Remove obsolete VerifyKernelDriver() and associated data structures.

src/platform/vboot_reference/vboot_firmware/include/kernel_image_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.
  *
  * Data structure and API definitions for a verified boot kernel image.
  * (Firmware Portion)
  */
 
 #ifndef VBOOT_REFERENCE_KERNEL_IMAGE_FW_H_
 #define VBOOT_REFERENCE_KERNEL_IMAGE_FW_H_
@@ skipping 146 matching lines @@
  * length itself is checked early in the verification process for extra safety.
  */
 int VerifyKernel(const uint8_t* signing_key_blob,
                  const uint8_t* kernel_blob,
                  const int dev_mode);
 
 /* Returns the logical version of a kernel blob which is calculated as
  * (kernel_key_version << 16 | kernel_version). */
 uint32_t GetLogicalKernelVersion(uint8_t* kernel_blob);
 
-#define  BOOT_KERNEL_A_CONTINUE 1
-#define  BOOT_KERNEL_B_CONTINUE 2
-#define  BOOT_KERNEL_RECOVERY_CONTINUE 3
-
-/* Contains information about the kernel paritition
- * gleaned from the GPT partition table.
- *
- * Based on the Chromium OS Drive Map design document by
- * rspangler@chromium.org.
- *
-*/
-typedef struct kernel_entry {
-  uint8_t* kernel_blob;  /* Pointer to actual kernel. */
-  uint8_t boot_priority;  /* 15 = highest, 1 = lowest, 0 = not bootable. */
-  uint8_t boot_tries_remaining;  /* Used when boot_priority = 0. */
-  uint8_t boot_success_flag;  /* Set to 1 on successful boot by AU. */
-} kernel_entry;
-
-/* This function is the driver used by the RW firmware to
- * determine which copy of the kernel to boot from. It performs
- * the requisite priority and remaining tries checking for a specific
- * kernel partition, does rollback index checking, including updating
- * if required.
- *
- * Returns the code path to follow. It is one of:
- * BOOT_KERNEL_A_CONTINUE          Boot from Kenrel A
- * BOOT_KERNEL_B_CONTINUE          Boot from Kernel B
- * BOOT_KERNEL_RECOVERY_CONTINUE   Jump to recovery mode
- */
-int VerifyKernelDriver_f(uint8_t* firmware_key_blob,
-                         kernel_entry* kernelA,
-                         kernel_entry* kernelB,
-                         int dev_mode);
-
 #endif  /* VBOOT_REFERENCE_KERNEL_IMAGE_FW_H_ */