Update sim to build

sim/build.rs

@@ -2,14 +2,39 @@
 
 extern crate gcc;
 
+use std::fs;
+use std::io;
+use std::path::Path;
+
 fn main() {
     let mut conf = gcc::Config::new();
 
     conf.file("../boot/bootutil/src/loader.c");
     conf.file("../boot/bootutil/src/bootutil_misc.c");
     conf.file("csupport/run.c");
     conf.include("../boot/bootutil/include");
-    conf.include("../zephyr/include");
+    conf.include("../boot/zephyr/include");
     conf.debug(true);
     conf.compile("libbootutil.a");
+    walk_dir("../boot").unwrap();
+    walk_dir("csupport").unwrap();
+}
+
+// Output the names of all files within a directory so that Cargo knows when to rebuild.
+fn walk_dir<P: AsRef<Path>>(path: P) -> io::Result<()> {
+    for ent in fs::read_dir(path.as_ref())? {
+        let ent = ent?;
+        let p = ent.path();
+        if p.is_dir() {
+            walk_dir(p)?;
+        } else {
+            // Note that non-utf8 names will fail.
+            let name = p.to_str().unwrap();
+            if name.ends_with(".c") || name.ends_with(".h") {
+                println!("cargo:rerun-if-changed={}", name);
+            }
+        }
+    }
+
+    Ok(())
 }

sim/src/main.rs

@@ -143,9 +143,11 @@ fn main() {
            bad, total_count,
            bad as f32 * 100.0 / total_count as f32);
 
-    info!("Try revert");
-    let fl2 = try_revert(&flash, &areadesc);
-    assert!(verify_image(&fl2, 0x020000, &primary));
+    for count in 2 .. 5 {
+        info!("Try revert: {}", count);
+        let fl2 = try_revert(&flash, &areadesc, count);
+        assert!(verify_image(&fl2, 0x020000, &primary));
+    }
 
     info!("Try norevert");
     let fl2 = try_norevert(&flash, &areadesc);
@@ -194,12 +196,13 @@ fn try_upgrade(flash: &Flash, areadesc: &AreaDesc, stop: Option<i32>) -> (Flash,
     (fl, cnt2)
 }
 
-fn try_revert(flash: &Flash, areadesc: &AreaDesc) -> Flash {
+fn try_revert(flash: &Flash, areadesc: &AreaDesc, count: usize) -> Flash {
     let mut fl = flash.clone();
     c::set_flash_counter(0);
 
-    assert_eq!(c::boot_go(&mut fl, &areadesc), 0);
-    assert_eq!(c::boot_go(&mut fl, &areadesc), 0);
+    for _ in 0 .. count {
+        assert_eq!(c::boot_go(&mut fl, &areadesc), 0);
+    }
     fl
 }