Matthew Gretton-Dann titled this presentation: Porting & Optimising Code 32-bit to 64-bit
The title is accurate but he does a better job of giving a high level overview of the ARMv7 and ARMv8 architecture differences, C++11 memory models (which become…
Root of Trust implementation – Connected devices with authentication requirements need a root of trust in the system architecture. This is particularly important for devices that can be updated over the air. In a system with TrustZone technology, code…
Hi,
I am new to the ARM TrustZone Architecture.
I am confused that who sets the NS bit in the SCR register, is it the processor itself set bit to 1 when it enters the EL3 mode, or it is the Monitor mode code is setting the NS bit ?
Maybe I am asking…
From "ARM v8-M Architecture Reference Manual", about IDAU I see:
The IDAU can provide the following Security attribution information for an address:
• Security attribution exempt. This specifies that the address is exempt from security attribution…
Hi guys,
I found in armv8-arch ref manual that when PRIS bit in the AIRCR is set, the priority of non-secure handler is mapped to the bottom of the priority range. So I did an experiment.
I configured two exceptions, systick and svc. The priority are 2…
Hello All,
Requirements:
I could find some options, however, I cannot differentiate…
We are very pleased to announce a new online training topic – An Introduction to Armv8-M.
This is the latest addition to our introduction to Arm the Arm architecture series and is targeted to those new to developing on Armv8-M or those wanting a…
The next generation of ARM Cortex-M processors will be powered by a new architecture version called ARMv8-M architecture. This document provides a technical overview of various enhancements in the new architecture, as well as an introduction to the security…
