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.


*** empty log message ***
Jack Lange [Fri, 2 May 2008 20:33:38 +0000 (20:33 +0000)]
palacios/src/devices/8259a.c
palacios/src/geekos/vm.c
palacios/src/geekos/vmm_stubs.c
palacios/src/palacios/svm_handler.c
palacios/src/palacios/vmm_intr.c

index 52d84e9..31aa28a 100644 (file)
@@ -162,12 +162,16 @@ static int pic_get_intr_number(void * private_data) {
     if (i <= 7) {
       if (((state->master_irr & ~(state->master_imr)) >> i) == 0x01) {
        state->master_isr |= (0x1 << i);
+       // reset the irr
+       state->master_irr &= ~(0x1 << i);
+       PrintDebug("IRQ: %d, icw2: %x\n", i, state->master_icw2);
        return i + state->master_icw2;
       }
     } else {
-      if (((state->slave_irr & ~(state->slave_imr)) >> i) == 0x01) {
-       state->slave_isr |= (0x1 << i);
-       return i + state->slave_icw2;
+      if (((state->slave_irr & ~(state->slave_imr)) >> (i - 8)) == 0x01) {
+       state->slave_isr |= (0x1 << (i - 8));
+       state->slave_irr &= ~(0x1 << (i - 8));
+       return (i - 8) + state->slave_icw2;
       }
     }
   }
@@ -198,9 +202,6 @@ static struct intr_ctrl_ops intr_ops = {
 
 
 
-
-
-
 int read_master_port1(ushort_t port, void * dst, uint_t length, struct vm_device * dev) {
   struct pic_internal * state = (struct pic_internal*)dev->private_data;
   if (length != 1) {
@@ -270,17 +271,27 @@ int write_master_port1(ushort_t port, void * src, uint_t length, struct vm_devic
   if (state->master_state == ICW1) {
     state->master_icw1 = cw;
     state->master_state = ICW2;
+
   } else if (state->master_state == READY) {
     if (IS_OCW2(cw)) {
       // handle the EOI here
       struct ocw2 * cw2 =  (struct ocw2*)&cw;
+
       
       if ((cw2->EOI) && (!cw2->R) && (cw2->SL)) {
        // specific EOI;
        state->master_isr &= ~(0x01 << cw2->level);
       } else if ((cw2->EOI) & (!cw2->R) && (!cw2->SL)) {
+       int i;
        // Non-specific EOI
-       
+       PrintDebug("Pre ISR = %x\n", state->master_isr);
+       for (i = 0; i < 8; i++) {
+         if (state->master_isr & (0x01 << i)) {
+           state->master_isr &= ~(0x01 << i);
+           break;
+         }
+       }       
+               PrintDebug("Post ISR = %x\n", state->master_isr);
       } else {
        // error;
       }
@@ -309,6 +320,7 @@ int write_master_port2(ushort_t port, void * src, uint_t length, struct vm_devic
     if (state->master_state == ICW2) {
       struct icw1 * cw1 = (struct icw1 *)&(state->master_icw1);
 
+      PrintDebug("Setting ICW2 = %x\n", cw);
       state->master_icw2 = cw;
 
       if (cw1->sngl == 0) {
@@ -362,7 +374,16 @@ int write_slave_port1(ushort_t port, void * src, uint_t length, struct vm_device
        // specific EOI;
        state->slave_isr &= ~(0x01 << cw2->level);
       } else if ((cw2->EOI) & (!cw2->R) && (!cw2->SL)) {
-       // non specific EOI
+       int i;
+       // Non-specific EOI
+       PrintDebug("Pre ISR = %x\n", state->slave_isr);
+       for (i = 0; i < 8; i++) {
+         if (state->slave_isr & (0x01 << i)) {
+           state->slave_isr &= ~(0x01 << i);
+           break;
+         }
+       }       
+               PrintDebug("Post ISR = %x\n", state->slave_isr);
       } else {
        // error;
       }
index e6beb43..bc7c727 100644 (file)
@@ -315,6 +315,8 @@ int RunVMM(struct Boot_Info * bootInfo) {
       }
 
       hook_irq(&vm_info, 6);
+      hook_irq(&vm_info, 14);
+      hook_irq(&vm_info, 15);
 
       vm_info.rip = 0xfff0;
       vm_info.vm_regs.rsp = 0x0;
index 25f300b..6a436b8 100644 (file)
@@ -52,10 +52,9 @@ struct guest_info * irq_map[256];
 static void pic_intr_handler(struct Interrupt_State * state) {
   Begin_IRQ(state);
   struct guest_info * info =   irq_map[state->intNum - 32];
-  SerialPrint("Interrupt %d\n", state->intNum);
+  SerialPrint("Interrupt %d (IRQ=%d)\n", state->intNum, state->intNum - 32);
 
   if (info) {
-    SerialPrint("Calling handler(info=%x)->%x\n", info, info->vm_ops.raise_irq);
     info->vm_ops.raise_irq(info, state->intNum - 32, state->errorCode);
   } else {
     SerialPrint("Interrupt handler error: NULL pointer found, no action taken\n");
index 55b75fb..8277335 100644 (file)
@@ -136,13 +136,10 @@ int handle_svm_exit(struct guest_info * info) {
 
   if (intr_pending(&(info->intr_state))) {
 
-    guest_ctrl->EVENTINJ.vector = get_intr_number(&(info->intr_state));
-    guest_ctrl->EVENTINJ.valid = 1;
-
-    PrintDebug("Injecting Interrupt %d\n", guest_ctrl->EVENTINJ.vector);
     switch (get_intr_type(&(info->intr_state))) {
     case EXTERNAL_IRQ:
+      guest_ctrl->EVENTINJ.vector = get_intr_number(&(info->intr_state));
+      guest_ctrl->EVENTINJ.valid = 1;
       guest_ctrl->EVENTINJ.type = SVM_INJECTION_EXTERNAL_INTR;
       break;
     case NMI:
@@ -165,6 +162,10 @@ int handle_svm_exit(struct guest_info * info) {
       return -1;
     }
 
+
+    PrintDebug("Injecting Interrupt %d\n", guest_ctrl->EVENTINJ.vector);
+
     // IMPORTANT TODO
     // We need to figure out stack parameters....
 
index 801e414..dd36143 100644 (file)
@@ -68,7 +68,7 @@ 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;
+    return intr->controller->get_intr_number(intr->controller_state);
   }
 
   /* someway to get the [A]PIC intr */