diff options
Diffstat (limited to 'MdeModulePkg/Library/DxePrintLibPrint2Protocol')
| -rw-r--r-- | MdeModulePkg/Library/DxePrintLibPrint2Protocol/DxePrintLibPrint2Protocol.inf | 1 | ||||
| -rw-r--r-- | MdeModulePkg/Library/DxePrintLibPrint2Protocol/PrintLib.c | 393 |
2 files changed, 390 insertions, 4 deletions
diff --git a/MdeModulePkg/Library/DxePrintLibPrint2Protocol/DxePrintLibPrint2Protocol.inf b/MdeModulePkg/Library/DxePrintLibPrint2Protocol/DxePrintLibPrint2Protocol.inf index 6f5d6e3e36..20c482c601 100644 --- a/MdeModulePkg/Library/DxePrintLibPrint2Protocol/DxePrintLibPrint2Protocol.inf +++ b/MdeModulePkg/Library/DxePrintLibPrint2Protocol/DxePrintLibPrint2Protocol.inf @@ -40,6 +40,7 @@ [LibraryClasses]
+ BaseLib
UefiBootServicesTableLib
DebugLib
diff --git a/MdeModulePkg/Library/DxePrintLibPrint2Protocol/PrintLib.c b/MdeModulePkg/Library/DxePrintLibPrint2Protocol/PrintLib.c index 3923f956cb..d22d4d5566 100644 --- a/MdeModulePkg/Library/DxePrintLibPrint2Protocol/PrintLib.c +++ b/MdeModulePkg/Library/DxePrintLibPrint2Protocol/PrintLib.c @@ -18,7 +18,12 @@ WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED. **/
#include <Uefi.h>
+
#include <Protocol/Print2.h>
+
+#include <Library/PrintLib.h>
+
+#include <Library/BaseLib.h>
#include <Library/UefiBootServicesTableLib.h>
#include <Library/DebugLib.h>
@@ -58,6 +63,166 @@ PrintLibConstructor ( /**
+ Worker function that converts a VA_LIST to a BASE_LIST based on a Null-terminated
+ format string.
+
+ @param AsciiFormat TRUE if Format is an ASCII string. FALSE if Format is a Unicode string.
+ @param Format Null-terminated format string.
+ @param VaListMarker VA_LIST style variable argument list consumed by processing Format.
+ @param BaseListMarker BASE_LIST style variable argument list consumed by processing Format.
+ @param Size The size, in bytes, of the BaseListMarker buffer.
+
+ @return The number of bytes in BaseListMarker. 0 if BaseListMarker is too small.
+
+**/
+BOOLEAN
+DxePrintLibPrint2ProtocolVaListToBaseList (
+ IN BOOLEAN AsciiFormat,
+ IN CONST CHAR8 *Format,
+ IN VA_LIST VaListMarker,
+ OUT BASE_LIST BaseListMarker,
+ IN UINTN Size
+ )
+{
+ BASE_LIST BaseListStart;
+ UINTN BytesPerFormatCharacter;
+ UINTN FormatMask;
+ UINTN FormatCharacter;
+ BOOLEAN Long;
+ BOOLEAN Done;
+
+ ASSERT (Format != NULL);
+ ASSERT (VaListMarker != NULL);
+ ASSERT (BaseListMarker != NULL);
+
+ BaseListStart = BaseListMarker;
+
+ if (AsciiFormat) {
+ ASSERT (AsciiStrSize (Format) != 0);
+ BytesPerFormatCharacter = 1;
+ FormatMask = 0xff;
+ } else {
+ ASSERT (StrSize ((CHAR16 *) Format) != 0);
+ BytesPerFormatCharacter = 2;
+ FormatMask = 0xffff;
+ }
+
+ //
+ // Get the first character from the format string
+ //
+ FormatCharacter = ((*Format & 0xff) | (*(Format + 1) << 8)) & FormatMask;
+
+ while (FormatCharacter != 0) {
+ if (FormatCharacter == '%') {
+ Long = FALSE;
+
+ //
+ // Parse Flags and Width
+ //
+ for (Done = FALSE; !Done; ) {
+ //
+ // Get the next character from the format string
+ //
+ Format += BytesPerFormatCharacter;
+
+ //
+ // Get the next character from the format string
+ //
+ FormatCharacter = ((*Format & 0xff) | (*(Format + 1) << 8)) & FormatMask;
+
+ switch (FormatCharacter) {
+ case '.':
+ case '-':
+ case '+':
+ case ' ':
+ case ',':
+ case '0':
+ case '1':
+ case '2':
+ case '3':
+ case '4':
+ case '5':
+ case '6':
+ case '7':
+ case '8':
+ case '9':
+ break;
+ case 'L':
+ case 'l':
+ Long = TRUE;
+ break;
+ case '*':
+ BASE_ARG (BaseListMarker, UINTN) = VA_ARG (VaListMarker, UINTN);
+ break;
+ case '\0':
+ //
+ // Make no output if Format string terminates unexpectedly when
+ // looking up for flag, width, precision and type.
+ //
+ Format -= BytesPerFormatCharacter;
+ //
+ // break skipped on purpose.
+ //
+ default:
+ Done = TRUE;
+ break;
+ }
+ }
+
+ //
+ // Handle each argument type
+ //
+ switch (FormatCharacter) {
+ case 'p':
+ if (sizeof (VOID *) > 4) {
+ Long = TRUE;
+ }
+ case 'X':
+ case 'x':
+ case 'd':
+ if (Long) {
+ BASE_ARG (BaseListMarker, INT64) = VA_ARG (VaListMarker, INT64);
+ } else {
+ BASE_ARG (BaseListMarker, int) = VA_ARG (VaListMarker, int);
+ }
+ break;
+ case 's':
+ case 'S':
+ case 'a':
+ case 'g':
+ case 't':
+ BASE_ARG (BaseListMarker, VOID *) = VA_ARG (VaListMarker, VOID *);
+ break;
+ case 'c':
+ BASE_ARG (BaseListMarker, UINTN) = VA_ARG (VaListMarker, UINTN);
+ break;
+ case 'r':
+ BASE_ARG (BaseListMarker, RETURN_STATUS) = VA_ARG (VaListMarker, RETURN_STATUS);
+ break;
+ }
+ }
+
+ //
+ // If BASE_LIST is larger than Size, then return FALSE
+ //
+ if ((UINTN)((UINT8 *)BaseListMarker - (UINT8 *)BaseListStart) > Size) {
+ return FALSE;
+ }
+
+ //
+ // Get the next character from the format string
+ //
+ Format += BytesPerFormatCharacter;
+
+ //
+ // Get the next character from the format string
+ //
+ FormatCharacter = ((*Format & 0xff) | (*(Format + 1) << 8)) & FormatMask;
+ }
+ return TRUE;
+}
+
+/**
Produces a Null-terminated Unicode string in an output buffer based on
a Null-terminated Unicode format string and a VA_LIST argument list
@@ -100,7 +265,63 @@ UnicodeVSPrint ( IN VA_LIST Marker
)
{
- return mPrint2Protocol->UnicodeVSPrint (StartOfBuffer, BufferSize, FormatString, Marker);
+ UINT8 BaseListMarker[256];
+
+ DxePrintLibPrint2ProtocolVaListToBaseList (
+ FALSE,
+ (CHAR8 *)FormatString,
+ Marker,
+ (BASE_LIST)BaseListMarker,
+ sizeof (BaseListMarker) - 8
+ );
+
+ return UnicodeBSPrint (StartOfBuffer, BufferSize, FormatString, (BASE_LIST)BaseListMarker);
+}
+
+/**
+ Produces a Null-terminated Unicode string in an output buffer based on
+ a Null-terminated Unicode format string and a BASE_LIST argument list
+
+ Produces a Null-terminated Unicode string in the output buffer specified by StartOfBuffer
+ and BufferSize.
+ The Unicode string is produced by parsing the format string specified by FormatString.
+ Arguments are pulled from the variable argument list specified by Marker based on the
+ contents of the format string.
+ The number of Unicode characters in the produced output buffer is returned not including
+ the Null-terminator.
+ If BufferSize is 0 or 1, then no output buffer is produced and 0 is returned.
+
+ If BufferSize > 1 and StartOfBuffer is NULL, then ASSERT().
+ If BufferSize > 1 and StartOfBuffer is not aligned on a 16-bit boundary, then ASSERT().
+ If BufferSize > 1 and FormatString is NULL, then ASSERT().
+ If BufferSize > 1 and FormatString is not aligned on a 16-bit boundary, then ASSERT().
+ If PcdMaximumUnicodeStringLength is not zero, and FormatString contains more than
+ PcdMaximumUnicodeStringLength Unicode characters not including the Null-terminator, then
+ ASSERT().
+ If PcdMaximumUnicodeStringLength is not zero, and produced Null-terminated Unicode string
+ contains more than PcdMaximumUnicodeStringLength Unicode characters not including the
+ Null-terminator, then ASSERT().
+
+ @param StartOfBuffer A pointer to the output buffer for the produced Null-terminated
+ Unicode string.
+ @param BufferSize The size, in bytes, of the output buffer specified by StartOfBuffer.
+ @param FormatString Null-terminated Unicode format string.
+ @param Marker BASE_LIST marker for the variable argument list.
+
+ @return The number of Unicode characters in the produced output buffer not including the
+ Null-terminator.
+
+**/
+UINTN
+EFIAPI
+UnicodeBSPrint (
+ OUT CHAR16 *StartOfBuffer,
+ IN UINTN BufferSize,
+ IN CONST CHAR16 *FormatString,
+ IN BASE_LIST Marker
+ )
+{
+ return mPrint2Protocol->UnicodeBSPrint (StartOfBuffer, BufferSize, FormatString, Marker);
}
/**
@@ -194,7 +415,62 @@ UnicodeVSPrintAsciiFormat ( IN VA_LIST Marker
)
{
- return mPrint2Protocol->UnicodeSPrintAsciiFormat (StartOfBuffer, BufferSize, FormatString, Marker);
+ UINT8 BaseListMarker[256];
+
+ DxePrintLibPrint2ProtocolVaListToBaseList (
+ TRUE,
+ FormatString,
+ Marker,
+ (BASE_LIST)BaseListMarker,
+ sizeof (BaseListMarker) - 8
+ );
+
+ return UnicodeBSPrintAsciiFormat (StartOfBuffer, BufferSize, FormatString, (BASE_LIST)BaseListMarker);
+}
+
+/**
+ Produces a Null-terminated Unicode string in an output buffer based on a Null-terminated
+ ASCII format string and a BASE_LIST argument list
+
+ Produces a Null-terminated Unicode string in the output buffer specified by StartOfBuffer
+ and BufferSize.
+ The Unicode string is produced by parsing the format string specified by FormatString.
+ Arguments are pulled from the variable argument list specified by Marker based on the
+ contents of the format string.
+ The number of Unicode characters in the produced output buffer is returned not including
+ the Null-terminator.
+ If BufferSize is 0 or 1, then no output buffer is produced and 0 is returned.
+
+ If BufferSize > 1 and StartOfBuffer is NULL, then ASSERT().
+ If BufferSize > 1 and StartOfBuffer is not aligned on a 16-bit boundary, then ASSERT().
+ If BufferSize > 1 and FormatString is NULL, then ASSERT().
+ If PcdMaximumAsciiStringLength is not zero, and FormatString contains more than
+ PcdMaximumAsciiStringLength ASCII characters not including the Null-terminator, then
+ ASSERT().
+ If PcdMaximumUnicodeStringLength is not zero, and produced Null-terminated Unicode string
+ contains more than PcdMaximumUnicodeStringLength Unicode characters not including the
+ Null-terminator, then ASSERT().
+
+ @param StartOfBuffer A pointer to the output buffer for the produced Null-terminated
+ Unicode string.
+ @param BufferSize The size, in bytes, of the output buffer specified by StartOfBuffer.
+ @param FormatString Null-terminated Unicode format string.
+ @param Marker BASE_LIST marker for the variable argument list.
+
+ @return The number of Unicode characters in the produced output buffer not including the
+ Null-terminator.
+
+**/
+UINTN
+EFIAPI
+UnicodeBSPrintAsciiFormat (
+ OUT CHAR16 *StartOfBuffer,
+ IN UINTN BufferSize,
+ IN CONST CHAR8 *FormatString,
+ IN BASE_LIST Marker
+ )
+{
+ return mPrint2Protocol->UnicodeBSPrintAsciiFormat (StartOfBuffer, BufferSize, FormatString, Marker);
}
/**
@@ -340,7 +616,61 @@ AsciiVSPrint ( IN VA_LIST Marker
)
{
- return mPrint2Protocol->AsciiVSPrint (StartOfBuffer, BufferSize, FormatString, Marker);
+ UINT8 BaseListMarker[256];
+
+ DxePrintLibPrint2ProtocolVaListToBaseList (
+ TRUE,
+ FormatString,
+ Marker,
+ (BASE_LIST)BaseListMarker,
+ sizeof (BaseListMarker) - 8
+ );
+
+ return AsciiBSPrint (StartOfBuffer, BufferSize, FormatString, (BASE_LIST)BaseListMarker);
+}
+
+/**
+ Produces a Null-terminated ASCII string in an output buffer based on a Null-terminated
+ ASCII format string and a BASE_LIST argument list.
+
+ Produces a Null-terminated ASCII string in the output buffer specified by StartOfBuffer
+ and BufferSize.
+ The ASCII string is produced by parsing the format string specified by FormatString.
+ Arguments are pulled from the variable argument list specified by Marker based on
+ the contents of the format string.
+ The number of ASCII characters in the produced output buffer is returned not including
+ the Null-terminator.
+ If BufferSize is 0, then no output buffer is produced and 0 is returned.
+
+ If BufferSize > 0 and StartOfBuffer is NULL, then ASSERT().
+ If BufferSize > 0 and FormatString is NULL, then ASSERT().
+ If PcdMaximumAsciiStringLength is not zero, and FormatString contains more than
+ PcdMaximumAsciiStringLength ASCII characters not including the Null-terminator, then
+ ASSERT().
+ If PcdMaximumAsciiStringLength is not zero, and produced Null-terminated ASCII string
+ contains more than PcdMaximumAsciiStringLength ASCII characters not including the
+ Null-terminator, then ASSERT().
+
+ @param StartOfBuffer A pointer to the output buffer for the produced Null-terminated
+ ASCII string.
+ @param BufferSize The size, in bytes, of the output buffer specified by StartOfBuffer.
+ @param FormatString Null-terminated Unicode format string.
+ @param Marker BASE_LIST marker for the variable argument list.
+
+ @return The number of ASCII characters in the produced output buffer not including the
+ Null-terminator.
+
+**/
+UINTN
+EFIAPI
+AsciiBSPrint (
+ OUT CHAR8 *StartOfBuffer,
+ IN UINTN BufferSize,
+ IN CONST CHAR8 *FormatString,
+ IN BASE_LIST Marker
+ )
+{
+ return mPrint2Protocol->AsciiBSPrint (StartOfBuffer, BufferSize, FormatString, Marker);
}
/**
@@ -433,7 +763,62 @@ AsciiVSPrintUnicodeFormat ( IN VA_LIST Marker
)
{
- return mPrint2Protocol->AsciiVSPrintUnicodeFormat (StartOfBuffer, BufferSize, FormatString, Marker);
+ UINT8 BaseListMarker[256];
+
+ DxePrintLibPrint2ProtocolVaListToBaseList (
+ FALSE,
+ (CHAR8 *)FormatString,
+ Marker,
+ (BASE_LIST)BaseListMarker,
+ sizeof (BaseListMarker) - 8
+ );
+
+ return AsciiBSPrintUnicodeFormat (StartOfBuffer, BufferSize, FormatString, (BASE_LIST)BaseListMarker);
+}
+
+/**
+ Produces a Null-terminated ASCII string in an output buffer based on a Null-terminated
+ ASCII format string and a BASE_LIST argument list.
+
+ Produces a Null-terminated ASCII string in the output buffer specified by StartOfBuffer
+ and BufferSize.
+ The ASCII string is produced by parsing the format string specified by FormatString.
+ Arguments are pulled from the variable argument list specified by Marker based on
+ the contents of the format string.
+ The number of ASCII characters in the produced output buffer is returned not including
+ the Null-terminator.
+ If BufferSize is 0, then no output buffer is produced and 0 is returned.
+
+ If BufferSize > 0 and StartOfBuffer is NULL, then ASSERT().
+ If BufferSize > 0 and FormatString is NULL, then ASSERT().
+ If BufferSize > 0 and FormatString is not aligned on a 16-bit boundary, then ASSERT().
+ If PcdMaximumUnicodeStringLength is not zero, and FormatString contains more than
+ PcdMaximumUnicodeStringLength Unicode characters not including the Null-terminator, then
+ ASSERT().
+ If PcdMaximumAsciiStringLength is not zero, and produced Null-terminated ASCII string
+ contains more than PcdMaximumAsciiStringLength ASCII characters not including the
+ Null-terminator, then ASSERT().
+
+ @param StartOfBuffer A pointer to the output buffer for the produced Null-terminated
+ ASCII string.
+ @param BufferSize The size, in bytes, of the output buffer specified by StartOfBuffer.
+ @param FormatString Null-terminated Unicode format string.
+ @param Marker BASE_LIST marker for the variable argument list.
+
+ @return The number of ASCII characters in the produced output buffer not including the
+ Null-terminator.
+
+**/
+UINTN
+EFIAPI
+AsciiBSPrintUnicodeFormat (
+ OUT CHAR8 *StartOfBuffer,
+ IN UINTN BufferSize,
+ IN CONST CHAR16 *FormatString,
+ IN BASE_LIST Marker
+ )
+{
+ return mPrint2Protocol->AsciiBSPrintUnicodeFormat (StartOfBuffer, BufferSize, FormatString, Marker);
}
/**
|