tb: implement block test: smp_sim reset

1 files changed, 22 insertions, 0 deletions

diff --git a/tb/models/smp.py b/tb/models/smp.py
new file mode 100644
index 0000000..a6439f8
--- /dev/null
+++ b/tb/models/smp.py
@@ -0,0 +1,22 @@
+__all__ = ['SmpModel']
+
+class SmpModel:
+    def __init__(self):
+        self._pe0 = SmpPe(0)
+        self._pe1 = SmpPe(1)
+        self._pe2 = SmpPe(1)
+        self._pe3 = SmpPe(1)
+
+    def read(self):
+        return self._pe0.read() \
+                | self._pe1.read() << 8 \
+                | self._pe2.read() << 16 \
+                | self._pe3.read() << 24
+
+class SmpPe:
+    def __init__(self, halt_on_reset):
+        self._bkpt = 0
+        self._halted = halt_on_reset
+
+    def read(self):
+        return self._bkpt << 1 | self._halted