/* (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>
#define IRQ_HOOKS 0 // not yet implemented in device model
struct generic_internal {
- generic_port_range_type *port_ranges;
+ generic_port_range_type * port_ranges;
uint_t num_port_ranges;
- generic_address_range_type *address_ranges;
+ generic_address_range_type * address_ranges;
uint_t num_address_ranges;
- generic_irq_range_type *irq_ranges;
+ generic_irq_range_type * irq_ranges;
uint_t num_irq_ranges;
};
-
-#ifdef RAMDISK_BOOT
-#include <devices/ramdisk.h>
-//ramdisk_state
-static struct ramdisk_t *ramdisk_state;
-#endif
-
-
-
int generic_reset_device(struct vm_device * dev)
{
-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:
- Out_Byte(port,((uchar_t*)src)[0]);
+ Out_Byte(port, ((uchar_t*)src)[0]);
break;
case 2:
- Out_Word(port,((ushort_t*)src)[0]);
+ Out_Word(port, ((ushort_t*)src)[0]);
break;
case 4:
- Out_DWord(port,((uint_t*)src)[0]);
+ Out_DWord(port, ((uint_t*)src)[0]);
break;
default:
for (i = 0; i < length; i++) {
Out_Byte(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] = In_Byte(port);
}
}//switch length
-#ifdef RAMDISK_BOOT
- }//else not ramdisk
-#endif
PrintDebug(" done ... read 0x");
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
-
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);
+int generic_init_device(struct vm_device * dev) {
+ struct generic_internal * state = (struct generic_internal *)(dev->private_data);
uint_t i, j;
PrintDebug("generic: init_device\n");
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);
- }
- }
+ 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) { // This is a runtime conditional on a #define
+ 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);
+ }
+
+ }
+ }
+ } else {
+ PrintDebug("generic: hooking ports not supported\n");
}
-#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]);
- }
-#else
- PrintDebug("generic: hooking addresses not supported\n");
-#endif
+ PrintDebug("generic: hooking addresses 0x%x to 0x%x\n",
+ state->address_ranges[i][0], state->address_ranges[i][1]);
+ if (MEM_HOOKS) { // This is a runtime conditional on a #define
+ 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]);
+ }
+ } else {
+ PrintDebug("generic: hooking addresses not supported\n");
+ }
}
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);
+ PrintDebug("generic: hooking irqs 0x%x to 0x%x\n",
+ state->irq_ranges[i][0], state->irq_ranges[i][1]);
+
+ if (IRQ_HOOKS) { // This is a runtime conditional on a #define
+ 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);
+ }
}
+ } else {
+ PrintDebug("generic: hooking irqs not supported\n");
}
-#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)
-{
+int generic_deinit_device(struct vm_device * dev) {
struct generic_internal *state = (struct generic_internal *)(dev->private_data);
uint_t i, j;
PrintDebug("generic: deinit_device\n");
-#ifdef RAMDISK_BOOT
-
- ramdisk_state->cops.close(ramdisk_state);
-
-#endif
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",
+ state->irq_ranges[i][0], state->irq_ranges[i][1]);
+
+ if (IRQ_HOOKS) { // This is a runtime conditional on a #define
+ 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);
+ }
-#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);
}
+ } else {
+ PrintDebug("generic: unhooking irqs not supported\n");
}
-#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]);
- }
-#else
- PrintDebug("generic: unhooking addresses not supported\n");
-#endif
+ 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]);
+
+ }
+ } else {
+ PrintDebug("generic: unhooking addresses not supported\n");
+ }
}
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]);
+ 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) {
+ 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);
+ }
}
+ } else {
+ PrintDebug("generic: unhooking ports not supported\n");
}
-#else
- PrintDebug("generic: unhooking ports not supported\n");
-#endif
}
{
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++; }
+ uint_t num_port_ranges;
+ uint_t num_address_ranges;
+ uint_t 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++;
+ }
}
- 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++; }
+ 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++;
+ }
}
- 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++; }
+ 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++;
+ }
}
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);
+
+ 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));
+
} else {
generic_state->port_ranges = NULL;
}
generic_state->num_address_ranges = num_address_ranges;
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);
+ memcpy(generic_state->address_ranges, address_ranges,
+ (sizeof(generic_address_range_type) * num_address_ranges));
+
} else {
generic_state->address_ranges = NULL;
}
generic_state->num_irq_ranges = num_irq_ranges;
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);
+ memcpy(generic_state->irq_ranges, irq_ranges,
+ (sizeof(generic_irq_range_type) * num_port_ranges));
+
} else {
generic_state->irq_ranges = NULL;
}
-#ifdef RAMDISK_BOOT
-
- ramdisk_state = create_ramdisk();
- V3_ASSERT(ramdisk_state != NULL);
-
-#endif
-
struct vm_device *device = create_device("GENERIC", &dev_ops, generic_state);
return device;