spin::Mutex->UPSafeCell

2021-07-20 22:10:22 +08:00 · 2021-07-20 22:10:22 +08:00 · 3c9b6d7d14
commit 3c9b6d7d14
parent c82861f205
26 changed files with 239 additions and 188 deletions
--- a/user/src/syscall.rs
+++ b/user/src/syscall.rs
@ -13,11 +13,12 @@ const SYSCALL_WAITPID: usize = 260;
 fn syscall(id: usize, args: [usize; 3]) -> isize {
    let mut ret: isize;
    unsafe {
-        llvm_asm!("ecall"
-            : "={x10}" (ret)
-            : "{x10}" (args[0]), "{x11}" (args[1]), "{x12}" (args[2]), "{x17}" (id)
-            : "memory"
-            : "volatile"
+        asm!(
+            "ecall",
+            inlateout("x10") args[0] => ret,
+            in("x11") args[1],
+            in("x12") args[2],
+            in("x17") id
        );
    }
    ret