Merge remote-tracking branch 'bonzini/hw-dirs' into staging

# By Paolo Bonzini
# Via Paolo Bonzini
* bonzini/hw-dirs: (35 commits)
  hw: move private headers to hw/ subdirectories.
  MAINTAINERS: update for source code movement
  hw: move last file to hw/arm/
  hw: move hw/kvm/ to hw/i386/kvm
  hw: move ARM CPU cores to hw/cpu/, configure with default-configs/
  hw: move other devices to hw/misc/, configure with default-configs/
  hw: move NVRAM interfaces to hw/nvram/, configure with default-configs/
  hw: move GPIO interfaces to hw/gpio/, configure with default-configs/
  hw: move interrupt controllers to hw/intc/, configure with default-configs/
  hw: move DMA controllers to hw/dma/, configure with default-configs/
  hw: move VFIO and ivshmem to hw/misc/
  hw: move PCI bridges to hw/pci-* or hw/ARCH
  hw: move SD/MMC devices to hw/sd/, configure with default-configs/
  hw: move timer devices to hw/timer/, configure with default-configs/
  hw: move ISA bridges and devices to hw/isa/, configure with default-configs/
  hw: move char devices to hw/char/, configure via default-configs/
  hw: move more files to hw/xen/
  hw: move SCSI controllers to hw/scsi/, configure via default-configs/
  hw: move SSI controllers to hw/ssi/, configure via default-configs/
  hw: move I2C controllers to hw/i2c/, configure via default-configs/
  ...

Message-id: 1365442249-18259-1-git-send-email-pbonzini@redhat.com
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>

1 files changed, 75 insertions, 0 deletions

diff --git a/hw/misc/debugexit.c b/hw/misc/debugexit.c
new file mode 100644
index 0000000000..59bed5bff5
--- /dev/null
+++ b/hw/misc/debugexit.c
@@ -0,0 +1,75 @@
+/*
+ * debug exit port emulation
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 or
+ * (at your option) any later version.
+ */
+
+#include "hw/hw.h"
+#include "hw/isa/isa.h"
+
+#define TYPE_ISA_DEBUG_EXIT_DEVICE "isa-debug-exit"
+#define ISA_DEBUG_EXIT_DEVICE(obj) \
+     OBJECT_CHECK(ISADebugExitState, (obj), TYPE_ISA_DEBUG_EXIT_DEVICE)
+
+typedef struct ISADebugExitState {
+    ISADevice parent_obj;
+
+    uint32_t iobase;
+    uint32_t iosize;
+    MemoryRegion io;
+} ISADebugExitState;
+
+static void debug_exit_write(void *opaque, hwaddr addr, uint64_t val,
+                             unsigned width)
+{
+    exit((val << 1) | 1);
+}
+
+static const MemoryRegionOps debug_exit_ops = {
+    .write = debug_exit_write,
+    .valid.min_access_size = 1,
+    .valid.max_access_size = 4,
+    .endianness = DEVICE_LITTLE_ENDIAN,
+};
+
+static int debug_exit_initfn(ISADevice *dev)
+{
+    ISADebugExitState *isa = ISA_DEBUG_EXIT_DEVICE(dev);
+
+    memory_region_init_io(&isa->io, &debug_exit_ops, isa,
+                          TYPE_ISA_DEBUG_EXIT_DEVICE, isa->iosize);
+    memory_region_add_subregion(isa_address_space_io(dev),
+                                isa->iobase, &isa->io);
+    return 0;
+}
+
+static Property debug_exit_properties[] = {
+    DEFINE_PROP_HEX32("iobase", ISADebugExitState, iobase, 0x501),
+    DEFINE_PROP_HEX32("iosize", ISADebugExitState, iosize, 0x02),
+    DEFINE_PROP_END_OF_LIST(),
+};
+
+static void debug_exit_class_initfn(ObjectClass *klass, void *data)
+{
+    DeviceClass *dc = DEVICE_CLASS(klass);
+    ISADeviceClass *ic = ISA_DEVICE_CLASS(klass);
+    ic->init = debug_exit_initfn;
+    dc->props = debug_exit_properties;
+}
+
+static const TypeInfo debug_exit_info = {
+    .name          = TYPE_ISA_DEBUG_EXIT_DEVICE,
+    .parent        = TYPE_ISA_DEVICE,
+    .instance_size = sizeof(ISADebugExitState),
+    .class_init    = debug_exit_class_initfn,
+};
+
+static void debug_exit_register_types(void)
+{
+    type_register_static(&debug_exit_info);
+}
+
+type_init(debug_exit_register_types)