Update rustsbi-k210 to enable lagacy console_putchar. Adjust alignment of links apps. Run matrix on K210!

user/src/bin/matrix.rs

@@ -0,0 +1,68 @@
+#![no_std]
+#![no_main]
+
+#[macro_use]
+extern crate user_lib;
+
+use user_lib::{fork, wait, yield_, exit, getpid, get_time, wait_once};
+
+static NUM: usize = 13;
+const N: usize = 10;
+static P: i32 = 10007;
+type Arr = [[i32; N]; N];
+
+fn work(times: isize) {
+    let mut a: Arr = Default::default();
+    let mut b: Arr = Default::default();
+    let mut c: Arr = Default::default();
+    for i in 0..N {
+        for j in 0..N {
+            a[i][j] = 1;
+            b[i][j] = 1;
+        }
+    }
+    yield_();
+    println!("pid {} is running ({} times)!.", getpid(), times);
+    for _ in 0..times {
+        for i in 0..N {
+            for j in 0..N {
+                c[i][j] = 0;
+                for k in 0..N {
+                    c[i][j] = (c[i][j] + a[i][k] * b[k][j]) % P;
+                }
+            }
+        }
+        for i in 0..N {
+            for j in 0..N {
+                a[i][j] = c[i][j];
+                b[i][j] = c[i][j];
+            }
+        }
+    }
+    println!("pid {} done!.", getpid());
+    exit(0);
+}
+
+#[no_mangle]
+pub fn main() -> i32 {
+    for _ in 0..NUM {
+        let pid = fork();
+        if pid == 0 {
+            let current_time = get_time();
+            let times = (current_time as i32 as isize) * (current_time as i32 as isize) % 1000;
+            work(times * 40);
+        }
+    }
+
+    println!("fork ok.");
+
+    let mut xstate: i32 = 0;
+    for _ in 0..NUM {
+        if wait(&mut xstate) < 0 {
+            panic!("wait failed.");
+        }
+    }
+    assert!(wait_once(&mut xstate) < 0);
+    println!("matrix passed.");
+    0
+}