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feature: functional shell with help and merdella commands

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TOOD: reboot, poweroff, echo, color
This commit is contained in:
0x35c
2024-09-10 20:03:33 +02:00
parent 232b19666a
commit 15bdb4743a
8 changed files with 232 additions and 19 deletions
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11
headers/keyboard.h
View File

@ -1,5 +1,7 @@
#pragma once
#include <stdint.h>
static const char *keymap[128] = {
[2] = "1!", [3] = "2@", [4] = "3#", [5] = "4$", [6] = "5%",
[7] = "6^", [8] = "7&", [9] = "8*", [10] = "9(", [11] = "0)",
@ -93,6 +95,11 @@ static const char *keymap[128] = {
#define KEY_RIGHT 0x4D
#define KEY_SPACE 0x39
#define KEY_UP 0x48
#define KET_LEFT_SHIFT 0x2A
#define KEY_LEFT_SHIFT 0x2A
#define KEY_RIGHT_SHIFT 0x36
#define KEY_CAPSLOCK 0x3A
#define KEY_CAPSLOCK 0x3A
struct key_event {
uint8_t c;
uint8_t scan_code;
};

49
headers/shell.h Normal file
View File

@ -0,0 +1,49 @@
#pragma once
#define PROMPT "> "
static const char *POOP =
" / ____/ / _ \\\n"
" _/ ___/_ / / \\___ \\_\n"
" / _/'-, `---._ / / \\_ \\\n"
" / ______/(0} `, , ` , ) / / \\_ \\\n"
" / V ; ` , ` ( / / ,'~~~~~~`, \\\n"
" | `.____,- ' (, ` , ) / / :`,-'\"\"`. \"; "
"|\n"
" | `-------._); , ` `, / / \\;: )``: |\n"
" / / ) ) ; ` ,, : / / `` : '; "
"\\\n"
"/ / ( (`;: ; ` ;:\\ / / ;;;, "
"\\\n"
"| / (: )``;:;;)`'`'`--./ / ____ _,-';;` "
"|\n"
"| | :` )`;)`)`' : / / ~~~~~ ~~~`--',.;;;| "
"|\n"
"| | `--;~~~~~ ` / /, \" \" \"` \",, \\ ;`` | "
" |\n"
"| | ( ; , / / ; `; ; | "
"|\n"
"| | (; ; ; ` / / ,` ` : | "
"><\n"
"| | (; / / / ` ; ; : |\n"
"| \\ ;(_; ; : / /` ; ; ,,,\"\"\";} `; / "
"><\n"
"\\ \\ : `; `; ` / /,;,'''' );;`); ; / >< "
" ><\n"
" \\ | ;' :; ;/ / (;` :( ; , ; | "
"><\n"
" | | |, `;; ,/ / `)`; `(; ` `; | "
"(`\\\n"
" | \\ ; ;; ``: / `).:` \\;, `. / _> "
")_\n"
" \\ \\_ ,-' ;`;;:;` / ;;'`;; `) )/ ,-' "
",-. `;\n"
" \\ \\_ ~~~,-`;`;,\" / ~~~~~ ,-' ; "
"`\"\"/ /\"\"\n"
" \\_ \\___\"\"\"/\"\" / `\"\"/\"\" "
"\n";
typedef enum { HELP, REBOOT, POWEROFF, ECHO, COLOR, MERDELLA, ERROR } CMD_TOK;
void reboot(void);
void shell_init(void);

9
headers/terminal.h
View File

@ -1,5 +1,6 @@
#pragma once
#include "keyboard.h"
#include <stdbool.h>
#include <stddef.h>
#include <stdint.h>
@ -14,6 +15,7 @@ struct screen {
size_t column;
uint8_t color;
uint16_t buffer[VGA_WIDTH * VGA_HEIGHT];
char line[256];
};
enum vga_color {
@ -35,13 +37,16 @@ enum vga_color {
VGA_COLOR_WHITE = 15,
};
enum cursor_direction { LEFT, RIGHT, UP, DOWN };
void terminal_initialize(void);
void terminal_setcolor(uint8_t color);
void terminal_putentryat(char c, uint8_t color, size_t x, size_t y);
int terminal_putchar(char c);
int terminal_write(const char *data, size_t size);
int terminal_writestring(const char *data);
int terminal_writelong(long number);
void terminal_set_screen(int pos);
uint8_t terminal_getkey(void);
struct key_event terminal_getkey(void);
void update_cursor(void);
void move_cursor(int direction);
struct screen *get_screen(void);