#include <geekos/vmm_stubs.h>
#include <geekos/serial.h>
-#include <palacios/vm_guest.h>
#include <geekos/debug.h>
+#include <palacios/vmm.h>
+#include <palacios/vmm_host_events.h>
+
+
+struct guest_info * g_vm_guest = NULL;
+
+
+// This is the function the interface code should call to deliver
+// the interrupt to the vmm for handling
+//extern int v3_deliver_interrupt(struct guest_info * vm, struct v3_interrupt *intr);
+
+
+struct guest_info * irq_to_guest_map[256];
+
+void Init_Stubs(struct guest_info * info) {
+ memset(irq_to_guest_map, 0, sizeof(struct guest_info *) * 256);
+ g_vm_guest = info;
+}
+
+
void * Identity(void *addr) { return addr; };
Free(addr);
}
-//
-//
-// This is the interrupt state that the VMM's interrupt handlers need to see
-//
-struct vmm_intr_state {
- uint_t irq;
- uint_t error;
- uint_t should_ack; // Should the vmm ack this interrupt, or will
- // the host OS do it?
- // This is the value given when the interrupt is hooked.
- // This will never be NULL
- void *opaque;
-};
+void send_key_to_vmm(unsigned char status, unsigned char scancode) {
+ struct v3_keyboard_event evt;
-// This is the function the interface code should call to deliver
-// the interrupt to the vmm for handling
-extern void deliver_interrupt_to_vmm(struct vmm_intr_state *state);
+ evt.status = status;
+ evt.scan_code = scancode;
+ if (g_vm_guest) {
+ v3_deliver_keyboard_event(g_vm_guest, &evt);
+ }
+}
-struct guest_info * irq_map[256];
-
-void *my_opaque[256];
+void send_mouse_to_vmm(unsigned char packet[3]) {
+ struct v3_mouse_event evt;
-static void translate_intr_handler(struct Interrupt_State *state)
-{
+ memcpy(evt.data, packet, 3);
+ if (g_vm_guest) {
+ v3_deliver_mouse_event(g_vm_guest, &evt);
+ }
+}
- struct vmm_intr_state mystate;
+void send_tick_to_vmm(unsigned int period_us) {
+ struct v3_timer_event evt;
- mystate.irq=state->intNum-32;
- mystate.error=state->errorCode;
- mystate.should_ack=0;
- mystate.opaque=my_opaque[mystate.irq];
+ evt.period_us = period_us;
- // PrintBoth("translate_intr_handler: opaque=0x%x\n",mystate.opaque);
+ if (g_vm_guest) {
+ v3_deliver_timer_event(g_vm_guest, &evt);
+ }
+}
- deliver_interrupt_to_vmm(&mystate);
- End_IRQ(state);
+void translate_intr_handler(struct Interrupt_State *state) {
+ struct v3_interrupt intr;
-}
+ intr.irq = state->intNum - 32;
+ intr.error = state->errorCode;
+ intr.should_ack = 0;
+ // PrintBoth("translate_intr_handler: opaque=0x%x\n",mystate.opaque);
-/*
-static void pic_intr_handler(struct Interrupt_State * state) {
- Begin_IRQ(state);
- struct guest_info * info = irq_map[state->intNum - 32];
- SerialPrint("Interrupt %d (IRQ=%d)\n", state->intNum, state->intNum - 32);
+ v3_deliver_irq(irq_to_guest_map[intr.irq], &intr);
- if (info) {
- info->vm_ops.raise_irq(info, state->intNum - 32);
- } else {
- SerialPrint("Interrupt handler error: NULL pointer found, no action taken\n");
- End_IRQ(state);
- return;
- }
+ End_IRQ(state);
- // End_IRQ(state);
}
-*/
-//
-//
-// I really don't know what the heck this is doing... PAD
-//
-/*
-int hook_irq_stub(struct guest_info * info, int irq) {
- if (irq_map[irq]) {
- return -1;
- }
-
- SerialPrint("Hooking IRQ: %d (vm=0x%x)\n", irq, info);
- irq_map[irq] = info;
- volatile void *foo = pic_intr_handler;
- // This is disabled for the time being
- foo = 0;
- Disable_IRQ(irq);
- Install_IRQ(irq, pic_intr_handler);
- Enable_IRQ(irq);
- return 0;
-}
-*/
-
-int geekos_hook_interrupt_new(uint_t irq, void * opaque)
+int geekos_hook_interrupt(struct guest_info * vm, unsigned int irq)
{
- if (my_opaque[irq]) {
+ if (irq_to_guest_map[irq]) {
PrintBoth("Attempt to hook interrupt that is already hooked\n");
return -1;
} else {
- PrintBoth("Hooked interrupt 0x%x with opaque 0x%x\n",irq,opaque);
- my_opaque[irq]=opaque;
+ PrintBoth("Hooked interrupt 0x%x with opaque 0x%x\n", irq, vm);
+ irq_to_guest_map[irq] = vm;
}
Disable_IRQ(irq);
- Install_IRQ(irq,translate_intr_handler);
+ Install_IRQ(irq, translate_intr_handler);
Enable_IRQ(irq);
return 0;
}
}
-void Init_Stubs() {
- memset(irq_map, 0, sizeof(struct guest_info *) * 256);
-}
unsigned int get_cpu_khz() {
return cpu_khz_freq;
}
+