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arch: use a non-doc comment for diagram

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This doesn't need to be rendered in the HTML API documentation, and
wouldn't be formatted correctly if it was.

Signed-off-by: Alyssa Ross <hi@alyssa.is>
This commit is contained in:
Alyssa Ross 2023-04-04 16:09:17 +00:00 committed by Bo Chen
parent dcc858a403
commit 95f83320b1
1 changed files with 11 additions and 12 deletions
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23
arch/src/aarch64/regs.rs
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@ -1,18 +1,17 @@
// Copyright 2022 Arm Limited (or its affiliates). All rights reserved.
// SPDX-License-Identifier: Apache-2.0
///
/// AArch64 system register encoding:
/// See https://developer.arm.com/documentation/ddi0487 (chapter D12)
///
/// 31 22 21 20 19 18 16 15 12 11 8 7 5 4 0
/// +----------+---+-----+-----+-----+-----+-----+----+
/// |1101010100| L | op0 | op1 | CRn | CRm | op2 | Rt |
/// +----------+---+-----+-----+-----+-----+-----+----+
///
/// Notes:
/// - L and Rt are reserved as implementation defined fields, ignored.
///
// AArch64 system register encoding:
// See https://developer.arm.com/documentation/ddi0487 (chapter D12)
//
// 31 22 21 20 19 18 16 15 12 11 8 7 5 4 0
// +----------+---+-----+-----+-----+-----+-----+----+
// |1101010100| L | op0 | op1 | CRn | CRm | op2 | Rt |
// +----------+---+-----+-----+-----+-----+-----+----+
//
// Notes:
// - L and Rt are reserved as implementation defined fields, ignored.
const SYSREG_HEAD: u32 = 0b1101010100u32 << 22;
const SYSREG_OP0_SHIFT: u32 = 19;
const SYSREG_OP0_MASK: u32 = 0b11u32 << 19;