X-Git-Url: http://v3vee.org/palacios/gitweb/gitweb.cgi?a=blobdiff_plain;f=palacios%2Fsrc%2Fpalacios%2Fsvm.c;h=c9d69efabcc7f6c03bccd46a7f287ffc7b08964d;hb=0c51b09942d51a3b355728526333ad3f3895131d;hp=2a0ce7488135e90473165157f5726204842dbc3d;hpb=f6a5e71ff885541ff7daa9603c910d4c45649f6d;p=palacios-OLD.git

diff --git a/palacios/src/palacios/svm.c b/palacios/src/palacios/svm.c
index 2a0ce74..c9d69ef 100644
--- a/palacios/src/palacios/svm.c
+++ b/palacios/src/palacios/svm.c
@@ -59,7 +59,7 @@ static vmcb_t * Allocate_VMCB() {
 
 
 
-
+#include <palacios/vmm_ctrl_regs.h>
 
 static void Init_VMCB_BIOS(vmcb_t * vmcb, struct guest_info *vm_info) {
   vmcb_ctrl_t * ctrl_area = GET_VMCB_CTRL_AREA(vmcb);
@@ -77,7 +77,21 @@ static void Init_VMCB_BIOS(vmcb_t * vmcb, struct guest_info *vm_info) {
   ctrl_area->cr_reads.cr0 = 1;
   ctrl_area->cr_writes.cr0 = 1;
 
+
+  /* Set up the efer to enable 64 bit page tables */
+  {
+    struct efer_64 * efer = (struct efer_64 *)&(guest_state->efer);
+    struct cr4_32 * cr4 = (struct cr4_32 *)&(guest_state->cr4);
+    efer->lma = 1;
+    efer->lme = 1;
+
+    cr4->pae = 1;
+  }
+
   guest_state->efer |= EFER_MSR_svm_enable;
+
+
+
   guest_state->rflags = 0x00000002; // The reserved bit is always 1
   ctrl_area->svm_instrs.VMRUN = 1;
   ctrl_area->svm_instrs.VMMCALL = 1;
@@ -199,13 +213,19 @@ static void Init_VMCB_BIOS(vmcb_t * vmcb, struct guest_info *vm_info) {
 
   if (vm_info->shdw_pg_mode == SHADOW_PAGING) {
     PrintDebug("Creating initial shadow page table\n");
-    vm_info->direct_map_pt = V3_PAddr((addr_t)create_passthrough_pde32_pts(vm_info));
+    //    vm_info->direct_map_pt = (addr_t)V3_PAddr(create_passthrough_pde32_pts(vm_info));
+    /* Testing 64 bit page tables for long paged real mode guests */
+    vm_info->direct_map_pt = (addr_t)V3_PAddr(create_passthrough_pts_64(vm_info));
 
-    vm_info->shdw_pg_state.shadow_cr3 |= (vm_info->direct_map_pt & ~0xfff);
+    //vm_info->shdw_pg_state.shadow_cr3 |= (vm_info->direct_map_pt & ~0xfff);
+    vm_info->shdw_pg_state.shadow_cr3 = 0;
     vm_info->shdw_pg_state.guest_cr0 = 0x0000000000000010LL;
     PrintDebug("Created\n");
 
-    guest_state->cr3 = vm_info->shdw_pg_state.shadow_cr3;
+    //guest_state->cr3 = vm_info->shdw_pg_state.shadow_cr3;
+
+    guest_state->cr3 = vm_info->direct_map_pt;
+
 
     //PrintDebugPageTables((pde32_t*)(vm_info->shdw_pg_state.shadow_cr3.e_reg.low));
 
@@ -309,7 +329,7 @@ static int start_svm_guest(struct guest_info *info) {
     v3_clgi();
 
 
-    PrintDebug("SVM Entry to rip=%p...\n", (void *)info->rip);
+    //PrintDebug("SVM Entry to rip=%p...\n", (void *)info->rip);
 
     v3_get_msr(0xc0000101, &vm_cr_high, &vm_cr_low);
 
@@ -321,7 +341,7 @@ static int start_svm_guest(struct guest_info *info) {
     rdtscll(tmp_tsc);
 
     v3_set_msr(0xc0000101, vm_cr_high, vm_cr_low);
-    PrintDebug("SVM Returned\n");
+    //PrintDebug("SVM Returned\n");
 
 
 #if PrintDebug
@@ -335,11 +355,11 @@ static int start_svm_guest(struct guest_info *info) {
     v3_update_time(info, tmp_tsc - info->time_state.cached_host_tsc);
     num_exits++;
 
-    PrintDebug("Turning on global interrupts\n");
+    //PrintDebug("Turning on global interrupts\n");
     v3_stgi();
 
 
-    PrintDebug("SVM Exit number %d\n", num_exits);
+    //PrintDebug("SVM Exit number %d\n", num_exits);