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

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

@@ -0,0 +1,47 @@
+/**
+ ******************************************************************************
+ * 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_file.h>
+
+#include <xenia/kernel/fs/gdfx.h>
+#include <xenia/kernel/fs/devices/disc_image_entry.h>
+
+
+using namespace xe;
+using namespace xe::kernel;
+using namespace xe::kernel::fs;
+
+
+DiscImageFile::DiscImageFile(
+    KernelState* kernel_state, uint32_t desired_access,
+    DiscImageEntry* entry) :
+    entry_(entry),
+    XFile(kernel_state, desired_access) {
+}
+
+DiscImageFile::~DiscImageFile() {
+}
+
+X_STATUS DiscImageFile::QueryInfo(XFileInfo* out_info) {
+  return entry_->QueryInfo(out_info);
+}
+
+X_STATUS DiscImageFile::ReadSync(
+    void* buffer, size_t buffer_length, size_t byte_offset,
+    size_t* out_bytes_read) {
+  GDFXEntry* gdfx_entry = entry_->gdfx_entry();
+  xe_mmap_ref mmap = entry_->mmap();
+  size_t real_offset = gdfx_entry->offset + byte_offset;
+  size_t real_length = MIN(buffer_length, gdfx_entry->size - byte_offset);
+  xe_copy_memory(
+      buffer, buffer_length,
+      xe_mmap_get_addr(mmap) + real_offset, real_length);
+  *out_bytes_read = real_length;
+  return X_STATUS_SUCCESS;
+}