tb/gfx_shader_bind: initial commit

1 files changed, 30 insertions, 0 deletions

diff --git a/tb/gfx_shader_bind/testbench/monitors.py b/tb/gfx_shader_bind/testbench/monitors.py
new file mode 100644
index 0000000..6ecea0f
--- /dev/null
+++ b/tb/gfx_shader_bind/testbench/monitors.py
@@ -0,0 +1,30 @@
+import cocotb
+from cocotb.triggers import ReadOnly, RisingEdge
+
+from cocotb_bus.monitors import BusMonitor
+
+from .data import FrontWave
+
+class FrontWaveMonitor(BusMonitor):
+    _signals = ['insn', 'group', 'retry', 'valid']
+
+    def __init__(self, *args, **kwargs):
+        super().__init__(*args, **kwargs)
+
+    async def _monitor_recv(self):
+        pkt_receiving = False
+        received_data = []
+
+        while True:
+            await RisingEdge(self.clock)
+            await ReadOnly()
+
+            if not self.bus.valid.value:
+                continue
+
+            wave = FrontWave(
+                group=self.bus.group.value.integer,
+                insn=(self.bus.insn.value.integer if not self.bus.retry.value else None),
+            )
+
+            self._recv(wave)