X-Git-Url: http://v3vee.org/palacios/gitweb/gitweb.cgi?a=blobdiff_plain;f=palacios%2Fsrc%2Fdevices%2F8259a.c;h=325f41651614337ff16128e8c38dd32383628686;hb=3b85ebc98b3f850992ffbfa1cb6e8d6ad777515b;hp=5edec8c82865a209d4fa380e205c0ac211cd01b6;hpb=19b2e4b4ce85ae4e683a3ede33360bdf7547b069;p=palacios.git

diff --git a/palacios/src/devices/8259a.c b/palacios/src/devices/8259a.c
index 5edec8c..325f416 100644
--- a/palacios/src/devices/8259a.c
+++ b/palacios/src/devices/8259a.c
@@ -190,7 +190,7 @@ static void DumpPICState(struct pic_internal *p)
 }
 
 
-static int pic_raise_intr(struct guest_info * info, void * private_data, int irq) {
+static int pic_raise_intr(struct v3_vm_info * vm, void * private_data, int irq) {
     struct pic_internal * state = (struct pic_internal*)private_data;
 
     if (irq == 2) {
@@ -209,11 +209,13 @@ static int pic_raise_intr(struct guest_info * info, void * private_data, int irq
 	return -1;
     }
 
+    v3_interrupt_cpu(vm, 0);
+
     return 0;
 }
 
 
-static int pic_lower_intr(struct guest_info * info, void * private_data, int irq) {
+static int pic_lower_intr(struct v3_vm_info * vm, void * private_data, int irq) {
     struct pic_internal * state = (struct pic_internal*)private_data;
 
     PrintDebug("[pic_lower_intr] IRQ line %d now low\n", irq);
@@ -333,16 +335,16 @@ static int pic_begin_irq(struct guest_info * info, void * private_data, int irq)
 static struct intr_ctrl_ops intr_ops = {
     .intr_pending = pic_intr_pending,
     .get_intr_number = pic_get_intr_number,
-    .raise_intr = pic_raise_intr,
-    .begin_irq = pic_begin_irq,
-    .lower_intr = pic_lower_intr, 
-
+    .begin_irq = pic_begin_irq
 };
 
+static struct intr_router_ops router_ops = {
+    .raise_intr = pic_raise_intr,
+    .lower_intr = pic_lower_intr
+};
 
 
-
-static int read_master_port1(ushort_t port, void * dst, uint_t length, struct vm_device * dev) {
+static int read_master_port1(struct guest_info * core, 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) {
@@ -361,7 +363,7 @@ static int read_master_port1(ushort_t port, void * dst, uint_t length, struct vm
     return 1;
 }
 
-static int read_master_port2(ushort_t port, void * dst, uint_t length, struct vm_device * dev) {
+static int read_master_port2(struct guest_info * core, 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) {
@@ -375,7 +377,7 @@ static int read_master_port2(ushort_t port, void * dst, uint_t length, struct vm
   
 }
 
-static int read_slave_port1(ushort_t port, void * dst, uint_t length, struct vm_device * dev) {
+static int read_slave_port1(struct guest_info * core, 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) {
@@ -394,7 +396,7 @@ static int read_slave_port1(ushort_t port, void * dst, uint_t length, struct vm_
     return 1;
 }
 
-static int read_slave_port2(ushort_t port, void * dst, uint_t length, struct vm_device * dev) {
+static int read_slave_port2(struct guest_info * core, 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) {
@@ -408,7 +410,7 @@ static int read_slave_port2(ushort_t port, void * dst, uint_t length, struct vm_
 }
 
 
-static int write_master_port1(ushort_t port, void * src, uint_t length, struct vm_device * dev) {
+static int write_master_port1(struct guest_info * core, ushort_t port, void * src, uint_t length, struct vm_device * dev) {
     struct pic_internal * state = (struct pic_internal*)dev->private_data;
     uchar_t cw = *(uchar_t *)src;
 
@@ -419,6 +421,8 @@ static int write_master_port1(ushort_t port, void * src, uint_t length, struct v
         return -1;
     }
 
+    v3_clear_pending_intr(core);
+
     if (IS_ICW1(cw)) {
 
         PrintDebug("8259 PIC: Setting ICW1 = %x (wr_Master1)\n", cw);
@@ -470,7 +474,7 @@ static int write_master_port1(ushort_t port, void * src, uint_t length, struct v
     return 1;
 }
 
-static int write_master_port2(ushort_t port, void * src, uint_t length, struct vm_device * dev) {
+static int write_master_port2(struct guest_info * core, ushort_t port, void * src, uint_t length, struct vm_device * dev) {
     struct pic_internal * state = (struct pic_internal*)dev->private_data;
     uchar_t cw = *(uchar_t *)src;    
 
@@ -481,12 +485,16 @@ static int write_master_port2(ushort_t port, void * src, uint_t length, struct v
         return -1;
     }
 
+    v3_clear_pending_intr(core);
+
     if (state->master_state == ICW2) {
         struct icw1 * cw1 = (struct icw1 *)&(state->master_icw1);
 
         PrintDebug("8259 PIC: Setting ICW2 = %x (wr_Master2)\n", cw);
         state->master_icw2 = cw;
 
+
+
         if (cw1->sngl == 0) {
             state->master_state = ICW3;
         } else if (cw1->ic4 == 1) {
@@ -495,6 +503,8 @@ static int write_master_port2(ushort_t port, void * src, uint_t length, struct v
             state->master_state = READY;
         }
 
+
+
     } else if (state->master_state == ICW3) {
         struct icw1 * cw1 = (struct icw1 *)&(state->master_icw1);
 
@@ -525,7 +535,7 @@ static int write_master_port2(ushort_t port, void * src, uint_t length, struct v
     return 1;
 }
 
-static int write_slave_port1(ushort_t port, void * src, uint_t length, struct vm_device * dev) {
+static int write_slave_port1(struct guest_info * core, ushort_t port, void * src, uint_t length, struct vm_device * dev) {
     struct pic_internal * state = (struct pic_internal*)dev->private_data;
     uchar_t cw = *(uchar_t *)src;
 
@@ -537,6 +547,8 @@ static int write_slave_port1(ushort_t port, void * src, uint_t length, struct vm
 	return -1;
     }
 
+    v3_clear_pending_intr(core);
+
     if (IS_ICW1(cw)) {
 	PrintDebug("8259 PIC: Setting ICW1 = %x (wr_Slave1)\n", cw);
 	state->slave_icw1 = cw;
@@ -584,7 +596,7 @@ static int write_slave_port1(ushort_t port, void * src, uint_t length, struct vm
     return 1;
 }
 
-static int write_slave_port2(ushort_t port, void * src, uint_t length, struct vm_device * dev) {
+static int write_slave_port2(struct guest_info * core, ushort_t port, void * src, uint_t length, struct vm_device * dev) {
     struct pic_internal * state = (struct pic_internal*)dev->private_data;
     uchar_t cw = *(uchar_t *)src;    
 
@@ -595,6 +607,9 @@ static int write_slave_port2(ushort_t port, void * src, uint_t length, struct vm
         return -1;
     }
 
+    v3_clear_pending_intr(core);
+
+
     if (state->slave_state == ICW2) {
         struct icw1 * cw1 =  (struct icw1 *)&(state->master_icw1);
 
@@ -641,7 +656,7 @@ static int write_slave_port2(ushort_t port, void * src, uint_t length, struct vm
 
 
 
-static int read_elcr_port(ushort_t port, void * dst, uint_t length, struct vm_device * dev) {
+static int read_elcr_port(struct guest_info * core, 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) {
@@ -663,7 +678,7 @@ static int read_elcr_port(ushort_t port, void * dst, uint_t length, struct vm_de
 }
 
 
-static int write_elcr_port(ushort_t port, void * src, uint_t length, struct vm_device * dev) {
+static int write_elcr_port(struct guest_info * core, ushort_t port, void * src, uint_t length, struct vm_device * dev) {
     struct pic_internal * state = (struct pic_internal*)dev->private_data;
     
     if (length != 1) {
@@ -713,20 +728,29 @@ static struct v3_device_ops dev_ops = {
 
 
 
-static int pic_init(struct guest_info * vm, void * cfg_data) {
+#include <palacios/vm_guest.h>
+
+static int pic_init(struct v3_vm_info * vm, v3_cfg_tree_t * cfg) {
     struct pic_internal * state = NULL;
     state = (struct pic_internal *)V3_Malloc(sizeof(struct pic_internal));
+    char * name = v3_cfg_val(cfg, "name");
+
+    // PIC is only usable in non-multicore environments
+    // just hardcode the core context
+    struct guest_info * core = &(vm->cores[0]);
+
     V3_ASSERT(state != NULL);
 
-    struct vm_device * dev = v3_allocate_device("8259A", &dev_ops, state);
+    struct vm_device * dev = v3_allocate_device(name, &dev_ops, state);
 
     if (v3_attach_device(vm, dev) == -1) {
-	PrintError("Could not attach device %s\n", "8259A");
+	PrintError("Could not attach device %s\n", name);
 	return -1;
     }
 
 
-    v3_register_intr_controller(vm, &intr_ops, state);
+    v3_register_intr_controller(core, &intr_ops, state);
+    v3_register_intr_router(vm, &router_ops, state);
 
     state->master_irr = 0;
     state->master_isr = 0;