#include <palacios/vmm_intr.h>
-
+#include <palacios/vmm.h>
#include <palacios/vm_guest.h>
-void init_interrupt_state(struct vm_intr * state) {
- state->excp_pending = 0;
- state->excp_num = 0;
- state->excp_error_code = 0;
+void init_interrupt_state(struct guest_info * info) {
+ info->intr_state.excp_pending = 0;
+ info->intr_state.excp_num = 0;
+ info->intr_state.excp_error_code = 0;
+
+ info->vm_ops.raise_irq = &raise_irq;
+}
+
+void set_intr_controller(struct guest_info * info, struct intr_ctrl_ops * ops, void * state) {
+ info->intr_state.controller = ops;
+ info->intr_state.controller_state = state;
}
+
int raise_exception(struct guest_info * info, uint_t excp) {
/* We can't stack exceptions,
}
+int raise_irq(struct guest_info * info, int irq, int error_code) {
+ // Look up PIC and resend
+ info->intr_state.controller->raise_intr(info->intr_state.controller_state, irq, error_code);
+
+ return 0;
+}
+
+
int intr_pending(struct vm_intr * intr) {
if (intr->excp_pending) {
return 1;
+ } else if (intr->controller->intr_pending(intr->controller_state)) {
+ return 1;
}
/* Check [A]PIC */
uint_t get_intr_number(struct vm_intr * intr) {
if (intr->excp_pending) {
return intr->excp_num;
- }
+ } else if (intr->controller->intr_pending(intr->controller_state)) {
+ return intr->controller->get_intr_number(intr->controller_state) + 32;
+ }
/* someway to get the [A]PIC intr */
uint_t get_intr_type(struct vm_intr * intr) {
if (intr->excp_pending) {
return EXCEPTION;
+ } else if (intr->controller->intr_pending(intr->controller_state)) {
+ return EXTERNAL_IRQ;
}
return INVALID_INTR;
}
+
+int hook_irq(struct guest_info * info, int irq) {
+ extern struct vmm_os_hooks * os_hooks;
+
+ return os_hooks->hook_interrupt(info, irq);
+}