types: add a type for thread IDs and try to use it everywhere

1 files changed, 9 insertions, 2 deletions

diff --git a/src/cpu/thread_context.hh b/src/cpu/thread_context.hh
index 51ca3cca6..3e37572d8 100644
--- a/src/cpu/thread_context.hh
+++ b/src/cpu/thread_context.hh
@@ -234,9 +234,16 @@ class ThreadContext
 
     virtual void setMiscReg(int misc_reg, const MiscReg &val) = 0;
 
-    virtual uint64_t readRegOtherThread(int misc_reg, unsigned tid) { return 0; }
+    virtual uint64_t
+    readRegOtherThread(int misc_reg, ThreadID tid)
+    {
+        return 0;
+    }
 
-    virtual void setRegOtherThread(int misc_reg, const MiscReg &val, unsigned tid) { };
+    virtual void
+    setRegOtherThread(int misc_reg, const MiscReg &val, ThreadID tid)
+    {
+    }
 
     // Also not necessarily the best location for these two.  Hopefully will go
     // away once we decide upon where st cond failures goes.