* AcessOS Microkernel Version
* debug.c
*/
-#include <common.h>
+#include <acess.h>
#include <stdarg.h>
-// === MACROS ===
-#define E9(ch) __asm__ __volatile__ ("outb %%al, $0xe9"::"a"(((Uint8)ch)))
+#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++);
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;
}
}
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;
}
// --- EXPORTS ---
+EXPORT(Log);
EXPORT(Warning);
EXPORT(Debug_Enter);
EXPORT(Debug_Log);