From: Jack Lange <jarusl@cs.northwestern.edu>
Date: Wed, 4 Aug 2010 23:26:55 +0000 (-0500)
Subject: added per core flags to guest structure
X-Git-Url: http://v3vee.org/palacios/gitweb/gitweb.cgi?a=commitdiff_plain;h=85e86b3089abbc75a0834c361d082861fabb6335;p=palacios.git

added per core flags to guest structure
currently large page support is the only enabled flag...
---

diff --git a/palacios/include/palacios/vm_guest.h b/palacios/include/palacios/vm_guest.h
index e999a03..ecabff7 100644
--- a/palacios/include/palacios/vm_guest.h
+++ b/palacios/include/palacios/vm_guest.h
@@ -65,12 +65,21 @@ struct guest_info {
     v3_paging_mode_t shdw_pg_mode;
     struct v3_shdw_pg_state shdw_pg_state;
     addr_t direct_map_pt;
+    
+
+    union {
+	uint32_t flags;
+	struct {
+	    uint8_t use_large_pages        : 1;    /* Enable virtual page tables to use large pages */
+	    uint32_t rsvd                  : 31;
+	} __attribute__((packed));
+    } __attribute__((packed));
 
 
-    // This structure is how we get interrupts for the guest
+    /* This structure is how we get interrupts for the guest */
     struct v3_intr_core_state intr_core_state;
 
-    // This structure is how we get exceptions for the guest
+    /* This structure is how we get exceptions for the guest */
     struct v3_excp_state excp_state;
 
 
@@ -95,19 +104,19 @@ struct guest_info {
 #endif
 
 
-    // struct v3_core_dev_mgr core_dev_mgr;
+    /* struct v3_core_dev_mgr core_dev_mgr; */
 
     void * decoder_state;
 
 #ifdef CONFIG_SYMBIOTIC
-    // Symbiotic state
+    /* Symbiotic state */
     struct v3_sym_core_state sym_core_state;
 #endif
 
 
     struct v3_vm_info * vm_info;
 
-    // the logical cpu on which this core runs
+    /* the logical cpu on which this core runs */
     uint32_t cpu_id;
 };
 
@@ -117,7 +126,7 @@ struct guest_info {
 struct v3_vm_info {
     v3_vm_class_t vm_class;
 
-    addr_t mem_size; // In bytes for now
+    addr_t mem_size; /* In bytes for now */
     struct v3_mem_map mem_map;
 
     struct v3_mem_hooks mem_hooks;
@@ -132,7 +141,8 @@ struct v3_vm_info {
 
 
     struct v3_intr_routers intr_routers;
-    // device_map
+
+    /* device_map */
     struct vmm_dev_mgr  dev_mgr;
 
     struct v3_host_events host_event_hooks;
@@ -142,7 +152,7 @@ struct v3_vm_info {
     v3_vm_operating_mode_t run_state;
 
 #ifdef CONFIG_SYMBIOTIC
-    // Symbiotic state
+    /* Symbiotic state */
     struct v3_sym_vm_state sym_vm_state;
 #endif
 
@@ -183,6 +193,6 @@ void v3_print_GPRs(struct guest_info * info);
 
 void v3_print_stack(struct guest_info * info);
 
-#endif // ! __V3VEE__
+#endif /* ! __V3VEE__ */
 
 #endif