1 files changed, 67 insertions, 0 deletions
diff --git a/tools/proxyclient/m1n1/trace/gpio.py b/tools/proxyclient/m1n1/trace/gpio.py
new file mode 100644
index 0000000..386f886
--- /dev/null
+++ b/tools/proxyclient/m1n1/trace/gpio.py
@@ -0,0 +1,67 @@
+# SPDX-License-Identifier: MIT
+
+from ..hv import TraceMode
+from ..utils import *
+from . import ADTDevTracer
+
+class R_PIN(Register32):
+    DRIVE_STRENGTH1 = 23, 22
+    LOCK            = 21
+    GROUP           = 18, 16
+    SCHMITT         = 15
+    DRIVE_STRENGTH0 = 11, 10
+    INPUT_ENABLE    = 9
+    PULL            = 8, 7
+    PERIPH          = 6, 5
+    MODE            = 3, 1
+    DATA            = 0
+
+class GPIORegs(RegMap):
+    PIN = irange(0x000, 212, 4), R_PIN
+
+    IRQ_GROUP  = (irange(0x800, 7, 0x40), irange(0, (212 + 31) // 32, 4)), Register32
+
+def bits32(val, start):
+    return [start + i for i in range(0, 32) if int(val) & (1 << i)]
+
+class GPIOTracer(ADTDevTracer):
+    DEFAULT_MODE = TraceMode.UNBUF
+
+    REGMAPS = [GPIORegs]
+    NAMES = ["gpio"]
+
+    PIN_NAMES = {}
+
+    def __init__(self, hv, devpath, pin_names={}, verbose=False):
+        super().__init__(hv, devpath, verbose)
+        self.PIN_NAMES = pin_names
+
+    def pn(self, pin):
+        return self.PIN_NAMES.get(pin, f"Pin-{pin}")
+
+    def r_PIN(self, val, index):
+        if index not in self.PIN_NAMES and self.verbose < 2:
+            return
+        self.log(f"{self.pn(index):14} R {val!s} ")
+
+    def w_PIN(self, val, index):
+        if index not in self.PIN_NAMES and self.verbose < 2:
+            return
+        self.log(f"{self.pn(index):14} W {val!s} ")
+
+    def r_IRQ_GROUP(self, val, index):
+        (grp, index) = index
+        if int(val) == 0:
+            return
+        pins = [self.pn(x) for x in bits32(val, index * 32) if self.verbose >= 2 or x in self.PIN_NAMES]
+        if len(pins):
+            self.log(f"IRQ[{grp}] ACT {pins}")
+
+    def w_IRQ_GROUP(self, val, index):
+        (grp, index) = index
+        if int(val) == 0:
+            return
+        pins = [self.pn(x) for x in bits32(val, index * 32) if self.verbose >= 2 or x in self.PIN_NAMES]
+        if len(pins):
+            self.log(f"IRQ[{grp}] ACK {pins}")
+