debug: Add support_unavailable_control property.

Author: timsifive

debug/targets.py

@@ -129,6 +129,9 @@ class Target:
     # in https://github.com/FreeRTOS/FreeRTOS.
     freertos_binary = None
 
+    # Supports controlling hart availability through DMCUSTOM.
+    support_unavailable_control = False
+
     # Internal variables:
     directory = None
     temporary_files = []

debug/targets/RISC-V/spike32-2-hwthread.py

@@ -10,6 +10,7 @@ class spike32_2(targets.Target):
     timeout_sec = 5
     implements_custom_test = True
     support_memory_sampling = False # not supported without sba
+    support_unavailable_control = True
 
     def create(self):
         return testlib.Spike(self, isa="RV32IMAFDV", support_hasel=True,

debug/targets/RISC-V/spike32-2.py

@@ -9,6 +9,7 @@ class spike32_2(targets.Target):
     openocd_config_path = "spike-2.cfg"
     timeout_sec = 30
     implements_custom_test = True
+    support_unavailable_control = True
 
     def create(self):
         return testlib.Spike(self, isa="RV32IMAFC", progbufsize=0, dmi_rti=4,

debug/targets/RISC-V/spike32.py

@@ -17,6 +17,7 @@ class spike32(targets.Target):
     implements_custom_test = True
     support_memory_sampling = False # Needs SBA
     freertos_binary = "bin/RTOSDemo32.axf"
+    support_unavailable_control = True
 
     def create(self):
         # 64-bit FPRs on 32-bit target

debug/targets/RISC-V/spike64-2-hwthread.py

@@ -13,6 +13,7 @@ class spike64_2(targets.Target):
     implements_custom_test = True
     support_hasel = False
     support_memory_sampling = False # Needs SBA
+    support_unavailable_control = True
 
     def create(self):
         return testlib.Spike(self, isa="RV64IMAFDV", abstract_rti=30,

debug/targets/RISC-V/spike64-2-rtos.py

@@ -13,6 +13,7 @@ class spike64_2_rtos(targets.Target):
     test_semihosting = False
     support_manual_hwbp = False # not supported with `-rtos riscv`
     support_memory_sampling = False # not supported with `-rtos riscv`
+    support_unavailable_control = True
 
     def create(self):
         return testlib.Spike(self, abstract_rti=30, support_hasel=False,

debug/targets/RISC-V/spike64-2.py

@@ -10,6 +10,7 @@ class spike64_2(targets.Target):
     timeout_sec = 5
     implements_custom_test = True
     support_memory_sampling = False # Needs SBA
+    support_unavailable_control = True
 
     def create(self):
         return testlib.Spike(self)

debug/targets/RISC-V/spike64.py

@@ -17,6 +17,7 @@ class spike64(targets.Target):
     timeout_sec = 30
     implements_custom_test = True
     freertos_binary = "bin/RTOSDemo64.axf"
+    support_unavailable_control = True
 
     def create(self):
         # 32-bit FPRs only