Let API user handle syscalls

1 files changed, 23 insertions, 0 deletions

diff --git a/src/syscall.rs b/src/syscall.rs
new file mode 100644
index 0000000..41a0fcd
--- /dev/null
+++ b/src/syscall.rs
@@ -0,0 +1,23 @@
+// Copyright 2016 David Li
+// This file is part of rustv.
+
+// rustv is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+
+// rustv is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+
+// You should have received a copy of the GNU General Public License
+// along with rustv.  If not, see <http://www.gnu.org/licenses/>.
+
+use register_file::RegisterFile;
+use trap;
+
+pub trait SyscallHandler {
+    // Can't take cache because syscall can't stall
+    fn syscall(&mut self, registers: &mut RegisterFile) -> Option<trap::Trap>;
+}