diff options
Diffstat (limited to 'cpu/ixp/npe/IxOsalOsSemaphore.c')
| -rw-r--r-- | cpu/ixp/npe/IxOsalOsSemaphore.c | 233 |
1 files changed, 0 insertions, 233 deletions
diff --git a/cpu/ixp/npe/IxOsalOsSemaphore.c b/cpu/ixp/npe/IxOsalOsSemaphore.c deleted file mode 100644 index 443aefd..0000000 --- a/cpu/ixp/npe/IxOsalOsSemaphore.c +++ /dev/null @@ -1,233 +0,0 @@ -/** - * @file IxOsalOsSemaphore.c (eCos) - * - * @brief Implementation for semaphore and mutex. - * - * - * @par - * IXP400 SW Release version 1.5 - * - * -- Copyright Notice -- - * - * @par - * Copyright 2001-2005, Intel Corporation. - * All rights reserved. - * - * @par - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in the - * documentation and/or other materials provided with the distribution. - * 3. Neither the name of the Intel Corporation nor the names of its contributors - * may be used to endorse or promote products derived from this software - * without specific prior written permission. - * - * @par - * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS ``AS IS'' - * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE - * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE - * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE - * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL - * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS - * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) - * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT - * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY - * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF - * SUCH DAMAGE. - * - * @par - * -- End of Copyright Notice -- - */ - -#include "IxOsal.h" -#include "IxNpeMhReceive_p.h" - -/* Define a large number */ -#define IX_OSAL_MAX_LONG (0x7FFFFFFF) - -/* Max timeout in MS, used to guard against possible overflow */ -#define IX_OSAL_MAX_TIMEOUT_MS (IX_OSAL_MAX_LONG/HZ) - - -PUBLIC IX_STATUS -ixOsalSemaphoreInit (IxOsalSemaphore * sid, UINT32 start_value) -{ - diag_printf("%s called\n", __FUNCTION__); - return IX_SUCCESS; -} - -/** - * DESCRIPTION: If the semaphore is 'empty', the calling thread is blocked. - * If the semaphore is 'full', it is taken and control is returned - * to the caller. If the time indicated in 'timeout' is reached, - * the thread will unblock and return an error indication. If the - * timeout is set to 'IX_OSAL_WAIT_NONE', the thread will never block; - * if it is set to 'IX_OSAL_WAIT_FOREVER', the thread will block until - * the semaphore is available. - * - * - */ - - -PUBLIC IX_STATUS -ixOsalSemaphoreWait (IxOsalOsSemaphore * sid, INT32 timeout) -{ - diag_printf("%s called\n", __FUNCTION__); - return IX_SUCCESS; -} - -/* - * Attempt to get semaphore, return immediately, - * no error info because users expect some failures - * when using this API. - */ -PUBLIC IX_STATUS -ixOsalSemaphoreTryWait (IxOsalSemaphore * sid) -{ - diag_printf("%s called\n", __FUNCTION__); - return IX_FAIL; -} - -/** - * - * DESCRIPTION: This function causes the next available thread in the pend queue - * to be unblocked. If no thread is pending on this semaphore, the - * semaphore becomes 'full'. - */ -PUBLIC IX_STATUS -ixOsalSemaphorePost (IxOsalSemaphore * sid) -{ - diag_printf("%s called\n", __FUNCTION__); - return IX_SUCCESS; -} - -PUBLIC IX_STATUS -ixOsalSemaphoreGetValue (IxOsalSemaphore * sid, UINT32 * value) -{ - diag_printf("%s called\n", __FUNCTION__); - return IX_FAIL; -} - -PUBLIC IX_STATUS -ixOsalSemaphoreDestroy (IxOsalSemaphore * sid) -{ - diag_printf("%s called\n", __FUNCTION__); - return IX_FAIL; -} - -/**************************** - * Mutex - ****************************/ - -static void drv_mutex_init(IxOsalMutex *mutex) -{ - *mutex = 0; -} - -static void drv_mutex_destroy(IxOsalMutex *mutex) -{ - *mutex = -1; -} - -static int drv_mutex_trylock(IxOsalMutex *mutex) -{ - int result = TRUE; - - if (*mutex == 1) - result = FALSE; - - return result; -} - -static void drv_mutex_unlock(IxOsalMutex *mutex) -{ - if (*mutex == 1) - printf("Trying to unlock unlocked mutex!"); - - *mutex = 0; -} - -PUBLIC IX_STATUS -ixOsalMutexInit (IxOsalMutex * mutex) -{ - drv_mutex_init(mutex); - return IX_SUCCESS; -} - -PUBLIC IX_STATUS -ixOsalMutexLock (IxOsalMutex * mutex, INT32 timeout) -{ - int tries; - - if (timeout == IX_OSAL_WAIT_NONE) { - if (drv_mutex_trylock(mutex)) - return IX_SUCCESS; - else - return IX_FAIL; - } - - tries = (timeout * 1000) / 50; - while (1) { - if (drv_mutex_trylock(mutex)) - return IX_SUCCESS; - if (timeout != IX_OSAL_WAIT_FOREVER && tries-- <= 0) - break; - udelay(50); - } - return IX_FAIL; -} - -PUBLIC IX_STATUS -ixOsalMutexUnlock (IxOsalMutex * mutex) -{ - drv_mutex_unlock(mutex); - return IX_SUCCESS; -} - -/* - * Attempt to get mutex, return immediately, - * no error info because users expect some failures - * when using this API. - */ -PUBLIC IX_STATUS -ixOsalMutexTryLock (IxOsalMutex * mutex) -{ - if (drv_mutex_trylock(mutex)) - return IX_SUCCESS; - return IX_FAIL; -} - -PUBLIC IX_STATUS -ixOsalMutexDestroy (IxOsalMutex * mutex) -{ - drv_mutex_destroy(mutex); - return IX_SUCCESS; -} - -PUBLIC IX_STATUS -ixOsalFastMutexInit (IxOsalFastMutex * mutex) -{ - return ixOsalMutexInit(mutex); -} - -PUBLIC IX_STATUS ixOsalFastMutexTryLock(IxOsalFastMutex *mutex) -{ - return ixOsalMutexTryLock(mutex); -} - - -PUBLIC IX_STATUS -ixOsalFastMutexUnlock (IxOsalFastMutex * mutex) -{ - return ixOsalMutexUnlock(mutex); -} - -PUBLIC IX_STATUS -ixOsalFastMutexDestroy (IxOsalFastMutex * mutex) -{ - return ixOsalMutexDestroy(mutex); -} |