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/kernel/linux/linux-6.6/Documentation/devicetree/bindings/arm/
Dpmu.yaml1 # SPDX-License-Identifier: GPL-2.0
3 ---
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Mark Rutland <mark.rutland@arm.com>
11 - Will Deacon <will.deacon@arm.com>
14 ARM cores often have a PMU for counting cpu and cache events like cache misses
16 representation in the device tree should be done as under:-
21 - enum:
22 - apm,potenza-pmu
23 - apple,avalanche-pmu
[all …]
Dcpus.yaml1 # SPDX-License-Identifier: GPL-2.0
3 ---
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>
13 The device tree allows to describe the layout of CPUs in a system through
14 the "cpus" node, which in turn contains a number of subnodes (ie "cpu")
21 with updates for 32-bit and 64-bit ARM systems provided in this document.
30 - square brackets define bitfields, eg reg[7:0] value of the bitfield in
59 On 32-bit ARM v7 or later systems this property is
68 On ARM v8 64-bit systems this property is required
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/kernel/linux/linux-5.10/Documentation/devicetree/bindings/arm/
Dpmu.yaml1 # SPDX-License-Identifier: GPL-2.0
3 ---
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Mark Rutland <mark.rutland@arm.com>
11 - Will Deacon <will.deacon@arm.com>
14 ARM cores often have a PMU for counting cpu and cache events like cache misses
16 representation in the device tree should be done as under:-
21 - enum:
22 - apm,potenza-pmu
23 - arm,armv8-pmuv3 # Only for s/w models
[all …]
Dcpus.yaml1 # SPDX-License-Identifier: GPL-2.0
3 ---
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>
13 The device tree allows to describe the layout of CPUs in a system through
14 the "cpus" node, which in turn contains a number of subnodes (ie "cpu")
21 with updates for 32-bit and 64-bit ARM systems provided in this document.
30 - square brackets define bitfields, eg reg[7:0] value of the bitfield in
59 On 32-bit ARM v7 or later systems this property is
68 On ARM v8 64-bit systems this property is required
[all …]
/kernel/linux/linux-6.6/arch/arm64/
DKconfig1 # SPDX-License-Identifier: GPL-2.0-only
260 ARM 64-bit (AArch64) Linux support.
269 depends on $(cc-option,-fpatchable-function-entry=2)
301 # VA_BITS - PAGE_SHIFT - 3
377 def_bool !$(as-instr,1:\n.inst 0\n.rept . - 1b\n\nnop\n.endr\n)
428 A/D updates can occur after a PTE has been marked invalid.
432 at stage-2.
440 …bool "Cortex-A53: 826319: System might deadlock if a write cannot complete until read data is acce…
445 erratum 826319 on Cortex-A53 parts up to r0p2 with an AMBA 4 ACE or
448 If a Cortex-A53 uses an AMBA AXI4 ACE interface to other processors
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/kernel/liteos_m/
DREADME_zh.md1 # LiteOS-M内核<a name="ZH-CN_TOPIC_0000001096757661"></a>
3 - [简介](#section11660541593)
4 - [目录](#section161941989596)
5 - [约束](#section119744591305)
6 - [使用说明](#section3732185231214)
7 - [贡献](#section1371123476307)
8 - [相关仓](#section1371113476307)
10 ## 简介<a name="section11660541593"></a>
12 OpenHarmony LiteOS-M内核是面向IoT领域构建的轻量级物联网操作系统内核,具有小体积、低功耗、高性能的特点,其代码结构简单,主要包括内核最小功能集、内核抽象层、可选组件以及工程目录…
14 **图 1** OpenHarmony LiteOS-M核内核架构图<a name="fig0865152210223"></a>
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/kernel/uniproton/src/include/uapi/hw/armv7-m/
Dprt_exc.h2 * Copyright (c) 2009-2022 Huawei Technologies Co., Ltd. All rights reserved.
6 * You may obtain a copy of Mulan PSL v2 at:
9 * EITHER EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO NON-INFRINGEMENT,
10 * MERCHANTABILITY OR FIT FOR A PARTICULAR PURPOSE.
12 * Create: 2009-12-22
109 * Cortex-MX异常具体类型:总线状态寄存器入栈时发生错误。
114 * Cortex-MX异常具体类型:总线状态寄存器出栈时发生错误。
119 * Cortex-MX异常具体类型:总线状态寄存器不精确的数据访问违例。
124 * Cortex-MX异常具体类型:总线状态寄存器精确的数据访问违例。
129 * Cortex-MX异常具体类型:总线状态寄存器取指时的访问违例。
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/kernel/liteos_m/arch/arm/
DKconfig4 # ARM has 32-bit(Aarch32) and 64-bit(Aarch64) implementations
10 32-bit ARM architecture implementations, Except the M-profile.
11 It is not limited to ARMv7-A but also ARMv7-R, ARMv8-A 32-bit and etc.
27 default "armv7-m" if ARCH_ARM_V7M
28 default "armv8-m" if ARCH_ARM_V8M
48 …onal extension to the Arm, Thumb, and ThumbEE instruction sets in the ARMv7-A and ARMv7-R profiles.
49 …VFPv3U is a variant of VFPv3 that supports the trapping of floating-point exceptions to support co…
54 …onal extension to the Arm, Thumb, and ThumbEE instruction sets in the ARMv7-A and ARMv7-R profiles.
55 …VFPv4U is a variant of VFPv4 that supports the trapping of floating-point exceptions to support co…
56 …VFPv4 and VFPv4U add both the Half-precision Extension and the fused multiply-add instructions to …
[all …]
/kernel/liteos_m/arch/arm/cortex-m55/gcc/NTZ/
Dlos_arch_interrupt.h2 * Copyright (c) 2022-2023 Huawei Device Co., Ltd. All rights reserved.
20 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
44 * Highest priority of a hardware interrupt.
52 * Lowest priority of a hardware interrupt.
66 * Count of M-Core system interrupt vector.
72 * Count of M-Core interrupt vector.
83 …* The value range of the interrupt number applicable for a Cortex-M55 platformis [OS_USER_HWI_MIN…
93 * Solution: Pass in a valid non-null hardware interrupt handling function.
123 …* Solution: Check whether the interrupt specified by the passed-in interrupt number has already be…
134 * The value range of the interrupt priority applicable for a Cortex-M55 platform is [0,15].
[all …]
/kernel/linux/linux-6.6/Documentation/devicetree/bindings/cpu/
Dcpu-topology.txt6 1 - Introduction
9 In a SMP system, the hierarchy of CPUs is defined through three entities that
12 - socket
13 - cluster
14 - core
15 - thread
18 symmetric multi-threading (SMT) is supported or not.
20 For instance in a system where CPUs support SMT, "cpu" nodes represent all
29 Currently, only ARM/RISC-V intend to use this cpu topology binding but it may be
35 A topology description containing phandles to cpu nodes that are not compliant
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/kernel/linux/linux-5.10/Documentation/devicetree/bindings/cpu/
Dcpu-topology.txt6 1 - Introduction
9 In a SMP system, the hierarchy of CPUs is defined through three entities that
12 - socket
13 - cluster
14 - core
15 - thread
18 symmetric multi-threading (SMT) is supported or not.
20 For instance in a system where CPUs support SMT, "cpu" nodes represent all
29 Currently, only ARM/RISC-V intend to use this cpu topology binding but it may be
35 A topology description containing phandles to cpu nodes that are not compliant
[all …]
/kernel/liteos_m/arch/arm/cortex-m7/gcc/
Dlos_arch_interrupt.h2 * Copyright (c) 2013-2019 Huawei Technologies Co., Ltd. All rights reserved.
3 * Copyright (c) 2020-2023 Huawei Device Co., Ltd. All rights reserved.
21 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
45 * Highest priority of a hardware interrupt.
53 * Lowest priority of a hardware interrupt.
61 * Count of M-Core system interrupt vector.
67 * Count of M-Core interrupt vector.
90 …* The value range of the interrupt number applicable for a Cortex-M7 platformis [OS_USER_HWI_MIN,…
100 * Solution: Pass in a valid non-null hardware interrupt handling function.
130 …* Solution: Check whether the interrupt specified by the passed-in interrupt number has already be…
[all …]
/kernel/liteos_m/arch/arm/cortex-m33/gcc/NTZ/
Dlos_arch_interrupt.h2 * Copyright (c) 2013-2019 Huawei Technologies Co., Ltd. All rights reserved.
3 * Copyright (c) 2020-2023 Huawei Device Co., Ltd. All rights reserved.
21 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
45 * Highest priority of a hardware interrupt.
53 * Lowest priority of a hardware interrupt.
73 * Count of M-Core system interrupt vector.
79 * Count of M-Core interrupt vector.
90 …* The value range of the interrupt number applicable for a Cortex-M33 platform is [OS_USER_HWI_MI…
100 * Solution: Pass in a valid non-null hardware interrupt handling function.
130 …* Solution: Check whether the interrupt specified by the passed-in interrupt number has already be…
[all …]
/kernel/liteos_m/arch/arm/cortex-m4/keil/
Dlos_arch_interrupt.h2 * Copyright (c) 2013-2019 Huawei Technologies Co., Ltd. All rights reserved.
3 * Copyright (c) 2020-2023 Huawei Device Co., Ltd. All rights reserved.
21 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
45 * Highest priority of a hardware interrupt.
53 * Lowest priority of a hardware interrupt.
73 * Count of M-Core system interrupt vector.
79 * Count of M-Core interrupt vector.
90 …* The value range of the interrupt number applicable for a Cortex-M4 platformis [OS_USER_HWI_MIN,…
100 * Solution: Pass in a valid non-null hardware interrupt handling function.
130 …* Solution: Check whether the interrupt specified by the passed-in interrupt number has already be…
[all …]
/kernel/liteos_m/arch/arm/cortex-m33/iar/NTZ/
Dlos_arch_interrupt.h2 * Copyright (c) 2013-2019 Huawei Technologies Co., Ltd. All rights reserved.
3 * Copyright (c) 2020-2023 Huawei Device Co., Ltd. All rights reserved.
21 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
45 * Highest priority of a hardware interrupt.
53 * Lowest priority of a hardware interrupt.
73 * Count of M-Core system interrupt vector.
79 * Count of M-Core interrupt vector.
90 …* The value range of the interrupt number applicable for a Cortex-M33 platform is [OS_USER_HWI_MI…
100 * Solution: Pass in a valid non-null hardware interrupt handling function.
130 …* Solution: Check whether the interrupt specified by the passed-in interrupt number has already be…
[all …]
/kernel/liteos_m/arch/arm/cortex-m55/iar/NTZ/
Dlos_arch_interrupt.h2 * Copyright (c) 2013-2019 Huawei Technologies Co., Ltd. All rights reserved.
3 * Copyright (c) 2020-2023 Huawei Device Co., Ltd. All rights reserved.
21 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
45 * Highest priority of a hardware interrupt.
53 * Lowest priority of a hardware interrupt.
73 * Count of M-Core system interrupt vector.
79 * Count of M-Core interrupt vector.
90 …* The value range of the interrupt number applicable for a Cortex-M33 platform is [OS_USER_HWI_MI…
100 * Solution: Pass in a valid non-null hardware interrupt handling function.
130 …* Solution: Check whether the interrupt specified by the passed-in interrupt number has already be…
[all …]
/kernel/liteos_m/arch/arm/cortex-m55/gcc/TZ/non_secure/
Dlos_arch_interrupt.h2 * Copyright (c) 2013-2019 Huawei Technologies Co., Ltd. All rights reserved.
3 * Copyright (c) 2020-2023 Huawei Device Co., Ltd. All rights reserved.
21 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
45 * Highest priority of a hardware interrupt.
53 * Lowest priority of a hardware interrupt.
73 * Count of M-Core system interrupt vector.
79 * Count of M-Core interrupt vector.
90 …* The value range of the interrupt number applicable for a Cortex-M33 platform is [OS_USER_HWI_MI…
100 * Solution: Pass in a valid non-null hardware interrupt handling function.
130 …* Solution: Check whether the interrupt specified by the passed-in interrupt number has already be…
[all …]
/kernel/liteos_m/arch/arm/cortex-m4/iar/
Dlos_arch_interrupt.h2 * Copyright (c) 2013-2019 Huawei Technologies Co., Ltd. All rights reserved.
3 * Copyright (c) 2020-2023 Huawei Device Co., Ltd. All rights reserved.
21 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
45 * Highest priority of a hardware interrupt.
53 * Lowest priority of a hardware interrupt.
73 * Count of M-Core system interrupt vector.
79 * Count of M-Core interrupt vector.
90 …* The value range of the interrupt number applicable for a Cortex-M4 platformis [OS_USER_HWI_MIN,…
100 * Solution: Pass in a valid non-null hardware interrupt handling function.
130 …* Solution: Check whether the interrupt specified by the passed-in interrupt number has already be…
[all …]
/kernel/liteos_m/arch/arm/cortex-m7/iar/
Dlos_arch_interrupt.h2 * Copyright (c) 2013-2019 Huawei Technologies Co., Ltd. All rights reserved.
3 * Copyright (c) 2020-2023 Huawei Device Co., Ltd. All rights reserved.
21 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
45 * Highest priority of a hardware interrupt.
53 * Lowest priority of a hardware interrupt.
73 * Count of M-Core system interrupt vector.
79 * Count of M-Core interrupt vector.
90 …* The value range of the interrupt number applicable for a Cortex-M7 platformis [OS_USER_HWI_MIN,…
100 * Solution: Pass in a valid non-null hardware interrupt handling function.
130 …* Solution: Check whether the interrupt specified by the passed-in interrupt number has already be…
[all …]
/kernel/liteos_m/arch/arm/cortex-m4/gcc/
Dlos_arch_interrupt.h2 * Copyright (c) 2013-2019 Huawei Technologies Co., Ltd. All rights reserved.
3 * Copyright (c) 2020-2023 Huawei Device Co., Ltd. All rights reserved.
21 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
45 * Highest priority of a hardware interrupt.
53 * Lowest priority of a hardware interrupt.
73 * Count of M-Core system interrupt vector.
79 * Count of M-Core interrupt vector.
90 …* The value range of the interrupt number applicable for a Cortex-M4 platform is [OS_USER_HWI_MIN…
100 * Solution: Pass in a valid non-null hardware interrupt handling function.
130 …* Solution: Check whether the interrupt specified by the passed-in interrupt number has already be…
[all …]
/kernel/liteos_m/arch/arm/cortex-m3/keil/
Dlos_arch_interrupt.h2 * Copyright (c) 2013-2019 Huawei Technologies Co., Ltd. All rights reserved.
3 * Copyright (c) 2020-2023 Huawei Device Co., Ltd. All rights reserved.
21 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
47 * Highest priority of a hardware interrupt.
55 * Lowest priority of a hardware interrupt.
63 * Count of M-Core system interrupt vector.
69 * Count of M-Core interrupt vector.
92 …* The value range of the interrupt number applicable for a Cortex-M3 platform is [OS_USER_HWI_MIN,…
102 * Solution: Pass in a valid non-null hardware interrupt handling function.
132 …* Solution: Check whether the interrupt specified by the passed-in interrupt number has already be…
[all …]
/kernel/liteos_m/arch/arm/cortex-m33/iar/TZ/non_secure/
Dlos_arch_interrupt.h2 * Copyright (c) 2013-2019 Huawei Technologies Co., Ltd. All rights reserved.
3 * Copyright (c) 2020-2023 Huawei Device Co., Ltd. All rights reserved.
21 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
45 * Highest priority of a hardware interrupt.
53 * Lowest priority of a hardware interrupt.
73 * Count of M-Core system interrupt vector.
79 * Count of M-Core interrupt vector.
90 …* The value range of the interrupt number applicable for a Cortex-M33 platform is [OS_USER_HWI_MI…
100 * Solution: Pass in a valid non-null hardware interrupt handling function.
130 …* Solution: Check whether the interrupt specified by the passed-in interrupt number has already be…
[all …]
/kernel/liteos_m/arch/arm/cortex-m55/iar/TZ/non_secure/
Dlos_arch_interrupt.h2 * Copyright (c) 2013-2019 Huawei Technologies Co., Ltd. All rights reserved.
3 * Copyright (c) 2020-2023 Huawei Device Co., Ltd. All rights reserved.
21 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
45 * Highest priority of a hardware interrupt.
53 * Lowest priority of a hardware interrupt.
73 * Count of M-Core system interrupt vector.
79 * Count of M-Core interrupt vector.
90 …* The value range of the interrupt number applicable for a Cortex-M33 platform is [OS_USER_HWI_MI…
100 * Solution: Pass in a valid non-null hardware interrupt handling function.
130 …* Solution: Check whether the interrupt specified by the passed-in interrupt number has already be…
[all …]
/kernel/liteos_m/arch/arm/cortex-m33/gcc/TZ/non_secure/
Dlos_arch_interrupt.h2 * Copyright (c) 2013-2019 Huawei Technologies Co., Ltd. All rights reserved.
3 * Copyright (c) 2020-2023 Huawei Device Co., Ltd. All rights reserved.
21 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
45 * Highest priority of a hardware interrupt.
53 * Lowest priority of a hardware interrupt.
73 * Count of M-Core system interrupt vector.
79 * Count of M-Core interrupt vector.
90 …* The value range of the interrupt number applicable for a Cortex-M33 platform is [OS_USER_HWI_MI…
100 * Solution: Pass in a valid non-null hardware interrupt handling function.
130 …* Solution: Check whether the interrupt specified by the passed-in interrupt number has already be…
[all …]
/kernel/linux/linux-6.6/Documentation/translations/zh_TW/arch/arm64/
Dsilicon-errata.txt1 SPDX-License-Identifier: GPL-2.0
3 Chinese translated version of Documentation/arch/arm64/silicon-errata.rst
6 original document maintainer directly. However, if you have a problem
9 or if there is a problem with the translation.
15 ---------------------------------------------------------------------
16 Documentation/arch/arm64/silicon-errata.rst 的中文翻譯
30 ---------------------------------------------------------------------
41 A 類:無可行補救措施的嚴重缺陷。
50 情況下,爲將 A 類缺陷當作 C 類處理,可能需要用類似的手段。這些手段被
55 相應的內核配置(Kconfig)選項被加在 「內核特性(Kernel Features)」->
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