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/** @file
Copyright (c) 2008 - 2009, Apple Inc. All rights reserved.<BR>
Portions copyright (c) 2011, 2012, ARM Ltd. All rights reserved.<BR>
SPDX-License-Identifier: BSD-2-Clause-Patent
**/
#ifndef __SEMIHOSTING_H__
#define __SEMIHOSTING_H__
/*
*
* Please refer to ARM RVDS 3.0 Compiler and Libraries Guide for more information
* about the semihosting interface.
*
*/
#define SEMIHOST_FILE_MODE_READ (0 << 2)
#define SEMIHOST_FILE_MODE_WRITE (1 << 2)
#define SEMIHOST_FILE_MODE_APPEND (2 << 2)
#define SEMIHOST_FILE_MODE_UPDATE (1 << 1)
#define SEMIHOST_FILE_MODE_BINARY (1 << 0)
#define SEMIHOST_FILE_MODE_ASCII (0 << 0)
BOOLEAN
SemihostConnectionSupported (
VOID
);
RETURN_STATUS
SemihostFileOpen (
IN CHAR8 *FileName,
IN UINT32 Mode,
OUT UINTN *FileHandle
);
RETURN_STATUS
SemihostFileSeek (
IN UINTN FileHandle,
IN UINTN Offset
);
RETURN_STATUS
SemihostFileRead (
IN UINTN FileHandle,
IN OUT UINTN *Length,
OUT VOID *Buffer
);
RETURN_STATUS
SemihostFileWrite (
IN UINTN FileHandle,
IN OUT UINTN *Length,
IN VOID *Buffer
);
RETURN_STATUS
SemihostFileClose (
IN UINTN FileHandle
);
RETURN_STATUS
SemihostFileLength (
IN UINTN FileHandle,
OUT UINTN *Length
);
/**
Get a temporary name for a file from the host running the debug agent.
@param[out] Buffer Pointer to the buffer where the temporary name has to
be stored
@param[in] Identifier File name identifier (integer in the range 0 to 255)
@param[in] Length Length of the buffer to store the temporary name
@retval RETURN_SUCCESS Temporary name returned
@retval RETURN_INVALID_PARAMETER Invalid buffer address
@retval RETURN_ABORTED Temporary name not returned
**/
RETURN_STATUS
SemihostFileTmpName(
OUT VOID *Buffer,
IN UINT8 Identifier,
IN UINTN Length
);
RETURN_STATUS
SemihostFileRemove (
IN CHAR8 *FileName
);
/**
Rename a specified file.
@param[in] FileName Name of the file to rename.
@param[in] NewFileName The new name of the file.
@retval RETURN_SUCCESS File Renamed
@retval RETURN_INVALID_PARAMETER Either the current or the new name is not specified
@retval RETURN_ABORTED Rename failed
**/
RETURN_STATUS
SemihostFileRename(
IN CHAR8 *FileName,
IN CHAR8 *NewFileName
);
CHAR8
SemihostReadCharacter (
VOID
);
VOID
SemihostWriteCharacter (
IN CHAR8 Character
);
VOID
SemihostWriteString (
IN CHAR8 *String
);
UINT32
SemihostSystem (
IN CHAR8 *CommandLine
);
#endif // __SEMIHOSTING_H__
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