shell_banner.c File Reference

Shell startup banner. More...

#include <stdio.h>
#include <console.h>
#include <unistd.h>
#include <config/general.h>
#include <gpxe/keys.h>
#include <gpxe/shell_banner.h>

Go to the source code of this file.

Functions
	FILE_LICENCE (GPL2_OR_LATER)
int	shell_banner (void)
	Print shell banner and prompt for shell entry.

---

Detailed Description

Shell startup banner.

Definition in file shell_banner.c.

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Function Documentation

FILE_LICENCE

(

GPL2_OR_LATER

)

int shell_banner

(

void

)

Print shell banner and prompt for shell entry.

Return values:

enter_shell

User wants to enter shell

Definition at line 39 of file shell_banner.c.

References BANNER_TIMEOUT, CTRL_B, getchar(), iskey(), mdelay(), and printf().

Referenced by main().

                          {
        int enter_shell = 0;
        int wait_count;
        int key;

        if ( BANNER_TIMEOUT <=  0 ) {
                return enter_shell;
        }

        printf ( "\nPress Ctrl-B for the gPXE command line..." );

        /* Wait for key */
        for ( wait_count = 0 ; wait_count < BANNER_TIMEOUT ; wait_count++ ) {
                if ( iskey() ) {
                        key = getchar();
                        if ( key == CTRL_B )
                                enter_shell = 1;
                        break;
                }
                mdelay(100);
        }

        /* Clear the "Press Ctrl-B" line */
        printf ( "\r                                         \r" );

        return enter_shell;
}