From 1f55991268c9851de8024ec973d54d5709bf454b Mon Sep 17 00:00:00 2001
From: Tim Newsome <tim@sifive.com>
Date: Mon, 4 Jul 2022 09:27:05 -0700
Subject: Add `support_cease` hart feature.

---
 debug/gdbserver.py | 6 +++---
 debug/targets.py   | 3 +++
 2 files changed, 6 insertions(+), 3 deletions(-)

diff --git a/debug/gdbserver.py b/debug/gdbserver.py
index a55ae86..08e8f4f 100755
--- a/debug/gdbserver.py
+++ b/debug/gdbserver.py
@@ -1818,7 +1818,7 @@ class CeaseStepiSingleTest(ProgramTest):
     """Test that we work correctly when the hart we're debugging ceases to
     respond."""
     def early_applicable(self):
-        return len(self.target.harts) == 1
+        return self.hart.support_cease and len(self.target.harts) == 1
 
     def test(self):
         self.gdb.b("main")
@@ -1841,7 +1841,7 @@ class CeaseRunSingleTest(ProgramTest):
     """Test that we work correctly when the hart we're debugging ceases to
     respond."""
     def early_applicable(self):
-        return len(self.target.harts) == 1
+        return self.hart.support_cease and len(self.target.harts) == 1
 
     def test(self):
         self.gdb.b("main")
@@ -1865,7 +1865,7 @@ class CeaseMultiTest(ProgramTest):
     it's powered down)."""
 
     def early_applicable(self):
-        return len(self.target.harts) > 1
+        return self.hart.support_cease and len(self.target.harts) > 1
 
     def setup(self):
         ProgramTest.setup(self)
diff --git a/debug/targets.py b/debug/targets.py
index b2ed01b..ddd39d5 100644
--- a/debug/targets.py
+++ b/debug/targets.py
@@ -50,6 +50,9 @@ class Hart:
     # is fine.
     system = None
 
+    # Supports the cease instruction, which causes a hart to become unavailable.
+    support_cease = False
+
     def __init__(self, misa=None, system=None, link_script_path=None):
         if misa:
             self.misa = misa
-- 
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