fix: recorrect data structre for fstat for aarch64

Author: ken4647

api/ruxos_posix_api/src/imp/fs.rs

@@ -257,6 +257,12 @@ pub unsafe fn sys_newfstatat(
         }
         let node = fops::lookup(&path)?;
         let st = RuxStat::from(node.get_attr()?);
+
+        // TODO: remove this initialization when fields are fully implemented
+        unsafe {
+            core::ptr::write_bytes(kst, 0, 1);
+        }
+
         unsafe {
             (*kst).st_dev = st.st_dev;
             (*kst).st_ino = st.st_ino;

modules/ruxfdtable/src/lib.rs

@@ -200,7 +200,7 @@ pub struct RuxStat {
     /// Total size, in bytes.
     pub st_size: i64,
     /// Block size for filesystem I/O.
-    pub st_blksize: core::ffi::c_long,
+    pub st_blksize: core::ffi::c_int,
     /// Padding to maintain alignment.
     pub __pad2: core::ffi::c_int,
     /// Number of 512B blocks allocated.
@@ -216,7 +216,43 @@ pub struct RuxStat {
 }
 
 ///Rust version for struct stat in ctypes. Represents file status information.
-#[cfg(any(target_arch = "x86_64", target_arch = "riscv64"))]
+#[cfg(target_arch = "riscv64")]
+#[derive(Default)]
+pub struct RuxStat {
+    /// Device identifier.
+    pub st_dev: u64,
+    /// Inode number.
+    pub st_ino: u64,
+    /// Number of hard links.
+    pub st_nlink: u64,
+    /// File mode and permissions.
+    pub st_mode: core::ffi::c_uint,
+    /// User ID of owner.
+    pub st_uid: core::ffi::c_uint,
+    /// Group ID of owner.
+    pub st_gid: core::ffi::c_uint,
+    /// Padding to maintain alignment.
+    pub __pad0: core::ffi::c_uint,
+    /// Device ID (if special file).
+    pub st_rdev: u64,
+    /// Total size, in bytes.
+    pub st_size: i64,
+    /// Block size for filesystem I/O.
+    pub st_blksize: core::ffi::c_int,
+    /// Number of 512B blocks allocated.
+    pub st_blocks: i64,
+    /// Time of last access.
+    pub st_atime: RuxTimeSpec,
+    /// Time of last modification.
+    pub st_mtime: RuxTimeSpec,
+    /// Time of last status change.
+    pub st_ctime: RuxTimeSpec,
+    /// Unused space, reserved for future use.
+    pub __unused: [core::ffi::c_long; 3usize],
+}
+
+///Rust version for struct stat in ctypes. Represents file status information.
+#[cfg(target_arch = "x86_64")]
 #[derive(Default)]
 pub struct RuxStat {
     /// Device identifier.

ulib/include/sys/types.h

@@ -27,10 +27,16 @@ typedef uint32_t nlink_t;
 typedef uint64_t nlink_t;
 #endif
 
+// reference: /ulib/ruxmusl/musl-1.2.3/arch/aarch64/bits/alltypes.h.in
+#if defined(__aarch64__) || defined(__riscv__) || defined(__riscv)
+typedef int blksize_t;
+#else
+typedef long blksize_t;
+#endif
+
 typedef int64_t off_t;
 typedef uint64_t ino_t;
 typedef uint64_t dev_t;
-typedef long blksize_t;
 typedef int64_t blkcnt_t;
 
 typedef unsigned id_t;