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https://github.com/Telecominfraproject/OpenCellular.git
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284bf5549a
Previously, the EC software sync process called VbDisplayScreen() from several function calls deep. Refactor software sync so that the UI decisions are at a higher level (in ec_sync_all.c) and isolated from the low-level EC software sync functionality (in ec_sync.c). This is one in a series of changes which are more clearly separating out the UI, to make it easier to support multiple UI across a range of devices. BUG=chromium:611535 BRANCH=none TEST=make runtests; build_packages --board=reef chromeos-firmware; boot reef Change-Id: I40597abeb5b0cc8f5d8fc2098e4acbed4bf59bf6 Signed-off-by: Randall Spangler <rspangler@chromium.org> Reviewed-on: https://chromium-review.googlesource.com/411921 Reviewed-by: Shelley Chen <shchen@chromium.org>
81 lines
2.4 KiB
C
81 lines
2.4 KiB
C
/* 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_kernel_fw.h"
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#include "vboot_api.h"
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struct vb2_context;
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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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* Attempt loading a kernel from the specified type(s) of disks.
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*
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* If successful, sets p->disk_handle to the disk for the kernel and returns
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* VBERROR_SUCCESS.
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*
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* @param ctx Vboot context
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* @param cparams Vboot common params
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* @param p Parameters for loading kernel
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* @param get_info_flags Flags to pass to VbExDiskGetInfo()
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* @return VBERROR_SUCCESS, VBERROR_NO_DISK_FOUND if no disks of the specified
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* type were found, or other non-zero VBERROR_ codes for other failures.
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*/
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uint32_t VbTryLoadKernel(struct vb2_context *ctx, VbCommonParams *cparams,
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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(struct vb2_context *ctx, VbCommonParams *cparams,
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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(struct vb2_context *ctx, VbCommonParams *cparams,
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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(struct vb2_context *ctx, VbCommonParams *cparams,
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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(struct vb2_context *ctx, VbCommonParams *cparams,
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LoadKernelParams *p);
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#endif /* VBOOT_REFERENCE_VBOOT_KERNEL_H_ */
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