X-Git-Url: https://git.ucc.asn.au/?a=blobdiff_plain;f=KernelLand%2FKernel%2Fdebug.c;h=d0de25abc389255c4ab9378bd57321d4d57b6a4f;hb=48f6d3ace33f15e2c46fb4c7a79f1f647e446e33;hp=f0d21fa7d7f396e4a8618c29540709aad486c162;hpb=015f48988e0ff398409d71dfc692005ab439490a;p=tpg%2Facess2.git diff --git a/KernelLand/Kernel/debug.c b/KernelLand/Kernel/debug.c index f0d21fa7..d0de25ab 100644 --- a/KernelLand/Kernel/debug.c +++ b/KernelLand/Kernel/debug.c @@ -4,17 +4,17 @@ */ #include #include +#include #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); @@ -94,12 +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 ; } @@ -113,10 +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(); } @@ -129,6 +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 @@ -151,7 +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: "); @@ -169,6 +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 @@ -182,6 +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 @@ -210,6 +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 @@ -243,10 +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) @@ -271,6 +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 @@ -331,6 +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 @@ -359,6 +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