From: Jack Lange <jarusl@cs.northwestern.edu>
Date: Sun, 26 Apr 2009 22:58:19 +0000 (-0500)
Subject: moved guest_efer from top level guest_info to the shadow page state
X-Git-Url: http://v3vee.org/palacios/gitweb/gitweb.cgi?p=palacios.git;a=commitdiff_plain;h=6dee811714540921f73487de80e069decb80c602

moved guest_efer from top level guest_info to the shadow page state
---

diff --git a/palacios/include/palacios/vmm_shadow_paging.h b/palacios/include/palacios/vmm_shadow_paging.h
index e10615a..247c471 100644
--- a/palacios/include/palacios/vmm_shadow_paging.h
+++ b/palacios/include/palacios/vmm_shadow_paging.h
@@ -27,6 +27,7 @@
 #include <palacios/vmm_paging.h>
 #include <palacios/vmm_hashtable.h>
 #include <palacios/vmm_list.h>
+#include <palacios/vmm_msr.h>
 
 
 struct shadow_page_state {
@@ -34,6 +35,7 @@ struct shadow_page_state {
     // virtualized control registers
     v3_reg_t guest_cr3;
     v3_reg_t guest_cr0;
+    v3_msr_t guest_efer;
 
     // list of allocated shadow pages
     struct list_head page_list;
diff --git a/palacios/src/palacios/svm.c b/palacios/src/palacios/svm.c
index c577a7d..36d58dd 100644
--- a/palacios/src/palacios/svm.c
+++ b/palacios/src/palacios/svm.c
@@ -220,8 +220,6 @@ static void Init_VMCB_BIOS(vmcb_t * vmcb, struct guest_info *vm_info) {
 
 	ctrl_area->exceptions.pf = 1;
 
-
-
 	guest_state->g_pat = 0x7040600070406ULL;
 
 	guest_state->cr0 |= 0x80000000;
diff --git a/palacios/src/palacios/vm_guest.c b/palacios/src/palacios/vm_guest.c
index 1eee109..c846415 100644
--- a/palacios/src/palacios/vm_guest.c
+++ b/palacios/src/palacios/vm_guest.c
@@ -35,7 +35,7 @@ v3_cpu_mode_t v3_get_vm_cpu_mode(struct guest_info * info) {
 
     if (info->shdw_pg_mode == SHADOW_PAGING) {
 	cr0 = (struct cr0_32 *)&(info->shdw_pg_state.guest_cr0);
-	efer = (struct efer_64 *)&(info->guest_efer);
+	efer = (struct efer_64 *)&(info->shdw_pg_state.guest_efer);
     } else if (info->shdw_pg_mode == NESTED_PAGING) {
 	cr0 = (struct cr0_32 *)&(info->ctrl_regs.cr0);
 	efer = (struct efer_64 *)&(guest_state->efer);
@@ -69,7 +69,7 @@ uint_t v3_get_addr_width(struct guest_info * info) {
 
     if (info->shdw_pg_mode == SHADOW_PAGING) {
 	cr0 = (struct cr0_32 *)&(info->shdw_pg_state.guest_cr0);
-	efer = (struct efer_64 *)&(info->guest_efer);
+	efer = (struct efer_64 *)&(info->shdw_pg_state.guest_efer);
     } else if (info->shdw_pg_mode == NESTED_PAGING) {
 	cr0 = (struct cr0_32 *)&(info->ctrl_regs.cr0);
 	efer = (struct efer_64 *)&(guest_state->efer);
diff --git a/palacios/src/palacios/vmm_ctrl_regs.c b/palacios/src/palacios/vmm_ctrl_regs.c
index bc768ac..5975daf 100644
--- a/palacios/src/palacios/vmm_ctrl_regs.c
+++ b/palacios/src/palacios/vmm_ctrl_regs.c
@@ -120,7 +120,7 @@ static int handle_mov_to_cr0(struct guest_info * info, struct x86_instr * dec_in
     if (paging_transition) {
 	if (v3_get_vm_mem_mode(info) == VIRTUAL_MEM) {
 	    
-	    struct efer_64 * guest_efer  = (struct efer_64 *)&(info->guest_efer);
+	    struct efer_64 * guest_efer  = (struct efer_64 *)&(info->shdw_pg_state.guest_efer);
 	    struct efer_64 * shadow_efer = (struct efer_64 *)&(info->ctrl_regs.efer);
 	    
 	    // Check long mode LME to set LME
@@ -541,9 +541,9 @@ int v3_handle_cr4_write(struct guest_info * info) {
 
 int v3_handle_efer_read(uint_t msr, struct v3_msr * dst, void * priv_data) {
     struct guest_info * info = (struct guest_info *)(priv_data);
-    PrintDebug("EFER Read HI=%x LO=%x\n", info->guest_efer.hi, info->guest_efer.lo);
+    PrintDebug("EFER Read HI=%x LO=%x\n", info->shdw_pg_state.guest_efer.hi, info->shdw_pg_state.guest_efer.lo);
     
-    dst->value = info->guest_efer.value;
+    dst->value = info->shdw_pg_state.guest_efer.value;
     
     info->rip += 2; // WRMSR/RDMSR are two byte operands
     return 0;
@@ -556,7 +556,7 @@ int v3_handle_efer_write(uint_t msr, struct v3_msr src, void * priv_data) {
     struct guest_info * info = (struct guest_info *)(priv_data);
     //struct efer_64 * new_efer = (struct efer_64 *)&(src.value);
     struct efer_64 * shadow_efer = (struct efer_64 *)&(info->ctrl_regs.efer);
-    struct v3_msr * guest_efer = &(info->guest_efer);
+    struct v3_msr * guest_efer = &(info->shdw_pg_state.guest_efer);
     
     PrintDebug("EFER Write\n");
     PrintDebug("EFER Write Values: HI=%x LO=%x\n", src.hi, src.lo);
diff --git a/palacios/src/palacios/vmm_shadow_paging.c b/palacios/src/palacios/vmm_shadow_paging.c
index 0cc5dc5..3f12f05 100644
--- a/palacios/src/palacios/vmm_shadow_paging.c
+++ b/palacios/src/palacios/vmm_shadow_paging.c
@@ -66,6 +66,7 @@ int v3_init_shadow_page_state(struct guest_info * info) {
   
     state->guest_cr3 = 0;
     state->guest_cr0 = 0;
+    state->guest_efer.value = 0x0LL;
 
     INIT_LIST_HEAD(&(state->page_list));