Differential D25512 Diff 76975 stand/i386/loader/main.c

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stand/i386/loader/main.c

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#include <stand.h>		#include <stand.h>
#include <stddef.h>		#include <stddef.h>
#include <string.h>		#include <string.h>
#include <machine/bootinfo.h>		#include <machine/bootinfo.h>
#include <machine/cpufunc.h>		#include <machine/cpufunc.h>
#include <machine/psl.h>		#include <machine/psl.h>
#include <sys/disk.h>		#include <sys/disk.h>
#include <sys/reboot.h>		#include <sys/reboot.h>
		#include <sys/zfs_bootenv.h>
#include <common/drv.h>		#include <common/drv.h>

#include "bootstrap.h"		#include "bootstrap.h"
#include "common/bootargs.h"		#include "common/bootargs.h"
#include "libi386/libi386.h"		#include "libi386/libi386.h"
#include <smbios.h>		#include <smbios.h>
#include "btxv86.h"		#include "btxv86.h"

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* XXX should be extended for netbooting.		* XXX should be extended for netbooting.
*/		*/
static void		static void
extract_currdev(void)		extract_currdev(void)
{		{
struct i386_devdesc new_currdev;		struct i386_devdesc new_currdev;
#ifdef LOADER_ZFS_SUPPORT		#ifdef LOADER_ZFS_SUPPORT
char buf[20];		char buf[20];
		char *bootonce;
#endif		#endif
int biosdev = -1;		int biosdev = -1;

/* Assume we are booting from a BIOS disk by default */		/* Assume we are booting from a BIOS disk by default */
new_currdev.dd.d_dev = &bioshd;		new_currdev.dd.d_dev = &bioshd;

/* new-style boot loaders such as pxeldr and cdldr */		/* new-style boot loaders such as pxeldr and cdldr */
if (kargs->bootinfo == 0) {		if (kargs->bootinfo == 0) {
Show All 31 Lines	if (zargs != NULL &&
setenv("vfs.zfs.boot.primary_vdev", buf, 1);		setenv("vfs.zfs.boot.primary_vdev", buf, 1);
}		}
} else {		} else {
/* old style zfsboot block */		/* old style zfsboot block */
new_currdev.d_kind.zfs.pool_guid = kargs->zfspool;		new_currdev.d_kind.zfs.pool_guid = kargs->zfspool;
new_currdev.d_kind.zfs.root_guid = 0;		new_currdev.d_kind.zfs.root_guid = 0;
}		}
new_currdev.dd.d_dev = &zfs_dev;		new_currdev.dd.d_dev = &zfs_dev;

		if ((bootonce = malloc(VDEV_PAD_SIZE)) != NULL) {
		if (zfs_get_bootonce(&new_currdev, OS_BOOTONCE_USED,
		bootonce, VDEV_PAD_SIZE) == 0) {
		setenv("zfs-bootonce", bootonce, 1);
		}
		free(bootonce);
		(void) zfs_attach_nvstore(&new_currdev);
		}

#endif		#endif
} else if ((initial_bootdev & B_MAGICMASK) != B_DEVMAGIC) {		} else if ((initial_bootdev & B_MAGICMASK) != B_DEVMAGIC) {
/* The passed-in boot device is bad */		/* The passed-in boot device is bad */
new_currdev.d_kind.biosdisk.slice = -1;		new_currdev.d_kind.biosdisk.slice = -1;
new_currdev.d_kind.biosdisk.partition = 0;		new_currdev.d_kind.biosdisk.partition = 0;
biosdev = -1;		biosdev = -1;
} else {		} else {
new_currdev.d_kind.biosdisk.slice =		new_currdev.d_kind.biosdisk.slice =
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