is allowed in "0x" prefix.
+ If "x" appears in the input string, it must be prefixed with at least one 0.
+ The function will ignore the pad space, which includes spaces or tab
+ characters, before [zeros], [x] or [hexadecimal digit]. The running zero
+ before [x] or [hexadecimal digit] will be ignored. Then, the decoding starts
+ after [x] or the first valid hexadecimal digit. Then, the function stops at
+ the first character that is a not a valid hexadecimal character or NULL,
+ whichever one comes first.
+
+ If String is NULL, then ASSERT().
+ If Data is NULL, then ASSERT().
+ If String is not aligned in a 16-bit boundary, then ASSERT().
+ If PcdMaximumUnicodeStringLength is not zero, and String contains more than
+ PcdMaximumUnicodeStringLength Unicode characters, not including the
+ Null-terminator, then ASSERT().
+
+ If String has no valid hexadecimal digits in the above format, then 0 is
+ stored at the location pointed to by Data.
+ If the number represented by String exceeds the range defined by UINTN, then
+ MAX_UINTN is stored at the location pointed to by Data.
+
+ If EndPointer is not NULL, a pointer to the character that stopped the scan
+ is stored at the location pointed to by EndPointer. If String has no valid
+ hexadecimal digits right after the optional pad spaces, the value of String
+ is stored at the location pointed to by EndPointer.
+
+ @param String Pointer to a Null-terminated Unicode string.
+ @param EndPointer Pointer to character that stops scan.
+ @param Data Pointer to the converted value.
+
+ @retval RETURN_SUCCESS Value is translated from String.
+ @retval RETURN_INVALID_PARAMETER If String is NULL.
+ If Data is NULL.
+ If PcdMaximumUnicodeStringLength is not
+ zero, and String contains more than
+ PcdMaximumUnicodeStringLength Unicode
+ characters, not including the
+ Null-terminator.
+ @retval RETURN_UNSUPPORTED If the number represented by String exceeds
+ the range defined by UINTN.
+
+**/
+RETURN_STATUS
+EFIAPI
+StrHexToUintnS (
+ IN CONST CHAR16 *String,
+ OUT CHAR16 **EndPointer, OPTIONAL
+ OUT UINTN *Data
+ );
+
+/**
+ Convert a Null-terminated Unicode hexadecimal string to a value of type
+ UINT64.
+
+ This function outputs a value of type UINT64 by interpreting the contents of
+ the Unicode string specified by String as a hexadecimal number. The format of
+ the input Unicode string String is:
+
+ [spaces][zeros][x][hexadecimal digits].
+
+ The valid hexadecimal digit character is in the range [0-9], [a-f] and [A-F].
+ The prefix "0x" is optional. Both "x" and "X" is allowed in "0x" prefix.
+ If "x" appears in the input string, it must be prefixed with at least one 0.
+ The function will ignore the pad space, which includes spaces or tab
+ characters, before [zeros], [x] or [hexadecimal digit]. The running zero
+ before [x] or [hexadecimal digit] will be ignored. Then, the decoding starts
+ after [x] or the first valid hexadecimal digit. Then, the function stops at
+ the first character that is a not a valid hexadecimal character or NULL,
+ whichever one comes first.
+
+ If String is NULL, then ASSERT().
+ If Data is NULL, then ASSERT().
+ If String is not aligned in a 16-bit boundary, then ASSERT().
+ If PcdMaximumUnicodeStringLength is not zero, and String contains more than
+ PcdMaximumUnicodeStringLength Unicode characters, not including the
+ Null-terminator, then ASSERT().
+
+ If String has no valid hexadecimal digits in the above format, then 0 is
+ stored at the location pointed to by Data.
+ If the number represented by String exceeds the range defined by UINT64, then
+ MAX_UINT64 is stored at the location pointed to by Data.
+
+ If EndPointer is not NULL, a pointer to the character that stopped the scan
+ is stored at the location pointed to by EndPointer. If String has no valid
+ hexadecimal digits right after the optional pad spaces, the value of String
+ is stored at the location pointed to by EndPointer.
+
+ @param String Pointer to a Null-terminated Unicode string.
+ @param EndPointer Pointer to character that stops scan.
+ @param Data Pointer to the converted value.
+
+ @retval RETURN_SUCCESS Value is translated from String.
+ @retval RETURN_INVALID_PARAMETER If String is NULL.
+ If Data is NULL.
+ If PcdMaximumUnicodeStringLength is not
+ zero, and String contains more than
+ PcdMaximumUnicodeStringLength Unicode
+ characters, not including the
+ Null-terminator.
+ @retval RETURN_UNSUPPORTED If the number represented by String exceeds
+ the range defined by UINT64.
+
+**/
+RETURN_STATUS
+EFIAPI
+StrHexToUint64S (
+ IN CONST CHAR16 *String,
+ OUT CHAR16 **EndPointer, OPTIONAL
+ OUT UINT64 *Data
+ );
+
+/**
+ Returns the length of a Null-terminated Ascii string.
+
+ This function is similar as strlen_s defined in C11.
+
+ @param String A pointer to a Null-terminated Ascii string.
+ @param MaxSize The maximum number of Destination Ascii
+ char, including terminating null char.
+
+ @retval 0 If String is NULL.
+ @retval MaxSize If there is no null character in the first MaxSize characters of String.
+ @return The number of characters that percede the terminating null character.
+
+**/
+UINTN
+EFIAPI
+AsciiStrnLenS (
+ IN CONST CHAR8 *String,
+ IN UINTN MaxSize
+ );
+
+/**
+ Returns the size of a Null-terminated Ascii string in bytes, including the
+ Null terminator.
+
+ This function returns the size of the Null-terminated Ascii string specified
+ by String in bytes, including the Null terminator.
+
+ @param String A pointer to a Null-terminated Ascii string.
+ @param MaxSize The maximum number of Destination Ascii
+ char, including the Null terminator.
+
+ @retval 0 If String is NULL.
+ @retval (sizeof (CHAR8) * (MaxSize + 1))
+ If there is no Null terminator in the first MaxSize characters of
+ String.
+ @return The size of the Null-terminated Ascii string in bytes, including the
+ Null terminator.
+
+**/
+UINTN
+EFIAPI
+AsciiStrnSizeS (
+ IN CONST CHAR8 *String,
+ IN UINTN MaxSize
+ );
+
+/**
+ Copies the string pointed to by Source (including the terminating null char)
+ to the array pointed to by Destination.
+
+ This function is similar as strcpy_s defined in C11.
+
+ If an error would be returned, then the function will also ASSERT().
+
+ If an error is returned, then the Destination is unmodified.
+
+ @param Destination A pointer to a Null-terminated Ascii string.
+ @param DestMax The maximum number of Destination Ascii
+ char, including terminating null char.
+ @param Source A pointer to a Null-terminated Ascii string.
+
+ @retval RETURN_SUCCESS String is copied.
+ @retval RETURN_BUFFER_TOO_SMALL If DestMax is NOT greater than StrLen(Source).
+ @retval RETURN_INVALID_PARAMETER If Destination is NULL.
+ If Source is NULL.
+ If PcdMaximumAsciiStringLength is not zero,
+ and DestMax is greater than
+ PcdMaximumAsciiStringLength.
+ If DestMax is 0.
+ @retval RETURN_ACCESS_DENIED If Source and Destination overlap.
+**/
+RETURN_STATUS
+EFIAPI
+AsciiStrCpyS (
+ OUT CHAR8 *Destination,
+ IN UINTN DestMax,
+ IN CONST CHAR8 *Source
+ );
+
+/**
+ Copies not more than Length successive char from the string pointed to by
+ Source to the array pointed to by Destination. If no null char is copied from
+ Source, then Destination[Length] is always set to null.
+
+ This function is similar as strncpy_s defined in C11.
+
+ If an error would be returned, then the function will also ASSERT().
+
+ If an error is returned, then the Destination is unmodified.
+
+ @param Destination A pointer to a Null-terminated Ascii string.
+ @param DestMax The maximum number of Destination Ascii
+ char, including terminating null char.
+ @param Source A pointer to a Null-terminated Ascii string.
+ @param Length The maximum number of Ascii characters to copy.
+
+ @retval RETURN_SUCCESS String is copied.
+ @retval RETURN_BUFFER_TOO_SMALL If DestMax is NOT greater than
+ MIN(StrLen(Source), Length).
+ @retval RETURN_INVALID_PARAMETER If Destination is NULL.
+ If Source is NULL.
+ If PcdMaximumAsciiStringLength is not zero,
+ and DestMax is greater than
+ PcdMaximumAsciiStringLength.
+ If DestMax is 0.
+ @retval RETURN_ACCESS_DENIED If Source and Destination overlap.
+**/
+RETURN_STATUS
+EFIAPI
+AsciiStrnCpyS (
+ OUT CHAR8 *Destination,
+ IN UINTN DestMax,
+ IN CONST CHAR8 *Source,
+ IN UINTN Length
+ );
+
+/**
+ Appends a copy of the string pointed to by Source (including the terminating
+ null char) to the end of the string pointed to by Destination.
+
+ This function is similar as strcat_s defined in C11.
+
+ If an error would be returned, then the function will also ASSERT().
+
+ If an error is returned, then the Destination is unmodified.
+
+ @param Destination A pointer to a Null-terminated Ascii string.
+ @param DestMax The maximum number of Destination Ascii
+ char, including terminating null char.
+ @param Source A pointer to a Null-terminated Ascii string.
+
+ @retval RETURN_SUCCESS String is appended.
+ @retval RETURN_BAD_BUFFER_SIZE If DestMax is NOT greater than
+ StrLen(Destination).
+ @retval RETURN_BUFFER_TOO_SMALL If (DestMax - StrLen(Destination)) is NOT
+ greater than StrLen(Source).
+ @retval RETURN_INVALID_PARAMETER If Destination is NULL.
+ If Source is NULL.
+ If PcdMaximumAsciiStringLength is not zero,
+ and DestMax is greater than
+ PcdMaximumAsciiStringLength.
+ If DestMax is 0.
+ @retval RETURN_ACCESS_DENIED If Source and Destination overlap.
+**/
+RETURN_STATUS
+EFIAPI
+AsciiStrCatS (
+ IN OUT CHAR8 *Destination,
+ IN UINTN DestMax,
+ IN CONST CHAR8 *Source
+ );
+
+/**
+ Appends not more than Length successive char from the string pointed to by
+ Source to the end of the string pointed to by Destination. If no null char is
+ copied from Source, then Destination[StrLen(Destination) + Length] is always
+ set to null.
+
+ This function is similar as strncat_s defined in C11.
+
+ If an error would be returned, then the function will also ASSERT().
+
+ If an error is returned, then the Destination is unmodified.
+
+ @param Destination A pointer to a Null-terminated Ascii string.
+ @param DestMax The maximum number of Destination Ascii
+ char, including terminating null char.
+ @param Source A pointer to a Null-terminated Ascii string.
+ @param Length The maximum number of Ascii characters to copy.
+
+ @retval RETURN_SUCCESS String is appended.
+ @retval RETURN_BAD_BUFFER_SIZE If DestMax is NOT greater than
+ StrLen(Destination).
+ @retval RETURN_BUFFER_TOO_SMALL If (DestMax - StrLen(Destination)) is NOT
+ greater than MIN(StrLen(Source), Length).
+ @retval RETURN_INVALID_PARAMETER If Destination is NULL.
+ If Source is NULL.
+ If PcdMaximumAsciiStringLength is not zero,
+ and DestMax is greater than
+ PcdMaximumAsciiStringLength.
+ If DestMax is 0.
+ @retval RETURN_ACCESS_DENIED If Source and Destination overlap.
+**/
+RETURN_STATUS
+EFIAPI
+AsciiStrnCatS (
+ IN OUT CHAR8 *Destination,
+ IN UINTN DestMax,
+ IN CONST CHAR8 *Source,
+ IN UINTN Length
+ );
+
+/**
+ Convert a Null-terminated Ascii decimal string to a value of type UINTN.
+
+ This function outputs a value of type UINTN by interpreting the contents of
+ the Ascii string specified by String as a decimal number. The format of the
+ input Ascii string String is:
+
+ [spaces] [decimal digits].
+
+ The valid decimal digit character is in the range [0-9]. The function will
+ ignore the pad space, which includes spaces or tab characters, before
+ [decimal digits]. The running zero in the beginning of [decimal digits] will
+ be ignored. Then, the function stops at the first character that is a not a
+ valid decimal character or a Null-terminator, whichever one comes first.
+
+ If String is NULL, then ASSERT().
+ If Data is NULL, then ASSERT().
+ If PcdMaximumAsciiStringLength is not zero, and String contains more than
+ PcdMaximumAsciiStringLength Ascii characters, not including the
+ Null-terminator, then ASSERT().
+
+ If String has no valid decimal digits in the above format, then 0 is stored
+ at the location pointed to by Data.
+ If the number represented by String exceeds the range defined by UINTN, then
+ MAX_UINTN is stored at the location pointed to by Data.
+
+ If EndPointer is not NULL, a pointer to the character that stopped the scan
+ is stored at the location pointed to by EndPointer. If String has no valid
+ decimal digits right after the optional pad spaces, the value of String is
+ stored at the location pointed to by EndPointer.
+
+ @param String Pointer to a Null-terminated Ascii string.
+ @param EndPointer Pointer to character that stops scan.
+ @param Data Pointer to the converted value.
+
+ @retval RETURN_SUCCESS Value is translated from String.
+ @retval RETURN_INVALID_PARAMETER If String is NULL.
+ If Data is NULL.
+ If PcdMaximumAsciiStringLength is not zero,
+ and String contains more than
+ PcdMaximumAsciiStringLength Ascii
+ characters, not including the
+ Null-terminator.
+ @retval RETURN_UNSUPPORTED If the number represented by String exceeds
+ the range defined by UINTN.
+
+**/
+RETURN_STATUS
+EFIAPI
+AsciiStrDecimalToUintnS (
+ IN CONST CHAR8 *String,
+ OUT CHAR8 **EndPointer, OPTIONAL
+ OUT UINTN *Data
+ );
+
+/**
+ Convert a Null-terminated Ascii decimal string to a value of type UINT64.
+
+ This function outputs a value of type UINT64 by interpreting the contents of
+ the Ascii string specified by String as a decimal number. The format of the
+ input Ascii string String is:
+
+ [spaces] [decimal digits].
+
+ The valid decimal digit character is in the range [0-9]. The function will
+ ignore the pad space, which includes spaces or tab characters, before
+ [decimal digits]. The running zero in the beginning of [decimal digits] will
+ be ignored. Then, the function stops at the first character that is a not a
+ valid decimal character or a Null-terminator, whichever one comes first.
+
+ If String is NULL, then ASSERT().
+ If Data is NULL, then ASSERT().
+ If PcdMaximumAsciiStringLength is not zero, and String contains more than
+ PcdMaximumAsciiStringLength Ascii characters, not including the
+ Null-terminator, then ASSERT().
+
+ If String has no valid decimal digits in the above format, then 0 is stored
+ at the location pointed to by Data.
+ If the number represented by String exceeds the range defined by UINT64, then
+ MAX_UINT64 is stored at the location pointed to by Data.
+
+ If EndPointer is not NULL, a pointer to the character that stopped the scan
+ is stored at the location pointed to by EndPointer. If String has no valid
+ decimal digits right after the optional pad spaces, the value of String is
+ stored at the location pointed to by EndPointer.
+
+ @param String Pointer to a Null-terminated Ascii string.
+ @param EndPointer Pointer to character that stops scan.
+ @param Data Pointer to the converted value.
+
+ @retval RETURN_SUCCESS Value is translated from String.
+ @retval RETURN_INVALID_PARAMETER If String is NULL.
+ If Data is NULL.
+ If PcdMaximumAsciiStringLength is not zero,
+ and String contains more than
+ PcdMaximumAsciiStringLength Ascii
+ characters, not including the
+ Null-terminator.
+ @retval RETURN_UNSUPPORTED If the number represented by String exceeds
+ the range defined by UINT64.
+
+**/
+RETURN_STATUS
+EFIAPI
+AsciiStrDecimalToUint64S (
+ IN CONST CHAR8 *String,
+ OUT CHAR8 **EndPointer, OPTIONAL
+ OUT UINT64 *Data
+ );
+
+/**
+ Convert a Null-terminated Ascii hexadecimal string to a value of type UINTN.
+
+ This function outputs a value of type UINTN by interpreting the contents of
+ the Ascii string specified by String as a hexadecimal number. The format of
+ the input Ascii string String is:
+
+ [spaces][zeros][x][hexadecimal digits].
+
+ The valid hexadecimal digit character is in the range [0-9], [a-f] and [A-F].
+ The prefix "0x" is optional. Both "x" and "X" is allowed in "0x" prefix. If
+ "x" appears in the input string, it must be prefixed with at least one 0. The
+ function will ignore the pad space, which includes spaces or tab characters,
+ before [zeros], [x] or [hexadecimal digits]. The running zero before [x] or
+ [hexadecimal digits] will be ignored. Then, the decoding starts after [x] or
+ the first valid hexadecimal digit. Then, the function stops at the first
+ character that is a not a valid hexadecimal character or Null-terminator,
+ whichever on comes first.
+
+ If String is NULL, then ASSERT().
+ If Data is NULL, then ASSERT().
+ If PcdMaximumAsciiStringLength is not zero, and String contains more than
+ PcdMaximumAsciiStringLength Ascii characters, not including the
+ Null-terminator, then ASSERT().
+
+ If String has no valid hexadecimal digits in the above format, then 0 is
+ stored at the location pointed to by Data.
+ If the number represented by String exceeds the range defined by UINTN, then
+ MAX_UINTN is stored at the location pointed to by Data.
+
+ If EndPointer is not NULL, a pointer to the character that stopped the scan
+ is stored at the location pointed to by EndPointer. If String has no valid
+ hexadecimal digits right after the optional pad spaces, the value of String
+ is stored at the location pointed to by EndPointer.
+
+ @param String Pointer to a Null-terminated Ascii string.
+ @param EndPointer Pointer to character that stops scan.
+ @param Data Pointer to the converted value.
+
+ @retval RETURN_SUCCESS Value is translated from String.
+ @retval RETURN_INVALID_PARAMETER If String is NULL.
+ If Data is NULL.
+ If PcdMaximumAsciiStringLength is not zero,
+ and String contains more than
+ PcdMaximumAsciiStringLength Ascii
+ characters, not including the
+ Null-terminator.
+ @retval RETURN_UNSUPPORTED If the number represented by String exceeds
+ the range defined by UINTN.
+
+**/
+RETURN_STATUS
+EFIAPI
+AsciiStrHexToUintnS (
+ IN CONST CHAR8 *String,
+ OUT CHAR8 **EndPointer, OPTIONAL
+ OUT UINTN *Data
+ );
+
+/**
+ Convert a Null-terminated Ascii hexadecimal string to a value of type UINT64.
+
+ This function outputs a value of type UINT64 by interpreting the contents of
+ the Ascii string specified by String as a hexadecimal number. The format of
+ the input Ascii string String is:
+
+ [spaces][zeros][x][hexadecimal digits].
+
+ The valid hexadecimal digit character is in the range [0-9], [a-f] and [A-F].
+ The prefix "0x" is optional. Both "x" and "X" is allowed in "0x" prefix. If
+ "x" appears in the input string, it must be prefixed with at least one 0. The
+ function will ignore the pad space, which includes spaces or tab characters,
+ before [zeros], [x] or [hexadecimal digits]. The running zero before [x] or
+ [hexadecimal digits] will be ignored. Then, the decoding starts after [x] or
+ the first valid hexadecimal digit. Then, the function stops at the first
+ character that is a not a valid hexadecimal character or Null-terminator,
+ whichever on comes first.
+
+ If String is NULL, then ASSERT().
+ If Data is NULL, then ASSERT().
+ If PcdMaximumAsciiStringLength is not zero, and String contains more than
+ PcdMaximumAsciiStringLength Ascii characters, not including the
+ Null-terminator, then ASSERT().
+
+ If String has no valid hexadecimal digits in the above format, then 0 is
+ stored at the location pointed to by Data.
+ If the number represented by String exceeds the range defined by UINT64, then
+ MAX_UINT64 is stored at the location pointed to by Data.
+
+ If EndPointer is not NULL, a pointer to the character that stopped the scan
+ is stored at the location pointed to by EndPointer. If String has no valid
+ hexadecimal digits right after the optional pad spaces, the value of String
+ is stored at the location pointed to by EndPointer.
+
+ @param String Pointer to a Null-terminated Ascii string.
+ @param EndPointer Pointer to character that stops scan.
+ @param Data Pointer to the converted value.
+
+ @retval RETURN_SUCCESS Value is translated from String.
+ @retval RETURN_INVALID_PARAMETER If String is NULL.
+ If Data is NULL.
+ If PcdMaximumAsciiStringLength is not zero,
+ and String contains more than
+ PcdMaximumAsciiStringLength Ascii
+ characters, not including the
+ Null-terminator.
+ @retval RETURN_UNSUPPORTED If the number represented by String exceeds
+ the range defined by UINT64.
+
+**/
+RETURN_STATUS
+EFIAPI
+AsciiStrHexToUint64S (
+ IN CONST CHAR8 *String,
+ OUT CHAR8 **EndPointer, OPTIONAL
+ OUT UINT64 *Data
+ );
+
+
+#ifndef DISABLE_NEW_DEPRECATED_INTERFACES
+
/**
+ [ATTENTION] This function is deprecated for security reason.
+
Copies one Null-terminated Unicode string to another Null-terminated Unicode
string and returns the new Unicode string.
@@ -149,8 +1066,8 @@ typedef struct {
PcdMaximumUnicodeStringLength Unicode characters not including the
Null-terminator, then ASSERT().
- @param Destination Pointer to a Null-terminated Unicode string.
- @param Source Pointer to a Null-terminated Unicode string.
+ @param Destination The pointer to a Null-terminated Unicode string.
+ @param Source The pointer to a Null-terminated Unicode string.
@return Destination.
@@ -164,7 +1081,9 @@ StrCpy (
/**
- Copies up to a specified length from one Null-terminated Unicode string to
+ [ATTENTION] This function is deprecated for security reason.
+
+ Copies up to a specified length from one Null-terminated Unicode string to
another Null-terminated Unicode string and returns the new Unicode string.
This function copies the contents of the Unicode string Source to the Unicode
@@ -180,13 +1099,15 @@ StrCpy (
If Length > 0 and Source is NULL, then ASSERT().
If Length > 0 and Source is not aligned on a 16-bit boundary, then ASSERT().
If Source and Destination overlap, then ASSERT().
+ If PcdMaximumUnicodeStringLength is not zero, and Length is greater than
+ PcdMaximumUnicodeStringLength, then ASSERT().
If PcdMaximumUnicodeStringLength is not zero, and Source contains more than
- PcdMaximumUnicodeStringLength Unicode characters not including the
- Null-terminator, then ASSERT().
+ PcdMaximumUnicodeStringLength Unicode characters, not including the Null-terminator,
+ then ASSERT().
- @param Destination Pointer to a Null-terminated Unicode string.
- @param Source Pointer to a Null-terminated Unicode string.
- @param Length Maximum number of Unicode characters to copy.
+ @param Destination The pointer to a Null-terminated Unicode string.
+ @param Source The pointer to a Null-terminated Unicode string.
+ @param Length The maximum number of Unicode characters to copy.
@return Destination.
@@ -198,7 +1119,7 @@ StrnCpy (
IN CONST CHAR16 *Source,
IN UINTN Length
);
-
+#endif // !defined (DISABLE_NEW_DEPRECATED_INTERFACES)
/**
Returns the length of a Null-terminated Unicode string.
@@ -237,7 +1158,7 @@ StrLen (
PcdMaximumUnicodeStringLength Unicode characters not including the
Null-terminator, then ASSERT().
- @param String Pointer to a Null-terminated Unicode string.
+ @param String The pointer to a Null-terminated Unicode string.
@return The size of String.
@@ -267,11 +1188,11 @@ StrSize (
than PcdMaximumUnicodeStringLength Unicode characters not including the
Null-terminator, then ASSERT().
If PcdMaximumUnicodeStringLength is not zero, and SecondString contains more
- than PcdMaximumUnicodeStringLength Unicode characters not including the
+ than PcdMaximumUnicodeStringLength Unicode characters, not including the
Null-terminator, then ASSERT().
- @param FirstString Pointer to a Null-terminated Unicode string.
- @param SecondString Pointer to a Null-terminated Unicode string.
+ @param FirstString The pointer to a Null-terminated Unicode string.
+ @param SecondString The pointer to a Null-terminated Unicode string.
@retval 0 FirstString is identical to SecondString.
@return others FirstString is not identical to SecondString.
@@ -300,16 +1221,18 @@ StrCmp (
If Length > 0 and FirstString is not aligned on a 16-bit boundary, then ASSERT().
If Length > 0 and SecondString is NULL, then ASSERT().
If Length > 0 and SecondString is not aligned on a 16-bit boundary, then ASSERT().
- If PcdMaximumUnicodeStringLength is not zero, and FirstString contains more
- than PcdMaximumUnicodeStringLength Unicode characters not including the
- Null-terminator, then ASSERT().
- If PcdMaximumUnicodeStringLength is not zero, and SecondString contains more
- than PcdMaximumUnicodeStringLength Unicode characters not including the
- Null-terminator, then ASSERT().
+ If PcdMaximumUnicodeStringLength is not zero, and Length is greater than
+ PcdMaximumUnicodeStringLength, then ASSERT().
+ If PcdMaximumUnicodeStringLength is not zero, and FirstString contains more than
+ PcdMaximumUnicodeStringLength Unicode characters, not including the Null-terminator,
+ then ASSERT().
+ If PcdMaximumUnicodeStringLength is not zero, and SecondString contains more than
+ PcdMaximumUnicodeStringLength Unicode characters, not including the Null-terminator,
+ then ASSERT().
- @param FirstString Pointer to a Null-terminated Unicode string.
- @param SecondString Pointer to a Null-terminated Unicode string.
- @param Length Maximum number of Unicode characters to compare.
+ @param FirstString The pointer to a Null-terminated Unicode string.
+ @param SecondString The pointer to a Null-terminated Unicode string.
+ @param Length The maximum number of Unicode characters to compare.
@retval 0 FirstString is identical to SecondString.
@return others FirstString is not identical to SecondString.
@@ -324,7 +1247,11 @@ StrnCmp (
);
+#ifndef DISABLE_NEW_DEPRECATED_INTERFACES
+
/**
+ [ATTENTION] This function is deprecated for security reason.
+
Concatenates one Null-terminated Unicode string to another Null-terminated
Unicode string, and returns the concatenated Unicode string.
@@ -340,18 +1267,18 @@ StrnCmp (
If Source is not aligned on a 16-bit boundary, then ASSERT().
If Source and Destination overlap, then ASSERT().
If PcdMaximumUnicodeStringLength is not zero, and Destination contains more
- than PcdMaximumUnicodeStringLength Unicode characters not including the
+ than PcdMaximumUnicodeStringLength Unicode characters, not including the
Null-terminator, then ASSERT().
If PcdMaximumUnicodeStringLength is not zero, and Source contains more than
- PcdMaximumUnicodeStringLength Unicode characters not including the
+ PcdMaximumUnicodeStringLength Unicode characters, not including the
Null-terminator, then ASSERT().
If PcdMaximumUnicodeStringLength is not zero, and concatenating Destination
and Source results in a Unicode string with more than
- PcdMaximumUnicodeStringLength Unicode characters not including the
+ PcdMaximumUnicodeStringLength Unicode characters, not including the
Null-terminator, then ASSERT().
- @param Destination Pointer to a Null-terminated Unicode string.
- @param Source Pointer to a Null-terminated Unicode string.
+ @param Destination The pointer to a Null-terminated Unicode string.
+ @param Source The pointer to a Null-terminated Unicode string.
@return Destination.
@@ -365,6 +1292,8 @@ StrCat (
/**
+ [ATTENTION] This function is deprecated for security reason.
+
Concatenates up to a specified length one Null-terminated Unicode to the end
of another Null-terminated Unicode string, and returns the concatenated
Unicode string.
@@ -382,20 +1311,21 @@ StrCat (
If Length > 0 and Source is NULL, then ASSERT().
If Length > 0 and Source is not aligned on a 16-bit boundary, then ASSERT().
If Source and Destination overlap, then ASSERT().
+ If PcdMaximumUnicodeStringLength is not zero, and Length is greater than
+ PcdMaximumUnicodeStringLength, then ASSERT().
If PcdMaximumUnicodeStringLength is not zero, and Destination contains more
- than PcdMaximumUnicodeStringLength Unicode characters not including the
+ than PcdMaximumUnicodeStringLength Unicode characters, not including the
Null-terminator, then ASSERT().
If PcdMaximumUnicodeStringLength is not zero, and Source contains more than
- PcdMaximumUnicodeStringLength Unicode characters not including the
+ PcdMaximumUnicodeStringLength Unicode characters, not including the
Null-terminator, then ASSERT().
If PcdMaximumUnicodeStringLength is not zero, and concatenating Destination
- and Source results in a Unicode string with more than
- PcdMaximumUnicodeStringLength Unicode characters not including the
- Null-terminator, then ASSERT().
+ and Source results in a Unicode string with more than PcdMaximumUnicodeStringLength
+ Unicode characters, not including the Null-terminator, then ASSERT().
- @param Destination Pointer to a Null-terminated Unicode string.
- @param Source Pointer to a Null-terminated Unicode string.
- @param Length Maximum number of Unicode characters to concatenate from
+ @param Destination The pointer to a Null-terminated Unicode string.
+ @param Source The pointer to a Null-terminated Unicode string.
+ @param Length The maximum number of Unicode characters to concatenate from
Source.
@return Destination.
@@ -408,6 +1338,7 @@ StrnCat (
IN CONST CHAR16 *Source,
IN UINTN Length
);
+#endif // !defined (DISABLE_NEW_DEPRECATED_INTERFACES)
/**
Returns the first occurrence of a Null-terminated Unicode sub-string
@@ -416,8 +1347,7 @@ StrnCat (
This function scans the contents of the Null-terminated Unicode string
specified by String and returns the first occurrence of SearchString.
If SearchString is not found in String, then NULL is returned. If
- the length of SearchString is zero, then String is
- returned.
+ the length of SearchString is zero, then String is returned.
If String is NULL, then ASSERT().
If String is not aligned on a 16-bit boundary, then ASSERT().
@@ -426,10 +1356,10 @@ StrnCat (
If PcdMaximumUnicodeStringLength is not zero, and SearchString
or String contains more than PcdMaximumUnicodeStringLength Unicode
- characters not including the Null-terminator, then ASSERT().
+ characters, not including the Null-terminator, then ASSERT().
- @param String Pointer to a Null-terminated Unicode string.
- @param SearchString Pointer to a Null-terminated Unicode string to search for.
+ @param String The pointer to a Null-terminated Unicode string.
+ @param SearchString The pointer to a Null-terminated Unicode string to search for.
@retval NULL If the SearchString does not appear in String.
@return others If there is a match.
@@ -465,13 +1395,13 @@ StrStr (
If String has no pad spaces or valid decimal digits,
then 0 is returned.
If the number represented by String overflows according
- to the range defined by UINTN, then ASSERT().
+ to the range defined by UINTN, then MAX_UINTN is returned.
If PcdMaximumUnicodeStringLength is not zero, and String contains
more than PcdMaximumUnicodeStringLength Unicode characters not including
the Null-terminator, then ASSERT().
- @param String Pointer to a Null-terminated Unicode string.
+ @param String The pointer to a Null-terminated Unicode string.
@retval Value translated from String.
@@ -505,13 +1435,13 @@ StrDecimalToUintn (
If String has no pad spaces or valid decimal digits,
then 0 is returned.
If the number represented by String overflows according
- to the range defined by UINT64, then ASSERT().
+ to the range defined by UINT64, then MAX_UINT64 is returned.
If PcdMaximumUnicodeStringLength is not zero, and String contains
more than PcdMaximumUnicodeStringLength Unicode characters not including
the Null-terminator, then ASSERT().
- @param String Pointer to a Null-terminated Unicode string.
+ @param String The pointer to a Null-terminated Unicode string.
@retval Value translated from String.
@@ -521,92 +1451,327 @@ EFIAPI
StrDecimalToUint64 (
IN CONST CHAR16 *String
);
-
+
+
+/**
+ Convert a Null-terminated Unicode hexadecimal string to a value of type UINTN.
+
+ This function returns a value of type UINTN by interpreting the contents
+ of the Unicode string specified by String as a hexadecimal number.
+ The format of the input Unicode string String is:
+
+ [spaces][zeros][x][hexadecimal digits].
+
+ The valid hexadecimal digit character is in the range [0-9], [a-f] and [A-F].
+ The prefix "0x" is optional. Both "x" and "X" is allowed in "0x" prefix.
+ If "x" appears in the input string, it must be prefixed with at least one 0.
+ The function will ignore the pad space, which includes spaces or tab characters,
+ before [zeros], [x] or [hexadecimal digit]. The running zero before [x] or
+ [hexadecimal digit] will be ignored. Then, the decoding starts after [x] or the
+ first valid hexadecimal digit. Then, the function stops at the first character
+ that is a not a valid hexadecimal character or NULL, whichever one comes first.
+
+ If String is NULL, then ASSERT().
+ If String is not aligned in a 16-bit boundary, then ASSERT().
+ If String has only pad spaces, then zero is returned.
+ If String has no leading pad spaces, leading zeros or valid hexadecimal digits,
+ then zero is returned.
+ If the number represented by String overflows according to the range defined by
+ UINTN, then MAX_UINTN is returned.
+
+ If PcdMaximumUnicodeStringLength is not zero, and String contains more than
+ PcdMaximumUnicodeStringLength Unicode characters not including the Null-terminator,
+ then ASSERT().
+
+ @param String The pointer to a Null-terminated Unicode string.
+
+ @retval Value translated from String.
+
+**/
+UINTN
+EFIAPI
+StrHexToUintn (
+ IN CONST CHAR16 *String
+ );
+
+
+/**
+ Convert a Null-terminated Unicode hexadecimal string to a value of type UINT64.
+
+ This function returns a value of type UINT64 by interpreting the contents
+ of the Unicode string specified by String as a hexadecimal number.
+ The format of the input Unicode string String is
+
+ [spaces][zeros][x][hexadecimal digits].
+
+ The valid hexadecimal digit character is in the range [0-9], [a-f] and [A-F].
+ The prefix "0x" is optional. Both "x" and "X" is allowed in "0x" prefix.
+ If "x" appears in the input string, it must be prefixed with at least one 0.
+ The function will ignore the pad space, which includes spaces or tab characters,
+ before [zeros], [x] or [hexadecimal digit]. The running zero before [x] or
+ [hexadecimal digit] will be ignored. Then, the decoding starts after [x] or the
+ first valid hexadecimal digit. Then, the function stops at the first character that is
+ a not a valid hexadecimal character or NULL, whichever one comes first.
+
+ If String is NULL, then ASSERT().
+ If String is not aligned in a 16-bit boundary, then ASSERT().
+ If String has only pad spaces, then zero is returned.
+ If String has no leading pad spaces, leading zeros or valid hexadecimal digits,
+ then zero is returned.
+ If the number represented by String overflows according to the range defined by
+ UINT64, then MAX_UINT64 is returned.
+
+ If PcdMaximumUnicodeStringLength is not zero, and String contains more than
+ PcdMaximumUnicodeStringLength Unicode characters not including the Null-terminator,
+ then ASSERT().
+
+ @param String The pointer to a Null-terminated Unicode string.
+
+ @retval Value translated from String.
+
+**/
+UINT64
+EFIAPI
+StrHexToUint64 (
+ IN CONST CHAR16 *String
+ );
+
+/**
+ Convert a Null-terminated Unicode string to IPv6 address and prefix length.
+
+ This function outputs a value of type IPv6_ADDRESS and may output a value
+ of type UINT8 by interpreting the contents of the Unicode string specified
+ by String. The format of the input Unicode string String is as follows:
+
+ X:X:X:X:X:X:X:X[/P]
+
+ X contains one to four hexadecimal digit characters in the range [0-9], [a-f] and
+ [A-F]. X is converted to a value of type UINT16, whose low byte is stored in low
+ memory address and high byte is stored in high memory address. P contains decimal
+ digit characters in the range [0-9]. The running zero in the beginning of P will
+ be ignored. /P is optional.
+
+ When /P is not in the String, the function stops at the first character that is
+ not a valid hexadecimal digit character after eight X's are converted.
+
+ When /P is in the String, the function stops at the first character that is not
+ a valid decimal digit character after P is converted.
+
+ "::" can be used to compress one or more groups of X when X contains only 0.
+ The "::" can only appear once in the String.
+
+ If String is NULL, then ASSERT().
+
+ If Address is NULL, then ASSERT().
+
+ If String is not aligned in a 16-bit boundary, then ASSERT().
+
+ If PcdMaximumUnicodeStringLength is not zero, and String contains more than
+ PcdMaximumUnicodeStringLength Unicode characters, not including the
+ Null-terminator, then ASSERT().
+
+ If EndPointer is not NULL and Address is translated from String, a pointer
+ to the character that stopped the scan is stored at the location pointed to
+ by EndPointer.
+
+ @param String Pointer to a Null-terminated Unicode string.
+ @param EndPointer Pointer to character that stops scan.
+ @param Address Pointer to the converted IPv6 address.
+ @param PrefixLength Pointer to the converted IPv6 address prefix
+ length. MAX_UINT8 is returned when /P is
+ not in the String.
+
+ @retval RETURN_SUCCESS Address is translated from String.
+ @retval RETURN_INVALID_PARAMETER If String is NULL.
+ If Data is NULL.
+ @retval RETURN_UNSUPPORTED If X contains more than four hexadecimal
+ digit characters.
+ If String contains "::" and number of X
+ is not less than 8.
+ If P starts with character that is not a
+ valid decimal digit character.
+ If the decimal number converted from P
+ exceeds 128.
+
+**/
+RETURN_STATUS
+EFIAPI
+StrToIpv6Address (
+ IN CONST CHAR16 *String,
+ OUT CHAR16 **EndPointer, OPTIONAL
+ OUT IPv6_ADDRESS *Address,
+ OUT UINT8 *PrefixLength OPTIONAL
+ );
/**
- Convert a Null-terminated Unicode hexadecimal string to a value of type UINTN.
+ Convert a Null-terminated Unicode string to IPv4 address and prefix length.
- This function returns a value of type UINTN by interpreting the contents
- of the Unicode string specified by String as a hexadecimal number.
- The format of the input Unicode string String is:
+ This function outputs a value of type IPv4_ADDRESS and may output a value
+ of type UINT8 by interpreting the contents of the Unicode string specified
+ by String. The format of the input Unicode string String is as follows:
- [spaces][zeros][x][hexadecimal digits].
+ D.D.D.D[/P]
- The valid hexadecimal digit character is in the range [0-9], [a-f] and [A-F].
- The prefix "0x" is optional. Both "x" and "X" is allowed in "0x" prefix.
- If "x" appears in the input string, it must be prefixed with at least one 0.
- The function will ignore the pad space, which includes spaces or tab characters,
- before [zeros], [x] or [hexadecimal digit]. The running zero before [x] or
- [hexadecimal digit] will be ignored. Then, the decoding starts after [x] or the
- first valid hexadecimal digit. Then, the function stops at the first character that is
- a not a valid hexadecimal character or NULL, whichever one comes first.
+ D and P are decimal digit characters in the range [0-9]. The running zero in
+ the beginning of D and P will be ignored. /P is optional.
+
+ When /P is not in the String, the function stops at the first character that is
+ not a valid decimal digit character after four D's are converted.
+
+ When /P is in the String, the function stops at the first character that is not
+ a valid decimal digit character after P is converted.
If String is NULL, then ASSERT().
+
+ If Address is NULL, then ASSERT().
+
If String is not aligned in a 16-bit boundary, then ASSERT().
- If String has only pad spaces, then zero is returned.
- If String has no leading pad spaces, leading zeros or valid hexadecimal digits,
- then zero is returned.
- If the number represented by String overflows according to the range defined by
- UINTN, then ASSERT().
If PcdMaximumUnicodeStringLength is not zero, and String contains more than
- PcdMaximumUnicodeStringLength Unicode characters not including the Null-terminator,
- then ASSERT().
+ PcdMaximumUnicodeStringLength Unicode characters, not including the
+ Null-terminator, then ASSERT().
- @param String Pointer to a Null-terminated Unicode string.
+ If EndPointer is not NULL and Address is translated from String, a pointer
+ to the character that stopped the scan is stored at the location pointed to
+ by EndPointer.
+
+ @param String Pointer to a Null-terminated Unicode string.
+ @param EndPointer Pointer to character that stops scan.
+ @param Address Pointer to the converted IPv4 address.
+ @param PrefixLength Pointer to the converted IPv4 address prefix
+ length. MAX_UINT8 is returned when /P is
+ not in the String.
+
+ @retval RETURN_SUCCESS Address is translated from String.
+ @retval RETURN_INVALID_PARAMETER If String is NULL.
+ If Data is NULL.
+ @retval RETURN_UNSUPPORTED If String is not in the correct format.
+ If any decimal number converted from D
+ exceeds 255.
+ If the decimal number converted from P
+ exceeds 32.
+
+**/
+RETURN_STATUS
+EFIAPI
+StrToIpv4Address (
+ IN CONST CHAR16 *String,
+ OUT CHAR16 **EndPointer, OPTIONAL
+ OUT IPv4_ADDRESS *Address,
+ OUT UINT8 *PrefixLength OPTIONAL
+ );
+
+#define GUID_STRING_LENGTH 36
+
+/**
+ Convert a Null-terminated Unicode GUID string to a value of type
+ EFI_GUID.
+
+ This function outputs a GUID value by interpreting the contents of
+ the Unicode string specified by String. The format of the input
+ Unicode string String consists of 36 characters, as follows:
+
+ aabbccdd-eeff-gghh-iijj-kkllmmnnoopp
+
+ The pairs aa - pp are two characters in the range [0-9], [a-f] and
+ [A-F], with each pair representing a single byte hexadecimal value.
+
+ The mapping between String and the EFI_GUID structure is as follows:
+ aa Data1[24:31]
+ bb Data1[16:23]
+ cc Data1[8:15]
+ dd Data1[0:7]
+ ee Data2[8:15]
+ ff Data2[0:7]
+ gg Data3[8:15]
+ hh Data3[0:7]
+ ii Data4[0:7]
+ jj Data4[8:15]
+ kk Data4[16:23]
+ ll Data4[24:31]
+ mm Data4[32:39]
+ nn Data4[40:47]
+ oo Data4[48:55]
+ pp Data4[56:63]
- @retval Value translated from String.
+ If String is NULL, then ASSERT().
+ If Guid is NULL, then ASSERT().
+ If String is not aligned in a 16-bit boundary, then ASSERT().
+
+ @param String Pointer to a Null-terminated Unicode string.
+ @param Guid Pointer to the converted GUID.
+
+ @retval RETURN_SUCCESS Guid is translated from String.
+ @retval RETURN_INVALID_PARAMETER If String is NULL.
+ If Data is NULL.
+ @retval RETURN_UNSUPPORTED If String is not as the above format.
**/
-UINTN
+RETURN_STATUS
EFIAPI
-StrHexToUintn (
- IN CONST CHAR16 *String
+StrToGuid (
+ IN CONST CHAR16 *String,
+ OUT GUID *Guid
);
-
/**
- Convert a Null-terminated Unicode hexadecimal string to a value of type UINT64.
+ Convert a Null-terminated Unicode hexadecimal string to a byte array.
- This function returns a value of type UINT64 by interpreting the contents
- of the Unicode string specified by String as a hexadecimal number.
- The format of the input Unicode string String is
+ This function outputs a byte array by interpreting the contents of
+ the Unicode string specified by String in hexadecimal format. The format of
+ the input Unicode string String is:
- [spaces][zeros][x][hexadecimal digits].
+ [XX]*
- The valid hexadecimal digit character is in the range [0-9], [a-f] and [A-F].
- The prefix "0x" is optional. Both "x" and "X" is allowed in "0x" prefix.
- If "x" appears in the input string, it must be prefixed with at least one 0.
- The function will ignore the pad space, which includes spaces or tab characters,
- before [zeros], [x] or [hexadecimal digit]. The running zero before [x] or
- [hexadecimal digit] will be ignored. Then, the decoding starts after [x] or the
- first valid hexadecimal digit. Then, the function stops at the first character that is
- a not a valid hexadecimal character or NULL, whichever one comes first.
+ X is a hexadecimal digit character in the range [0-9], [a-f] and [A-F].
+ The function decodes every two hexadecimal digit characters as one byte. The
+ decoding stops after Length of characters and outputs Buffer containing
+ (Length / 2) bytes.
- If String is NULL, then ASSERT().
If String is not aligned in a 16-bit boundary, then ASSERT().
- If String has only pad spaces, then zero is returned.
- If String has no leading pad spaces, leading zeros or valid hexadecimal digits,
- then zero is returned.
- If the number represented by String overflows according to the range defined by
- UINT64, then ASSERT().
- If PcdMaximumUnicodeStringLength is not zero, and String contains more than
- PcdMaximumUnicodeStringLength Unicode characters not including the Null-terminator,
- then ASSERT().
+ If String is NULL, then ASSERT().
+
+ If Buffer is NULL, then ASSERT().
- @param String Pointer to a Null-terminated Unicode string.
+ If Length is not multiple of 2, then ASSERT().
- @retval Value translated from String.
+ If PcdMaximumUnicodeStringLength is not zero and Length is greater than
+ PcdMaximumUnicodeStringLength, then ASSERT().
+ If MaxBufferSize is less than (Length / 2), then ASSERT().
+
+ @param String Pointer to a Null-terminated Unicode string.
+ @param Length The number of Unicode characters to decode.
+ @param Buffer Pointer to the converted bytes array.
+ @param MaxBufferSize The maximum size of Buffer.
+
+ @retval RETURN_SUCCESS Buffer is translated from String.
+ @retval RETURN_INVALID_PARAMETER If String is NULL.
+ If Data is NULL.
+ If Length is not multiple of 2.
+ If PcdMaximumUnicodeStringLength is not zero,
+ and Length is greater than
+ PcdMaximumUnicodeStringLength.
+ @retval RETURN_UNSUPPORTED If Length of characters from String contain
+ a character that is not valid hexadecimal
+ digit characters, or a Null-terminator.
+ @retval RETURN_BUFFER_TOO_SMALL If MaxBufferSize is less than (Length / 2).
**/
-UINT64
+RETURN_STATUS
EFIAPI
-StrHexToUint64 (
- IN CONST CHAR16 *String
+StrHexToBytes (
+ IN CONST CHAR16 *String,
+ IN UINTN Length,
+ OUT UINT8 *Buffer,
+ IN UINTN MaxBufferSize
);
+#ifndef DISABLE_NEW_DEPRECATED_INTERFACES
+
/**
+ [ATTENTION] This function is deprecated for security reason.
+
Convert a Null-terminated Unicode string to a Null-terminated
ASCII string and returns the ASCII string.
@@ -614,6 +1779,9 @@ StrHexToUint64 (
to the ASCII string Destination by copying the lower 8 bits of
each Unicode character. It returns Destination.
+ The caller is responsible to make sure Destination points to a buffer with size
+ equal or greater than ((StrLen (Source) + 1) * sizeof (CHAR8)) in bytes.
+
If any Unicode characters in Source contain non-zero value in
the upper 8 bits, then ASSERT().
@@ -630,8 +1798,8 @@ StrHexToUint64 (
than PcdMaximumAsciiStringLength Unicode characters not including the
Null-terminator, then ASSERT().
- @param Source Pointer to a Null-terminated Unicode string.
- @param Destination Pointer to a Null-terminated ASCII string.
+ @param Source The pointer to a Null-terminated Unicode string.
+ @param Destination The pointer to a Null-terminated ASCII string.
@return Destination.
@@ -643,8 +1811,116 @@ UnicodeStrToAsciiStr (
OUT CHAR8 *Destination
);
+#endif // !defined (DISABLE_NEW_DEPRECATED_INTERFACES)
+
+/**
+ Convert a Null-terminated Unicode string to a Null-terminated
+ ASCII string.
+
+ This function is similar to AsciiStrCpyS.
+
+ This function converts the content of the Unicode string Source
+ to the ASCII string Destination by copying the lower 8 bits of
+ each Unicode character. The function terminates the ASCII string
+ Destination by appending a Null-terminator character at the end.
+
+ The caller is responsible to make sure Destination points to a buffer with size
+ equal or greater than ((StrLen (Source) + 1) * sizeof (CHAR8)) in bytes.
+
+ If any Unicode characters in Source contain non-zero value in
+ the upper 8 bits, then ASSERT().
+
+ If Source is not aligned on a 16-bit boundary, then ASSERT().
+ If an error would be returned, then the function will also ASSERT().
+
+ If an error is returned, then the Destination is unmodified.
+
+ @param Source The pointer to a Null-terminated Unicode string.
+ @param Destination The pointer to a Null-terminated ASCII string.
+ @param DestMax The maximum number of Destination Ascii
+ char, including terminating null char.
+
+ @retval RETURN_SUCCESS String is converted.
+ @retval RETURN_BUFFER_TOO_SMALL If DestMax is NOT greater than StrLen(Source).
+ @retval RETURN_INVALID_PARAMETER If Destination is NULL.
+ If Source is NULL.
+ If PcdMaximumAsciiStringLength is not zero,
+ and DestMax is greater than
+ PcdMaximumAsciiStringLength.
+ If PcdMaximumUnicodeStringLength is not zero,
+ and DestMax is greater than
+ PcdMaximumUnicodeStringLength.
+ If DestMax is 0.
+ @retval RETURN_ACCESS_DENIED If Source and Destination overlap.
+
+**/
+RETURN_STATUS
+EFIAPI
+UnicodeStrToAsciiStrS (
+ IN CONST CHAR16 *Source,
+ OUT CHAR8 *Destination,
+ IN UINTN DestMax
+ );
+
+/**
+ Convert not more than Length successive characters from a Null-terminated
+ Unicode string to a Null-terminated Ascii string. If no null char is copied
+ from Source, then Destination[Length] is always set to null.
+
+ This function converts not more than Length successive characters from the
+ Unicode string Source to the Ascii string Destination by copying the lower 8
+ bits of each Unicode character. The function terminates the Ascii string
+ Destination by appending a Null-terminator character at the end.
+
+ The caller is responsible to make sure Destination points to a buffer with size
+ equal or greater than ((StrLen (Source) + 1) * sizeof (CHAR8)) in bytes.
+
+ If any Unicode characters in Source contain non-zero value in the upper 8
+ bits, then ASSERT().
+ If Source is not aligned on a 16-bit boundary, then ASSERT().
+ If an error would be returned, then the function will also ASSERT().
+
+ If an error is returned, then the Destination is unmodified.
+
+ @param Source The pointer to a Null-terminated Unicode string.
+ @param Length The maximum number of Unicode characters to
+ convert.
+ @param Destination The pointer to a Null-terminated Ascii string.
+ @param DestMax The maximum number of Destination Ascii
+ char, including terminating null char.
+ @param DestinationLength The number of Unicode characters converted.
+
+ @retval RETURN_SUCCESS String is converted.
+ @retval RETURN_INVALID_PARAMETER If Destination is NULL.
+ If Source is NULL.
+ If DestinationLength is NULL.
+ If PcdMaximumAsciiStringLength is not zero,
+ and Length or DestMax is greater than
+ PcdMaximumAsciiStringLength.
+ If PcdMaximumUnicodeStringLength is not
+ zero, and Length or DestMax is greater than
+ PcdMaximumUnicodeStringLength.
+ If DestMax is 0.
+ @retval RETURN_BUFFER_TOO_SMALL If DestMax is NOT greater than
+ MIN(StrLen(Source), Length).
+ @retval RETURN_ACCESS_DENIED If Source and Destination overlap.
+
+**/
+RETURN_STATUS
+EFIAPI
+UnicodeStrnToAsciiStrS (
+ IN CONST CHAR16 *Source,
+ IN UINTN Length,
+ OUT CHAR8 *Destination,
+ IN UINTN DestMax,
+ OUT UINTN *DestinationLength
+ );
+
+#ifndef DISABLE_NEW_DEPRECATED_INTERFACES
/**
+ [ATTENTION] This function is deprecated for security reason.
+
Copies one Null-terminated ASCII string to another Null-terminated ASCII
string and returns the new ASCII string.
@@ -659,8 +1935,8 @@ UnicodeStrToAsciiStr (
PcdMaximumAsciiStringLength ASCII characters not including the Null-terminator,
then ASSERT().
- @param Destination Pointer to a Null-terminated ASCII string.
- @param Source Pointer to a Null-terminated ASCII string.
+ @param Destination The pointer to a Null-terminated ASCII string.
+ @param Source The pointer to a Null-terminated ASCII string.
@return Destination
@@ -674,6 +1950,8 @@ AsciiStrCpy (
/**
+ [ATTENTION] This function is deprecated for security reason.
+
Copies up to a specified length one Null-terminated ASCII string to another
Null-terminated ASCII string and returns the new ASCII string.
@@ -687,13 +1965,15 @@ AsciiStrCpy (
If Destination is NULL, then ASSERT().
If Source is NULL, then ASSERT().
If Source and Destination overlap, then ASSERT().
+ If PcdMaximumAsciiStringLength is not zero, and Length is greater than
+ PcdMaximumAsciiStringLength, then ASSERT().
If PcdMaximumAsciiStringLength is not zero, and Source contains more than
- PcdMaximumAsciiStringLength ASCII characters not including the Null-terminator,
+ PcdMaximumAsciiStringLength ASCII characters, not including the Null-terminator,
then ASSERT().
- @param Destination Pointer to a Null-terminated ASCII string.
- @param Source Pointer to a Null-terminated ASCII string.
- @param Length Maximum number of ASCII characters to copy.
+ @param Destination The pointer to a Null-terminated ASCII string.
+ @param Source The pointer to a Null-terminated ASCII string.
+ @param Length The maximum number of ASCII characters to copy.
@return Destination
@@ -705,7 +1985,7 @@ AsciiStrnCpy (
IN CONST CHAR8 *Source,
IN UINTN Length
);
-
+#endif // !defined (DISABLE_NEW_DEPRECATED_INTERFACES)
/**
Returns the length of a Null-terminated ASCII string.
@@ -719,7 +1999,7 @@ AsciiStrnCpy (
PcdMaximumAsciiStringLength ASCII characters not including the Null-terminator,
then ASSERT().
- @param String Pointer to a Null-terminated ASCII string.
+ @param String The pointer to a Null-terminated ASCII string.
@return The length of String.
@@ -743,7 +2023,7 @@ AsciiStrLen (
PcdMaximumAsciiStringLength ASCII characters not including the Null-terminator,
then ASSERT().
- @param String Pointer to a Null-terminated ASCII string.
+ @param String The pointer to a Null-terminated ASCII string.
@return The size of String.
@@ -774,8 +2054,8 @@ AsciiStrSize (
than PcdMaximumAsciiStringLength ASCII characters not including the
Null-terminator, then ASSERT().
- @param FirstString Pointer to a Null-terminated ASCII string.
- @param SecondString Pointer to a Null-terminated ASCII string.
+ @param FirstString The pointer to a Null-terminated ASCII string.
+ @param SecondString The pointer to a Null-terminated ASCII string.
@retval ==0 FirstString is identical to SecondString.
@retval !=0 FirstString is not identical to SecondString.
@@ -809,8 +2089,8 @@ AsciiStrCmp (
than PcdMaximumAsciiStringLength ASCII characters not including the
Null-terminator, then ASSERT().
- @param FirstString Pointer to a Null-terminated ASCII string.
- @param SecondString Pointer to a Null-terminated ASCII string.
+ @param FirstString The pointer to a Null-terminated ASCII string.
+ @param SecondString The pointer to a Null-terminated ASCII string.
@retval ==0 FirstString is identical to SecondString using case insensitive
comparisons.
@@ -839,16 +2119,18 @@ AsciiStriCmp (
If Length > 0 and FirstString is NULL, then ASSERT().
If Length > 0 and SecondString is NULL, then ASSERT().
- If PcdMaximumAsciiStringLength is not zero and FirstString contains more than
- PcdMaximumAsciiStringLength ASCII characters not including the Null-terminator,
+ If PcdMaximumAsciiStringLength is not zero, and Length is greater than
+ PcdMaximumAsciiStringLength, then ASSERT().
+ If PcdMaximumAsciiStringLength is not zero, and FirstString contains more than
+ PcdMaximumAsciiStringLength ASCII characters, not including the Null-terminator,
then ASSERT().
- If PcdMaximumAsciiStringLength is not zero and SecondString contains more than
- PcdMaximumAsciiStringLength ASCII characters not including the Null-terminator,
+ If PcdMaximumAsciiStringLength is not zero, and SecondString contains more than
+ PcdMaximumAsciiStringLength ASCII characters, not including the Null-terminator,
then ASSERT().
- @param FirstString Pointer to a Null-terminated ASCII string.
- @param SecondString Pointer to a Null-terminated ASCII string.
- @param Length Maximum number of ASCII characters for compare.
+ @param FirstString The pointer to a Null-terminated ASCII string.
+ @param SecondString The pointer to a Null-terminated ASCII string.
+ @param Length The maximum number of ASCII characters for compare.
@retval ==0 FirstString is identical to SecondString.
@retval !=0 FirstString is not identical to SecondString.
@@ -863,7 +2145,11 @@ AsciiStrnCmp (
);
+#ifndef DISABLE_NEW_DEPRECATED_INTERFACES
+
/**
+ [ATTENTION] This function is deprecated for security reason.
+
Concatenates one Null-terminated ASCII string to another Null-terminated
ASCII string, and returns the concatenated ASCII string.
@@ -884,8 +2170,8 @@ AsciiStrnCmp (
Source results in a ASCII string with more than PcdMaximumAsciiStringLength
ASCII characters, then ASSERT().
- @param Destination Pointer to a Null-terminated ASCII string.
- @param Source Pointer to a Null-terminated ASCII string.
+ @param Destination The pointer to a Null-terminated ASCII string.
+ @param Source The pointer to a Null-terminated ASCII string.
@return Destination
@@ -899,6 +2185,8 @@ AsciiStrCat (
/**
+ [ATTENTION] This function is deprecated for security reason.
+
Concatenates up to a specified length one Null-terminated ASCII string to
the end of another Null-terminated ASCII string, and returns the
concatenated ASCII string.
@@ -914,19 +2202,21 @@ AsciiStrCat (
If Length > 0 and Destination is NULL, then ASSERT().
If Length > 0 and Source is NULL, then ASSERT().
If Source and Destination overlap, then ASSERT().
+ If PcdMaximumAsciiStringLength is not zero, and Length is greater than
+ PcdMaximumAsciiStringLength, then ASSERT().
If PcdMaximumAsciiStringLength is not zero, and Destination contains more than
- PcdMaximumAsciiStringLength ASCII characters not including the Null-terminator,
+ PcdMaximumAsciiStringLength ASCII characters, not including the Null-terminator,
then ASSERT().
If PcdMaximumAsciiStringLength is not zero, and Source contains more than
- PcdMaximumAsciiStringLength ASCII characters not including the Null-terminator,
+ PcdMaximumAsciiStringLength ASCII characters, not including the Null-terminator,
then ASSERT().
If PcdMaximumAsciiStringLength is not zero, and concatenating Destination and
Source results in a ASCII string with more than PcdMaximumAsciiStringLength
- ASCII characters not including the Null-terminator, then ASSERT().
+ ASCII characters, not including the Null-terminator, then ASSERT().
- @param Destination Pointer to a Null-terminated ASCII string.
- @param Source Pointer to a Null-terminated ASCII string.
- @param Length Maximum number of ASCII characters to concatenate from
+ @param Destination The pointer to a Null-terminated ASCII string.
+ @param Source The pointer to a Null-terminated ASCII string.
+ @param Length The maximum number of ASCII characters to concatenate from
Source.
@return Destination
@@ -939,7 +2229,7 @@ AsciiStrnCat (
IN CONST CHAR8 *Source,
IN UINTN Length
);
-
+#endif // !defined (DISABLE_NEW_DEPRECATED_INTERFACES)
/**
Returns the first occurrence of a Null-terminated ASCII sub-string
@@ -957,8 +2247,8 @@ AsciiStrnCat (
String contains more than PcdMaximumAsciiStringLength Unicode characters
not including the Null-terminator, then ASSERT().
- @param String Pointer to a Null-terminated ASCII string.
- @param SearchString Pointer to a Null-terminated ASCII string to search for.
+ @param String The pointer to a Null-terminated ASCII string.
+ @param SearchString The pointer to a Null-terminated ASCII string to search for.
@retval NULL If the SearchString does not appear in String.
@retval others If there is a match return the first occurrence of SearchingString.
@@ -992,15 +2282,15 @@ AsciiStrStr (
If String has only pad spaces, then 0 is returned.
If String has no pad spaces or valid decimal digits, then 0 is returned.
If the number represented by String overflows according to the range defined by
- UINTN, then ASSERT().
+ UINTN, then MAX_UINTN is returned.
If String is NULL, then ASSERT().
If PcdMaximumAsciiStringLength is not zero, and String contains more than
PcdMaximumAsciiStringLength ASCII characters not including the Null-terminator,
then ASSERT().
- @param String Pointer to a Null-terminated ASCII string.
+ @param String The pointer to a Null-terminated ASCII string.
- @retval Value translated from String.
+ @retval The value translated from String.
**/
UINTN
@@ -1029,13 +2319,13 @@ AsciiStrDecimalToUintn (
If String has only pad spaces, then 0 is returned.
If String has no pad spaces or valid decimal digits, then 0 is returned.
If the number represented by String overflows according to the range defined by
- UINT64, then ASSERT().
+ UINT64, then MAX_UINT64 is returned.
If String is NULL, then ASSERT().
If PcdMaximumAsciiStringLength is not zero, and String contains more than
PcdMaximumAsciiStringLength ASCII characters not including the Null-terminator,
then ASSERT().
- @param String Pointer to a Null-terminated ASCII string.
+ @param String The pointer to a Null-terminated ASCII string.
@retval Value translated from String.
@@ -1070,13 +2360,13 @@ AsciiStrDecimalToUint64 (
0 is returned.
If the number represented by String overflows according to the range defined by UINTN,
- then ASSERT().
+ then MAX_UINTN is returned.
If String is NULL, then ASSERT().
If PcdMaximumAsciiStringLength is not zero,
and String contains more than PcdMaximumAsciiStringLength ASCII characters not including
the Null-terminator, then ASSERT().
- @param String Pointer to a Null-terminated ASCII string.
+ @param String The pointer to a Null-terminated ASCII string.
@retval Value translated from String.
@@ -1111,13 +2401,13 @@ AsciiStrHexToUintn (
0 is returned.
If the number represented by String overflows according to the range defined by UINT64,
- then ASSERT().
+ then MAX_UINT64 is returned.
If String is NULL, then ASSERT().
If PcdMaximumAsciiStringLength is not zero,
and String contains more than PcdMaximumAsciiStringLength ASCII characters not including
the Null-terminator, then ASSERT().
- @param String Pointer to a Null-terminated ASCII string.
+ @param String The pointer to a Null-terminated ASCII string.
@retval Value translated from String.
@@ -1128,8 +2418,225 @@ AsciiStrHexToUint64 (
IN CONST CHAR8 *String
);
+/**
+ Convert a Null-terminated ASCII string to IPv6 address and prefix length.
+
+ This function outputs a value of type IPv6_ADDRESS and may output a value
+ of type UINT8 by interpreting the contents of the ASCII string specified
+ by String. The format of the input ASCII string String is as follows:
+
+ X:X:X:X:X:X:X:X[/P]
+
+ X contains one to four hexadecimal digit characters in the range [0-9], [a-f] and
+ [A-F]. X is converted to a value of type UINT16, whose low byte is stored in low
+ memory address and high byte is stored in high memory address. P contains decimal
+ digit characters in the range [0-9]. The running zero in the beginning of P will
+ be ignored. /P is optional.
+
+ When /P is not in the String, the function stops at the first character that is
+ not a valid hexadecimal digit character after eight X's are converted.
+
+ When /P is in the String, the function stops at the first character that is not
+ a valid decimal digit character after P is converted.
+
+ "::" can be used to compress one or more groups of X when X contains only 0.
+ The "::" can only appear once in the String.
+
+ If String is NULL, then ASSERT().
+
+ If Address is NULL, then ASSERT().
+
+ If EndPointer is not NULL and Address is translated from String, a pointer
+ to the character that stopped the scan is stored at the location pointed to
+ by EndPointer.
+
+ @param String Pointer to a Null-terminated ASCII string.
+ @param EndPointer Pointer to character that stops scan.
+ @param Address Pointer to the converted IPv6 address.
+ @param PrefixLength Pointer to the converted IPv6 address prefix
+ length. MAX_UINT8 is returned when /P is
+ not in the String.
+
+ @retval RETURN_SUCCESS Address is translated from String.
+ @retval RETURN_INVALID_PARAMETER If String is NULL.
+ If Data is NULL.
+ @retval RETURN_UNSUPPORTED If X contains more than four hexadecimal
+ digit characters.
+ If String contains "::" and number of X
+ is not less than 8.
+ If P starts with character that is not a
+ valid decimal digit character.
+ If the decimal number converted from P
+ exceeds 128.
+
+**/
+RETURN_STATUS
+EFIAPI
+AsciiStrToIpv6Address (
+ IN CONST CHAR8 *String,
+ OUT CHAR8 **EndPointer, OPTIONAL
+ OUT IPv6_ADDRESS *Address,
+ OUT UINT8 *PrefixLength OPTIONAL
+ );
+
+/**
+ Convert a Null-terminated ASCII string to IPv4 address and prefix length.
+
+ This function outputs a value of type IPv4_ADDRESS and may output a value
+ of type UINT8 by interpreting the contents of the ASCII string specified
+ by String. The format of the input ASCII string String is as follows:
+
+ D.D.D.D[/P]
+
+ D and P are decimal digit characters in the range [0-9]. The running zero in
+ the beginning of D and P will be ignored. /P is optional.
+
+ When /P is not in the String, the function stops at the first character that is
+ not a valid decimal digit character after four D's are converted.
+
+ When /P is in the String, the function stops at the first character that is not
+ a valid decimal digit character after P is converted.
+
+ If String is NULL, then ASSERT().
+
+ If Address is NULL, then ASSERT().
+
+ If EndPointer is not NULL and Address is translated from String, a pointer
+ to the character that stopped the scan is stored at the location pointed to
+ by EndPointer.
+
+ @param String Pointer to a Null-terminated ASCII string.
+ @param EndPointer Pointer to character that stops scan.
+ @param Address Pointer to the converted IPv4 address.
+ @param PrefixLength Pointer to the converted IPv4 address prefix
+ length. MAX_UINT8 is returned when /P is
+ not in the String.
+
+ @retval RETURN_SUCCESS Address is translated from String.
+ @retval RETURN_INVALID_PARAMETER If String is NULL.
+ If Data is NULL.
+ @retval RETURN_UNSUPPORTED If String is not in the correct format.
+ If any decimal number converted from D
+ exceeds 255.
+ If the decimal number converted from P
+ exceeds 32.
+
+**/
+RETURN_STATUS
+EFIAPI
+AsciiStrToIpv4Address (
+ IN CONST CHAR8 *String,
+ OUT CHAR8 **EndPointer, OPTIONAL
+ OUT IPv4_ADDRESS *Address,
+ OUT UINT8 *PrefixLength OPTIONAL
+ );
+
+/**
+ Convert a Null-terminated ASCII GUID string to a value of type
+ EFI_GUID.
+
+ This function outputs a GUID value by interpreting the contents of
+ the ASCII string specified by String. The format of the input
+ ASCII string String consists of 36 characters, as follows:
+
+ aabbccdd-eeff-gghh-iijj-kkllmmnnoopp
+
+ The pairs aa - pp are two characters in the range [0-9], [a-f] and
+ [A-F], with each pair representing a single byte hexadecimal value.
+
+ The mapping between String and the EFI_GUID structure is as follows:
+ aa Data1[24:31]
+ bb Data1[16:23]
+ cc Data1[8:15]
+ dd Data1[0:7]
+ ee Data2[8:15]
+ ff Data2[0:7]
+ gg Data3[8:15]
+ hh Data3[0:7]
+ ii Data4[0:7]
+ jj Data4[8:15]
+ kk Data4[16:23]
+ ll Data4[24:31]
+ mm Data4[32:39]
+ nn Data4[40:47]
+ oo Data4[48:55]
+ pp Data4[56:63]
+
+ If String is NULL, then ASSERT().
+ If Guid is NULL, then ASSERT().
+
+ @param String Pointer to a Null-terminated ASCII string.
+ @param Guid Pointer to the converted GUID.
+
+ @retval RETURN_SUCCESS Guid is translated from String.
+ @retval RETURN_INVALID_PARAMETER If String is NULL.
+ If Data is NULL.
+ @retval RETURN_UNSUPPORTED If String is not as the above format.
+
+**/
+RETURN_STATUS
+EFIAPI
+AsciiStrToGuid (
+ IN CONST CHAR8 *String,
+ OUT GUID *Guid
+ );
+
+/**
+ Convert a Null-terminated ASCII hexadecimal string to a byte array.
+
+ This function outputs a byte array by interpreting the contents of
+ the ASCII string specified by String in hexadecimal format. The format of
+ the input ASCII string String is:
+
+ [XX]*
+
+ X is a hexadecimal digit character in the range [0-9], [a-f] and [A-F].
+ The function decodes every two hexadecimal digit characters as one byte. The
+ decoding stops after Length of characters and outputs Buffer containing
+ (Length / 2) bytes.
+
+ If String is NULL, then ASSERT().
+
+ If Buffer is NULL, then ASSERT().
+
+ If Length is not multiple of 2, then ASSERT().
+
+ If PcdMaximumAsciiStringLength is not zero and Length is greater than
+ PcdMaximumAsciiStringLength, then ASSERT().
+
+ If MaxBufferSize is less than (Length / 2), then ASSERT().
+
+ @param String Pointer to a Null-terminated ASCII string.
+ @param Length The number of ASCII characters to decode.
+ @param Buffer Pointer to the converted bytes array.
+ @param MaxBufferSize The maximum size of Buffer.
+
+ @retval RETURN_SUCCESS Buffer is translated from String.
+ @retval RETURN_INVALID_PARAMETER If String is NULL.
+ If Data is NULL.
+ If Length is not multiple of 2.
+ If PcdMaximumAsciiStringLength is not zero,
+ and Length is greater than
+ PcdMaximumAsciiStringLength.
+ @retval RETURN_UNSUPPORTED If Length of characters from String contain
+ a character that is not valid hexadecimal
+ digit characters, or a Null-terminator.
+ @retval RETURN_BUFFER_TOO_SMALL If MaxBufferSize is less than (Length / 2).
+**/
+RETURN_STATUS
+EFIAPI
+AsciiStrHexToBytes (
+ IN CONST CHAR8 *String,
+ IN UINTN Length,
+ OUT UINT8 *Buffer,
+ IN UINTN MaxBufferSize
+ );
+
+#ifndef DISABLE_NEW_DEPRECATED_INTERFACES
/**
+ [ATTENTION] This function is deprecated for security reason.
+
Convert one Null-terminated ASCII string to a Null-terminated
Unicode string and returns the Unicode string.
@@ -1150,8 +2657,8 @@ AsciiStrHexToUint64 (
PcdMaximumUnicodeStringLength ASCII characters not including the
Null-terminator, then ASSERT().
- @param Source Pointer to a Null-terminated ASCII string.
- @param Destination Pointer to a Null-terminated Unicode string.
+ @param Source The pointer to a Null-terminated ASCII string.
+ @param Destination The pointer to a Null-terminated Unicode string.
@return Destination.
@@ -1163,6 +2670,105 @@ AsciiStrToUnicodeStr (
OUT CHAR16 *Destination
);
+#endif // !defined (DISABLE_NEW_DEPRECATED_INTERFACES)
+
+/**
+ Convert one Null-terminated ASCII string to a Null-terminated
+ Unicode string.
+
+ This function is similar to StrCpyS.
+
+ This function converts the contents of the ASCII string Source to the Unicode
+ string Destination. The function terminates the Unicode string Destination by
+ appending a Null-terminator character at the end.
+
+ The caller is responsible to make sure Destination points to a buffer with size
+ equal or greater than ((AsciiStrLen (Source) + 1) * sizeof (CHAR16)) in bytes.
+
+ If Destination is not aligned on a 16-bit boundary, then ASSERT().
+ If an error would be returned, then the function will also ASSERT().
+
+ If an error is returned, then the Destination is unmodified.
+
+ @param Source The pointer to a Null-terminated ASCII string.
+ @param Destination The pointer to a Null-terminated Unicode string.
+ @param DestMax The maximum number of Destination Unicode
+ char, including terminating null char.
+
+ @retval RETURN_SUCCESS String is converted.
+ @retval RETURN_BUFFER_TOO_SMALL If DestMax is NOT greater than StrLen(Source).
+ @retval RETURN_INVALID_PARAMETER If Destination is NULL.
+ If Source is NULL.
+ If PcdMaximumUnicodeStringLength is not zero,
+ and DestMax is greater than
+ PcdMaximumUnicodeStringLength.
+ If PcdMaximumAsciiStringLength is not zero,
+ and DestMax is greater than
+ PcdMaximumAsciiStringLength.
+ If DestMax is 0.
+ @retval RETURN_ACCESS_DENIED If Source and Destination overlap.
+
+**/
+RETURN_STATUS
+EFIAPI
+AsciiStrToUnicodeStrS (
+ IN CONST CHAR8 *Source,
+ OUT CHAR16 *Destination,
+ IN UINTN DestMax
+ );
+
+/**
+ Convert not more than Length successive characters from a Null-terminated
+ Ascii string to a Null-terminated Unicode string. If no null char is copied
+ from Source, then Destination[Length] is always set to null.
+
+ This function converts not more than Length successive characters from the
+ Ascii string Source to the Unicode string Destination. The function
+ terminates the Unicode string Destination by appending a Null-terminator
+ character at the end.
+
+ The caller is responsible to make sure Destination points to a buffer with
+ size not smaller than
+ ((MIN(AsciiStrLen(Source), Length) + 1) * sizeof (CHAR8)) in bytes.
+
+ If Destination is not aligned on a 16-bit boundary, then ASSERT().
+ If an error would be returned, then the function will also ASSERT().
+
+ If an error is returned, then Destination and DestinationLength are
+ unmodified.
+
+ @param Source The pointer to a Null-terminated Ascii string.
+ @param Length The maximum number of Ascii characters to convert.
+ @param Destination The pointer to a Null-terminated Unicode string.
+ @param DestMax The maximum number of Destination Unicode char,
+ including terminating null char.
+ @param DestinationLength The number of Ascii characters converted.
+
+ @retval RETURN_SUCCESS String is converted.
+ @retval RETURN_INVALID_PARAMETER If Destination is NULL.
+ If Source is NULL.
+ If DestinationLength is NULL.
+ If PcdMaximumUnicodeStringLength is not
+ zero, and Length or DestMax is greater than
+ PcdMaximumUnicodeStringLength.
+ If PcdMaximumAsciiStringLength is not zero,
+ and Length or DestMax is greater than
+ PcdMaximumAsciiStringLength.
+ If DestMax is 0.
+ @retval RETURN_BUFFER_TOO_SMALL If DestMax is NOT greater than
+ MIN(AsciiStrLen(Source), Length).
+ @retval RETURN_ACCESS_DENIED If Source and Destination overlap.
+
+**/
+RETURN_STATUS
+EFIAPI
+AsciiStrnToUnicodeStrS (
+ IN CONST CHAR8 *Source,
+ IN UINTN Length,
+ OUT CHAR16 *Destination,
+ IN UINTN DestMax,
+ OUT UINTN *DestinationLength
+ );
/**
Converts an 8-bit value to an 8-bit BCD value.
@@ -1204,6 +2810,42 @@ BcdToDecimal8 (
IN UINT8 Value
);
+//
+// File Path Manipulation Functions
+//
+
+/**
+ Removes the last directory or file entry in a path.
+
+ @param[in, out] Path The pointer to the path to modify.
+
+ @retval FALSE Nothing was found to remove.
+ @retval TRUE A directory or file was removed.
+**/
+BOOLEAN
+EFIAPI
+PathRemoveLastItem(
+ IN OUT CHAR16 *Path
+ );
+
+/**
+ Function to clean up paths.
+ - Single periods in the path are removed.
+ - Double periods in the path are removed along with a single parent directory.
+ - Forward slashes L'/' are converted to backward slashes L'\'.
+
+ This will be done inline and the existing buffer may be larger than required
+ upon completion.
+
+ @param[in] Path The pointer to the string containing the path.
+
+ @return Returns Path, otherwise returns NULL to indicate that an error has occurred.
+**/
+CHAR16*
+EFIAPI
+PathCleanUpDirectories(
+ IN CHAR16 *Path
+ );
//
// Linked List Functions and Macros
@@ -1226,6 +2868,33 @@ BcdToDecimal8 (
#define INITIALIZE_LIST_HEAD_VARIABLE(ListHead) {&(ListHead), &(ListHead)}
+/**
+ Checks whether FirstEntry and SecondEntry are part of the same doubly-linked
+ list.
+
+ If FirstEntry is NULL, then ASSERT().
+ If FirstEntry->ForwardLink is NULL, then ASSERT().
+ If FirstEntry->BackLink is NULL, then ASSERT().
+ If SecondEntry is NULL, then ASSERT();
+ If PcdMaximumLinkedListLength is not zero, and List contains more than
+ PcdMaximumLinkedListLength nodes, then ASSERT().
+
+ @param FirstEntry A pointer to a node in a linked list.
+ @param SecondEntry A pointer to the node to locate.
+
+ @retval TRUE SecondEntry is in the same doubly-linked list as FirstEntry.
+ @retval FALSE SecondEntry isn't in the same doubly-linked list as FirstEntry,
+ or FirstEntry is invalid.
+
+**/
+BOOLEAN
+EFIAPI
+IsNodeInList (
+ IN CONST LIST_ENTRY *FirstEntry,
+ IN CONST LIST_ENTRY *SecondEntry
+ );
+
+
/**
Initializes the head node of a doubly linked list, and returns the pointer to
the head node of the doubly linked list.
@@ -1260,7 +2929,7 @@ InitializeListHead (
If Entry is NULL, then ASSERT().
If ListHead was not initialized with INTIALIZE_LIST_HEAD_VARIABLE() or
InitializeListHead(), then ASSERT().
- If PcdMaximumLinkedListLenth is not zero, and prior to insertion the number
+ If PcdMaximumLinkedListLength is not zero, and prior to insertion the number
of nodes in ListHead, including the ListHead node, is greater than or
equal to PcdMaximumLinkedListLength, then ASSERT().
@@ -1290,7 +2959,7 @@ InsertHeadList (
If Entry is NULL, then ASSERT().
If ListHead was not initialized with INTIALIZE_LIST_HEAD_VARIABLE() or
InitializeListHead(), then ASSERT().
- If PcdMaximumLinkedListLenth is not zero, and prior to insertion the number
+ If PcdMaximumLinkedListLength is not zero, and prior to insertion the number
of nodes in ListHead, including the ListHead node, is greater than or
equal to PcdMaximumLinkedListLength, then ASSERT().
@@ -1319,14 +2988,14 @@ InsertTailList (
If List is NULL, then ASSERT().
If List was not initialized with INTIALIZE_LIST_HEAD_VARIABLE() or
InitializeListHead(), then ASSERT().
- If PcdMaximumLinkedListLenth is not zero, and the number of nodes
+ If PcdMaximumLinkedListLength is not zero, and the number of nodes
in List, including the List node, is greater than or equal to
PcdMaximumLinkedListLength, then ASSERT().
@param List A pointer to the head node of a doubly linked list.
@return The first node of a doubly linked list.
- @retval NULL The list is empty.
+ @retval List The list is empty.
**/
LIST_ENTRY *
@@ -1347,25 +3016,53 @@ GetFirstNode (
If Node is NULL, then ASSERT().
If List was not initialized with INTIALIZE_LIST_HEAD_VARIABLE() or
InitializeListHead(), then ASSERT().
- If PcdMaximumLinkedListLenth is not zero, and List contains more than
- PcdMaximumLinkedListLenth nodes, then ASSERT().
- If Node is not a node in List, then ASSERT().
+ If PcdMaximumLinkedListLength is not zero, and List contains more than
+ PcdMaximumLinkedListLength nodes, then ASSERT().
+ If PcdVerifyNodeInList is TRUE and Node is not a node in List, then ASSERT().
+
+ @param List A pointer to the head node of a doubly linked list.
+ @param Node A pointer to a node in the doubly linked list.
+
+ @return The pointer to the next node if one exists. Otherwise List is returned.
+
+**/
+LIST_ENTRY *
+EFIAPI
+GetNextNode (
+ IN CONST LIST_ENTRY *List,
+ IN CONST LIST_ENTRY *Node
+ );
+
+/**
+ Retrieves the previous node of a doubly linked list.
+
+ Returns the node of a doubly linked list that precedes Node.
+ List must have been initialized with INTIALIZE_LIST_HEAD_VARIABLE()
+ or InitializeListHead(). If List is empty, then List is returned.
+
+ If List is NULL, then ASSERT().
+ If Node is NULL, then ASSERT().
+ If List was not initialized with INTIALIZE_LIST_HEAD_VARIABLE() or
+ InitializeListHead(), then ASSERT().
+ If PcdMaximumLinkedListLength is not zero, and List contains more than
+ PcdMaximumLinkedListLength nodes, then ASSERT().
+ If PcdVerifyNodeInList is TRUE and Node is not a node in List, then ASSERT().
+
@param List A pointer to the head node of a doubly linked list.
@param Node A pointer to a node in the doubly linked list.
-
- @return Pointer to the next node if one exists. Otherwise a null value which
- is actually List is returned.
-
+
+ @return The pointer to the previous node if one exists. Otherwise List is returned.
+
**/
LIST_ENTRY *
EFIAPI
-GetNextNode (
+GetPreviousNode (
IN CONST LIST_ENTRY *List,
IN CONST LIST_ENTRY *Node
);
-
+
/**
Checks to see if a doubly linked list is empty or not.
@@ -1375,7 +3072,7 @@ GetNextNode (
If ListHead is NULL, then ASSERT().
If ListHead was not initialized with INTIALIZE_LIST_HEAD_VARIABLE() or
InitializeListHead(), then ASSERT().
- If PcdMaximumLinkedListLenth is not zero, and the number of nodes
+ If PcdMaximumLinkedListLength is not zero, and the number of nodes
in List, including the List node, is greater than or equal to
PcdMaximumLinkedListLength, then ASSERT().
@@ -1405,16 +3102,17 @@ IsListEmpty (
If Node is NULL, then ASSERT().
If List was not initialized with INTIALIZE_LIST_HEAD_VARIABLE() or InitializeListHead(),
then ASSERT().
- If PcdMaximumLinkedListLenth is not zero, and the number of nodes
+ If PcdMaximumLinkedListLength is not zero, and the number of nodes
in List, including the List node, is greater than or equal to
PcdMaximumLinkedListLength, then ASSERT().
- If Node is not a node in List and Node is not equal to List, then ASSERT().
+ If PcdVerifyNodeInList is TRUE and Node is not a node in List the and Node is not equal
+ to List, then ASSERT().
@param List A pointer to the head node of a doubly linked list.
@param Node A pointer to a node in the doubly linked list.
- @retval TRUE Node is one of the nodes in the doubly linked list.
- @retval FALSE Node is not one of the nodes in the doubly linked list.
+ @retval TRUE Node is the head of the doubly-linked list pointed by List.
+ @retval FALSE Node is not the head of the doubly-linked list pointed by List.
**/
BOOLEAN
@@ -1436,10 +3134,10 @@ IsNull (
If Node is NULL, then ASSERT().
If List was not initialized with INTIALIZE_LIST_HEAD_VARIABLE() or
InitializeListHead(), then ASSERT().
- If PcdMaximumLinkedListLenth is not zero, and the number of nodes
+ If PcdMaximumLinkedListLength is not zero, and the number of nodes
in List, including the List node, is greater than or equal to
PcdMaximumLinkedListLength, then ASSERT().
- If Node is not a node in List, then ASSERT().
+ If PcdVerifyNodeInList is TRUE and Node is not a node in List, then ASSERT().
@param List A pointer to the head node of a doubly linked list.
@param Node A pointer to a node in the doubly linked list.
@@ -1469,7 +3167,8 @@ IsNodeAtEnd (
If FirstEntry is NULL, then ASSERT().
If SecondEntry is NULL, then ASSERT().
- If SecondEntry and FirstEntry are not in the same linked list, then ASSERT().
+ If PcdVerifyNodeInList is TRUE and SecondEntry and FirstEntry are not in the
+ same linked list, then ASSERT().
If PcdMaximumLinkedListLength is not zero, and the number of nodes in the
linked list containing the FirstEntry and SecondEntry nodes, including
the FirstEntry and SecondEntry nodes, is greater than or equal to
@@ -1809,7 +3508,7 @@ GetPowerOfTwo64 (
/**
- Switches the endianess of a 16-bit integer.
+ Switches the endianness of a 16-bit integer.
This function swaps the bytes in a 16-bit unsigned value to switch the value
from little endian to big endian or vice versa. The byte swapped value is
@@ -1828,7 +3527,7 @@ SwapBytes16 (
/**
- Switches the endianess of a 32-bit integer.
+ Switches the endianness of a 32-bit integer.
This function swaps the bytes in a 32-bit unsigned value to switch the value
from little endian to big endian or vice versa. The byte swapped value is
@@ -1847,7 +3546,7 @@ SwapBytes32 (
/**
- Switches the endianess of a 64-bit integer.
+ Switches the endianness of a 64-bit integer.
This function swaps the bytes in a 64-bit unsigned value to switch the value
from little endian to big endian or vice versa. The byte swapped value is
@@ -1898,7 +3597,7 @@ MultU64x32 (
@param Multiplicand A 64-bit unsigned value.
@param Multiplier A 64-bit unsigned value.
- @return Multiplicand * Multiplier
+ @return Multiplicand * Multiplier.
**/
UINT64
@@ -1944,7 +3643,7 @@ MultS64x64 (
@param Dividend A 64-bit unsigned value.
@param Divisor A 32-bit unsigned value.
- @return Dividend / Divisor
+ @return Dividend / Divisor.
**/
UINT64
@@ -1968,7 +3667,7 @@ DivU64x32 (
@param Dividend A 64-bit unsigned value.
@param Divisor A 32-bit unsigned value.
- @return Dividend % Divisor
+ @return Dividend % Divisor.
**/
UINT32
@@ -1995,7 +3694,7 @@ ModU64x32 (
@param Remainder A pointer to a 32-bit unsigned value. This parameter is
optional and may be NULL.
- @return Dividend / Divisor
+ @return Dividend / Divisor.
**/
UINT64
@@ -2023,7 +3722,7 @@ DivU64x32Remainder (
@param Remainder A pointer to a 64-bit unsigned value. This parameter is
optional and may be NULL.
- @return Dividend / Divisor
+ @return Dividend / Divisor.
**/
UINT64
@@ -2055,7 +3754,7 @@ DivU64x64Remainder (
@param Remainder A pointer to a 64-bit signed value. This parameter is
optional and may be NULL.
- @return Dividend / Divisor
+ @return Dividend / Divisor.
**/
INT64
@@ -2075,7 +3774,7 @@ DivS64x64Remainder (
If the Buffer is NULL, then ASSERT().
- @param Buffer Pointer to a 16-bit value that may be unaligned.
+ @param Buffer The pointer to a 16-bit value that may be unaligned.
@return The 16-bit value read from Buffer.
@@ -2096,7 +3795,7 @@ ReadUnaligned16 (
If the Buffer is NULL, then ASSERT().
- @param Buffer Pointer to a 16-bit value that may be unaligned.
+ @param Buffer The pointer to a 16-bit value that may be unaligned.
@param Value 16-bit value to write to Buffer.
@return The 16-bit value to write to Buffer.
@@ -2118,7 +3817,7 @@ WriteUnaligned16 (
If the Buffer is NULL, then ASSERT().
- @param Buffer Pointer to a 24-bit value that may be unaligned.
+ @param Buffer The pointer to a 24-bit value that may be unaligned.
@return The 24-bit value read from Buffer.
@@ -2139,7 +3838,7 @@ ReadUnaligned24 (
If the Buffer is NULL, then ASSERT().
- @param Buffer Pointer to a 24-bit value that may be unaligned.
+ @param Buffer The pointer to a 24-bit value that may be unaligned.
@param Value 24-bit value to write to Buffer.
@return The 24-bit value to write to Buffer.
@@ -2161,7 +3860,7 @@ WriteUnaligned24 (
If the Buffer is NULL, then ASSERT().
- @param Buffer Pointer to a 32-bit value that may be unaligned.
+ @param Buffer The pointer to a 32-bit value that may be unaligned.
@return The 32-bit value read from Buffer.
@@ -2182,7 +3881,7 @@ ReadUnaligned32 (
If the Buffer is NULL, then ASSERT().
- @param Buffer Pointer to a 32-bit value that may be unaligned.
+ @param Buffer The pointer to a 32-bit value that may be unaligned.
@param Value 32-bit value to write to Buffer.
@return The 32-bit value to write to Buffer.
@@ -2204,7 +3903,7 @@ WriteUnaligned32 (
If the Buffer is NULL, then ASSERT().
- @param Buffer Pointer to a 64-bit value that may be unaligned.
+ @param Buffer The pointer to a 64-bit value that may be unaligned.
@return The 64-bit value read from Buffer.
@@ -2225,7 +3924,7 @@ ReadUnaligned64 (
If the Buffer is NULL, then ASSERT().
- @param Buffer Pointer to a 64-bit value that may be unaligned.
+ @param Buffer The pointer to a 64-bit value that may be unaligned.
@param Value 64-bit value to write to Buffer.
@return The 64-bit value to write to Buffer.
@@ -2282,6 +3981,7 @@ BitFieldRead8 (
If StartBit is greater than 7, then ASSERT().
If EndBit is greater than 7, then ASSERT().
If EndBit is less than StartBit, then ASSERT().
+ If Value is larger than the bitmask value range specified by StartBit and EndBit, then ASSERT().
@param Operand Operand on which to perform the bitfield operation.
@param StartBit The ordinal of the least significant bit in the bit field.
@@ -2315,6 +4015,7 @@ BitFieldWrite8 (
If StartBit is greater than 7, then ASSERT().
If EndBit is greater than 7, then ASSERT().
If EndBit is less than StartBit, then ASSERT().
+ If OrData is larger than the bitmask value range specified by StartBit and EndBit, then ASSERT().
@param Operand Operand on which to perform the bitfield operation.
@param StartBit The ordinal of the least significant bit in the bit field.
@@ -2348,6 +4049,7 @@ BitFieldOr8 (
If StartBit is greater than 7, then ASSERT().
If EndBit is greater than 7, then ASSERT().
If EndBit is less than StartBit, then ASSERT().
+ If AndData is larger than the bitmask value range specified by StartBit and EndBit, then ASSERT().
@param Operand Operand on which to perform the bitfield operation.
@param StartBit The ordinal of the least significant bit in the bit field.
@@ -2382,6 +4084,8 @@ BitFieldAnd8 (
If StartBit is greater than 7, then ASSERT().
If EndBit is greater than 7, then ASSERT().
If EndBit is less than StartBit, then ASSERT().
+ If AndData is larger than the bitmask value range specified by StartBit and EndBit, then ASSERT().
+ If OrData is larger than the bitmask value range specified by StartBit and EndBit, then ASSERT().
@param Operand Operand on which to perform the bitfield operation.
@param StartBit The ordinal of the least significant bit in the bit field.
@@ -2444,6 +4148,7 @@ BitFieldRead16 (
If StartBit is greater than 15, then ASSERT().
If EndBit is greater than 15, then ASSERT().
If EndBit is less than StartBit, then ASSERT().
+ If Value is larger than the bitmask value range specified by StartBit and EndBit, then ASSERT().
@param Operand Operand on which to perform the bitfield operation.
@param StartBit The ordinal of the least significant bit in the bit field.
@@ -2477,6 +4182,7 @@ BitFieldWrite16 (
If StartBit is greater than 15, then ASSERT().
If EndBit is greater than 15, then ASSERT().
If EndBit is less than StartBit, then ASSERT().
+ If OrData is larger than the bitmask value range specified by StartBit and EndBit, then ASSERT().
@param Operand Operand on which to perform the bitfield operation.
@param StartBit The ordinal of the least significant bit in the bit field.
@@ -2510,6 +4216,7 @@ BitFieldOr16 (
If StartBit is greater than 15, then ASSERT().
If EndBit is greater than 15, then ASSERT().
If EndBit is less than StartBit, then ASSERT().
+ If AndData is larger than the bitmask value range specified by StartBit and EndBit, then ASSERT().
@param Operand Operand on which to perform the bitfield operation.
@param StartBit The ordinal of the least significant bit in the bit field.
@@ -2544,6 +4251,8 @@ BitFieldAnd16 (
If StartBit is greater than 15, then ASSERT().
If EndBit is greater than 15, then ASSERT().
If EndBit is less than StartBit, then ASSERT().
+ If AndData is larger than the bitmask value range specified by StartBit and EndBit, then ASSERT().
+ If OrData is larger than the bitmask value range specified by StartBit and EndBit, then ASSERT().
@param Operand Operand on which to perform the bitfield operation.
@param StartBit The ordinal of the least significant bit in the bit field.
@@ -2606,6 +4315,7 @@ BitFieldRead32 (
If StartBit is greater than 31, then ASSERT().
If EndBit is greater than 31, then ASSERT().
If EndBit is less than StartBit, then ASSERT().
+ If Value is larger than the bitmask value range specified by StartBit and EndBit, then ASSERT().
@param Operand Operand on which to perform the bitfield operation.
@param StartBit The ordinal of the least significant bit in the bit field.
@@ -2639,13 +4349,14 @@ BitFieldWrite32 (
If StartBit is greater than 31, then ASSERT().
If EndBit is greater than 31, then ASSERT().
If EndBit is less than StartBit, then ASSERT().
+ If OrData is larger than the bitmask value range specified by StartBit and EndBit, then ASSERT().
@param Operand Operand on which to perform the bitfield operation.
@param StartBit The ordinal of the least significant bit in the bit field.
Range 0..31.
@param EndBit The ordinal of the most significant bit in the bit field.
Range 0..31.
- @param OrData The value to OR with the read value from the value
+ @param OrData The value to OR with the read value from the value.
@return The new 32-bit value.
@@ -2672,6 +4383,7 @@ BitFieldOr32 (
If StartBit is greater than 31, then ASSERT().
If EndBit is greater than 31, then ASSERT().
If EndBit is less than StartBit, then ASSERT().
+ If AndData is larger than the bitmask value range specified by StartBit and EndBit, then ASSERT().
@param Operand Operand on which to perform the bitfield operation.
@param StartBit The ordinal of the least significant bit in the bit field.
@@ -2706,6 +4418,8 @@ BitFieldAnd32 (
If StartBit is greater than 31, then ASSERT().
If EndBit is greater than 31, then ASSERT().
If EndBit is less than StartBit, then ASSERT().
+ If AndData is larger than the bitmask value range specified by StartBit and EndBit, then ASSERT().
+ If OrData is larger than the bitmask value range specified by StartBit and EndBit, then ASSERT().
@param Operand Operand on which to perform the bitfield operation.
@param StartBit The ordinal of the least significant bit in the bit field.
@@ -2768,6 +4482,7 @@ BitFieldRead64 (
If StartBit is greater than 63, then ASSERT().
If EndBit is greater than 63, then ASSERT().
If EndBit is less than StartBit, then ASSERT().
+ If Value is larger than the bitmask value range specified by StartBit and EndBit, then ASSERT().
@param Operand Operand on which to perform the bitfield operation.
@param StartBit The ordinal of the least significant bit in the bit field.
@@ -2801,6 +4516,7 @@ BitFieldWrite64 (
If StartBit is greater than 63, then ASSERT().
If EndBit is greater than 63, then ASSERT().
If EndBit is less than StartBit, then ASSERT().
+ If OrData is larger than the bitmask value range specified by StartBit and EndBit, then ASSERT().
@param Operand Operand on which to perform the bitfield operation.
@param StartBit The ordinal of the least significant bit in the bit field.
@@ -2834,6 +4550,7 @@ BitFieldOr64 (
If StartBit is greater than 63, then ASSERT().
If EndBit is greater than 63, then ASSERT().
If EndBit is less than StartBit, then ASSERT().
+ If AndData is larger than the bitmask value range specified by StartBit and EndBit, then ASSERT().
@param Operand Operand on which to perform the bitfield operation.
@param StartBit The ordinal of the least significant bit in the bit field.
@@ -2868,6 +4585,8 @@ BitFieldAnd64 (
If StartBit is greater than 63, then ASSERT().
If EndBit is greater than 63, then ASSERT().
If EndBit is less than StartBit, then ASSERT().
+ If AndData is larger than the bitmask value range specified by StartBit and EndBit, then ASSERT().
+ If OrData is larger than the bitmask value range specified by StartBit and EndBit, then ASSERT().
@param Operand Operand on which to perform the bitfield operation.
@param StartBit The ordinal of the least significant bit in the bit field.
@@ -2890,255 +4609,6 @@ BitFieldAndThenOr64 (
IN UINT64 OrData
);
-
-//
-// Base Library Synchronization Functions
-//
-
-/**
- Retrieves the architecture specific spin lock alignment requirements for
- optimal spin lock performance.
-
- This function retrieves the spin lock alignment requirements for optimal
- performance on a given CPU architecture. The spin lock alignment must be a
- power of two and is returned by this function. If there are no alignment
- requirements, then 1 must be returned. The spin lock synchronization
- functions must function correctly if the spin lock size and alignment values
- returned by this function are not used at all. These values are hints to the
- consumers of the spin lock synchronization functions to obtain optimal spin
- lock performance.
-
- @return The architecture specific spin lock alignment.
-
-**/
-UINTN
-EFIAPI
-GetSpinLockProperties (
- VOID
- );
-
-
-/**
- Initializes a spin lock to the released state and returns the spin lock.
-
- This function initializes the spin lock specified by SpinLock to the released
- state, and returns SpinLock. Optimal performance can be achieved by calling
- GetSpinLockProperties() to determine the size and alignment requirements for
- SpinLock.
-
- If SpinLock is NULL, then ASSERT().
-
- @param SpinLock A pointer to the spin lock to initialize to the released
- state.
-
- @return SpinLock in release state.
-
-**/
-SPIN_LOCK *
-EFIAPI
-InitializeSpinLock (
- OUT SPIN_LOCK *SpinLock
- );
-
-
-/**
- Waits until a spin lock can be placed in the acquired state.
-
- This function checks the state of the spin lock specified by SpinLock. If
- SpinLock is in the released state, then this function places SpinLock in the
- acquired state and returns SpinLock. Otherwise, this function waits
- indefinitely for the spin lock to be released, and then places it in the
- acquired state and returns SpinLock. All state transitions of SpinLock must
- be performed using MP safe mechanisms.
-
- If SpinLock is NULL, then ASSERT().
- If SpinLock was not initialized with InitializeSpinLock(), then ASSERT().
- If PcdSpinLockTimeout is not zero, and SpinLock is can not be acquired in
- PcdSpinLockTimeout microseconds, then ASSERT().
-
- @param SpinLock A pointer to the spin lock to place in the acquired state.
-
- @return SpinLock acquired lock.
-
-**/
-SPIN_LOCK *
-EFIAPI
-AcquireSpinLock (
- IN OUT SPIN_LOCK *SpinLock
- );
-
-
-/**
- Attempts to place a spin lock in the acquired state.
-
- This function checks the state of the spin lock specified by SpinLock. If
- SpinLock is in the released state, then this function places SpinLock in the
- acquired state and returns TRUE. Otherwise, FALSE is returned. All state
- transitions of SpinLock must be performed using MP safe mechanisms.
-
- If SpinLock is NULL, then ASSERT().
- If SpinLock was not initialized with InitializeSpinLock(), then ASSERT().
-
- @param SpinLock A pointer to the spin lock to place in the acquired state.
-
- @retval TRUE SpinLock was placed in the acquired state.
- @retval FALSE SpinLock could not be acquired.
-
-**/
-BOOLEAN
-EFIAPI
-AcquireSpinLockOrFail (
- IN OUT SPIN_LOCK *SpinLock
- );
-
-
-/**
- Releases a spin lock.
-
- This function places the spin lock specified by SpinLock in the release state
- and returns SpinLock.
-
- If SpinLock is NULL, then ASSERT().
- If SpinLock was not initialized with InitializeSpinLock(), then ASSERT().
-
- @param SpinLock A pointer to the spin lock to release.
-
- @return SpinLock released lock.
-
-**/
-SPIN_LOCK *
-EFIAPI
-ReleaseSpinLock (
- IN OUT SPIN_LOCK *SpinLock
- );
-
-
-/**
- Performs an atomic increment of an 32-bit unsigned integer.
-
- Performs an atomic increment of the 32-bit unsigned integer specified by
- Value and returns the incremented value. The increment operation must be
- performed using MP safe mechanisms. The state of the return value is not
- guaranteed to be MP safe.
-
- If Value is NULL, then ASSERT().
-
- @param Value A pointer to the 32-bit value to increment.
-
- @return The incremented value.
-
-**/
-UINT32
-EFIAPI
-InterlockedIncrement (
- IN UINT32 *Value
- );
-
-
-/**
- Performs an atomic decrement of an 32-bit unsigned integer.
-
- Performs an atomic decrement of the 32-bit unsigned integer specified by
- Value and returns the decremented value. The decrement operation must be
- performed using MP safe mechanisms. The state of the return value is not
- guaranteed to be MP safe.
-
- If Value is NULL, then ASSERT().
-
- @param Value A pointer to the 32-bit value to decrement.
-
- @return The decremented value.
-
-**/
-UINT32
-EFIAPI
-InterlockedDecrement (
- IN UINT32 *Value
- );
-
-
-/**
- Performs an atomic compare exchange operation on a 32-bit unsigned integer.
-
- Performs an atomic compare exchange operation on the 32-bit unsigned integer
- specified by Value. If Value is equal to CompareValue, then Value is set to
- ExchangeValue and CompareValue is returned. If Value is not equal to CompareValue,
- then Value is returned. The compare exchange operation must be performed using
- MP safe mechanisms.
-
- If Value is NULL, then ASSERT().
-
- @param Value A pointer to the 32-bit value for the compare exchange
- operation.
- @param CompareValue 32-bit value used in compare operation.
- @param ExchangeValue 32-bit value used in exchange operation.
-
- @return The original *Value before exchange.
-
-**/
-UINT32
-EFIAPI
-InterlockedCompareExchange32 (
- IN OUT UINT32 *Value,
- IN UINT32 CompareValue,
- IN UINT32 ExchangeValue
- );
-
-
-/**
- Performs an atomic compare exchange operation on a 64-bit unsigned integer.
-
- Performs an atomic compare exchange operation on the 64-bit unsigned integer specified
- by Value. If Value is equal to CompareValue, then Value is set to ExchangeValue and
- CompareValue is returned. If Value is not equal to CompareValue, then Value is returned.
- The compare exchange operation must be performed using MP safe mechanisms.
-
- If Value is NULL, then ASSERT().
-
- @param Value A pointer to the 64-bit value for the compare exchange
- operation.
- @param CompareValue 64-bit value used in compare operation.
- @param ExchangeValue 64-bit value used in exchange operation.
-
- @return The original *Value before exchange.
-
-**/
-UINT64
-EFIAPI
-InterlockedCompareExchange64 (
- IN OUT UINT64 *Value,
- IN UINT64 CompareValue,
- IN UINT64 ExchangeValue
- );
-
-
-/**
- Performs an atomic compare exchange operation on a pointer value.
-
- Performs an atomic compare exchange operation on the pointer value specified
- by Value. If Value is equal to CompareValue, then Value is set to
- ExchangeValue and CompareValue is returned. If Value is not equal to
- CompareValue, then Value is returned. The compare exchange operation must be
- performed using MP safe mechanisms.
-
- If Value is NULL, then ASSERT().
-
- @param Value A pointer to the pointer value for the compare exchange
- operation.
- @param CompareValue Pointer value used in compare operation.
- @param ExchangeValue Pointer value used in exchange operation.
-
- @return The original *Value before exchange.
-**/
-VOID *
-EFIAPI
-InterlockedCompareExchangePointer (
- IN OUT VOID **Value,
- IN VOID *CompareValue,
- IN VOID *ExchangeValue
- );
-
-
//
// Base Library Checksum Functions
//
@@ -3155,7 +4625,7 @@ InterlockedCompareExchangePointer (
If Buffer is NULL, then ASSERT().
If Length is greater than (MAX_ADDRESS - Buffer + 1), then ASSERT().
- @param Buffer Pointer to the buffer to carry out the sum operation.
+ @param Buffer The pointer to the buffer to carry out the sum operation.
@param Length The size, in bytes, of Buffer.
@return Sum The sum of Buffer with carry bits dropped during additions.
@@ -3181,10 +4651,10 @@ CalculateSum8 (
If Buffer is NULL, then ASSERT().
If Length is greater than (MAX_ADDRESS - Buffer + 1), then ASSERT().
- @param Buffer Pointer to the buffer to carry out the checksum operation.
+ @param Buffer The pointer to the buffer to carry out the checksum operation.
@param Length The size, in bytes, of Buffer.
- @return Checksum The 2's complement checksum of Buffer.
+ @return Checksum The two's complement checksum of Buffer.
**/
UINT8
@@ -3208,7 +4678,7 @@ CalculateCheckSum8 (
If Length is not aligned on a 16-bit boundary, then ASSERT().
If Length is greater than (MAX_ADDRESS - Buffer + 1), then ASSERT().
- @param Buffer Pointer to the buffer to carry out the sum operation.
+ @param Buffer The pointer to the buffer to carry out the sum operation.
@param Length The size, in bytes, of Buffer.
@return Sum The sum of Buffer with carry bits dropped during additions.
@@ -3236,10 +4706,10 @@ CalculateSum16 (
If Length is not aligned on a 16-bit boundary, then ASSERT().
If Length is greater than (MAX_ADDRESS - Buffer + 1), then ASSERT().
- @param Buffer Pointer to the buffer to carry out the checksum operation.
+ @param Buffer The pointer to the buffer to carry out the checksum operation.
@param Length The size, in bytes, of Buffer.
- @return Checksum The 2's complement checksum of Buffer.
+ @return Checksum The two's complement checksum of Buffer.
**/
UINT16
@@ -3263,7 +4733,7 @@ CalculateCheckSum16 (
If Length is not aligned on a 32-bit boundary, then ASSERT().
If Length is greater than (MAX_ADDRESS - Buffer + 1), then ASSERT().
- @param Buffer Pointer to the buffer to carry out the sum operation.
+ @param Buffer The pointer to the buffer to carry out the sum operation.
@param Length The size, in bytes, of Buffer.
@return Sum The sum of Buffer with carry bits dropped during additions.
@@ -3291,10 +4761,10 @@ CalculateSum32 (
If Length is not aligned on a 32-bit boundary, then ASSERT().
If Length is greater than (MAX_ADDRESS - Buffer + 1), then ASSERT().
- @param Buffer Pointer to the buffer to carry out the checksum operation.
+ @param Buffer The pointer to the buffer to carry out the checksum operation.
@param Length The size, in bytes, of Buffer.
- @return Checksum The 2's complement checksum of Buffer.
+ @return Checksum The two's complement checksum of Buffer.
**/
UINT32
@@ -3318,7 +4788,7 @@ CalculateCheckSum32 (
If Length is not aligned on a 64-bit boundary, then ASSERT().
If Length is greater than (MAX_ADDRESS - Buffer + 1), then ASSERT().
- @param Buffer Pointer to the buffer to carry out the sum operation.
+ @param Buffer The pointer to the buffer to carry out the sum operation.
@param Length The size, in bytes, of Buffer.
@return Sum The sum of Buffer with carry bits dropped during additions.
@@ -3346,10 +4816,10 @@ CalculateSum64 (
If Length is not aligned on a 64-bit boundary, then ASSERT().
If Length is greater than (MAX_ADDRESS - Buffer + 1), then ASSERT().
- @param Buffer Pointer to the buffer to carry out the checksum operation.
+ @param Buffer The pointer to the buffer to carry out the checksum operation.
@param Length The size, in bytes, of Buffer.
- @return Checksum The 2's complement checksum of Buffer.
+ @return Checksum The two's complement checksum of Buffer.
**/
UINT64
@@ -3359,6 +4829,25 @@ CalculateCheckSum64 (
IN UINTN Length
);
+/**
+ Computes and returns a 32-bit CRC for a data buffer.
+ CRC32 value bases on ITU-T V.42.
+
+ If Buffer is NULL, then ASSERT().
+ If Length is greater than (MAX_ADDRESS - Buffer + 1), then ASSERT().
+
+ @param[in] Buffer A pointer to the buffer on which the 32-bit CRC is to be computed.
+ @param[in] Length The number of bytes in the buffer Data.
+
+ @retval Crc32 The 32-bit CRC was computed for the data buffer.
+
+**/
+UINT32
+EFIAPI
+CalculateCrc32(
+ IN VOID *Buffer,
+ IN UINTN Length
+ );
//
// Base Library CPU Functions
@@ -3402,7 +4891,7 @@ MemoryFence (
calls to LongJump() cause a non-zero value to be returned by SetJump().
If JumpBuffer is NULL, then ASSERT().
- For IPF CPUs, if JumpBuffer is not aligned on a 16-byte boundary, then ASSERT().
+ For Itanium processors, if JumpBuffer is not aligned on a 16-byte boundary, then ASSERT().
NOTE: The structure BASE_LIBRARY_JUMP_BUFFER is CPU architecture specific.
The same structure must never be used for more than one CPU architecture context.
@@ -3414,6 +4903,7 @@ MemoryFence (
@retval 0 Indicates a return from SetJump().
**/
+RETURNS_TWICE
UINTN
EFIAPI
SetJump (
@@ -3429,7 +4919,7 @@ SetJump (
the state of JumpBuffer.
If JumpBuffer is NULL, then ASSERT().
- For IPF CPUs, if JumpBuffer is not aligned on a 16-byte boundary, then ASSERT().
+ For Itanium processors, if JumpBuffer is not aligned on a 16-byte boundary, then ASSERT().
If Value is 0, then ASSERT().
@param JumpBuffer A pointer to CPU context buffer.
@@ -3497,7 +4987,7 @@ EnableDisableInterrupts (
/**
Retrieves the current CPU interrupt state.
- Returns TRUE is interrupts are currently enabled. Otherwise
+ Returns TRUE if interrupts are currently enabled. Otherwise
returns FALSE.
@retval TRUE CPU interrupts are enabled.
@@ -3554,8 +5044,8 @@ CpuPause (
by Context1 and Context2. Context1 and Context2 are optional and may
be NULL. The function EntryPoint must never return. This function
supports a variable number of arguments following the NewStack parameter.
- These additional arguments are ignored on IA-32, x64, and EBC.
- IPF CPUs expect one additional parameter of type VOID * that specifies
+ These additional arguments are ignored on IA-32, x64, and EBC architectures.
+ Itanium processors expect one additional parameter of type VOID * that specifies
the new backing store pointer.
If EntryPoint is NULL, then ASSERT().
@@ -3568,10 +5058,10 @@ CpuPause (
function.
@param NewStack A pointer to the new stack to use for the EntryPoint
function.
- @param ... This variable argument list is ignored for IA32, x64, and EBC.
- For IPF, this variable argument list is expected to contain
- a single parameter of type VOID * that specifies the new backing
- store pointer.
+ @param ... This variable argument list is ignored for IA-32, x64, and
+ EBC architectures. For Itanium processors, this variable
+ argument list is expected to contain a single parameter of
+ type VOID * that specifies the new backing store pointer.
**/
@@ -3627,7 +5117,7 @@ CpuDeadLoop (
line containing Address + Length - 1 is flushed. This function may choose to flush
the entire cache if that is more efficient than flushing the specified range. If
Length is 0, the no cache lines are flushed. Address is returned.
- This function is only available on IPF.
+ This function is only available on Itanium processors.
If Length is greater than (MAX_ADDRESS - Address + 1), then ASSERT().
@@ -3650,10 +5140,10 @@ AsmFlushCacheRange (
/**
- Executes a FC instruction
- Executes a FC instruction on the cache line specified by Address.
+ Executes an FC instruction.
+ Executes an FC instruction on the cache line specified by Address.
The cache line size affected is at least 32-bytes (aligned on a 32-byte boundary).
- An implementation may flush a larger region. This function is only available on IPF.
+ An implementation may flush a larger region. This function is only available on Itanium processors.
@param Address The Address of cache line to be flushed.
@@ -3668,14 +5158,14 @@ AsmFc (
/**
- Executes a FC.I instruction.
- Executes a FC.I instruction on the cache line specified by Address.
+ Executes an FC.I instruction.
+ Executes an FC.I instruction on the cache line specified by Address.
The cache line size affected is at least 32-bytes (aligned on a 32-byte boundary).
- An implementation may flush a larger region. This function is only available on IPF.
+ An implementation may flush a larger region. This function is only available on Itanium processors.
@param Address The Address of cache line to be flushed.
- @return The address of FC.I instruction executed.
+ @return The address of the FC.I instruction executed.
**/
UINT64
@@ -3694,7 +5184,7 @@ AsmFci (
No parameter checking is performed on Index. If the Index value is beyond the
implemented CPUID register range, a Reserved Register/Field fault may occur. The caller
must either guarantee that Index is valid, or the caller must set up fault handlers to
- catch the faults. This function is only available on IPF.
+ catch the faults. This function is only available on Itanium processors.
@param Index The 8-bit Processor Identifier Register index to read.
@@ -3710,7 +5200,7 @@ AsmReadCpuid (
/**
Reads the current value of 64-bit Processor Status Register (PSR).
- This function is only available on IPF.
+ This function is only available on Itanium processors.
@return The current value of PSR.
@@ -3728,7 +5218,7 @@ AsmReadPsr (
No parameter checking is performed on Value. All bits of Value corresponding to
reserved fields of PSR must be 0 or a Reserved Register/Field fault may occur.
The caller must either guarantee that Value is valid, or the caller must set up
- fault handlers to catch the faults. This function is only available on IPF.
+ fault handlers to catch the faults. This function is only available on Itanium processors.
@param Value The 64-bit value to write to PSR.
@@ -3746,7 +5236,7 @@ AsmWritePsr (
Reads the current value of 64-bit Kernel Register #0 (KR0).
Reads and returns the current value of KR0.
- This function is only available on IPF.
+ This function is only available on Itanium processors.
@return The current value of KR0.
@@ -3762,7 +5252,7 @@ AsmReadKr0 (
Reads the current value of 64-bit Kernel Register #1 (KR1).
Reads and returns the current value of KR1.
- This function is only available on IPF.
+ This function is only available on Itanium processors.
@return The current value of KR1.
@@ -3778,7 +5268,7 @@ AsmReadKr1 (
Reads the current value of 64-bit Kernel Register #2 (KR2).
Reads and returns the current value of KR2.
- This function is only available on IPF.
+ This function is only available on Itanium processors.
@return The current value of KR2.
@@ -3794,7 +5284,7 @@ AsmReadKr2 (
Reads the current value of 64-bit Kernel Register #3 (KR3).
Reads and returns the current value of KR3.
- This function is only available on IPF.
+ This function is only available on Itanium processors.
@return The current value of KR3.
@@ -3810,7 +5300,7 @@ AsmReadKr3 (
Reads the current value of 64-bit Kernel Register #4 (KR4).
Reads and returns the current value of KR4.
- This function is only available on IPF.
+ This function is only available on Itanium processors.
@return The current value of KR4.
@@ -3826,7 +5316,7 @@ AsmReadKr4 (
Reads the current value of 64-bit Kernel Register #5 (KR5).
Reads and returns the current value of KR5.
- This function is only available on IPF.
+ This function is only available on Itanium processors.
@return The current value of KR5.
@@ -3842,7 +5332,7 @@ AsmReadKr5 (
Reads the current value of 64-bit Kernel Register #6 (KR6).
Reads and returns the current value of KR6.
- This function is only available on IPF.
+ This function is only available on Itanium processors.
@return The current value of KR6.
@@ -3858,7 +5348,7 @@ AsmReadKr6 (
Reads the current value of 64-bit Kernel Register #7 (KR7).
Reads and returns the current value of KR7.
- This function is only available on IPF.
+ This function is only available on Itanium processors.
@return The current value of KR7.
@@ -3874,7 +5364,7 @@ AsmReadKr7 (
Write the current value of 64-bit Kernel Register #0 (KR0).
Writes the current value of KR0. The 64-bit value written to
- the KR0 is returned. This function is only available on IPF.
+ the KR0 is returned. This function is only available on Itanium processors.
@param Value The 64-bit value to write to KR0.
@@ -3892,7 +5382,7 @@ AsmWriteKr0 (
Write the current value of 64-bit Kernel Register #1 (KR1).
Writes the current value of KR1. The 64-bit value written to
- the KR1 is returned. This function is only available on IPF.
+ the KR1 is returned. This function is only available on Itanium processors.
@param Value The 64-bit value to write to KR1.
@@ -3910,7 +5400,7 @@ AsmWriteKr1 (
Write the current value of 64-bit Kernel Register #2 (KR2).
Writes the current value of KR2. The 64-bit value written to
- the KR2 is returned. This function is only available on IPF.
+ the KR2 is returned. This function is only available on Itanium processors.
@param Value The 64-bit value to write to KR2.
@@ -3928,7 +5418,7 @@ AsmWriteKr2 (
Write the current value of 64-bit Kernel Register #3 (KR3).
Writes the current value of KR3. The 64-bit value written to
- the KR3 is returned. This function is only available on IPF.
+ the KR3 is returned. This function is only available on Itanium processors.
@param Value The 64-bit value to write to KR3.
@@ -3946,7 +5436,7 @@ AsmWriteKr3 (
Write the current value of 64-bit Kernel Register #4 (KR4).
Writes the current value of KR4. The 64-bit value written to
- the KR4 is returned. This function is only available on IPF.
+ the KR4 is returned. This function is only available on Itanium processors.
@param Value The 64-bit value to write to KR4.
@@ -3964,7 +5454,7 @@ AsmWriteKr4 (
Write the current value of 64-bit Kernel Register #5 (KR5).
Writes the current value of KR5. The 64-bit value written to
- the KR5 is returned. This function is only available on IPF.
+ the KR5 is returned. This function is only available on Itanium processors.
@param Value The 64-bit value to write to KR5.
@@ -3982,7 +5472,7 @@ AsmWriteKr5 (
Write the current value of 64-bit Kernel Register #6 (KR6).
Writes the current value of KR6. The 64-bit value written to
- the KR6 is returned. This function is only available on IPF.
+ the KR6 is returned. This function is only available on Itanium processors.
@param Value The 64-bit value to write to KR6.
@@ -4000,7 +5490,7 @@ AsmWriteKr6 (
Write the current value of 64-bit Kernel Register #7 (KR7).
Writes the current value of KR7. The 64-bit value written to
- the KR7 is returned. This function is only available on IPF.
+ the KR7 is returned. This function is only available on Itanium processors.
@param Value The 64-bit value to write to KR7.
@@ -4018,7 +5508,7 @@ AsmWriteKr7 (
Reads the current value of Interval Timer Counter Register (ITC).
Reads and returns the current value of ITC.
- This function is only available on IPF.
+ This function is only available on Itanium processors.
@return The current value of ITC.
@@ -4034,7 +5524,7 @@ AsmReadItc (
Reads the current value of Interval Timer Vector Register (ITV).
Reads and returns the current value of ITV.
- This function is only available on IPF.
+ This function is only available on Itanium processors.
@return The current value of ITV.
@@ -4050,7 +5540,7 @@ AsmReadItv (
Reads the current value of Interval Timer Match Register (ITM).
Reads and returns the current value of ITM.
- This function is only available on IPF.
+ This function is only available on Itanium processors.
@return The current value of ITM.
**/
@@ -4065,7 +5555,7 @@ AsmReadItm (
Writes the current value of 64-bit Interval Timer Counter Register (ITC).
Writes the current value of ITC. The 64-bit value written to the ITC is returned.
- This function is only available on IPF.
+ This function is only available on Itanium processors.
@param Value The 64-bit value to write to ITC.
@@ -4083,7 +5573,7 @@ AsmWriteItc (
Writes the current value of 64-bit Interval Timer Match Register (ITM).
Writes the current value of ITM. The 64-bit value written to the ITM is returned.
- This function is only available on IPF.
+ This function is only available on Itanium processors.
@param Value The 64-bit value to write to ITM.
@@ -4105,7 +5595,7 @@ AsmWriteItm (
reserved fields of ITV must be 0 or a Reserved Register/Field fault may occur.
The caller must either guarantee that Value is valid, or the caller must set up
fault handlers to catch the faults.
- This function is only available on IPF.
+ This function is only available on Itanium processors.
@param Value The 64-bit value to write to ITV.
@@ -4122,7 +5612,7 @@ AsmWriteItv (
/**
Reads the current value of Default Control Register (DCR).
- Reads and returns the current value of DCR. This function is only available on IPF.
+ Reads and returns the current value of DCR. This function is only available on Itanium processors.
@return The current value of DCR.
@@ -4137,7 +5627,7 @@ AsmReadDcr (
/**
Reads the current value of Interruption Vector Address Register (IVA).
- Reads and returns the current value of IVA. This function is only available on IPF.
+ Reads and returns the current value of IVA. This function is only available on Itanium processors.
@return The current value of IVA.
**/
@@ -4151,7 +5641,7 @@ AsmReadIva (
/**
Reads the current value of Page Table Address Register (PTA).
- Reads and returns the current value of PTA. This function is only available on IPF.
+ Reads and returns the current value of PTA. This function is only available on Itanium processors.
@return The current value of PTA.
@@ -4171,7 +5661,7 @@ AsmReadPta (
reserved fields of DCR must be 0 or a Reserved Register/Field fault may occur.
The caller must either guarantee that Value is valid, or the caller must set up
fault handlers to catch the faults.
- This function is only available on IPF.
+ This function is only available on Itanium processors.
@param Value The 64-bit value to write to DCR.
@@ -4191,7 +5681,7 @@ AsmWriteDcr (
Writes the current value of IVA. The 64-bit value written to the IVA is returned.
The size of vector table is 32 K bytes and is 32 K bytes aligned
the low 15 bits of Value is ignored when written.
- This function is only available on IPF.
+ This function is only available on Itanium processors.
@param Value The 64-bit value to write to IVA.
@@ -4213,7 +5703,7 @@ AsmWriteIva (
reserved fields of DCR must be 0 or a Reserved Register/Field fault may occur.
The caller must either guarantee that Value is valid, or the caller must set up
fault handlers to catch the faults.
- This function is only available on IPF.
+ This function is only available on Itanium processors.
@param Value The 64-bit value to write to PTA.
@@ -4229,7 +5719,7 @@ AsmWritePta (
/**
Reads the current value of Local Interrupt ID Register (LID).
- Reads and returns the current value of LID. This function is only available on IPF.
+ Reads and returns the current value of LID. This function is only available on Itanium processors.
@return The current value of LID.
@@ -4244,7 +5734,7 @@ AsmReadLid (
/**
Reads the current value of External Interrupt Vector Register (IVR).
- Reads and returns the current value of IVR. This function is only available on IPF.
+ Reads and returns the current value of IVR. This function is only available on Itanium processors.
@return The current value of IVR.
@@ -4259,7 +5749,7 @@ AsmReadIvr (
/**
Reads the current value of Task Priority Register (TPR).
- Reads and returns the current value of TPR. This function is only available on IPF.
+ Reads and returns the current value of TPR. This function is only available on Itanium processors.
@return The current value of TPR.
@@ -4274,7 +5764,7 @@ AsmReadTpr (
/**
Reads the current value of External Interrupt Request Register #0 (IRR0).
- Reads and returns the current value of IRR0. This function is only available on IPF.
+ Reads and returns the current value of IRR0. This function is only available on Itanium processors.
@return The current value of IRR0.
@@ -4289,7 +5779,7 @@ AsmReadIrr0 (
/**
Reads the current value of External Interrupt Request Register #1 (IRR1).
- Reads and returns the current value of IRR1. This function is only available on IPF.
+ Reads and returns the current value of IRR1. This function is only available on Itanium processors.
@return The current value of IRR1.
@@ -4304,7 +5794,7 @@ AsmReadIrr1 (
/**
Reads the current value of External Interrupt Request Register #2 (IRR2).
- Reads and returns the current value of IRR2. This function is only available on IPF.
+ Reads and returns the current value of IRR2. This function is only available on Itanium processors.
@return The current value of IRR2.
@@ -4319,7 +5809,7 @@ AsmReadIrr2 (
/**
Reads the current value of External Interrupt Request Register #3 (IRR3).
- Reads and returns the current value of IRR3. This function is only available on IPF.
+ Reads and returns the current value of IRR3. This function is only available on Itanium processors.
@return The current value of IRR3.
@@ -4334,7 +5824,7 @@ AsmReadIrr3 (
/**
Reads the current value of Performance Monitor Vector Register (PMV).
- Reads and returns the current value of PMV. This function is only available on IPF.
+ Reads and returns the current value of PMV. This function is only available on Itanium processors.
@return The current value of PMV.
@@ -4349,7 +5839,7 @@ AsmReadPmv (
/**
Reads the current value of Corrected Machine Check Vector Register (CMCV).
- Reads and returns the current value of CMCV. This function is only available on IPF.
+ Reads and returns the current value of CMCV. This function is only available on Itanium processors.
@return The current value of CMCV.
@@ -4364,7 +5854,7 @@ AsmReadCmcv (
/**
Reads the current value of Local Redirection Register #0 (LRR0).
- Reads and returns the current value of LRR0. This function is only available on IPF.
+ Reads and returns the current value of LRR0. This function is only available on Itanium processors.
@return The current value of LRR0.
@@ -4379,7 +5869,7 @@ AsmReadLrr0 (
/**
Reads the current value of Local Redirection Register #1 (LRR1).
- Reads and returns the current value of LRR1. This function is only available on IPF.
+ Reads and returns the current value of LRR1. This function is only available on Itanium processors.
@return The current value of LRR1.
@@ -4399,7 +5889,7 @@ AsmReadLrr1 (
reserved fields of LID must be 0 or a Reserved Register/Field fault may occur.
The caller must either guarantee that Value is valid, or the caller must set up
fault handlers to catch the faults.
- This function is only available on IPF.
+ This function is only available on Itanium processors.
@param Value The 64-bit value to write to LID.
@@ -4421,7 +5911,7 @@ AsmWriteLid (
reserved fields of TPR must be 0 or a Reserved Register/Field fault may occur.
The caller must either guarantee that Value is valid, or the caller must set up
fault handlers to catch the faults.
- This function is only available on IPF.
+ This function is only available on Itanium processors.
@param Value The 64-bit value to write to TPR.
@@ -4438,7 +5928,7 @@ AsmWriteTpr (
/**
Performs a write operation on End OF External Interrupt Register (EOI).
- Writes a value of 0 to the EOI Register. This function is only available on IPF.
+ Writes a value of 0 to the EOI Register. This function is only available on Itanium processors.
**/
VOID
@@ -4456,7 +5946,7 @@ AsmWriteEoi (
to reserved fields of PMV must be 0 or a Reserved Register/Field fault may occur.
The caller must either guarantee that Value is valid, or the caller must set up
fault handlers to catch the faults.
- This function is only available on IPF.
+ This function is only available on Itanium processors.
@param Value The 64-bit value to write to PMV.
@@ -4478,7 +5968,7 @@ AsmWritePmv (
to reserved fields of CMCV must be 0 or a Reserved Register/Field fault may occur.
The caller must either guarantee that Value is valid, or the caller must set up
fault handlers to catch the faults.
- This function is only available on IPF.
+ This function is only available on Itanium processors.
@param Value The 64-bit value to write to CMCV.
@@ -4500,7 +5990,7 @@ AsmWriteCmcv (
to reserved fields of LRR0 must be 0 or a Reserved Register/Field fault may occur.
The caller must either guarantee that Value is valid, or the caller must set up
fault handlers to catch the faults.
- This function is only available on IPF.
+ This function is only available on Itanium processors.
@param Value The 64-bit value to write to LRR0.
@@ -4522,7 +6012,7 @@ AsmWriteLrr0 (
to reserved fields of LRR1 must be 0 or a Reserved Register/Field fault may occur.
The caller must either guarantee that Value is valid, or the caller must
set up fault handlers to catch the faults.
- This function is only available on IPF.
+ This function is only available on Itanium processors.
@param Value The 64-bit value to write to LRR1.
@@ -4541,13 +6031,13 @@ AsmWriteLrr1 (
The Instruction Breakpoint Registers are used in pairs. The even numbered
registers contain breakpoint addresses, and the odd numbered registers contain
- breakpoint mask conditions. At least 4 instruction registers pairs are implemented
+ breakpoint mask conditions. At least four instruction registers pairs are implemented
on all processor models. Implemented registers are contiguous starting with
register 0. No parameter checking is performed on Index, and if the Index value
is beyond the implemented IBR register range, a Reserved Register/Field fault may
occur. The caller must either guarantee that Index is valid, or the caller must
set up fault handlers to catch the faults.
- This function is only available on IPF.
+ This function is only available on Itanium processors.
@param Index The 8-bit Instruction Breakpoint Register index to read.
@@ -4566,13 +6056,13 @@ AsmReadIbr (
The Data Breakpoint Registers are used in pairs. The even numbered registers
contain breakpoint addresses, and odd numbered registers contain breakpoint
- mask conditions. At least 4 data registers pairs are implemented on all processor
+ mask conditions. At least four data registers pairs are implemented on all processor
models. Implemented registers are contiguous starting with register 0.
No parameter checking is performed on Index. If the Index value is beyond
the implemented DBR register range, a Reserved Register/Field fault may occur.
The caller must either guarantee that Index is valid, or the caller must set up
fault handlers to catch the faults.
- This function is only available on IPF.
+ This function is only available on Itanium processors.
@param Index The 8-bit Data Breakpoint Register index to read.
@@ -4589,15 +6079,15 @@ AsmReadDbr (
/**
Reads the current value of Performance Monitor Configuration Register (PMC).
- All processor implementations provide at least 4 performance counters
- (PMC/PMD [4]...PMC/PMD [7] pairs), and 4 performance monitor counter overflow
+ All processor implementations provide at least four performance counters
+ (PMC/PMD [4]...PMC/PMD [7] pairs), and four performance monitor counter overflow
status registers (PMC [0]... PMC [3]). Processor implementations may provide
additional implementation-dependent PMC and PMD to increase the number of
'generic' performance counters (PMC/PMD pairs). The remainder of PMC and PMD
register set is implementation dependent. No parameter checking is performed
on Index. If the Index value is beyond the implemented PMC register range,
zero value will be returned.
- This function is only available on IPF.
+ This function is only available on Itanium processors.
@param Index The 8-bit Performance Monitor Configuration Register index to read.
@@ -4623,7 +6113,7 @@ AsmReadPmc (
register set is implementation dependent. No parameter checking is performed
on Index. If the Index value is beyond the implemented PMD register range,
zero value will be returned.
- This function is only available on IPF.
+ This function is only available on Itanium processors.
@param Index The 8-bit Performance Monitor Data Register index to read.
@@ -4643,13 +6133,13 @@ AsmReadPmd (
Writes current value of Instruction Breakpoint Register specified by Index.
The Instruction Breakpoint Registers are used in pairs. The even numbered
registers contain breakpoint addresses, and odd numbered registers contain
- breakpoint mask conditions. At least 4 instruction registers pairs are implemented
+ breakpoint mask conditions. At least four instruction registers pairs are implemented
on all processor models. Implemented registers are contiguous starting with
register 0. No parameter checking is performed on Index. If the Index value
is beyond the implemented IBR register range, a Reserved Register/Field fault may
occur. The caller must either guarantee that Index is valid, or the caller must
set up fault handlers to catch the faults.
- This function is only available on IPF.
+ This function is only available on Itanium processors.
@param Index The 8-bit Instruction Breakpoint Register index to write.
@param Value The 64-bit value to write to IBR.
@@ -4671,13 +6161,13 @@ AsmWriteIbr (
Writes current value of Data Breakpoint Register specified by Index.
The Data Breakpoint Registers are used in pairs. The even numbered registers
contain breakpoint addresses, and odd numbered registers contain breakpoint
- mask conditions. At least 4 data registers pairs are implemented on all processor
+ mask conditions. At least four data registers pairs are implemented on all processor
models. Implemented registers are contiguous starting with register 0. No parameter
checking is performed on Index. If the Index value is beyond the implemented
DBR register range, a Reserved Register/Field fault may occur. The caller must
either guarantee that Index is valid, or the caller must set up fault handlers to
catch the faults.
- This function is only available on IPF.
+ This function is only available on Itanium processors.
@param Index The 8-bit Data Breakpoint Register index to write.
@param Value The 64-bit value to write to DBR.
@@ -4697,14 +6187,14 @@ AsmWriteDbr (
Writes the current value of 64-bit Performance Monitor Configuration Register (PMC).
Writes current value of Performance Monitor Configuration Register specified by Index.
- All processor implementations provide at least 4 performance counters
- (PMC/PMD [4]...PMC/PMD [7] pairs), and 4 performance monitor counter overflow status
+ All processor implementations provide at least four performance counters
+ (PMC/PMD [4]...PMC/PMD [7] pairs), and four performance monitor counter overflow status
registers (PMC [0]... PMC [3]). Processor implementations may provide additional
implementation-dependent PMC and PMD to increase the number of 'generic' performance
counters (PMC/PMD pairs). The remainder of PMC and PMD register set is implementation
dependent. No parameter checking is performed on Index. If the Index value is
beyond the implemented PMC register range, the write is ignored.
- This function is only available on IPF.
+ This function is only available on Itanium processors.
@param Index The 8-bit Performance Monitor Configuration Register index to write.
@param Value The 64-bit value to write to PMC.
@@ -4724,14 +6214,14 @@ AsmWritePmc (
Writes the current value of 64-bit Performance Monitor Data Register (PMD).
Writes current value of Performance Monitor Data Register specified by Index.
- All processor implementations provide at least 4 performance counters
- (PMC/PMD [4]...PMC/PMD [7] pairs), and 4 performance monitor counter overflow
+ All processor implementations provide at least four performance counters
+ (PMC/PMD [4]...PMC/PMD [7] pairs), and four performance monitor counter overflow
status registers (PMC [0]... PMC [3]). Processor implementations may provide
additional implementation-dependent PMC and PMD to increase the number of 'generic'
performance counters (PMC/PMD pairs). The remainder of PMC and PMD register set
is implementation dependent. No parameter checking is performed on Index. If the
Index value is beyond the implemented PMD register range, the write is ignored.
- This function is only available on IPF.
+ This function is only available on Itanium processors.
@param Index The 8-bit Performance Monitor Data Register index to write.
@param Value The 64-bit value to write to PMD.
@@ -4751,7 +6241,7 @@ AsmWritePmd (
Reads the current value of 64-bit Global Pointer (GP).
Reads and returns the current value of GP.
- This function is only available on IPF.
+ This function is only available on Itanium processors.
@return The current value of GP.
@@ -4768,7 +6258,7 @@ AsmReadGp (
Writes the current value of GP. The 64-bit value written to the GP is returned.
No parameter checking is performed on Value.
- This function is only available on IPF.
+ This function is only available on Itanium processors.
@param Value The 64-bit value to write to GP.
@@ -4786,7 +6276,7 @@ AsmWriteGp (
Reads the current value of 64-bit Stack Pointer (SP).
Reads and returns the current value of SP.
- This function is only available on IPF.
+ This function is only available on Itanium processors.
@return The current value of SP.
@@ -4799,7 +6289,7 @@ AsmReadSp (
///
-/// Valid Index value for AsmReadControlRegister()
+/// Valid Index value for AsmReadControlRegister().
///
#define IPF_CONTROL_REGISTER_DCR 0
#define IPF_CONTROL_REGISTER_ITM 1
@@ -4831,9 +6321,10 @@ AsmReadSp (
/**
Reads a 64-bit control register.
- Reads and returns the control register specified by Index. The valid Index valued are defined
- above in "Related Definitions".
- If Index is invalid then 0xFFFFFFFFFFFFFFFF is returned. This function is only available on IPF.
+ Reads and returns the control register specified by Index. The valid Index valued
+ are defined above in "Related Definitions".
+ If Index is invalid then 0xFFFFFFFFFFFFFFFF is returned. This function is only
+ available on Itanium processors.
@param Index The index of the control register to read.
@@ -4848,7 +6339,7 @@ AsmReadControlRegister (
///
-/// Valid Index value for AsmReadApplicationRegister()
+/// Valid Index value for AsmReadApplicationRegister().
///
#define IPF_APPLICATION_REGISTER_K0 0
#define IPF_APPLICATION_REGISTER_K1 1
@@ -4881,9 +6372,10 @@ AsmReadControlRegister (
/**
Reads a 64-bit application register.
- Reads and returns the application register specified by Index. The valid Index valued are defined
- above in "Related Definitions".
- If Index is invalid then 0xFFFFFFFFFFFFFFFF is returned. This function is only available on IPF.
+ Reads and returns the application register specified by Index. The valid Index
+ valued are defined above in "Related Definitions".
+ If Index is invalid then 0xFFFFFFFFFFFFFFFF is returned. This function is only
+ available on Itanium processors.
@param Index The index of the application register to read.
@@ -4897,6 +6389,50 @@ AsmReadApplicationRegister (
);
+/**
+ Reads the current value of a Machine Specific Register (MSR).
+
+ Reads and returns the current value of the Machine Specific Register specified by Index. No
+ parameter checking is performed on Index, and if the Index value is beyond the implemented MSR
+ register range, a Reserved Register/Field fault may occur. The caller must either guarantee that
+ Index is valid, or the caller must set up fault handlers to catch the faults. This function is
+ only available on Itanium processors.
+
+ @param Index The 8-bit Machine Specific Register index to read.
+
+ @return The current value of the Machine Specific Register specified by Index.
+
+**/
+UINT64
+EFIAPI
+AsmReadMsr (
+ IN UINT8 Index
+ );
+
+
+/**
+ Writes the current value of a Machine Specific Register (MSR).
+
+ Writes Value to the Machine Specific Register specified by Index. Value is returned. No
+ parameter checking is performed on Index, and if the Index value is beyond the implemented MSR
+ register range, a Reserved Register/Field fault may occur. The caller must either guarantee that
+ Index is valid, or the caller must set up fault handlers to catch the faults. This function is
+ only available on Itanium processors.
+
+ @param Index The 8-bit Machine Specific Register index to write.
+ @param Value The 64-bit value to write to the Machine Specific Register.
+
+ @return The 64-bit value to write to the Machine Specific Register.
+
+**/
+UINT64
+EFIAPI
+AsmWriteMsr (
+ IN UINT8 Index,
+ IN UINT64 Value
+ );
+
+
/**
Determines if the CPU is currently executing in virtual, physical, or mixed mode.
@@ -4905,7 +6441,7 @@ AsmReadApplicationRegister (
If the CPU is in physical mode(PSR.RT=0, PSR.DT=0, PSR.IT=0), then 0 is returned.
If the CPU is not in physical mode or virtual mode, then it is in mixed mode,
and -1 is returned.
- This function is only available on IPF.
+ This function is only available on Itanium processors.
@retval 1 The CPU is in virtual mode.
@retval 0 The CPU is in physical mode.
@@ -4939,7 +6475,7 @@ AsmCpuVirtual (
argument return value may be returned or undefined result may occur during the
execution of the procedure. If the PalEntryPoint does not point to a valid
PAL entry point then the system behavior is undefined. This function is only
- available on IPF.
+ available on Itanium processors.
@param PalEntryPoint The PAL procedure calls entry point.
@param Index The PAL procedure Index number.
@@ -4959,123 +6495,145 @@ AsmPalCall (
IN UINT64 Arg3,
IN UINT64 Arg4
);
-#endif
+#endif // defined (MDE_CPU_IPF)
#if defined (MDE_CPU_IA32) || defined (MDE_CPU_X64)
///
-/// IA32 and x64 Specific Functions
-/// Byte packed structure for 16-bit Real Mode EFLAGS
+/// IA32 and x64 Specific Functions.
+/// Byte packed structure for 16-bit Real Mode EFLAGS.
///
typedef union {
struct {
- UINT32 CF:1; ///< Carry Flag
- UINT32 Reserved_0:1; ///< Reserved
- UINT32 PF:1; ///< Parity Flag
- UINT32 Reserved_1:1; ///< Reserved
- UINT32 AF:1; ///< Auxiliary Carry Flag
- UINT32 Reserved_2:1; ///< Reserved
- UINT32 ZF:1; ///< Zero Flag
- UINT32 SF:1; ///< Sign Flag
- UINT32 TF:1; ///< Trap Flag
- UINT32 IF:1; ///< Interrupt Enable Flag
- UINT32 DF:1; ///< Direction Flag
- UINT32 OF:1; ///< Overflow Flag
- UINT32 IOPL:2; ///< I/O Privilege Level
- UINT32 NT:1; ///< Nested Task
- UINT32 Reserved_3:1; ///< Reserved
+ UINT32 CF:1; ///< Carry Flag.
+ UINT32 Reserved_0:1; ///< Reserved.
+ UINT32 PF:1; ///< Parity Flag.
+ UINT32 Reserved_1:1; ///< Reserved.
+ UINT32 AF:1; ///< Auxiliary Carry Flag.
+ UINT32 Reserved_2:1; ///< Reserved.
+ UINT32 ZF:1; ///< Zero Flag.
+ UINT32 SF:1; ///< Sign Flag.
+ UINT32 TF:1; ///< Trap Flag.
+ UINT32 IF:1; ///< Interrupt Enable Flag.
+ UINT32 DF:1; ///< Direction Flag.
+ UINT32 OF:1; ///< Overflow Flag.
+ UINT32 IOPL:2; ///< I/O Privilege Level.
+ UINT32 NT:1; ///< Nested Task.
+ UINT32 Reserved_3:1; ///< Reserved.
} Bits;
UINT16 Uint16;
} IA32_FLAGS16;
///
-/// Byte packed structure for EFLAGS/RFLAGS
-/// 32-bits on IA-32
-/// 64-bits on x64. The upper 32-bits on x64 are reserved
+/// Byte packed structure for EFLAGS/RFLAGS.
+/// 32-bits on IA-32.
+/// 64-bits on x64. The upper 32-bits on x64 are reserved.
///
typedef union {
struct {
- UINT32 CF:1; ///< Carry Flag
- UINT32 Reserved_0:1; ///< Reserved
- UINT32 PF:1; ///< Parity Flag
- UINT32 Reserved_1:1; ///< Reserved
- UINT32 AF:1; ///< Auxiliary Carry Flag
- UINT32 Reserved_2:1; ///< Reserved
- UINT32 ZF:1; ///< Zero Flag
- UINT32 SF:1; ///< Sign Flag
- UINT32 TF:1; ///< Trap Flag
- UINT32 IF:1; ///< Interrupt Enable Flag
- UINT32 DF:1; ///< Direction Flag
- UINT32 OF:1; ///< Overflow Flag
- UINT32 IOPL:2; ///< I/O Privilege Level
- UINT32 NT:1; ///< Nested Task
- UINT32 Reserved_3:1; ///< Reserved
- UINT32 RF:1; ///< Resume Flag
- UINT32 VM:1; ///< Virtual 8086 Mode
- UINT32 AC:1; ///< Alignment Check
- UINT32 VIF:1; ///< Virtual Interrupt Flag
- UINT32 VIP:1; ///< Virtual Interrupt Pending
- UINT32 ID:1; ///< ID Flag
- UINT32 Reserved_4:10; ///< Reserved
+ UINT32 CF:1; ///< Carry Flag.
+ UINT32 Reserved_0:1; ///< Reserved.
+ UINT32 PF:1; ///< Parity Flag.
+ UINT32 Reserved_1:1; ///< Reserved.
+ UINT32 AF:1; ///< Auxiliary Carry Flag.
+ UINT32 Reserved_2:1; ///< Reserved.
+ UINT32 ZF:1; ///< Zero Flag.
+ UINT32 SF:1; ///< Sign Flag.
+ UINT32 TF:1; ///< Trap Flag.
+ UINT32 IF:1; ///< Interrupt Enable Flag.
+ UINT32 DF:1; ///< Direction Flag.
+ UINT32 OF:1; ///< Overflow Flag.
+ UINT32 IOPL:2; ///< I/O Privilege Level.
+ UINT32 NT:1; ///< Nested Task.
+ UINT32 Reserved_3:1; ///< Reserved.
+ UINT32 RF:1; ///< Resume Flag.
+ UINT32 VM:1; ///< Virtual 8086 Mode.
+ UINT32 AC:1; ///< Alignment Check.
+ UINT32 VIF:1; ///< Virtual Interrupt Flag.
+ UINT32 VIP:1; ///< Virtual Interrupt Pending.
+ UINT32 ID:1; ///< ID Flag.
+ UINT32 Reserved_4:10; ///< Reserved.
} Bits;
UINTN UintN;
} IA32_EFLAGS32;
///
-/// Byte packed structure for Control Register 0 (CR0)
-/// 32-bits on IA-32
-/// 64-bits on x64. The upper 32-bits on x64 are reserved
+/// Byte packed structure for Control Register 0 (CR0).
+/// 32-bits on IA-32.
+/// 64-bits on x64. The upper 32-bits on x64 are reserved.
///
typedef union {
struct {
- UINT32 PE:1; ///< Protection Enable
- UINT32 MP:1; ///< Monitor Coprocessor
- UINT32 EM:1; ///< Emulation
- UINT32 TS:1; ///< Task Switched
- UINT32 ET:1; ///< Extension Type
- UINT32 NE:1; ///< Numeric Error
- UINT32 Reserved_0:10; ///< Reserved
- UINT32 WP:1; ///< Write Protect
- UINT32 Reserved_1:1; ///< Reserved
- UINT32 AM:1; ///< Alignment Mask
- UINT32 Reserved_2:10; ///< Reserved
- UINT32 NW:1; ///< Mot Write-through
- UINT32 CD:1; ///< Cache Disable
- UINT32 PG:1; ///< Paging
+ UINT32 PE:1; ///< Protection Enable.
+ UINT32 MP:1; ///< Monitor Coprocessor.
+ UINT32 EM:1; ///< Emulation.
+ UINT32 TS:1; ///< Task Switched.
+ UINT32 ET:1; ///< Extension Type.
+ UINT32 NE:1; ///< Numeric Error.
+ UINT32 Reserved_0:10; ///< Reserved.
+ UINT32 WP:1; ///< Write Protect.
+ UINT32 Reserved_1:1; ///< Reserved.
+ UINT32 AM:1; ///< Alignment Mask.
+ UINT32 Reserved_2:10; ///< Reserved.
+ UINT32 NW:1; ///< Mot Write-through.
+ UINT32 CD:1; ///< Cache Disable.
+ UINT32 PG:1; ///< Paging.
} Bits;
UINTN UintN;
} IA32_CR0;
///
-/// Byte packed structure for Control Register 4 (CR4)
-/// 32-bits on IA-32
-/// 64-bits on x64. The upper 32-bits on x64 are reserved
+/// Byte packed structure for Control Register 4 (CR4).
+/// 32-bits on IA-32.
+/// 64-bits on x64. The upper 32-bits on x64 are reserved.
///
typedef union {
struct {
- UINT32 VME:1; ///< Virtual-8086 Mode Extensions
- UINT32 PVI:1; ///< Protected-Mode Virtual Interrupts
- UINT32 TSD:1; ///< Time Stamp Disable
- UINT32 DE:1; ///< Debugging Extensions
- UINT32 PSE:1; ///< Page Size Extensions
- UINT32 PAE:1; ///< Physical Address Extension
- UINT32 MCE:1; ///< Machine Check Enable
- UINT32 PGE:1; ///< Page Global Enable
+ UINT32 VME:1; ///< Virtual-8086 Mode Extensions.
+ UINT32 PVI:1; ///< Protected-Mode Virtual Interrupts.
+ UINT32 TSD:1; ///< Time Stamp Disable.
+ UINT32 DE:1; ///< Debugging Extensions.
+ UINT32 PSE:1; ///< Page Size Extensions.
+ UINT32 PAE:1; ///< Physical Address Extension.
+ UINT32 MCE:1; ///< Machine Check Enable.
+ UINT32 PGE:1; ///< Page Global Enable.
UINT32 PCE:1; ///< Performance Monitoring Counter
- ///< Enable
+ ///< Enable.
UINT32 OSFXSR:1; ///< Operating System Support for
///< FXSAVE and FXRSTOR instructions
UINT32 OSXMMEXCPT:1; ///< Operating System Support for
///< Unmasked SIMD Floating Point
- ///< Exceptions
- UINT32 Reserved_0:2; ///< Reserved
+ ///< Exceptions.
+ UINT32 Reserved_0:2; ///< Reserved.
UINT32 VMXE:1; ///< VMX Enable
- UINT32 Reserved_1:18; ///< Reserved
+ UINT32 Reserved_1:18; ///< Reserved.
} Bits;
UINTN UintN;
} IA32_CR4;
///
-/// Byte packed structure for an IDTR, GDTR, LDTR descriptor
+/// Byte packed structure for a segment descriptor in a GDT/LDT.
+///
+typedef union {
+ struct {
+ UINT32 LimitLow:16;
+ UINT32 BaseLow:16;
+ UINT32 BaseMid:8;
+ UINT32 Type:4;
+ UINT32 S:1;
+ UINT32 DPL:2;
+ UINT32 P:1;
+ UINT32 LimitHigh:4;
+ UINT32 AVL:1;
+ UINT32 L:1;
+ UINT32 DB:1;
+ UINT32 G:1;
+ UINT32 BaseHigh:8;
+ } Bits;
+ UINT64 Uint64;
+} IA32_SEGMENT_DESCRIPTOR;
+
+///
+/// Byte packed structure for an IDTR, GDTR, LDTR descriptor.
///
#pragma pack (1)
typedef struct {
@@ -5090,37 +6648,103 @@ typedef struct {
#define IA32_IDT_GATE_TYPE_INTERRUPT_32 0x8E
#define IA32_IDT_GATE_TYPE_TRAP_32 0x8F
+#define IA32_GDT_TYPE_TSS 0x9
+#define IA32_GDT_ALIGNMENT 8
#if defined (MDE_CPU_IA32)
///
-/// Byte packed structure for an IA32 Interrupt Gate Descriptor
+/// Byte packed structure for an IA-32 Interrupt Gate Descriptor.
///
typedef union {
struct {
- UINT32 OffsetLow:16; ///< Offset bits 15..0
- UINT32 Selector:16; ///< Selector
- UINT32 Reserved_0:8; ///< Reserved
- UINT32 GateType:8; ///< Gate Type. See #defines above
- UINT32 OffsetHigh:16; ///< Offset bits 31..16
+ UINT32 OffsetLow:16; ///< Offset bits 15..0.
+ UINT32 Selector:16; ///< Selector.
+ UINT32 Reserved_0:8; ///< Reserved.
+ UINT32 GateType:8; ///< Gate Type. See #defines above.
+ UINT32 OffsetHigh:16; ///< Offset bits 31..16.
} Bits;
UINT64 Uint64;
} IA32_IDT_GATE_DESCRIPTOR;
-#endif
+#pragma pack (1)
+//
+// IA32 Task-State Segment Definition
+//
+typedef struct {
+ UINT16 PreviousTaskLink;
+ UINT16 Reserved_2;
+ UINT32 ESP0;
+ UINT16 SS0;
+ UINT16 Reserved_10;
+ UINT32 ESP1;
+ UINT16 SS1;
+ UINT16 Reserved_18;
+ UINT32 ESP2;
+ UINT16 SS2;
+ UINT16 Reserved_26;
+ UINT32 CR3;
+ UINT32 EIP;
+ UINT32 EFLAGS;
+ UINT32 EAX;
+ UINT32 ECX;
+ UINT32 EDX;
+ UINT32 EBX;
+ UINT32 ESP;
+ UINT32 EBP;
+ UINT32 ESI;
+ UINT32 EDI;
+ UINT16 ES;
+ UINT16 Reserved_74;
+ UINT16 CS;
+ UINT16 Reserved_78;
+ UINT16 SS;
+ UINT16 Reserved_82;
+ UINT16 DS;
+ UINT16 Reserved_86;
+ UINT16 FS;
+ UINT16 Reserved_90;
+ UINT16 GS;
+ UINT16 Reserved_94;
+ UINT16 LDTSegmentSelector;
+ UINT16 Reserved_98;
+ UINT16 T;
+ UINT16 IOMapBaseAddress;
+} IA32_TASK_STATE_SEGMENT;
+
+typedef union {
+ struct {
+ UINT32 LimitLow:16; ///< Segment Limit 15..00
+ UINT32 BaseLow:16; ///< Base Address 15..00
+ UINT32 BaseMid:8; ///< Base Address 23..16
+ UINT32 Type:4; ///< Type (1 0 B 1)
+ UINT32 Reserved_43:1; ///< 0
+ UINT32 DPL:2; ///< Descriptor Privilege Level
+ UINT32 P:1; ///< Segment Present
+ UINT32 LimitHigh:4; ///< Segment Limit 19..16
+ UINT32 AVL:1; ///< Available for use by system software
+ UINT32 Reserved_52:2; ///< 0 0
+ UINT32 G:1; ///< Granularity
+ UINT32 BaseHigh:8; ///< Base Address 31..24
+ } Bits;
+ UINT64 Uint64;
+} IA32_TSS_DESCRIPTOR;
+#pragma pack ()
+
+#endif // defined (MDE_CPU_IA32)
#if defined (MDE_CPU_X64)
///
-/// Byte packed structure for an x64 Interrupt Gate Descriptor
+/// Byte packed structure for an x64 Interrupt Gate Descriptor.
///
typedef union {
struct {
- UINT32 OffsetLow:16; ///< Offset bits 15..0
- UINT32 Selector:16; ///< Selector
- UINT32 Reserved_0:8; ///< Reserved
- UINT32 GateType:8; ///< Gate Type. See #defines above
- UINT32 OffsetHigh:16; ///< Offset bits 31..16
- UINT32 OffsetUpper:32; ///< Offset bits 63..32
- UINT32 Reserved_1:32; ///< Reserved
+ UINT32 OffsetLow:16; ///< Offset bits 15..0.
+ UINT32 Selector:16; ///< Selector.
+ UINT32 Reserved_0:8; ///< Reserved.
+ UINT32 GateType:8; ///< Gate Type. See #defines above.
+ UINT32 OffsetHigh:16; ///< Offset bits 31..16.
+ UINT32 OffsetUpper:32; ///< Offset bits 63..32.
+ UINT32 Reserved_1:32; ///< Reserved.
} Bits;
struct {
UINT64 Uint64;
@@ -5128,17 +6752,57 @@ typedef union {
} Uint128;
} IA32_IDT_GATE_DESCRIPTOR;
-#endif
+#pragma pack (1)
+//
+// IA32 Task-State Segment Definition
+//
+typedef struct {
+ UINT32 Reserved_0;
+ UINT64 RSP0;
+ UINT64 RSP1;
+ UINT64 RSP2;
+ UINT64 Reserved_28;
+ UINT64 IST[7];
+ UINT64 Reserved_92;
+ UINT16 Reserved_100;
+ UINT16 IOMapBaseAddress;
+} IA32_TASK_STATE_SEGMENT;
+
+typedef union {
+ struct {
+ UINT32 LimitLow:16; ///< Segment Limit 15..00
+ UINT32 BaseLow:16; ///< Base Address 15..00
+ UINT32 BaseMidl:8; ///< Base Address 23..16
+ UINT32 Type:4; ///< Type (1 0 B 1)
+ UINT32 Reserved_43:1; ///< 0
+ UINT32 DPL:2; ///< Descriptor Privilege Level
+ UINT32 P:1; ///< Segment Present
+ UINT32 LimitHigh:4; ///< Segment Limit 19..16
+ UINT32 AVL:1; ///< Available for use by system software
+ UINT32 Reserved_52:2; ///< 0 0
+ UINT32 G:1; ///< Granularity
+ UINT32 BaseMidh:8; ///< Base Address 31..24
+ UINT32 BaseHigh:32; ///< Base Address 63..32
+ UINT32 Reserved_96:32; ///< Reserved
+ } Bits;
+ struct {
+ UINT64 Uint64;
+ UINT64 Uint64_1;
+ } Uint128;
+} IA32_TSS_DESCRIPTOR;
+#pragma pack ()
+
+#endif // defined (MDE_CPU_X64)
///
-/// Byte packed structure for an FP/SSE/SSE2 context
+/// Byte packed structure for an FP/SSE/SSE2 context.
///
typedef struct {
UINT8 Buffer[512];
} IA32_FX_BUFFER;
///
-/// Structures for the 16-bit real mode thunks
+/// Structures for the 16-bit real mode thunks.
///
typedef struct {
UINT32 Reserved1;
@@ -5204,7 +6868,7 @@ typedef union {
} IA32_REGISTER_SET;
///
-/// Byte packed structure for an 16-bit real mode thunks
+/// Byte packed structure for an 16-bit real mode thunks.
///
typedef struct {
IA32_REGISTER_SET *RealModeState;
@@ -5217,6 +6881,20 @@ typedef struct {
#define THUNK_ATTRIBUTE_DISABLE_A20_MASK_INT_15 0x00000002
#define THUNK_ATTRIBUTE_DISABLE_A20_MASK_KBD_CTRL 0x00000004
+///
+/// Type definition for representing labels in NASM source code that allow for
+/// the patching of immediate operands of IA32 and X64 instructions.
+///
+/// While the type is technically defined as a function type (note: not a
+/// pointer-to-function type), such labels in NASM source code never stand for
+/// actual functions, and identifiers declared with this function type should
+/// never be called. This is also why the EFIAPI calling convention specifier
+/// is missing from the typedef, and why the typedef does not follow the usual
+/// edk2 coding style for function (or pointer-to-function) typedefs. The VOID
+/// return type and the VOID argument list are merely artifacts.
+///
+typedef VOID (X86_ASSEMBLY_PATCH_LABEL) (VOID);
+
/**
Retrieves CPUID information.
@@ -5230,13 +6908,13 @@ typedef struct {
@param Index The 32-bit value to load into EAX prior to invoking the CPUID
instruction.
- @param Eax Pointer to the 32-bit EAX value returned by the CPUID
+ @param Eax The pointer to the 32-bit EAX value returned by the CPUID
instruction. This is an optional parameter that may be NULL.
- @param Ebx Pointer to the 32-bit EBX value returned by the CPUID
+ @param Ebx The pointer to the 32-bit EBX value returned by the CPUID
instruction. This is an optional parameter that may be NULL.
- @param Ecx Pointer to the 32-bit ECX value returned by the CPUID
+ @param Ecx The pointer to the 32-bit ECX value returned by the CPUID
instruction. This is an optional parameter that may be NULL.
- @param Edx Pointer to the 32-bit EDX value returned by the CPUID
+ @param Edx The pointer to the 32-bit EDX value returned by the CPUID
instruction. This is an optional parameter that may be NULL.
@return Index.
@@ -5269,16 +6947,16 @@ AsmCpuid (
CPUID instruction.
@param SubIndex The 32-bit value to load into ECX prior to invoking the
CPUID instruction.
- @param Eax Pointer to the 32-bit EAX value returned by the CPUID
+ @param Eax The pointer to the 32-bit EAX value returned by the CPUID
instruction. This is an optional parameter that may be
NULL.
- @param Ebx Pointer to the 32-bit EBX value returned by the CPUID
+ @param Ebx The pointer to the 32-bit EBX value returned by the CPUID
instruction. This is an optional parameter that may be
NULL.
- @param Ecx Pointer to the 32-bit ECX value returned by the CPUID
+ @param Ecx The pointer to the 32-bit ECX value returned by the CPUID
instruction. This is an optional parameter that may be
NULL.
- @param Edx Pointer to the 32-bit EDX value returned by the CPUID
+ @param Edx The pointer to the 32-bit EDX value returned by the CPUID
instruction. This is an optional parameter that may be
NULL.
@@ -5500,6 +7178,7 @@ AsmMsrBitFieldRead32 (
If StartBit is greater than 31, then ASSERT().
If EndBit is greater than 31, then ASSERT().
If EndBit is less than StartBit, then ASSERT().
+ If Value is larger than the bitmask value range specified by StartBit and EndBit, then ASSERT().
@param Index The 32-bit MSR index to write.
@param StartBit The ordinal of the least significant bit in the bit field.
@@ -5536,6 +7215,7 @@ AsmMsrBitFieldWrite32 (
If StartBit is greater than 31, then ASSERT().
If EndBit is greater than 31, then ASSERT().
If EndBit is less than StartBit, then ASSERT().
+ If OrData is larger than the bitmask value range specified by StartBit and EndBit, then ASSERT().
@param Index The 32-bit MSR index to write.
@param StartBit The ordinal of the least significant bit in the bit field.
@@ -5572,6 +7252,7 @@ AsmMsrBitFieldOr32 (
If StartBit is greater than 31, then ASSERT().
If EndBit is greater than 31, then ASSERT().
If EndBit is less than StartBit, then ASSERT().
+ If AndData is larger than the bitmask value range specified by StartBit and EndBit, then ASSERT().
@param Index The 32-bit MSR index to write.
@param StartBit The ordinal of the least significant bit in the bit field.
@@ -5610,6 +7291,8 @@ AsmMsrBitFieldAnd32 (
If StartBit is greater than 31, then ASSERT().
If EndBit is greater than 31, then ASSERT().
If EndBit is less than StartBit, then ASSERT().
+ If AndData is larger than the bitmask value range specified by StartBit and EndBit, then ASSERT().
+ If OrData is larger than the bitmask value range specified by StartBit and EndBit, then ASSERT().
@param Index The 32-bit MSR index to write.
@param StartBit The ordinal of the least significant bit in the bit field.
@@ -5804,6 +7487,7 @@ AsmMsrBitFieldRead64 (
If StartBit is greater than 63, then ASSERT().
If EndBit is greater than 63, then ASSERT().
If EndBit is less than StartBit, then ASSERT().
+ If Value is larger than the bitmask value range specified by StartBit and EndBit, then ASSERT().
@param Index The 32-bit MSR index to write.
@param StartBit The ordinal of the least significant bit in the bit field.
@@ -5840,6 +7524,7 @@ AsmMsrBitFieldWrite64 (
If StartBit is greater than 63, then ASSERT().
If EndBit is greater than 63, then ASSERT().
If EndBit is less than StartBit, then ASSERT().
+ If OrData is larger than the bitmask value range specified by StartBit and EndBit, then ASSERT().
@param Index The 32-bit MSR index to write.
@param StartBit The ordinal of the least significant bit in the bit field.
@@ -5876,6 +7561,7 @@ AsmMsrBitFieldOr64 (
If StartBit is greater than 63, then ASSERT().
If EndBit is greater than 63, then ASSERT().
If EndBit is less than StartBit, then ASSERT().
+ If AndData is larger than the bitmask value range specified by StartBit and EndBit, then ASSERT().
@param Index The 32-bit MSR index to write.
@param StartBit The ordinal of the least significant bit in the bit field.
@@ -5913,6 +7599,8 @@ AsmMsrBitFieldAnd64 (
If StartBit is greater than 63, then ASSERT().
If EndBit is greater than 63, then ASSERT().
If EndBit is less than StartBit, then ASSERT().
+ If AndData is larger than the bitmask value range specified by StartBit and EndBit, then ASSERT().
+ If OrData is larger than the bitmask value range specified by StartBit and EndBit, then ASSERT().
@param Index The 32-bit MSR index to write.
@param StartBit The ordinal of the least significant bit in the bit field.
@@ -6493,7 +8181,7 @@ AsmReadTr (
If Gdtr is NULL, then ASSERT().
- @param Gdtr Pointer to a GDTR descriptor.
+ @param Gdtr The pointer to a GDTR descriptor.
**/
VOID
@@ -6511,7 +8199,7 @@ AsmReadGdtr (
If Gdtr is NULL, then ASSERT().
- @param Gdtr Pointer to a GDTR descriptor.
+ @param Gdtr The pointer to a GDTR descriptor.
**/
VOID
@@ -6529,7 +8217,7 @@ AsmWriteGdtr (
If Idtr is NULL, then ASSERT().
- @param Idtr Pointer to a IDTR descriptor.
+ @param Idtr The pointer to a IDTR descriptor.
**/
VOID
@@ -6547,7 +8235,7 @@ AsmReadIdtr (
If Idtr is NULL, then ASSERT().
- @param Idtr Pointer to a IDTR descriptor.
+ @param Idtr The pointer to a IDTR descriptor.
**/
VOID
@@ -6599,7 +8287,7 @@ AsmWriteLdtr (
If Buffer is NULL, then ASSERT().
If Buffer is not aligned on a 16-byte boundary, then ASSERT().
- @param Buffer Pointer to a buffer to save the floating point/SSE/SSE2 context.
+ @param Buffer The pointer to a buffer to save the floating point/SSE/SSE2 context.
**/
VOID
@@ -6620,7 +8308,7 @@ AsmFxSave (
If Buffer is not aligned on a 16-byte boundary, then ASSERT().
If Buffer was not saved with AsmFxSave(), then ASSERT().
- @param Buffer Pointer to a buffer to save the floating point/SSE/SSE2 context.
+ @param Buffer The pointer to a buffer to save the floating point/SSE/SSE2 context.
**/
VOID
@@ -7008,7 +8696,7 @@ AsmInvd (
addressing mode, then LinearAddress is a virtual
address.
- @return LinearAddress
+ @return LinearAddress.
**/
VOID *
EFIAPI
@@ -7205,7 +8893,7 @@ AsmDisablePaging64 (
in ExtraStackSize. If parameters are passed to the 16-bit real mode code,
then the actual minimum stack size is ExtraStackSize plus the maximum number
of bytes that need to be passed to the 16-bit real mode code.
-
+
If RealModeBufferSize is NULL, then ASSERT().
If ExtraStackSize is NULL, then ASSERT().
@@ -7229,6 +8917,9 @@ AsmGetThunk16Properties (
Prepares all structures a code required to use AsmThunk16().
Prepares all structures and code required to use AsmThunk16().
+
+ This interface is limited to be used in either physical mode or virtual modes with paging enabled where the
+ virtual to physical mappings for ThunkContext.RealModeBuffer is mapped 1:1.
If ThunkContext is NULL, then ASSERT().
@@ -7239,7 +8930,7 @@ AsmGetThunk16Properties (
VOID
EFIAPI
AsmPrepareThunk16 (
- OUT THUNK_CONTEXT *ThunkContext
+ IN OUT THUNK_CONTEXT *ThunkContext
);
@@ -7289,6 +8980,9 @@ AsmPrepareThunk16 (
If both THUNK_ATTRIBUTE_DISABLE_A20_MASK_INT_15 and THUNK_ATTRIBUTE_DISABLE_A20_MASK_KBD_CTRL are set in
ThunkAttributes, then ASSERT().
+ This interface is limited to be used in either physical mode or virtual modes with paging enabled where the
+ virtual to physical mappings for ThunkContext.RealModeBuffer are mapped 1:1.
+
@param ThunkContext A pointer to the context structure that describes the
16-bit real mode code to call.
@@ -7311,6 +9005,9 @@ AsmThunk16 (
real mode thunk, then it is more efficient if AsmPrepareThunk16() is called
once and AsmThunk16() can be called for each 16-bit real mode thunk.
+ This interface is limited to be used in either physical mode or virtual modes with paging enabled where the
+ virtual to physical mappings for ThunkContext.RealModeBuffer is mapped 1:1.
+
See AsmPrepareThunk16() and AsmThunk16() for the detailed description and ASSERT() conditions.
@param ThunkContext A pointer to the context structure that describes the
@@ -7323,7 +9020,109 @@ AsmPrepareAndThunk16 (
IN OUT THUNK_CONTEXT *ThunkContext
);
-#endif
-#endif
+/**
+ Generates a 16-bit random number through RDRAND instruction.
+
+ if Rand is NULL, then ASSERT().
+
+ @param[out] Rand Buffer pointer to store the random result.
+
+ @retval TRUE RDRAND call was successful.
+ @retval FALSE Failed attempts to call RDRAND.
+
+ **/
+BOOLEAN
+EFIAPI
+AsmRdRand16 (
+ OUT UINT16 *Rand
+ );
+
+/**
+ Generates a 32-bit random number through RDRAND instruction.
+
+ if Rand is NULL, then ASSERT().
+
+ @param[out] Rand Buffer pointer to store the random result.
+
+ @retval TRUE RDRAND call was successful.
+ @retval FALSE Failed attempts to call RDRAND.
+
+**/
+BOOLEAN
+EFIAPI
+AsmRdRand32 (
+ OUT UINT32 *Rand
+ );
+
+/**
+ Generates a 64-bit random number through RDRAND instruction.
+
+ if Rand is NULL, then ASSERT().
+
+ @param[out] Rand Buffer pointer to store the random result.
+
+ @retval TRUE RDRAND call was successful.
+ @retval FALSE Failed attempts to call RDRAND.
+
+**/
+BOOLEAN
+EFIAPI
+AsmRdRand64 (
+ OUT UINT64 *Rand
+ );
+
+/**
+ Load given selector into TR register.
+
+ @param[in] Selector Task segment selector
+**/
+VOID
+EFIAPI
+AsmWriteTr (
+ IN UINT16 Selector
+ );
+
+/**
+ Patch the immediate operand of an IA32 or X64 instruction such that the byte,
+ word, dword or qword operand is encoded at the end of the instruction's
+ binary representation.
+
+ This function should be used to update object code that was compiled with
+ NASM from assembly source code. Example:
+
+ NASM source code:
+
+ mov eax, strict dword 0 ; the imm32 zero operand will be patched
+ ASM_PFX(gPatchCr3):
+ mov cr3, eax
+ C source code:
+
+ X86_ASSEMBLY_PATCH_LABEL gPatchCr3;
+ PatchInstructionX86 (gPatchCr3, AsmReadCr3 (), 4);
+
+ @param[out] InstructionEnd Pointer right past the instruction to patch. The
+ immediate operand to patch is expected to
+ comprise the trailing bytes of the instruction.
+ If InstructionEnd is closer to address 0 than
+ ValueSize permits, then ASSERT().
+
+ @param[in] PatchValue The constant to write to the immediate operand.
+ The caller is responsible for ensuring that
+ PatchValue can be represented in the byte, word,
+ dword or qword operand (as indicated through
+ ValueSize); otherwise ASSERT().
+
+ @param[in] ValueSize The size of the operand in bytes; must be 1, 2,
+ 4, or 8. ASSERT() otherwise.
+**/
+VOID
+EFIAPI
+PatchInstructionX86 (
+ OUT X86_ASSEMBLY_PATCH_LABEL *InstructionEnd,
+ IN UINT64 PatchValue,
+ IN UINTN ValueSize
+ );
+#endif // defined (MDE_CPU_IA32) || defined (MDE_CPU_X64)
+#endif // !defined (__BASE_LIB__)