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Architecture Document
Version: E.e
Recommended
February 15, 2021
This manual documents the Microcontroller profile of version 7 of the ARM Architecture, the ARMv7-M architecture profile.
PDF - 5.7 MB
Armv7-M
Architecture Document
Version: 2025-03
Recommended
March 25, 2025
This document provides descriptions in HTML format for the A-profile system registers and memory-mapped registers.
Armv8-A
Armv9-A
Purpose ... opc1 CRn CRm opc2 0b1111 0b000 0b0111 0b0101 0b110 if !IsFeatureImplemented(FEAT_AA32EL1) then UNDEFINED; elsif PSTATE.EL == EL0 then
CRn CRm opc2 0b1111 0b000 0b0111 0b1001 ... if !(IsFeatureImplemented(FEAT_AA32EL1) && IsFeatureImplemented(FEAT_PAN2)) then UNDEFINED; elsif PSTATE.EL == EL0 then
Purpose ... opc1 CRn CRm opc2 0b1111 0b000 0b0111 0b0001 0b110 if !IsFeatureImplemented(FEAT_AA32EL1) then UNDEFINED; elsif PSTATE.EL == EL0 then
Architecture Document
Version: 2025-03
Recommended
March 25, 2025
This document provides descriptions in HTML format for the A-profile A64 Instruction Set Architecture.
Armv8-A
Armv9-A
For more information, see PSTATE.BTYPE. ... System (FEAT_BTI) 31 30 29 28 27 26 25 24 23 22 21 ... 3 2 ... 1 ... 0 ... x ... CRm op2
8 7 6 5 4 3 2 ... sf ... 1 ... 0 ... cc ... CBLT <Wm>, <Wt>, <label> ... Applies when (sf == 1) ... is equivalent to CBGT <Xt>, <Xm>, <label> Assembler Symbols
imms Rn Rd opc ... Applies when (sf == 0 && N == 0) AND <Wd|WSP>, <Wn>, #<imm> Encoding for the 64-bit variant Applies when (sf == 1) AND <Xd|SP>, <Xn>, #<imm>
Guide
Version: 1.0 - New
Last Tuesday
This guide focuses on the Memory System Resource Partitioning and Monitoring(MPAM) Extention
Armv9-A
Learn the architecture
This topic is part of the Learn the architecture - Memory System Resource ... It applies to the following products: Learn the architecture, Armv9-A, MPAM. The document version is 1.0
This topic is part of the Learn the architecture - Memory System Resource ... It applies to the following products: Learn the architecture, Armv9-A, MPAM. The document version is 1.0
This topic is part of the Learn the architecture - Memory System Resource ... It applies to the following products: Learn the architecture, Armv9-A, MPAM. The document version is 1.0
Guide
Version: 0100
April 8, 2025
Design Checklists help hardware designers check that their Arm-based designs are fit for purpose and follow Arm’s recommended design guidelines.
Cortex-A73
Cortex-A55
Cortex-A53
Cortex-A35
Cortex-A32
Cortex-R8
Cortex-R7
Cortex-R82
Cortex-R52+
Cortex-M33
Cortex-M23
Cortex-M7
Cortex-M4
Cortex-M3
Cortex-M0+
Cortex-M0
Cortex-M55
Cortex-M85
Cortex-M52
CoreLink CI-700
Neoverse CMN-700
CoreLink NIC-400
CoreLink GIC-600
CoreLink GIC-700
CoreLink MMU-600
CoreLink MMU-700
CoreSight SoC-600
This topic is part of the Arm Design Checklists User Guide document. It applies to the following products: Cortex-A32, Cortex-A35, Cortex-A53, Cortex-A55, ... The document version is 0100
You can enter the underlined text instead of the full command or option name. <and> Encloses replaceable terms for assembler syntax where they appear in code or code ... Warning
Cortex-R5 Cortex-R8 ... Cortex-R52+ Cortex-R82 Cortex-M processors ... Cortex-M0+ Cortex-M3 Cortex-M4 Cortex-M7 Cortex-M23 Cortex-M33 Cortex-M52
Architecture Document
Version: 2025-03
March 25, 2025
This document provides descriptions in HTML format for the A-profile A32 and T32 Instruction Set Architecture.
Armv8-A
Armv9-A
1 0 cond op0 op1 Decode fields Instruction details ... 00x Data-processing and miscellaneous instructions ... 010 ... != 1111 011 ... Media instructions 10x
Load/Store Multiple ... Branch (immediate) Exception Save/Restore The encodings in this section are decoded from Branch, branch with link, and block ... 31 30 29 28 27
6 5 4 3 2 ... 1 ... 0 D size Vn Vd ... Vm ... Applies when (Q == 1) ... Decode for all variants of this encoding ... constant integer index = integer UNKNOWN;
Guide
Version: 1.0 - New
Last Friday
This guide provides an introduction to the MPS2(+) FPGA prototyping board for Cortex-M systems.
MPS2
TITLE: Versatile Express Images Configuration File ... TOTALIMAGES: 2 ;Number of Images (Max: 32) ... Please note that Keil Debug of these examples will only work with FPGA image for SSE-200 ...
The document version is 1.0 ... It is necessary to make the following changes: ... mbb_v300.ebf ... reset.txt shutdown.txt MPS2+ Firmware update for reboot.txt method c3b2cf1MPS2
The incorrect file defines the following register offsets: ... RESERVED; // Offset: 0x024 FPGA Prescale register address incorrect in MPS2(+) software header file c3b2cf1MPS2
Guide
Version: 101 - New
Last Wednesday
This guide introduces debug and the AArch64 debug architecture that is incorporated into the Arm architecture for application class processors.
Learn the architecture
What is Debug state? If debug logic is configured for external debug, debug events halt the Processing ... Figure 2. Debug event actions flow diagram ... How to access debug logic
Kernel debugging Kernel debugging enables the debugging of code that is executing at EL0 and EL1 by a debugger ... The following diagram shows kernel debugging: ... Hypervisor debugging
The guide also provides a brief introduction to external debug. Before you begin ... Learn the architecture - Debugger usage Overview 1be2104Learn the architecture
Guide
Version: 3.2 - New
April 22, 2025
This guide provides an overview of the features of the Arm CoreLink Generic Interrupt Controller (GIC) v3 and v4.
Generic Interrupt Controller
Learn the architecture
Arm CoreLink GICv3 supports this model, but also provides an additional signaling ... Message signaled interrupt signal ... This peripheral configuration is beyond of the scope of this guide.
For simplicity, this guide concentrates on a subset of those configurations and use ... Use from an Exception level that is using AArch32. ... Before you begin dbea8d1Learn the architecture
Arm Cortex-A7 MPCore Arm Cortex-A15 MPCore Arm Cortex-A17 MPCore ... All key features of GICv2 Support for more than eight PEs ... GICv4 All key features of GICv3 ... Note
Technical Reference Manual
Version: r0p1
March 28, 2025
This manual is for the Cortex -R82AE processor. It provides reference information and contains programming details for registers. It also describes the memory system, the interrupts, the debug features, and other key features of the processor.
Cortex-R82AE
0b0011 As 0b0010, with linking enabled. ... Unlinked VMID match. ... 0b1001 As 0b1000, with linking enabled. This value applies when breakpoint n is context-aware. 0b1010
Reset ... Reserved, Sign extended. ... If all bits in this field are not the same value as the most significant bit of the VA ... 7{x} [56:53] RESS[7:4] Extension to RESS[14:8].
If RXfull is set to 0, return an UNKNOWN value. After the read, RXfull is cleared to 0. 32{x} Access MRS <Xt>, DBGDTR_EL0 op0 op1 CRn CRm op2 0b10
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