Make ed driver work again.

isa_compat.c
  Copied from sys/i386/isa/isa_compat.c.  It includes
  sys/pc98/pc98/isa_compat.h instead of sys/i386/isa/isa_compat.h.

isa_compat.h
  Copied from sys/i386/isa/isa_compat.c.  The ed driver is registered
  in this file until pc98's ed driver is converted into new-bus style.

files.pc98
  Use sys/pc98/pc98/isa_compat.c instead of sys/i386/isa/isa_compat.c.

if_ed.c
  - Fixed the location of the include file.
  - Disalbed pnp support.
This commit is contained in:
KATO Takenori 1999-09-27 03:35:41 +00:00
parent 1a847d4dac
commit 7cfba8ab34
5 changed files with 724 additions and 4 deletions

View File

@ -208,7 +208,7 @@ i386/isa/intr_machdep.c standard
i386/isa/ipl_funcs.c standard \
compile-with "${CC} -c ${CFLAGS} ${DEFINED_PROF:S/^$/-fomit-frame-pointer/} $<"
i386/isa/isa.c optional isa
i386/isa/isa_compat.c optional isa
pc98/pc98/isa_compat.c optional isa
pc98/pc98/isa_dma.c optional isa
i386/isa/istallion.c optional stli
i386/isa/joy.c optional joy

View File

@ -208,7 +208,7 @@ i386/isa/intr_machdep.c standard
i386/isa/ipl_funcs.c standard \
compile-with "${CC} -c ${CFLAGS} ${DEFINED_PROF:S/^$/-fomit-frame-pointer/} $<"
i386/isa/isa.c optional isa
i386/isa/isa_compat.c optional isa
pc98/pc98/isa_compat.c optional isa
pc98/pc98/isa_dma.c optional isa
i386/isa/istallion.c optional stli
i386/isa/joy.c optional joy

View File

@ -60,7 +60,10 @@
*/
#include "ed.h"
#if 0
/* XXX */
#include "pnp.h"
#endif
#ifndef EXTRA_ED
# if NPNP > 0
@ -97,10 +100,10 @@
#include <i386/isa/isa_device.h>
#include <i386/isa/icu.h>
#include <i386/isa/if_edreg.h>
#include <dev/ed/if_edreg.h>
#if NPNP > 0
#include <i386/isa/pnp.h>
#include <isa/pnpvar.h>
#endif
#ifdef PC98

327
sys/pc98/pc98/isa_compat.c Normal file
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@ -0,0 +1,327 @@
/*-
* Copyright (c) 1998 Doug Rabson
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* $FreeBSD$
*/
#include <sys/param.h>
#include <sys/systm.h>
#include <sys/kernel.h>
#include <sys/bus.h>
#include <sys/malloc.h>
#include <sys/module.h>
#include <machine/bus.h>
#include <sys/rman.h>
#include <machine/vmparam.h>
#include <vm/vm.h>
#include <vm/pmap.h>
#include <machine/pmap.h>
#include <machine/md_var.h>
#include <machine/resource.h>
#include <isa/isavar.h>
#include <pc98/pc98/isa_compat.h>
#include <i386/isa/isa_device.h>
struct isa_compat_resources {
struct resource *ports;
struct resource *memory;
struct resource *drq;
struct resource *irq;
};
int
isa_compat_nextid(void)
{
static int id = 2; /* id_id of -1, 0 and 1 are "used" */
return id++;
}
static void
isa_compat_alloc_resources(device_t dev, struct isa_compat_resources *res)
{
device_t parent = device_get_parent(dev);
int rid;
u_long start, count;
if (ISA_GET_RESOURCE(parent, dev, SYS_RES_IOPORT, 0,
&start, &count) == 0) {
rid = 0;
res->ports = bus_alloc_resource(dev, SYS_RES_IOPORT,
&rid, 0ul, ~0ul, 1,
RF_ACTIVE);
if (res->ports == NULL)
printf("isa_compat: didn't get ports for %s\n",
device_get_name(dev));
} else
res->ports = 0;
if (ISA_GET_RESOURCE(parent, dev, SYS_RES_MEMORY, 0,
&start, &count) == 0
&& start != 0) {
rid = 0;
res->memory = bus_alloc_resource(dev, SYS_RES_MEMORY,
&rid, 0ul, ~0ul, 1,
RF_ACTIVE);
if (res->memory == NULL)
printf("isa_compat: didn't get memory for %s\n",
device_get_name(dev));
} else
res->memory = 0;
if (ISA_GET_RESOURCE(parent, dev, SYS_RES_DRQ, 0,
&start, &count) == 0) {
rid = 0;
res->drq = bus_alloc_resource(dev, SYS_RES_DRQ,
&rid, 0ul, ~0ul, 1,
RF_ACTIVE);
if (res->drq == NULL)
printf("isa_compat: didn't get drq for %s\n",
device_get_name(dev));
} else
res->drq = 0;
if (ISA_GET_RESOURCE(parent, dev, SYS_RES_IRQ, 0,
&start, &count) == 0) {
rid = 0;
res->irq = bus_alloc_resource(dev, SYS_RES_IRQ,
&rid, 0ul, ~0ul, 1,
RF_SHAREABLE | RF_ACTIVE);
if (res->irq == NULL)
printf("isa_compat: didn't get irq for %s\n",
device_get_name(dev));
} else
res->irq = 0;
}
static void
isa_compat_release_resources(device_t dev, struct isa_compat_resources *res)
{
if (res->ports) {
bus_release_resource(dev, SYS_RES_IOPORT, 0, res->ports);
res->ports = 0;
}
if (res->memory) {
bus_release_resource(dev, SYS_RES_MEMORY, 0, res->memory);
res->memory = 0;
}
if (res->drq) {
bus_release_resource(dev, SYS_RES_DRQ, 0, res->drq);
res->drq = 0;
}
if (res->irq) {
bus_release_resource(dev, SYS_RES_IRQ, 0, res->irq);
res->irq = 0;
}
}
#define irqmask(x) ((x) < 0 ? 0 : (1 << (x)))
static int
isa_compat_probe(device_t dev)
{
device_t parent = device_get_parent(dev);
struct isa_device *dvp = device_get_softc(dev);
struct isa_compat_resources res;
struct old_isa_driver *op;
u_long start, count;
/* No pnp support */
if (isa_get_vendorid(dev))
return (ENXIO);
bzero(&res, sizeof(res));
/*
* Fill in the isa_device fields.
*/
op = device_get_driver(dev)->priv;
dvp->id_id = isa_compat_nextid();
dvp->id_driver = op->driver;
if (ISA_GET_RESOURCE(parent, dev, SYS_RES_IOPORT, 0,
&start, &count) == 0)
dvp->id_iobase = start;
else
dvp->id_iobase = -1;
if (ISA_GET_RESOURCE(parent, dev, SYS_RES_IRQ, 0,
&start, &count) == 0)
dvp->id_irq = irqmask(start);
else
dvp->id_irq = 0;
if (ISA_GET_RESOURCE(parent, dev, SYS_RES_DRQ, 0,
&start, &count) == 0)
dvp->id_drq = start;
else
dvp->id_drq = -1;
if (ISA_GET_RESOURCE(parent, dev, SYS_RES_MEMORY,
0, &start, &count) == 0) {
dvp->id_maddr = (void *)(uintptr_t)start;
dvp->id_msize = count;
} else {
dvp->id_maddr = NULL;
dvp->id_msize = 0;
}
dvp->id_unit = device_get_unit(dev);
dvp->id_flags = device_get_flags(dev);
dvp->id_enabled = device_is_enabled(dev); /* XXX unused */
dvp->id_device = dev;
/*
* Do the wrapped probe.
*/
if (dvp->id_driver->probe) {
int portsize;
void *maddr;
struct isa_device old;
isa_compat_alloc_resources(dev, &res);
if (res.memory)
maddr = rman_get_virtual(res.memory);
else
maddr = 0;
dvp->id_maddr = maddr;
old = *dvp;
portsize = dvp->id_driver->probe(dvp);
isa_compat_release_resources(dev, &res);
if (portsize != 0) {
if (portsize > 0 || dvp->id_iobase != old.id_iobase)
ISA_SET_RESOURCE(parent, dev, SYS_RES_IOPORT,
0, dvp->id_iobase, portsize);
if (dvp->id_irq != old.id_irq)
ISA_SET_RESOURCE(parent, dev, SYS_RES_IRQ, 0,
ffs(dvp->id_irq) - 1, 1);
if (dvp->id_drq != old.id_drq)
ISA_SET_RESOURCE(parent, dev, SYS_RES_DRQ, 0,
dvp->id_drq, 1);
if (dvp->id_maddr != old.id_maddr
|| dvp->id_msize != old.id_msize) {
maddr = dvp->id_maddr;
if (maddr != NULL)
ISA_SET_RESOURCE(parent, dev,
SYS_RES_MEMORY,
0,
kvtop(maddr),
dvp->id_msize);
else
ISA_DELETE_RESOURCE(parent, dev,
SYS_RES_MEMORY,
0);
}
return 0;
}
}
return ENXIO;
}
static int
isa_compat_attach(device_t dev)
{
struct isa_device *dvp = device_get_softc(dev);
struct isa_compat_resources res;
int error;
bzero(&res, sizeof(res));
isa_compat_alloc_resources(dev, &res);
if (dvp->id_driver->attach)
dvp->id_driver->attach(dvp);
if (res.irq && dvp->id_irq && dvp->id_intr) {
struct old_isa_driver *op;
void *ih;
op = device_get_driver(dev)->priv;
error = BUS_SETUP_INTR(device_get_parent(dev), dev,
res.irq, op->type,
dvp->id_intr,
(void *)(uintptr_t)dvp->id_unit,
&ih);
if (error)
printf("isa_compat_attach: failed to setup intr: %d\n",
error);
}
return 0;
}
static device_method_t isa_compat_methods[] = {
/* Device interface */
DEVMETHOD(device_probe, isa_compat_probe),
DEVMETHOD(device_attach, isa_compat_attach),
{ 0, 0 }
};
/*
* Create a new style driver around each old isa driver.
*/
void
isa_wrap_old_drivers(void)
{
int i;
struct old_isa_driver *op;
devclass_t isa_devclass = devclass_find("isa");
for (i = 0, op = &old_drivers[0]; i < old_drivers_count; i++, op++) {
driver_t *driver;
driver = malloc(sizeof(driver_t), M_DEVBUF, M_NOWAIT);
if (!driver)
continue;
bzero(driver, sizeof(driver_t));
driver->name = op->driver->name;
driver->methods = isa_compat_methods;
driver->softc = sizeof(struct isa_device);
driver->priv = op;
if (op->driver->sensitive_hw)
resource_set_int(op->driver->name, -1, "sensitive", 1);
devclass_add_driver(isa_devclass, driver);
}
}
int
haveseen_iobase(struct isa_device *dvp, int size)
{
int rid;
struct resource *res;
device_t dev = dvp->id_device;
int base = dvp->id_iobase;
/*
* Ask for resource 1 so that we don't hurt our hints. In theory
* this should work, but....
*/
rid = 1;
res = bus_alloc_resource(dev, SYS_RES_IOPORT,
&rid, base, base + size, size, RF_ACTIVE);
if (res)
bus_release_resource(dev, SYS_RES_IOPORT, rid, res);
return res ? 0 : 1;
}
void
reconfig_isadev(isdp, mp)
struct isa_device *isdp;
u_int *mp;
{
printf("reconfig_isadev() called - FIXME!\n");
}

390
sys/pc98/pc98/isa_compat.h Normal file
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@ -0,0 +1,390 @@
/*-
* Copyright (c) 1998 Doug Rabson
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* $FreeBSD$
*/
#include "vt.h"
#include "adv.h"
#include "aha.h"
#include "wdc.h"
#include "mse.h"
#include "ar.h"
#include "cs.h"
#include "cx.h"
#include "el.h"
#include "ed.h"
#include "ep.h"
#include "ex.h"
#include "fe.h"
#include "ie.h"
#include "le.h"
#include "lnc.h"
#include "rdp.h"
#include "sr.h"
#include "wl.h"
#include "ze.h"
#include "zp.h"
#include "oltr.h"
#include "pcm.h"
#include "pas.h"
#include "sb.h"
#include "sbxvi.h"
#include "sbmidi.h"
#include "awe.h"
#include "gus.h"
#include "mss.h"
#include "css.h"
#include "sscape.h"
#include "trix.h"
#include "opl.h"
#include "mpu.h"
#include "uart.h"
#include "pca.h"
#include "mcd.h"
#include "scd.h"
#include "matcd.h"
#include "wt.h"
#include "ctx.h"
#include "spigot.h"
#include "gp.h"
#include "gsc.h"
#include "joy.h"
#include "cy.h"
#include "dgb.h"
#include "dgm.h"
#include "labpc.h"
#include "rc.h"
#include "rp.h"
#include "tw.h"
#include "si.h"
#include "asc.h"
#include "stl.h"
#include "stli.h"
#include "loran.h"
#include "pcf.h"
#include "isic.h"
#include "tina.h"
#include "ppc.h"
#include "fla.h"
#ifdef PC98
#include "bs.h"
#endif
struct old_isa_driver {
int type;
struct isa_driver *driver;
};
extern struct isa_driver vtdriver;
extern struct isa_driver advdriver;
extern struct isa_driver ahadriver;
extern struct isa_driver wdcdriver;
extern struct isa_driver msedriver;
extern struct isa_driver ardriver;
extern struct isa_driver csdriver;
extern struct isa_driver cxdriver;
extern struct isa_driver eddriver;
extern struct isa_driver eldriver;
extern struct isa_driver epdriver;
extern struct isa_driver exdriver;
extern struct isa_driver fedriver;
extern struct isa_driver iedriver;
extern struct isa_driver ledriver;
extern struct isa_driver lncdriver;
extern struct isa_driver rdpdriver;
extern struct isa_driver srdriver;
extern struct isa_driver wldriver;
extern struct isa_driver zedriver;
extern struct isa_driver zpdriver;
extern struct isa_driver oltrdriver;
extern struct isa_driver pasdriver;
extern struct isa_driver sbdriver;
extern struct isa_driver sbxvidriver;
extern struct isa_driver sbmididriver;
extern struct isa_driver awedriver;
extern struct isa_driver gusdriver;
extern struct isa_driver mssdriver;
extern struct isa_driver cssdriver;
extern struct isa_driver sscapedriver;
extern struct isa_driver trixdriver;
extern struct isa_driver sscape_mssdriver;
extern struct isa_driver opldriver;
extern struct isa_driver mpudriver;
extern struct isa_driver uartdriver;
extern struct isa_driver pcadriver;
extern struct isa_driver mcddriver;
extern struct isa_driver scddriver;
extern struct isa_driver matcddriver;
extern struct isa_driver wtdriver;
extern struct isa_driver ctxdriver;
extern struct isa_driver spigotdriver;
extern struct isa_driver gpdriver;
extern struct isa_driver gscdriver;
extern struct isa_driver joydriver;
extern struct isa_driver cydriver;
extern struct isa_driver dgbdriver;
extern struct isa_driver dgmdriver;
extern struct isa_driver labpcdriver;
extern struct isa_driver rcdriver;
extern struct isa_driver rpdriver;
extern struct isa_driver twdriver;
extern struct isa_driver sidriver;
extern struct isa_driver ascdriver;
extern struct isa_driver stldriver;
extern struct isa_driver stlidriver;
extern struct isa_driver lorandriver;
extern struct isa_driver pcfdriver;
extern struct isa_driver isicdriver;
extern struct isa_driver tinadriver;
extern struct isa_driver ppcdriver;
#ifdef PC98
extern struct isa_driver bsdriver;
#endif
static struct old_isa_driver old_drivers[] = {
/* Sensitive TTY */
/* Sensitive BIO */
/* Sensitive NET */
#if NFE > 0
{ INTR_TYPE_NET, &fedriver },
#endif
#if NRDP > 0
{ INTR_TYPE_NET, &rdpdriver },
#endif
/* Sensitive CAM */
/* TTY */
#if NVT > 0
{ INTR_TYPE_TTY, &vtdriver },
#endif
#if NMSE > 0
{ INTR_TYPE_TTY, &msedriver },
#endif
#if NPCA > 0
{ INTR_TYPE_TTY, &pcadriver },
#endif
#if NGP > 0
{ INTR_TYPE_TTY, &gpdriver },
#endif
#if NGSC > 0
{ INTR_TYPE_TTY, &gscdriver },
#endif
#if NCY > 0
{ INTR_TYPE_TTY, &cydriver },
#endif
#if NDGB > 0
{ INTR_TYPE_TTY, &dgbdriver },
#endif
#if NDGM > 0
{ INTR_TYPE_TTY, &dgmdriver },
#endif
#if NLABPC > 0
{ INTR_TYPE_TTY, &labpcdriver },
#endif
#if NRCD > 0
{ INTR_TYPE_TTY, &rcdriver },
#endif
#if NRP > 0
{ INTR_TYPE_TTY, &rpdriver },
#endif
#if NTW > 0
{ INTR_TYPE_TTY, &twdriver },
#endif
#if NSI > 0
{ INTR_TYPE_TTY, &sidriver },
#endif
#if NASC > 0
{ INTR_TYPE_TTY, &ascdriver },
#endif
#if NSTL > 0
{ INTR_TYPE_TTY, &stldriver },
#endif
#if NSTLI > 0
{ INTR_TYPE_TTY, &stlidriver },
#endif
#if NLORAN > 0
{ INTR_TYPE_TTY, &lorandriver },
#endif
#if NPPC > 0
{ INTR_TYPE_TTY, &ppcdriver },
#endif
/* BIO */
#if NWDC > 0
{ INTR_TYPE_BIO, &wdcdriver },
#endif
#if NMCD > 0
{ INTR_TYPE_BIO, &mcddriver },
#endif
#if NSCD > 0
{ INTR_TYPE_BIO, &scddriver },
#endif
#if NMATCD > 0
{ INTR_TYPE_BIO, &matcddriver },
#endif
#if NWT > 0
{ INTR_TYPE_BIO, &wtdriver },
#endif
/* NET */
#if NIE > 0
{ INTR_TYPE_NET, &iedriver },
#endif
#if NED > 0
{ INTR_TYPE_NET, &eddriver },
#endif
#if NEP > 0
{ INTR_TYPE_NET, &epdriver },
#endif
#if NEX > 0
{ INTR_TYPE_NET, &exdriver },
#endif
#if NLE > 0
{ INTR_TYPE_NET, &ledriver },
#endif
#if NLNC > 0
{ INTR_TYPE_NET, &lncdriver },
#endif
#if NZE > 0
{ INTR_TYPE_NET, &zedriver },
#endif
#if NZP > 0
{ INTR_TYPE_NET, &zpdriver },
#endif
#if NCS > 0
{ INTR_TYPE_NET, &csdriver },
#endif
#if NAR > 0
{ INTR_TYPE_NET, &ardriver },
#endif
#if NCX > 0
{ INTR_TYPE_NET, &cxdriver },
#endif
#if NEL > 0
{ INTR_TYPE_NET, &eldriver },
#endif
#if NSR > 0
{ INTR_TYPE_NET, &srdriver },
#endif
#if NWL > 0
{ INTR_TYPE_NET, &wldriver },
#endif
#if NPCF > 0
{ INTR_TYPE_NET, &pcfdriver },
#endif
#if NISIC > 0
{ INTR_TYPE_NET, &isicdriver },
#endif
#if NTINA > 0
{ INTR_TYPE_NET, &tinadriver },
#endif
/* CAM */
#ifndef PC98
#if NADV > 0
{ INTR_TYPE_CAM, &advdriver },
#endif
#endif
#if NAHA > 0
{ INTR_TYPE_CAM, &ahadriver },
#endif
#ifdef PC98
#if NBS > 0
{ INTR_TYPE_CAM, &bsdriver },
#endif
#endif
/* MISC */
#if NOLTR > 0
{ INTR_TYPE_MISC, &oltrdriver },
#endif
#if NPAS > 0
{ INTR_TYPE_MISC, &pasdriver },
#endif
#if NSB > 0
{ INTR_TYPE_MISC, &sbdriver },
#endif
#if NSBXVI > 0
{ INTR_TYPE_MISC, &sbxvidriver },
#endif
#if NSBMIDI > 0
{ INTR_TYPE_MISC, &sbmididriver },
#endif
#if NAWE > 0
{ INTR_TYPE_MISC, &awedriver },
#endif
#if NGUS > 0
{ INTR_TYPE_MISC, &gusdriver },
#endif
#if NMSS > 0
{ INTR_TYPE_MISC, &mssdriver },
#endif
#if NCSS > 0
{ INTR_TYPE_MISC, &cssdriver },
#endif
#if NSSCAPE > 0
{ INTR_TYPE_MISC, &sscapedriver },
#endif
#if NTRIX > 0
{ INTR_TYPE_MISC, &trixdriver },
#endif
#if NSSCAPE > 0
{ INTR_TYPE_MISC, &sscape_mssdriver },
#endif
#if NOPL > 0
{ INTR_TYPE_MISC, &opldriver },
#endif
#if NMPU > 0
{ INTR_TYPE_MISC, &mpudriver },
#endif
#if NUART > 0
{ INTR_TYPE_MISC, &uartdriver },
#endif
#if NCTX > 0
{ INTR_TYPE_MISC, &ctxdriver },
#endif
#if NSPIGOT > 0
{ INTR_TYPE_MISC, &spigotdriver },
#endif
#if NJOY > 0
{ INTR_TYPE_MISC, &joydriver },
#endif
};
#define old_drivers_count (sizeof(old_drivers) / sizeof(old_drivers[0]))