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-/******************************************************************************
-*
-* Author: Xilinx, Inc.
-*
-*
-* This program is free software; you can redistribute it and/or modify it
-* under the terms of the GNU General Public License as published by the
-* Free Software Foundation; either version 2 of the License, or (at your
-* option) any later version.
-*
-*
-* XILINX IS PROVIDING THIS DESIGN, CODE, OR INFORMATION "AS IS" AS A
-* COURTESY TO YOU. BY PROVIDING THIS DESIGN, CODE, OR INFORMATION AS
-* ONE POSSIBLE IMPLEMENTATION OF THIS FEATURE, APPLICATION OR STANDARD,
-* XILINX IS MAKING NO REPRESENTATION THAT THIS IMPLEMENTATION IS FREE
-* FROM ANY CLAIMS OF INFRINGEMENT, AND YOU ARE RESPONSIBLE FOR OBTAINING
-* ANY THIRD PARTY RIGHTS YOU MAY REQUIRE FOR YOUR IMPLEMENTATION.
-* XILINX EXPRESSLY DISCLAIMS ANY WARRANTY WHATSOEVER WITH RESPECT TO
-* THE ADEQUACY OF THE IMPLEMENTATION, INCLUDING BUT NOT LIMITED TO ANY
-* WARRANTIES OR REPRESENTATIONS THAT THIS IMPLEMENTATION IS FREE FROM
-* CLAIMS OF INFRINGEMENT, IMPLIED WARRANTIES OF MERCHANTABILITY AND
-* FITNESS FOR A PARTICULAR PURPOSE.
-*
-*
-* Xilinx hardware products are not intended for use in life support
-* appliances, devices, or systems. Use in such applications is
-* expressly prohibited.
-*
-*
-* (c) Copyright 2002-2004 Xilinx Inc.
-* All rights reserved.
-*
-*
-* You should have received a copy of the GNU General Public License along
-* with this program; if not, write to the Free Software Foundation, Inc.,
-* 675 Mass Ave, Cambridge, MA 02139, USA.
-*
-******************************************************************************/
-/*****************************************************************************
-*
-* This file contains the implementation of the XVersion component. This
-* component represents a version ID. It is encapsulated within a component
-* so that it's type and implementation can change without affecting users of
-* it.
-*
-* The version is formatted as X.YYZ where X = 0 - 9, Y = 00 - 99, Z = a - z
-* X is the major revision, YY is the minor revision, and Z is the
-* compatability revision.
-*
-* Packed versions are also utilized for the configuration ROM such that
-* memory is minimized. A packed version consumes only 16 bits and is
-* formatted as follows.
-*
-* <pre>
-* Revision Range Bit Positions
-*
-* Major Revision 0 - 9 Bits 15 - 12
-* Minor Revision 0 - 99 Bits 11 - 5
-* Compatability Revision a - z Bits 4 - 0
-</pre>
-*
-******************************************************************************/
-
-/***************************** Include Files *********************************/
-
-#include "xbasic_types.h"
-#include "xversion.h"
-
-/************************** Constant Definitions *****************************/
-
-/* the following constants define the masks and shift values to allow the
- * revisions to be packed and unpacked, a packed version is packed into a 16
- * bit value in the following format, XXXXYYYYYYYZZZZZ, where XXXX is the
- * major revision, YYYYYYY is the minor revision, and ZZZZZ is the compatability
- * revision
- */
-#define XVE_MAJOR_SHIFT_VALUE 12
-#define XVE_MINOR_ONLY_MASK 0x0FE0
-#define XVE_MINOR_SHIFT_VALUE 5
-#define XVE_COMP_ONLY_MASK 0x001F
-
-/* the following constants define the specific characters of a version string
- * for each character of the revision, a version string is in the following
- * format, "X.YYZ" where X is the major revision (0 - 9), YY is the minor
- * revision (00 - 99), and Z is the compatability revision (a - z)
- */
-#define XVE_MAJOR_CHAR 0 /* major revision 0 - 9 */
-#define XVE_MINOR_TENS_CHAR 2 /* minor revision tens 0 - 9 */
-#define XVE_MINOR_ONES_CHAR 3 /* minor revision ones 0 - 9 */
-#define XVE_COMP_CHAR 4 /* compatability revision a - z */
-#define XVE_END_STRING_CHAR 5
-
-/**************************** Type Definitions *******************************/
-
-/***************** Macros (Inline Functions) Definitions *********************/
-
-/************************** Function Prototypes ******************************/
-
-static u32 IsVersionStringValid(s8 * StringPtr);
-
-/*****************************************************************************
-*
-* Unpacks a packed version into the specified version. Versions are packed
-* into the configuration ROM to reduce the amount storage. A packed version
-* is a binary format as oppossed to a non-packed version which is implemented
-* as a string.
-*
-* @param InstancePtr points to the version to unpack the packed version into.
-* @param PackedVersion contains the packed version to unpack.
-*
-* @return
-*
-* None.
-*
-* @note
-*
-* None.
-*
-******************************************************************************/
-void
-XVersion_UnPack(XVersion * InstancePtr, u16 PackedVersion)
-{
- /* not implemented yet since CROM related */
-}
-
-/*****************************************************************************
-*
-* Packs a version into the specified packed version. Versions are packed into
-* the configuration ROM to reduce the amount storage.
-*
-* @param InstancePtr points to the version to pack.
-* @param PackedVersionPtr points to the packed version which will receive
-* the new packed version.
-*
-* @return
-*
-* A status, XST_SUCCESS, indicating the packing was accomplished
-* successfully, or an error, XST_INVALID_VERSION, indicating the specified
-* input version was not valid such that the pack did not occur
-* <br><br>
-* The packed version pointed to by PackedVersionPtr is modified with the new
-* packed version if the status indicates success.
-*
-* @note
-*
-* None.
-*
-******************************************************************************/
-XStatus
-XVersion_Pack(XVersion * InstancePtr, u16 * PackedVersionPtr)
-{
- /* not implemented yet since CROM related */
-
- return XST_SUCCESS;
-}
-
-/*****************************************************************************
-*
-* Determines if two versions are equal.
-*
-* @param InstancePtr points to the first version to be compared.
-* @param VersionPtr points to a second version to be compared.
-*
-* @return
-*
-* TRUE if the versions are equal, FALSE otherwise.
-*
-* @note
-*
-* None.
-*
-******************************************************************************/
-u32
-XVersion_IsEqual(XVersion * InstancePtr, XVersion * VersionPtr)
-{
- u8 *Version1 = (u8 *) InstancePtr;
- u8 *Version2 = (u8 *) VersionPtr;
- int Index;
-
- /* assert to verify input arguments */
-
- XASSERT_NONVOID(InstancePtr != NULL);
- XASSERT_NONVOID(VersionPtr != NULL);
-
- /* check each byte of the versions to see if they are the same,
- * return at any point a byte differs between them
- */
- for (Index = 0; Index < sizeof (XVersion); Index++) {
- if (Version1[Index] != Version2[Index]) {
- return FALSE;
- }
- }
-
- /* No byte was found to be different between the versions, so indicate
- * the versions are equal
- */
- return TRUE;
-}
-
-/*****************************************************************************
-*
-* Converts a version to a null terminated string.
-*
-* @param InstancePtr points to the version to convert.
-* @param StringPtr points to the string which will be the result of the
-* conversion. This does not need to point to a null terminated
-* string as an input, but must point to storage which is an adequate
-* amount to hold the result string.
-*
-* @return
-*
-* The null terminated string is inserted at the location pointed to by
-* StringPtr if the status indicates success.
-*
-* @note
-*
-* It is necessary for the caller to have already allocated the storage to
-* contain the string. The amount of memory necessary for the string is
-* specified in the version header file.
-*
-******************************************************************************/
-void
-XVersion_ToString(XVersion * InstancePtr, s8 * StringPtr)
-{
- /* assert to verify input arguments */
-
- XASSERT_VOID(InstancePtr != NULL);
- XASSERT_VOID(StringPtr != NULL);
-
- /* since version is implemented as a string, just copy the specified
- * input into the specified output
- */
- XVersion_Copy(InstancePtr, (XVersion *) StringPtr);
-}
-
-/*****************************************************************************
-*
-* Initializes a version from a null terminated string. Since the string may not
-* be a format which is compatible with the version, an error could occur.
-*
-* @param InstancePtr points to the version which is to be initialized.
-* @param StringPtr points to a null terminated string which will be
-* converted to a version. The format of the string must match the
-* version string format which is X.YYX where X = 0 - 9, YY = 00 - 99,
-* Z = a - z.
-*
-* @return
-*
-* A status, XST_SUCCESS, indicating the conversion was accomplished
-* successfully, or XST_INVALID_VERSION indicating the version string format
-* was not valid.
-*
-* @note
-*
-* None.
-*
-******************************************************************************/
-XStatus
-XVersion_FromString(XVersion * InstancePtr, s8 * StringPtr)
-{
- /* assert to verify input arguments */
-
- XASSERT_NONVOID(InstancePtr != NULL);
- XASSERT_NONVOID(StringPtr != NULL);
-
- /* if the version string specified is not valid, return an error */
-
- if (!IsVersionStringValid(StringPtr)) {
- return XST_INVALID_VERSION;
- }
-
- /* copy the specified string into the specified version and indicate the
- * conversion was successful
- */
- XVersion_Copy((XVersion *) StringPtr, InstancePtr);
-
- return XST_SUCCESS;
-}
-
-/*****************************************************************************
-*
-* Copies the contents of a version to another version.
-*
-* @param InstancePtr points to the version which is the source of data for
-* the copy operation.
-* @param VersionPtr points to another version which is the destination of
-* the copy operation.
-*
-* @return
-*
-* None.
-*
-* @note
-*
-* None.
-*
-******************************************************************************/
-void
-XVersion_Copy(XVersion * InstancePtr, XVersion * VersionPtr)
-{
- u8 *Source = (u8 *) InstancePtr;
- u8 *Destination = (u8 *) VersionPtr;
- int Index;
-
- /* assert to verify input arguments */
-
- XASSERT_VOID(InstancePtr != NULL);
- XASSERT_VOID(VersionPtr != NULL);
-
- /* copy each byte of the source version to the destination version */
-
- for (Index = 0; Index < sizeof (XVersion); Index++) {
- Destination[Index] = Source[Index];
- }
-}
-
-/*****************************************************************************
-*
-* Determines if the specified version is valid.
-*
-* @param StringPtr points to the string to be validated.
-*
-* @return
-*
-* TRUE if the version string is a valid format, FALSE otherwise.
-*
-* @note
-*
-* None.
-*
-******************************************************************************/
-static u32
-IsVersionStringValid(s8 * StringPtr)
-{
- /* if the input string is not a valid format, "X.YYZ" where X = 0 - 9,
- * YY = 00 - 99, and Z = a - z, then indicate it's not valid
- */
- if ((StringPtr[XVE_MAJOR_CHAR] < '0') ||
- (StringPtr[XVE_MAJOR_CHAR] > '9') ||
- (StringPtr[XVE_MINOR_TENS_CHAR] < '0') ||
- (StringPtr[XVE_MINOR_TENS_CHAR] > '9') ||
- (StringPtr[XVE_MINOR_ONES_CHAR] < '0') ||
- (StringPtr[XVE_MINOR_ONES_CHAR] > '9') ||
- (StringPtr[XVE_COMP_CHAR] < 'a') ||
- (StringPtr[XVE_COMP_CHAR] > 'z')) {
- return FALSE;
- }
-
- return TRUE;
-}