Working odin - x86 only - do 0 and then F5 to avoid startup files

[palacios.git] / palacios / src / geekos / lowlevel.asm

diff --git a/palacios/src/geekos/lowlevel.asm b/palacios/src/geekos/lowlevel.asm
index fe3b61b..1758b8f 100644 (file)
--- 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: 1.5 $
+; $Revision: 1.6 $
 
 ; This is free software.  You are permitted to use,
 ; redistribute, and modify it as specified in the file "COPYING".
@@ -126,6 +126,9 @@ IMPORT Make_Runnable
 ; Function to activate a new user context (if needed).
 IMPORT Switch_To_User_Context
 
+IMPORT SerialPrintHex
+IMPORT SerialPutChar
+
 ; Sizes of interrupt handler entry points for interrupts with
 ; and without error codes.  The code in idt.c uses this
 ; information to infer the layout of the table of interrupt
@@ -457,6 +460,43 @@ Handle_Interrupt:
        mov     [g_needReschedule], dword 0
 
 .restore:
+
+;      push    ebp
+;      mov     ebp, esp
+;      pusha   
+;
+;      mov     eax, 0xa
+;      push    eax
+;      call    SerialPutChar
+;      pop     eax
+;      mov     eax, 0xa
+;      push    eax
+;      call    SerialPutChar
+;      pop     eax
+;
+;        mov     ecx, 4
+;        mov     edx, 24 
+;
+;.loop:
+;      mov     eax, [ebp + ecx]
+;            
+;        push    eax
+;      call    SerialPrintHex
+;      pop     eax
+;
+;      mov     eax, 0xa
+;      push    eax
+;      call    SerialPutChar
+;      pop     eax
+;        
+;        add     ecx, 4
+;      dec     edx
+;      jnz     .loop
+;
+;
+;      popa
+;      pop     ebp
+       
        ; Activate the user context, if necessary.
        Activate_User_Context