X-Git-Url: http://v3vee.org/palacios/gitweb/gitweb.cgi?a=blobdiff_plain;f=palacios%2Fsrc%2Fpalacios%2Fsvm.c;h=36d3d46c872b465ae97ad4beb72f82066dc82207;hb=3f4d4561cb9187c173cc38b237a2da583b8bae65;hp=b052eeeca556df241bdc3e8c0f3194e06a0e50b4;hpb=a6865d183eedbdf3e5510e4be89dcb5ce51b5953;p=palacios.git

diff --git a/palacios/src/palacios/svm.c b/palacios/src/palacios/svm.c
index b052eee..36d3d46 100644
--- a/palacios/src/palacios/svm.c
+++ b/palacios/src/palacios/svm.c
@@ -39,6 +39,8 @@
 
 #include <palacios/vmm_rbtree.h>
 
+#include <palacios/vmm_profiler.h>
+
 
 extern void v3_stgi();
 extern void v3_clgi();
@@ -196,7 +198,8 @@ static void Init_VMCB_BIOS(vmcb_t * vmcb, struct guest_info *vm_info) {
     struct v3_io_hook * iter;
     struct rb_node * io_node = v3_rb_first(&(vm_info->io_map));
     addr_t io_port_bitmap;
-    
+    int i = 0;
+
     io_port_bitmap = (addr_t)V3_VAddr(V3_AllocPages(3));
     memset((uchar_t*)io_port_bitmap, 0, PAGE_SIZE * 3);
     
@@ -209,10 +212,13 @@ static void Init_VMCB_BIOS(vmcb_t * vmcb, struct guest_info *vm_info) {
 
       ushort_t port = iter->port;
       uchar_t * bitmap = (uchar_t *)io_port_bitmap;
+      PrintDebug("%d: Hooking Port %d\n", i, port);
 
       bitmap += (port / 8);
       //      PrintDebug("Setting Bit for port 0x%x\n", port);
       *bitmap |= 1 << (port % 8);
+
+      i++;
     } while ((io_node = v3_rb_next(io_node)));
 
 
@@ -346,16 +352,37 @@ static int start_svm_guest(struct guest_info *info) {
 
   while (1) {
     ullong_t tmp_tsc;
-    uint_t vm_cr_low = 0, vm_cr_high = 0;
 
 
+
+#define MSR_STAR      0xc0000081
+#define MSR_LSTAR     0xc0000082
+#define MSR_CSTAR     0xc0000083
+#define MSR_SF_MASK   0xc0000084
+#define MSR_GS_BASE   0xc0000101
+
+    struct v3_msr host_cstar;
+    struct v3_msr host_star;
+    struct v3_msr host_lstar;
+    struct v3_msr host_syscall_mask;
+    struct v3_msr host_gs_base;
+
     v3_enable_ints();
     v3_clgi();
 
 
-    //PrintDebug("SVM Entry to rip=%p...\n", (void *)info->rip);
+    /*
+    PrintDebug("SVM Entry to CS=%p  rip=%p...\n", 
+	       (void *)(addr_t)info->segments.cs.base, 
+	       (void *)(addr_t)info->rip);
+    */
 
-    v3_get_msr(0xc0000101, &vm_cr_high, &vm_cr_low);
+
+    v3_get_msr(MSR_STAR, &(host_star.hi), &(host_star.lo));
+    v3_get_msr(MSR_LSTAR, &(host_lstar.hi), &(host_lstar.lo));
+    v3_get_msr(MSR_CSTAR, &(host_cstar.hi), &(host_cstar.lo));
+    v3_get_msr(MSR_SF_MASK, &(host_syscall_mask.hi), &(host_syscall_mask.lo));
+    v3_get_msr(MSR_GS_BASE, &(host_gs_base.hi), &(host_gs_base.lo));
 
     rdtscll(info->time_state.cached_host_tsc);
 
@@ -364,7 +391,12 @@ static int start_svm_guest(struct guest_info *info) {
     v3_svm_launch((vmcb_t*)V3_PAddr(info->vmm_data), &(info->vm_regs));
     rdtscll(tmp_tsc);
 
-    v3_set_msr(0xc0000101, vm_cr_high, vm_cr_low);
+    v3_set_msr(MSR_STAR, host_star.hi, host_star.lo);
+    v3_set_msr(MSR_LSTAR, host_lstar.hi, host_lstar.lo);
+    v3_set_msr(MSR_CSTAR, host_cstar.hi, host_cstar.lo);
+    v3_set_msr(MSR_SF_MASK, host_syscall_mask.hi, host_syscall_mask.lo);
+    v3_set_msr(MSR_GS_BASE, host_gs_base.hi, host_gs_base.lo);
+
     //PrintDebug("SVM Returned\n");
 
 
@@ -376,10 +408,13 @@ static int start_svm_guest(struct guest_info *info) {
     v3_stgi();
 
 
-    if (num_exits % 25 == 0) {
+    if ((num_exits % 5000) == 0) {
       PrintDebug("SVM Exit number %d\n", num_exits);
+      if (info->enable_profiler) 
+	v3_print_profile(info);
     }
 
+
      
     if (v3_handle_svm_exit(info) != 0) {
       vmcb_ctrl_t * guest_ctrl = GET_VMCB_CTRL_AREA((vmcb_t*)(info->vmm_data));
@@ -408,10 +443,6 @@ static int start_svm_guest(struct guest_info *info) {
       }
       v3_print_GPRs(info);
 
-
-      
-
-
       PrintDebug("SVM Exit Code: %p\n", (void *)(addr_t)guest_ctrl->exit_code); 
       
       PrintDebug("exit_info1 low = 0x%.8x\n", *(uint_t*)&(guest_ctrl->exit_info1));
@@ -434,6 +465,7 @@ static int start_svm_guest(struct guest_info *info) {
 
       break;
     }
+
   }
   return 0;
 }
@@ -453,7 +485,7 @@ int v3_is_svm_capable() {
 
   v3_cpuid(CPUID_FEATURE_IDS, &eax, &ebx, &ecx, &edx);
   
-  PrintDebug("CPUID_FEATURE_IDS_ecx=0x%p\n", (void *)ecx);
+  PrintDebug("CPUID_FEATURE_IDS_ecx=%p\n", (void *)ecx);
 
   if ((ecx & CPUID_FEATURE_IDS_ecx_svm_avail) == 0) {
     PrintDebug("SVM Not Available\n");
@@ -468,7 +500,7 @@ int v3_is_svm_capable() {
 
       v3_cpuid(CPUID_SVM_REV_AND_FEATURE_IDS, &eax, &ebx, &ecx, &edx);
       
-      PrintDebug("CPUID_FEATURE_IDS_edx=0x%p\n", (void *)edx);
+      PrintDebug("CPUID_FEATURE_IDS_edx=%p\n", (void *)edx);
       
       if ((edx & CPUID_SVM_REV_AND_FEATURE_IDS_edx_svml) == 0) {
 	PrintDebug("SVM BIOS Disabled, not unlockable\n");
@@ -481,8 +513,11 @@ int v3_is_svm_capable() {
       PrintDebug("SVM is available and  enabled.\n");
 
       v3_cpuid(CPUID_SVM_REV_AND_FEATURE_IDS, &eax, &ebx, &ecx, &edx);
-      
-      PrintDebug("CPUID_FEATURE_IDS_edx=0x%p\n", (void *)edx);
+      PrintDebug("CPUID_FEATURE_IDS_eax=%p\n", (void *)eax);
+      PrintDebug("CPUID_FEATURE_IDS_ebx=%p\n", (void *)ebx);
+      PrintDebug("CPUID_FEATURE_IDS_ecx=%p\n", (void *)ecx);      
+      PrintDebug("CPUID_FEATURE_IDS_edx=%p\n", (void *)edx);
+
 
       if ((edx & CPUID_SVM_REV_AND_FEATURE_IDS_edx_np) == 0) {
 	PrintDebug("SVM Nested Paging not supported\n");