X-Git-Url: https://git.ucc.asn.au/?a=blobdiff_plain;f=KernelLand%2FKernel%2Fdebug.c;h=d0de25abc389255c4ab9378bd57321d4d57b6a4f;hb=7b0611393a98399063aefaa87583b05fef13f6e3;hp=49600c20e565a8a68b3bd37545a95cc381e7de3b;hpb=7ba570fe3cc5418f42decf5b72ac2295cce9e60f;p=tpg%2Facess2.git

diff --git a/KernelLand/Kernel/debug.c b/KernelLand/Kernel/debug.c
index 49600c20..d0de25ab 100644
--- a/KernelLand/Kernel/debug.c
+++ b/KernelLand/Kernel/debug.c
@@ -4,18 +4,17 @@
  */
 #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	Heap_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);
@@ -24,7 +23,6 @@ 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);
 void	Debug_SetKTerminal(const char *File);
-void	LogFV(const char *Fmt, va_list args);
 
 // === GLOBALS ===
  int	gDebug_Level = 0;
@@ -96,12 +94,13 @@ void Debug_DbgOnlyFmt(const char *format, va_list args)
 void 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
+	int len = vsnprintf(buf, DEBUG_MAX_LINE_LEN-1, format, args);
 	Debug_Puts(bUseKTerm, buf);
+	if( len > DEBUG_MAX_LINE_LEN-1 ) {
+		// do something
+		Debug_Puts(bUseKTerm, "[...]");
+	}
 	return ;
 }
 
@@ -115,10 +114,17 @@ void Debug_FmtS(int bUseKTerm, const char *format, ...)
 
 void Debug_KernelPanic(void)
 {
-	#if LOCK_DEBUG_OUTPUT
-	SHORTREL(&glDebug_Lock);
-	#endif
+	// 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();
 }
 
@@ -131,6 +137,7 @@ void LogF(const char *Fmt, ...)
 	va_list	args;
 
 	#if LOCK_DEBUG_OUTPUT
+	if(CPU_HAS_LOCK(&glDebug_Lock))	return ;
 	SHORTLOCK(&glDebug_Lock);
 	#endif
 	
@@ -153,7 +160,8 @@ void Debug(const char *Fmt, ...)
 	va_list	args;
 	
 	#if LOCK_DEBUG_OUTPUT
-	if(!CPU_HAS_LOCK(&glDebug_Lock)) SHORTLOCK(&glDebug_Lock);
+	if(CPU_HAS_LOCK(&glDebug_Lock))	return ;
+	SHORTLOCK(&glDebug_Lock);
 	#endif
 
 	Debug_Puts(0, "Debug: ");
@@ -171,6 +179,7 @@ void Debug(const char *Fmt, ...)
 void LogFV(const char *Fmt, va_list args)
 {
 	#if LOCK_DEBUG_OUTPUT
+	if(CPU_HAS_LOCK(&glDebug_Lock))	return ;
 	SHORTLOCK(&glDebug_Lock);
 	#endif
 
@@ -184,6 +193,7 @@ void LogFV(const char *Fmt, va_list args)
 void LogV(const char *Fmt, va_list args)
 {
 	#if LOCK_DEBUG_OUTPUT
+	if(CPU_HAS_LOCK(&glDebug_Lock))	return ;
 	SHORTLOCK(&glDebug_Lock);
 	#endif
 
@@ -212,6 +222,7 @@ void Warning(const char *Fmt, ...)
 	va_list	args;
 	
 	#if LOCK_DEBUG_OUTPUT
+	if(CPU_HAS_LOCK(&glDebug_Lock))	return ;
 	SHORTLOCK(&glDebug_Lock);
 	#endif
 	
@@ -245,10 +256,11 @@ void Panic(const char *Fmt, ...)
 	Debug_Putchar('\r');
 	Debug_Putchar('\n');
 
-	Threads_Dump();
-	Heap_Dump();
+	Proc_PrintBacktrace();
+	//Threads_Dump();
+	//Heap_Dump();
 
-	for(;;)	;
+	HALT_CPU();
 }
 
 void Debug_SetKTerminal(const char *File)
@@ -273,6 +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
 
@@ -333,6 +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
 
@@ -361,6 +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