first commit for chrg

2025-08-16 22:58:22 +08:00
commit 52a3ed5862
2306 changed files with 1021208 additions and 0 deletions
@@ -0,0 +1,101 @@
+/*
+ * Copyright (c) 2006-2023, RT-Thread Development Team
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ *
+ * Change Logs:
+ * Date           Author       Notes
+ */
+
+#include "proc.h"
+#include "procfs.h"
+
+#include <rthw.h>
+#include <rtdbg.h>
+
+#include <fcntl.h>
+#include <errno.h>
+
+#include <dfs_dentry.h>
+#include <dfs_mnt.h>
+
+
+const char *mnt_flag(int flag)
+{
+    /*if (flag & MNT_READONLY)
+    {
+        return "ro";
+    }*/
+
+    return "rw";
+}
+
+static struct dfs_mnt* mnt_show(struct dfs_mnt *mnt, void *parameter)
+{
+    struct dfs_seq_file *seq = (struct dfs_seq_file *)parameter;
+
+    if (mnt)
+    {
+        if (mnt->dev_id)
+        {
+            dfs_seq_printf(seq, "%s %s %s %s 0 0\n", mnt->dev_id->parent.name, mnt->fullpath,
+                            mnt->fs_ops->name, mnt_flag(mnt->flags));
+        }
+        else
+        {
+            dfs_seq_printf(seq, "%s %s %s %s 0 0\n", mnt->fs_ops->name, mnt->fullpath,
+                            mnt->fs_ops->name, mnt_flag(mnt->flags));
+        }
+    }
+
+    return RT_NULL;
+}
+
+static void *seq_start(struct dfs_seq_file *seq, off_t *index)
+{
+    off_t i = *index; // seq->index
+
+    return NULL + (i == 0);
+}
+
+static void seq_stop(struct dfs_seq_file *seq, void *data)
+{
+}
+
+static void *seq_next(struct dfs_seq_file *seq, void *data, off_t *index)
+{
+    /* data: The return value of the start or next*/
+    off_t i = *index + 1; // seq->index
+
+    *index = i;
+
+    return NULL;
+}
+
+static int seq_show(struct dfs_seq_file *seq, void *data)
+{
+    /* data: The return value of the start or next*/
+    dfs_mnt_foreach(mnt_show, seq);
+
+    return 0;
+}
+
+static const struct dfs_seq_ops seq_ops = {
+    .start  = seq_start,
+    .stop   = seq_stop,
+    .next   = seq_next,
+    .show   = seq_show,
+};
+
+int proc_mounts_init(void)
+{
+    struct proc_dentry *dentry = proc_create_data("mounts", 0, NULL, NULL, NULL);
+    if (dentry)
+    {
+        dentry->seq_ops = &seq_ops;
+    }
+    proc_release(dentry);
+
+    return 0;
+}
+INIT_ENV_EXPORT(proc_mounts_init);