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[usr] Offer user a second chance to enter the shell on boot failure

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This commit is contained in:
Michael Brown 2008-03-26 23:16:20 +00:00
parent 4b267ed713
commit 978996cdae
2 changed files with 32 additions and 21 deletions
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34
src/core/main.c
View File

@ -14,26 +14,54 @@ Literature dealing with the network protocols:
**************************************************************************/
#include <stdio.h>
#include <gpxe/init.h>
#include <gpxe/features.h>
#include <gpxe/shell.h>
#include <gpxe/shell_banner.h>
#include <usr/autoboot.h>
#define NORMAL "\033[0m"
#define BOLD "\033[1m"
#define CYAN "\033[36m"
static struct feature features[0] __table_start ( struct feature, features );
static struct feature features_end[0] __table_end ( struct feature, features );
/**
* Main entry point
*
* @ret rc Return status code
*/
__cdecl int main ( void ) {
struct feature *feature;
initialise();
startup();
if ( shell_banner() )
/* Print welcome banner */
printf ( NORMAL "\n\n\n" BOLD "gPXE " VERSION
NORMAL " -- Open Source Boot Firmware -- "
CYAN "http://etherboot.org" NORMAL "\n"
"Features:" );
for ( feature = features ; feature < features_end ; feature++ )
printf ( " %s", feature->name );
printf ( "\n" );
/* Prompt for shell */
if ( shell_banner() ) {
/* User wants shell; just give them a shell */
shell();
else
} else {
/* User doesn't want shell; try booting. If booting
* fails, offer a second chance to enter the shell for
* diagnostics.
*/
autoboot();
if ( shell_banner() )
shell();
}
shutdown();
return 0;

19
src/hci/shell_banner.c
View File

@ -18,7 +18,6 @@
#include <stdio.h>
#include <console.h>
#include <gpxe/features.h>
#include <gpxe/timer.h>
#include <gpxe/shell_banner.h>
@ -30,13 +29,6 @@
#define BANNER_TIMEOUT ( 2 * TICKS_PER_SEC )
#define NORMAL "\033[0m"
#define BOLD "\033[1m"
#define CYAN "\033[36m"
static struct feature features[0] __table_start ( struct feature, features );
static struct feature features_end[0] __table_end ( struct feature, features );
/**
* Print shell banner and prompt for shell entry
*
@ -44,18 +36,9 @@ static struct feature features_end[0] __table_end ( struct feature, features );
*/
int shell_banner ( void ) {
unsigned long timeout = ( currticks() + BANNER_TIMEOUT );
struct feature *feature;
int key;
int enter_shell = 0;
int key;
/* Print welcome banner */
printf ( NORMAL "\n\n\n" BOLD "gPXE " VERSION
NORMAL " -- Open Source Boot Firmware -- "
CYAN "http://etherboot.org" NORMAL "\n"
"Features:" );
for ( feature = features ; feature < features_end ; feature++ ) {
printf ( " %s", feature->name );
}
printf ( "\nPress Ctrl-B for the gPXE command line..." );
/* Wait for key */