void pcnet32_test_run() { xprintf("PCNET32 TEST\n"); xprintf("root fnode %p\n", process_current()->root); xprintf("root filesystem name %s\n", process_current()->root->mounted->filesystem->name); xprintf("file id %d\n", process_current()->root->file_id); pci_init(); // ide_init(); ether_init(); ip_init(); pcnet32_init(); //pcnet32 // mounting devfs devfs_mount(); // registering devfs driver_register_devfs(); // mounting tarfs at standard boot location tarfs_mount(multiboot_get_module(0), "/System/Startup"); shell_run(); xprintf("pcnet32_test end\n"); }
/* * Function: devfs_kernel_mount * Purpose: * Mount devfs at the given mount point from within the kernel. */ int devfs_kernel_mount(char * mntname) { struct mount *mp; int error; struct nameidata nd; struct vnode * vp; vfs_context_t ctx = vfs_context_kernel(); struct vfstable *vfsp; /* Find our vfstable entry */ for (vfsp = vfsconf; vfsp; vfsp = vfsp->vfc_next) if (!strncmp(vfsp->vfc_name, "devfs", sizeof(vfsp->vfc_name))) break; if (!vfsp) { panic("Could not find entry in vfsconf for devfs.\n"); } /* * Get vnode to be covered */ NDINIT(&nd, LOOKUP, FOLLOW | LOCKLEAF, UIO_SYSSPACE, CAST_USER_ADDR_T(mntname), ctx); if ((error = namei(&nd))) { printf("devfs_kernel_mount: failed to find directory '%s', %d", mntname, error); return (error); } nameidone(&nd); vp = nd.ni_vp; if ((error = VNOP_FSYNC(vp, MNT_WAIT, ctx))) { printf("devfs_kernel_mount: vnop_fsync failed: %d\n", error); vnode_put(vp); return (error); } if ((error = buf_invalidateblks(vp, BUF_WRITE_DATA, 0, 0))) { printf("devfs_kernel_mount: buf_invalidateblks failed: %d\n", error); vnode_put(vp); return (error); } if (vnode_isdir(vp) == 0) { printf("devfs_kernel_mount: '%s' is not a directory\n", mntname); vnode_put(vp); return (ENOTDIR); } if ((vnode_mountedhere(vp))) { vnode_put(vp); return (EBUSY); } /* * Allocate and initialize the filesystem. */ MALLOC_ZONE(mp, struct mount *, sizeof(struct mount), M_MOUNT, M_WAITOK); bzero((char *)mp, sizeof(struct mount)); /* Initialize the default IO constraints */ mp->mnt_maxreadcnt = mp->mnt_maxwritecnt = MAXPHYS; mp->mnt_segreadcnt = mp->mnt_segwritecnt = 32; mp->mnt_ioflags = 0; mp->mnt_realrootvp = NULLVP; mp->mnt_authcache_ttl = CACHED_LOOKUP_RIGHT_TTL; mount_lock_init(mp); TAILQ_INIT(&mp->mnt_vnodelist); TAILQ_INIT(&mp->mnt_workerqueue); TAILQ_INIT(&mp->mnt_newvnodes); (void)vfs_busy(mp, LK_NOWAIT); mp->mnt_op = &devfs_vfsops; mp->mnt_vtable = vfsp; mp->mnt_flag = 0; mp->mnt_flag |= vfsp->vfc_flags & MNT_VISFLAGMASK; strlcpy(mp->mnt_vfsstat.f_fstypename, vfsp->vfc_name, MFSTYPENAMELEN); vp->v_mountedhere = mp; mp->mnt_vnodecovered = vp; mp->mnt_vfsstat.f_owner = kauth_cred_getuid(kauth_cred_get()); (void) copystr(mntname, mp->mnt_vfsstat.f_mntonname, MAXPATHLEN - 1, 0); #if CONFIG_MACF mac_mount_label_init(mp); mac_mount_label_associate(ctx, mp); #endif error = devfs_mount(mp, NULL, USER_ADDR_NULL, ctx); if (error) { printf("devfs_kernel_mount: mount %s failed: %d", mntname, error); mp->mnt_vtable->vfc_refcount--; vfs_unbusy(mp); mount_lock_destroy(mp); #if CONFIG_MACF mac_mount_label_destroy(mp); #endif FREE_ZONE(mp, sizeof (struct mount), M_MOUNT); vnode_put(vp); return (error); } vnode_ref(vp); vnode_put(vp); vfs_unbusy(mp); mount_list_add(mp); return (0); }