Palacios Public Git Repository

To checkout Palacios execute

  git clone http://v3vee.org/palacios/palacios.web/palacios.git
This will give you the master branch. You probably want the devel branch or one of the release branches. To switch to the devel branch, simply execute
  cd palacios
  git checkout --track -b devel origin/devel
The other branches are similar.


build reorganization
[palacios.git] / palacios / src / palacios / svm_lowlevel.asm
index 4731571..ac646b2 100644 (file)
@@ -1,4 +1,23 @@
 ;  -*- fundamental -*-
+;; 
+;; This file is part of the Palacios Virtual Machine Monitor developed
+;; by the V3VEE Project with funding from the United States National 
+;; Science Foundation and the Department of Energy.  
+;;
+;; The V3VEE Project is a joint project between Northwestern University
+;; and the University of New Mexico.  You can find out more at 
+;; http://www.v3vee.org
+;;
+;; Copyright (c) 2008, Jack Lange <jarusl@cs.northwestern.edu> 
+;; Copyright (c) 2008, The V3VEE Project <http://www.v3vee.org> 
+;; All rights reserved.
+;;
+;; Author: Jack Lange <jarusl@cs.northwestern.edu>
+;;
+;; This is free software.  You are permitted to use,
+;; redistribute, and modify it as specified in the file "V3VEE_LICENSE".
+;;
+
 
 
 %ifndef SVM_ASM
 SVM_ERROR equ 0xFFFFFFFF
 SVM_SUCCESS equ 0x00000000
 
-EXPORT DisableInts
 
-EXPORT GetGDTR
-EXPORT GetIDTR
-EXPORT GetTR
 
 EXPORT exit_test
 
@@ -23,6 +38,8 @@ EXTERN handle_svm_exit
 EXPORT launch_svm
 EXPORT safe_svm_launch
 
+EXPORT STGI
+EXPORT CLGI
 
 
 
@@ -81,6 +98,14 @@ SVM_HANDLER_HALT equ 0x2
        db      00fh, 001h, 0dah
 %endmacro
 
+%macro stgi 0
+       db      00fh, 001h, 0dch
+%endmacro
+
+%macro clgi 0
+       db      00fh, 001h, 0ddh
+%endmacro
+
 ;VMRUN  equ db 0Fh, 01h, D8h
 ;VMLOAD equ db 0x0F,0x01,0xDA
 ;VMSAVE equ db 0x0F,0x01,0xDB
@@ -88,50 +113,15 @@ SVM_HANDLER_HALT equ 0x2
 ;CLGI   equ db 0x0F,0x01,0xDD
 
 
-align 8
-DisableInts:
-       cli
-       ret
-
-
-align 8
-GetGDTR:
-       push    ebp
-       mov     ebp, esp
-       pusha   
-       mov     ebx, [ebp + 8]
-       sgdt    [ebx]
-       
-       popa
-       pop     ebp
-       ret
-
 
 align 8
-GetIDTR:
-       push    ebp
-       mov     ebp, esp
-       pusha   
-
-       mov     ebx, [ebp + 8]
-       sidt    [ebx]
-       
-       popa
-       pop     ebp
+CLGI:
+       clgi
        ret
 
-
-
 align 8
-GetTR:
-       push    ebp
-       mov     ebp, esp
-       pusha   
-       mov     ebx, [ebp + 8]
-       str     [ebx]
-       
-       popa
-       pop     ebp
+STGI:
+       stgi
        ret
 
 
@@ -165,6 +155,8 @@ safe_svm_launch:
        push    ebp
        mov     ebp, esp
        pushf
+       push    fs
+       push    gs
        pusha                                   ;; Save Host state
 
 
@@ -188,6 +180,8 @@ safe_svm_launch:
        add     esp, 4                          ;; skip past the gpr ptr
        
        popa                                    ;; Restore Host state
+       pop     gs
+       pop     fs
        popf
        pop     ebp
        ret