| #!/bin/bash |
| |
| # Copyright 2018 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. |
| |
| # All kernel command line changes must update the security base lines in |
| # the signer. It rejects any settings it does not recognize and breaks the |
| # build. So any modify_kernel_command_line() function change here needs to be |
| # reflected in ensure_secure_kernelparams.config. |
| |
| # See crrev.com/i/216896 as an example. |
| |
| modify_kernel_command_line() { |
| # Enable S0ix validation check in kernel |
| echo "intel_idle.slp_s0_check=1" >> "$1" |
| |
| # Setup S0ix validation initial timeout for slp_s0_check |
| echo "intel_idle.slp_s0_seed=5" >> "$1" |
| |
| # Enable S0ix logging using GSMI |
| echo "gsmi.s0ix_logging_enable=1" >> "$1" |
| |
| # Might be helpful to preserve ramoops in extreme circumstances |
| echo "ramoops.ecc=1" >> "$1" |
| |
| # Backlight driver parameter |
| echo "i915.enable_dpcd_backlight=1" >> "$1" |
| |
| # Don't disable the ability to run VMs. |
| echo "disablevmx=off" >> "$1" |
| } |
