Moving all kernel files around just to fuck with whoever's keeping track ;)

src/xenia/kernel/fs/devices/disc_image_entry.cc

@@ -0,0 +1,88 @@
+/**
+ ******************************************************************************
+ * Xenia : Xbox 360 Emulator Research Project                                 *
+ ******************************************************************************
+ * Copyright 2013 Ben Vanik. All rights reserved.                             *
+ * Released under the BSD license - see LICENSE in the root for more details. *
+ ******************************************************************************
+ */
+
+#include <xenia/kernel/fs/devices/disc_image_entry.h>
+
+#include <xenia/kernel/fs/gdfx.h>
+#include <xenia/kernel/fs/devices/disc_image_file.h>
+
+
+using namespace xe;
+using namespace xe::kernel;
+using namespace xe::kernel::fs;
+
+
+namespace {
+
+
+class DiscImageMemoryMapping : public MemoryMapping {
+public:
+  DiscImageMemoryMapping(uint8_t* address, size_t length, xe_mmap_ref mmap) :
+      MemoryMapping(address, length) {
+    mmap_ = xe_mmap_retain(mmap);
+  }
+
+  virtual ~DiscImageMemoryMapping() {
+    xe_mmap_release(mmap_);
+  }
+
+private:
+  xe_mmap_ref mmap_;
+};
+
+
+}
+
+
+DiscImageEntry::DiscImageEntry(Type type, Device* device, const char* path,
+                               xe_mmap_ref mmap, GDFXEntry* gdfx_entry) :
+    gdfx_entry_(gdfx_entry),
+    Entry(type, device, path) {
+  mmap_ = xe_mmap_retain(mmap);
+}
+
+DiscImageEntry::~DiscImageEntry() {
+  xe_mmap_release(mmap_);
+}
+
+X_STATUS DiscImageEntry::QueryInfo(XFileInfo* out_info) {
+  XEASSERTNOTNULL(out_info);
+  out_info->creation_time     = 0;
+  out_info->last_access_time  = 0;
+  out_info->last_write_time   = 0;
+  out_info->change_time       = 0;
+  out_info->allocation_size   = 2048;
+  out_info->file_length       = gdfx_entry_->size;
+  out_info->attributes        = gdfx_entry_->attributes;
+  return X_STATUS_SUCCESS;
+}
+
+MemoryMapping* DiscImageEntry::CreateMemoryMapping(
+    xe_file_mode file_mode, const size_t offset, const size_t length) {
+  if (file_mode & kXEFileModeWrite) {
+    // Only allow reads.
+    return NULL;
+  }
+
+  size_t real_offset = gdfx_entry_->offset + offset;
+  size_t real_length = length ?
+      MIN(length, gdfx_entry_->size) : gdfx_entry_->size;
+  return new DiscImageMemoryMapping(
+      xe_mmap_get_addr(mmap_) + real_offset,
+      real_length,
+      mmap_);
+}
+
+X_STATUS DiscImageEntry::Open(
+    KernelState* kernel_state,
+    uint32_t desired_access, bool async,
+    XFile** out_file) {
+  *out_file = new DiscImageFile(kernel_state, desired_access, this);
+  return X_STATUS_SUCCESS;
+}