X-Git-Url: http://v3vee.org/palacios/gitweb/gitweb.cgi?a=blobdiff_plain;f=palacios%2Fsrc%2Fpalacios%2Fvmx.c;h=4722fb51c58f1d925772a3dd0d6c50bc492e97d2;hb=d662cc4cc19794e57b3a0126fd05d09456e22cdc;hp=29f1ccf8e05780fba4fc60ee86bab8f44bd08110;hpb=5bf6d0c260240e314876a2fca8e3fd56bd6a1029;p=palacios.git

diff --git a/palacios/src/palacios/vmx.c b/palacios/src/palacios/vmx.c
index 29f1ccf..4722fb5 100644
--- a/palacios/src/palacios/vmx.c
+++ b/palacios/src/palacios/vmx.c
@@ -199,8 +199,7 @@ static int init_vmcs_bios(struct guest_info * info, struct vmx_data * vmx_state)
 
     /********** Setup and VMX Control Fields from MSR ***********/
     /* Setup IO map */
-    v3_init_vmx_io_map(info);
-    v3_init_vmx_msr_map(info);
+
 
     struct v3_msr tmp_msr;
 
@@ -220,11 +219,12 @@ static int init_vmcs_bios(struct guest_info * info, struct vmx_data * vmx_state)
     vmx_state->pri_proc_ctrls.use_msr_bitmap = 1;
     vmx_state->pri_proc_ctrls.pause_exit = 1;
 
-    vmx_ret |= check_vmcs_write(VMCS_IO_BITMAP_A_ADDR, (addr_t)V3_PAddr(info->io_map.arch_data));
+    vmx_ret |= check_vmcs_write(VMCS_IO_BITMAP_A_ADDR, (addr_t)V3_PAddr(info->vm_info->io_map.arch_data));
     vmx_ret |= check_vmcs_write(VMCS_IO_BITMAP_B_ADDR, 
-            (addr_t)V3_PAddr(info->io_map.arch_data) + PAGE_SIZE_4KB); 
+            (addr_t)V3_PAddr(info->vm_info->io_map.arch_data) + PAGE_SIZE_4KB);
+
 
-    vmx_ret |= check_vmcs_write(VMCS_MSR_BITMAP, (addr_t)V3_PAddr(info->msr_map.arch_data));
+    vmx_ret |= check_vmcs_write(VMCS_MSR_BITMAP, (addr_t)V3_PAddr(info->vm_info->msr_map.arch_data));
 
     v3_get_msr(VMX_EXIT_CTLS_MSR, &(tmp_msr.hi), &(tmp_msr.lo));
     vmx_state->exit_ctrls.value = tmp_msr.lo;
@@ -453,12 +453,12 @@ static int update_irq_exit_state(struct guest_info * info) {
 
     check_vmcs_read(VMCS_IDT_VECTOR_INFO, &(idt_vec_info.value));
 
-    if ((info->intr_state.irq_started == 1) && (idt_vec_info.valid == 0)) {
+    if ((info->intr_core_state.irq_started == 1) && (idt_vec_info.valid == 0)) {
 #ifdef CONFIG_DEBUG_INTERRUPTS
         PrintDebug("Calling v3_injecting_intr\n");
 #endif
-        info->intr_state.irq_started = 0;
-        v3_injecting_intr(info, info->intr_state.irq_vector, V3_EXTERNAL_IRQ);
+        info->intr_core_state.irq_started = 0;
+        v3_injecting_intr(info, info->intr_core_state.irq_vector, V3_EXTERNAL_IRQ);
     }
 
     return 0;
@@ -466,9 +466,11 @@ static int update_irq_exit_state(struct guest_info * info) {
 
 static int update_irq_entry_state(struct guest_info * info) {
     struct vmx_exit_idt_vec_info idt_vec_info;
+    struct vmcs_interrupt_state intr_core_state;
     struct vmx_data * vmx_info = (struct vmx_data *)(info->vmm_data);
 
     check_vmcs_read(VMCS_IDT_VECTOR_INFO, &(idt_vec_info.value));
+    check_vmcs_read(VMCS_GUEST_INT_STATE, &(intr_core_state));
 
     /* Check for pending exceptions to inject */
     if (v3_excp_pending(info)) {
@@ -498,9 +500,10 @@ static int update_irq_entry_state(struct guest_info * info) {
 
         v3_injecting_excp(info, int_info.vector);
 
-    } else if (((struct rflags *)&(info->ctrl_regs.rflags))->intr == 1) {
+    } else if ((((struct rflags *)&(info->ctrl_regs.rflags))->intr == 1) && 
+	       (intr_core_state.val == 0)) {
        
-        if ((info->intr_state.irq_started == 1) && (idt_vec_info.valid == 1)) {
+        if ((info->intr_core_state.irq_started == 1) && (idt_vec_info.valid == 1)) {
 
 #ifdef CONFIG_DEBUG_INTERRUPTS
             PrintDebug("IRQ pending from previous injection\n");
@@ -523,21 +526,21 @@ static int update_irq_entry_state(struct guest_info * info) {
 
             switch (v3_intr_pending(info)) {
                 case V3_EXTERNAL_IRQ: {
-                    info->intr_state.irq_vector = v3_get_intr(info); 
-                    ent_int.vector = info->intr_state.irq_vector;
+                    info->intr_core_state.irq_vector = v3_get_intr(info); 
+                    ent_int.vector = info->intr_core_state.irq_vector;
                     ent_int.type = 0;
                     ent_int.error_code = 0;
                     ent_int.valid = 1;
 
 #ifdef CONFIG_DEBUG_INTERRUPTS
                     PrintDebug("Injecting Interrupt %d at exit %u(EIP=%p)\n", 
-			       info->intr_state.irq_vector, 
+			       info->intr_core_state.irq_vector, 
 			       (uint32_t)info->num_exits, 
 			       (void *)info->rip);
 #endif
 
                     check_vmcs_write(VMCS_ENTRY_INT_INFO, ent_int.value);
-                    info->intr_state.irq_started = 1;
+                    info->intr_core_state.irq_started = 1;
 
                     break;
                 }
@@ -587,6 +590,35 @@ static int update_irq_entry_state(struct guest_info * info) {
 }
 
 
+
+static struct vmx_exit_info exit_log[10];
+
+static void print_exit_log(struct guest_info * info) {
+    int cnt = info->num_exits % 10;
+    int i = 0;
+    
+
+    V3_Print("\nExit Log (%d total exits):\n", (uint32_t)info->num_exits);
+
+    for (i = 0; i < 10; i++) {
+	struct vmx_exit_info * tmp = &exit_log[cnt];
+
+	V3_Print("%d:\texit_reason = %p\n", i, (void *)(addr_t)tmp->exit_reason);
+	V3_Print("\texit_qual = %p\n", (void *)tmp->exit_qual);
+	V3_Print("\tint_info = %p\n", (void *)(addr_t)tmp->int_info);
+	V3_Print("\tint_err = %p\n", (void *)(addr_t)tmp->int_err);
+	V3_Print("\tinstr_info = %p\n", (void *)(addr_t)tmp->instr_info);
+
+	cnt--;
+
+	if (cnt == -1) {
+	    cnt = 9;
+	}
+
+    }
+
+}
+
 /* 
  * CAUTION and DANGER!!! 
  * 
@@ -613,18 +645,23 @@ int v3_vmx_enter(struct guest_info * info) {
 
 
 #ifdef CONFIG_SYMBIOTIC
-    if (info->sym_state.sym_call_active == 0) {
+    if (info->sym_local_state.symcall_state.sym_call_active == 0) {
 	update_irq_entry_state(info);
     }
 #else 
     update_irq_entry_state(info);
 #endif
 
+    {
+	addr_t guest_cr3;
+	vmcs_read(VMCS_GUEST_CR3, &guest_cr3);
+	vmcs_write(VMCS_GUEST_CR3, guest_cr3);
+    }
 
     rdtscll(info->time_state.cached_host_tsc);
 
-    if (info->run_state == VM_STOPPED) {
-	info->run_state = VM_RUNNING;
+    if (info->vm_info->run_state == VM_STOPPED) {
+	info->vm_info->run_state = VM_RUNNING;
 	ret = v3_vmx_launch(&(info->vm_regs), info, &(info->ctrl_regs));
     } else {
 	ret = v3_vmx_resume(&(info->vm_regs), info, &(info->ctrl_regs));
@@ -650,6 +687,8 @@ int v3_vmx_enter(struct guest_info * info) {
     /* Update guest state */
     v3_vmx_save_vmcs(info);
 
+    // info->cpl = info->segments.cs.selector & 0x3;
+
     info->mem_mode = v3_get_vm_mem_mode(info);
     info->cpu_mode = v3_get_vm_cpu_mode(info);
 
@@ -664,9 +703,11 @@ int v3_vmx_enter(struct guest_info * info) {
 
     //PrintDebug("VMX Exit taken, id-qual: %u-%lu\n", exit_info.exit_reason, exit_info.exit_qual);
 
+    exit_log[info->num_exits % 10] = exit_info;
+
 
 #ifdef CONFIG_SYMBIOTIC
-    if (info->sym_state.sym_call_active == 0) {
+    if (info->sym_local_state.symcall_state.sym_call_active == 0) {
 	update_irq_exit_state(info);
     }
 #else
@@ -699,12 +740,16 @@ int v3_start_vmx_guest(struct guest_info* info) {
     while (1) {
 	if (v3_vmx_enter(info) == -1) {
 	    v3_print_vmcs();
+	    print_exit_log(info);
 	    return -1;
 	}
 
+/*
 	if ((info->num_exits % 5000) == 0) {
-	    V3_Print("SVM Exit number %d\n", (uint32_t)info->num_exits);
+	    V3_Print("VMX Exit number %d\n", (uint32_t)info->num_exits);
 	}
+*/
+
     }
 
     return 0;
@@ -749,7 +794,7 @@ void v3_init_vmx_cpu(int cpu_id) {
     uint64_t ret = 0;
 
     v3_get_msr(VMX_CR4_FIXED0_MSR,&(tmp_msr.hi),&(tmp_msr.lo));
-    
+#ifdef __V3_64BIT__
     __asm__ __volatile__ (
 			  "movq %%cr4, %%rbx;"
 			  "orq  $0x00002000, %%rbx;"
@@ -778,6 +823,38 @@ void v3_init_vmx_cpu(int cpu_id) {
 			  :
 			  : "%rbx"
 			  );
+#elif __V3_32BIT__
+    __asm__ __volatile__ (
+			  "movq %%cr4, %%ecx;"
+			  "orq  $0x00002000, %%ecx;"
+			  "movq %%ecx, %0;"
+			  : "=m"(ret) 
+			  :
+			  : "%ecx"
+			  );
+
+    if ((~ret & tmp_msr.value) == 0) {
+        __asm__ __volatile__ (
+			      "movq %0, %%cr4;"
+			      :
+			      : "q"(ret)
+			      );
+    } else {
+        PrintError("Invalid CR4 Settings!\n");
+        return;
+    }
+
+    __asm__ __volatile__ (
+			  "movq %%cr0, %%ecx; "
+			  "orq  $0x00000020,%%ecx; "
+			  "movq %%ecx, %%cr0;"
+			  :
+			  :
+			  : "%ecx"
+			  );
+
+#endif
+
     //
     // Should check and return Error here....