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stand/userboot/userboot/main.c
| Show First 20 Lines • Show All 208 Lines • ▼ Show 20 Lines | #endif | ||||
| if (setjmp(jb)) | if (setjmp(jb)) | ||||
| return; | return; | ||||
| interact(); /* doesn't return */ | interact(); /* doesn't return */ | ||||
| exit(0); | exit(0); | ||||
| } | } | ||||
| static void | |||||
| set_currdev(const char *devname) | |||||
| { | |||||
| env_setenv("currdev", EV_VOLATILE, devname, | |||||
| userboot_setcurrdev, env_nounset); | |||||
| env_setenv("loaddev", EV_VOLATILE, devname, | |||||
| env_noset, env_nounset); | |||||
| } | |||||
| /* | /* | ||||
| * Set the 'current device' by (if possible) recovering the boot device as | * Set the 'current device' by (if possible) recovering the boot device as | ||||
| * supplied by the initial bootstrap. | * supplied by the initial bootstrap. | ||||
| */ | */ | ||||
| static void | static void | ||||
| extract_currdev(void) | extract_currdev(void) | ||||
| { | { | ||||
| struct disk_devdesc dev; | struct disk_devdesc dev; | ||||
| struct devdesc *dd; | struct devdesc *dd; | ||||
| #if defined(USERBOOT_ZFS_SUPPORT) | #if defined(USERBOOT_ZFS_SUPPORT) | ||||
| struct zfs_devdesc zdev; | struct zfs_devdesc zdev; | ||||
| char *buf = NULL; | |||||
| if (userboot_zfs_found) { | if (userboot_zfs_found) { | ||||
| /* Leave the pool/root guid's unassigned */ | /* Leave the pool/root guid's unassigned */ | ||||
| bzero(&zdev, sizeof(zdev)); | bzero(&zdev, sizeof(zdev)); | ||||
| zdev.dd.d_dev = &zfs_dev; | zdev.dd.d_dev = &zfs_dev; | ||||
| init_zfs_bootenv(zfs_fmtdev(&zdev)); | init_zfs_bootenv(zfs_fmtdev(&zdev)); | ||||
| Show All 16 Lines | if (userboot_disk_maxunit > 0) { | ||||
| } | } | ||||
| dd = &dev.dd; | dd = &dev.dd; | ||||
| } else { | } else { | ||||
| dev.dd.d_dev = &host_dev; | dev.dd.d_dev = &host_dev; | ||||
| dev.dd.d_unit = 0; | dev.dd.d_unit = 0; | ||||
| dd = &dev.dd; | dd = &dev.dd; | ||||
| } | } | ||||
| env_setenv("currdev", EV_VOLATILE, userboot_fmtdev(dd), | set_currdev(userboot_fmtdev(dd)); | ||||
| userboot_setcurrdev, env_nounset); | |||||
| env_setenv("loaddev", EV_VOLATILE, userboot_fmtdev(dd), | #if defined(USERBOOT_ZFS_SUPPORT) | ||||
| env_noset, env_nounset); | if (userboot_zfs_found) { | ||||
| buf = malloc(VDEV_PAD_SIZE); | |||||
| if (buf != NULL) { | |||||
| if (zfs_get_bootonce(&zdev, "command", buf, | |||||
| VDEV_PAD_SIZE) == 0) { | |||||
| printf("zfs bootonce: %s\n", buf); | |||||
| set_currdev(buf); | |||||
| setenv("zfs-bootonce", buf, 1); | |||||
| } | |||||
| free(buf); | |||||
| } | |||||
| } | |||||
| #endif | |||||
| } | } | ||||
| #if defined(USERBOOT_ZFS_SUPPORT) | #if defined(USERBOOT_ZFS_SUPPORT) | ||||
| static void | static void | ||||
| userboot_zfs_probe(void) | userboot_zfs_probe(void) | ||||
| { | { | ||||
| char devname[32]; | char devname[32]; | ||||
| uint64_t pool_guid; | uint64_t pool_guid; | ||||
| Show All 35 Lines | |||||