stand: Create common gen_setcurrdev and replace code

Replace 4 identical copies of *_setcurrdev with gen_setcurrdev to avoid
having to create a 5th copy. uboot_setcurrdev is actually different and
needs to remain separate (even though it's quite similar).

Sponsored by:		Netflix
Reviewed by:		fuz@fuz.su, kevans
Differential Revision:	https://reviews.freebsd.org/D38003
This commit is contained in:
Warner Losh 2023-01-11 15:14:02 -07:00
parent 39633fc173
commit 1c1783d66b
15 changed files with 29 additions and 81 deletions

View file

@ -415,7 +415,8 @@ int nvstore_set_var_from_string(void *, const char *, const char *,
int nvstore_unset_var(void *, const char *);
/* common code to set currdev variable. */
extern int mount_currdev(struct env_var *, int, const void *);
int gen_setcurrdev(struct env_var *ev, int flags, const void *value);
int mount_currdev(struct env_var *, int, const void *);
#ifndef CTASSERT
#define CTASSERT(x) _Static_assert(x, "compile-time assertion failed")

View file

@ -201,3 +201,19 @@ int mount_currdev(struct env_var *ev, int flags, const void *value)
}
return (rv);
}
/*
* Set currdev to suit the value being supplied in (value)
*/
int
gen_setcurrdev(struct env_var *ev, int flags, const void *value)
{
struct devdesc *ncurr;
int rv;
if ((rv = devparse(&ncurr, value, NULL)) != 0)
return (rv);
free(ncurr);
return (mount_currdev(ev, flags, value));
}

View file

@ -85,8 +85,6 @@ efi_exit_boot_services(UINTN key)
}
int efi_getdev(void **vdev, const char *devspec, const char **path);
int efi_setcurrdev(struct env_var *ev, int flags, const void *value);
int efi_register_handles(struct devsw *, EFI_HANDLE *, EFI_HANDLE *, int);
EFI_HANDLE efi_find_handle(struct devsw *, int);

View file

@ -63,20 +63,3 @@ efi_getdev(void **vdev, const char *devspec, const char **path)
return (devparse(dev, devspec, path));
}
/*
* Set currdev to suit the value being supplied in (value)
*/
int
efi_setcurrdev(struct env_var *ev, int flags, const void *value)
{
struct devdesc *ncurr;
int rv;
rv = devparse(&ncurr, value, NULL);
if (rv != 0)
return (rv);
free(ncurr);
return (mount_currdev(ev, flags, value));
}

View file

@ -189,7 +189,7 @@ static void
set_currdev(const char *devname)
{
env_setenv("currdev", EV_VOLATILE, devname, efi_setcurrdev,
env_setenv("currdev", EV_VOLATILE, devname, gen_setcurrdev,
env_nounset);
/*
* Don't execute hook here; the loaddev hook makes it immutable
@ -970,7 +970,7 @@ main(int argc, CHAR16 *argv[])
cons_probe();
/* Set up currdev variable to have hooks in place. */
env_setenv("currdev", EV_VOLATILE, "", efi_setcurrdev, env_nounset);
env_setenv("currdev", EV_VOLATILE, "", gen_setcurrdev, env_nounset);
/* Init the time source */
efi_time_init();

View file

@ -63,19 +63,3 @@ i386_getdev(void **vdev, const char *devspec, const char **path)
*/
return(devparse(dev, devspec, path));
}
/*
* Set currdev to suit the value being supplied in (value)
*/
int
i386_setcurrdev(struct env_var *ev, int flags, const void *value)
{
struct devdesc *ncurr;
int rv;
if ((rv = devparse(&ncurr, value, NULL)) != 0)
return (rv);
free(ncurr);
return (mount_currdev(ev, flags, value));
}

View file

@ -80,7 +80,6 @@ extern uint16_t relocator_a20_enabled;
int i386_getdev(void **vdev, const char *devspec, const char **path);
char *i386_fmtdev(void *vdev);
int i386_setcurrdev(struct env_var *ev, int flags, const void *value);
extern struct devdesc currdev; /* our current device */

View file

@ -164,7 +164,7 @@ main(void)
/* Set up currdev variable to have hooks in place. */
env_setenv("currdev", EV_VOLATILE | EV_NOHOOK, "",
i386_setcurrdev, env_nounset);
gen_setcurrdev, env_nounset);
/*
* Initialise the block cache. Set the upper limit.
@ -384,7 +384,7 @@ extract_currdev(void)
#endif
env_setenv("currdev", EV_VOLATILE, devformat(&new_currdev.dd),
i386_setcurrdev, env_nounset);
gen_setcurrdev, env_nounset);
env_setenv("loaddev", EV_VOLATILE, devformat(&new_currdev.dd),
env_noset, env_nounset);
}

View file

@ -208,7 +208,7 @@ main(void)
bd_bios2unit(bootinfo.bi_bios_dev));
/* Set up currdev variable to have hooks in place. */
env_setenv("currdev", EV_VOLATILE, "", i386_setcurrdev,
env_setenv("currdev", EV_VOLATILE, "", gen_setcurrdev,
env_nounset);
devinit();
@ -256,7 +256,7 @@ main(void)
free(bdev);
i386_getdev((void **)&bdev, boot_devname, NULL);
env_setenv("currdev", EV_VOLATILE, boot_devname, i386_setcurrdev,
env_setenv("currdev", EV_VOLATILE, boot_devname, gen_setcurrdev,
env_nounset);
/* Process configuration file */

View file

@ -92,20 +92,6 @@ ofw_path_to_handle(const char *ofwpath, const char *want_type, const char **path
return ((phandle_t)-1);
}
int
ofw_setcurrdev(struct env_var *ev, int flags, const void *value)
{
struct devdesc *ncurr;
int rv;
if ((rv = devparse(&ncurr, value, NULL)) != 0)
return (rv);
free(ncurr);
return (mount_currdev(ev, flags, value));
}
int
ofw_common_parsedev(struct devdesc **dev, const char *devspec, const char **path,
const char *ofwtype)

View file

@ -45,7 +45,6 @@ struct ofw_devdesc {
};
extern int ofw_getdev(void **vdev, const char *devspec, const char **path);
extern ev_sethook_t ofw_setcurrdev;
extern struct devsw ofwdisk;
extern struct devsw ofw_netdev;

View file

@ -180,7 +180,7 @@ main(int (*openfirm)(void *))
#endif
/* Set up currdev variable to have hooks in place. */
env_setenv("currdev", EV_VOLATILE, "", ofw_setcurrdev, env_nounset);
env_setenv("currdev", EV_VOLATILE, "", gen_setcurrdev, env_nounset);
devinit();
@ -202,11 +202,11 @@ main(int (*openfirm)(void *))
bargc = 0;
parse(&bargc, &bargv, bootargs);
if (bargc == 1)
env_setenv("currdev", EV_VOLATILE, bargv[0], ofw_setcurrdev,
env_setenv("currdev", EV_VOLATILE, bargv[0], gen_setcurrdev,
env_nounset);
else
env_setenv("currdev", EV_VOLATILE, bootpath,
ofw_setcurrdev, env_nounset);
gen_setcurrdev, env_nounset);
env_setenv("loaddev", EV_VOLATILE, bootpath, env_noset,
env_nounset);
setenv("LINES", "24", 1); /* optional */

View file

@ -64,19 +64,3 @@ userboot_getdev(void **vdev, const char *devspec, const char **path)
*/
return (devparse(dev, devspec, path));
}
/*
* Set currdev to suit the value being supplied in (value)
*/
int
userboot_setcurrdev(struct env_var *ev, int flags, const void *value)
{
struct devdesc *ncurr;
int rv;
if ((rv = devparse(&ncurr, value, NULL)) != 0)
return (rv);
free(ncurr);
return (mount_currdev(ev, flags, value));
}

View file

@ -57,7 +57,6 @@ extern ssize_t userboot_copyin(const void *, vm_offset_t, size_t);
extern ssize_t userboot_copyout(vm_offset_t, void *, size_t);
extern ssize_t userboot_readin(readin_handle_t, vm_offset_t, size_t);
extern int userboot_getdev(void **, const char *, const char **);
int userboot_setcurrdev(struct env_var *ev, int flags, const void *value);
int bi_getboothowto(char *kargs);
void bi_setboothowto(int howto);

View file

@ -172,8 +172,7 @@ loader_main(struct loader_callbacks *cb, void *arg, int version, int ndisks)
cons_probe();
/* Set up currdev variable to have hooks in place. */
env_setenv("currdev", EV_VOLATILE, "",
userboot_setcurrdev, env_nounset);
env_setenv("currdev", EV_VOLATILE, "", gen_setcurrdev, env_nounset);
printf("\n%s", bootprog_info);
#if 0
@ -230,7 +229,7 @@ set_currdev(const char *devname)
{
env_setenv("currdev", EV_VOLATILE, devname,
userboot_setcurrdev, env_nounset);
gen_setcurrdev, env_nounset);
env_setenv("loaddev", EV_VOLATILE, devname,
env_noset, env_nounset);
}