#include "remods.h"
#include "precomp.h"

Include dependency graph for output.c:

Macros
#define	CPP_ASMLINKAGE

#define	asmlinkage CPP_ASMLINKAGE __attribute__((regparm(0)))

Functions
asmlinkage int	printk (const char *fmt,...)

ULONG	CountArgs (LPSTR fmt)

ULONG	PICE_KdpPrintString (PANSI_STRING String)

void	PrintkCallback (void)

VOID	PiceRunningTimer (IN PKDPC Dpc, IN PVOID DeferredContext, IN PVOID SystemArgument1, IN PVOID SystemArgument2)

void	InitPiceRunningTimer (void)

void	RemovePiceRunningTimer (void)

void	InstallPrintkHook (void)

void	DeInstallPrintkHook (void)

Variables
char	tempOutput [1024]

char	tempOutput2 [1024]

ULONG(*	ulPrintk )(PANSI_STRING String)

BOOLEAN	bInPrintk = FALSE

BOOLEAN	bIsDebugPrint = FALSE

BOOLEAN	bIsPrintkPatched = FALSE

ULONG	ulCountTimerEvents = 0

KTIMER	PiceTimer

KDPC	PiceTimerDPC

Macro Definition Documentation

◆ asmlinkage

#define asmlinkage CPP_ASMLINKAGE __attribute__((regparm(0)))

Definition at line 65 of file output.c.

◆ CPP_ASMLINKAGE

#define CPP_ASMLINKAGE

Definition at line 63 of file output.c.

Function Documentation

◆ CountArgs()

ULONG CountArgs ( LPSTR fmt )

Definition at line 120 of file output.c.

 {
     ULONG count=0;
 
     while(*fmt)
     {
         if(*fmt=='%' && *(fmt+1)!='%')
             count++;
         fmt++;
     }
     return count;
 }

◆ DeInstallPrintkHook()

void DeInstallPrintkHook ( void )

Definition at line 278 of file output.c.

 {
     ENTER_FUNC();
 
     DPRINT((0,"enter DeInstallPrintkHook()\n"));
     if(bIsPrintkPatched && ulPrintk)
     {
         // will be done on exit debugger
         if (DeInstallSWBreakpoint(ulPrintk))
                   bIsPrintkPatched = FALSE;
     }
     LEAVE_FUNC();
 }

Referenced by CleanUpPICE(), and COMMAND_PROTOTYPE().

◆ InitPiceRunningTimer()

void InitPiceRunningTimer ( void )

Definition at line 221 of file output.c.

 {
     LARGE_INTEGER   Interval;
 
     ENTER_FUNC();
 #if 0  //won't work. we have to intercept timer interrupt so dpc will never fire while we are in pice
     KeInitializeTimer( &PiceTimer );
     KeInitializeDpc( &PiceTimerDPC, PiceRunningTimer, NULL );
 
     Interval.QuadPart=-1000000L;  // 100 millisec. (unit is 100 nanosec.)
 
     KeSetTimerEx(&PiceTimer,
                         Interval, 1000000L,
                         &PiceTimerDpc);
 #endif
     LEAVE_FUNC();
 }

Referenced by InitPICE().

◆ InstallPrintkHook()

void InstallPrintkHook ( void )

Definition at line 252 of file output.c.

 {
 
     ENTER_FUNC();
 
     if( bIsPrintkPatched )
             return;
 
   DPRINT((0,"installing PrintString hook\n"));
     ScanExports("_KdpPrintString",(PULONG)&ulPrintk);
 
     DPRINT((0,"_KdpPrintString @ %x\n", ulPrintk));
     ASSERT( ulPrintk );                 // temporary
     if(ulPrintk)
     {
       bIsPrintkPatched = InstallSWBreakpoint(ulPrintk,TRUE,PrintkCallback);
         DPRINT((0,"KdpPrintStringTest breakpoint installed? %d\n", bIsPrintkPatched));
     }
 
     LEAVE_FUNC();
 }

Referenced by InitPICE(), and RealIsr().

◆ PICE_KdpPrintString()

ULONG PICE_KdpPrintString ( PANSI_STRING String )

Definition at line 137 of file output.c.

 {
     ULONG ulRingBufferLock;
 
   save_flags(ulRingBufferLock);
   cli();
 
   /* CH: What is bIsDebugPrint used for? */
   bIsDebugPrint = FALSE;
 
     DPRINT((0,"PICE_KdpPrintString\n\n\n"));
   AddToRingBuffer(String->Buffer);
   restore_flags(ulRingBufferLock);
 }

Referenced by PrintkCallback().

◆ PiceRunningTimer()

VOID PiceRunningTimer	(	IN PKDPC	Dpc,
		IN PVOID	DeferredContext,
		IN PVOID	SystemArgument1,
		IN PVOID	SystemArgument2
	)

Definition at line 195 of file output.c.

 {
     CheckRingBuffer();
 
     if(ulCountTimerEvents++ > 10)
     {
         LARGE_INTEGER jiffies;
 
         ulCountTimerEvents = 0;
 
         KeQuerySystemTime(&jiffies);
         SetForegroundColor(COLOR_TEXT);
         SetBackgroundColor(COLOR_CAPTION);
         PICE_sprintf(tempOutput,"jiffies = %.8X\n",jiffies.u.LowPart);
         PutChar(tempOutput,GLOBAL_SCREEN_WIDTH-strlen(tempOutput),GLOBAL_SCREEN_HEIGHT-1);
         ResetColor();
     }
 }

Referenced by InitPiceRunningTimer().

◆ printk()

asmlinkage int printk	(	const char *	fmt,
			...
	)

Definition at line 76 of file output.c.

 {
     ULONG len,ulRingBufferLock;
     static LONGLONG ulOldJiffies = 0;
     LARGE_INTEGER jiffies;
 
     va_list args;
     va_start(args, fmt);
 
     if((len = PICE_strlen((LPSTR)fmt)) )
     {
         save_flags(ulRingBufferLock);
         cli();
 
         PICE_vsprintf(tempOutput, fmt, args);
         bIsDebugPrint = TRUE;
         // if the last debug print was longer than 50 ms ago
         // directly print it, else just add it to the ring buffer
         // and let the timer process it.
         KeQuerySystemTime(&jiffies);
         if( (jiffies.QuadPart-ulOldJiffies) > 10000*(1*wWindow[OUTPUT_WINDOW].cy)/2)
         {
             ulOldJiffies = jiffies.QuadPart;
             Print(OUTPUT_WINDOW,tempOutput);
         }
         else
         {
             AddToRingBuffer(tempOutput);
         }
 
         bIsDebugPrint = FALSE;
         restore_flags(ulRingBufferLock);
     }
     va_end(args);
 
     return 0;
 }

Referenced by __journal_remove_journal_head(), do_one_pass(), ext2_init_bh(), Ext2InitializeVcb(), ext3_find_entry(), ext3_warning(), ext4_check_descriptors(), ext4_ext_binsearch_idx(), journal_alloc_journal_head(), journal_bmap(), journal_convert_superblock_v1(), journal_exit(), journal_get_superblock(), journal_init_handle_cache(), journal_init_inode(), journal_init_journal_head_cache(), journal_load(), journal_skip_recovery(), journal_wipe(), jread(), load_nls(), tcp_clear_xmit_timer(), tcp_reset_xmit_timer(), and tcp_tw_put().

◆ PrintkCallback()

void PrintkCallback ( void )

Definition at line 157 of file output.c.

 {
     LPSTR fmt,args;
     ULONG ulAddress;
     ULONG countArgs,i,len;
     PANSI_STRING temp;
   CHAR buf[128];
 
     DPRINT((0,"In PrintkCallback\n"));
 
     bInPrintk = TRUE;
 
     // get the linear address of stack where string resides
     ulAddress = GetLinearAddress(CurrentSS,CurrentESP);
     if(ulAddress)
     {
         DPRINT((0,"In PrintkCallback: ulAddress: %x\n", ulAddress));
         if(IsAddressValid(ulAddress+sizeof(char *)) )
         {
             //KdpPrintString has PANSI_STRING as a parameter
             temp = (PANSI_STRING)*(PULONG)(ulAddress+sizeof(char *));
         DPRINT((0,"PrintkCallback: %s\n", temp->Buffer));
       /* Call our version of KdpPrintString() */
             CurrentEIP = (ULONG_PTR)PICE_KdpPrintString;
         }
     }
     bInPrintk = FALSE;
 }

Referenced by InstallPrintkHook().

◆ RemovePiceRunningTimer()

void RemovePiceRunningTimer ( void )

Definition at line 243 of file output.c.

 {
     KeCancelTimer( &PiceTimer );
 }

Referenced by CleanUpPICE().

Variable Documentation

◆ bInPrintk

BOOLEAN bInPrintk = FALSE

Definition at line 54 of file output.c.

Referenced by HandleInDebuggerFault(), and PrintkCallback().

◆ bIsDebugPrint

BOOLEAN bIsDebugPrint = FALSE

Definition at line 55 of file output.c.

Referenced by AddToRingBuffer(), PICE_KdpPrintString(), and printk().

◆ bIsPrintkPatched

BOOLEAN bIsPrintkPatched = FALSE

Definition at line 56 of file output.c.

Referenced by DeInstallPrintkHook(), and InstallPrintkHook().

◆ PiceTimer

KTIMER PiceTimer

Definition at line 191 of file output.c.

Referenced by InitPiceRunningTimer(), and RemovePiceRunningTimer().

◆ PiceTimerDPC

KDPC PiceTimerDPC

Definition at line 192 of file output.c.

Referenced by InitPiceRunningTimer().

◆ tempOutput

char tempOutput[1024]

Definition at line 48 of file output.c.

Referenced by PiceRunningTimer(), and printk().

◆ tempOutput2

char tempOutput2[1024]