Palacios Public Git Repository

To checkout Palacios execute

  git clone http://v3vee.org/palacios/palacios.web/palacios.git
This will give you the master branch. You probably want the devel branch or one of the release branches. To switch to the devel branch, simply execute
  cd palacios
  git checkout --track -b devel origin/devel
The other branches are similar.


fixed configuration macro checks and a few configuration bugs
[palacios.git] / palacios / src / devices / apic.c
index 92e6683..2d95008 100644 (file)
@@ -24,7 +24,7 @@
 #include <palacios/vmm_msr.h>
 
 
-#ifndef DEBUG_APIC
+#ifndef CONFIG_DEBUG_APIC
 #undef PrintDebug
 #define PrintDebug(fmt, args...)
 #endif
@@ -333,7 +333,7 @@ static int apic_do_eoi(struct apic_state * apic) {
        uchar_t flag = 0x1 << minor_offset;
        uchar_t * svc_location = apic->int_svc_reg + major_offset;
        
-       PrintDebug("Received APIC EOI\n");
+       PrintDebug("Received APIC EOI for IRQ %d\n", isr_irq);
        
        *svc_location &= ~flag;
 
@@ -979,7 +979,7 @@ static void apic_update_time(ullong_t cpu_cycles, ullong_t cpu_freq, void * priv
     }
 
     tmr_ticks = cpu_cycles >> shift_num;
-    PrintDebug("Timer Ticks: %p\n", (void *)tmr_ticks);
+    //    PrintDebug("Timer Ticks: %p\n", (void *)tmr_ticks);
 
     if (tmr_ticks < apic->tmr_cur_cnt) {
        apic->tmr_cur_cnt -= tmr_ticks;
@@ -991,6 +991,10 @@ static void apic_update_time(ullong_t cpu_cycles, ullong_t cpu_freq, void * priv
        PrintDebug("Raising APIC Timer interrupt (periodic=%d) (icnt=%d) (div=%d)\n", 
                   apic->tmr_vec_tbl.tmr_mode, apic->tmr_init_cnt, shift_num);
 
+       if (apic_intr_pending(priv_data)) {
+           PrintDebug("Overriding pending IRQ %d\n", apic_get_intr_number(priv_data));
+       }
+
        if (activate_internal_irq(apic, APIC_TMR_INT) == -1) {
            PrintError("Could not raise Timer interrupt\n");
        }
@@ -1020,23 +1024,9 @@ static struct vm_timer_ops timer_ops = {
 };
 
 
-static int apic_init(struct vm_device * dev) {
-    struct guest_info * info = dev->vm;
-    struct apic_state * apic = (struct apic_state *)(dev->private_data);
-
-    v3_register_intr_controller(dev->vm, &intr_ops, dev);
-    v3_add_timer(dev->vm, &timer_ops, dev);
-
-    init_apic_state(apic);
-
-    v3_hook_msr(info, BASE_ADDR_MSR, read_apic_msr, write_apic_msr, dev);
 
-    v3_hook_full_mem(info, apic->base_addr, apic->base_addr + PAGE_SIZE_4KB, apic_read, apic_write, dev);
 
-    return 0;
-}
-
-static int apic_deinit(struct vm_device * dev) {
+static int apic_free(struct vm_device * dev) {
     struct guest_info * info = dev->vm;
 
     v3_unhook_msr(info, BASE_ADDR_MSR);
@@ -1045,21 +1035,39 @@ static int apic_deinit(struct vm_device * dev) {
 }
 
 
-static struct vm_device_ops dev_ops = {
-    .init = apic_init,
-    .deinit = apic_deinit,
+static struct v3_device_ops dev_ops = {
+    .free = apic_free,
     .reset = NULL,
     .start = NULL,
     .stop = NULL,
 };
 
 
-struct vm_device * v3_create_apic() {
+
+static int apic_init(struct guest_info * vm, void * cfg_data) {
     PrintDebug("Creating APIC\n");
 
     struct apic_state * apic = (struct apic_state *)V3_Malloc(sizeof(struct apic_state));
 
-    struct vm_device * device = v3_create_device("APIC", &dev_ops, apic);
-  
-    return device;
+    struct vm_device * dev = v3_allocate_device("LAPIC", &dev_ops, apic);
+
+    if (v3_attach_device(vm, dev) == -1) {
+       PrintError("Could not attach device %s\n", "LAPIC");
+       return -1;
+    }
+
+    v3_register_intr_controller(vm, &intr_ops, dev);
+    v3_add_timer(vm, &timer_ops, dev);
+
+    init_apic_state(apic);
+
+    v3_hook_msr(vm, BASE_ADDR_MSR, read_apic_msr, write_apic_msr, dev);
+
+    v3_hook_full_mem(vm, apic->base_addr, apic->base_addr + PAGE_SIZE_4KB, apic_read, apic_write, dev);
+
+    return 0;
 }
+
+
+
+device_register("LAPIC", apic_init)