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sources from http://omapzoom.org

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diff --git a/pvr-source/services4/srvkm/include/srvkm.h b/pvr-source/services4/srvkm/include/srvkm.h
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+/*************************************************************************/ /*!
+@Title          Services kernel module internal header file
+@Copyright      Copyright (c) Imagination Technologies Ltd. All Rights Reserved
+@License        Dual MIT/GPLv2
+
+The contents of this file are subject to the MIT license as set out below.
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+
+Alternatively, the contents of this file may be used under the terms of
+the GNU General Public License Version 2 ("GPL") in which case the provisions
+of GPL are applicable instead of those above.
+
+If you wish to allow use of your version of this file only under the terms of
+GPL, and not to allow others to use your version of this file under the terms
+of the MIT license, indicate your decision by deleting the provisions above
+and replace them with the notice and other provisions required by GPL as set
+out in the file called "GPL-COPYING" included in this distribution. If you do
+not delete the provisions above, a recipient may use your version of this file
+under the terms of either the MIT license or GPL.
+
+This License is also included in this distribution in the file called
+"MIT-COPYING".
+
+EXCEPT AS OTHERWISE STATED IN A NEGOTIATED AGREEMENT: (A) THE SOFTWARE IS
+PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING
+BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR
+PURPOSE AND NONINFRINGEMENT; AND (B) IN NO EVENT SHALL THE AUTHORS OR
+COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
+IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+*/ /**************************************************************************/
+
+#ifndef SRVKM_H
+#define SRVKM_H
+
+
+#if defined(__cplusplus)
+extern "C" {
+#endif
+
+	/**	Use PVR_DPF() unless message is necessary in release build
+	 */
+	#ifdef PVR_DISABLE_LOGGING
+	#define PVR_LOG(X)
+	#else
+	/* PRQA S 3410 1 */ /* this macro requires no brackets in order to work */
+	#define PVR_LOG(X)			PVRSRVReleasePrintf X;
+	#endif
+
+	IMG_IMPORT IMG_VOID IMG_CALLCONV PVRSRVReleasePrintf(const IMG_CHAR *pszFormat, ...) IMG_FORMAT_PRINTF(1, 2);
+
+	IMG_IMPORT PVRSRV_ERROR IMG_CALLCONV PVRSRVProcessConnect(IMG_UINT32	ui32PID, IMG_UINT32 ui32Flags);
+	IMG_IMPORT IMG_VOID IMG_CALLCONV PVRSRVProcessDisconnect(IMG_UINT32	ui32PID);
+
+	IMG_IMPORT IMG_VOID PVRSRVScheduleDevicesKM(IMG_VOID);
+
+	IMG_VOID IMG_CALLCONV PVRSRVSetDCState(IMG_UINT32 ui32State);
+
+	PVRSRV_ERROR IMG_CALLCONV PVRSRVSaveRestoreLiveSegments(IMG_HANDLE hArena, IMG_PBYTE pbyBuffer, IMG_SIZE_T *puiBufSize, IMG_BOOL bSave);
+
+	IMG_VOID PVRSRVScheduleDeviceCallbacks(IMG_VOID);
+
+
+#if defined (__cplusplus)
+}
+#endif
+
+/******************
+HIGHER LEVEL MACROS
+*******************/
+
+/*----------------------------------------------------------------------------
+Repeats the body of the loop for a certain minimum time, or until the body
+exits by its own means (break, return, goto, etc.)
+
+Example of usage:
+
+LOOP_UNTIL_TIMEOUT(MAX_HW_TIME_US)
+{
+	if(psQueueInfo->ui32ReadOffset == psQueueInfo->ui32WriteOffset)
+	{
+		bTimeout = IMG_FALSE;
+		break;
+	}
+	
+	OSWaitus(MAX_HW_TIME_US/WAIT_TRY_COUNT);
+} END_LOOP_UNTIL_TIMEOUT();
+
+-----------------------------------------------------------------------------*/
+
+/*	uiNotLastLoop will remain at 1 until the timeout has expired, at which time		
+ * 	it will be decremented and the loop executed one final time. This is necessary
+ *	when preemption is enabled. 
+ */
+/* PRQA S 3411,3431 12 */ /* critical format, leave alone */
+#define LOOP_UNTIL_TIMEOUT(TIMEOUT) \
+{\
+	IMG_UINT32 uiOffset, uiStart, uiCurrent; \
+	IMG_INT32 iNotLastLoop;					 \
+	for(uiOffset = 0, uiStart = OSClockus(), uiCurrent = uiStart + 1, iNotLastLoop = 1;\
+		((uiCurrent - uiStart + uiOffset) < (TIMEOUT)) || iNotLastLoop--;				\
+		uiCurrent = OSClockus(),													\
+		uiOffset = uiCurrent < uiStart ? IMG_UINT32_MAX - uiStart : uiOffset,		\
+		uiStart = uiCurrent < uiStart ? 0 : uiStart)
+
+#define END_LOOP_UNTIL_TIMEOUT() \
+}
+
+/*!
+ ******************************************************************************
+
+ @Function		PVRSRVGetErrorStringKM
+
+ @Description	Returns a text string relating to the PVRSRV_ERROR enum.
+
+ ******************************************************************************/
+IMG_IMPORT
+const IMG_CHAR *PVRSRVGetErrorStringKM(PVRSRV_ERROR eError);
+
+#endif /* SRVKM_H */