X-Git-Url: https://git.ucc.asn.au/?a=blobdiff_plain;f=Kernel%2Farch%2Fx86%2Firq.c;h=381b157988c4d579b8b76634e22cf1fbd89a1f8b;hb=30e2436921e53b149d65403430048e39a44cad4b;hp=586768eaa2de34b0a0fe6b327b1b0d45879bb43e;hpb=466eda7c917791866a29c253c6c22197faf41bf7;p=tpg%2Facess2.git

diff --git a/Kernel/arch/x86/irq.c b/Kernel/arch/x86/irq.c
index 586768ea..381b1579 100644
--- a/Kernel/arch/x86/irq.c
+++ b/Kernel/arch/x86/irq.c
@@ -2,14 +2,18 @@
  * AcessOS Microkernel Version
  * irq.c
  */
-#include <common.h>
+#include <acess.h>
 
 // === CONSTANTS ===
 #define	MAX_CALLBACKS_PER_IRQ	4
+#define TRACE_IRQS	0
 
 // === TYPES ===
 typedef void (*tIRQ_Callback)(int);
 
+// === PROTOTYPES ===
+void	IRQ_Handler(tRegs *Regs);
+
 // === GLOBALS ===
 tIRQ_Callback	gIRQ_Handlers[16][MAX_CALLBACKS_PER_IRQ];
 
@@ -21,21 +25,27 @@ tIRQ_Callback	gIRQ_Handlers[16][MAX_CALLBACKS_PER_IRQ];
 void IRQ_Handler(tRegs *Regs)
 {
 	 int	i;
-	
+
 	Regs->int_num -= 0xF0;	// Adjust
-	
+
 	//Log("IRQ_Handler: (Regs={int_num:%i})", Regs->int_num);
-	
+
 	for( i = 0; i < MAX_CALLBACKS_PER_IRQ; i++ )
 	{
-		//Log(" IRQ_Handler: Call %p", gIRQ_Handlers[Regs->int_num][i]);
-		if( gIRQ_Handlers[Regs->int_num][i] )
+		if( gIRQ_Handlers[Regs->int_num][i] ) {
 			gIRQ_Handlers[Regs->int_num][i](Regs->int_num);
+			#if TRACE_IRQS
+			if( Regs->int_num != 8 )
+				Log("IRQ %i: Call %p", Regs->int_num, gIRQ_Handlers[Regs->int_num][i]);
+			#endif
+		}
 	}
-	
+
+	//Log(" IRQ_Handler: Resetting");
 	if(Regs->int_num >= 8)
 		outb(0xA0, 0x20);	// ACK IRQ (Secondary PIC)
 	outb(0x20, 0x20);	// ACK IRQ
+	//Log("IRQ_Handler: RETURN");
 }
 
 /**
@@ -47,10 +57,12 @@ int IRQ_AddHandler( int Num, void (*Callback)(int) )
 	for( i = 0; i < MAX_CALLBACKS_PER_IRQ; i++ )
 	{
 		if( gIRQ_Handlers[Num][i] == NULL ) {
+			Log_Log("IRQ", "Added IRQ%i Cb#%i %p", Num, i, Callback);
 			gIRQ_Handlers[Num][i] = Callback;
 			return 1;
 		}
 	}
-	
+
+	Log_Warning("IRQ", "No free callbacks on IRQ%i", Num);
 	return 0;
 }