Added current time syscall, commented some others
[tpg/acess2.git] / Kernel / debug.c
index b9e5cdc..e4f92a7 100644 (file)
@@ -9,7 +9,7 @@
 #define DEBUG_TO_SERIAL        1
 #define        SERIAL_PORT     0x3F8
 #define        GDB_SERIAL_PORT 0x2F8
-#define DEBUG_USE_VSNPRINTF    1
+#define DEBUG_USE_VSNPRINTF    0
 #define        DEBUG_MAX_LINE_LEN      256
 
 // === IMPORTS ===
@@ -19,9 +19,9 @@ extern void   KernelPanic_PutChar(char Ch);
 
 // === PROTOTYPES ===
  int   putDebugChar(char ch);
- int   getDebugChar();
+ int   getDebugChar(void);
 static void    Debug_Putchar(char ch);
-static void    Debug_Puts(char *Str);
+static void    Debug_Puts(int DbgOnly, char *Str);
 void   Debug_Fmt(const char *format, va_list args);
 
 // === GLOBALS ===
@@ -49,7 +49,7 @@ int putDebugChar(char ch)
        outb(GDB_SERIAL_PORT, ch);
        return 0;
 }
-int getDebugChar()
+int getDebugChar(void)
 {
        if(!gbGDB_SerialSetup) {
                outb(GDB_SERIAL_PORT + 1, 0x00);    // Disable all interrupts
@@ -65,7 +65,7 @@ int getDebugChar()
        return inb(GDB_SERIAL_PORT);
 }
 
-static void Debug_Putchar(char ch)
+static void Debug_PutCharDebug(char ch)
 {
        #if DEBUG_TO_E9
        __asm__ __volatile__ ( "outb %%al, $0xe9" :: "a"(((Uint8)ch)) );
@@ -85,7 +85,11 @@ static void Debug_Putchar(char ch)
        while( (inb(SERIAL_PORT + 5) & 0x20) == 0 );
        outb(SERIAL_PORT, ch);
        #endif
-       
+}
+
+static void Debug_Putchar(char ch)
+{      
+       Debug_PutCharDebug(ch);
        if( !gbDebug_IsKPanic )
        {
                if(gbInPutChar) return ;
@@ -98,29 +102,12 @@ static void Debug_Putchar(char ch)
                KernelPanic_PutChar(ch);
 }
 
-static void Debug_Puts(char *Str)
+static void Debug_Puts(int UseKTerm, char *Str)
 {
         int    len = 0;
        while( *Str )
        {
-               #if DEBUG_TO_E9
-               __asm__ __volatile__ ( "outb %%al, $0xe9" :: "a" ((Uint8)*Str) );
-               #endif
-               
-               #if DEBUG_TO_SERIAL
-               if(!gbDebug_SerialSetup) {
-                       outb(SERIAL_PORT + 1, 0x00);    // Disable all interrupts
-                       outb(SERIAL_PORT + 3, 0x80);    // Enable DLAB (set baud rate divisor)
-                       outb(SERIAL_PORT + 0, 0x03);    // Set divisor to 3 (lo byte) 38400 baud
-                       outb(SERIAL_PORT + 1, 0x00);    //                  (hi byte)
-                       outb(SERIAL_PORT + 3, 0x03);    // 8 bits, no parity, one stop bit
-                       outb(SERIAL_PORT + 2, 0xC7);    // Enable FIFO with 14-byte threshold and clear it
-                       outb(SERIAL_PORT + 4, 0x0B);    // IRQs enabled, RTS/DSR set
-                       gbDebug_SerialSetup = 1;
-               }
-               while( (inb(SERIAL_PORT + 5) & 0x20) == 0 );
-               outb(SERIAL_PORT, *Str);
-               #endif
+               Debug_PutCharDebug( *Str );
                
                if( gbDebug_IsKPanic )
                        KernelPanic_PutChar(*Str);
@@ -130,7 +117,7 @@ static void Debug_Puts(char *Str)
        
        Str -= len;
        
-       if( !gbDebug_IsKPanic && giDebug_KTerm != -1)
+       if( UseKTerm && !gbDebug_IsKPanic && giDebug_KTerm != -1)
        {
                if(gbInPutChar) return ;
                gbInPutChar = 1;
@@ -139,151 +126,27 @@ static void Debug_Puts(char *Str)
        }
 }
 
+void Debug_DbgOnlyFmt(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
+       Debug_Puts(0, buf);
+}
+
 void Debug_Fmt(const char *format, va_list args)
 {
-       #if DEBUG_USE_VSNPRINTF
        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
-       Debug_Puts(buf);
+       Debug_Puts(1, buf);
        return ;
-       #else
-       char    c, pad = ' ';
-        int    minSize = 0, len;
-       char    tmpBuf[34];     // For Integers
-       char    *p = NULL;
-        int    isLongLong = 0;
-       Uint64  arg;
-        int    bPadLeft = 0;
-
-       while((c = *format++) != 0)
-       {
-               // Non control character
-               if( c != '%' ) {
-                       Debug_Putchar(c);
-                       continue;
-               }
-
-               c = *format++;
-
-               // Literal %
-               if(c == '%') {
-                       Debug_Putchar('%');
-                       continue;
-               }
-
-               // Pointer
-               if(c == 'p') {
-                       Uint    ptr = va_arg(*args, Uint);
-                       Debug_Putchar('*');     Debug_Putchar('0');     Debug_Putchar('x');
-                       p = tmpBuf;
-                       itoa(p, ptr, 16, BITS/4, '0');
-                       goto printString;
-               }
-
-               // Get Argument
-               arg = va_arg(*args, Uint);
-
-               // - Padding Side Flag
-               if(c == '+') {
-                       bPadLeft = 1;
-                       c = *format++;
-               }
-
-               // Padding
-               if(c == '0') {
-                       pad = '0';
-                       c = *format++;
-               } else
-                       pad = ' ';
-
-               // Minimum length
-               minSize = 1;
-               if('1' <= c && c <= '9')
-               {
-                       minSize = 0;
-                       while('0' <= c && c <= '9')
-                       {
-                               minSize *= 10;
-                               minSize += c - '0';
-                               c = *format++;
-                       }
-               }
-
-               // Long (default)
-               isLongLong = 0;
-               if(c == 'l') {
-                       c = *format++;
-                       if(c == 'l') {
-                               #if BITS == 32
-                               arg |= va_arg(*args, Uint);
-                               #endif
-                               c = *format++;
-                               isLongLong = 1;
-                       }
-               }
-
-               p = tmpBuf;
-               switch (c) {
-               case 'd':
-               case 'i':
-                       if( (isLongLong && arg >> 63) || (!isLongLong && arg >> 31) ) {
-                               Debug_Putchar('-');
-                               arg = -arg;
-                       }
-                       itoa(p, arg, 10, minSize, pad);
-                       goto printString;
-               case 'u':
-                       itoa(p, arg, 10, minSize, pad);
-                       goto printString;
-               case 'x':
-                       itoa(p, arg, 16, minSize, pad);
-                       goto printString;
-               case 'o':
-                       itoa(p, arg, 8, minSize, pad);
-                       goto printString;
-               case 'b':
-                       itoa(p, arg, 2, minSize, pad);
-                       goto printString;
-
-               printString:
-                       if(!p)          p = "(null)";
-                       while(*p)       Debug_Putchar(*p++);
-                       break;
-
-               case 'B':       //Boolean
-                       if(arg) Debug_Puts("True");
-                       else    Debug_Puts("False");
-                       break;
-
-               case 's':
-                       p = (char*)(Uint)arg;
-                       if(!p)          p = "(null)";
-                       len = strlen(p);
-                       if( !bPadLeft ) while(len++ < minSize)  Debug_Putchar(pad);
-                       while(*p)       Debug_Putchar(*p++);
-                       if( bPadLeft )  while(len++ < minSize)  Debug_Putchar(pad);
-                       break;
-
-               // Single Character / Array
-               case 'c':
-                       if(minSize == 1) {
-                               Debug_Putchar(arg);
-                               break;
-                       }
-                       p = (char*)(Uint)arg;
-                       if(!p)  goto printString;
-                       while(minSize--)        Debug_Putchar(*p++);
-                       break;
-
-               default:
-                       Debug_Putchar(arg);
-                       break;
-               }
-    }
-    #endif
 }
 
 void Debug_KernelPanic()
@@ -305,6 +168,20 @@ void LogF(char *Fmt, ...)
 
        va_end(args);
 }
+/**
+ * \fn void Debug(char *Msg, ...)
+ * \brief Print only to the debug channel
+ */
+void Debug(char *Fmt, ...)
+{
+       va_list args;
+
+       Debug_Puts(0, "Debug: ");
+       va_start(args, Fmt);
+       Debug_DbgOnlyFmt(Fmt, args);
+       va_end(args);
+       Debug_PutCharDebug('\n');
+}
 /**
  * \fn void Log(char *Msg, ...)
  */
@@ -312,7 +189,7 @@ void Log(char *Fmt, ...)
 {
        va_list args;
 
-       Debug_Puts("Log: ");
+       Debug_Puts(1, "Log: ");
        va_start(args, Fmt);
        Debug_Fmt(Fmt, args);
        va_end(args);
@@ -321,7 +198,7 @@ void Log(char *Fmt, ...)
 void Warning(char *Fmt, ...)
 {
        va_list args;
-       Debug_Puts("Warning: ");
+       Debug_Puts(1, "Warning: ");
        va_start(args, Fmt);
        Debug_Fmt(Fmt, args);
        va_end(args);
@@ -333,7 +210,7 @@ void Panic(char *Fmt, ...)
        
        Debug_KernelPanic();
        
-       Debug_Puts("Panic: ");
+       Debug_Puts(1, "Panic: ");
        va_start(args, Fmt);
        Debug_Fmt(Fmt, args);
        va_end(args);
@@ -370,28 +247,27 @@ void Debug_Enter(char *FuncName, char *ArgTypes, ...)
 
        while(i--)      Debug_Putchar(' ');
 
-       Debug_Puts(FuncName);   Debug_Puts(": (");
+       Debug_Puts(1, FuncName);        Debug_Puts(1, ": (");
 
        while(*ArgTypes)
        {
                pos = strpos(ArgTypes, ' ');
                if(pos != -1)   ArgTypes[pos] = '\0';
                if(pos == -1 || pos > 1) {
-                       Debug_Puts(ArgTypes+1);
+                       Debug_Puts(1, ArgTypes+1);
                        Debug_Putchar('=');
                }
                if(pos != -1)   ArgTypes[pos] = ' ';
                switch(*ArgTypes)
                {
-               case 'p':       Debug_Fmt("%p", args);  break;
-               case 's':       Debug_Fmt("'%s'", args);        break;
-               case 'i':       Debug_Fmt("%i", args);  break;
-               case 'u':       Debug_Fmt("%u", args);  break;
-               case 'x':       Debug_Fmt("0x%x", args);        break;
-               case 'b':       Debug_Fmt("0b%b", args);        break;
-               // Extended (64-Bit)
-               case 'X':       Debug_Fmt("0x%llx", args);      break;
-               case 'B':       Debug_Fmt("0b%llb", args);      break;
+               case 'p':       LogF("%p", va_arg(args, void*));        break;
+               case 's':       LogF("'%s'", va_arg(args, char*));      break;
+               case 'i':       LogF("%i", va_arg(args, int));  break;
+               case 'u':       LogF("%u", va_arg(args, Uint)); break;
+               case 'x':       LogF("0x%x", va_arg(args, Uint));       break;
+               case 'b':       LogF("0b%b", va_arg(args, Uint));       break;
+               case 'X':       LogF("0x%llx", va_arg(args, Uint64));   break;  // Extended (64-Bit)
+               case 'B':       LogF("0b%llb", va_arg(args, Uint64));   break;  // Extended (64-Bit)
                }
                if(pos != -1) {
                        Debug_Putchar(',');     Debug_Putchar(' ');
@@ -414,7 +290,7 @@ void Debug_Log(char *FuncName, char *Fmt, ...)
 
        while(i--)      Debug_Putchar(' ');
 
-       Debug_Puts(FuncName);   Debug_Puts(": ");
+       Debug_Puts(1, FuncName);        Debug_Puts(1, ": ");
        Debug_Fmt(Fmt, args);
 
        va_end(args);
@@ -435,7 +311,7 @@ void Debug_Leave(char *FuncName, char RetType, ...)
        // Indenting
        while(i--)      Debug_Putchar(' ');
 
-       Debug_Puts(FuncName);   Debug_Puts(": RETURN");
+       Debug_Puts(1, FuncName);        Debug_Puts(1, ": RETURN");
 
        // No Return
        if(RetType == '-') {
@@ -446,7 +322,7 @@ void Debug_Leave(char *FuncName, char RetType, ...)
        Debug_Putchar(' ');
        switch(RetType)
        {
-       case 'n':       Debug_Puts("NULL");     break;
+       case 'n':       Debug_Puts(1, "NULL");  break;
        case 'p':       Debug_Fmt("%p", args);  break;
        case 's':       Debug_Fmt("'%s'", args);        break;
        case 'i':       Debug_Fmt("%i", args);  break;
@@ -464,7 +340,7 @@ void Debug_HexDump(char *Header, void *Data, Uint Length)
 {
        Uint8   *cdat = Data;
        Uint    pos = 0;
-       Debug_Puts(Header);
+       Debug_Puts(1, Header);
        LogF(" (Hexdump of %p)\n", Data);
 
        while(Length >= 16)
@@ -496,6 +372,7 @@ void Debug_HexDump(char *Header, void *Data, Uint Length)
 }
 
 // --- EXPORTS ---
+EXPORT(Debug);
 EXPORT(Log);
 EXPORT(Warning);
 EXPORT(Debug_Enter);

UCC git Repository :: git.ucc.asn.au