save/restore MSRs before VM entry/exit

[palacios.git] / palacios / include / palacios / vm_guest.h

diff --git a/palacios/include/palacios/vm_guest.h b/palacios/include/palacios/vm_guest.h
index bb3bad9..9987fe5 100644 (file)
--- a/palacios/include/palacios/vm_guest.h
+++ b/palacios/include/palacios/vm_guest.h
@@ -55,7 +55,7 @@ struct v3_gprs {
   v3_reg_t r14;
   v3_reg_t r15;
   
-};
+} __attribute__((packed));
 
 
 struct v3_ctrl_regs {
@@ -165,6 +165,13 @@ struct guest_info {
 
   struct v3_msr guest_efer;
 
+
+  struct v3_msr shadow_cstar;
+  struct v3_msr shadow_star;
+  struct v3_msr shadow_lstar;
+  struct v3_msr shadow_syscall_mask;
+  
+
   /* TEMP */
   //ullong_t exit_tsc;