diff options
Diffstat (limited to 'debug/testlib.py')
| -rw-r--r-- | debug/testlib.py | 26 |
1 files changed, 26 insertions, 0 deletions
diff --git a/debug/testlib.py b/debug/testlib.py index 0279b08..82fe3fb 100644 --- a/debug/testlib.py +++ b/debug/testlib.py @@ -65,6 +65,7 @@ def compile(args): # pylint: disable=redefined-builtin class Spike: # pylint: disable=too-many-instance-attributes # pylint: disable=too-many-locals + # pylint: disable=too-many-positional-arguments def __init__(self, target, halted=False, timeout=None, with_jtag_gdb=True, isa=None, progbufsize=None, dmi_rti=None, abstract_rti=None, support_hasel=True, support_abstract_csr=True, @@ -300,6 +301,8 @@ class VcsSim: class Openocd: # pylint: disable=too-many-instance-attributes # pylint: disable-next=consider-using-with + # pylint: disable=too-many-positional-arguments + # pylint: disable=consider-using-with logfile = tempfile.NamedTemporaryFile(prefix='openocd', suffix='.log') logname = logfile.name @@ -717,6 +720,7 @@ class Gdb: 11, 149, 107, 163, 73, 47, 43, 173, 7, 109, 101, 103, 191, 2, 139, 97, 193, 157, 3, 29, 79, 113, 5, 89, 19, 37, 71, 179, 59, 137, 53) + # pylint: disable=too-many-positional-arguments def __init__(self, target, ports, cmd=None, timeout=60, binaries=None, logremote=False): assert ports @@ -1481,6 +1485,22 @@ class GdbTest(BaseTest): self.gdb.select_hart(self.hart) self.gdb.command(f"monitor targets {self.hart.id}") + def set_pmp_deny(self, address, size=4 * 1024): + # Enable physical memory protection, no permission to access specific + # address range (default 4KB). + self.gdb.p("$mseccfg=0x4") # RLB + self.gdb.p("$pmpcfg0=0x98") # L, NAPOT, !R, !W, !X + self.gdb.p("$pmpaddr0=" + f"0x{((address >> 2) | ((size - 1) >> 3)):x}") + # PMP changes require an sfence.vma, 0x12000073 is sfence.vma + self.gdb.command("monitor riscv exec_progbuf 0x12000073") + + def reset_pmp_deny(self): + self.gdb.p("$pmpcfg0=0") + self.gdb.p("$pmpaddr0=0") + # PMP changes require an sfence.vma, 0x12000073 is sfence.vma + self.gdb.command("monitor riscv exec_progbuf 0x12000073") + def disable_pmp(self): # Disable physical memory protection by allowing U mode access to all # memory. @@ -1494,6 +1514,9 @@ class GdbTest(BaseTest): # pmcfg0 readback matches write, so TOR is supported. self.gdb.p("$pmpaddr0=" f"0x{(self.hart.ram + self.hart.ram_size) >> 2:x}") + if self.target.implements_page_virtual_memory: + # PMP changes require an sfence.vma, 0x12000073 is sfence.vma + self.gdb.command("monitor riscv exec_progbuf 0x12000073") except CouldNotFetch: # PMP registers are optional pass @@ -1504,6 +1527,9 @@ class GdbTest(BaseTest): if interrupt: self.gdb.interrupt() self.gdb.p("$mie=$mie & ~0x80") + self.gdb.p("$mstatus=$mstatus & ~0x8") + self.gdb.p(f"*((long long*) 0x{self.target.clint_addr + 0x4000:x})\ + =0x" + "f" * (self.hart.xlen // 4)) def exit(self, expected_result=10): self.gdb.command("delete") |