i386/pc: move vmport.c to hw/i386/
It's a x86-only device, so it does not make sense to keep it
in the shared misc folder.
Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Reviewed-by: Thomas Huth <thuth@redhat.com>
Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
diff --git a/hw/i386/vmport.c b/hw/i386/vmport.c
new file mode 100644
index 0000000..eb880c6
--- /dev/null
+++ b/hw/i386/vmport.c
@@ -0,0 +1,182 @@
+/*
+ * QEMU VMPort emulation
+ *
+ * Copyright (C) 2007 Hervé Poussineau
+ *
+ * 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
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ */
+#include "qemu/osdep.h"
+#include "hw/hw.h"
+#include "hw/isa/isa.h"
+#include "hw/i386/pc.h"
+#include "sysemu/hw_accel.h"
+#include "hw/qdev.h"
+
+/* #define VMPORT_DEBUG */
+
+#define VMPORT_CMD_GETVERSION 0x0a
+#define VMPORT_CMD_GETRAMSIZE 0x14
+
+#define VMPORT_ENTRIES 0x2c
+#define VMPORT_MAGIC 0x564D5868
+
+#define VMPORT(obj) OBJECT_CHECK(VMPortState, (obj), TYPE_VMPORT)
+
+typedef struct VMPortState {
+ ISADevice parent_obj;
+
+ MemoryRegion io;
+ VMPortReadFunc *func[VMPORT_ENTRIES];
+ void *opaque[VMPORT_ENTRIES];
+} VMPortState;
+
+static VMPortState *port_state;
+
+void vmport_register(unsigned char command, VMPortReadFunc *func, void *opaque)
+{
+ if (command >= VMPORT_ENTRIES) {
+ return;
+ }
+
+ port_state->func[command] = func;
+ port_state->opaque[command] = opaque;
+}
+
+static uint64_t vmport_ioport_read(void *opaque, hwaddr addr,
+ unsigned size)
+{
+ VMPortState *s = opaque;
+ CPUState *cs = current_cpu;
+ X86CPU *cpu = X86_CPU(cs);
+ CPUX86State *env = &cpu->env;
+ unsigned char command;
+ uint32_t eax;
+
+ cpu_synchronize_state(cs);
+
+ eax = env->regs[R_EAX];
+ if (eax != VMPORT_MAGIC) {
+ return eax;
+ }
+
+ command = env->regs[R_ECX];
+ if (command >= VMPORT_ENTRIES) {
+ return eax;
+ }
+ if (!s->func[command]) {
+#ifdef VMPORT_DEBUG
+ fprintf(stderr, "vmport: unknown command %x\n", command);
+#endif
+ return eax;
+ }
+
+ return s->func[command](s->opaque[command], addr);
+}
+
+static void vmport_ioport_write(void *opaque, hwaddr addr,
+ uint64_t val, unsigned size)
+{
+ X86CPU *cpu = X86_CPU(current_cpu);
+
+ cpu->env.regs[R_EAX] = vmport_ioport_read(opaque, addr, 4);
+}
+
+static uint32_t vmport_cmd_get_version(void *opaque, uint32_t addr)
+{
+ X86CPU *cpu = X86_CPU(current_cpu);
+
+ cpu->env.regs[R_EBX] = VMPORT_MAGIC;
+ return 6;
+}
+
+static uint32_t vmport_cmd_ram_size(void *opaque, uint32_t addr)
+{
+ X86CPU *cpu = X86_CPU(current_cpu);
+
+ cpu->env.regs[R_EBX] = 0x1177;
+ return ram_size;
+}
+
+/* vmmouse helpers */
+void vmmouse_get_data(uint32_t *data)
+{
+ X86CPU *cpu = X86_CPU(current_cpu);
+ CPUX86State *env = &cpu->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)
+{
+ X86CPU *cpu = X86_CPU(current_cpu);
+ CPUX86State *env = &cpu->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 const MemoryRegionOps vmport_ops = {
+ .read = vmport_ioport_read,
+ .write = vmport_ioport_write,
+ .impl = {
+ .min_access_size = 4,
+ .max_access_size = 4,
+ },
+ .endianness = DEVICE_LITTLE_ENDIAN,
+};
+
+static void vmport_realizefn(DeviceState *dev, Error **errp)
+{
+ ISADevice *isadev = ISA_DEVICE(dev);
+ VMPortState *s = VMPORT(dev);
+
+ memory_region_init_io(&s->io, OBJECT(s), &vmport_ops, s, "vmport", 1);
+ isa_register_ioport(isadev, &s->io, 0x5658);
+
+ port_state = s;
+ /* Register some generic port commands */
+ vmport_register(VMPORT_CMD_GETVERSION, vmport_cmd_get_version, NULL);
+ vmport_register(VMPORT_CMD_GETRAMSIZE, vmport_cmd_ram_size, NULL);
+}
+
+static void vmport_class_initfn(ObjectClass *klass, void *data)
+{
+ DeviceClass *dc = DEVICE_CLASS(klass);
+
+ dc->realize = vmport_realizefn;
+ /* Reason: realize sets global port_state */
+ dc->user_creatable = false;
+}
+
+static const TypeInfo vmport_info = {
+ .name = TYPE_VMPORT,
+ .parent = TYPE_ISA_DEVICE,
+ .instance_size = sizeof(VMPortState),
+ .class_init = vmport_class_initfn,
+};
+
+static void vmport_register_types(void)
+{
+ type_register_static(&vmport_info);
+}
+
+type_init(vmport_register_types)
