ArmPkg/SemihostLib: Add library functions

Add library functions to rename a file and get a temporary name
for a file through the semi-hosting interface.

Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Ronald Cron <ronald.cron@arm.com>
Reviewed-By: Olivier Martin <olivier.martin@arm.com>



git-svn-id: https://svn.code.sf.net/p/edk2/code/trunk/edk2@16238 6f19259b-4bc3-4df7-8a09-765794883524
This commit is contained in:
Ronald Cron
2014-10-27 10:38:18 +00:00
committed by oliviermartin
parent c20f8ec661
commit 5521b5cc73
3 changed files with 148 additions and 0 deletions

View File

@@ -172,6 +172,46 @@ SemihostFileLength (
}
}
/**
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
)
{
SEMIHOST_FILE_TMPNAME_BLOCK TmpNameBlock;
INT32 Result;
if (Buffer == NULL) {
return RETURN_INVALID_PARAMETER;
}
TmpNameBlock.Buffer = Buffer;
TmpNameBlock.Identifier = Identifier;
TmpNameBlock.Length = Length;
Result = Semihost_SYS_TMPNAME (&TmpNameBlock);
if (Result != 0) {
return RETURN_ABORTED;
} else {
return RETURN_SUCCESS;
}
}
RETURN_STATUS
SemihostFileRemove (
IN CHAR8 *FileName
@@ -197,6 +237,44 @@ SemihostFileRemove (
}
}
/**
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
)
{
SEMIHOST_FILE_RENAME_BLOCK RenameBlock;
INT32 Result;
if ((FileName == NULL) || (NewFileName == NULL)) {
return RETURN_INVALID_PARAMETER;
}
RenameBlock.FileName = FileName;
RenameBlock.FileNameLength = AsciiStrLen (FileName);
RenameBlock.NewFileName = NewFileName;
RenameBlock.NewFileNameLength = AsciiStrLen (NewFileName);
Result = Semihost_SYS_RENAME (&RenameBlock);
if (Result != 0) {
return RETURN_ABORTED;
} else {
return RETURN_SUCCESS;
}
}
CHAR8
SemihostReadCharacter (
VOID