+++ /dev/null
-/*
- * AcessOS Microkernel Version
- * debug.c
- */
-#include <acess.h>
-#include <stdarg.h>
-
-#define DEBUG_TO_E9 1
-#define DEBUG_TO_SERIAL 1
-#define SERIAL_PORT 0x3F8
-
-// === IMPORTS ===
-extern void Threads_Dump();
-
-// === GLOBALS ===
- int gDebug_Level = 0;
- int giDebug_KTerm = -1;
- int gbDebug_SerialSetup = 0;
-
-// === CODE ===
-static void E9(char ch)
-{
- if(giDebug_KTerm != -1)
- VFS_Write(giDebug_KTerm, 1, &ch);
-
- #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, ch);
- #endif
-
- #if DEBUG_TO_E9
- __asm__ __volatile__ ( "outb %%al, $0xe9" :: "a"(((Uint8)ch)) );
- #endif
-}
-
-static void E9_Str(char *Str)
-{
- while(*Str) E9(*Str++);
-}
-
-void E9_Fmt(const char *format, va_list *args)
-{
- char c, pad = ' ';
- int minSize = 0;
- char tmpBuf[34]; // For Integers
- char *p = NULL;
- int isLongLong = 0;
- Uint64 arg;
-
- while((c = *format++) != 0)
- {
- // Non control character
- if( c != '%' ) {
- E9(c);
- continue;
- }
-
- c = *format++;
-
- // Literal %
- if(c == '%') {
- E9('%');
- continue;
- }
-
- // Pointer
- if(c == 'p') {
- Uint ptr = va_arg(*args, Uint);
- E9('*'); E9('0'); E9('x');
- p = tmpBuf;
- itoa(p, ptr, 16, BITS/4, '0');
- goto printString;
- }
-
- // Get Argument
- arg = va_arg(*args, Uint);
-
- // 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) ) {
- E9('-');
- 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;
-
- case 'B': //Boolean
- if(arg) E9_Str("True");
- else E9_Str("False");
- break;
-
- case 's':
- p = (char*)(Uint)arg;
- printString:
- if(!p) p = "(null)";
- while(*p) E9(*p++);
- break;
-
- // Single Character / Array
- case 'c':
- if(minSize == 1) {
- E9(arg);
- break;
- }
- p = (char*)(Uint)arg;
- if(!p) goto printString;
- while(minSize--) E9(*p++);
- break;
-
- default: E9(arg); break;
- }
- }
-}
-
-/**
- * \fn void LogV(char *Fmt, va_list Args)
- */
-void LogV(char *Fmt, va_list Args)
-{
- E9_Str("Log: ");
- E9_Fmt(Fmt, &Args);
- E9('\n');
-}
-/**
- * \fn void LogF(char *Msg, ...)
- */
-void LogF(char *Fmt, ...)
-{
- va_list args;
-
- va_start(args, Fmt);
-
- E9_Fmt(Fmt, &args);
-
- va_end(args);
-}
-/**
- * \fn void Log(char *Msg, ...)
- */
-void Log(char *Fmt, ...)
-{
- va_list args;
-
- E9_Str("Log: ");
- va_start(args, Fmt);
- E9_Fmt(Fmt, &args);
- va_end(args);
- E9('\n');
-}
-void Warning(char *Fmt, ...)
-{
- va_list args;
- E9_Str("Warning: ");
- va_start(args, Fmt);
- E9_Fmt(Fmt, &args);
- va_end(args);
- E9('\n');
-}
-void Panic(char *Fmt, ...)
-{
- va_list args;
- E9_Str("Panic: ");
- va_start(args, Fmt);
- E9_Fmt(Fmt, &args);
- va_end(args);
- E9('\n');
-
- Threads_Dump();
-
- __asm__ __volatile__ ("xchg %bx, %bx");
- __asm__ __volatile__ ("cli;\n\thlt");
- for(;;) __asm__ __volatile__ ("hlt");
-}
-
-void Debug_SetKTerminal(char *File)
-{
- if(giDebug_KTerm != -1)
- VFS_Close(giDebug_KTerm);
- giDebug_KTerm = VFS_Open(File, VFS_OPENFLAG_WRITE);
- Log("Opened '%s' as 0x%x", File, giDebug_KTerm);
-}
-
-void Debug_Enter(char *FuncName, char *ArgTypes, ...)
-{
- va_list args;
- int i = gDebug_Level ++;
- int pos;
-
- va_start(args, ArgTypes);
-
- while(i--) E9(' ');
-
- E9_Str(FuncName); E9_Str(": (");
-
- while(*ArgTypes)
- {
- pos = strpos(ArgTypes, ' ');
- if(pos != -1) ArgTypes[pos] = '\0';
- if(pos == -1 || pos > 1) {
- E9_Str(ArgTypes+1);
- E9('=');
- }
- if(pos != -1) ArgTypes[pos] = ' ';
- switch(*ArgTypes)
- {
- case 'p': E9_Fmt("%p", &args); break;
- case 's': E9_Fmt("'%s'", &args); break;
- case 'i': E9_Fmt("%i", &args); break;
- case 'u': E9_Fmt("%u", &args); break;
- case 'x': E9_Fmt("0x%x", &args); break;
- case 'b': E9_Fmt("0b%b", &args); break;
- // Extended (64-Bit)
- case 'X': E9_Fmt("0x%llx", &args); break;
- case 'B': E9_Fmt("0b%llb", &args); break;
- }
- if(pos != -1) {
- E9(','); E9(' ');
- }
-
- if(pos == -1) break;
- ArgTypes = &ArgTypes[pos+1];
- }
-
- va_end(args);
- E9(')'); E9('\n');
-}
-
-void Debug_Log(char *FuncName, char *Fmt, ...)
-{
- va_list args;
- int i = gDebug_Level;
-
- va_start(args, Fmt);
-
- while(i--) E9(' ');
-
- E9_Str(FuncName); E9_Str(": ");
- E9_Fmt(Fmt, &args);
-
- va_end(args);
- E9('\n');
-}
-
-void Debug_Leave(char *FuncName, char RetType, ...)
-{
- va_list args;
- int i = --gDebug_Level;
-
- va_start(args, RetType);
-
- if( i == -1 ) {
- gDebug_Level = 0;
- i = 0;
- }
- // Indenting
- while(i--) E9(' ');
-
- E9_Str(FuncName); E9_Str(": RETURN");
-
- // No Return
- if(RetType == '-') {
- E9('\n');
- return;
- }
-
- E9(' ');
- switch(RetType)
- {
- case 'n': E9_Str("NULL"); break;
- case 'p': E9_Fmt("%p", &args); break;
- case 's': E9_Fmt("'%s'", &args); break;
- case 'i': E9_Fmt("%i", &args); break;
- case 'u': E9_Fmt("%u", &args); break;
- case 'x': E9_Fmt("0x%x", &args); break;
- // Extended (64-Bit)
- case 'X': E9_Fmt("0x%llx", &args); break;
- }
- E9('\n');
-
- va_end(args);
-}
-
-void Debug_HexDump(char *Header, void *Data, Uint Length)
-{
- Uint8 *cdat = Data;
- Uint pos = 0;
- E9_Str(Header);
- LogF(" (Hexdump of %p)\n", Data);
-
- while(Length >= 16)
- {
- Log("%04x: %02x %02x %02x %02x %02x %02x %02x %02x %02x %02x %02x %02x %02x %02x %02x %02x",
- pos,
- cdat[0], cdat[1], cdat[2], cdat[3], cdat[4], cdat[5], cdat[6], cdat[7],
- cdat[8], cdat[9], cdat[10], cdat[11], cdat[12], cdat[13], cdat[14], cdat[15]
- );
- Length -= 16;
- cdat += 16;
- pos += 16;
- }
-
- LogF("Log: %04x: ", pos);
- while(Length)
- {
- Uint byte = *cdat;
- LogF("%02x ", byte);
- Length--;
- cdat ++;
- }
- E9('\n');
-}
-
-// --- EXPORTS ---
-EXPORT(Log);
-EXPORT(Warning);
-EXPORT(Debug_Enter);
-EXPORT(Debug_Log);
-EXPORT(Debug_Leave);
git.ucc.asn.au / tpg / acess2.git / blobdiff
UCC git Repository :: git.ucc.asn.au