NFS source code
I'm looking for the source code of both NFS client and NFS server, in order to do so change inside the code, but unfortunately I was not able to find the source code. Can anyone help, to locate their...
View Article"kernel.elf: error adding symbols: File in wrong format" [closed]
When linking a .elf file (containing a kernel and some basic drivers), I get "kernel.elf: error adding symbols: File in wrong format." I am really in the dark here because I'm a beginner to OS...
View ArticleWhat is the relation between (carry flag) and syscall in assembly (x64 Intel...
I am new to the assembly language, and I have to make an implementation of read function using assembly language x64 in MAC.so far this is what I did :;;;;;;ft_read.s;;;;;;global _ft_read:section...
View ArticleHow is Zircon kernel image linked? (where is link.ld script)
I'm reading the Zircon source code: https://fuchsia.googlesource.com/fuchsia/+/master/ and I'm trying to find how the kernel image is linked. That is, where is the start function placed?For example, on...
View ArticleHow do I fix this C-based Kernel terminal code I wrote?
I'm currently trying to make my own kernel. I ended up using C instead of assembly because I don't know much assembly.I got my code working, but then I wrote a terminal app, which didn't work when I...
View Articlehotplug of USB devices such as physical keyboard to smartphone Sony Xperia...
in order to use USB peripherals on my smartphone thanks to an OTG adapter,I reinstalled a stock ROM, then flashed a slightly more advanced custom Kernel (.zip here...
View Article"[SpyderKernelApp] WARNING | No such comm:" bm3d error in python trough...
I recently installed bm3d noise reduction algorithm on my mac by typingpip install bm3don the terminal.Everything seemed ok.However, every time I try to run it I get the same error[SpyderKernelApp]...
View ArticleCannot install Python 2 kernel in Jupyter Notebook
I am trying to use a Python program written for Python 2.7. I am using a Macbook Pro running Catalina. The program is here: https://github.com/geoss/censumander. The program has two Jupyter Notebooks...
View ArticleWhat is the easiest way to turn a kernel binary into a ISO image?
What is the easiest way to turn a kernel binary into a ISO image?I have a custom kernel image, and I want to use it on a real machine.I've already tried using grub, it never worked.
View ArticleNo arm-linux-androideabi-gcc in prebuilts for ndk r21d
Hi I'm trying to build a custom android kernel.I was told to $ export...
View ArticleHow one would implement OpenGL/Vulkan on a kernel? (example: using VideoCore...
In order to learn how kernel works I'm researching some things and I found this framebuffer tutorial for the raspberry pi's GPU:...
View ArticleWhat is a PMM arena in the context of MMU in a kernel (zircon/fuchsia)
I'm trying to understand how the Zircon's (Fuchsia OS kernel) allocs page in ARM64, so I found mmu.cpp...
View ArticleUnderstanding user/kernel crossing in context of user threads vs. kernel threads
From an OS class, I learned (using SunOS as an example) that user level threads are always mapped to a kernel level thread through the abstraction of a LWP, and that it's the kernel threads that...
View ArticleHow can I read and write to the IMCR register?
I'm currently programming an x86-64 kernel and need to set the APIC mode to symmetric I/O Mode. The Multiprocessor Specification from Intel at Page 31 says that to enable this mode you have to write...
View Articlefix type-c usb on ubuntu 20.04 [closed]
I recently bought a desktop. Like many others, I have windows installed for gaming and ubuntu for work. However, I found the usb-c port provided by the motherboard only works in windows but not in...
View ArticleKernelRestarter: restart failed in jupyter , Kernel died
[I 10:43:53.627 NotebookApp] 启动notebooks 在本地路径: /opt/soft/recommender/jupyter[I 10:43:53.627 NotebookApp] 本程序运行在: http://10.48.204.120:8888/[I 10:43:53.627 NotebookApp]...
View ArticleWhat is the purpose of Thread ID registers like TPIDR_EL0/TPIDR_EL1 in ARM?
According to ARM documentation, the thread ID registers like TPIDR_ELO or TPIDR_EL1,Provide locations to store the IDs of software threads and processesfor OS management purposes. These registers have...
View ArticleHow do I know what linux kernel version does a distribution use?
When I run uname -rI get 3.2.0-4-686-pae on my Debian7 and 4.4.26-gentoo on my Gentoo.But what I can't find anywhere is what Linux kernel source versions do these distributions use. If I understand...
View ArticleWhat is the difference between the operating system and the kernel? [closed]
I do not understand the difference between operating system and kernel. Can someone please explain it?
View ArticleLinux Kernel 'Reserved' Memory
I am trying to compile a kernel ( 3.14, arm64 arch ) for a low memory system ( 16MB ram ). I have managed to turn off all the features that I dont need, basically no devices, no fs, no modules, no...
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