m1n1/proxyclient/hv/trace_wlan.py
Hector Martin e378605d70 hv/trace_wlan.py: Backplane tracing & more
Signed-off-by: Hector Martin <marcan@marcan.st>
2023-10-05 14:11:59 +09:00

751 lines
23 KiB
Python

import struct
from construct import *
from m1n1.utils import irange
from m1n1.hw.dart import DART
from m1n1.utils import chexdump
from m1n1.proxyutils import RegMonitor
from m1n1.constructutils import *
from m1n1.hv.types import MMIOTraceFlags
from m1n1.trace.pcie import *
PCIeDevTracer = PCIeDevTracer._reloadcls()
mon = RegMonitor(hv.u)
class WLANCfgSpace(PCICfgSpace):
PM_CSR = 0x4c, Register32
MSI_CAP = 0x58, Register16
MSI_CTRL = 0x5a, Register16
MSI_ADDR_L = 0x5c, Register32
MSI_ADDR_H = 0x60, Register32
MSI_DATA = 0x64, Register32
BAR0_WIN_1000 = 0x70, Register32
BAR0_WIN_4000 = 0x74, Register32
BAR0_WIN_5000 = 0x78, Register32
BAR0_WINDOW = 0x80, Register32
BAR1_WINDOW = 0x84, Register32
SPROM_CONTROL = 0x88, Register32
CFG_SUBSYS_CONTROL = 0x8c, Register32
INTSTATUS = 0x90, Register32
INTMASK = 0x94, Register32
BACKPLANE_ADDR = 0x98, Register32
BACKPLANE_DATA = 0x9c, Register32
CLK_CTL_ST = 0xa8, Register32
CFG_DEVICE_CONTROL = 0xb4, Register32
LINK_STATUS_CTRL = 0xbc, Register32
class WLANSRAMEnd(RegMap):
PAD = 0x00, Register32
SHARED_BASE = 0x04, Register32
class WLANSRAMShared(RegMap):
FLAGS = 0, Register32
CONSOLE_ADDR = 20, Register32
FWID = 28, Register32
MAX_RXBUFPOST = 34, Register16
RX_DATAOFFSET = 36, Register32
HTOD_MB_DATA_ADDR = 40, Register32
DTOH_MB_DATA_ADDR = 44, Register32
RING_INFO_ADDR = 48, Register32
DMA_SCRATCH_LEN = 52, Register32
DMA_SCRATCH_ADDR = 56, Register64
HOST_SCB_ADDR = 64, Register64
HOST_SCB_SIZE = 72, Register32
BUZZ_DBG_PTR = 76, Register32
FLAGS2 = 80, Register32
HOST_CAP = 84, Register32
HOST_TRAP_ADDR = 88, Register64
DEVICE_FATAL_LOGBUF_START = 96, Register32
HOFFLOAD_ADDR = 100, Register64
FLAGS3 = 108, Register32
HOST_CAP2 = 112, Register32
HOST_CAP3 = 116, Register32
ETD_ADDR = 120, Register32
DEVICE_TXPOST_EXT_TAGS_BITMASK = 124, Register32
class WLANSRAMRingInfo(RegMap):
RINGMEM = 0x00, Register32
H2D_W_IDX_PTR = 0x04, Register32
H2D_R_IDX_PTR = 0x08, Register32
D2H_W_IDX_PTR = 0x0c, Register32
D2H_R_IDX_PTR = 0x10, Register32
H2D_W_IDX_HOSTADDR = 0x14, Register64
H2D_R_IDX_HOSTADDR = 0x1c, Register64
D2H_W_IDX_HOSTADDR = 0x24, Register64
D2H_R_IDX_HOSTADDR = 0x2c, Register64
MAX_FLOWRINGS = 0x34, Register32
MAX_SUBMISSIONRINGS = 0x38, Register32
MAX_COMPLETIONRINGS = 0x3c, Register32
COMMON_RING_CNT = 5
class WLANSRAMRingMem(RegMap):
MAX_ITEM = irange(0x04, COMMON_RING_CNT, 0x10), Register16
LEN_ITEMS = irange(0x06, COMMON_RING_CNT, 0x10), Register16
BASE_ADDR = irange(0x08, COMMON_RING_CNT, 0x10), Register32
class MsgHeader(ConstructClass):
subcon = Struct(
"msg_type" / Int8ul,
"if_id" / Int8sl,
"flags" / Int8ul,
"epoch" / Int8ul,
"request_id" / Int32ul,
)
class ComplHeader(ConstructClass):
subcon = Struct(
"status" / Int16ul,
"ring_id" / Int16ul,
)
class IOCtlPtrReq(ConstructClass):
subcon = Struct(
"cmd" / Int32ul,
"trans_id" / Int16ul,
"input_buf_len" / Int16ul,
"output_buf_len" / Int16ul,
"rsvd" / Array(3, Int16ul),
"host_input_buf_addr" / Int64ul,
)
class IOCtlResp(ConstructClass):
subcon = Struct(
"compl" / ComplHeader,
"resp_len" / Int16ul,
"trans_id" / Int16ul,
"cmd" / Int32ul,
)
class H2DMailboxData(ConstructClass):
subcon = Struct(
"data" / Int32ul
)
class D2HMailboxData(ConstructClass):
subcon = Struct(
"compl" / ComplHeader,
"data" / Int32ul,
)
class RingMessage(ConstructClass):
subcon = Struct(
"hdr" / MsgHeader,
"payload" / Switch(this.hdr.msg_type, {
0x09: IOCtlPtrReq,
0x0c: IOCtlResp,
0x23: H2DMailboxData,
0x24: D2HMailboxData,
}, default=HexDump(GreedyBytes))
)
class RingState:
pass
class WLANRingTracer(PCIeDevTracer):
def __init__(self, wlan, info):
self.wlan = wlan
self.hv = wlan.hv
self.p = wlan.hv.p
self.u = wlan.hv.u
self.ringid = self.RX, self.PTR_IDX
if self.ringid in wlan.state.rings:
self.state = wlan.state.rings[self.ringid]
else:
self.state = wlan.state.rings[self.ringid] = RingState()
self.state.rptr = 0
self.info = info
assert info.item_size == self.ITEM_SIZE
self.base_addr = info.base_addr
self.count = info.count
if self.RX:
d2h_paddr = self.wlan.iotranslate(self.wlan.state.d2h_w_idx_ha + 4 * self.PTR_IDX, 4)[0][0]
assert d2h_paddr is not None
self.hv.add_tracer(irange(d2h_paddr, 4), self.wlan.ident, TraceMode.SYNC,
read=self.d2h_w_idx_readhook)
def d2h_w_idx_readhook(self, evt):
self.log("W idx read")
self.poll()
def poll(self):
if self.RX:
wptr = self.wlan.ioread(self.wlan.state.d2h_w_idx_ha + 4 * self.PTR_IDX, 4)
else:
wptr = self.wlan.ioread(self.wlan.state.h2d_w_idx_ha + 4 * self.PTR_IDX, 4)
wptr = struct.unpack("<I", wptr)[0]
while wptr != self.state.rptr:
off = self.state.rptr * self.ITEM_SIZE
addr = self.base_addr + off
data = self.wlan.ioread(addr, self.ITEM_SIZE)
self.pkt(data)
self.state.rptr = (self.state.rptr + 1) % self.count
def pkt(self, data):
self.log("Got packet:")
pkt = RingMessage.parse(data)
self.log(pkt)
if pkt.hdr.msg_type == 0x09:
self.wlan.ioctlptr_req(pkt)
if pkt.hdr.msg_type == 0x0c:
self.wlan.ioctlresp(pkt)
def log(self, msg):
self.wlan.log(f"[{self.NAME}]{msg!s}")
class WLANControlSubmitRingTracer(WLANRingTracer):
NAME = "CTLSubmit"
PTR_IDX = 0
RX = False
ITEM_SIZE = 0x28
class WLANControlCompleteRingTracer(WLANRingTracer):
NAME = "CTLCompl"
PTR_IDX = 0
RX = True
ITEM_SIZE = 0x18
class RingInfo:
def __init__(self):
self.count = None
self.item_size = None
self.base_addr = None
def ready(self):
return self.count is not None and self.item_size is not None and self.base_addr is not None
class REG_IOCTL(Register32):
CLK = 0
FGC = 1
CORE_SPECIFIC = 13, 2
PME_EN = 14
BIST_EN = 15
class REG_IOST(Register32):
CORE_SPECIFIC = 11, 0
DMA64 = 12
GATED_CLK = 13
BIST_ERROR = 14
BIST_DONE = 15
class REG_RESET_CTL(Register32):
RESET = 0
class REG_CLK_CTL(Register32):
FORCEALP = 0
FORCEHT = 1
FORCEILP = 2
HAVEALPREQ = 3
HAVEHTREQ = 4
HWCROFF = 5
HQCLKREQ = 6
EXTRESREQ = 11, 8
HAVEALP = 16
HAVEHT = 17
BP_ON_ALP = 18
BP_ON_HT = 19
EXTRESST = 26, 24
class REG_PWR_CTL(Register32):
DMN0 = 0
DMN1 = 1
DMN2 = 2
DMN3 = 3
DMN4 = 4
PWRON_DMN0 = 8
PWRON_DMN1 = 9
PWRON_DMN2 = 10
PWRON_DMN3 = 11
PWRON_DMN4 = 12
ST_DMN0 = 16
ST_DMN1 = 17
ST_DMN2 = 18
ST_DMN3 = 19
ST_DMN4 = 20
BT_STATUS = 21, 20
DMN_ID = 31, 28
class WLANAgentRegs(RegMap):
IOCTL = 0x408, REG_IOCTL
IOST = 0x500, REG_IOST
RESET_CTL = 0x800, REG_RESET_CTL
class WLANDevice(Reloadable):
LENGTH = 0x1000
WRAP_LENGTH = 0x1000
REGMAP = None
WRAP_REGMAP = WLANAgentRegs
def __init__(self, wlan, type, rev, name, base, wrap):
self.wlan = wlan
self.hv = wlan.hv
self.type = type
self.rev = rev
self.name = name
self.base = base
self.wrap = wrap
self.regmap = None
self.wrap_regmap = None
if self.REGMAP is not None:
self.regmap = self.REGMAP(self, base)
if self.WRAP_REGMAP is not None:
self.wrap_regmap = self.WRAP_REGMAP(self, wrap)
def read(self, addr, width):
assert False
def write(self, addr, data, width):
assert False
def evt_rw(self, evt, base):
reg = rcls = None
addr = evt.addr + base
value = evt.data
t = "w" if evt.flags.WRITE else "r"
pfx = f"{self.name}:"
if self.regmap is not None:
reg, index, rcls = self.regmap.lookup_addr(addr)
regmap = self.regmap
if rcls is not None:
value = rcls(evt.data)
if reg is None and self.wrap_regmap is not None:
reg, index, rcls = self.wrap_regmap.lookup_addr(addr)
regmap = self.wrap_regmap
if rcls is not None:
value = rcls(evt.data)
if reg is not None:
pfx = f"{self.name}.wrap:"
if self.wlan.verbose >= 3 or (reg is None and self.wlan.verbose >= 1):
if reg is None:
s = pfx + f"{addr:#x} = {value:#x}"
else:
s = pfx + f"{regmap.get_name(addr)} = {value!s}"
m = "+" if evt.flags.MULTI else " "
self.wlan.log(f"WLAN: {t.upper()}.{1<<evt.flags.WIDTH:<2}{m} " + s)
if reg is not None:
attr = f"{t}_{reg}"
handler = getattr(self, attr, None)
if handler:
if index is not None:
handler(value, index)
else:
handler(value)
elif self.wlan.verbose == 2:
s = pfx + f"{regmap.get_name(evt.addr)} = {value!s}"
m = "+" if evt.flags.MULTI else " "
self.wlan.log(f"WLAN: {t.upper()}.{1<<evt.flags.WIDTH:<2}{m} " + s)
def log(self, msg, show_cpu=True):
self.wlan.log(f"[{self.name}] {msg}", show_cpu=show_cpu)
class WLANBackplane(Reloadable):
SRAM_BASE = 0x740000
SRAM_SIZE = 0x1f9000
DEVICES = []
def __init__(self, wlan):
self.wlan = wlan
self.hv = wlan.hv
self.devices = []
self.addr_map = ScalarRangeMap()
self.name_map = {}
self.unk_dev = WLANDevice(wlan, 0, 0, "unk", 0, 0)
for type, rev, base, wrap, name, cls in self.DEVICES:
if cls is None:
cls = WLANDevice
dev = cls(wlan, type, rev, name, base, wrap)
self.devices.append(dev)
self.wlan.log(f"add dev {name} base {base:#x} wrap {wrap:#x}")
self.name_map[name] = dev
if base != 0:
self.addr_map[irange(base, dev.LENGTH)] = dev
if wrap != 0:
self.addr_map[irange(wrap, dev.LENGTH)] = dev
setattr(self, name, dev)
def evt_rw(self, evt, base):
if isinstance(base, str):
dev = self.name_map.get(base, self.unk_dev)
base = dev.base
else:
dev = self.addr_map.get(base, self.unk_dev)
dev.evt_rw(evt, base)
regmap = dev.regmap
class WLANChipCommonRegs(RegMap):
pass
class WLANPCIE2Regs(RegMap):
INTMASK = 0x24, Register32
MAILBOXINT = 0x48, Register32
MAILBOXMASK = 0x4c, Register32
CONFIGADDR = 0x120, Register32
CONFIGDATA = 0x124, Register32
H2D_MAILBOX_0 = 0x140, Register32
H2D_MAILBOX_1 = 0x144, Register32
CLK_CTL = 0x1e0, REG_CLK_CTL
PWR_CTL = 0x1e8, REG_PWR_CTL
HMAP_WINDOW_BASE_L = 0x540, Register32
HMAP_WINDOW_BASE_H = 0x544, Register32
HMAP_WINDOW_SIZE = 0x548, Register32
HMAP_VIOLATION_ADDR_L = 0x5c0, Register32
HMAP_VIOLATION_ADDR_H = 0x5c4, Register32
HMAP_VIOLATION_INFO = 0x5c8, Register32
HMAP_WINDOW_CONFIG = 0x5d0, Register32
HMAP_WINDOW_BASE_L_64 = 0x580, Register32
HMAP_WINDOW_BASE_H_64 = 0x584, Register32
HMAP_WINDOW_SIZE = 0x588, Register32
HMAP_VIOLATION_ADDR_L_64= 0x600, Register32
HMAP_VIOLATION_ADDR_H_64= 0x604, Register32
HMAP_VIOLATION_INFO_64 = 0x608, Register32
HMAP_WINDOW_CONFIG_64 = 0x610, Register32
H2D_MAILBOX_0_64 = 0xa20, Register32
H2D_MAILBOX_1_64 = 0xa24, Register32
INTMASK_64 = 0xc14, Register32
MAILBOXINT_64 = 0xc30, Register32
MAILBOXMASK_64 = 0xc34, Register32
class WLANPCIE2Core(WLANDevice):
REGMAP = WLANPCIE2Regs
def w_H2D_MAILBOX_0(self, val):
ring = self.wlan.rings.get(2, None)
if ring is not None:
ring.poll()
ring = self.wlan.rings.get(0, None)
if ring is not None:
ring.poll()
w_H2D_MAILBOX_0_64 = w_H2D_MAILBOX_0
def w_MAILBOXMASK_64(self, val):
pass
#self.hv.run_shell()
class WLANGCIRegs(RegMap):
OTPDATA = irange(0x1000, 0x400, 2), Register16
class WLANGCICore(WLANDevice):
LENGTH = 0x2000
REGMAP = WLANGCIRegs
class WLANBackplane4388(WLANBackplane):
SRAM_BASE = 0x200000
SRAM_SIZE = 0x2e0000
DEVICES = [
(0x800, 75, 0x18000000, 0x18100000, "cc", None),
(0x83c, 74, 0x18001000, 0x18101000, "pcie2", WLANPCIE2Core),
(0x847, 11, 0x18020000, 0x18120000, "arm_ca7", None),
(0x812, 87, 0x18021000, 0x18121000, "80211_0", None),
(0x812, 87, 0x18022000, 0x18122000, "80211_1", None),
(0x812, 87, 0x18023000, 0x18123000, "80211_2", None),
(0x850, 1, 0x00000000, 0x1812c000, "850?", None),
(0x849, 12, 0x18024000, 0x18124000, "sys_mem", None),
(0x857, 8, 0x00000000, 0x18108000, "857?", None),
(0x840, 27, 0x18010000, 0x00000000, "gci", WLANGCICore),
(0x827, 43, 0x18012000, 0x00000000, "pmu", None),
(0x135, 0, 0x00000000, 0x18106000, "apb_0", None),
(0x135, 0, 0x00000000, 0x18107000, "apb_1", None),
(0x135, 0, 0x00000000, 0x18132000, "apb_2", None),
(0x31, 0, 0x00000000, 0x18131000, "31_0?", None),
(0x31, 0, 0x00000000, 0x1810b000, "31_1?", None),
(0x31, 0, 0x00000000, 0x1810c000, "31_2?", None),
(0xfff, 0, 0x1801f000, 0x18104000, "fff_0?", None),
(0xfff, 0, 0x1801f000, 0x1812f000, "fff_1?", None),
]
class WLANTracer(PCIeDevTracer):
DEFAULT_MODE = TraceMode.SYNC
BARMAPS = [None, None, None]
CFGMAP = WLANCfgSpace
RINGS = [
WLANControlSubmitRingTracer,
None, # RXPost
WLANControlCompleteRingTracer,
None, # TX complete
None, # RX complete
]
CMDS = {
1: "GET_VERSION",
2: "UP",
3: "DOWN",
262: "GET_VAR",
263: "SET_VAR",
}
CHIPSETS = {
4388: WLANBackplane4388,
}
def __init__(self, hv, apcie, bus, dev, fn, dart_path=None, verbose=False):
super().__init__(hv, apcie, bus, dev, fn, verbose=verbose)
self.u = hv.u
self.p = hv.p
self.dart_path = dart_path
self.dart_dev = None
self.dart = None
self.rings = {}
self.chipset = u.adt["/product"].wifi_chipset
self.bp = self.CHIPSETS.get(int(self.chipset), WLANBackplane)(self)
def init_state(self):
super().init_state()
self.state.shared_base = None
self.state.ring_info_base = None
self.state.ring_mem_base = None
self.state.tcm_base = None
self.state.tcm_size = None
self.state.ring_info = None
self.state.ring_mem = None
self.state.ring_info_data = {}
self.state.rings = {}
self.state.ioctls = {}
self.state.h2d_w_idx_ha = None
self.state.h2d_r_idx_ha = None
self.state.d2h_w_idx_ha = None
self.state.d2h_r_idx_ha = None
def bar0_rw(self, evt):
off = evt.addr - self.state.bar0_base
value = evt.data
t = "w" if evt.flags.WRITE else "r"
evt = evt.copy()
evt.addr = off & 0xfff
if 0x0000 <= off < 0x1000:
self.bp.evt_rw(evt, self.cfg.cached.BAR0_WINDOW.val)
elif 0x1000 <= off < 0x2000:
self.bp.evt_rw(evt, self.cfg.cached.BAR0_WIN_1000.val)
elif 0x2000 <= off < 0x3000:
self.bp.evt_rw(evt, "pcie2")
elif 0x3000 <= off < 0x4000:
self.bp.evt_rw(evt, "cc")
elif 0x4000 <= off < 0x5000:
self.bp.evt_rw(evt, self.cfg.cached.BAR0_WIN_4000.val)
elif 0x5000 <= off < 0x6000:
self.bp.evt_rw(evt, self.cfg.cached.BAR0_WIN_5000.val)
else:
self.bp.evt_rw(evt, f"unk{off>>12:#x}")
def config_dart(self):
# Ugly...
if self.dart_dev is None:
for i in range (16):
ttbr = self.dart.dart.regs.TTBR[i].reg
if ttbr.VALID:
self.log(f"DART device: {i}")
self.dart_dev = i
break
else:
raise Exception("Failed to find DART device")
def ioread(self, addr, size):
self.config_dart()
return self.dart.ioread(self.dart_dev, addr, size)
def iotranslate(self, addr, size):
self.config_dart()
return self.dart.iotranslate(self.dart_dev, addr, size)
def r_SHARED_BASE(self, base):
if base.value & 0xffff == (base.value >> 16) ^ 0xffff:
return
self.state.shared_base = base.value
self.update_shared()
def w_H2D_W_IDX_HOSTADDR(self, addr):
self.state.h2d_w_idx_ha = addr.value
def w_H2D_R_IDX_HOSTADDR(self, addr):
self.state.h2d_r_idx_ha = addr.value
def w_D2H_W_IDX_HOSTADDR(self, addr):
self.state.d2h_w_idx_ha = addr.value
def w_D2H_R_IDX_HOSTADDR(self, addr):
self.state.d2h_r_idx_ha = addr.value
def w_MAX_ITEM(self, val, index):
info = self.state.ring_info_data.setdefault(index, RingInfo())
info.count = val.value
self.update_ring(index)
def w_LEN_ITEMS(self, val, index):
info = self.state.ring_info_data.setdefault(index, RingInfo())
info.item_size = val.value
self.update_ring(index)
def w_BASE_ADDR(self, val, index):
info = self.state.ring_info_data.setdefault(index, RingInfo())
info.base_addr = val.value
self.update_ring(index)
def w_cfg_BACKPLANE_DATA(self, val):
win = self.cfg.cached.BAR0_WINDOW.val
evt = Container()
evt.flags = MMIOTraceFlags(WIDTH=2, WRITE=1)
evt.addr = self.cfg.cached.BACKPLANE_ADDR.val
evt.data = val.value
self.bp.evt_rw(evt, win)
def r_cfg_BACKPLANE_DATA(self, val):
win = self.cfg.cached.BAR0_WINDOW.val
evt = Container()
evt.flags = MMIOTraceFlags(WIDTH=2, WRITE=0)
evt.addr = self.cfg.cached.BACKPLANE_ADDR.val
evt.data = val.value
self.bp.evt_rw(evt, win)
def update_ring(self, idx):
if idx not in self.state.ring_info_data:
return
info = self.state.ring_info_data[idx]
if not info.ready():
return
if idx in self.rings:
return
if idx > len(self.RINGS):
return
ringcls = self.RINGS[idx]
if ringcls is None:
return
self.rings[idx] = ringcls(self, info)
def ioctlptr_req(self, pkt):
data = self.ioread(pkt.payload.host_input_buf_addr, pkt.payload.input_buf_len)
cmd = self.CMDS.get(pkt.payload.cmd, "unk")
self.log(f"IOCTL request ({cmd}):")
chexdump(data, print_fn = self.log)
self.state.ioctls[pkt.payload.trans_id] = pkt
def ioctlresp(self, pkt):
req = self.state.ioctls.get(pkt.payload.trans_id, None)
if req is None:
self.log(f"ERROR: unknown transaction ID {pkt.payload.trans_id:#x}")
return
data = self.ioread(req.payload.host_input_buf_addr, req.payload.output_buf_len)
cmd = self.CMDS.get(pkt.payload.cmd, "unk")
self.log(f"IOCTL response ({cmd}):")
chexdump(data, print_fn = self.log)
del self.state.ioctls[pkt.payload.trans_id]
def trace_bar(self, idx, start, size):
if idx == 2:
self.state.tcm_base = start
self.state.tcm_size = size
self.update_tcm_tracers()
elif idx == 0:
self.state.bar0_base = start
self.state.bar0_size = size
self.update_bar0_tracers()
else:
return super().trace_bar(idx, start, size)
def update_tcm_tracers(self):
if self.state.tcm_base is None:
return
if self.dart is None:
self.dart = DART.from_adt(self.u, self.dart_path)
self.trace_regmap(self.state.tcm_base + self.bp.SRAM_BASE + self.bp.SRAM_SIZE - 8, 8,
WLANSRAMEnd, name="sram")
def update_bar0_tracers(self):
if self.state.bar0_base is None:
return
zone = irange(self.state.bar0_base, self.state.bar0_size)
self.hv.add_tracer(zone, self.ident, self.DEFAULT_MODE, self.bar0_rw,
self.bar0_rw)
def update_shared(self):
base = self.state.shared_base
if base is None:
return
if self.state.ring_info_base is None:
self.shared = WLANSRAMShared(self.hv.u, self.state.tcm_base + base)
self.log("Reading shared info")
self.shared.dump_regs()
self.state.ring_info_base = self.shared.RING_INFO_ADDR.val
if self.state.ring_mem_base is None:
self.ring_info = WLANSRAMRingInfo(self.hv.u,
self.state.tcm_base + self.state.ring_info_base)
self.log("Reading ring info")
self.ring_info.dump_regs()
self.state.ring_mem_base = self.ring_info.RINGMEM.val
self.trace_regmap(self.state.tcm_base + base, 0x100,
WLANSRAMShared, name="shared")
self.trace_regmap(self.state.tcm_base + self.state.ring_info_base, 0x40,
WLANSRAMRingInfo, name="ringinfo")
self.ring_mem = WLANSRAMRingMem(self.hv.u,
self.state.tcm_base + self.state.ring_mem_base)
self.log("Reading ring mem")
self.ring_mem.dump_regs()
self.trace_regmap(self.state.tcm_base + self.state.ring_mem_base,
COMMON_RING_CNT * 0x10, WLANSRAMRingMem, name="ringmem")
def start(self):
super().start()
self.update_tcm_tracers()
self.update_shared()
for i in range(len(self.RINGS)):
self.update_ring(i)
devno = 2 if hv.xnu_mode else 1
wlan_tracer = WLANTracer(hv, "/arm-io/apcie",
devno, 0, 0, "/arm-io/dart-apcie0")
wlan_tracer.start()