Fix syscall clobber for x86_64, improve iperf performance

rust/Cargo.lock

@@ -13,6 +13,11 @@ dependencies = [
  "spin 0.5.0 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
+[[package]]
+name = "byteorder"
+version = "1.3.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+
 [[package]]
 name = "cfg-if"
 version = "0.1.7"
@@ -21,7 +26,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 [[package]]
 name = "isomorphic_drivers"
 version = "0.1.0"
-source = "git+https://github.com/rcore-os/isomorphic_drivers#6716a5df04455ff58d90e296ec4fcd7f40f878e9"
+source = "git+https://github.com/rcore-os/isomorphic_drivers#a564ac855887a823dac80529ec4138194583905d"
 dependencies = [
  "bitflags 1.0.4 (registry+https://github.com/rust-lang/crates.io-index)",
  "log 0.4.6 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -29,6 +34,14 @@ dependencies = [
  "volatile 0.2.6 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
+[[package]]
+name = "log"
+version = "0.3.9"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "log 0.4.6 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
 [[package]]
 name = "log"
 version = "0.4.6"
@@ -37,12 +50,29 @@ dependencies = [
  "cfg-if 0.1.7 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
+[[package]]
+name = "managed"
+version = "0.7.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+
 [[package]]
 name = "rcore-user"
 version = "0.1.0"
 dependencies = [
  "buddy_system_allocator 0.1.2 (registry+https://github.com/rust-lang/crates.io-index)",
  "isomorphic_drivers 0.1.0 (git+https://github.com/rcore-os/isomorphic_drivers)",
+ "smoltcp 0.5.0 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
+[[package]]
+name = "smoltcp"
+version = "0.5.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "bitflags 1.0.4 (registry+https://github.com/rust-lang/crates.io-index)",
+ "byteorder 1.3.1 (registry+https://github.com/rust-lang/crates.io-index)",
+ "log 0.3.9 (registry+https://github.com/rust-lang/crates.io-index)",
+ "managed 0.7.1 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -58,8 +88,12 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 [metadata]
 "checksum bitflags 1.0.4 (registry+https://github.com/rust-lang/crates.io-index)" = "228047a76f468627ca71776ecdebd732a3423081fcf5125585bcd7c49886ce12"
 "checksum buddy_system_allocator 0.1.2 (registry+https://github.com/rust-lang/crates.io-index)" = "2ed828f1e227d6e32b998d6375b67fd63ac5389d50b23f258ce151d22b6cc595"
+"checksum byteorder 1.3.1 (registry+https://github.com/rust-lang/crates.io-index)" = "a019b10a2a7cdeb292db131fc8113e57ea2a908f6e7894b0c3c671893b65dbeb"
 "checksum cfg-if 0.1.7 (registry+https://github.com/rust-lang/crates.io-index)" = "11d43355396e872eefb45ce6342e4374ed7bc2b3a502d1b28e36d6e23c05d1f4"
 "checksum isomorphic_drivers 0.1.0 (git+https://github.com/rcore-os/isomorphic_drivers)" = "<none>"
+"checksum log 0.3.9 (registry+https://github.com/rust-lang/crates.io-index)" = "e19e8d5c34a3e0e2223db8e060f9e8264aeeb5c5fc64a4ee9965c062211c024b"
 "checksum log 0.4.6 (registry+https://github.com/rust-lang/crates.io-index)" = "c84ec4b527950aa83a329754b01dbe3f58361d1c5efacd1f6d68c494d08a17c6"
+"checksum managed 0.7.1 (registry+https://github.com/rust-lang/crates.io-index)" = "fdcec5e97041c7f0f1c5b7d93f12e57293c831c646f4cc7a5db59460c7ea8de6"
+"checksum smoltcp 0.5.0 (registry+https://github.com/rust-lang/crates.io-index)" = "fef582369edb298c6c41319a544ca9c4e83622f226055ccfcb35974fbb55ed34"
 "checksum spin 0.5.0 (registry+https://github.com/rust-lang/crates.io-index)" = "44363f6f51401c34e7be73db0db371c04705d35efbe9f7d6082e03a921a32c55"
 "checksum volatile 0.2.6 (registry+https://github.com/rust-lang/crates.io-index)" = "6af0edf5b4faacc31fc51159244d78d65ec580f021afcef7bd53c04aeabc7f29"

rust/src/bin/iperf.rs

@@ -189,7 +189,7 @@ pub fn main() {
     let data = [0u8; 204800];
     loop {
         tick += 1;
-        iface.poll(&mut sockets, Instant::from_millis(tick / 1000));
+        iface.poll(&mut sockets, Instant::from_millis(tick * 1000_000));
         {
             let mut socket = sockets.get::<TcpSocket>(tcp_handle);
             if let State::BEGIN = state {

rust/src/syscall.rs

@@ -20,7 +20,7 @@ fn sys_call(syscall_id: SyscallId, arg0: usize, arg1: usize, arg2: usize, arg3:
             asm!("syscall"
             : "={rax}" (ret)
             : "{rax}" (id), "{rdi}" (arg0), "{rsi}" (arg1), "{rdx}" (arg2), "{r10}" (arg3), "{r8}" (arg4), "{r9}" (arg5)
-            : "memory"
+            : "rcx" "r11" "memory"
             : "intel" "volatile");
         #[cfg(target_arch = "aarch64")]
             asm!("svc 0"