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# SPDX-License-Identifier: MIT
from m1n1 import asm
from m1n1.trace import Tracer
from m1n1.utils import *
from m1n1.proxy import *
from m1n1.sysreg import *
from m1n1.proxyutils import RegMonitor
from m1n1.trace.dart import DARTTracer
from m1n1.trace.asc import ASCTracer, EP, msg, msg_log, DIR
from m1n1.fw.pmp import *
#trace_device("/arm-io/pmgr", False)
#trace_device("/arm-io/jpeg0")
#trace_device("/arm-io/jpeg1")
#for reg in (0, 1, 2, 3, 4, 23):
#addr, size = hv.adt["/arm-io/pmgr"].get_reg(reg)
#hv.trace_range(irange(addr, 0x20000))
#hv.trace_range(irange(0x210e00000, 0x80000), read=False)
#hv.trace_range(irange(0x211e00000, 0x80000), read=False)
#hv.trace_range(irange(0x23b040000, 0x1000))
#hv.trace_range(irange(0x23b044000, 0x14000))
Tracer = Tracer._reloadcls()
ASCTracer = ASCTracer._reloadcls()
iomon = RegMonitor(hv.u, ascii=True)
def readmem_iova(addr, size):
try:
return dart_tracer.dart.ioread(0, addr, size)
except Exception as e:
print(e)
return None
iomon.readmem = readmem_iova
class PMPEpTracer(EP):
BASE_MESSAGE = PMPMessage
def __init__(self, tracer, epid):
super().__init__(tracer, epid)
self.state.shmem_iova = None
self.state.verbose = 1
def start(self):
self.add_mon()
def add_mon(self):
if self.state.shmem_iova:
iomon.add(self.state.shmem_iova, 0x10000,
name=f"{self.name}.shmem@{self.state.shmem_iova:08x}", offset=0)
@msg(1, DIR.TX, PMP_Configure)
def Configure(self, msg):
self.state.shmem_iova = msg.DVA
self.add_mon()
class PMPTracer(ASCTracer):
ENDPOINTS = {
0x20: PMPEpTracer
}
def handle_msg(self, direction, r0, r1):
super().handle_msg(direction, r0, r1)
iomon.poll()
def start(self, dart=None):
super().start()
# noisy doorbell
self.trace(0x23bc34000, 4, TraceMode.OFF)
#dart_tracer = DARTTracer(hv, "/arm-io/dart-pmp", verbose=2)
#dart_tracer.start()
#pmp_tracer = PMPTracer(hv, "/arm-io/pmp", verbose=1)
#pmp_tracer.start(dart_tracer.dart)
class PMGRTracer(Tracer):
IGNORED = set(["SPI1", "I2C2"])
def __init__(self, hv):
super().__init__(hv)
self.dev = hv.adt["/arm-io/pmgr"]
self.ignored_ranges = [
(0x23b738004, 4), # ecpu state report
(0x23b738008, 4), # pcpu state report
(0x23d2b9000, 0x30),
(0x23d2dc100, 4),
]
self.build_table(hv)
self.reg_cache = {}
def hook_w(self, addr, val, width, **kwargs):
self.hv.log(f"PMGR: W {addr:#x} <- {val:#x}")
#print("-> ignored")
super().hook_w(addr, val, width, **kwargs)
def hook_r(self, addr, width, **kwargs):
val = super().hook_r(addr, width, **kwargs)
self.hv.log(f"PMGR: R {addr:#x} = {val:#x}")
return val
def evt_rw(self, evt):
if not evt.flags.WRITE:
self.reg_cache[evt.addr] = evt.data
cb = self.ranges.lookup(evt.addr)
cb[0](evt, *cb[1:])
self.reg_cache[evt.addr] = evt.data
def event_default(self, evt, start, name):
t = "W" if evt.flags.WRITE else "R"
m = "+" if evt.flags.MULTI else " "
data = f"{evt.data:#x}"
if evt.flags.WRITE:
data = f"{evt.data:#x}"
old = self.reg_cache.get(evt.addr, None)
if old is not None:
data = f"{old:#x} -> {evt.data:#x}"
self.hv.log(f"[cpu{evt.flags.CPU}][0x{evt.pc:016x}] PMGR: {t}.{1<<evt.flags.WIDTH:<2}{m} " +
f"0x{evt.addr:x} ({name} + {evt.addr - start:#04x}) = {data}", show_cpu=False)
def build_table(self, hv):
self.ranges = ScalarRangeMap()
self.state_regs = {}
starts = {}
for reg in (0, 1):
addr, size = self.dev.get_reg(reg)
self.ranges[addr:addr + size] = self.event_default, addr, f"reg[{reg}]"
for i, ps in enumerate(self.dev.ps_regs):
addr = self.dev.get_reg(ps.reg)[0] + ps.offset
for idx in range(32):
ps_addr = addr + idx * 8
self.ranges[ps_addr:ps_addr + 8] = self.event_default, ps_addr, f"ps[{i}][{idx}]"
for i, dev in enumerate(self.dev.devices):
ps = self.dev.ps_regs[dev.psreg]
if dev.psidx or dev.psreg:
addr = self.dev.get_reg(ps.reg)[0] + ps.offset + dev.psidx * 8
self.state_regs[addr] = dev.name
if dev.name in self.IGNORED:
self.ignored_ranges.append((addr, 8))
self.ranges[addr:addr + 8] = self.event_default, addr, f"{dev.name}.pstate"
def start(self):
self.hv.clear_tracers(self.ident)
for reg in (0, 1):
addr, size = self.dev.get_reg(reg)
self.trace(addr, size, TraceMode.WSYNC, read=False)
for ps in self.dev.ps_regs:
addr = self.dev.get_reg(ps.reg)[0] + ps.offset
self.trace(addr, 0x100, TraceMode.WSYNC)
for lane in range(8):
addr = 0x200200000 + 0x40000 * lane
self.trace(addr, 0x40000, TraceMode.HOOK)
#for reg in (23,):
#addr, size = self.dev.get_reg(reg)
#self.trace(addr, 0x20000, TraceMode.SYNC)
for addr, size in self.ignored_ranges:
self.trace(addr, size, TraceMode.OFF)
pmgr_tracer = PMGRTracer(hv)
pmgr_tracer.start()
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