diff options
Diffstat (limited to 'hw/misc/vmport.c')
| -rw-r--r-- | hw/misc/vmport.c | 181 |
1 files changed, 0 insertions, 181 deletions
diff --git a/hw/misc/vmport.c b/hw/misc/vmport.c deleted file mode 100644 index 165500223f..0000000000 --- a/hw/misc/vmport.c +++ /dev/null @@ -1,181 +0,0 @@ -/* - * 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) |