X-Git-Url: https://git.ucc.asn.au/?a=blobdiff_plain;f=Kernel%2Farch%2Fx86%2Firq.c;h=e2dcf0e31f68c585dc3871d0f7fb584c061858f1;hb=e957c67ea0f63a668303d087af7ee0c7ecff1f01;hp=381b157988c4d579b8b76634e22cf1fbd89a1f8b;hpb=9d85201216cb35e1b1e051b1d7cdc38eaa5befa4;p=tpg%2Facess2.git

diff --git a/Kernel/arch/x86/irq.c b/Kernel/arch/x86/irq.c
index 381b1579..e2dcf0e3 100644
--- a/Kernel/arch/x86/irq.c
+++ b/Kernel/arch/x86/irq.c
@@ -9,13 +9,14 @@
 #define TRACE_IRQS	0
 
 // === TYPES ===
-typedef void (*tIRQ_Callback)(int);
+typedef void (*tIRQ_Callback)(int, void *);
 
 // === PROTOTYPES ===
 void	IRQ_Handler(tRegs *Regs);
 
 // === GLOBALS ===
 tIRQ_Callback	gIRQ_Handlers[16][MAX_CALLBACKS_PER_IRQ];
+void	*gaIRQ_DataPointers[16][MAX_CALLBACKS_PER_IRQ];
 
 // === CODE ===
 /**
@@ -24,25 +25,23 @@ tIRQ_Callback	gIRQ_Handlers[16][MAX_CALLBACKS_PER_IRQ];
  */
 void IRQ_Handler(tRegs *Regs)
 {
-	 int	i;
-
-	Regs->int_num -= 0xF0;	// Adjust
+	 int	i, irq = Regs->int_num - 0xF0;
 
 	//Log("IRQ_Handler: (Regs={int_num:%i})", Regs->int_num);
 
 	for( i = 0; i < MAX_CALLBACKS_PER_IRQ; i++ )
 	{
-		if( gIRQ_Handlers[Regs->int_num][i] ) {
-			gIRQ_Handlers[Regs->int_num][i](Regs->int_num);
+		if( gIRQ_Handlers[irq][i] ) {
+			gIRQ_Handlers[irq][i](irq, gaIRQ_DataPointers[irq][i]);
 			#if TRACE_IRQS
-			if( Regs->int_num != 8 )
+			if( irq != 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)
+	if(irq >= 8)
 		outb(0xA0, 0x20);	// ACK IRQ (Secondary PIC)
 	outb(0x20, 0x20);	// ACK IRQ
 	//Log("IRQ_Handler: RETURN");
@@ -51,7 +50,7 @@ void IRQ_Handler(tRegs *Regs)
 /**
  * \fn int IRQ_AddHandler( int Num, void (*Callback)(int) )
  */
-int IRQ_AddHandler( int Num, void (*Callback)(int) )
+int IRQ_AddHandler( int Num, void (*Callback)(int, void*), void *Ptr )
 {
 	 int	i;
 	for( i = 0; i < MAX_CALLBACKS_PER_IRQ; i++ )
@@ -59,6 +58,7 @@ int IRQ_AddHandler( int Num, void (*Callback)(int) )
 		if( gIRQ_Handlers[Num][i] == NULL ) {
 			Log_Log("IRQ", "Added IRQ%i Cb#%i %p", Num, i, Callback);
 			gIRQ_Handlers[Num][i] = Callback;
+			gaIRQ_DataPointers[Num][i] = Ptr;
 			return 1;
 		}
 	}