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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 ...
My understanding was that a CPU microcode update is stored in non-volatile memory on the motherboard and is loaded by the BIOS or UEFI into volatile memory on the CPU during boot. And because the ...
A team of Google researchers working with AMD recently discovered a major CPU exploit on Zen-based processors. The exploit allows anyone with local admin privileges to write and push custom microcode ...
In context: Microcode is machine instruction sets that load from the BIOS. It acts much like firmware for the PC's processor. According to MSI Marketing Director Eric van Beurden, AMD will be ...
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 ...
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 ...
NVidia's Denver architecture is implementing ARM's ARMv8 64-bit architecture from the ground up using techniques like dynamic code optimization. NVidia often takes an interesting approach with its ...
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