From: Jack Lange <jarusl@cs.northwestern.edu>
Date: Wed, 22 Oct 2008 02:13:14 +0000 (-0500)
Subject: fixed ins/outs and moved the gs.base save/restore point
X-Git-Tag: 1.0^2~22
X-Git-Url: http://v3vee.org/palacios/gitweb/gitweb.cgi?p=palacios.git;a=commitdiff_plain;h=a1e2f463ccac3d46ae9410156ae0679bbeb1ce09

fixed ins/outs and moved the gs.base save/restore point
---

diff --git a/palacios/src/palacios/svm.c b/palacios/src/palacios/svm.c
index 4913513..b9f4a9f 100644
--- a/palacios/src/palacios/svm.c
+++ b/palacios/src/palacios/svm.c
@@ -307,44 +307,22 @@ static int start_svm_guest(struct guest_info *info) {
     v3_enable_ints();
     v3_clgi();
 
-    {
-
-      v3_get_msr(0xc0000101, &vm_cr_high, &vm_cr_low);
-
-      PrintDebug("GS.Base: %x:%x\n", vm_cr_high, vm_cr_low); 
-      /*
-      v3_get_msr(0xc0000102, &vm_cr_high, &vm_cr_low);
-
-      PrintDebug("KernelGSBase: %x:%x\n", vm_cr_high, vm_cr_low); 
-      */
-
-    }
 
     PrintDebug("SVM Entry to rip=%x...\n", info->rip);
 
+    v3_get_msr(0xc0000101, &vm_cr_high, &vm_cr_low);
+
     rdtscll(info->time_state.cached_host_tsc);
+
     guest_ctrl->TSC_OFFSET = info->time_state.guest_tsc - info->time_state.cached_host_tsc;
 
     v3_svm_launch((vmcb_t*)V3_PAddr(info->vmm_data), &(info->vm_regs));
-
     rdtscll(tmp_tsc);
-    PrintDebug("SVM Returned\n");
-
-
-    {
-
-      v3_set_msr(0xc0000101, vm_cr_high, vm_cr_low);
 
-      PrintDebug("GS.Base: %x:%x\n", vm_cr_high, vm_cr_low); 
-
-      /*
-      v3_get_msr(0xc0000102, &vm_cr_high, &vm_cr_low);
+    v3_set_msr(0xc0000101, vm_cr_high, vm_cr_low);
+    PrintDebug("SVM Returned\n");
 
-      PrintDebug("KernelGSBase: %x:%x\n", vm_cr_high, vm_cr_low); 
-      */
 
-    }
-    
     {
       uint_t x = 0;
       PrintDebug("RSP=%p\n", &x);
diff --git a/palacios/src/palacios/svm_io.c b/palacios/src/palacios/svm_io.c
index cad3fbe..c46d45a 100644
--- a/palacios/src/palacios/svm_io.c
+++ b/palacios/src/palacios/svm_io.c
@@ -114,7 +114,7 @@ int v3_handle_svm_io_ins(struct guest_info * info) {
   
   addr_t inst_ptr;
 
-  if (guest_va_to_host_pa(info,get_addr_linear(info,info->rip,&(info->segments.cs)),&inst_ptr)==-1) {
+  if (guest_va_to_host_va(info, get_addr_linear(info, info->rip, &(info->segments.cs)), &inst_ptr) == -1) {
     PrintError("Can't access instruction\n");
     return -1;
   }
@@ -325,7 +325,7 @@ int v3_handle_svm_io_outs(struct guest_info * info) {
   
   addr_t inst_ptr;
 
-  if (guest_va_to_host_pa(info,get_addr_linear(info,info->rip,&(info->segments.cs)),&inst_ptr)==-1) {
+  if (guest_va_to_host_va(info,get_addr_linear(info,info->rip,&(info->segments.cs)),&inst_ptr)==-1) {
     PrintError("Can't access instruction\n");
     return -1;
   }