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https://chromium.googlesource.com/crosvm/crosvm
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cf55111b9b
User provided DSDT/MADT/FADT tables will have precedence over crosvm generated data, with crosvm only overriding critical FADT fields to match ACPI tables placement. Also, this patch adds mandataory empty FACS structure. BUG=None TEST=run guest with set of ACPI tables provided and verify content. Change-Id: I3f3ff2170c08b3f570ff863ecc45c5bf203eb940 Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/platform/crosvm/+/2841754 Tested-by: kokoro <noreply+kokoro@google.com> Commit-Queue: Tomasz Jeznach <tjeznach@chromium.org> Reviewed-by: Daniel Verkamp <dverkamp@chromium.org>
46 lines
1.1 KiB
Rust
46 lines
1.1 KiB
Rust
// Copyright 2021 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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use data_model::DataInit;
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#[repr(packed)]
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#[derive(Clone, Copy, Default)]
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pub struct FACS {
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pub signature: [u8; 4],
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pub length: u32,
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pub hardware_signature: u32,
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pub waking: u32,
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pub lock: u32,
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pub flags: u32,
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pub x_waking: u64,
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pub version: u8,
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pub _reserved1: [u8; 3],
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pub ospm_flags: u32,
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pub _reserved2: [u8; 24],
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}
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// Safe as FACS structure only contains raw data
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unsafe impl DataInit for FACS {}
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impl FACS {
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pub fn new() -> Self {
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FACS {
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signature: *b"FACS",
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length: std::mem::size_of::<FACS>() as u32,
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hardware_signature: 0,
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waking: 0,
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lock: 0,
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flags: 0,
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x_waking: 0,
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version: 1,
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_reserved1: [0; 3],
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ospm_flags: 0,
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_reserved2: [0; 24],
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}
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}
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pub fn len() -> usize {
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std::mem::size_of::<FACS>()
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}
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}
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