Video gamers know about cheat codes, but assembly language programmers are often in search of undocumented instructions. One way to find them is to map out all of a CPU’s opcodes and where there are ...
As simple as a processor’s instruction set may seem, especially in a 1978-era one like the Intel 8086, there is quite a bit going on to go from something like a conditional jump instruction to a set ...
On January 8th Intel released new Linux Processor microcode data files that can be used to mitigate the Spectre and and Meltdown vulnerabilities in Intel CPUs. Using microcode files, an operating ...
Something to look forward to: Intel's plan to address voltage-related crashes on desktop processors with a patch has some worried that performance and overclocking will take a hit. Past updates to ...
Gregory Tang and Rajat Bahl, AMD, Inc. Alex Wakefield and Padmaraj Ramachandran, Synopsys Inc. As microprocessor designs have grown considerably in complexity, the use of hand-written directed tests ...
In a nutshell: Google researchers recently disclosed a stealthy security flaw dubbed "EntrySign" that allowed malicious code execution through unsigned microcode patches on AMD processors from Zen 1 ...
Researchers have devised a new method that allows potential attackers to leak sensitive information such as encryption keys from the Linux kernel’s memory and Intel SGX enclaves. The attack, dubbed ...
NVidia often takes an interesting approach with its technology, and the firm’s upcoming dual-core Tegra K1-64 is no different. It employs the Denver CPU architecture that implements ARM’s ARMv8 64-bit ...
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