2c8f92039d
Added initial support Xilinx Embedded Software. Signed-off-by: Jagannadha Sutradharudu Teki <jaganna@xilinx.com>
133 lines
4.3 KiB
C
Executable file
133 lines
4.3 KiB
C
Executable file
/******************************************************************************
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*
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* Copyright (C) 2007 - 2014 Xilinx, Inc. All rights reserved.
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to deal
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* in the Software without restriction, including without limitation the rights
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* Use of the Software is limited solely to applications:
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* (a) running on a Xilinx device, or
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* (b) that interact with a Xilinx device through a bus or interconnect.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* XILINX CONSORTIUM BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
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* WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF
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* OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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* SOFTWARE.
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*
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* Except as contained in this notice, the name of the Xilinx shall not be used
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* in advertising or otherwise to promote the sale, use or other dealings in
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* this Software without prior written authorization from Xilinx.
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*
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******************************************************************************/
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/*****************************************************************************/
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/**
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*
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* @file xmutex_selftest.c
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*
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* Contains XMutex driver selftest code.
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*
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* <pre>
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* MODIFICATION HISTORY:
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*
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* Ver Who Date Changes
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* ----- ---- -------- -----------------------------------------------
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* 1.00a va First release
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* 1.00a ecm 06/01/07 Cleanup, new coding standard, check into XCS
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* 3.00a hbm 10/15/09 Migrated to HAL phase 1 to use xil_io, xil_types,
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* and xil_assert.
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* </pre>
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*
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******************************************************************************/
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/***************************** Include Files *********************************/
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#include "xstatus.h"
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#include "xmutex.h"
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#include "xparameters.h"
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#include "xil_types.h"
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/************************** Constant Definitions *****************************/
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/**************************** Type Definitions *******************************/
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/***************** Macros (Inline Functions) Definitions *********************/
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/************************** Function Prototypes ******************************/
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/************************** Variable Definitions *****************************/
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/*****************************************************************************/
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/**
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*
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* Selftest a particular Mutex hardware core.
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*
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* @param InstancePtr is a pointer to the XMutex instance to be worked on.
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*
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* @return
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* - XST_SUCCESS if test was successful.
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* - XST_FAILURE if test was not successful.
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*
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* @note
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*
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* This test is destructive. It will fail if the Mutex is currently being used.
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* This is also a blocking call, if there is another process which has the
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* Mutex, the first _lock will hand the test until the other process releases
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* it.
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*
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******************************************************************************/
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int XMutex_SelfTest(XMutex *InstancePtr)
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{
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int Status;
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u32 Locked;
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u32 Owner;
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u32 Index;
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for (Index = 0; Index < InstancePtr->Config.NumMutex; Index++) {
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/* Lock Mutex blocking call*/
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XMutex_Lock(InstancePtr, Index);
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/* Get Status and verify if Status matches */
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XMutex_GetStatus(InstancePtr, Index, &Locked, &Owner);
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if (Owner != XPAR_CPU_ID) {
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return XST_FAILURE;
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}
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if (Locked != LOCKED_BIT) {
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return XST_FAILURE;
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}
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/* Verify that the Mutex is locked */
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if (XMutex_IsLocked(InstancePtr, Index) != TRUE) {
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return XST_FAILURE;
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}
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/* Unlock Mutex */
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Status = XMutex_Unlock(InstancePtr, Index);
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if (Status != XST_SUCCESS) {
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return Status;
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}
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/* Get Status and verify if Status matches */
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XMutex_GetStatus(InstancePtr, Index, &Locked, &Owner);
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if (Owner != 0) {
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return XST_FAILURE;
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}
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if (Locked != 0) {
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return XST_FAILURE;
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}
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}
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return XST_SUCCESS;
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}
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