diff options
Diffstat (limited to 'pvr-source/services4/srvkm/env/linux/pvr_debug.c')
| -rwxr-xr-x | pvr-source/services4/srvkm/env/linux/pvr_debug.c | 506 |
1 files changed, 0 insertions, 506 deletions
diff --git a/pvr-source/services4/srvkm/env/linux/pvr_debug.c b/pvr-source/services4/srvkm/env/linux/pvr_debug.c deleted file mode 100755 index 04e42ad..0000000 --- a/pvr-source/services4/srvkm/env/linux/pvr_debug.c +++ /dev/null @@ -1,506 +0,0 @@ -/*************************************************************************/ /*! -@Title Debug Functionality -@Copyright Copyright (c) Imagination Technologies Ltd. All Rights Reserved -@Description Provides kernel side Debug Functionality -@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> - -#if (LINUX_VERSION_CODE < KERNEL_VERSION(2,6,38)) -#ifndef AUTOCONF_INCLUDED -#include <linux/config.h> -#endif -#endif - -#include <asm/io.h> -#include <asm/uaccess.h> -#include <linux/kernel.h> -#include <linux/hardirq.h> -#include <linux/module.h> -#include <linux/spinlock.h> -#include <linux/string.h> // strncpy, strlen -#include <stdarg.h> -#include "img_types.h" -#include "servicesext.h" -#include "pvr_debug.h" -#include "srvkm.h" -#include "proc.h" -#include "mutex.h" -#include "linkage.h" -#include "pvr_uaccess.h" - -#if !defined(CONFIG_PREEMPT) -#define PVR_DEBUG_ALWAYS_USE_SPINLOCK -#endif - -static IMG_BOOL VBAppend(IMG_CHAR *pszBuf, IMG_UINT32 ui32BufSiz, - const IMG_CHAR* pszFormat, va_list VArgs) - IMG_FORMAT_PRINTF(3, 0); - - -#if defined(PVRSRV_NEED_PVR_DPF) - -#define PVR_MAX_FILEPATH_LEN 256 - -static IMG_BOOL BAppend(IMG_CHAR *pszBuf, IMG_UINT32 ui32BufSiz, - const IMG_CHAR *pszFormat, ...) - IMG_FORMAT_PRINTF(3, 4); - -/* NOTE: Must NOT be static! Used in module.c.. */ -IMG_UINT32 gPVRDebugLevel = - (DBGPRIV_FATAL | DBGPRIV_ERROR | DBGPRIV_WARNING); - -#endif /* defined(PVRSRV_NEED_PVR_DPF) || defined(PVRSRV_NEED_PVR_TRACE) */ - -#define PVR_MAX_MSG_LEN PVR_MAX_DEBUG_MESSAGE_LEN - -#if !defined(PVR_DEBUG_ALWAYS_USE_SPINLOCK) -/* Message buffer for non-IRQ messages */ -static IMG_CHAR gszBufferNonIRQ[PVR_MAX_MSG_LEN + 1]; -#endif - -/* Message buffer for IRQ messages */ -static IMG_CHAR gszBufferIRQ[PVR_MAX_MSG_LEN + 1]; - -#if !defined(PVR_DEBUG_ALWAYS_USE_SPINLOCK) -/* The lock is used to control access to gszBufferNonIRQ */ -static PVRSRV_LINUX_MUTEX gsDebugMutexNonIRQ; -#endif - -#if (LINUX_VERSION_CODE < KERNEL_VERSION(2,6,39)) -/* The lock is used to control access to gszBufferIRQ */ -/* PRQA S 0671,0685 1 */ /* ignore warnings about C99 style initialisation */ -static spinlock_t gsDebugLockIRQ = SPIN_LOCK_UNLOCKED; -#else -static DEFINE_SPINLOCK(gsDebugLockIRQ); -#endif - -#if !defined(PVR_DEBUG_ALWAYS_USE_SPINLOCK) -#if !defined (USE_SPIN_LOCK) /* to keep QAC happy */ -#define USE_SPIN_LOCK (in_interrupt() || !preemptible()) -#endif -#endif - -static inline void GetBufferLock(unsigned long *pulLockFlags) -{ -#if !defined(PVR_DEBUG_ALWAYS_USE_SPINLOCK) - if (USE_SPIN_LOCK) -#endif - { - spin_lock_irqsave(&gsDebugLockIRQ, *pulLockFlags); - } -#if !defined(PVR_DEBUG_ALWAYS_USE_SPINLOCK) - else - { - LinuxLockMutex(&gsDebugMutexNonIRQ); - } -#endif -} - -static inline void ReleaseBufferLock(unsigned long ulLockFlags) -{ -#if !defined(PVR_DEBUG_ALWAYS_USE_SPINLOCK) - if (USE_SPIN_LOCK) -#endif - { - spin_unlock_irqrestore(&gsDebugLockIRQ, ulLockFlags); - } -#if !defined(PVR_DEBUG_ALWAYS_USE_SPINLOCK) - else - { - LinuxUnLockMutex(&gsDebugMutexNonIRQ); - } -#endif -} - -static inline void SelectBuffer(IMG_CHAR **ppszBuf, IMG_UINT32 *pui32BufSiz) -{ -#if !defined(PVR_DEBUG_ALWAYS_USE_SPINLOCK) - if (USE_SPIN_LOCK) -#endif - { - *ppszBuf = gszBufferIRQ; - *pui32BufSiz = sizeof(gszBufferIRQ); - } -#if !defined(PVR_DEBUG_ALWAYS_USE_SPINLOCK) - else - { - *ppszBuf = gszBufferNonIRQ; - *pui32BufSiz = sizeof(gszBufferNonIRQ); - } -#endif -} - -/* - * Append a string to a buffer using formatted conversion. - * The function takes a variable number of arguments, pointed - * to by the var args list. - */ -static IMG_BOOL VBAppend(IMG_CHAR *pszBuf, IMG_UINT32 ui32BufSiz, const IMG_CHAR* pszFormat, va_list VArgs) -{ - IMG_UINT32 ui32Used; - IMG_UINT32 ui32Space; - IMG_INT32 i32Len; - - ui32Used = strlen(pszBuf); - BUG_ON(ui32Used >= ui32BufSiz); - ui32Space = ui32BufSiz - ui32Used; - - i32Len = vsnprintf(&pszBuf[ui32Used], ui32Space, pszFormat, VArgs); - pszBuf[ui32BufSiz - 1] = 0; - - /* Return true if string was truncated */ - return (i32Len < 0 || i32Len >= (IMG_INT32)ui32Space) ? IMG_TRUE : IMG_FALSE; -} - -/* Actually required for ReleasePrintf too */ - -IMG_VOID PVRDPFInit(IMG_VOID) -{ -#if !defined(PVR_DEBUG_ALWAYS_USE_SPINLOCK) - LinuxInitMutex(&gsDebugMutexNonIRQ); -#endif -} - -/*! -****************************************************************************** - @Function PVRSRVReleasePrintf - @Description To output an important message to the user in release builds - @Input pszFormat - The message format string - @Input ... - Zero or more arguments for use by the format string - @Return None - ******************************************************************************/ -IMG_VOID PVRSRVReleasePrintf(const IMG_CHAR *pszFormat, ...) -{ - va_list vaArgs; - unsigned long ulLockFlags = 0; - IMG_CHAR *pszBuf; - IMG_UINT32 ui32BufSiz; - - SelectBuffer(&pszBuf, &ui32BufSiz); - - va_start(vaArgs, pszFormat); - - GetBufferLock(&ulLockFlags); - strncpy (pszBuf, "PVR_K: ", (ui32BufSiz -1)); - - if (VBAppend(pszBuf, ui32BufSiz, pszFormat, vaArgs)) - { - printk(KERN_INFO "PVR_K:(Message Truncated): %s\n", pszBuf); - } - else - { - printk(KERN_INFO "%s\n", pszBuf); - } - - ReleaseBufferLock(ulLockFlags); - va_end(vaArgs); - -} - -#if defined(PVRSRV_NEED_PVR_TRACE) - -/*! -****************************************************************************** - @Function PVRTrace - @Description To output a debug message to the user - @Input pszFormat - The message format string - @Input ... - Zero or more arguments for use by the format string - @Return None - ******************************************************************************/ -IMG_VOID PVRSRVTrace(const IMG_CHAR* pszFormat, ...) -{ - va_list VArgs; - unsigned long ulLockFlags = 0; - IMG_CHAR *pszBuf; - IMG_UINT32 ui32BufSiz; - - SelectBuffer(&pszBuf, &ui32BufSiz); - - va_start(VArgs, pszFormat); - - GetBufferLock(&ulLockFlags); - - strncpy(pszBuf, "PVR: ", (ui32BufSiz -1)); - - if (VBAppend(pszBuf, ui32BufSiz, pszFormat, VArgs)) - { - printk(KERN_INFO "PVR_K:(Message Truncated): %s\n", pszBuf); - } - else - { - printk(KERN_INFO "%s\n", pszBuf); - } - - ReleaseBufferLock(ulLockFlags); - - va_end(VArgs); -} - -#endif /* defined(PVRSRV_NEED_PVR_TRACE) */ - -#if defined(PVRSRV_NEED_PVR_DPF) - -/* - * Append a string to a buffer using formatted conversion. - * The function takes a variable number of arguments, calling - * VBAppend to do the actual work. - */ -static IMG_BOOL BAppend(IMG_CHAR *pszBuf, IMG_UINT32 ui32BufSiz, const IMG_CHAR *pszFormat, ...) -{ - va_list VArgs; - IMG_BOOL bTrunc; - - va_start (VArgs, pszFormat); - - bTrunc = VBAppend(pszBuf, ui32BufSiz, pszFormat, VArgs); - - va_end (VArgs); - - return bTrunc; -} - -/*! -****************************************************************************** - @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 - ******************************************************************************/ -IMG_VOID PVRSRVDebugPrintf ( - IMG_UINT32 ui32DebugLevel, - const IMG_CHAR* pszFullFileName, - IMG_UINT32 ui32Line, - const IMG_CHAR* pszFormat, - ... - ) -{ - IMG_BOOL bTrace; - const IMG_CHAR *pszFileName = pszFullFileName; - IMG_CHAR *pszLeafName; - - - bTrace = (IMG_BOOL)(ui32DebugLevel & DBGPRIV_CALLTRACE) ? IMG_TRUE : IMG_FALSE; - - if (gPVRDebugLevel & ui32DebugLevel) - { - va_list vaArgs; - unsigned long ulLockFlags = 0; - IMG_CHAR *pszBuf; - IMG_UINT32 ui32BufSiz; - - SelectBuffer(&pszBuf, &ui32BufSiz); - - va_start(vaArgs, pszFormat); - - GetBufferLock(&ulLockFlags); - - /* Add in the level of warning */ - if (bTrace == IMG_FALSE) - { - switch(ui32DebugLevel) - { - case DBGPRIV_FATAL: - { - strncpy (pszBuf, "PVR_K:(Fatal): ", (ui32BufSiz -1)); - break; - } - case DBGPRIV_ERROR: - { - strncpy (pszBuf, "PVR_K:(Error): ", (ui32BufSiz -1)); - break; - } - case DBGPRIV_WARNING: - { - strncpy (pszBuf, "PVR_K:(Warning): ", (ui32BufSiz -1)); - break; - } - case DBGPRIV_MESSAGE: - { - strncpy (pszBuf, "PVR_K:(Message): ", (ui32BufSiz -1)); - break; - } - case DBGPRIV_VERBOSE: - { - strncpy (pszBuf, "PVR_K:(Verbose): ", (ui32BufSiz -1)); - break; - } - default: - { - strncpy (pszBuf, "PVR_K:(Unknown message level)", (ui32BufSiz -1)); - break; - } - } - } - else - { - strncpy (pszBuf, "PVR_K: ", (ui32BufSiz -1)); - } - - if (VBAppend(pszBuf, ui32BufSiz, pszFormat, vaArgs)) - { - printk(KERN_INFO "PVR_K:(Message Truncated): %s\n", pszBuf); - } - else - { - /* Traces don't need a location */ - if (bTrace == IMG_FALSE) - { -#ifdef DEBUG_LOG_PATH_TRUNCATE - /* Buffer for rewriting filepath in log messages */ - static IMG_CHAR szFileNameRewrite[PVR_MAX_FILEPATH_LEN]; - - IMG_CHAR* pszTruncIter; - IMG_CHAR* pszTruncBackInter; - - /* Truncate path (DEBUG_LOG_PATH_TRUNCATE shoud be set to EURASIA env var)*/ - if (strlen(pszFullFileName) > strlen(DEBUG_LOG_PATH_TRUNCATE)+1) - pszFileName = pszFullFileName + strlen(DEBUG_LOG_PATH_TRUNCATE)+1; - - /* Try to find '/../' entries and remove it together with - previous entry. Repeat unit all removed */ - strncpy(szFileNameRewrite, pszFileName,PVR_MAX_FILEPATH_LEN); - - if(strlen(szFileNameRewrite) == PVR_MAX_FILEPATH_LEN-1) { - IMG_CHAR szTruncateMassage[] = "FILENAME TRUNCATED"; - strcpy(szFileNameRewrite + (PVR_MAX_FILEPATH_LEN - 1 - strlen(szTruncateMassage)), szTruncateMassage); - } - - pszTruncIter = szFileNameRewrite; - while(*pszTruncIter++ != 0) - { - IMG_CHAR* pszNextStartPoint; - /* Find '/../' pattern */ - if( - !( ( *pszTruncIter == '/' && (pszTruncIter-4 >= szFileNameRewrite) ) && - ( *(pszTruncIter-1) == '.') && - ( *(pszTruncIter-2) == '.') && - ( *(pszTruncIter-3) == '/') ) - ) continue; - - /* Find previous '/' */ - pszTruncBackInter = pszTruncIter - 3; - while(*(--pszTruncBackInter) != '/') - { - if(pszTruncBackInter <= szFileNameRewrite) break; - } - pszNextStartPoint = pszTruncBackInter; - - /* Remove found region */ - while(*pszTruncIter != 0) - { - *pszTruncBackInter++ = *pszTruncIter++; - } - *pszTruncBackInter = 0; - - /* Start again */ - pszTruncIter = pszNextStartPoint; - } - - pszFileName = szFileNameRewrite; - /* Remove first '/' if exist (it's always relative path */ - if(*pszFileName == '/') pszFileName++; -#endif - -#if !defined(__sh__) - pszLeafName = (IMG_CHAR *)strrchr (pszFileName, '\\'); - - if (pszLeafName) - { - pszFileName = pszLeafName; - } -#endif /* __sh__ */ - - if (BAppend(pszBuf, ui32BufSiz, " [%u, %s]", ui32Line, pszFileName)) - { - printk(KERN_INFO "PVR_K:(Message Truncated): %s\n", pszBuf); - } - else - { - printk(KERN_INFO "%s\n", pszBuf); - } - } - else - { - printk(KERN_INFO "%s\n", pszBuf); - } - } - - ReleaseBufferLock(ulLockFlags); - - va_end (vaArgs); - } -} - -#endif /* PVRSRV_NEED_PVR_DPF */ - -#if defined(DEBUG) - -IMG_INT PVRDebugProcSetLevel(struct file *file, const IMG_CHAR *buffer, IMG_UINT32 count, IMG_VOID *data) -{ -#define _PROC_SET_BUFFER_SZ 6 - IMG_CHAR data_buffer[_PROC_SET_BUFFER_SZ]; - - if (count > _PROC_SET_BUFFER_SZ) - { - return -EINVAL; - } - else - { - if (pvr_copy_from_user(data_buffer, buffer, count)) - return -EINVAL; - if (data_buffer[count - 1] != '\n') - return -EINVAL; - if (sscanf(data_buffer, "%i", &gPVRDebugLevel) == 0) - return -EINVAL; - gPVRDebugLevel &= (1 << DBGPRIV_DBGLEVEL_COUNT) - 1; - } - return (count); -} - -void ProcSeqShowDebugLevel(struct seq_file *sfile,void* el) -{ - seq_printf(sfile, "%u\n", gPVRDebugLevel); -} - -#endif /* defined(DEBUG) */ |