diff options
Diffstat (limited to 'sys/kern/vfs_init.c')
-rw-r--r-- | sys/kern/vfs_init.c | 78 |
1 files changed, 78 insertions, 0 deletions
diff --git a/sys/kern/vfs_init.c b/sys/kern/vfs_init.c new file mode 100644 index 0000000..bcda0dd --- /dev/null +++ b/sys/kern/vfs_init.c @@ -0,0 +1,78 @@ +/* + * Copyright (c) 2023-2024 Ian Marco Moffett and the Osmora Team. + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions are met: + * + * 1. Redistributions of source code must retain the above copyright notice, + * this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. Neither the name of Hyra nor the names of its + * contributors may be used to endorse or promote products derived from + * this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" + * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE + * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR + * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF + * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS + * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN + * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) + * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE + * POSSIBILITY OF SUCH DAMAGE. + */ + +#include <sys/vfs.h> +#include <sys/cdefs.h> +#include <sys/mount.h> +#include <sys/types.h> +#include <fs/initramfs.h> +#include <assert.h> +#include <string.h> + +__MODULE_NAME("vfs"); +__KERNEL_META("$Hyra$: vfs.c, Ian Marco Moffett, " + "Hyra Virtual File System"); + +struct fs_info filesystems[] = { + { "initramfs", &g_initramfs_ops } +}; + +struct fs_info * +vfs_byname(const char *name) +{ + for (int i = 0; i < __ARRAY_COUNT(filesystems); ++i) { + if (strcmp(filesystems[i].name, name) == 0) { + return &filesystems[i]; + } + } + + return NULL; +} + +void +vfs_init(void) +{ + struct fs_info *info; + struct vfsops *vfsops; + + vfs_init_cache(); + + for (int i = 0; i < __ARRAY_COUNT(filesystems); ++i) { + info = &filesystems[i]; + vfsops = info->vfsops; + + __assert(vfsops->init != NULL); + vfsops->init(info); + + if (strcmp(info->name, "initramfs") == 0) { + /* Initramfs must be mounted */ + vfs_mount(&info->mp_root, "/ramdisk", MNT_RDONLY); + } + } +} |