More updates getting basic version of time handling working.

[palacios-OLD.git] / palacios / src / palacios / vmx.c

diff --git a/palacios/src/palacios/vmx.c b/palacios/src/palacios/vmx.c
index bb93054..f12e17f 100644 (file)
--- a/palacios/src/palacios/vmx.c
+++ b/palacios/src/palacios/vmx.c
@@ -225,6 +225,10 @@ static int init_vmcs_bios(struct guest_info * info, struct vmx_data * vmx_state)
     vmx_state->pri_proc_ctrls.invlpg_exit = 1;
     vmx_state->pri_proc_ctrls.use_msr_bitmap = 1;
     vmx_state->pri_proc_ctrls.pause_exit = 1;
+#ifdef CONFIG_TIME_VIRTUALIZE_TSC
+    vmx_state->pri_proc_ctrls.tsc_offset = 1;
+    vmx_state->pri_proc_ctrls.rdtsc_exit = 1;
+#endif
 
     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, 
@@ -665,14 +669,13 @@ int v3_vmx_enter(struct guest_info * info) {
     }
 
     v3_update_timers(info);
-    v3_resume_time(info);
 
-    tsc_offset_high = 
-       (uint32_t)((info->time_state.host_offset >> 32) & 0xffffffff);
-    tsc_offset_low = (uint32_t)(info->time_state.host_offset & 0xffffffff);
+    tsc_offset_high = (uint32_t)((v3_tsc_host_offset(&info->time_state) >> 32) & 0xffffffff);
+    tsc_offset_low = (uint32_t)(v3_tsc_host_offset(&info->time_state) & 0xffffffff);
     check_vmcs_write(VMCS_TSC_OFFSET_HIGH, tsc_offset_high);
     check_vmcs_write(VMCS_TSC_OFFSET, tsc_offset_low);
-    PrintDebug("Stored 0x %x %x into vmcs TSC offset.\n", 
+
+    PrintDebug("Stored 0x%x_%x into vmcs TSC offset.\n", 
               tsc_offset_high, tsc_offset_low);
     if (info->vm_info->run_state == VM_STOPPED) {
        info->vm_info->run_state = VM_RUNNING;
@@ -692,10 +695,9 @@ int v3_vmx_enter(struct guest_info * info) {
        return -1;
     }
 
-    v3_pause_time(info);
-#ifdef OPTION_TIME_MASK_OVERHEAD
-    v3_offset_time(info, -VMX_ENTRY_OVERHEAD);
-#endif
+    /* If this guest is frequency-lagged behind host time, wait 
+     * for the appropriate host time. */
+    v3_adjust_time(info);
 
     info->num_exits++;