X-Git-Url: http://v3vee.org/palacios/gitweb/gitweb.cgi?a=blobdiff_plain;f=palacios%2Finclude%2Fpalacios%2Fvmx_lowlevel.h;h=ce6a440f1ed08dc0a40fd1b48cb6800babd96dd7;hb=94f67717b6461df514dc225ed84f03b44c44061b;hp=b654414abc8527e3d1b49185e621b6e42042af8a;hpb=a24a1722328a575cec8dd8578902fd0f68c72c1c;p=palacios.git

diff --git a/palacios/include/palacios/vmx_lowlevel.h b/palacios/include/palacios/vmx_lowlevel.h
index b654414..ce6a440 100644
--- a/palacios/include/palacios/vmx_lowlevel.h
+++ b/palacios/include/palacios/vmx_lowlevel.h
@@ -22,6 +22,7 @@
 
 #ifdef __V3VEE__
 
+#include <palacios/vmcs.h>
 
 #define VMX_SUCCESS         0 
 #define VMX_FAIL_INVALID    1
@@ -56,24 +57,7 @@
 
 
 
-static inline int v3_enable_vmx(addr_t vmxon_ptr) {
-    uint64_t vmxon_ptr_64 __attribute__((aligned(8))) = (uint64_t)vmxon_ptr;
-    uint8_t ret_invalid = 0;
 
-    __asm__ __volatile__ (
-                VMXON_OPCODE
-                EAX_06_MODRM
-                "setnaeb %0;" // fail invalid (CF=1)
-                : "=q"(ret_invalid)
-                : "a"(&vmxon_ptr_64),"0"(ret_invalid)
-                : "memory");
-
-    if (ret_invalid) {
-        return VMX_FAIL_INVALID;
-    } else {
-        return VMX_SUCCESS;
-    }
-}
 
 static inline int vmcs_clear(addr_t vmcs_ptr) {
     uint64_t vmcs_ptr_64 __attribute__ ((aligned(8))) = (uint64_t)vmcs_ptr;
@@ -127,17 +111,17 @@ static inline int vmcs_store(addr_t vmcs_ptr) {
 }
 
 static inline int vmcs_read(vmcs_field_t vmcs_field, void * dst) {
-    uint64_t val = 0;
+    addr_t val = 0;
     uint8_t ret_valid = 0;
     uint8_t ret_invalid = 0;
 
     __asm__ __volatile__ (  
                 VMREAD_OPCODE
                 EAX_ECX_MODRM
-                "seteb %0;" // fail valid
+                "seteb %1;" // fail valid
                 "setnaeb %1;" // fail invalid
-                : "=q"(ret_valid), "=q"(ret_invalid), "=c"(val) // Use ECX
-                : "a" (vmcs_field), "0"(ret_valid), "1"(ret_invalid)
+                :  "=c"(val), "=d"(ret_valid) //, "=r"(ret_invalid) // Use ECX
+                : "a" (vmcs_field), "0"(0), "1"(ret_valid)
                 : "memory"
                 );
 
@@ -154,6 +138,8 @@ static inline int vmcs_read(vmcs_field_t vmcs_field, void * dst) {
         case 8:
             *((uint64_t*)dst) = (uint64_t)val;
             break;
+	default:
+	     return -1;
     }
 
 
@@ -170,7 +156,7 @@ static inline int vmcs_write(vmcs_field_t vmcs_field, addr_t value) {
                 "seteb %0;" // fail valid (ZF=1)
                 "setnaeb %1;" // fail invalid (CF=1)
                 : "=q" (ret_valid), "=q" (ret_invalid)
-                : "a" (vmcs_field), "c"(value), "0"(ret_valid), "1"(ret_invalid)
+                : "a" (vmcs_field), "c"(value)
                 : "memory");
 
     CHECK_VMXFAIL(ret_valid, ret_invalid);
@@ -178,6 +164,26 @@ static inline int vmcs_write(vmcs_field_t vmcs_field, addr_t value) {
     return VMX_SUCCESS;
 }
 
+
+static inline int vmx_on(addr_t vmxon_ptr) {
+    uint64_t vmxon_ptr_64 __attribute__((aligned(8))) = (uint64_t)vmxon_ptr;
+    uint8_t ret_invalid = 0;
+
+    __asm__ __volatile__ (
+                VMXON_OPCODE
+                EAX_06_MODRM
+                "setnaeb %0;" // fail invalid (CF=1)
+                : "=q"(ret_invalid)
+                : "a"(&vmxon_ptr_64),"0"(ret_invalid)
+                : "memory");
+
+    if (ret_invalid) {
+        return VMX_FAIL_INVALID;
+    } else {
+        return VMX_SUCCESS;
+    }
+}
+
 static inline int vmx_off() {
     uint8_t ret_valid = 0;
     uint8_t ret_invalid = 0;
@@ -195,6 +201,57 @@ static inline int vmx_off() {
     return VMX_SUCCESS;
 }
 
+
+static inline int enable_vmx() {
+#ifdef __V3_64BIT__
+    __asm__ __volatile__ (
+			  "movq %%cr4, %%rbx;"
+			  "orq  $0x00002000, %%rbx;"
+			  "movq %%rbx, %%cr4;"
+			  : 
+			  :
+			  : "%rbx"
+			  );
+
+
+    __asm__ __volatile__ (
+			  "movq %%cr0, %%rbx; "
+			  "orq  $0x00000020,%%rbx; "
+			  "movq %%rbx, %%cr0;"
+			  :
+			  :
+			  : "%rbx"
+			  );
+#elif __V3_32BIT__
+    __asm__ __volatile__ (
+			  "movl %%cr4, %%ecx;"
+			  "orl  $0x00002000, %%ecx;"
+			  "movl %%ecx, %%cr4;"
+			  : 
+			  :
+			  : "%ecx"
+			  );
+
+
+
+    __asm__ __volatile__ (
+			  "movl %%cr0, %%ecx; "
+			  "orl  $0x00000020,%%ecx; "
+			  "movl %%ecx, %%cr0;"
+			  :
+			  :
+			  : "%ecx"
+			  );
+    
+#endif
+
+    return 0;
+}
+
+
+
+
+
 #endif
 
 #endif