trunner: armv7a9: change way that plo is loaded to board

JIRA: CI-364

trunner/target/armv7a9.py

@@ -1,3 +1,4 @@
+from abc import abstractmethod
 import subprocess
 import time
 from typing import Callable, Optional
@@ -18,7 +19,7 @@
 )
 from trunner.harness import TerminalHarness
 from trunner.host import Host
-from trunner.tools import JLinkGdbServer, Phoenixd
+from trunner.tools import Phoenixd, OpenocdGdbServer
 from trunner.types import TestResult, TestOptions
 from .base import TargetBase, find_port
 
@@ -41,13 +42,13 @@ def _set_flash_mode(self, flash):
         self.host.set_flash_mode(not flash)
 
 
-class ZynqGdbPloLoader(TerminalHarness, PloInterface):
+class ZynqZedboardGdbPloLoader(TerminalHarness, PloInterface):
     def __init__(self, dut: Dut, script: str, cwd: Optional[str] = None):
         TerminalHarness.__init__(self)
         PloInterface.__init__(self, dut)
         self.script = script
         self.cwd = cwd
-        self.gdbserver = JLinkGdbServer("Zynq 7020")
+        self.gdbserver = OpenocdGdbServer(board="digilent_zedboard")
 
     def __call__(self):
         """Loads plo image to RAM using gdb."""
@@ -86,22 +87,10 @@ def __init__(self, host: Host, port: str, baudrate: int = 115200):
     def from_context(cls, ctx: TestContext):
         return cls(ctx.host, ctx.port, ctx.baudrate)
 
+    @abstractmethod
     def flash_dut(self):
-        plo_loader = ZynqGdbPloLoader(
-            dut=self.dut,
-            script=f"{self._project_dir()}/phoenix-rtos-build/scripts/upload-zynq7000-jlink.gdb",
-            cwd=self.boot_dir(),
-        )
-
-        loader = PloImageLoader(
-            dut=self.dut,
-            rebooter=self.rebooter,
-            image=self.image,
-            plo_loader=plo_loader,
-            phoenixd=Phoenixd(directory=self.boot_dir()),
-        )
-
-        loader()
+        # for now there is no common flashing approach for all future armv7a9 targets
+        pass
 
     def build_test(self, test: TestOptions) -> Callable[[TestResult], TestResult]:
         builder = HarnessBuilder()
@@ -141,3 +130,20 @@ def __init__(self, host: Host, port: Optional[str] = None, baudrate: int = 11520
             port = find_port("04b4:0008")
 
         super().__init__(host, port, baudrate)
+
+    def flash_dut(self):
+        plo_loader = ZynqZedboardGdbPloLoader(
+            dut=self.dut,
+            script=f"{self._project_dir()}/phoenix-rtos-build/scripts/upload-zynq7000-smt2.gdb",
+            cwd=self.boot_dir(),
+        )
+
+        loader = PloImageLoader(
+            dut=self.dut,
+            rebooter=self.rebooter,
+            image=self.image,
+            plo_loader=plo_loader,
+            phoenixd=Phoenixd(directory=self.boot_dir()),
+        )
+
+        loader()

trunner/tools/gdb.py

@@ -2,7 +2,7 @@
 import signal
 from contextlib import contextmanager
 from pathlib import Path
-from typing import Optional, Union
+from typing import Optional, Union, List
 
 import pexpect
 
@@ -94,35 +94,42 @@ class OpenocdError(ProcessError):
 class OpenocdGdbServer:
     """Handler for OpenocdGdbServer process"""
 
-    def __init__(self, interface: str, target: str, extra_args: Optional[list[str]] = None):
+    def __init__(
+        self,
+        interface: Optional[str] = None,
+        target: Optional[str] = None,
+        board: Optional[str] = None,
+        extra_args: Optional[List[str]] = None,
+    ):
         self.proc = None
         self.target = target
         self.interface = interface
+        self.board = board
         self.output = ""
         self.logfile = io.StringIO()
         self.extra_args = extra_args
 
+        if board:
+            if target or interface:
+                raise OpenocdError("Target or Interface arguments provided when board is specified")
+        else:
+            if not target or not interface:
+                raise OpenocdError("Target or Interface arguments missing")
+
     @contextmanager
     @add_output_to_exception(OpenocdError)
     def run(self):
         try:
             # Use pexpect.spawn to run a process as PTY, so it will flush on a new line
-            args = [
-                "-f",
-                f"interface/{self.interface}.cfg",
-                "-f",
-                f"target/{self.target}.cfg",
-            ]
+            if self.board:
+                args = ["-f", f"board/{self.board}.cfg"]
+            else:
+                args = ["-f", f"interface/{self.interface}.cfg", "-f", f"target/{self.target}.cfg"]
 
             if self.extra_args:
                 args.extend(self.extra_args)
 
-            self.proc = pexpect.spawn(
-                "openocd",
-                args,
-                encoding="ascii",
-                logfile=self.logfile,
-            )
+            self.proc = pexpect.spawn("openocd", args, encoding="ascii", logfile=self.logfile)
 
             try:
                 self.proc.expect_exact("Info : Listening on port 3333 for gdb connections")