1 files changed, 395 insertions, 0 deletions
diff --git a/pvr-source/tools/intern/debug/dbgdriv/linux/hostfunc.c b/pvr-source/tools/intern/debug/dbgdriv/linux/hostfunc.c
new file mode 100644
index 0000000..5d5e9ef
--- /dev/null
+++ b/pvr-source/tools/intern/debug/dbgdriv/linux/hostfunc.c
@@ -0,0 +1,395 @@
+/*************************************************************************/ /*!
+@Title          Debug driver 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.
+*/ /**************************************************************************/
+#include <linux/version.h>
+#include <linux/errno.h>
+#include <linux/module.h>
+#include <linux/fs.h>
+#include <linux/kernel.h>
+#include <linux/slab.h>
+#include <linux/mm.h>
+#include <linux/string.h>
+#include <asm/page.h>
+#include <linux/vmalloc.h>
+#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,15))
+#include <linux/mutex.h>
+#else
+#include <asm/semaphore.h>
+#endif
+#include <linux/hardirq.h>
+
+#if defined(SUPPORT_DBGDRV_EVENT_OBJECTS)
+#include <linux/sched.h>
+#include <linux/wait.h>
+#include <linux/jiffies.h>
+#include <linux/delay.h>
+#endif	/* defined(SUPPORT_DBGDRV_EVENT_OBJECTS) */
+
+#include "img_types.h"
+#include "pvr_debug.h"
+
+#include "dbgdrvif.h"
+#include "hostfunc.h"
+#include "dbgdriv.h"
+
+#if defined(MODULE) && defined(DEBUG) && !defined(SUPPORT_DRI_DRM)
+IMG_UINT32	gPVRDebugLevel = (DBGPRIV_FATAL | DBGPRIV_ERROR | DBGPRIV_WARNING);
+
+#define PVR_STRING_TERMINATOR		'\0'
+#define PVR_IS_FILE_SEPARATOR(character) ( ((character) == '\\') || ((character) == '/') )
+
+/******************************************************************************/
+
+
+/*!
+******************************************************************************
+
+ @Function     PVRSRVDebugPrintf
+	
+ @Description  To output a debug message to the user
+
+ @Input uDebugLevel: The current debug level
+ @Input pszFile:     The source file generating the message
+ @Input uLine:       The line of the source file
+ @Input pszFormat:   The message format string
+ @Input ...:         Zero or more arguments for use by the format string
+
+ @Return none
+******************************************************************************/
+void PVRSRVDebugPrintf	(
+						IMG_UINT32	ui32DebugLevel,
+						const IMG_CHAR*	pszFileName,
+						IMG_UINT32	ui32Line,
+						const IMG_CHAR*	pszFormat,
+						...
+					)
+{
+	IMG_BOOL bTrace;
+#if !defined(__sh__)
+	IMG_CHAR *pszLeafName;
+
+	pszLeafName = (char *)strrchr (pszFileName, '\\');
+
+	if (pszLeafName)
+	{
+		pszFileName = pszLeafName;
+	}
+#endif /* __sh__ */
+
+	bTrace = (IMG_BOOL)(ui32DebugLevel & DBGPRIV_CALLTRACE) ? IMG_TRUE : IMG_FALSE;
+
+	if (gPVRDebugLevel & ui32DebugLevel)
+	{
+		va_list vaArgs;
+		char szBuffer[256];
+		char *szBufferEnd = szBuffer;
+		char *szBufferLimit = szBuffer + sizeof(szBuffer) - 1;
+
+		/* The Limit - End pointer arithmetic we're doing in snprintf
+		   ensures that our buffer remains null terminated from this */
+		*szBufferLimit = '\0';
+
+		snprintf(szBufferEnd, szBufferLimit - szBufferEnd, "PVR_K:");
+		szBufferEnd += strlen(szBufferEnd);
+
+		/* Add in the level of warning */
+		if (bTrace == IMG_FALSE)
+		{
+			switch(ui32DebugLevel)
+			{
+				case DBGPRIV_FATAL:
+				{
+					snprintf(szBufferEnd, szBufferLimit - szBufferEnd, "(Fatal):");
+					break;
+				}
+				case DBGPRIV_ERROR:
+				{
+					snprintf(szBufferEnd, szBufferLimit - szBufferEnd, "(Error):");
+					break;
+				}
+				case DBGPRIV_WARNING:
+				{
+					snprintf(szBufferEnd, szBufferLimit - szBufferEnd, "(Warning):");
+					break;
+				}
+				case DBGPRIV_MESSAGE:
+				{
+					snprintf(szBufferEnd, szBufferLimit - szBufferEnd, "(Message):");
+					break;
+				}
+				case DBGPRIV_VERBOSE:
+				{
+					snprintf(szBufferEnd, szBufferLimit - szBufferEnd, "(Verbose):");
+					break;
+				}
+				default:
+				{
+					snprintf(szBufferEnd, szBufferLimit - szBufferEnd, "(Unknown message level)");
+					break;
+				}
+			}
+			szBufferEnd += strlen(szBufferEnd);
+		}
+		snprintf(szBufferEnd, szBufferLimit - szBufferEnd, " ");
+		szBufferEnd += strlen(szBufferEnd);
+
+		va_start (vaArgs, pszFormat);
+		vsnprintf(szBufferEnd, szBufferLimit - szBufferEnd, pszFormat, vaArgs);
+		va_end (vaArgs);
+		szBufferEnd += strlen(szBufferEnd);
+
+ 		/*
+ 		 * Metrics and Traces don't need a location
+ 		 */
+ 		if (bTrace == IMG_FALSE)
+		{
+			snprintf(szBufferEnd, szBufferLimit - szBufferEnd, 
+			         " [%d, %s]", (int)ui32Line, pszFileName);
+			szBufferEnd += strlen(szBufferEnd);
+		}
+
+		printk(KERN_INFO "%s\r\n", szBuffer);
+	}
+}
+#endif	/* defined(DEBUG) && !defined(SUPPORT_DRI_DRM) */
+
+/*!
+******************************************************************************
+
+ @Function	HostMemSet
+
+ @Description Function that does the same as the C memset() function
+
+ @Modified *pvDest :	pointer to start of buffer to be set
+
+ @Input    ui8Value:	value to set each byte to
+
+ @Input    ui32Size :	number of bytes to set
+
+ @Return   IMG_VOID
+
+******************************************************************************/
+IMG_VOID HostMemSet(IMG_VOID *pvDest, IMG_UINT8 ui8Value, IMG_UINT32 ui32Size)
+{
+	memset(pvDest, (int) ui8Value, (size_t) ui32Size);
+}
+
+/*!
+******************************************************************************
+
+ @Function		HostMemCopy
+
+ @Description	Function that does the same as the C memscpy() function
+
+ @Input    pvDst - pointer to dst
+ @Output   pvSrc - pointer to src
+ @Input    ui32Size - bytes to copy
+
+ @Return  none
+
+******************************************************************************/
+IMG_VOID HostMemCopy(IMG_VOID *pvDst, IMG_VOID *pvSrc, IMG_UINT32 ui32Size)
+{
+#if defined(USE_UNOPTIMISED_MEMCPY)
+    unsigned char *src,*dst;
+    int i;
+
+    src=(unsigned char *)pvSrc;
+    dst=(unsigned char *)pvDst;
+    for(i=0;i<ui32Size;i++)
+    {
+        dst[i]=src[i];
+    }
+#else
+    memcpy(pvDst, pvSrc, ui32Size);
+#endif
+}
+
+IMG_UINT32 HostReadRegistryDWORDFromString(char *pcKey, char *pcValueName, IMG_UINT32 *pui32Data)
+{
+    /* FIXME: Not yet implemented */
+	return 0;
+}
+
+IMG_VOID * HostPageablePageAlloc(IMG_UINT32 ui32Pages)
+{
+    return (void*)vmalloc(ui32Pages * PAGE_SIZE);/*, GFP_KERNEL);*/
+}
+
+IMG_VOID HostPageablePageFree(IMG_VOID * pvBase)
+{
+    vfree(pvBase);
+}
+
+IMG_VOID * HostNonPageablePageAlloc(IMG_UINT32 ui32Pages)
+{
+    return (void*)vmalloc(ui32Pages * PAGE_SIZE);/*, GFP_KERNEL);*/
+}
+
+IMG_VOID HostNonPageablePageFree(IMG_VOID * pvBase)
+{
+    vfree(pvBase);
+}
+
+IMG_VOID * HostMapKrnBufIntoUser(IMG_VOID * pvKrnAddr, IMG_UINT32 ui32Size, IMG_VOID **ppvMdl)
+{
+    /* FIXME: Not yet implemented */
+	return IMG_NULL;
+}
+
+IMG_VOID HostUnMapKrnBufFromUser(IMG_VOID * pvUserAddr, IMG_VOID * pvMdl, IMG_VOID * pvProcess)
+{
+    /* FIXME: Not yet implemented */
+}
+
+IMG_VOID HostCreateRegDeclStreams(IMG_VOID)
+{
+    /* FIXME: Not yet implemented */
+}
+
+#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,37))
+typedef	struct mutex		MUTEX;
+#define	INIT_MUTEX(m)		mutex_init(m)
+#define	DOWN_TRYLOCK(m)		(!mutex_trylock(m))
+#define	DOWN(m)			mutex_lock(m)
+#define UP(m)			mutex_unlock(m)
+#else
+typedef	struct semaphore	MUTEX;
+#define	INIT_MUTEX(m)		init_MUTEX(m)
+#define	DOWN_TRYLOCK(m)		down_trylock(m)
+#define	DOWN(m)			down(m)
+#define UP(m)			up(m)
+#endif
+
+IMG_VOID *HostCreateMutex(IMG_VOID)
+{
+	MUTEX *psMutex;
+
+	psMutex = kmalloc(sizeof(*psMutex), GFP_KERNEL);
+	if (psMutex)
+	{
+		INIT_MUTEX(psMutex);
+	}
+
+	return psMutex;
+}
+
+IMG_VOID HostAquireMutex(IMG_VOID * pvMutex)
+{
+	BUG_ON(in_interrupt());
+
+#if defined(PVR_DEBUG_DBGDRV_DETECT_HOST_MUTEX_COLLISIONS)
+	if (DOWN_TRYLOCK((MUTEX *)pvMutex))
+	{
+		printk(KERN_INFO "HostAquireMutex: Waiting for mutex\n");
+		DOWN((MUTEX *)pvMutex);
+	}
+#else
+	DOWN((MUTEX *)pvMutex);
+#endif
+}
+
+IMG_VOID HostReleaseMutex(IMG_VOID * pvMutex)
+{
+	UP((MUTEX *)pvMutex);
+}
+
+IMG_VOID HostDestroyMutex(IMG_VOID * pvMutex)
+{
+	if (pvMutex)
+	{
+		kfree(pvMutex);
+	}
+}
+
+#if defined(SUPPORT_DBGDRV_EVENT_OBJECTS)
+
+#define	EVENT_WAIT_TIMEOUT_MS	500
+#define	EVENT_WAIT_TIMEOUT_JIFFIES	(EVENT_WAIT_TIMEOUT_MS * HZ / 1000)
+
+static int iStreamData;
+static wait_queue_head_t sStreamDataEvent;
+
+IMG_INT32 HostCreateEventObjects(IMG_VOID)
+{
+	init_waitqueue_head(&sStreamDataEvent);
+
+	return 0;
+}
+
+IMG_VOID HostWaitForEvent(DBG_EVENT eEvent)
+{
+	switch(eEvent)
+	{
+		case DBG_EVENT_STREAM_DATA:
+			/*
+			 * More than one process may be woken up.
+			 * Any process that wakes up should consume
+			 * all the data from the streams.
+			 */
+			wait_event_interruptible_timeout(sStreamDataEvent, iStreamData != 0, EVENT_WAIT_TIMEOUT_JIFFIES);
+			iStreamData = 0;
+			break;
+		default:
+			/*
+			 * For unknown events, enter an interruptible sleep.
+			 */
+			msleep_interruptible(EVENT_WAIT_TIMEOUT_MS);
+			break;
+	}
+}
+
+IMG_VOID HostSignalEvent(DBG_EVENT eEvent)
+{
+	switch(eEvent)
+	{
+		case DBG_EVENT_STREAM_DATA:
+			iStreamData = 1;
+			wake_up_interruptible(&sStreamDataEvent);
+			break;
+		default:
+			break;
+	}
+}
+
+IMG_VOID HostDestroyEventObjects(IMG_VOID)
+{
+}
+#endif	/* defined(SUPPORT_DBGDRV_EVENT_OBJECTS) */