+++ /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 VMM_ASM
-%define VMM_ASM
-
-%include "vmm_symbol.asm"
-
-EXPORT DisableInts
-EXPORT EnableInts
-
-EXPORT GetGDTR
-EXPORT GetIDTR
-EXPORT GetTR
-
-
-; CPUID functions
-EXPORT cpuid_ecx
-EXPORT cpuid_eax
-EXPORT cpuid_edx
-
-; Utility Functions
-EXPORT Set_MSR
-EXPORT Get_MSR
-
-
-
-align 8
-DisableInts:
- cli
- ret
-
-
-align 8
-EnableInts:
- sti
- 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
- ret
-
-
-
-align 8
-GetTR:
- push ebp
- mov ebp, esp
- pusha
- mov ebx, [ebp + 8]
- str [ebx]
-
- popa
- pop ebp
- ret
-
-
-;
-; cpuid_edx - return the edx register from cpuid
-;
-align 8
-cpuid_edx:
- push ebp
- mov ebp, esp
- push edx
- push ecx
- push ebx
-
- mov eax, [ebp + 8]
- cpuid
- mov eax, edx
-
- pop ebx
- pop ecx
- pop edx
- pop ebp
- ret
-
-
-;
-; cpuid_ecx - return the ecx register from cpuid
-;
-align 8
-cpuid_ecx:
- push ebp
- mov ebp, esp
- push edx
- push ecx
- push ebx
-
- mov eax, [ebp + 8]
- cpuid
- mov eax, ecx
-
- pop ebx
- pop ecx
- pop edx
- pop ebp
- ret
-
-;
-; cpuid_eax - return the eax register from cpuid
-;
-align 8
-cpuid_eax:
- push ebp
- mov ebp, esp
- push edx
- push ecx
- push ebx
-
- mov eax, [esp+4]
- cpuid
-
- pop ebx
- pop ecx
- pop edx
- pop ebp
- ret
-
-;
-; Set_MSR - Set the value of a given MSR
-;
-align 8
-Set_MSR:
- push ebp
- mov ebp, esp
- pusha
- mov eax, [ebp+16]
- mov edx, [ebp+12]
- mov ecx, [ebp+8]
- wrmsr
- popa
- pop ebp
- ret
-
-
-
-;
-; Get_MSR - Get the value of a given MSR
-; void Get_MSR(int MSR, void * high_byte, void * low_byte);
-;
-align 8
-Get_MSR:
- push ebp
- mov ebp, esp
- pusha
- mov ecx, [ebp+8]
- rdmsr
- mov ebx, [ebp+12]
- mov [ebx], edx
- mov ebx, [ebp+16]
- mov [ebx], eax
- popa
- pop ebp
- ret
-
-
-
-
-
-%endif
