#include <devices/generic.h>
-#include <geekos/io.h>
#include <palacios/vmm.h>
#include <palacios/vmm_types.h>
+#include <geekos/io.h>
-#define GENERIC_DEBUG 1
-
-#if GENERIC_DEBUG
-#define GENERIC_DEBUG_PRINT(first, rest...) do { SerialPrint(first, ## rest ); } while (0)
-#else
-#define GENERIC_DEBUG_PRINT(first, rest...)
+#ifndef DEBUG_GENERIC
+#undef PrintDebug
+#define PrintDebug(fmt, args...)
#endif
#define MEM_HOOKS 0 // not yet implmented in device model
#define IRQ_HOOKS 0 // not yet implemented in device model
-extern struct vmm_os_hooks *os_hooks;
-
-extern void SerialPrint(const char *format, ...);
-
-
-
struct generic_internal {
generic_port_range_type *port_ranges;
uint_t num_port_ranges;
int generic_reset_device(struct vm_device * dev)
{
- GENERIC_DEBUG_PRINT("generic: reset device\n");
+ PrintDebug("generic: reset device\n");
return 0;
int generic_start_device(struct vm_device *dev)
{
- GENERIC_DEBUG_PRINT("generic: start device\n");
+ PrintDebug("generic: start device\n");
return 0;
}
int generic_stop_device(struct vm_device *dev)
{
- GENERIC_DEBUG_PRINT("generic: stop device\n");
+ PrintDebug("generic: stop device\n");
return 0;
}
-int generic_write_port(ushort_t port,
- void * src,
- uint_t length,
- struct vm_device * dev)
+int generic_write_port_passthrough(ushort_t port,
+ void * src,
+ uint_t length,
+ struct vm_device * dev)
{
uint_t i;
- GENERIC_DEBUG_PRINT("generic: writing 0x");
- for (i=0;i<length;i++) {
- GENERIC_DEBUG_PRINT("%x",((uchar_t*)src)[i]);
+ PrintDebug("generic: writing 0x");
+
+ for (i = 0; i < length; i++) {
+ PrintDebug("%x", ((uchar_t*)src)[i]);
}
- GENERIC_DEBUG_PRINT(" to port 0x%x ... ",port);
- for (i=0;i<length;i++) {
- Out_Byte(port,((uchar_t*)src)[i]);
+
+ PrintDebug(" to port 0x%x ... ", port);
+
+ switch (length) {
+ case 1:
+ Out_Byte(port,((uchar_t*)src)[0]);
+ break;
+ case 2:
+ Out_Word(port,((ushort_t*)src)[0]);
+ break;
+ case 4:
+ Out_DWord(port,((uint_t*)src)[0]);
+ break;
+ default:
+ for (i = 0; i < length; i++) {
+ Out_Byte(port, ((uchar_t*)src)[i]);
+ }
}
- GENERIC_DEBUG_PRINT(" done\n");
+
+ PrintDebug(" done\n");
return length;
}
-int generic_read_port(ushort_t port,
- void * src,
- uint_t length,
- struct vm_device * dev)
+int generic_read_port_passthrough(ushort_t port,
+ void * src,
+ uint_t length,
+ struct vm_device * dev)
{
uint_t i;
- GENERIC_DEBUG_PRINT("generic: reading 0x%x bytes from port 0x%x ...",length,port);
- for (i=0;i<length;i++) {
- ((uchar_t*)src)[i] =In_Byte(port);
+ PrintDebug("generic: reading 0x%x bytes from port 0x%x ...", length, port);
+
+ switch (length) {
+ case 1:
+ ((uchar_t*)src)[0] = In_Byte(port);
+ break;
+ case 2:
+ ((ushort_t*)src)[0] = In_Word(port);
+ break;
+ case 4:
+ ((uint_t*)src)[0] = In_DWord(port);
+ break;
+ default:
+ for (i = 0; i < length; i++) {
+ ((uchar_t*)src)[i] = In_Byte(port);
+ }
+ }
+
+ PrintDebug(" done ... read 0x");
+
+ for (i = 0; i < length; i++) {
+ PrintDebug("%x", ((uchar_t*)src)[i]);
}
- GENERIC_DEBUG_PRINT(" done ... read 0x");
- for (i=0;i<length;i++) {
- GENERIC_DEBUG_PRINT("%x",((uchar_t*)src)[i]);
+
+ PrintDebug("\n");
+
+ return length;
+}
+
+int generic_write_port_ignore(ushort_t port,
+ void * src,
+ uint_t length,
+ struct vm_device * dev)
+{
+ uint_t i;
+
+ PrintDebug("generic: writing 0x");
+
+ for (i = 0; i < length; i++) {
+ PrintDebug("%x", ((uchar_t*)src)[i]);
}
- GENERIC_DEBUG_PRINT("\n");
+
+ PrintDebug(" to port 0x%x ... ", port);
+
+ PrintDebug(" ignored\n");
+
+ return length;
+}
+
+int generic_read_port_ignore(ushort_t port,
+ void * src,
+ uint_t length,
+ struct vm_device * dev)
+{
+
+ PrintDebug("generic: reading 0x%x bytes from port 0x%x ...", length, port);
+
+ memset((char*)src,0,length);
+ PrintDebug(" ignored (return zeroed buffer)\n");
return length;
}
int generic_interrupt(uint_t irq,
struct vm_device * dev)
{
- PrintDebug("generic: interrupt 0x%x - injecting into VM\n",irq);
+ PrintDebug("generic: interrupt 0x%x - injecting into VM\n", irq);
- dev->vm->vm_ops.raise_irq(dev->vm,irq,0);
+ 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;
+ struct generic_internal *state = (struct generic_internal *)(dev->private_data);
+ uint_t i, j;
- GENERIC_DEBUG_PRINT("generic: init_device\n");
+ PrintDebug("generic: init_device\n");
// Would read state here
generic_reset_device(dev);
- for (i=0;i<state->num_port_ranges;i++) {
- GENERIC_DEBUG_PRINT("generic: hooking ports 0x%x to 0x%x\n",state->port_ranges[i][0],state->port_ranges[i][1]);
+ 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 (dev_hook_io(dev, j, &generic_read_port, &generic_write_port)) {
- GENERIC_DEBUG_PRINT("generic: can't hook port 0x%x (already hooked?)\n",j);
- }
+ 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
- GENERIC_DEBUG_PRINT("generic: hooking ports not supported\n");
+ PrintDebug("generic: hooking ports not supported\n");
#endif
}
- for (i=0;i<state->num_address_ranges;i++) {
- GENERIC_DEBUG_PRINT("generic: hooking addresses 0x%x to 0x%x\n",state->address_ranges[i][0],state->address_ranges[i][1]);
+ 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])) {
- GENERIC_DEBUG_PRINT("generic: Can't hook addresses 0x%x to 0x%x (already hooked?)\n",
- state->address_ranges[i][0],state->address_ranges[i][1]);
+ 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
- GENERIC_DEBUG_PRINT("generic: hooking addresses not supported\n");
+ PrintDebug("generic: hooking addresses not supported\n");
#endif
}
- for (i=0;i<state->num_irq_ranges;i++) {
- GENERIC_DEBUG_PRINT("generic: hooking irqs 0x%x to 0x%x\n",state->irq_ranges[i][0],state->irq_ranges[i][1]);
+ 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)) {
- GENERIC_DEBUG_PRINT("generic: can't hook irq 0x%x (already hooked?)\n",j);
+ 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
- GENERIC_DEBUG_PRINT("generic: hooking irqs not supported\n");
+ PrintDebug("generic: hooking irqs not supported\n");
#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;
+ struct generic_internal *state = (struct generic_internal *)(dev->private_data);
+ uint_t i, j;
- GENERIC_DEBUG_PRINT("generic: deinit_device\n");
+ PrintDebug("generic: deinit_device\n");
+
+ 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]);
- for (i=0;i<state->num_irq_ranges;i++) {
- GENERIC_DEBUG_PRINT("generic: unhooking 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++) {
+ for (j = state->irq_ranges[i][0]; j <= state->irq_ranges[i][1]; j++) {
if (dev_unhook_irq(dev, j)) {
- GENERIC_DEBUG_PRINT("generic: can't unhook irq 0x%x (already unhooked?)\n",j);
+ PrintDebug("generic: can't unhook irq 0x%x (already unhooked?)\n",j);
}
}
#else
- GENERIC_DEBUG_PRINT("generic: unhooking irqs not supported\n");
+ PrintDebug("generic: unhooking irqs not supported\n");
#endif
}
- for (i=0;i<state->num_address_ranges;i++) {
- GENERIC_DEBUG_PRINT("generic: unhooking addresses 0x%x to 0x%x\n",state->address_ranges[i][0],state->address_ranges[i][1]);
+ 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])) {
- GENERIC_DEBUG_PRINT("generic: Can't unhook addresses 0x%x to 0x%x (already unhooked?)\n",
- state->address_ranges[i][0],state->address_ranges[i][1]);
+ 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
- GENERIC_DEBUG_PRINT("generic: unhooking addresses not supported\n");
+ PrintDebug("generic: unhooking addresses not supported\n");
#endif
+
}
- for (i=0;i<state->num_port_ranges;i++) {
- GENERIC_DEBUG_PRINT("generic: unhooking ports 0x%x to 0x%x\n",state->port_ranges[i][0],state->port_ranges[i][1]);
+ 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++) {
+ for (j = state->port_ranges[i][0]; j <= state->port_ranges[i][1]; j++) {
if (dev_unhook_io(dev, j)) {
- GENERIC_DEBUG_PRINT("generic: can't unhook port 0x%x (already unhooked?)\n",j);
+ PrintDebug("generic: can't unhook port 0x%x (already unhooked?)\n", j);
}
}
#else
- GENERIC_DEBUG_PRINT("generic: unhooking ports not supported\n");
+ PrintDebug("generic: unhooking ports not supported\n");
#endif
}
struct vm_device *create_generic(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)
+ generic_irq_range_type irq_ranges[])
{
- struct generic_internal * generic_state = os_hooks->malloc(sizeof(struct generic_internal));
+ 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++; }
+ }
+
+ 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++; }
+ }
+
- generic_state->num_port_ranges=num_port_ranges;
- if (num_port_ranges>0) {
- generic_state->port_ranges = os_hooks->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->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);
} else {
- generic_state->port_ranges=NULL;
+ generic_state->port_ranges = NULL;
}
- generic_state->num_address_ranges=num_address_ranges;
- if (num_address_ranges>0) {
- generic_state->address_ranges = os_hooks->malloc(sizeof(generic_address_range_type)*num_address_ranges);
- memcpy(generic_state->address_ranges,address_ranges,sizeof(generic_address_range_type)*num_address_ranges);
+
+ 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);
} else {
- generic_state->address_ranges=NULL;
+ generic_state->address_ranges = NULL;
}
- generic_state->num_irq_ranges=num_irq_ranges;
- if (num_irq_ranges>0) {
- generic_state->irq_ranges = os_hooks->malloc(sizeof(generic_address_range_type)*num_irq_ranges);
- memcpy(generic_state->irq_ranges,irq_ranges,sizeof(generic_irq_range_type)*num_port_ranges);
+
+
+ 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);
} else {
- generic_state->irq_ranges=NULL;
+ generic_state->irq_ranges = NULL;
}
