Return to tacons.c CVS log

Up to [local] / funnyos / arch / testarm / dev

Annotation of funnyos/arch/testarm/dev/tacons.c, Revision 1.1

1.1     ! init        1: /*
        !             2:  * $Id: tacons.c,v 1.1.1.1 2007/10/12 08:40:36 init Exp $
        !             3:  */
        !             4: #include <sys/types.h>
        !             5: #include <sys/device.h>
        !             6: #include <sys/bus.h>
        !             7: #include <arch/testarm/dev/taconsreg.h>
        !             8: #include <dev/fcons/fconsvar.h>
        !             9: #include <libkern/printf.h>
        !            10:
        !            11: /*
        !            12:  * testarm console support.
        !            13:  */
        !            14:
        !            15: #if 0
        !            16: struct consoleops      tacons_dd[NTACONS];
        !            17:
        !            18: int    tacons_attach(struct device *);
        !            19: char   tacons_getc(struct device *);
        !            20: void   tacons_putc(struct device *, char);
        !            21: void   tacons_early_putc(char);
        !            22:
        !            23:
        !            24: int
        !            25: tacons_attach(struct device *self)
        !            26: {
        !            27:        struct consoleops *aux = self->dv_aux;
        !            28:        aux = kmalloc(sizeof(struct consoleops));
        !            29:
        !            30:        aux->getc = tacons_getc;
        !            31:        aux->putc = tacons_putc;
        !            32:
        !            33:        printf("testarm simple console (non-blocking, halt)\n");
        !            34:
        !            35:        /*
        !            36:         * XXX test putc() & getc()
        !            37:         * and TODO: think carefully about console abstraction layer and early printf's
        !            38:         * in particular printing root/0, obio and cpu at the fcons during attachment.
        !            39:         */
        !            40:
        !            41:        return(0);
        !            42: }
        !            43:
        !            44:
        !            45: char
        !            46: tacons_getc(struct device *devp)
        !            47: {
        !            48:        /*
        !            49:         * Get a character from the console.
        !            50:         * Remember that this console is non-blocking.
        !            51:         */
        !            52:
        !            53:        return( bus_read_1(devp->dv_parent, devp->dv_locator ? devp->dv_locator + TACONS_OFF_IO : TACONS_REG_BASE + TACONS_OFF_IO) );
        !            54:
        !            55: }
        !            56:
        !            57:
        !            58: void
        !            59: tacons_putc(struct device *devp, char ch)
        !            60: {
        !            61:        /*
        !            62:         * Write a character to the console.
        !            63:         */
        !            64:
        !            65:        bus_write_1(devp->dv_parent, devp->dv_locator ? devp->dv_locator + TACONS_OFF_IO : TACONS_REG_BASE + TACONS_OFF_IO, ch);
        !            66:
        !            67:        return;
        !            68: }
        !            69:
        !            70: #endif /* not 0 */
        !            71: void
        !            72: tacons_early_putc(char ch)
        !            73: {
        !            74:        /*
        !            75:         * put a character on the unconfigured console device.
        !            76:         * This will be used during devconfig until fcons/0 is configured.
        !            77:         */
        !            78:
        !            79:        *(char *)(TACONS_REG_BASE + TACONS_OFF_IO) = ch;
        !            80: }
        !            81: