dev) /* assume one minor number per unit */ - -/* - * One of these per allocated device - */ -struct ${1}_softc { - u_long iobase; - char buffer[BUFFERSIZE]; - struct cdev *dev; -}; - -typedef struct ${1}_softc *sc_p; - -static sc_p sca[N${UPPER}]; - -/* - * Macro to check that the unit number is valid - * Often this isn't needed as once the open() is performed, - * the unit number is pretty much safe.. The exception would be if we - * implemented devices that could "go away". in which case all these routines - * would be wise to check the number, DIAGNOSTIC or not. - */ -#define CHECKUNIT(RETVAL) \ -do { /* the do-while is a safe way to do this grouping */ \ - if (unit > N${UPPER}) { \ - printf("%s: bad unit %d\n", __func__, unit); \ - return (RETVAL); \ - } \ - if (scp == NULL) { \ - printf("%s: unit %d not attached\n", __func__, unit); \ - return (RETVAL); \ - } \ -} while (0) - -#ifdef DIAGNOSTIC -#define CHECKUNIT_DIAG(RETVAL) CHECKUNIT(RETVAL) -#else /* DIAGNOSTIC */ -#define CHECKUNIT_DIAG(RETVAL) -#endif /* DIAGNOSTIC */ - -static int -${1}ioctl (struct cdev *dev, u_long cmd, caddr_t data, int flag, struct thread *td) -{ - int unit = UNIT(dev); - sc_p scp = sca[unit]; - - CHECKUNIT_DIAG(ENXIO); - - switch (cmd) { - case DHIOCRESET: - /* whatever resets it */ - (void)scp; /* Delete this line after using scp. */ -#if 0 - ${UPPER}_OUTB(scp->iobase, 0xff); -#endif - break; - default: - return ENXIO; - } - return (0); -} - -/* - * You also need read, write, open, close routines. - * This should get you started - */ -static int -${1}open(struct cdev *dev, int oflags, int devtype, struct thread *td) -{ - int unit = UNIT(dev); - sc_p scp = sca[unit]; - - CHECKUNIT(ENXIO); - - (void)scp; /* Delete this line after using scp. */ - /* - * Do processing - */ - return (0); -} - -static int -${1}close(struct cdev *dev, int fflag, int devtype, struct thread *td) -{ - int unit = UNIT(dev); - sc_p scp = sca[unit]; - - CHECKUNIT_DIAG(ENXIO); - - (void)scp; /* Delete this line after using scp. */ - /* - * Do processing - */ - return (0); -} - -static int -${1}read(struct cdev *dev, struct uio *uio, int ioflag) -{ - int unit = UNIT(dev); - sc_p scp = sca[unit]; - int toread; - - - CHECKUNIT_DIAG(ENXIO); - - /* - * Do processing - * read from buffer - */ - toread = (min(uio->uio_resid, sizeof(scp->buffer))); - return(uiomove(scp->buffer, toread, uio)); -} - -static int -${1}write(struct cdev *dev, struct uio *uio, int ioflag) -{ - int unit = UNIT(dev); - sc_p scp = sca[unit]; - int towrite; - - CHECKUNIT_DIAG(ENXIO); - - /* - * Do processing - * write to buffer - */ - towrite = (min(uio->uio_resid, sizeof(scp->buffer))); - return(uiomove(scp->buffer, towrite, uio)); -} - -static int -${1}mmap(struct cdev *dev, vm_offset_t offset, vm_paddr_t *paddr, int nprot) -{ - int unit = UNIT(dev); - sc_p scp = sca[unit]; - - CHECKUNIT_DIAG(-1); - - (void)scp; /* Delete this line after using scp. */ - /* - * Do processing - */ -#if 0 /* if we had a frame buffer or whatever.. do this */ - if (offset > FRAMEBUFFERSIZE - PAGE_SIZE) { - return (-1); - } - return i386_btop((FRAMEBASE + offset)); -#else - return (-1); -#endif -} - -static int -${1}poll(struct cdev *dev, int which, struct thread *td) -{ - int unit = UNIT(dev); - sc_p scp = sca[unit]; - - CHECKUNIT_DIAG(ENXIO); - - (void)scp; /* Delete this line after using scp. */ - /* - * Do processing - */ - return (0); /* this is the wrong value I'm sure */ -} - -/* - * Now for some driver initialisation. - * Occurs ONCE during boot (very early). - */ -static void -${1}_drvinit(void *unused) -{ - int unit; - sc_p scp; - - for (unit = 0; unit < N${UPPER}; unit++) { - /* - * Allocate storage for this instance . - */ - scp = malloc(sizeof(*scp), M_DEVBUF, M_NOWAIT | M_ZERO); - if( scp == NULL) { - printf("${1}%d failed to allocate strorage\n", unit); - return; - } - sca[unit] = scp; - scp->dev = make_dev(&${1}_cdevsw, unit, - UID_ROOT, GID_KMEM, 0640, "${1}%d", unit); - } -} - -SYSINIT(${1}dev, SI_SUB_DRIVERS, SI_ORDER_MIDDLE+CDEV_MAJOR, - ${1}_drvinit, NULL); -DONE - -cat >${TOP}/sys/${1}io.h < -#endif -#include - -/* - * define an ioctl here - */ -#define DHIOCRESET _IO('D', 0) /* reset the ${1} device */ -#endif -DONE - -if [ ! -d ${TOP}/modules/${1} ]; then - mkdir -p ${TOP}/modules/${1} -fi - -cat >${TOP}/modules/${1}/Makefile < -DONE - -echo -n "Do you want to build the '${1}' module? [Y]" -read VAL -if [ "-z" "$VAL" ]; then - VAL=YES -fi -case ${VAL} in -[yY]*) - (cd ${TOP}/modules/${1}; make depend; make ) - ;; -*) -# exit - ;; -esac - -echo "" -echo -n "Do you want to build the '${UPPER}' kernel? [Y]" -read VAL -if [ "-z" "$VAL" ]; then - VAL=YES -fi -case ${VAL} in -[yY]*) - ( - cd ${TOP}/i386/conf; \ - config ${UPPER}; \ - cd ${TOP}/i386/compile/${UPPER}; \ - make depend; \ - make; \ - ) - ;; -*) -# exit - ;; -esac - -#--------------end of script--------------- -# -#edit to your taste.. -# -# diff --git a/tools/build/mk/OptionalObsoleteFiles.inc b/tools/build/mk/OptionalObsoleteFiles.inc index 256fbc4e56f1..b79dde1dd41f 100644 --- a/tools/build/mk/OptionalObsoleteFiles.inc +++ b/tools/build/mk/OptionalObsoleteFiles.inc @@ -1846,9 +1846,6 @@ OLD_FILES+=usr/share/examples/diskless/README.BOOTP OLD_FILES+=usr/share/examples/diskless/README.TEMPLATING OLD_FILES+=usr/share/examples/diskless/clone_root OLD_FILES+=usr/share/examples/dma/mailer.conf -OLD_FILES+=usr/share/examples/drivers/README -OLD_FILES+=usr/share/examples/drivers/make_device_driver.sh -OLD_FILES+=usr/share/examples/drivers/make_pseudo_driver.sh OLD_FILES+=usr/share/examples/dwatch/profile_template OLD_FILES+=usr/share/examples/etc/README.examples OLD_FILES+=usr/share/examples/etc/bsd-style-copyright @@ -2067,7 +2064,6 @@ OLD_DIRS+=usr/share/examples/bsdconfig OLD_DIRS+=usr/share/examples/csh OLD_DIRS+=usr/share/examples/diskless OLD_DIRS+=usr/share/examples/dma -OLD_DIRS+=usr/share/examples/drivers OLD_DIRS+=usr/share/examples/dwatch OLD_DIRS+=usr/share/examples/etc OLD_DIRS+=usr/share/examples/etc/defaults