#include <palacios/vmm_msr.h>
-#ifndef DEBUG_APIC
+#ifndef CONFIG_DEBUG_APIC
#undef PrintDebug
#define PrintDebug(fmt, args...)
#endif
for (j = 7; j >= 0; j--) {
uchar_t flag = 0x1 << j;
if ((*svc_major) & flag) {
-
-
return ((i * 8) + j);
}
}
for (j = 7; j >= 0; j--) {
uchar_t flag = 0x1 << j;
if ((*req_major) & flag) {
-
-
return ((i * 8) + j);
}
}
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;
-#ifdef CRAY_XT
+#ifdef CONFIG_CRAY_XT
if ((isr_irq == 238) ||
(isr_irq == 239)) {
}
static int apic_raise_intr(void * private_data, int irq) {
-#ifdef CRAY_XT
+#ifdef CONFIG_CRAY_XT
// The Seastar is connected directly to the LAPIC via LINT0 on the ICC bus
if (irq == 238) {
*svc_location |= flag;
*req_location &= ~flag;
-#ifdef CRAY_XT
+#ifdef CONFIG_CRAY_XT
if ((irq == 238) || (irq == 239)) {
PrintError("APIC: Begin IRQ %d (ISR=%x), (IRR=%x)\n", irq, *svc_location, *req_location);
}
}
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;
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");
}
};
-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);
}
-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)