mirror of
https://github.com/Telecominfraproject/OpenCellular.git
synced 2025-11-27 03:33:50 +00:00
Reformat to kernel style
No code changes, just reformatting. BUG=none BRANCH=none TEST=make runtests Change-Id: Id690c8334147970784db5ac54933ad1f5a58dcc1 Reviewed-on: https://gerrit.chromium.org/gerrit/42263 Tested-by: Randall Spangler <rspangler@chromium.org> Reviewed-by: Bill Richardson <wfrichar@chromium.org> Commit-Queue: Randall Spangler <rspangler@chromium.org>
This commit is contained in:
Randall Spangler
committed by
ChromeBot
ChromeBot
parent
49cb0d3471
commit
7993f257af
@@ -1,4 +1,4 @@
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/* Copyright (c) 2011 The Chromium OS Authors. All rights reserved.
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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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@@ -14,99 +14,111 @@
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#include "vboot_common.h"
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#include "vboot_nvstorage.h"
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VbError_t VbSelectFirmware(VbCommonParams* cparams,
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VbSelectFirmwareParams* fparams) {
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VbSharedDataHeader* shared = (VbSharedDataHeader*)cparams->shared_data_blob;
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VbNvContext vnc;
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VbError_t retval = VBERROR_UNKNOWN; /* Assume error until proven successful */
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int is_rec = (shared->recovery_reason ? 1 : 0);
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int is_dev = (shared->flags & VBSD_BOOT_DEV_SWITCH_ON ? 1 : 0);
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uint32_t tpm_status = 0;
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VbError_t VbSelectFirmware(VbCommonParams *cparams,
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VbSelectFirmwareParams *fparams)
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{
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VbSharedDataHeader *shared =
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(VbSharedDataHeader *)cparams->shared_data_blob;
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VbNvContext vnc;
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VbError_t retval = VBERROR_UNKNOWN; /* Default to error */
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int is_rec = (shared->recovery_reason ? 1 : 0);
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int is_dev = (shared->flags & VBSD_BOOT_DEV_SWITCH_ON ? 1 : 0);
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uint32_t tpm_status = 0;
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/* Start timer */
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shared->timer_vb_select_firmware_enter = VbExGetTimer();
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/* Start timer */
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shared->timer_vb_select_firmware_enter = VbExGetTimer();
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/* Load NV storage */
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VbExNvStorageRead(vnc.raw);
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VbNvSetup(&vnc);
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/* Load NV storage */
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VbExNvStorageRead(vnc.raw);
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VbNvSetup(&vnc);
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if (is_rec) {
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/* Recovery is requested; go straight to recovery without checking the
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* RW firmware. */
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VBDEBUG(("VbSelectFirmware() detected recovery request\n"));
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if (is_rec) {
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/*
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* Recovery is requested; go straight to recovery without
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* checking the RW firmware.
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*/
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VBDEBUG(("VbSelectFirmware() detected recovery request\n"));
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/* Go directly to recovery mode */
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fparams->selected_firmware = VB_SELECT_FIRMWARE_RECOVERY;
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/* Go directly to recovery mode */
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fparams->selected_firmware = VB_SELECT_FIRMWARE_RECOVERY;
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} else {
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/* Chain to LoadFirmware() */
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retval = LoadFirmware(cparams, fparams, &vnc);
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} else {
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/* Chain to LoadFirmware() */
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retval = LoadFirmware(cparams, fparams, &vnc);
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/* Exit if we failed to find an acceptable firmware */
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if (VBERROR_SUCCESS != retval)
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goto VbSelectFirmware_exit;
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/* Exit if we failed to find an acceptable firmware */
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if (VBERROR_SUCCESS != retval)
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goto VbSelectFirmware_exit;
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/* Translate the selected firmware path */
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if (shared->flags & VBSD_LF_USE_RO_NORMAL) {
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/* Request the read-only normal/dev code path */
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fparams->selected_firmware =
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VB_SELECT_FIRMWARE_READONLY;
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} else if (0 == shared->firmware_index)
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fparams->selected_firmware = VB_SELECT_FIRMWARE_A;
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else {
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fparams->selected_firmware = VB_SELECT_FIRMWARE_B;
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}
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/* Translate the selected firmware path */
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if (shared->flags & VBSD_LF_USE_RO_NORMAL) {
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/* Request the read-only normal/dev code path */
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fparams->selected_firmware = VB_SELECT_FIRMWARE_READONLY;
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} else if (0 == shared->firmware_index)
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fparams->selected_firmware = VB_SELECT_FIRMWARE_A;
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else
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fparams->selected_firmware = VB_SELECT_FIRMWARE_B;
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/* Update TPM if necessary */
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if (shared->fw_version_tpm_start < shared->fw_version_tpm) {
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VBPERFSTART("VB_TPMU");
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tpm_status =
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RollbackFirmwareWrite(shared->fw_version_tpm);
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VBPERFEND("VB_TPMU");
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if (0 != tpm_status) {
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VBDEBUG(("Can't write FW version to TPM.\n"));
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VbNvSet(&vnc, VBNV_RECOVERY_REQUEST,
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VBNV_RECOVERY_RO_TPM_W_ERROR);
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retval = VBERROR_TPM_WRITE_FIRMWARE;
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goto VbSelectFirmware_exit;
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}
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}
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/* Update TPM if necessary */
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if (shared->fw_version_tpm_start < shared->fw_version_tpm) {
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VBPERFSTART("VB_TPMU");
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tpm_status = RollbackFirmwareWrite(shared->fw_version_tpm);
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VBPERFEND("VB_TPMU");
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if (0 != tpm_status) {
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VBDEBUG(("Unable to write firmware version to TPM.\n"));
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VbNvSet(&vnc, VBNV_RECOVERY_REQUEST, VBNV_RECOVERY_RO_TPM_W_ERROR);
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retval = VBERROR_TPM_WRITE_FIRMWARE;
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goto VbSelectFirmware_exit;
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}
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}
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/* Lock firmware versions in TPM */
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VBPERFSTART("VB_TPML");
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tpm_status = RollbackFirmwareLock();
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VBPERFEND("VB_TPML");
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if (0 != tpm_status) {
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VBDEBUG(("Unable to lock firmware version in TPM.\n"));
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VbNvSet(&vnc, VBNV_RECOVERY_REQUEST,
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VBNV_RECOVERY_RO_TPM_L_ERROR);
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retval = VBERROR_TPM_LOCK_FIRMWARE;
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goto VbSelectFirmware_exit;
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}
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}
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/* Lock firmware versions in TPM */
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VBPERFSTART("VB_TPML");
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tpm_status = RollbackFirmwareLock();
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VBPERFEND("VB_TPML");
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if (0 != tpm_status) {
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VBDEBUG(("Unable to lock firmware version in TPM.\n"));
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VbNvSet(&vnc, VBNV_RECOVERY_REQUEST, VBNV_RECOVERY_RO_TPM_L_ERROR);
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retval = VBERROR_TPM_LOCK_FIRMWARE;
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goto VbSelectFirmware_exit;
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}
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}
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/*
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* At this point, we have a good idea of how we are going to
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* boot. Update the TPM with this state information.
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*/
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tpm_status = SetTPMBootModeState(is_dev, is_rec,
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shared->fw_keyblock_flags);
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if (0 != tpm_status) {
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VBDEBUG(("Can't update the TPM with boot mode information.\n"));
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if (!is_rec) {
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VbNvSet(&vnc, VBNV_RECOVERY_REQUEST,
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VBNV_RECOVERY_RO_TPM_U_ERROR);
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retval = VBERROR_TPM_SET_BOOT_MODE_STATE;
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goto VbSelectFirmware_exit;
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}
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}
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/* At this point, we have a good idea of how we are going to
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* boot. Update the TPM with this state information. */
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tpm_status = SetTPMBootModeState(is_dev, is_rec, shared->fw_keyblock_flags);
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if (0 != tpm_status) {
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VBDEBUG(("Unable to update the TPM with boot mode information.\n"));
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if (!is_rec) {
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VbNvSet(&vnc, VBNV_RECOVERY_REQUEST, VBNV_RECOVERY_RO_TPM_U_ERROR);
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retval = VBERROR_TPM_SET_BOOT_MODE_STATE;
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goto VbSelectFirmware_exit;
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}
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}
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/* Success! */
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retval = VBERROR_SUCCESS;
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/* Success! */
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retval = VBERROR_SUCCESS;
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VbSelectFirmware_exit:
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VbSelectFirmware_exit:
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/* Save NV storage */
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VbNvTeardown(&vnc);
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if (vnc.raw_changed)
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VbExNvStorageWrite(vnc.raw);
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/* Save NV storage */
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VbNvTeardown(&vnc);
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if (vnc.raw_changed)
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VbExNvStorageWrite(vnc.raw);
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/* Stop timer */
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shared->timer_vb_select_firmware_exit = VbExGetTimer();
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/* Stop timer */
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shared->timer_vb_select_firmware_exit = VbExGetTimer();
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/* Should always have a known error code */
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VbAssert(VBERROR_UNKNOWN != retval);
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/* Should always have a known error code */
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VbAssert(VBERROR_UNKNOWN != retval);
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return retval;
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return retval;
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}
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