1 files changed, 40 insertions, 0 deletions
diff --git a/tools/proxyclient/hv/trace_gpio.py b/tools/proxyclient/hv/trace_gpio.py
new file mode 100644
index 0000000..4560bf0
--- /dev/null
+++ b/tools/proxyclient/hv/trace_gpio.py
@@ -0,0 +1,40 @@
+# SPDX-License-Identifier: MIT
+
+from m1n1.trace.gpio import GPIOTracer
+
+#trace_device("/arm-io/gpio", True)
+
+# trace gpio interrups, useful to follow the cascaded interrupts
+aic_phandle = getattr(hv.adt["/arm-io/aic"], "AAPL,phandle")
+try:
+    node = hv.adt["/arm-io/gpio0"]
+    path = "/arm-io/gpio0"
+except:
+    node = hv.adt["/arm-io/gpio"]
+    path = "/arm-io/gpio"
+
+if getattr(node, "interrupt-parent") == aic_phandle:
+    for irq in getattr(node, "interrupts"):
+        hv.trace_irq(node.name, irq, 1, hv.IRQTRACE_IRQ)
+
+PIN_NAMES_j274 = {
+    0xC0: "i2c0:scl",
+    0xBC: "i2c0:sda",
+    0xC9: "i2c1:scl",
+    0xC7: "i2c1:sda",
+    0xA3: "i2c2:scl",
+    0xA2: "i2c2:sda",
+    106:  "hpm:irq",
+    136:  "bluetooth:irq",
+    196:  "wlan:irq",
+    183:  "cs42l83:irq",
+    182:  "tas5770:irq",
+    152:  "pci@0,0",
+    153:  "pci@1,0",
+    33:   "pci@2,0",
+    #0x2D: "spi_nor:CS",
+}
+
+GPIOTracer = GPIOTracer._reloadcls()
+gpio_tracer = GPIOTracer(hv, path, PIN_NAMES_j274, verbose=0)
+gpio_tracer.start()