From 5f0a26caadbdd23caa48ea9826a5caab6e456225 Mon Sep 17 00:00:00 2001
From: David Li <li.davidm96@gmail.com>
Date: Sat, 16 Jan 2016 10:04:47 -0700
Subject: Have simulator return reason for halting

---
 src/syscall.rs | 4 ++++
 1 file changed, 4 insertions(+)

(limited to 'src/syscall.rs')

diff --git a/src/syscall.rs b/src/syscall.rs
index 6da9e47..01cc8f0 100644
--- a/src/syscall.rs
+++ b/src/syscall.rs
@@ -20,6 +20,10 @@ use trap;
 
 pub trait SyscallHandler {
     // Can't take cache because syscall can't stall
+    /// Implement the syscall requested by core_id.
     fn syscall(&mut self, core_id: usize,
                registers: &mut RegisterFile, mmu: &Mmu) -> Option<trap::Trap>;
+
+    /// Determine, after each cycle, whether the processor should halt.
+    fn should_halt(&self) -> bool;
 }
-- 
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