X-Git-Url: https://git.ucc.asn.au/?a=blobdiff_plain;f=KernelLand%2FKernel%2Fdebug.c;h=3db53876f68f1849c0daa35644ab4a965d0879b1;hb=98bd9c0c8985c50c42231c116a4e18fedd47761e;hp=5bcbcb8e03917701eb93ce43c59cba2122ecd1d7;hpb=299be32b18208d103c915a7b5e93432065a3359d;p=tpg%2Facess2.git diff --git a/KernelLand/Kernel/debug.c b/KernelLand/Kernel/debug.c index 5bcbcb8e..3db53876 100644 --- a/KernelLand/Kernel/debug.c +++ b/KernelLand/Kernel/debug.c @@ -4,24 +4,23 @@ */ #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 LOCK_DEBUG_OUTPUT 0 // Avoid interleaving of output lines? +#define TRACE_TO_KTERM 0 // Send ENTER/DEBUG/LEAVE/Debug to the VTerm // === 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); 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 === @@ -77,31 +76,26 @@ static void Debug_Puts(int UseKTerm, const char *Str) IPStack_SendDebugText(Str); // Output to the kernel terminal - if( UseKTerm && gbDebug_IsKPanic < 2 && giDebug_KTerm != -1) + if( UseKTerm && gbDebug_IsKPanic < 2 && giDebug_KTerm != -1 && gbInPutChar == 0) { - if(gbInPutChar) return ; gbInPutChar = 1; VFS_Write(giDebug_KTerm, len, Str); gbInPutChar = 0; } } -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]; buf[DEBUG_MAX_LINE_LEN-1] = 0; - int len = vsnprintf(buf, DEBUG_MAX_LINE_LEN-1, format, args); + size_t 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 false; } - return ; + return true; } void Debug_FmtS(int bUseKTerm, const char *format, ...) @@ -131,25 +125,27 @@ void Debug_KernelPanic(void) /** * \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 ; + if(CPU_HAS_LOCK(&glDebug_Lock)) { + Debug_Puts("[#]"); + 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, ...) @@ -164,12 +160,11 @@ void Debug(const char *Fmt, ...) SHORTLOCK(&glDebug_Lock); #endif - Debug_Puts(0, "Debug: "); + Debug_Puts(TRACE_TO_KTERM, "Debug: "); va_start(args, Fmt); - Debug_DbgOnlyFmt(Fmt, args); + Debug_Fmt(TRACE_TO_KTERM, Fmt, args); va_end(args); - Debug_PutCharDebug('\r'); - Debug_PutCharDebug('\n'); + Debug_Puts(TRACE_TO_KTERM, "\r\n"); #if LOCK_DEBUG_OUTPUT SHORTREL(&glDebug_Lock); #endif @@ -249,12 +244,12 @@ void Panic(const char *Fmt, ...) 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"); Proc_PrintBacktrace(); //Threads_Dump(); @@ -265,16 +260,13 @@ void Panic(const char *Fmt, ...) void Debug_SetKTerminal(const char *File) { - int tmp; if(giDebug_KTerm != -1) { - tmp = giDebug_KTerm; + // Clear FD to -1 before closing (prevents writes to closed FD) + int oldfd = giDebug_KTerm; giDebug_KTerm = -1; - VFS_Close(tmp); + VFS_Close(oldfd); } - tmp = VFS_Open(File, VFS_OPENFLAG_WRITE); -// Log_Log("Debug", "Opened '%s' as 0x%x", File, tmp); - giDebug_KTerm = tmp; -// Log_Log("Debug", "Returning to %p", __builtin_return_address(0)); + giDebug_KTerm = VFS_Open(File, VFS_OPENFLAG_WRITE); } void Debug_Enter(const char *FuncName, const char *ArgTypes, ...) @@ -431,16 +423,16 @@ 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],