Adding Argc & Argv To The Kernel | 32 Bit OS Dev (in C)

Channel:
United States Queso Fuego
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Published on ● Video Link: https://www.youtube.com/watch?v=IutDFN6GezM


Duration: 1:04:19
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29

Using argc/argv in place of tokens in the kernel, to pass command line arguments to called programs to use.
Also changing the editor to load a file passed in from argv.

OS Dev playlist:
https://www.youtube.com/playlist?list=PLT7NbkyNWaqajsw8Xh7SP9KJwjfpP8TNX

Source code for this video:
https://git.sr.ht/~queso_fuego/amateur_os_video_sources/tree/master/item/43_printf_terminal_argc_argv

Git Repos:
Sourcehut: https://git.sr.ht/~queso_fuego/quesos
Github mirror: https://github.com/queso-fuego/amateuros

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Notes:
- I did not get full strings parsed into tokens, that would be good to add. Some sort of light state machine or extra checks if a double quote is found, then iterate until the next double quote and have that full quoted string be its own token.

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email: fuegoqueso@gmail.com
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Next video:
- Starting an ext2 or minix-esque filesystem to replace the current file table, making a program to write the new disk image.

- Let me know if there's anything specific you'd like to see!

Outline:
0:00 Overview
0:50 Add argc/argv to kernel
12:33 ctype.h and isspace() function
31:53 Use argc/argv for calling programs
38:02 Use argc/argv in the editor for loading files
49:31 Bugfixes (kind of) for the editor and delete_file()
1:02:21 Coming up & Outro

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Updates may be on twitter, YouTube channel community tab, or the community discord, if I remember to update anything.

Music credits:
Downtown Glow by Ghostrifter & Devyzed
Creative Commons — Attribution-NoDerivs 3.0 Unported — CC BY-ND 3.0
Music promoted by https://www.chosic.com/free-music/all/

#osdev #printf #programming



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Tags:
argc argv
arguments
queso fuego
c programming
os dev
kernel dev
tokens
tokenizing
isspace