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, 81 insertions, 0 deletions

diff --git a/hw/isa/isa_mmio.c b/hw/isa/isa_mmio.c
new file mode 100644
index 0000000000..d4dbf13831
--- /dev/null
+++ b/hw/isa/isa_mmio.c
@@ -0,0 +1,81 @@
+/*
+ * Memory mapped access to ISA IO space.
+ *
+ * Copyright (c) 2006 Fabrice Bellard
+ *
+ * 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 "hw/hw.h"
+#include "hw/isa/isa.h"
+#include "exec/address-spaces.h"
+
+static void isa_mmio_writeb (void *opaque, hwaddr addr,
+                                  uint32_t val)
+{
+    cpu_outb(addr & IOPORTS_MASK, val);
+}
+
+static void isa_mmio_writew(void *opaque, hwaddr addr,
+                               uint32_t val)
+{
+    cpu_outw(addr & IOPORTS_MASK, val);
+}
+
+static void isa_mmio_writel(void *opaque, hwaddr addr,
+                               uint32_t val)
+{
+    cpu_outl(addr & IOPORTS_MASK, val);
+}
+
+static uint32_t isa_mmio_readb (void *opaque, hwaddr addr)
+{
+    return cpu_inb(addr & IOPORTS_MASK);
+}
+
+static uint32_t isa_mmio_readw(void *opaque, hwaddr addr)
+{
+    return cpu_inw(addr & IOPORTS_MASK);
+}
+
+static uint32_t isa_mmio_readl(void *opaque, hwaddr addr)
+{
+    return cpu_inl(addr & IOPORTS_MASK);
+}
+
+static const MemoryRegionOps isa_mmio_ops = {
+    .old_mmio = {
+        .write = { isa_mmio_writeb, isa_mmio_writew, isa_mmio_writel },
+        .read = { isa_mmio_readb, isa_mmio_readw, isa_mmio_readl, },
+    },
+    .endianness = DEVICE_LITTLE_ENDIAN,
+};
+
+void isa_mmio_setup(MemoryRegion *mr, hwaddr size)
+{
+    memory_region_init_io(mr, &isa_mmio_ops, NULL, "isa-mmio", size);
+}
+
+void isa_mmio_init(hwaddr base, hwaddr size)
+{
+    MemoryRegion *mr = g_malloc(sizeof(*mr));
+
+    isa_mmio_setup(mr, size);
+    memory_region_add_subregion(get_system_memory(), base, mr);
+}