mirror of
https://github.com/Telecominfraproject/OpenCellular.git
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0c3ba249ab
This reduces the number of exported header files to the minimum needed by
the existing userspace utilities and firmware implementations.
BUG=chromium:221544
BRANCH=none
TEST=manual, trybots
CQ-DEPEND=CL:47019,CL:47022,CL:47023
sudo FEATURES=test emerge vboot_reference
FEATURES=test emerge-$BOARD \
vboot_reference \
chromeos-cryptohome \
chromeos-installer \
chromeos-u-boot \
peach-u-boot \
depthcharge
Change-Id: I2946cc2dbaf5459a6c5eca92ca57d546498e6d85
Signed-off-by: Bill Richardson <wfrichar@chromium.org>
Reviewed-on: https://gerrit.chromium.org/gerrit/47021
Reviewed-by: Randall Spangler <rspangler@chromium.org>
46 lines
1.2 KiB
C
46 lines
1.2 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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* Common functions between firmware and kernel verified boot.
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* (Firmware portion)
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*/
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#include "sysincludes.h"
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#include "vboot_api.h"
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#include "vboot_common.h"
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#include "utility.h"
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int VbSharedDataInit(VbSharedDataHeader *header, uint64_t size)
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{
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VBDEBUG(("VbSharedDataInit, %d bytes, header %d bytes\n", (int)size,
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sizeof(VbSharedDataHeader)));
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if (size < sizeof(VbSharedDataHeader)) {
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VBDEBUG(("Not enough data for header.\n"));
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return VBOOT_SHARED_DATA_INVALID;
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}
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if (size < VB_SHARED_DATA_MIN_SIZE) {
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VBDEBUG(("Shared data buffer too small.\n"));
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return VBOOT_SHARED_DATA_INVALID;
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}
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if (!header)
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return VBOOT_SHARED_DATA_INVALID;
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/* Zero the header */
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Memset(header, 0, sizeof(VbSharedDataHeader));
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/* Initialize fields */
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header->magic = VB_SHARED_DATA_MAGIC;
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header->struct_version = VB_SHARED_DATA_VERSION;
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header->struct_size = sizeof(VbSharedDataHeader);
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header->data_size = size;
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header->data_used = sizeof(VbSharedDataHeader);
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header->firmware_index = 0xFF;
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/* Success */
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return VBOOT_SUCCESS;
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}
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