ARMv7 "write buffer" issue

Zhanguo Li

Note: This was originally posted on 3rd July 2012 at http://forums.arm.com

Hi All,

I have a question about the "write buffer" for ARMv7 processor.

Write buffer is explicitly described in TRM(tech reference manual) prior to ARMv6. E.g, how to enable…

Armv7 Store Buffer

Yang Wang

Hi,

Store Buffer holds store operation before it is commited to Cache or Main Memory.

So only if the proper store buffer entry is drained, can we get the right data by a load operation. Am I right?

If yes, is it possible that we read a unexpected value…

Answered

ARM v7 Instruction Set Architecture Opcode Code

DavidSV2017

Hello,

I am working with some ARM hardware and I wrote a program in ARM Assembly. The ARM hardware that I am using requires the the program to be in HEX values and I found a website online that allowed me to convert the ARM Assembly language to HEX, the…

Answered

Security Extensions in ARMv7

Rakesh Reddy

"the Security Extensions integrate hardware security features into the architecture". Please can anybody make clear what exactly is "security" in hardware point of view in an ARMv7-A profile..?

can you please give any real-time example…

Answered

The Top 5 Things to Know about Cortex-A7

Kinjal Dave

The ARM Cortex-A7 MPCore processor is the most energy efficient application processor that ARM has ever developed and has dramatically extended ARM’s low-power leadership in entry level smart phones, tablets and other high end mobile devices. Here…

over 6 years ago
Processors
Processors blog

ARMv7-A - Power to the People

Chris Shore

Recently, I wrote an article called “Navigating the Cortex Maze” (Navigating the Cortex Maze) That was intended as an easy way-in to the ARM processor range, covering Cortex-A (architecture ARMv7-A), Cortex-R (ARMv7-R) and Cortex-M (ARMv7…

over 6 years ago
System
Embedded blog