Merge remote-tracking branch 'remotes/mjt/tags/trivial-patches-fetch' into staging

trivial patches for 2017-12-18

# gpg: Signature made Mon 18 Dec 2017 14:08:51 GMT
# gpg:                using RSA key 0x701B4F6B1A693E59
# gpg: Good signature from "Michael Tokarev <mjt@tls.msk.ru>"
# gpg:                 aka "Michael Tokarev <mjt@corpit.ru>"
# gpg:                 aka "Michael Tokarev <mjt@debian.org>"
# Primary key fingerprint: 6EE1 95D1 886E 8FFB 810D  4324 457C E0A0 8044 65C5
#      Subkey fingerprint: 7B73 BAD6 8BE7 A2C2 8931  4B22 701B 4F6B 1A69 3E59

* remotes/mjt/tags/trivial-patches-fetch: (60 commits)
  misc: drop old i386 dependency
  i386/pc: move vmmouse.c to hw/i386/
  i386/pc: move vmport.c to hw/i386/
  hw/misc/pvpanic: extract public API from i386/pc to "hw/misc/pvpanic.h"
  hw/net/ne2000: extract ne2k-isa code from i386/pc to ne2000-isa.c
  hw/display/vga: extract public API from i386/pc to "hw/display/vga.h"
  hw/display/vga: "vga_int.h" requires "ui/console.h"
  hw/display/vga: "vga.h" only contains registers defs, rename it "vga_regs.h"
  hw/acpi/ich9: extract ACPI_PM_PROP_TCO_ENABLED from i386/pc
  hw/acpi: ACPI_PM_* defines are not restricted to i386 arch
  hw/timer/mc146818: rename rtc_init() -> mc146818_rtc_init()
  hw/timer/i8254: rename pit_init() -> i8254_pit_init()
  hw/unicore32: restrict hw addr defines to source file
  hw/virtio-balloon: remove old i386 dependency
  hw/tpm: remove old i386 dependency
  hw/i2c: remove old i386 dependency
  hw/ipmi: remove old i386 dependency
  hw/ide: remove old i386 dependency
  misc: remove old i386 dependency
  amd_iommu: avoid needless includes in header file
  ...

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>

1 files changed, 182 insertions, 0 deletions

diff --git a/hw/i386/vmport.c b/hw/i386/vmport.c
new file mode 100644
index 0000000000..eb880c6def
--- /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)