kshell_cmds.c File Reference

#include "kshell_cmds.h"
#include <stddef.h>
#include "cpu/gdt.h"
#include "cpu/idt.h"
#include "hal.h"
#include "io.h"
#include <console.h>
#include "port_io.h"
#include <stdlib.h>
#include <string.h>

Macros
#define	CMD(_name)   static int _name(int argc, const char *argv[], putchar putc);
	Macro to declare a shell command.

Functions
cmd_t	find_cmd (const char *name)
	Gets the cmd_t of a shell command, or NULL if not found.
static int	echo (int argc, const char *argv[], putchar putc)
static int	help (int argc, const char *argv[], putchar putc)
static int	quit (int argc, const char *argv[], putchar putc)
static int	clear (int argc, const char *argv[], putchar putc)
static int	framebuffer (int argc, const char *argv[], putchar putc)
static int	idt (int argc, const char *argv[], putchar putc)
static int	gdt (int argc, const char *argv[], putchar putc)
static int	div (int argc, const char *argv[], putchar putc)

Variables
struct cmd_tbl_entry	command_table []
	The shell's commands.

Macro Definition Documentation

CMD

#define CMD

(

_name

)

static int _name(int argc, const char *argv[], putchar putc);

Macro to declare a shell command.

Parameters

_name

Name of the command and its associated function.

Function Documentation

clear()

static int clear ( int  argc, const char *  argv[], putchar  putc  )

static

div()

static int div ( int  argc, const char *  argv[], putchar  putc  )

static

echo()

static int echo ( int  argc, const char *  argv[], putchar  putc  )

static

find_cmd()

cmd_t find_cmd

(

const char *

name

)

Gets the cmd_t of a shell command, or NULL if not found.

Parameters

name	Name the command.

framebuffer()

static int framebuffer ( int  argc, const char *  argv[], putchar  putc  )

static

gdt()

static int gdt ( int  argc, const char *  argv[], putchar  putc  )

static

help()

static int help ( int  argc, const char *  argv[], putchar  putc  )

static

idt()

static int idt ( int  argc, const char *  argv[], putchar  putc  )

static

quit()

static int quit ( int  argc, const char *  argv[], putchar  putc  )

static

Variable Documentation

command_table

struct cmd_tbl_entry command_table[]

Initial value:

= {
        { "echo", echo, "display a line of text" },
        { "help", help, "print help message for kernel commands" },
        { "quit", quit, "quit the operating system" },
        { "clear", clear, "clear the kernel console" },
        { "framebuffer", framebuffer, "manage the screen framebuffer" },
        { "idt", idt, "print interrupt descriptor table info" },
        { "gdt", gdt, "print global descriptor table info" },
        { "div", div, "divide two integers and display the result" },
        
        { NULL, NULL, NULL }
}

The shell's commands.