42 lines
892 B
C
42 lines
892 B
C
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#include "etherboot.h"
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#include "stddef.h"
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#include "dev.h"
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/* Defined by linker */
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extern struct boot_driver boot_drivers[];
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extern struct boot_driver boot_drivers_end[];
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/* Current attempted boot driver */
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static struct boot_driver *boot_driver = boot_drivers;
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/* Print all drivers */
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void print_drivers ( void ) {
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struct boot_driver *driver;
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for ( driver = boot_drivers ; driver < boot_drivers_end ; driver++ ) {
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printf ( "%s ", driver->name );
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}
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}
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/* Get the next available boot device */
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int probe ( struct dev *dev ) {
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for ( ; boot_driver < boot_drivers_end ; boot_driver++ ) {
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dev->name = "unknown";
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if ( boot_driver->probe ( dev ) )
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return 1;
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}
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/* No more boot devices found */
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boot_driver = boot_drivers;
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return 0;
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}
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/* Disable a device */
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void disable ( struct dev *dev ) {
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if ( dev->dev_op ) {
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dev->dev_op->disable ( dev );
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dev->dev_op = NULL;
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}
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}
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