Open Source & Linux Lab etc:users:jcmvbkbc

binutils support for Xtensa

anonymous@undisclosed.example.com (Anonymous) — Mon, 18 Mar 2024 14:47:26 +0000

binutils support for Xtensa * git tree: FDPIC support * [+] static linking * [+] PDE * [+] PIE * [±] PLT and lazy binding * [+] TLS FDPIC instruction sequences Local call Default local call +0: movi tmp, target@GOT +3: add tmp, tmp, localGOTptr +5: l32i tmp, tmp, 0 +7: mov GOTptr, localGOTptr +9: callx0 tmp

OSLL/ESR

anonymous@undisclosed.example.com (Anonymous) — Mon, 08 Aug 2016 20:53:14 +0000

OSLL/ESR Технологии * eCos -- операционная система реального времени; ; * redboot -- загрузчик из eCos; * buildroot -- система сборки, на основе которой сделан linuxcrater;

GCC support for Xtensa

anonymous@undisclosed.example.com (Anonymous) — Fri, 17 Mar 2023 06:22:24 +0000

GCC support for Xtensa * Git tree: Compiler build for full testing gcc testsuite requires libc, so the easiest way is the following: * build toolchain with libc, e.g. by the buildroot * configure and build gcc with sysroot of that toolchain:

GLIBC support for Xtensa

anonymous@undisclosed.example.com (Anonymous) — Fri, 13 Apr 2018 21:27:22 +0000

GLIBC support for Xtensa Testing * * Testsuite results Testsuite may be run natively (on linux system running on hardware or in system emulation) or on linux-user emulation. First is very accurate, but slow. Second is fast (10h wall clock for all tests) but not so accurate.

Hardware notes

anonymous@undisclosed.example.com (Anonymous) — Mon, 08 Aug 2016 20:53:14 +0000

Hardware notes ARM-USB-TINY-H Chip datasheet: Connector pinout 9 5 1 ----^^---- /oooooooooo\ \oooooooooo/ ---------- 6 2 Low voltage UART mode Pin functions * 1, 2: Vcc (connected) * 4, 6 and the rest of the low row: GND (connected)

Opensource compiler for motorola internal language

anonymous@undisclosed.example.com (Anonymous) — Mon, 08 Aug 2016 20:53:14 +0000

Opensource compiler for motorola internal language Git repo (http) Project tracker Orthogonal aspects Orthogonal aspects must be decoupled to the maximal possible extent: * output language * output file structure * user data structures and field names * memory allocation

Политика сосуществования библиотек собранных ...

anonymous@undisclosed.example.com (Anonymous) — Mon, 08 Aug 2016 20:53:14 +0000

Политика сосуществования библиотек собранных разными компиляторами c++ Ситуация ОС: МСВС. Имеются gcc-2.95.4, qt-2.3, qt-3.3. Имеется другая версия gcc и набор библиотек (в т.ч. на с++), скомпилированных им. Хочется иметь возможность установить в систему как $0", то он после установки LD_LIBRARY_PATH запускает программу "$…

Linux developer starter page

anonymous@undisclosed.example.com (Anonymous) — Mon, 08 Aug 2016 20:53:14 +0000

Linux developer starter page Development process * Read Documentation/SubmittingPatches * Patch format * Patch rules * linux-wireless process Mailing lists * VGER Code * Linux kernel archives * Linux GIT * Linux cross reference Guides/HOWTOs * The Linux Documentation Project * Linux Weekly News articles indexed by topic Books * Understanding the Linux Kernel, 3rd edition * Linux Kernel Development, 3rd edition

Linux memory management summary

anonymous@undisclosed.example.com (Anonymous) — Mon, 08 Aug 2016 20:53:14 +0000

Linux memory management summary Every part of process address space is some sort of mapping. Memory accounting ps terminology: * %mem (pmem) -- ratio of the process’s resident set size to the physical memory on the machine, expressed as a percentage;

Linux port for Xtensa

anonymous@undisclosed.example.com (Anonymous) — Wed, 12 Jul 2023 06:25:20 +0000

Linux port for Xtensa * Linux git tree: * Build/test tools git tree: * Toolchain build scripts/overlays git tree: * Patch review check list * Patch/pull request check list * Rootfs notes TODO * dynamic ftrace * kgdb/kdb * kexec * NX In Progress * kprobes * Booting linux on ESP32 * Booting linux on ESP32s3 * Booting wifi-e…

GNU/Linux, rootfs

anonymous@undisclosed.example.com (Anonymous) — Mon, 08 Aug 2016 20:53:14 +0000

GNU/Linux, rootfs <128 Mb Проблема: имеется множество разных конфигураций машин, на которых хочется запускать свой софт. Общее в них -- это PC, x86, не хуже Pentium-200. Хочется иметь базовую конфигурацию, которая будет работать

Little things every day

anonymous@undisclosed.example.com (Anonymous) — Mon, 08 Aug 2016 20:53:14 +0000

Little things every day The idea I've so many things that I'd like to get familiar with. At least to know them practically. But it always turns that there's no time for the little ones and not enough skills for the big ones. So, I'm going to pick every day one thing off this heap, cut it so that it would get 1.5 - 2 hours to complete it and do it!

LiveCD Wi-Fi router

anonymous@undisclosed.example.com (Anonymous) — Mon, 08 Aug 2016 20:53:14 +0000

LiveCD Wi-Fi router Сделано по мотивам старой песни “хочу чтобы работало искаропки”. Внешний интерфейс -- eth0, внутренний -- wlan0. То что помечено FILL IN YOURS

LLVM/clang-based compiler for multiclet