Top "Arm" questions

This tag is used for questions related to the ARM (Advanced RISC Machine) family of computers; that is machines or electronics running on ARM processor cores or systems using an ARM core.

What is the interface for ARM system calls and where is it defined in the Linux kernel?

I have read about system calls in Linux, and everywhere description is given regarding x86 architecture (0x80 interrupt and SYSENTER). …

linux linux-kernel arm system-calls
Error: Cannot install in Homebrew on ARM processor in Intel default prefix (/usr/local)

I use the latest Apple M1 chip processor. And I keep getting errors while application installation. say., brew install openjdk@11 …

macos arm homebrew macos-big-sur apple-silicon
ARM Cortex-A8: Whats the difference between VFP and NEON

In ARM Cortex-A8 processor, I understand what NEON is, it is an SIMD co-processor. But is VFP(Vector Floating Point) …

arm simd neon cortex-a8
Linux cross-compilation for ARM architecture

I am interested in cross-compiling a Linux kernel for an ARM target on a x86 host. Are there some good …

linux embedded x86 arm
What is meant by data cache and instruction cache?

From here: Instructions and data have different access patterns, and access different regions of memory. Thus, having the same cache …

assembly arm cpu-architecture cpu-cache
Cycle counter on ARM Cortex M4 (or M3)?

I'm trying to profile a C function (which is called from an interrupt, but I can extract it and profile …

embedded arm cortex-m3
How do I run linux on an ARM Cortex M3 board?

I have a Luminary LM3s8962 ARM Cortex M3 development board, and while I've been able to program for it …

linux arm bootloader cortex-m3
How to properly initialize I2C stm32?

I want to get data from ADXL345 accelerometer,but seems that I incorrectly connect it. SCL- PC6(with 10k resistor) …

arm accelerometer i2c stm32 gpio
Differences Between ARM Assembly and x86 Assembly

I'm now going to learn ARM Assembly, to develop for my Windows Mobile 5 iPAQ, but I have some questions: What …

assembly embedded x86 arm
Can ARM desktop programs be built using visual studio 2012?

I was working with visual studio 2012 beta and my desktop (win32) program compiled fine in ARM architecture. After upgrading to …

arm visual-studio-2012