Add dummy implementation of LoadFirmware(); currently a wrapper around the old implementation.

vboot_firmware/include/load_firmware_fw.h

 /* Copyright (c) 2010 The Chromium OS Authors. All rights reserved.
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  *
  * High-level firmware API for loading and verifying rewritable firmware.
  * (Firmware Portion)
  */
 
 #ifndef VBOOT_REFERENCE_LOAD_FIRMWARE_FW_H_
 #define VBOOT_REFERENCE_LOAD_FIRMWARE_FW_H_
 
 #include <stdint.h>
 
 /* Functions provided by PEI to LoadFirmware() */
 
-/* Get the firmware data for [firmware_index], which is either
+/* Get the firmware body data for [firmware_index], which is either
  * 0 (the first firmware image) or 1 (the second firmware image).
  *
- * This function must call LoadFirmwareUpdateDataHash() before
- * returning, to update the secure hash for the firmware image.  For
- * best performance, the reader should call this function periodically
+ * This function must call UpdateFirmwareBodyHash() before returning,
+ * to update the secure hash for the firmware image.  For best
+ * performance, the reader should call this function periodically
  * during the read, so that updating the hash can be pipelined with
  * the read.  If the reader cannot update the hash during the read
- * process, it should call LoadFirmwareUpdateDataHash() on the entire
+ * process, it should call UpdateFirmwareBodyHash() on the entire
  * firmeware data after the read, before returning.
  *
  * On success, returns a pointer to the data and stores the data size
  * in [*size].  On error, returns NULL. */
-void *FirmwareImageGetData(uint64_t firmware_index, uint64_t* size);
+void *GetFirmwareBody(uint64_t firmware_index, uint64_t* size);
 
 
 /* Interface provided by verified boot library to PEI */
 
 /* Return codes for LoadFirmware() */
-#define LOAD_FIRMWARE_SUCCESS 0
-#define LOAD_FIRMWARE_RECOVERY 1
+#define LOAD_FIRMWARE_SUCCESS 0   /* Success */
+#define LOAD_FIRMWARE_RECOVERY 1  /* Reboot to recovery mode */
 
 /* Update the data hash for the current firmware image, extending it
  * by [size] bytes stored in [*data].  This function must only be
- * called inside FirmwareImageGetData(). */
-void LoadFirmwareUpdateDataHash(uint8_t* data, uint64_t size);
+ * called inside GetFirmwareBody(). */
+void UpdateFirmwareBodyHash(uint8_t* data, uint64_t size);
 
 
 typedef struct LoadFirmwareParams {
   /* Inputs to LoadFirmware() */
-  void *header_sign_key_blob;  /* Key used to sign firmware header */
-  void *vblock0;              /* Key block + preamble for firmware 0 */
-  void *vblock1;              /* Key block + preamble for firmware 1 */
+  void *firmware_root_key_blob;  /* Key used to sign firmware header */
+  void *verification_block_0;  /* Key block + preamble for firmware 0 */
+  void *verification_block_1;  /* Key block + preamble for firmware 1 */
 
   /* Outputs from LoadFirmware(); valid only if LoadFirmware() returns
    * LOAD_FIRMWARE_SUCCESS. */
-  uint64_t fitmware_index;       /* Firmware index to run. */
+  uint64_t firmware_index;       /* Firmware index to run. */
   void *kernel_sign_key_blob;    /* Key to use when loading kernel.
                                   * Pass this data to LoadKernel() in
                                   * LoadKernelParams.header_sign_key_blob.
                                   * Key data may be copied/relocated
                                   * if necessary. */
   uint64_t kernel_sign_key_size;  /* Size of kernel signing key blob,
                                    * in bytes. */
 } LoadFirmwareParams;
 
 
 /* Attempts to load the rewritable firmware.
  *
  * Returns LOAD_FIRMWARE_SUCCESS if successful, error code on failure. */
 int LoadFirmware(LoadFirmwareParams* params);
 
 
 #endif  /* VBOOT_REFERENCE_LOAD_FIRMWARE_FW_H_ */