X-Git-Url: https://git.ucc.asn.au/?a=blobdiff_plain;f=KernelLand%2FKernel%2Fdebug.c;h=18c7ebbc0ca1702b3a416569804c8ddf401f42ea;hb=641a3c5a09b61973431c5772333f65eeb76e76c0;hp=ab3dd6725a77029f40e144bde1e571db49b95c15;hpb=33de4e7776814ede6263b6563f5b8ff3ff20e33e;p=tpg%2Facess2.git

diff --git a/KernelLand/Kernel/debug.c b/KernelLand/Kernel/debug.c
index ab3dd672..18c7ebbc 100644
--- a/KernelLand/Kernel/debug.c
+++ b/KernelLand/Kernel/debug.c
@@ -4,23 +4,24 @@
  */
 #include <acess.h>
 #include <stdarg.h>
+#include <debug_hooks.h>
 
 #define	DEBUG_MAX_LINE_LEN	256
 #define	LOCK_DEBUG_OUTPUT	1	// Avoid interleaving of output lines?
-#define TRACE_TO_KTERM	0	// Send ENTER/DEBUG/LEAVE to debug?
+#define TRACE_TO_KTERM  	0	// Send ENTER/DEBUG/LEAVE to debug?
 
 // === IMPORTS ===
-extern void	Threads_Dump(void);
 extern void	KernelPanic_SetMode(void);
 extern void	KernelPanic_PutChar(char Ch);
 extern void	IPStack_SendDebugText(const char *Text);
+extern void	VT_SetTerminal(int TerminalID);
 
 // === PROTOTYPES ===
 static void	Debug_Putchar(char ch);
 static void	Debug_Puts(int bUseKTerm, const char *Str);
 void	Debug_DbgOnlyFmt(const char *format, va_list args);
 void	Debug_FmtS(int bUseKTerm, const char *format, ...);
-void	Debug_Fmt(int bUseKTerm, const char *format, va_list args);
+bool	Debug_Fmt(int bUseKTerm, const char *format, va_list args);
 void	Debug_SetKTerminal(const char *File);
 
 // === GLOBALS ===
@@ -39,7 +40,10 @@ static void Debug_Putchar(char ch)
 {
 	Debug_PutCharDebug(ch);
 	
-	if( !gbDebug_IsKPanic )
+	if( gbDebug_IsKPanic )
+		KernelPanic_PutChar(ch);
+
+	if( gbDebug_IsKPanic < 2 )
 	{
 		if(gbInPutChar)	return ;
 		gbInPutChar = 1;
@@ -47,8 +51,6 @@ static void Debug_Putchar(char ch)
 			VFS_Write(giDebug_KTerm, 1, &ch);
 		gbInPutChar = 0;
 	}
-	else
-		KernelPanic_PutChar(ch);
 	
 	if( gbSendNetworkDebug )
 	{
@@ -75,7 +77,7 @@ static void Debug_Puts(int UseKTerm, const char *Str)
 		IPStack_SendDebugText(Str);
 
 	// Output to the kernel terminal
-	if( UseKTerm && !gbDebug_IsKPanic && giDebug_KTerm != -1)
+	if( UseKTerm && gbDebug_IsKPanic < 2 && giDebug_KTerm != -1)
 	{
 		if(gbInPutChar)	return ;
 		gbInPutChar = 1;
@@ -89,16 +91,18 @@ void Debug_DbgOnlyFmt(const char *format, va_list args)
 	Debug_Fmt(0, format, args);
 }
 
-void Debug_Fmt(int bUseKTerm, const char *format, va_list args)
+bool Debug_Fmt(int bUseKTerm, const char *format, va_list args)
 {
 	char	buf[DEBUG_MAX_LINE_LEN];
-//	 int	len;
 	buf[DEBUG_MAX_LINE_LEN-1] = 0;
-	/*len = */vsnprintf(buf, DEBUG_MAX_LINE_LEN-1, format, args);
-	//if( len < DEBUG_MAX_LINE )
-		// do something
+	size_t len = vsnprintf(buf, DEBUG_MAX_LINE_LEN-1, format, args);
 	Debug_Puts(bUseKTerm, buf);
-	return ;
+	if( len > DEBUG_MAX_LINE_LEN-1 ) {
+		// do something
+		Debug_Puts(bUseKTerm, "[...]");
+		return false;
+	}
+	return true;
 }
 
 void Debug_FmtS(int bUseKTerm, const char *format, ...)
@@ -111,34 +115,41 @@ void Debug_FmtS(int bUseKTerm, const char *format, ...)
 
 void Debug_KernelPanic(void)
 {
-	#if LOCK_DEBUG_OUTPUT
-	SHORTREL(&glDebug_Lock);
-	#endif
-	gbDebug_IsKPanic = 1;
+	// 5 nested panics? Fuck it
+	if( gbDebug_IsKPanic > 5 )
+		HALT_CPU();
+	gbDebug_IsKPanic ++;
+	if( gbDebug_IsKPanic == 1 )
+	{
+		#if LOCK_DEBUG_OUTPUT
+		SHORTREL(&glDebug_Lock);
+		#endif
+		VT_SetTerminal(7);
+	}
 	KernelPanic_SetMode();
 }
 
 /**
  * \fn void LogF(const char *Msg, ...)
  * \brief Raw debug log (no new line, no prefix)
+ * \return True if all of the provided text was printed
  */
-void LogF(const char *Fmt, ...)
+bool LogF(const char *Fmt, ...)
 {
-	va_list	args;
-
 	#if LOCK_DEBUG_OUTPUT
+	if(CPU_HAS_LOCK(&glDebug_Lock))	return true;
 	SHORTLOCK(&glDebug_Lock);
 	#endif
 	
+	va_list	args;
 	va_start(args, Fmt);
-
-	Debug_Fmt(1, Fmt, args);
-
+	bool rv = Debug_Fmt(1, Fmt, args);
 	va_end(args);
 	
 	#if LOCK_DEBUG_OUTPUT
 	SHORTREL(&glDebug_Lock);
 	#endif
+	return rv;
 }
 /**
  * \fn void Debug(const char *Msg, ...)
@@ -149,6 +160,7 @@ void Debug(const char *Fmt, ...)
 	va_list	args;
 	
 	#if LOCK_DEBUG_OUTPUT
+	if(CPU_HAS_LOCK(&glDebug_Lock))	return ;
 	SHORTLOCK(&glDebug_Lock);
 	#endif
 
@@ -162,32 +174,55 @@ void Debug(const char *Fmt, ...)
 	SHORTREL(&glDebug_Lock);
 	#endif
 }
-/**
- * \fn void Log(const char *Msg, ...)
- */
-void Log(const char *Fmt, ...)
+
+
+void LogFV(const char *Fmt, va_list args)
 {
-	va_list	args;
+	#if LOCK_DEBUG_OUTPUT
+	if(CPU_HAS_LOCK(&glDebug_Lock))	return ;
+	SHORTLOCK(&glDebug_Lock);
+	#endif
+
+	Debug_Fmt(1, Fmt, args);
 	
 	#if LOCK_DEBUG_OUTPUT
+	SHORTREL(&glDebug_Lock);
+	#endif
+}
+
+void LogV(const char *Fmt, va_list args)
+{
+	#if LOCK_DEBUG_OUTPUT
+	if(CPU_HAS_LOCK(&glDebug_Lock))	return ;
 	SHORTLOCK(&glDebug_Lock);
 	#endif
 
 	Debug_Puts(1, "Log: ");
-	va_start(args, Fmt);
 	Debug_Fmt(1, Fmt, args);
-	va_end(args);
 	Debug_Puts(1, "\r\n");
 	
 	#if LOCK_DEBUG_OUTPUT
 	SHORTREL(&glDebug_Lock);
 	#endif
 }
+
+/**
+ * \fn void Log(const char *Msg, ...)
+ */
+void Log(const char *Fmt, ...)
+{
+	va_list	args;
+	va_start(args, Fmt);
+	LogV(Fmt, args);
+	va_end(args);
+}
+
 void Warning(const char *Fmt, ...)
 {
 	va_list	args;
 	
 	#if LOCK_DEBUG_OUTPUT
+	if(CPU_HAS_LOCK(&glDebug_Lock))	return ;
 	SHORTLOCK(&glDebug_Lock);
 	#endif
 	
@@ -207,23 +242,25 @@ void Panic(const char *Fmt, ...)
 	va_list	args;
 	
 	#if LOCK_DEBUG_OUTPUT
-	SHORTLOCK(&glDebug_Lock);
+	if( !CPU_HAS_LOCK(&glDebug_Lock) )
+		SHORTLOCK(&glDebug_Lock);
 	#endif
 	// And never SHORTREL
 	
 	Debug_KernelPanic();
 	
+	Debug_Puts(1, "\x1b[31m");
 	Debug_Puts(1, "Panic: ");
 	va_start(args, Fmt);
 	Debug_Fmt(1, Fmt, args);
 	va_end(args);
-	Debug_Putchar('\r');
-	Debug_Putchar('\n');
+	Debug_Puts(1, "\x1b[0m\r\n");
 
-	Threads_Dump();
-	Heap_Dump();
+	Proc_PrintBacktrace();
+	//Threads_Dump();
+	//Heap_Dump();
 
-	for(;;)	;
+	HALT_CPU();
 }
 
 void Debug_SetKTerminal(const char *File)
@@ -248,6 +285,7 @@ void Debug_Enter(const char *FuncName, const char *ArgTypes, ...)
 	tTID	tid = Threads_GetTID();
 	 
 	#if LOCK_DEBUG_OUTPUT
+	if(CPU_HAS_LOCK(&glDebug_Lock))	return ;
 	SHORTLOCK(&glDebug_Lock);
 	#endif
 
@@ -308,6 +346,7 @@ void Debug_Log(const char *FuncName, const char *Fmt, ...)
 	tTID	tid = Threads_GetTID();
 
 	#if LOCK_DEBUG_OUTPUT
+	if(CPU_HAS_LOCK(&glDebug_Lock))	return ;
 	SHORTLOCK(&glDebug_Lock);
 	#endif
 
@@ -336,6 +375,7 @@ void Debug_Leave(const char *FuncName, char RetType, ...)
 	tTID	tid = Threads_GetTID();
 
 	#if LOCK_DEBUG_OUTPUT
+	if(CPU_HAS_LOCK(&glDebug_Lock))	return ;
 	SHORTLOCK(&glDebug_Lock);
 	#endif
 	
@@ -391,16 +431,16 @@ void Debug_HexDump(const char *Header, const void *Data, size_t Length)
 	Uint	pos = 0;
 	LogF("%014lli ", now());
 	Debug_Puts(1, Header);
-	LogF(" (Hexdump of %p)\r\n", Data);
+	LogF(" (Hexdump of %p+%i)\r\n", Data, Length);
 
 	#define	CH(n)	((' '<=cdat[(n)]&&cdat[(n)]<0x7F) ? cdat[(n)] : '.')
 
 	while(Length >= 16)
 	{
 		LogF("%014lli Log: %04x:"
-			" %02x %02x %02x %02x %02x %02x %02x %02x"
-			" %02x %02x %02x %02x %02x %02x %02x %02x"
-			"  %c%c%c%c%c%c%c%c %c%c%c%c%c%c%c%c\r\n",
+			" %02x %02x %02x %02x %02x %02x %02x %02x "
+			" %02x %02x %02x %02x %02x %02x %02x %02x "
+			" %c%c%c%c%c%c%c%c %c%c%c%c%c%c%c%c\r\n",
 			now(),
 			pos,
 			cdat[ 0], cdat[ 1], cdat[ 2], cdat[ 3], cdat[ 4], cdat[ 5], cdat[ 6], cdat[ 7],