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Annotation of prex-old/dev/core/config_rootdev.c, Revision 1.1

1.1     ! nbrk        1: /*
        !             2:  * $Id$
        !             3:  */
        !             4: /*
        !             5:  * 'root' is the parent to all devices in system.
        !             6:  * Device module calls config_attach_rootdev() to initiate recursive
        !             7:  * autoconfiguration process.
        !             8:  */
        !             9: #include <driver.h>
        !            10:
        !            11: /*
        !            12:  * rootdev driver.
        !            13:  */
        !            14: struct driver  root_drv = {
        !            15:        "root", /* name */
        !            16:        0,              /* datasize */
        !            17:        NULL,   /* match */
        !            18:        NULL,   /* attach */
        !            19:        NULL,   /* detach */
        !            20:        -1              /* nunits XXX */
        !            21: };
        !            22:
        !            23: /*
        !            24:  * rootdev device.
        !            25:  */
        !            26: struct device  *root_dev;
        !            27:
        !            28:
        !            29: void
        !            30: config_attach_rootdev()
        !            31: {
        !            32:        /*
        !            33:         * Attach our one and only child, 'hostio'.
        !            34:         * Panic if attachment failed.
        !            35:         */
        !            36:        int     ndevs;
        !            37:
        !            38:        /*
        !            39:         * Allocate and construct ourselfes.
        !            40:         */
        !            41:        root_dev = config_alloc_device(&root_drv);
        !            42:        root_dev->dv_parent = root_dev;
        !            43:
        !            44:        ndevs = config_search_children(root_dev, NULL);
        !            45:        if (ndevs == 0)
        !            46:                panic("rootdev: can't find hostio");
        !            47: }
        !            48: