Chris Edwards explains how interrupt handling is being offloaded from microcontrollers. For a number of reasons, including cost, embedded microprocessors have been required to take on tasks for which ...
For a number of reasons, including cost, embedded microprocessors have been required to take on tasks for which they are not always well suited. Frequent interruptions from the outside world is one ...
Abstract: Interrupt request (IRQ) handling is a crucial capability of modern computing systems that greatly affects system functionality and responsiveness. The necessity of OS intervention for IRQ ...
A technical paper titled “CV32RT: Enabling Fast Interrupt and Context Switching for RISC-V Microcontrollers” was published by researchers at ETH Zurich and University of Bologna. “Processors using the ...
Endian format refers to how multibyte variables are stored in a byte-wide memory. In 'big endian' format, the most significant byte is stored in the first byte (lowest address). In 'little endian' ...
AMD was the first to come out with its proposed changes in February 2021: AMD Supervisor Entry Extensions. Intel followed in March with its flexible return and event delivery (FRED) design. What ...
If you read Japanese, you might have seen the book “Design and Implementation of Microkernels” by [Seiya Nuda]. An appendix covers how to write your own operating system for RISC-V in about 1,000 ...
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