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/* Copyright (c) 2011 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.
*
* Display functions used in kernel selection.
*/
#ifndef VBOOT_REFERENCE_VBOOT_DISPLAY_H_
#define VBOOT_REFERENCE_VBOOT_DISPLAY_H_
#include "vboot_api.h"
#include "vboot_nvstorage.h"
VbError_t VbDisplayScreenFromGBB(VbCommonParams* cparams, uint32_t screen,
VbNvContext *vncptr);
VbError_t VbDisplayScreen(VbCommonParams* cparams, uint32_t screen, int force,
VbNvContext *vncptr);
VbError_t VbDisplayDebugInfo(VbCommonParams* cparams, VbNvContext *vncptr);
VbError_t VbCheckDisplayKey(VbCommonParams* cparams, uint32_t key,
VbNvContext *vncptr);
void VbExEasterEgg(VbCommonParams* cparams, VbNvContext *vncptr);
typedef struct VbDevMusicNote {
uint16_t msec;
uint16_t frequency;
} __attribute__((packed)) VbDevMusicNote;
typedef struct VbDevMusic {
uint8_t sig[4]; /* "$SND" */
uint32_t checksum; /* crc32 over count & all notes */
uint32_t count; /* number of notes */
VbDevMusicNote notes[1]; /* gcc allows [0], MSVC doesn't */
/* more VbDevMusicNotes follow immediately */
} __attribute__((packed)) VbDevMusic;
#endif /* VBOOT_REFERENCE_VBOOT_DISPLAY_H_ */
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