audk/MdeModulePkg/Universal/PrintDxe/Print.c

138 lines
3.9 KiB
C

/** @file
This driver produces Print2 protocols layered on top of the PrintLib from the MdePkg.
Copyright (c) 2009 - 2017, Intel Corporation. All rights reserved.<BR>
SPDX-License-Identifier: BSD-2-Clause-Patent
**/
#include <PiDxe.h>
#include <Protocol/Print2.h>
#include <Library/PrintLib.h>
#include <Library/UefiBootServicesTableLib.h>
#include <Library/DebugLib.h>
#include <Library/UefiDriverEntryPoint.h>
/**
Implementaion of the UnicodeValueToString service in EFI_PRINT2_PROTOCOL.
@param Buffer The pointer to the output buffer for the produced
Null-terminated Unicode string.
@param Flags The bitmask of flags that specify left justification, zero
pad, and commas.
@param Value The 64-bit signed value to convert to a string.
@param Width The maximum number of Unicode characters to place in Buffer,
not including the Null-terminator.
@return 0.
**/
UINTN
EFIAPI
PrintDxeUnicodeValueToString (
IN OUT CHAR16 *Buffer,
IN UINTN Flags,
IN INT64 Value,
IN UINTN Width
)
{
DEBUG ((DEBUG_ERROR, "PrintDxe: The UnicodeValueToString service in EFI_PRINT2_PROTOCOL is no longer supported for security reason.\n"));
DEBUG ((DEBUG_ERROR, "PrintDxe: Please consider using the UnicodeValueToStringS service in EFI_PRINT2S_PROTOCOL.\n"));
ASSERT (FALSE);
return 0;
}
/**
Implementaion of the AsciiValueToString service in EFI_PRINT2_PROTOCOL.
@param Buffer A pointer to the output buffer for the produced
Null-terminated ASCII string.
@param Flags The bitmask of flags that specify left justification, zero
pad, and commas.
@param Value The 64-bit signed value to convert to a string.
@param Width The maximum number of ASCII characters to place in Buffer,
not including the Null-terminator.
@return 0.
**/
UINTN
EFIAPI
PrintDxeAsciiValueToString (
OUT CHAR8 *Buffer,
IN UINTN Flags,
IN INT64 Value,
IN UINTN Width
)
{
DEBUG ((DEBUG_ERROR, "PrintDxe: The AsciiValueToString service in EFI_PRINT2_PROTOCOL is no longer supported for security reason.\n"));
DEBUG ((DEBUG_ERROR, "PrintDxe: Please consider using the AsciiValueToStringS service in EFI_PRINT2S_PROTOCOL.\n"));
ASSERT (FALSE);
return 0;
}
EFI_HANDLE mPrintThunkHandle = NULL;
CONST EFI_PRINT2_PROTOCOL mPrint2Protocol = {
UnicodeBSPrint,
UnicodeSPrint,
UnicodeBSPrintAsciiFormat,
UnicodeSPrintAsciiFormat,
PrintDxeUnicodeValueToString,
AsciiBSPrint,
AsciiSPrint,
AsciiBSPrintUnicodeFormat,
AsciiSPrintUnicodeFormat,
PrintDxeAsciiValueToString
};
CONST EFI_PRINT2S_PROTOCOL mPrint2SProtocol = {
UnicodeBSPrint,
UnicodeSPrint,
UnicodeBSPrintAsciiFormat,
UnicodeSPrintAsciiFormat,
UnicodeValueToStringS,
AsciiBSPrint,
AsciiSPrint,
AsciiBSPrintUnicodeFormat,
AsciiSPrintUnicodeFormat,
AsciiValueToStringS
};
/**
The user Entry Point for Print module.
This is the entry point for Print DXE Driver. It installs the Print2 Protocol.
@param[in] ImageHandle The firmware allocated handle for the EFI image.
@param[in] SystemTable A pointer to the EFI System Table.
@retval EFI_SUCCESS The entry point is executed successfully.
@retval Others Some error occurs when executing this entry point.
**/
EFI_STATUS
EFIAPI
PrintEntryPoint (
IN EFI_HANDLE ImageHandle,
IN EFI_SYSTEM_TABLE *SystemTable
)
{
EFI_STATUS Status;
Status = gBS->InstallMultipleProtocolInterfaces (
&mPrintThunkHandle,
&gEfiPrint2ProtocolGuid,
&mPrint2Protocol,
&gEfiPrint2SProtocolGuid,
&mPrint2SProtocol,
NULL
);
ASSERT_EFI_ERROR (Status);
return Status;
}