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75 lines
2.1 KiB
75 lines
2.1 KiB
4 months ago
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/* Copyright (c) 2013 The Chromium OS Authors. All rights reserved.
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* Use of this source code is governed by a BSD-style license that can be
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* found in the LICENSE file.
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*
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* Data structure and API definitions for a verified boot kernel image.
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* (Firmware Portion)
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*/
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#ifndef VBOOT_REFERENCE_VBOOT_KERNEL_H_
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#define VBOOT_REFERENCE_VBOOT_KERNEL_H_
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#include "cgptlib.h"
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#include "gpt_misc.h"
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#include "load_firmware_fw.h"
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#include "load_kernel_fw.h"
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#include "vboot_api.h"
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/**
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* Accessors for unit tests only.
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*/
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VbNvContext *VbApiKernelGetVnc(void);
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/**
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* Exported for unit tests only - frees memory used by VbSelectAndLoadKernel()
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*/
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void VbApiKernelFree(VbCommonParams *cparams);
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/**
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* Try to load a kernel.
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*/
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uint32_t VbTryLoadKernel(VbCommonParams *cparams, LoadKernelParams *p,
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uint32_t get_info_flags);
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/* Flags for VbUserConfirms() */
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#define VB_CONFIRM_MUST_TRUST_KEYBOARD (1 << 0)
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#define VB_CONFIRM_SPACE_MEANS_NO (1 << 1)
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/**
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* Ask the user to confirm something.
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*
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* We should display whatever the question is first, then call this. ESC is
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* always "no", ENTER is always "yes", and we'll specify what SPACE means. We
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* don't return until one of those keys is pressed, or until asked to shut
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* down.
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*
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* Additionally, in some situations we don't accept confirmations from an
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* untrusted keyboard (such as a USB device). In those cases, a recovery
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* button press is needed for confirmation, instead of ENTER.
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*
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* Returns: 1=yes, 0=no, -1 = shutdown.
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*/
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int VbUserConfirms(VbCommonParams *cparams, uint32_t confirm_flags);
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/**
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* Handle a normal boot.
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*/
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VbError_t VbBootNormal(VbCommonParams *cparams, LoadKernelParams *p);
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/**
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* Handle a developer-mode boot.
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*/
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VbError_t VbBootDeveloper(VbCommonParams *cparams, LoadKernelParams *p);
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/**
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* Handle a recovery-mode boot.
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*/
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VbError_t VbBootRecovery(VbCommonParams *cparams, LoadKernelParams *p);
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/**
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* Sync EC device <devidx> firmware to expected version.
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*/
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VbError_t VbEcSoftwareSync(int devidx, VbCommonParams *cparams);
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#endif /* VBOOT_REFERENCE_VBOOT_KERNEL_H_ */
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