diff options
Diffstat (limited to 'sys/boot/sparc64/loader/main.c')
| -rw-r--r-- | sys/boot/sparc64/loader/main.c | 109 |
1 files changed, 100 insertions, 9 deletions
diff --git a/sys/boot/sparc64/loader/main.c b/sys/boot/sparc64/loader/main.c index 8eba04a..dbbf08d 100644 --- a/sys/boot/sparc64/loader/main.c +++ b/sys/boot/sparc64/loader/main.c @@ -51,6 +51,9 @@ __FBSDID("$FreeBSD$"); #include <sys/linker.h> #include <sys/queue.h> #include <sys/types.h> +#ifdef LOADER_ZFS_SUPPORT +#include <sys/vtoc.h> +#endif #include <vm/vm.h> #include <machine/asi.h> @@ -143,6 +146,11 @@ static vm_offset_t heapva; static phandle_t root; +#ifdef LOADER_ZFS_SUPPORT +static int zfs_dev_init(void); +#include "zfs.c" +#endif + /* * Machine dependent structures that the machine independent * loader part uses. @@ -154,6 +162,9 @@ struct devsw *devsw[] = { #ifdef LOADER_NET_SUPPORT &netdev, #endif +#ifdef LOADER_ZFS_SUPPORT + &zfs_dev, +#endif 0 }; struct arch_switch archsw; @@ -166,6 +177,7 @@ struct file_format *file_formats[] = { &sparc64_elf, 0 }; + struct fs_ops *file_system[] = { #ifdef LOADER_UFS_SUPPORT &ufs_fsops, @@ -173,6 +185,9 @@ struct fs_ops *file_system[] = { #ifdef LOADER_CD9660_SUPPORT &cd9660_fsops, #endif +#ifdef LOADER_ZFS_SUPPORT + &zfs_fsops, +#endif #ifdef LOADER_ZIP_SUPPORT &zipfs_fsops, #endif @@ -721,6 +736,82 @@ tlb_init_sun4u(void) panic("%s: can't allocate TLB store", __func__); } +#ifdef LOADER_ZFS_SUPPORT + +static int +zfs_dev_init(void) +{ + struct vtoc8 vtoc; + char devname[512]; + spa_t *spa; + vdev_t *vdev; + uint64_t guid; + int fd, part, unit; + + zfs_init(); + + guid = 0; + /* Get the GUID of the ZFS pool on the boot device. */ + fd = open(getenv("currdev"), O_RDONLY); + if (fd != -1) { + if (vdev_probe(vdev_read, (void *)(uintptr_t) fd, &spa) == 0) + guid = spa->spa_guid; + close(fd); + } + + /* Clean up the environment to let ZFS work. */ + while ((vdev = STAILQ_FIRST(&zfs_vdevs)) != NULL) { + STAILQ_REMOVE_HEAD(&zfs_vdevs, v_alllink); + free(vdev); + } + while ((spa = STAILQ_FIRST(&zfs_pools)) != NULL) { + STAILQ_REMOVE_HEAD(&zfs_pools, spa_link); + free(spa); + } + + for (unit = 0; unit < MAXBDDEV; unit++) { + /* Find freebsd-zfs slices in the VTOC. */ + sprintf(devname, "disk%d:", unit); + fd = open(devname, O_RDONLY); + if (fd == -1) + continue; + lseek(fd, 0, SEEK_SET); + if (read(fd, &vtoc, sizeof(vtoc)) != sizeof(vtoc)) { + close(fd); + continue; + } + close(fd); + + for (part = 0; part < 8; part++) { + if (part == 2 || vtoc.part[part].tag != + VTOC_TAG_FREEBSD_ZFS) + continue; + sprintf(devname, "disk%d:%c", unit, part + 'a'); + fd = open(devname, O_RDONLY); + if (fd == -1) + break; + + if (vdev_probe(vdev_read, (void*)(uintptr_t) fd, 0)) + close(fd); + } + } + + if (guid != 0) { + unit = zfs_guid_to_unit(guid); + if (unit >= 0) { + /* Update the environment for ZFS. */ + sprintf(devname, "zfs%d", unit); + env_setenv("currdev", EV_VOLATILE, devname, + ofw_setcurrdev, env_nounset); + env_setenv("loaddev", EV_VOLATILE, devname, + env_noset, env_nounset); + } + } + return (0); +} + +#endif /* LOADER_ZFS_SUPPORT */ + int main(int (*openfirm)(void *)) { @@ -756,14 +847,6 @@ main(int (*openfirm)(void *)) mmu_ops->tlb_init(); /* - * Initialize devices. - */ - for (dp = devsw; *dp != 0; dp++) { - if ((*dp)->dv_init != 0) - (*dp)->dv_init(); - } - - /* * Set up the current device. */ OF_getprop(chosen, "bootpath", bootpath, sizeof(bootpath)); @@ -780,7 +863,8 @@ main(int (*openfirm)(void *)) * needs to be altered. */ if (bootpath[strlen(bootpath) - 2] == ':' && - bootpath[strlen(bootpath) - 1] == 'f') { + bootpath[strlen(bootpath) - 1] == 'f' && + strstr(bootpath, "cdrom")) { bootpath[strlen(bootpath) - 1] = 'a'; printf("Boot path set to %s\n", bootpath); } @@ -790,6 +874,13 @@ main(int (*openfirm)(void *)) env_setenv("loaddev", EV_VOLATILE, bootpath, env_noset, env_nounset); + /* + * Initialize devices. + */ + for (dp = devsw; *dp != 0; dp++) + if ((*dp)->dv_init != 0) + (*dp)->dv_init(); + printf("\n"); printf("%s, Revision %s\n", bootprog_name, bootprog_rev); printf("(%s, %s)\n", bootprog_maker, bootprog_date); |
