x86: make vmmouse optional

Compile vmmouse in hwlib. Ignore failure if vmmouse device can't be
created.

Signed-off-by: Blue Swirl <blauwirbel@gmail.com>

4 files changed, 25 insertions, 26 deletions

diff --git a/hw/pc.c b/hw/pc.c
index cde20c06da..00fe04e9d7 100644
--- a/hw/pc.c
+++ b/hw/pc.c
@@ -1134,8 +1134,10 @@ void pc_basic_device_init(qemu_irq *isa_irq,
     i8042 = isa_create_simple("i8042");
     i8042_setup_a20_line(i8042, &a20_line[0]);
     vmport_init();
-    vmmouse = isa_create("vmmouse");
-    qdev_prop_set_ptr(&vmmouse->qdev, "ps2_mouse", i8042);
+    vmmouse = isa_try_create("vmmouse");
+    if (vmmouse) {
+        qdev_prop_set_ptr(&vmmouse->qdev, "ps2_mouse", i8042);
+    }
     port92 = isa_create_simple("port92");
     port92_init(port92, &a20_line[1]);
 
diff --git a/hw/pc.h b/hw/pc.h
index 3ae1462dd4..d5d2f42f96 100644
--- a/hw/pc.h
+++ b/hw/pc.h
@@ -70,6 +70,8 @@ static inline void vmport_init(void)
     isa_create_simple("vmport");
 }
 void vmport_register(unsigned char command, IOPortReadFunc *func, void *opaque);
+void vmmouse_get_data(uint32_t *data);
+void vmmouse_set_data(const uint32_t *data);
 
 /* pckbd.c */
 
diff --git a/hw/vmmouse.c b/hw/vmmouse.c
index 3b39144873..11b125c7af 100644
--- a/hw/vmmouse.c
+++ b/hw/vmmouse.c
@@ -178,30 +178,6 @@ static void vmmouse_data(VMMouseState *s, uint32_t *data, uint32_t size)
         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;
diff --git a/hw/vmport.c b/hw/vmport.c
index 4432be02f7..292d78ffb4 100644
--- a/hw/vmport.c
+++ b/hw/vmport.c
@@ -102,6 +102,25 @@ static uint32_t vmport_cmd_ram_size(void *opaque, uint32_t addr)
     return ram_size;
 }
 
+/* vmmouse helpers */
+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];
+}
+
+void vmmouse_set_data(const uint32_t *data)
+{
+    CPUState *env = cpu_single_env;
+
+    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 int vmport_initfn(ISADevice *dev)
 {
     VMPortState *s = DO_UPCAST(VMPortState, dev, dev);