X-Git-Url: https://git.ucc.asn.au/?a=blobdiff_plain;ds=sidebyside;f=Kernel%2Fdebug.c;h=e4f92a7a421238d6c7d3db95ea58a5ea8dc61fa4;hb=a4a71f89713c34454ef254bbb1a1ea9ed773fa1b;hp=b9e5cdc6fd9c60d441df3b5080e7a370598e61f8;hpb=b98fbd4e9c71447d81fc9bd643fb174c76346e0f;p=tpg%2Facess2.git diff --git a/Kernel/debug.c b/Kernel/debug.c index b9e5cdc6..e4f92a7a 100644 --- a/Kernel/debug.c +++ b/Kernel/debug.c @@ -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);