| From 39991fa0f75e7e6302f17e4882ff2d2a18f36cae Mon Sep 17 00:00:00 2001 | |
| From: Sohaib Mohammed <sohaib.amhmd@gmail.com> | |
| Date: Sat, 16 Jan 2021 06:48:31 +0200 | |
| Subject: [PATCH 1/1] mychar - hello world character device | |
| --- | |
| src/kernel/Mybuild | 7 +++++++ | |
| src/kernel/mychar.c | 31 +++++++++++++++++++++++++++++++ | |
| 2 files changed, 38 insertions(+) | |
| create mode 100644 src/kernel/mychar.c |
# Random notes for me to become a good C programmer
C89 (aka "Standard C", aka "ANSI C")
| // gcc x11.c -L/usr/X11R6/lib -lX11 -o x11 | |
| #include <X11/Xlib.h> | |
| #include <stdio.h> | |
| #include <stdlib.h> | |
| #include <string.h> | |
| int main(void) { | |
| Display *d; | |
| Window w; | |
| XEvent e; |
| #include <linux/module.h> | |
| #include <linux/kernel.h> | |
| #include <linux/timer.h> | |
| #include <linux/jiffies.h> | |
| static void mykmod_timer_handler(unsigned long data); | |
| static unsigned long onesec; | |
| DEFINE_TIMER(mytimer, mykmod_timer_handler, 0, 0); |
| /* | |
| * linux/fs/exec.c | |
| * | |
| * Copyright (C) 1991, 1992 Linus Torvalds | |
| */ | |
| /* | |
| * #!-checking implemented by tytso. | |
| */ | |
| /* |
| # Set module name from the list: | |
| program = sma_usb | |
| # 'The list' | |
| #---------- | |
| obj-m += sma_usb.o | |
| # obj-m += sma_chardev.o | |
| # obj-m += sma_skeleton.o |
| all: | |
| # ./fasm/fasm boot.asm | |
| nasm -f bin boot.asm -o boot.bin | |
| run: | |
| # bochs | |
| qemu-system-x86_64 boot.bin |
| /* Microchip Technology Inc. and its subsidiaries. You may use this software | |
| * and any derivatives exclusively with Microchip products. | |
| * | |
| * THIS SOFTWARE IS SUPPLIED BY MICROCHIP "AS IS". NO WARRANTIES, WHETHER | |
| * EXPRESS, IMPLIED OR STATUTORY, APPLY TO THIS SOFTWARE, INCLUDING ANY IMPLIED | |
| * WARRANTIES OF NON-INFRINGEMENT, MERCHANTABILITY, AND FITNESS FOR A | |
| * PARTICULAR PURPOSE, OR ITS INTERACTION WITH MICROCHIP PRODUCTS, COMBINATION | |
| * WITH ANY OTHER PRODUCTS, OR USE IN ANY APPLICATION. | |
| * | |
| * IN NO EVENT WILL MICROCHIP BE LIABLE FOR ANY INDIRECT, SPECIAL, PUNITIVE, |
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