/*
* QEMU VMMouse emulation
- *
+ *
* Copyright (C) 2007 Anthony Liguori <anthony@codemonkey.ws>
- *
+ *
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
-#include "vl.h"
+#include "hw.h"
+#include "console.h"
+#include "ps2.h"
+#include "pc.h"
+#include "qdev.h"
/* debug only vmmouse */
//#define DEBUG_VMMOUSE
#define VMMOUSE_QUEUE_SIZE 1024
-#define VMMOUSE_MAGIC 0x564D5868
#define VMMOUSE_VERSION 0x3442554a
#ifdef DEBUG_VMMOUSE
typedef struct _VMMouseState
{
+ ISADevice dev;
uint32_t queue[VMMOUSE_QUEUE_SIZE];
+ int32_t queue_size;
uint16_t nb_queue;
uint16_t status;
uint8_t absolute;
void *ps2_mouse;
} VMMouseState;
-static uint32_t vmmouse_get_version(VMMouseState *s, uint32_t *magic)
-{
- DPRINTF("vmmouse_get_version(%x)\n", *magic);
- *magic = VMMOUSE_MAGIC;
- return VMMOUSE_VERSION;
-}
-
static uint32_t vmmouse_get_status(VMMouseState *s)
{
DPRINTF("vmmouse_get_status()\n");
/* need to still generate PS2 events to notify driver to
read from queue */
- ps2_mouse_fake_event(s->ps2_mouse);
+ i8042_isa_mouse_fake_event(s->ps2_mouse);
}
-static void vmmouse_update_handler(VMMouseState *s)
+static void vmmouse_remove_handler(VMMouseState *s)
{
if (s->entry) {
qemu_remove_mouse_event_handler(s->entry);
s->entry = NULL;
}
- if (s->status == 0)
+}
+
+static void vmmouse_update_handler(VMMouseState *s, int absolute)
+{
+ if (s->status != 0) {
+ return;
+ }
+ if (s->absolute != absolute) {
+ s->absolute = absolute;
+ vmmouse_remove_handler(s);
+ }
+ if (s->entry == NULL) {
s->entry = qemu_add_mouse_event_handler(vmmouse_mouse_event,
s, s->absolute,
"vmmouse");
+ qemu_activate_mouse_event_handler(s->entry);
+ }
}
static void vmmouse_read_id(VMMouseState *s)
s->queue[s->nb_queue++] = VMMOUSE_VERSION;
s->status = 0;
- vmmouse_update_handler(s);
}
static void vmmouse_request_relative(VMMouseState *s)
{
DPRINTF("vmmouse_request_relative()\n");
- s->absolute = 0;
- vmmouse_update_handler(s);
+ vmmouse_update_handler(s, 0);
}
static void vmmouse_request_absolute(VMMouseState *s)
{
DPRINTF("vmmouse_request_absolute()\n");
- s->absolute = 1;
- vmmouse_update_handler(s);
+ vmmouse_update_handler(s, 1);
}
static void vmmouse_disable(VMMouseState *s)
{
DPRINTF("vmmouse_disable()\n");
s->status = 0xffff;
- vmmouse_update_handler(s);
+ vmmouse_remove_handler(s);
}
static void vmmouse_data(VMMouseState *s, uint32_t *data, uint32_t size)
if (size == 0 || size > 6 || size > s->nb_queue) {
printf("vmmouse: driver requested too much data %d\n", size);
s->status = 0xffff;
- vmmouse_update_handler(s);
+ vmmouse_remove_handler(s);
return;
}
memmove(s->queue, &s->queue[size], sizeof(s->queue[0]) * s->nb_queue);
}
-static void vmmouse_get_data(uint32_t *data)
-{
- CPUState *env = cpu_single_env;
-
- data[0] = env->regs[R_EAX]; data[1] = env->regs[R_EBX];
- data[2] = env->regs[R_ECX]; data[3] = env->regs[R_EDX];
- data[4] = env->regs[R_ESI]; data[5] = env->regs[R_EDI];
-
- DPRINTF("get_data = {%x, %x, %x, %x, %x, %x}\n",
- data[0], data[1], data[2], data[3], data[4], data[5]);
-}
-
-static void vmmouse_set_data(const uint32_t *data)
-{
- CPUState *env = cpu_single_env;
-
- DPRINTF("set_data = {%x, %x, %x, %x, %x, %x}\n",
- data[0], data[1], data[2], data[3], data[4], data[5]);
-
- env->regs[R_EAX] = data[0]; env->regs[R_EBX] = data[1];
- env->regs[R_ECX] = data[2]; env->regs[R_EDX] = data[3];
- env->regs[R_ESI] = data[4]; env->regs[R_EDI] = data[5];
-}
-
static uint32_t vmmouse_ioport_read(void *opaque, uint32_t addr)
{
VMMouseState *s = opaque;
uint16_t command;
vmmouse_get_data(data);
- if (data[0] != VMMOUSE_MAGIC)
- goto error;
command = data[2] & 0xFFFF;
switch (command) {
- case VMMOUSE_GETVERSION:
- data[0] = vmmouse_get_version(s, &data[1]);
- break;
case VMMOUSE_STATUS:
data[0] = vmmouse_get_status(s);
break;
break;
}
-error:
vmmouse_set_data(data);
return data[0];
}
-static void vmmouse_save(QEMUFile *f, void *opaque)
+static int vmmouse_post_load(void *opaque, int version_id)
{
VMMouseState *s = opaque;
- int i;
- qemu_put_be32(f, VMMOUSE_QUEUE_SIZE);
- for (i = 0; i < VMMOUSE_QUEUE_SIZE; i++)
- qemu_put_be32s(f, &s->queue[i]);
- qemu_put_be16s(f, &s->nb_queue);
- qemu_put_be16s(f, &s->status);
- qemu_put_8s(f, &s->absolute);
+ vmmouse_remove_handler(s);
+ vmmouse_update_handler(s, s->absolute);
+ return 0;
}
-static int vmmouse_load(QEMUFile *f, void *opaque, int version_id)
-{
- VMMouseState *s = opaque;
- int i;
-
- if (version_id != 0)
- return -EINVAL;
-
- if (qemu_get_be32(f) != VMMOUSE_QUEUE_SIZE)
- return -EINVAL;
- for (i = 0; i < VMMOUSE_QUEUE_SIZE; i++)
- qemu_get_be32s(f, &s->queue[i]);
- qemu_get_be16s(f, &s->nb_queue);
- qemu_get_be16s(f, &s->status);
- qemu_get_8s(f, &s->absolute);
+static const VMStateDescription vmstate_vmmouse = {
+ .name = "vmmouse",
+ .version_id = 0,
+ .minimum_version_id = 0,
+ .minimum_version_id_old = 0,
+ .post_load = vmmouse_post_load,
+ .fields = (VMStateField []) {
+ VMSTATE_INT32_EQUAL(queue_size, VMMouseState),
+ VMSTATE_UINT32_ARRAY(queue, VMMouseState, VMMOUSE_QUEUE_SIZE),
+ VMSTATE_UINT16(nb_queue, VMMouseState),
+ VMSTATE_UINT16(status, VMMouseState),
+ VMSTATE_UINT8(absolute, VMMouseState),
+ VMSTATE_END_OF_LIST()
+ }
+};
- vmmouse_update_handler(s);
+static void vmmouse_reset(DeviceState *d)
+{
+ VMMouseState *s = container_of(d, VMMouseState, dev.qdev);
- return 0;
+ s->status = 0xffff;
+ s->queue_size = VMMOUSE_QUEUE_SIZE;
}
-void *vmmouse_init(void *m)
+static int vmmouse_initfn(ISADevice *dev)
{
- VMMouseState *s = NULL;
+ VMMouseState *s = DO_UPCAST(VMMouseState, dev, dev);
DPRINTF("vmmouse_init\n");
- s = qemu_mallocz(sizeof(VMMouseState));
- if (!s)
- return NULL;
+ vmport_register(VMMOUSE_STATUS, vmmouse_ioport_read, s);
+ vmport_register(VMMOUSE_COMMAND, vmmouse_ioport_read, s);
+ vmport_register(VMMOUSE_DATA, vmmouse_ioport_read, s);
- s->status = 0xffff;
- s->ps2_mouse = m;
+ return 0;
+}
- register_ioport_read(0x5658, 1, 4, vmmouse_ioport_read, s);
- register_savevm("vmmouse", 0, 0, vmmouse_save, vmmouse_load, s);
+static ISADeviceInfo vmmouse_info = {
+ .init = vmmouse_initfn,
+ .qdev.name = "vmmouse",
+ .qdev.size = sizeof(VMMouseState),
+ .qdev.vmsd = &vmstate_vmmouse,
+ .qdev.no_user = 1,
+ .qdev.reset = vmmouse_reset,
+ .qdev.props = (Property[]) {
+ DEFINE_PROP_PTR("ps2_mouse", VMMouseState, ps2_mouse),
+ DEFINE_PROP_END_OF_LIST(),
+ }
+};
- return s;
+static void vmmouse_dev_register(void)
+{
+ isa_qdev_register(&vmmouse_info);
}
-
+device_init(vmmouse_dev_register)
projects / qemu.git / blobdiff