/* (c) 2008, Peter Dinda <pdinda@northwestern.edu> */
/* (c) 2008, The V3VEE Project <http://www.v3vee.org> */
+
+
+
#include <devices/generic.h>
#include <palacios/vmm.h>
#include <palacios/vmm_types.h>
-
+#include <palacios/vmm_list.h>
#define MEM_HOOKS 0 // not yet implmented in device model
#define IRQ_HOOKS 0 // not yet implemented in device model
+
struct generic_internal {
- generic_port_range_type *port_ranges;
- uint_t num_port_ranges;
- generic_address_range_type *address_ranges;
- uint_t num_address_ranges;
- generic_irq_range_type *irq_ranges;
- uint_t num_irq_ranges;
+ struct list_head port_list;
+ uint_t num_port_ranges;
+ struct list_head mem_list;
+ uint_t num_mem_ranges;
+ struct list_head irq_list;
+ uint_t num_irq_ranges;
};
-
-#ifdef RAMDISK_BOOT
-#include <devices/ramdisk.h>
-//ramdisk_state
-static struct ramdisk_t *ramdisk_state;
-#endif
+struct port_range {
+ uint_t start;
+ uint_t end;
+ uint_t type;
+ struct list_head range_link;
+};
+
+struct mem_range {
+ void * start;
+ void * end;
+ uint_t type;
+ struct list_head range_link;
+};
+struct irq_range {
+ uint_t start;
+ uint_t end;
+ uint_t type;
+ struct list_head range_link;
+};
-int generic_start_device(struct vm_device *dev)
+int generic_start_device(struct vm_device * dev)
{
PrintDebug("generic: start device\n");
return 0;
}
-int generic_stop_device(struct vm_device *dev)
+int generic_stop_device(struct vm_device * dev)
{
PrintDebug("generic: stop device\n");
return 0;
PrintDebug(" to port 0x%x ... ", port);
-#ifdef RAMDISK_BOOT
-
- uint_t err;
-
- if (((port >= 0x170 && port <= 0x177) || port == 0x376 || port == 0x377)
- && (dev->vm->cpu_mode == REAL)) {
-
-
- err = ramdisk_state->eops.write_port(port, src, length, dev);
-
- }else{
-#endif
switch (length) {
case 1:
+<<<<<<< HEAD:palacios/src/devices/generic.c
+=======
+
+>>>>>>> ramdisk:palacios/src/devices/generic.c
v3_outb(port,((uchar_t*)src)[0]);
break;
case 2:
break;
case 4:
v3_outdw(port,((uint_t*)src)[0]);
+<<<<<<< HEAD:palacios/src/devices/generic.c
+=======
+
+>>>>>>> ramdisk:palacios/src/devices/generic.c
break;
default:
for (i = 0; i < length; i++) {
v3_outb(port, ((uchar_t*)src)[i]);
}
} //switch length
-#ifdef RAMDISK_BOOT
- }//else not ramdisk
-#endif
+
+
PrintDebug(" done\n");
return length;
PrintDebug("generic: reading 0x%x bytes from port 0x%x ...", length, port);
-#ifdef RAMDISK_BOOT
-
- uint_t err;
-
- if (((port >= 0x170 && port <= 0x177) || port == 0x376 || port == 0x377)
- && (dev->vm->cpu_mode == REAL)) {
-
- err = ramdisk_state->eops.read_port(port, src, length, dev);
-
- }else{
-#endif
switch (length) {
case 1:
((uchar_t*)src)[i] = v3_inb(port);
}
}//switch length
-#ifdef RAMDISK_BOOT
- }//else not ramdisk
-#endif
PrintDebug(" done ... read 0x");
PrintDebug("%x", ((uchar_t*)src)[i]);
}
- PrintDebug(" to port 0x%x ... ", port);
-
- PrintDebug(" ignored\n");
-
-#ifdef RAMDISK_BOOT
-
- uint_t err;
-
- if (((port >= 0x3e8 && port <= 0x3ef) ||
- (port >= 0x2e8 && port <= 0x2ef))
- && (dev->vm->cpu_mode == REAL)) {
-
- err = ramdisk_state->eops.write_port_ignore(port, src, length, dev);
- }
-#endif
+ PrintDebug(" to port 0x%x ... ignored\n", port);
return length;
}
PrintDebug("generic: reading 0x%x bytes from port 0x%x ...", length, port);
- memset((char*)src,0,length);
+ memset((char*)src, 0, length);
PrintDebug(" ignored (return zeroed buffer)\n");
-#ifdef RAMDISK_BOOT
-
- uint_t err;
-
- if (((port >= 0x3e8 && port <= 0x3ef) ||
- (port >= 0x2e8 && port <= 0x2ef))
- && (dev->vm->cpu_mode == REAL)) {
-
- err = ramdisk_state->eops.read_port_ignore(port, src, length, dev);
- }
-#endif
-
return length;
}
-int generic_interrupt(uint_t irq,
- struct vm_device * dev)
-{
+int generic_interrupt(uint_t irq, struct vm_device * dev) {
PrintDebug("generic: interrupt 0x%x - injecting into VM\n", irq);
dev->vm->vm_ops.raise_irq(dev->vm, irq);
return 0;
-
}
-int generic_init_device(struct vm_device * dev)
-{
- struct generic_internal *state = (struct generic_internal *)(dev->private_data);
- uint_t i, j;
+int generic_init_device(struct vm_device * dev) {
+ struct generic_internal * state = (struct generic_internal *)(dev->private_data);
PrintDebug("generic: init_device\n");
-
- // Would read state here
-
generic_reset_device(dev);
- for (i = 0; i < state->num_port_ranges; i++) {
- PrintDebug("generic: hooking ports 0x%x to 0x%x as %x\n", state->port_ranges[i][0], state->port_ranges[i][1], state->port_ranges[i][2]==GENERIC_PRINT_AND_PASSTHROUGH ? "print-and-passthrough" : "print-and-ignore");
-#if PORT_HOOKS
- for (j = state->port_ranges[i][0]; j <= state->port_ranges[i][1]; j++) {
- if (state->port_ranges[i][2]==GENERIC_PRINT_AND_PASSTHROUGH) {
- if (dev_hook_io(dev, j, &generic_read_port_passthrough, &generic_write_port_passthrough)) {
- PrintDebug("generic: can't hook port 0x%x (already hooked?)\n", j);
- }
- } else if (state->port_ranges[i][2]==GENERIC_PRINT_AND_IGNORE) {
- if (dev_hook_io(dev, j, &generic_read_port_ignore, &generic_write_port_ignore)) {
- PrintDebug("generic: can't hook port 0x%x (already hooked?)\n", j);
- }
- }
+ if (PORT_HOOKS) { // This is a runtime conditional on a #define
+ struct port_range * tmp = NULL;
+
+ list_for_each_entry(tmp, &(state->port_list), range_link) {
+ uint_t i = 0;
+
+ PrintDebug("generic: hooking ports 0x%x to 0x%x as %x\n",
+ tmp->start, tmp->end,
+ (tmp->type == GENERIC_PRINT_AND_PASSTHROUGH) ? "print-and-passthrough" : "print-and-ignore");
+
+ for (i = tmp->start; i <= tmp->end; i++) {
+ if (tmp->type == GENERIC_PRINT_AND_PASSTHROUGH) {
+
+ if (dev_hook_io(dev, i, &generic_read_port_passthrough, &generic_write_port_passthrough)) {
+ PrintDebug("generic: can't hook port 0x%x (already hooked?)\n", i);
+ }
+
+ } else if (tmp->type == GENERIC_PRINT_AND_IGNORE) {
+
+ if (dev_hook_io(dev, i, &generic_read_port_ignore, &generic_write_port_ignore)) {
+ PrintDebug("generic: can't hook port 0x%x (already hooked?)\n", i);
+ }
+ }
+ }
+
}
-#else
+ } else {
PrintDebug("generic: hooking ports not supported\n");
-#endif
-
}
- for (i = 0; i < state->num_address_ranges; i++) {
- PrintDebug("generic: hooking addresses 0x%x to 0x%x\n",state->address_ranges[i][0],state->address_ranges[i][1]);
-#if MEM_HOOKS
- if (dev_hook_mem(dev, state->address_ranges[i][0], state->address_ranges[i][1])) {
- PrintDebug("generic: Can't hook addresses 0x%x to 0x%x (already hooked?)\n",
- state->address_ranges[i][0], state->address_ranges[i][1]);
+
+ if (MEM_HOOKS) { // This is a runtime conditional on a #define
+ struct mem_range * tmp;
+
+ list_for_each_entry(tmp, &(state->mem_list), range_link) {
+
+ PrintDebug("generic: hooking addresses 0x%x to 0x%x\n",
+ tmp->start, tmp->end);
+
+
+ if (dev_hook_mem(dev, tmp->start, tmp->end)) {
+ PrintDebug("generic: Can't hook addresses 0x%x to 0x%x (already hooked?)\n",
+ tmp->start, tmp->end);
+ }
}
-#else
+ } else {
PrintDebug("generic: hooking addresses not supported\n");
-#endif
-
}
- for (i = 0; i < state->num_irq_ranges; i++) {
- PrintDebug("generic: hooking irqs 0x%x to 0x%x\n",state->irq_ranges[i][0],state->irq_ranges[i][1]);
-#if IRQ_HOOKS
- for (j = state->irq_ranges[i][0]; j <= state->irq_ranges[i][1]; j++) {
- if (dev_hook_irq(dev, j, &generic_interrupt)) {
- PrintDebug("generic: can't hook irq 0x%x (already hooked?)\n", j);
+
+
+ if (IRQ_HOOKS) { // This is a runtime conditional on a #define
+ struct irq_range * tmp;
+
+ list_for_each_entry(tmp, &(state->irq_list), range_link) {
+ uint_t i;
+
+ PrintDebug("generic: hooking irqs 0x%x to 0x%x\n",
+ tmp->start, tmp->end);
+
+ for (i = tmp->start; i <= tmp->end; i++) {
+ if (dev_hook_irq(dev, i, &generic_interrupt)) {
+ PrintDebug("generic: can't hook irq 0x%x (already hooked?)\n", i);
+ }
}
+
}
-#else
+ } else {
PrintDebug("generic: hooking irqs not supported\n");
-#endif
-
}
-#ifdef RAMDISK_BOOT
- ramdisk_state->cops.init(ramdisk_state, dev);
-
-#endif
return 0;
}
-int generic_deinit_device(struct vm_device *dev)
-{
- struct generic_internal *state = (struct generic_internal *)(dev->private_data);
- uint_t i, j;
+int generic_deinit_device(struct vm_device * dev) {
+ struct generic_internal * state = (struct generic_internal *)(dev->private_data);
+
PrintDebug("generic: deinit_device\n");
-#ifdef RAMDISK_BOOT
- ramdisk_state->cops.close(ramdisk_state);
-
-#endif
+ if (IRQ_HOOKS) { // This is a runtime conditional on a #define
+ struct irq_range * tmp;
+ struct irq_range * cur;
+
+ list_for_each_entry_safe(cur, tmp, &(state->irq_list), range_link) {
+ uint_t i;
- for (i = 0; i < state->num_irq_ranges; i++) {
- PrintDebug("generic: unhooking irqs 0x%x to 0x%x\n", state->irq_ranges[i][0], state->irq_ranges[i][1]);
+ PrintDebug("generic: unhooking irqs 0x%x to 0x%x\n",
+ cur->start, cur->end);
+
-#if IRQ_HOOKS
- for (j = state->irq_ranges[i][0]; j <= state->irq_ranges[i][1]; j++) {
- if (dev_unhook_irq(dev, j)) {
- PrintDebug("generic: can't unhook irq 0x%x (already unhooked?)\n",j);
+ for (i = cur->start; i <= cur->end; i++) {
+ if (dev_unhook_irq(dev, i)) {
+ PrintDebug("generic: can't unhook irq 0x%x (already unhooked?)\n", i);
+ }
}
+
+ list_del(&(cur->range_link));
+ state->num_irq_ranges--;
+ V3_Free(cur);
}
-#else
+ } else {
PrintDebug("generic: unhooking irqs not supported\n");
-#endif
-
}
- for (i = 0; i < state->num_address_ranges; i++) {
- PrintDebug("generic: unhooking addresses 0x%x to 0x%x\n",state->address_ranges[i][0],state->address_ranges[i][1]);
-#if MEM_HOOKS
- if (dev_unhook_mem(dev, state->address_ranges[i][0], state->address_ranges[i][1])) {
- PrintDebug("generic: Can't unhook addresses 0x%x to 0x%x (already unhooked?)\n",
- state->address_ranges[i][0], state->address_ranges[i][1]);
+ if (MEM_HOOKS) {
+ struct mem_range * tmp;
+ struct mem_range * cur;
+
+ list_for_each_entry_safe(cur, tmp, &(state->mem_list), range_link) {
+
+ PrintDebug("generic: unhooking addresses 0x%x to 0x%x\n",
+ cur->start, cur->end);
+
+ if (dev_unhook_mem(dev, cur->start, cur->end)) {
+ PrintDebug("generic: Can't unhook addresses 0x%x to 0x%x (already unhooked?)\n",
+ cur->start, cur->end);
+ }
+
+ list_del(&(cur->range_link));
+ state->num_mem_ranges--;
+ V3_Free(cur);
}
-#else
+ } else {
PrintDebug("generic: unhooking addresses not supported\n");
-#endif
-
}
+
- for (i = 0; i < state->num_port_ranges; i++) {
- PrintDebug("generic: unhooking ports 0x%x to 0x%x\n",state->port_ranges[i][0],state->port_ranges[i][1]);
-
-#if PORT_HOOKS
- for (j = state->port_ranges[i][0]; j <= state->port_ranges[i][1]; j++) {
- if (dev_unhook_io(dev, j)) {
- PrintDebug("generic: can't unhook port 0x%x (already unhooked?)\n", j);
+ if (PORT_HOOKS) {
+ struct port_range * tmp;
+ struct port_range * cur;
+
+ list_for_each_entry_safe(cur, tmp, &(state->port_list), range_link) {
+ uint_t i;
+
+ PrintDebug("generic: unhooking ports 0x%x to 0x%x\n",
+ cur->start, cur->end);
+
+ for (i = cur->start; i <= cur->end; i++) {
+ if (dev_unhook_io(dev, i)) {
+ PrintDebug("generic: can't unhook port 0x%x (already unhooked?)\n", i);
+ }
}
+
+ list_del(&(cur->range_link));
+ state->num_port_ranges--;
+ V3_Free(cur);
}
-#else
+ } else {
PrintDebug("generic: unhooking ports not supported\n");
-#endif
-
}
+
+
generic_reset_device(dev);
return 0;
}
-struct vm_device *create_generic(generic_port_range_type port_ranges[],
- generic_address_range_type address_ranges[],
- generic_irq_range_type irq_ranges[])
-{
- struct generic_internal * generic_state = (struct generic_internal *)V3_Malloc(sizeof(struct generic_internal));
- int i;
- uint_t num_port_ranges, num_address_ranges, num_irq_ranges;
-
- num_port_ranges=0;
- if (port_ranges!=NULL) {
- i=0;
- while (port_ranges[i]!=NULL &&
- !(port_ranges[i][0]==0 && port_ranges[i][1]==0 && port_ranges[i][2]==0))
- { num_port_ranges++; i++; }
- }
+int v3_generic_add_port_range(struct vm_device * dev, uint_t start, uint_t end, uint_t type) {
-
- num_address_ranges=0;
- if (address_ranges!=NULL) {
- i=0;
- while (address_ranges[i]!=NULL &&
- !(address_ranges[i][0]==0 && address_ranges[i][1]==0 && address_ranges[i][2]==0))
- { num_address_ranges++; i++; }
- }
+ if (PORT_HOOKS) {
+ struct generic_internal * state = (struct generic_internal *)(dev->private_data);
- num_irq_ranges=0;
- if (irq_ranges!=NULL) {
- i=0;
- while (irq_ranges[i]!=NULL &&
- !(irq_ranges[i][0]==0 && irq_ranges[i][1]==0 && irq_ranges[i][2]==0) )
- { num_irq_ranges++; i++; }
- }
+ struct port_range * range = (struct port_range *)V3_Malloc(sizeof(struct port_range));
+ range->start = start;
+ range->end = end;
+ range->type = type;
-
- generic_state->num_port_ranges = num_port_ranges;
-
- if (num_port_ranges > 0) {
- generic_state->port_ranges = V3_Malloc(sizeof(generic_address_range_type) * num_port_ranges);
- memcpy(generic_state->port_ranges, port_ranges, sizeof(generic_port_range_type) * num_port_ranges);
+
+ PrintDebug("generic: Adding Port Range: 0x%x to 0x%x as %x\n",
+ range->start, range->end,
+ (range->type == GENERIC_PRINT_AND_PASSTHROUGH) ? "print-and-passthrough" : "print-and-ignore");
+
+ list_add(&(range->range_link), &(state->port_list));
+ state->num_port_ranges++;
} else {
- generic_state->port_ranges = NULL;
+ PrintDebug("generic: hooking IO ports not supported\n");
+ return -1;
}
+ return 0;
+}
- generic_state->num_address_ranges = num_address_ranges;
+int v3_generic_add_mem_range(struct vm_device * dev, void * start, void * end, uint_t type) {
- if (num_address_ranges > 0) {
- generic_state->address_ranges = V3_Malloc(sizeof(generic_address_range_type) * num_address_ranges);
- memcpy(generic_state->address_ranges, address_ranges, sizeof(generic_address_range_type) * num_address_ranges);
+ if (MEM_HOOKS) {
+ struct generic_internal * state = (struct generic_internal *)(dev->private_data);
+
+ struct mem_range * range = (struct mem_range *)V3_Malloc(sizeof(struct mem_range));
+ range->start = start;
+ range->end = end;
+ range->type = type;
+
+ list_add(&(range->range_link), &(state->port_list));
+ state->num_mem_ranges++;
} else {
- generic_state->address_ranges = NULL;
+ PrintDebug("generic: hooking memory not supported\n");
+ return -1;
}
+ return 0;
+}
+
- generic_state->num_irq_ranges = num_irq_ranges;
+int v3_generic_add_irq_range(struct vm_device * dev, uint_t start, uint_t end, uint_t type) {
- if (num_irq_ranges > 0) {
- generic_state->irq_ranges = V3_Malloc(sizeof(generic_address_range_type) * num_irq_ranges);
- memcpy(generic_state->irq_ranges, irq_ranges, sizeof(generic_irq_range_type) * num_port_ranges);
+ if (IRQ_HOOKS) {
+ struct generic_internal * state = (struct generic_internal *)(dev->private_data);
+
+ struct irq_range * range = (struct irq_range *)V3_Malloc(sizeof(struct irq_range));
+ range->start = start;
+ range->end = end;
+ range->type = type;
+
+ list_add(&(range->range_link), &(state->port_list));
+ state->num_irq_ranges++;
} else {
- generic_state->irq_ranges = NULL;
+ PrintDebug("generic: hooking IRQs not supported\n");
+ return -1;
}
-#ifdef RAMDISK_BOOT
+ return 0;
+}
- ramdisk_state = create_ramdisk();
- V3_ASSERT(ramdisk_state != NULL);
-#endif
- struct vm_device *device = create_device("GENERIC", &dev_ops, generic_state);
+struct vm_device * create_generic() {
+ struct generic_internal * generic_state = (struct generic_internal *)V3_Malloc(sizeof(struct generic_internal));
+
+ generic_state->num_port_ranges = 0;
+ generic_state->num_mem_ranges = 0;
+ generic_state->num_irq_ranges = 0;
+
+ INIT_LIST_HEAD(&(generic_state->port_list));
+ INIT_LIST_HEAD(&(generic_state->mem_list));
+ INIT_LIST_HEAD(&(generic_state->irq_list));
+
+ struct vm_device * device = create_device("GENERIC", &dev_ops, generic_state);
return device;
}
