x86   4524

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Pony Playground
The play ground supports assembly output
x86  code-generation 
6 days ago by tomcam
Latency, throughput, and port usage data for x86
"provides more than 200,000 pages with detailed latency, throughput, and port usage data for most x86 instructions on all generations of Intel's Core architecture (i.e., from Nehalem to Coffee Lake). While such data is important for understanding, predicting, and optimizing the performance of software running on these microarchitectures, most of it is not documented in Intel's official processor manuals."
hardware  intel  performance  reference  x86 
7 days ago by mechazoidal
Supply Chain Security Speculation – the grugq – Medium
The real takeaway from this is that IPMI is a raging tire fire, BMCs are Satan spawn, and never ever expose IPMI interfaces to the Internet
ipmi  x86  supermicro  security  apple  aws  supermicrocaper 
11 days ago by yorksranter
RISC-V simulator for x86-64
riscv  x86  hardware 
12 days ago by Z303
Positive Technologies - learn and secure : Intel ME Manufacturing Mode: obscured dangers and their relationship to Apple MacBook vulnerability CVE-2018-4251
"Our research shows that Intel ME has a Manufacturing Mode problem, and that even giant manufacturers such as Apple are not immune to configuration mistakes on Intel platforms. Worse still, there is no public information on the topic, leaving end users in the dark about weaknesses that could result in data theft, persistent irremovable rootkits, and even "bricking" of hardware.
We also suspect that the ability to reset ME without resetting the main CPU may lead to yet additional security issues, due to the states of the BIOS/UEFI and ME falling out of sync.
intel_me  intel  x86  security  2018 
17 days ago by mechazoidal
mu/subx at master · akkartik/mu · GitHub
SubX is a thin layer of syntactic sugar over (32-bit x86) machine code. The SubX translator (it's too simple to be called a compiler, or even an assembler) generates ELF binaries that require just a Unix-like kernel to run. (The translator isn't self-hosted yet; generating the binaries does require a C++ compiler and runtime.)
programming  assembler  X86  ELF  unix 
17 days ago by mwishek
radare - a portable reversing framework
Disassemble (and assemble for) many different architectures
Debug with local native and remote debuggers (gdb, rap, webui, r2pipe, winedbg, windbg)
Run on Linux, *BSD, Windows, OSX, Android, iOS, Solaris and Haiku
Perform forensics on filesystems and data carving
Be scripted in Python, Javascript, Go and more
Support collaborative analysis using the embedded webserver
Visualize data structures of several file types
Patch programs to uncover new features or fix vulnerabilities
Use powerful analysis capabilities to speed up reversing
Aid in software exploitation
assembly  x86  arm  radare 
19 days ago by vilcans
x86 Addressing Under the Hood — Paul Bone
In this article we take a look at how the operands of x86 instructions are encoded.
x86_64  x86  memory  addressing-mode 
23 days ago by grinful

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