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path: root/drivers/staging/cdv/pvr/tools/intern/debug/dbgdriv/linux/hostfunc.c
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Diffstat (limited to 'drivers/staging/cdv/pvr/tools/intern/debug/dbgdriv/linux/hostfunc.c')
-rw-r--r--drivers/staging/cdv/pvr/tools/intern/debug/dbgdriv/linux/hostfunc.c324
1 files changed, 324 insertions, 0 deletions
diff --git a/drivers/staging/cdv/pvr/tools/intern/debug/dbgdriv/linux/hostfunc.c b/drivers/staging/cdv/pvr/tools/intern/debug/dbgdriv/linux/hostfunc.c
new file mode 100644
index 000000000000..66d328d5647a
--- /dev/null
+++ b/drivers/staging/cdv/pvr/tools/intern/debug/dbgdriv/linux/hostfunc.c
@@ -0,0 +1,324 @@
+/**********************************************************************
+ *
+ * Copyright (C) Imagination Technologies Ltd. All rights reserved.
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms and conditions of the GNU General Public License,
+ * version 2, as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope it will be useful but, except
+ * as otherwise stated in writing, without any warranty; without even the
+ * implied warranty of merchantability or fitness for a particular purpose.
+ * See the GNU General Public License for more details.
+ *
+ * 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.,
+ * 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * The full GNU General Public License is included in this distribution in
+ * the file called "COPYING".
+ *
+ * Contact Information:
+ * Imagination Technologies Ltd. <gpl-support@imgtec.com>
+ * Home Park Estate, Kings Langley, Herts, WD4 8LZ, UK
+ *
+ ******************************************************************************/
+
+#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
+
+#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) == '/') )
+
+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
+
+ 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;
+
+
+ *szBufferLimit = '\0';
+
+ snprintf(szBufferEnd, szBufferLimit - szBufferEnd, "PVR_K:");
+ szBufferEnd += strlen(szBufferEnd);
+
+
+ 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);
+
+
+ if (bTrace == IMG_FALSE)
+ {
+ snprintf(szBufferEnd, szBufferLimit - szBufferEnd,
+ " [%d, %s]", (int)ui32Line, pszFileName);
+ szBufferEnd += strlen(szBufferEnd);
+ }
+
+ printk(KERN_INFO "%s\r\n", szBuffer);
+ }
+}
+#endif
+
+IMG_VOID HostMemSet(IMG_VOID *pvDest, IMG_UINT8 ui8Value, IMG_UINT32 ui32Size)
+{
+ memset(pvDest, (int) ui8Value, (size_t) ui32Size);
+}
+
+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)
+{
+
+ return 0;
+}
+
+IMG_VOID * HostPageablePageAlloc(IMG_UINT32 ui32Pages)
+{
+ return (void*)vmalloc(ui32Pages * PAGE_SIZE);
+}
+
+IMG_VOID HostPageablePageFree(IMG_VOID * pvBase)
+{
+ vfree(pvBase);
+}
+
+IMG_VOID * HostNonPageablePageAlloc(IMG_UINT32 ui32Pages)
+{
+ return (void*)vmalloc(ui32Pages * PAGE_SIZE);
+}
+
+IMG_VOID HostNonPageablePageFree(IMG_VOID * pvBase)
+{
+ vfree(pvBase);
+}
+
+IMG_VOID * HostMapKrnBufIntoUser(IMG_VOID * pvKrnAddr, IMG_UINT32 ui32Size, IMG_VOID **ppvMdl)
+{
+
+ return IMG_NULL;
+}
+
+IMG_VOID HostUnMapKrnBufFromUser(IMG_VOID * pvUserAddr, IMG_VOID * pvMdl, IMG_VOID * pvProcess)
+{
+
+}
+
+IMG_VOID HostCreateRegDeclStreams(IMG_VOID)
+{
+
+}
+
+#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:
+
+ wait_event_interruptible_timeout(sStreamDataEvent, iStreamData != 0, EVENT_WAIT_TIMEOUT_JIFFIES);
+ iStreamData = 0;
+ break;
+ default:
+
+ 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