summaryrefslogtreecommitdiffstats
path: root/pvr-source/tools/intern/debug/dbgdriv/linux
diff options
context:
space:
mode:
Diffstat (limited to 'pvr-source/tools/intern/debug/dbgdriv/linux')
-rw-r--r--pvr-source/tools/intern/debug/dbgdriv/linux/hostfunc.c395
-rw-r--r--pvr-source/tools/intern/debug/dbgdriv/linux/main.c355
2 files changed, 750 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) */
diff --git a/pvr-source/tools/intern/debug/dbgdriv/linux/main.c b/pvr-source/tools/intern/debug/dbgdriv/linux/main.c
new file mode 100644
index 0000000..c1ca85b
--- /dev/null
+++ b/pvr-source/tools/intern/debug/dbgdriv/linux/main.c
@@ -0,0 +1,355 @@
+/*************************************************************************/ /*!
+@Title Debug driver main 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/errno.h>
+#include <linux/module.h>
+#include <linux/fs.h>
+#include <linux/kernel.h>
+#include <linux/kdev_t.h>
+#include <linux/pci.h>
+#include <linux/list.h>
+#include <linux/init.h>
+#include <linux/vmalloc.h>
+#include <linux/version.h>
+
+#if defined(LDM_PLATFORM) && !defined(SUPPORT_DRI_DRM)
+#include <linux/platform_device.h>
+#endif
+
+#if defined(LDM_PCI) && !defined(SUPPORT_DRI_DRM)
+#include <linux/pci.h>
+#endif
+
+#include <asm/uaccess.h>
+
+#if defined(SUPPORT_DRI_DRM)
+#include "drmP.h"
+#include "drm.h"
+#endif
+
+#include "img_types.h"
+#include "linuxsrv.h"
+#include "dbgdriv_ioctl.h"
+#include "dbgdrvif.h"
+#include "dbgdriv.h"
+#include "hostfunc.h"
+#include "hotkey.h"
+#include "pvr_debug.h"
+#include "pvrmodule.h"
+#include "pvr_uaccess.h"
+
+#if defined(SUPPORT_DRI_DRM)
+
+#include "pvr_drm_shared.h"
+#include "pvr_drm.h"
+
+#else /* defined(SUPPORT_DRI_DRM) */
+
+#define DRVNAME "dbgdrv"
+MODULE_SUPPORTED_DEVICE(DRVNAME);
+
+#if (defined(LDM_PLATFORM) || defined(LDM_PCI)) && !defined(SUPPORT_DRI_DRM)
+static struct class *psDbgDrvClass;
+#endif
+
+static int AssignedMajorNumber = 0;
+
+long dbgdrv_ioctl(struct file *, unsigned int, unsigned long);
+
+static int dbgdrv_open(struct inode unref__ * pInode, struct file unref__ * pFile)
+{
+ return 0;
+}
+
+static int dbgdrv_release(struct inode unref__ * pInode, struct file unref__ * pFile)
+{
+ return 0;
+}
+
+static int dbgdrv_mmap(struct file* pFile, struct vm_area_struct* ps_vma)
+{
+ return 0;
+}
+
+static struct file_operations dbgdrv_fops = {
+ .owner = THIS_MODULE,
+ .unlocked_ioctl = dbgdrv_ioctl,
+ .open = dbgdrv_open,
+ .release = dbgdrv_release,
+ .mmap = dbgdrv_mmap,
+};
+
+#endif /* defined(SUPPORT_DRI_DRM) */
+
+IMG_VOID DBGDrvGetServiceTable(DBGKM_SERVICE_TABLE **fn_table)
+{
+ extern DBGKM_SERVICE_TABLE g_sDBGKMServices;
+
+ *fn_table = &g_sDBGKMServices;
+}
+
+#if defined(SUPPORT_DRI_DRM)
+void dbgdrv_cleanup(void)
+#else
+static void __exit dbgdrv_cleanup(void)
+#endif
+{
+#if !defined(SUPPORT_DRI_DRM)
+#if defined(LDM_PLATFORM) || defined(LDM_PCI)
+ device_destroy(psDbgDrvClass, MKDEV(AssignedMajorNumber, 0));
+ class_destroy(psDbgDrvClass);
+#endif
+ unregister_chrdev(AssignedMajorNumber, DRVNAME);
+#endif /* !defined(SUPPORT_DRI_DRM) */
+#if defined(SUPPORT_DBGDRV_EVENT_OBJECTS)
+ HostDestroyEventObjects();
+#endif
+ HostDestroyMutex(g_pvAPIMutex);
+ return;
+}
+
+#if defined(SUPPORT_DRI_DRM)
+IMG_INT dbgdrv_init(void)
+#else
+static int __init dbgdrv_init(void)
+#endif
+{
+#if (defined(LDM_PLATFORM) || defined(LDM_PCI)) && !defined(SUPPORT_DRI_DRM)
+ struct device *psDev;
+#endif
+
+#if !defined(SUPPORT_DRI_DRM)
+ int err = -EBUSY;
+#endif
+
+ /* Init API mutex */
+ if ((g_pvAPIMutex=HostCreateMutex()) == IMG_NULL)
+ {
+ return -ENOMEM;
+ }
+
+#if defined(SUPPORT_DBGDRV_EVENT_OBJECTS)
+ /*
+ * The current implementation of HostCreateEventObjects on Linux
+ * can never fail, so there is no need to check for error.
+ */
+ (void) HostCreateEventObjects();
+#endif
+
+#if !defined(SUPPORT_DRI_DRM)
+ AssignedMajorNumber =
+ register_chrdev(AssignedMajorNumber, DRVNAME, &dbgdrv_fops);
+
+ if (AssignedMajorNumber <= 0)
+ {
+ PVR_DPF((PVR_DBG_ERROR," unable to get major\n"));
+ goto ErrDestroyEventObjects;
+ }
+
+#if defined(LDM_PLATFORM) || defined(LDM_PCI)
+ /*
+ * This code (using GPL symbols) facilitates automatic device
+ * node creation on platforms with udev (or similar).
+ */
+ psDbgDrvClass = class_create(THIS_MODULE, DRVNAME);
+ if (IS_ERR(psDbgDrvClass))
+ {
+ PVR_DPF((PVR_DBG_ERROR, "%s: unable to create class (%ld)",
+ __func__, PTR_ERR(psDbgDrvClass)));
+ goto ErrUnregisterCharDev;
+ }
+
+ psDev = device_create(psDbgDrvClass, NULL, MKDEV(AssignedMajorNumber, 0),
+#if (LINUX_VERSION_CODE > KERNEL_VERSION(2,6,26))
+ NULL,
+#endif
+ DRVNAME);
+ if (IS_ERR(psDev))
+ {
+ PVR_DPF((PVR_DBG_ERROR, "%s: unable to create device (%ld)",
+ __func__, PTR_ERR(psDev)));
+ goto ErrDestroyClass;
+ }
+#endif /* defined(LDM_PLATFORM) || defined(LDM_PCI) */
+#endif /* !defined(SUPPORT_DRI_DRM) */
+
+ return 0;
+
+#if !defined(SUPPORT_DRI_DRM)
+ErrDestroyEventObjects:
+#if defined(SUPPORT_DBGDRV_EVENT_OBJECTS)
+ HostDestroyEventObjects();
+#endif
+#if defined(LDM_PLATFORM) || defined(LDM_PCI)
+ErrUnregisterCharDev:
+ unregister_chrdev(AssignedMajorNumber, DRVNAME);
+ErrDestroyClass:
+ class_destroy(psDbgDrvClass);
+#endif
+ return err;
+#endif /* !defined(SUPPORT_DRI_DRM) */
+}
+
+#if defined(SUPPORT_DRI_DRM)
+int dbgdrv_ioctl(struct drm_device *dev, IMG_VOID *arg, struct drm_file *pFile)
+#else
+long dbgdrv_ioctl(struct file *file, unsigned int ioctlCmd, unsigned long arg)
+#endif
+{
+ IOCTL_PACKAGE *pIP = (IOCTL_PACKAGE *) arg;
+ char *buffer, *in, *out;
+ unsigned int cmd;
+
+ if((pIP->ui32InBufferSize > (PAGE_SIZE >> 1) ) || (pIP->ui32OutBufferSize > (PAGE_SIZE >> 1)))
+ {
+ PVR_DPF((PVR_DBG_ERROR,"Sizes of the buffers are too large, cannot do ioctl\n"));
+ return -1;
+ }
+
+ buffer = (char *) HostPageablePageAlloc(1);
+ if(!buffer)
+ {
+ PVR_DPF((PVR_DBG_ERROR,"Failed to allocate buffer, cannot do ioctl\n"));
+ return -EFAULT;
+ }
+
+ in = buffer;
+ out = buffer + (PAGE_SIZE >>1);
+
+ if(pvr_copy_from_user(in, pIP->pInBuffer, pIP->ui32InBufferSize) != 0)
+ {
+ goto init_failed;
+ }
+
+ /* Extra -1 because ioctls start at DEBUG_SERVICE_IOCTL_BASE + 1 */
+ cmd = MAKEIOCTLINDEX(pIP->ui32Cmd) - DEBUG_SERVICE_IOCTL_BASE - 1;
+
+ if(pIP->ui32Cmd == DEBUG_SERVICE_READ)
+ {
+ IMG_UINT32 *pui32BytesCopied = (IMG_UINT32 *)out;
+ DBG_IN_READ *psReadInParams = (DBG_IN_READ *)in;
+ DBG_STREAM *psStream;
+ IMG_CHAR *ui8Tmp;
+
+ ui8Tmp = vmalloc(psReadInParams->ui32OutBufferSize);
+
+ if(!ui8Tmp)
+ {
+ goto init_failed;
+ }
+
+ psStream = SID2PStream(psReadInParams->hStream);
+ if(!psStream)
+ {
+ goto init_failed;
+ }
+
+ *pui32BytesCopied = ExtDBGDrivRead(psStream,
+ psReadInParams->bReadInitBuffer,
+ psReadInParams->ui32OutBufferSize,
+ ui8Tmp);
+
+ if(pvr_copy_to_user(psReadInParams->u.pui8OutBuffer,
+ ui8Tmp,
+ *pui32BytesCopied) != 0)
+ {
+ vfree(ui8Tmp);
+ goto init_failed;
+ }
+
+ vfree(ui8Tmp);
+ }
+ else
+ {
+ (g_DBGDrivProc[cmd])(in, out);
+ }
+
+ if(copy_to_user(pIP->pOutBuffer, out, pIP->ui32OutBufferSize) != 0)
+ {
+ goto init_failed;
+ }
+
+ HostPageablePageFree((IMG_VOID *)buffer);
+ return 0;
+
+init_failed:
+ HostPageablePageFree((IMG_VOID *)buffer);
+ return -EFAULT;
+}
+
+
+/******************************************************************************
+ * Function Name: RemoveHotKey
+ *
+ * Inputs : -
+ * Outputs : -
+ * Returns : -
+ * Globals Used : -
+ *
+ * Description : Removes HotKey callbacks
+ *****************************************************************************/
+IMG_VOID RemoveHotKey (IMG_UINT32 hHotKey)
+{
+ PVR_UNREFERENCED_PARAMETER(hHotKey);
+}
+
+/******************************************************************************
+ * Function Name: DefineHotKey
+ *
+ * Inputs : -
+ * Outputs : -
+ * Returns : -
+ * Globals Used : -
+ *
+ * Description : Removes HotKey callbacks
+ *****************************************************************************/
+IMG_VOID DefineHotKey (IMG_UINT32 ui32ScanCode, IMG_UINT32 ui32ShiftState, PHOTKEYINFO psInfo)
+{
+ PVR_UNREFERENCED_PARAMETER(ui32ScanCode);
+ PVR_UNREFERENCED_PARAMETER(ui32ShiftState);
+ PVR_UNREFERENCED_PARAMETER(psInfo);
+}
+
+EXPORT_SYMBOL(DBGDrvGetServiceTable);
+
+#if !defined(SUPPORT_DRI_DRM)
+subsys_initcall(dbgdrv_init);
+module_exit(dbgdrv_cleanup);
+#endif