Merge branch 'devel' of ssh://palacios@newskysaw.cs.northwestern.edu/home/palacios...

[palacios.git] / palacios / src / palacios / vmx_lowlevel.asm

diff --git a/palacios/src/palacios/vmx_lowlevel.asm b/palacios/src/palacios/vmx_lowlevel.asm
index 05257c9..94f7432 100644 (file)
--- a/palacios/src/palacios/vmx_lowlevel.asm
+++ b/palacios/src/palacios/vmx_lowlevel.asm
@@ -1,4 +1,22 @@
 ; -*- 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 VMX_ASM
 %define VMX_ASM
@@ -36,150 +54,6 @@ EXPORT SAFE_VM_LAUNCH
 EXPORT Init_VMCS_HostState
 EXPORT Init_VMCS_GuestState
        
-;
-; Enable_VMX - Turn on VMX
-;
-align 8
-Enable_VMX:
-       push    ebp
-       mov     ebp, esp
-       push    ebx
-       mov     ebx, cr4
-       or      ebx, dword 0x00002000
-       mov     cr4, ebx
-       mov     ebx, cr0
-       or      ebx, dword 0x80000021
-       mov     cr0, ebx
-       vmxon   [ebp+8]
-       pop     ebx
-       pop     ebp
-       mov     eax, VMX_SUCCESS
-       jnc     .return
-       mov     eax, VMX_FAIL_INVALID
-.return
-       ret
-
-       
-;
-; VMREAD  - read a value from a VMCS
-;
-align 8
-VMCS_READ:
-       push    ebp
-       mov     ebp, esp
-       push    ecx
-       push    ebx
-
-       mov     ecx, [ebp + 8]
-       mov     ebx,[ebp + 12]
-;      lea     ebx, ebp
-       vmread  [ebx], ecx
-
-       pop     ebx
-       pop     ecx
-       pop     ebp
-       jz      .error_code
-       jc      .error
-
-       mov     eax, VMX_SUCCESS
-       jmp     .return
-.error
-       mov     eax, VMX_FAIL_INVALID
-       jmp     .return
-.error_code
-       mov     eax, VMX_FAIL_VALID
-.return
-       ret
-
-;
-; VMWRITE - write a value to a VMCS
-align 8
-VMCS_WRITE:
-       push    ebp
-       mov     ebp, esp
-       push    ebx
-
-       mov     eax, [ebp + 8]
-       mov     ebx, [ebp + 12]
-       vmwrite eax, [ebx]
-
-       pop     ebx
-       pop     ebp
-       jz      .error_code
-       jc      .error
-
-       mov     eax, VMX_SUCCESS
-       jmp     .return
-.error
-       mov     eax, VMX_FAIL_INVALID
-       jmp     .return
-.error_code
-       mov     eax, VMX_FAIL_VALID
-.return
-       ret
-
-;
-; VMCLEAR - Initializes a VMCS
-;
-align 8
-VMCS_CLEAR:
-       vmclear [esp+4]
-       jz      .error_code
-       jc      .error
-
-       mov     eax, VMX_SUCCESS
-       jmp     .return
-.error
-       mov     eax, VMX_FAIL_INVALID
-       jmp     .return
-.error_code
-       mov     eax, VMX_FAIL_VALID
-.return
-       ret
-
-
-
-;
-; VMCS_LOAD - load a VMCS 
-;
-align 8
-VMCS_LOAD:
-       vmptrld [esp+4]
-       jz      .error_code
-       jc      .error
-
-       mov     eax, VMX_SUCCESS
-       jmp     .return
-.error
-       mov     eax, VMX_FAIL_INVALID
-       jmp     .return
-.error_code
-       mov     eax, VMX_FAIL_VALID
-.return
-       ret
-
-
-
-;
-; VMCS_STORE - Store a VMCS
-;
-align 8
-VMCS_STORE:
-       mov     eax, [esp+4]
-       vmptrst [eax]
-       jz      .error_code
-       jc      .error
-
-       mov     eax, VMX_SUCCESS
-       jmp     .return
-.error
-       mov     eax, VMX_FAIL_INVALID
-       jmp     .return
-.error_code
-       mov     eax, VMX_FAIL_VALID
-.return
-       ret
-
 
 ;
 ; VMCS_LAUNCH
@@ -737,7 +611,18 @@ InitHostSelectors:
        jz      .error_code
        jc      .error
 
-       mov     ebx, VMCS_HOST_SS_SELECTOR
+       mov     ebx, VMCS_HOST_SS_SELECTOR;
+    PrintDebug("VMX revision: 0x%p\n", (void*)vmxon_ptr);
+
+    if (v3_enable_vmx(vmxon_ptr) == 0) {
+        PrintDebug("VMX Enabled\n");
+    } else {
+        PrintError("VMX initialization failure\n");
+        return;
+    }
+       
+
+
        mov     eax, ss
        vmwrite ebx, eax
        jz      .error_code