CKernel | Assembly Bootloader with C Kernel

by devversion C Version: Current License: No License

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kandi X-RAY | CKernel Summary

CKernel is a C library typically used in Hardware applications. CKernel has no bugs, it has no vulnerabilities and it has low support. You can download it from GitHub.

Assembly Bootloader with C Kernel

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Quality

Security

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Support

CKernel has a low active ecosystem.

It has 12 star(s) with 3 fork(s). There are 3 watchers for this library.

It had no major release in the last 6 months.

CKernel has no issues reported. There are no pull requests.

It has a neutral sentiment in the developer community.

The latest version of CKernel is current.

Quality

CKernel has no bugs reported.

Security

CKernel has no vulnerabilities reported, and its dependent libraries have no vulnerabilities reported.

License

CKernel does not have a standard license declared.

Check the repository for any license declaration and review the terms closely.

Without a license, all rights are reserved, and you cannot use the library in your applications.

Reuse

CKernel releases are not available. You will need to build from source code and install.

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CKernel Key Features

No Key Features are available at this moment for CKernel.

CKernel Examples and Code Snippets

No Code Snippets are available at this moment for CKernel.

Community Discussions

Trending Discussions on CKernel

Cuda C threads synchronization with printf or other functions

Different results when I put identical code in a function vs writing it inline C

Filter bank taking too long for kernels to be created

Band-pass filter can't rotate more than 90 degrees

Homomorphic Filter implementation in Frequency domain

Gabor Filter implementation in Frequency domain

Why is AForge.net giving a different output in case of FFT Auto-correlation?

Kernel development, memory allocator and kprintf() strange output

QUESTION

Cuda C threads synchronization with printf or other functions

Asked 2019-Oct-28 at 20:53

I have a problem with threads' id during the block executes. I would like to have sentence like :"My temporary string is printed via GPU!" as you see (on the attached photo ealier) the sentence has been displayed wrongly and I don't know how to fix it.

Code:

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ANSWER

Answered 2019-Oct-28 at 20:53

This happened because The multiprocessor creates, manages, schedules, and executes threads in groups of 32 parallel threads called warps as you can see in CUDA Programming Guide, so the first 32 threads covers "My temporary string is printed v" and the remaining part covers "ia GPU!". It seems that the kernel put the latter wrap before the first one in execution order.

Source https://stackoverflow.com/questions/58596591

QUESTION

Different results when I put identical code in a function vs writing it inline C

Asked 2018-Nov-04 at 17:08

I am developing a simple OS in C and using QEMU to test it. I am trying to write some functions to be able to be called such as a print function. When I wrote the code in the main method everything works like it should as below:

...

ANSWER

Answered 2018-Nov-04 at 17:08

Wow after hours of debugging I found that it had nothing to do with my C code at all. I had an incorrect line when declaring my stack space in assembly that messed up the code when trying to create activation records. I appreciate the help.

Source https://stackoverflow.com/questions/53136724

QUESTION

Filter bank taking too long for kernels to be created

Asked 2018-Sep-26 at 15:25

Take a look at this question.

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ANSWER

Answered 2018-Sep-26 at 15:25

As a starting point, try this:

Source https://stackoverflow.com/questions/52369619

QUESTION

Band-pass filter can't rotate more than 90 degrees

Asked 2018-Sep-07 at 23:22

I was trying to implement the following FFT filter kernel:

^{This formula is missing with two squares under the sqrt.}

Source code

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ANSWER

Answered 2018-Sep-07 at 23:22

Rotate 90, 180, and 270 using lossless transforms and then use this for the remainder of the rotate.

Source https://stackoverflow.com/questions/52106477

QUESTION

Homomorphic Filter implementation in Frequency domain

Asked 2018-Sep-04 at 00:45

I have found various formulas for Frequency Domain representation of Homomorphic Filter. I am using the following one:

Where, D(u, v) is:

I have implemented it following the same pattern of source code as the FFT Gabor Filter.

Source Code

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ANSWER

Answered 2018-Sep-03 at 04:17

Duv has a minus in the Sqrt, while in the formula it has a plus sign. Taking the Sqrt of a negative number could explain your problem.

Source https://stackoverflow.com/questions/52142872

QUESTION

Gabor Filter implementation in Frequency domain

Asked 2018-Aug-30 at 16:20

Here we have the Spatial domain implementation of Gabor filter. But, I need to implement a Gabor filter in the Frequency Domain for performance reasons.

I have found the Frequency Domain equation of Gabor Filter:

^{I am actually in doubt about the correctness and/or applicability of this formula.}

Source Code

So, I have implemented the following :

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ANSWER

Answered 2018-Aug-30 at 16:20

There seems to be a typo in the equation for the Gabor filter that you found. The Gabor filter is a translated Gaussian in the frequency domain. Hence, it needs to have u² and v² in the exponent.

Equation (2) in your link seems more sensible, but still misses a 2:

Source https://stackoverflow.com/questions/52070219

QUESTION

Why is AForge.net giving a different output in case of FFT Auto-correlation?

Asked 2018-Aug-14 at 11:25

See this related question.

I want to obtain the same outcome using AForge.net framework. The output should match the following:

The output seems to be not coming as expected:

Why is the output different in AForge.net?

Source Code

...

ANSWER

Answered 2018-Aug-06 at 05:57

It is seems like you are not using a gaussian kernel with Aforge, Anyway, the library has a method for convolution with gaussian:

Source https://stackoverflow.com/questions/51519581

QUESTION

Kernel development, memory allocator and kprintf() strange output

Asked 2017-Aug-03 at 21:14

I'm currently working on a little kernel project, to learn more about system development. I'm facing an odd bug : i just made and debugged a little simple memory allocator (kmalloc() and kfree() functions only), and it works perfectly fine. When i print the addresses of the pointers returned by kmalloc(), everything works except for 1 pointer ! When i print the address of this pointer twice (with kprintf("addr = %x (%x)", i64, i64)) i see "addr = 0000 (F018)". This is the code and the output :

Output on QEMU

CKernel.c :

...

ANSWER

Answered 2017-Aug-03 at 21:14

Alright, problem solved ! That was just a bug with u64 and all of my itoa() i2hex() functions : they were accepting 32 bits max, so there were still 32 bits on the buffer, that were read by printf instead of the other argument (the address) ! Thanks for your answers Some programmer dude, you led my to the solution !

Source https://stackoverflow.com/questions/45461578

Community Discussions, Code Snippets contain sources that include Stack Exchange Network

Vulnerabilities

No vulnerabilities reported

Install CKernel

You can download it from GitHub.

Support

For any new features, suggestions and bugs create an issue on GitHub. If you have any questions check and ask questions on community page Stack Overflow .

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