+++ /dev/null
-; -*- 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
-%define SVM_ASM
-
-;%include "defs.asm"
-%include "vmm_symbol.asm"
-
-SVM_ERROR equ 0xFFFFFFFF
-SVM_SUCCESS equ 0x00000000
-
-
-
-EXPORT exit_test
-
-EXTERN handle_svm_exit
-
-EXPORT launch_svm
-EXPORT safe_svm_launch
-
-EXPORT STGI
-EXPORT CLGI
-
-
-
-;; These need to be kept similar with the svm return values in svm.h
-SVM_HANDLER_SUCCESS equ 0x00
-SVM_HANDLER_ERROR equ 0x1
-SVM_HANDLER_HALT equ 0x2
-
-[BITS 32]
-
-
-; Save and restore registers needed by SVM
-%macro Save_SVM_Registers 1
- push eax
- mov eax, dword %1
- mov [eax], edi
- mov [eax + 8], esi
- mov [eax + 16], ebp
- mov [eax + 24], dword 0 ;; esp
- mov [eax + 32], ebx
- mov [eax + 40], edx
- mov [eax + 48], ecx
-
- push ebx
- mov ebx, [esp + 4]
- mov [eax + 56], ebx ;; eax
- pop ebx
-
- pop eax
-%endmacro
-
-
-%macro Restore_SVM_Registers 1
- push eax
- mov eax, dword %1
- mov edi, [eax]
- mov esi, [eax + 8]
- mov ebp, [eax + 16]
-;; mov esp, [eax + 24]
- mov ebx, [eax + 32]
- mov edx, [eax + 40]
- mov ecx, [eax + 48]
-;; mov eax, [eax + 56]
- pop eax
-%endmacro
-
-%macro vmrun 0
- db 00fh, 001h, 0d8h
-%endmacro
-
-%macro vmsave 0
- db 00fh, 001h, 0dbh
-%endmacro
-
-%macro vmload 0
- 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
-;STGI equ db 0x0F,0x01,0xDC
-;CLGI equ db 0x0F,0x01,0xDD
-
-
-
-align 8
-CLGI:
- clgi
- ret
-
-align 8
-STGI:
- stgi
- ret
-
-
-
-; I think its safe to say that there are some pretty serious register issues...
-align 8
-launch_svm:
- push ebp
- mov ebp, esp
- pusha
-
- mov eax, [ebp + 8]
- vmrun
-; db 00fh, 001h, 0d8h
- popa
- pop ebp
- ret
-
-
-
-
-exit_test:
- mov cr4, eax
- ret
-
-
-;; Need to check this..
-;; save_svm_launch(rax, struct guest_gprs * regs)
-align 8
-safe_svm_launch:
- push ebp
- mov ebp, esp
- pushf
- push fs
- push gs
- pusha ;; Save Host state
-
-
- push dword [ebp + 12] ;; pointer to the guest GPR save area
- push dword [ebp + 8] ;; pointer to the VMCB pointer
-
-;; mov eax, [esp + 4] ;; mov guest GPR pointer to eax
-
- ;; this is plus 8 because we push eax in the macro
- Restore_SVM_Registers [esp + 8] ;; Restore Guest GPR state
- pop eax ;; pop VMCB pointer into eax
-
- vmload
- vmrun
- vmsave
-
-;; pop eax ;; pop Guest GPR pointer into eax
- ;; this is plus 4 because we push eax in the macro NEED TO CHANGE
- Save_SVM_Registers [esp+4] ;; save guest GPRs
-
- add esp, 4 ;; skip past the gpr ptr
-
- popa ;; Restore Host state
- pop gs
- pop fs
- popf
- pop ebp
- ret
-
-
-
-%endif
-
-
