X-Git-Url: http://v3vee.org/palacios/gitweb/gitweb.cgi?p=palacios.git;a=blobdiff_plain;f=palacios%2Fsrc%2Fgeekos%2Flowlevel.asm;h=1e2f409d50d258853fe2818c68c36f03ee1e4cec;hp=1758b8f470459f73016e2d27dfd087a7d61d140e;hb=a4b341afa075a6620dd087ee3a8ed850730c05c7;hpb=645c766b13d15fd70cd360e577eac1f62e07149f

diff --git a/palacios/src/geekos/lowlevel.asm b/palacios/src/geekos/lowlevel.asm
index 1758b8f..1e2f409 100644
--- a/palacios/src/geekos/lowlevel.asm
+++ b/palacios/src/geekos/lowlevel.asm
@@ -2,7 +2,7 @@
 ; Low level interrupt/thread handling code for GeekOS.
 ; Copyright (c) 2001,2003,2004 David H. Hovemeyer <daveho@cs.umd.edu>
 ; Copyright (c) 2003, Jeffrey K. Hollingsworth <hollings@cs.umd.edu>
-; $Revision: 1.6 $
+; $Revision: 1.7 $
 
 ; This is free software.  You are permitted to use,
 ; redistribute, and modify it as specified in the file "COPYING".
@@ -126,6 +126,7 @@ IMPORT Make_Runnable
 ; Function to activate a new user context (if needed).
 IMPORT Switch_To_User_Context
 
+; Debug functions
 IMPORT SerialPrintHex
 IMPORT SerialPutChar
 
@@ -424,6 +425,17 @@ Handle_Interrupt:
 	mov	esi, [esp+REG_SKIP]	; get interrupt number
 	mov	ebx, [eax+esi*4]	; get address of handler function
 
+	push	esi
+	call	SerialPrintHex
+	pop	esi
+
+	push 	eax
+	mov	eax, 0xa
+	push 	eax
+	call 	SerialPutChar
+	pop	eax
+	pop	eax
+
 	; Call the handler.
 	; The argument passed is a pointer to an Interrupt_State struct,
 	; which describes the stack layout for all interrupts.
@@ -503,6 +515,21 @@ Handle_Interrupt:
 	; Restore registers
 	Restore_Registers
 
+
+	pusha	
+
+	mov	eax, 0xaa
+	push 	eax
+	call	SerialPrintHex
+	pop	eax
+
+	mov	eax, 0xa
+	push 	eax
+	call 	SerialPutChar
+	pop	eax
+
+	popa
+
 	; Return from the interrupt.
 	iret