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# SPDX-License-Identifier: MIT
import struct
from ..utils import *
from .asc import StandardASC
from .asc.base import *
class PMPMessage(Register64):
TYPE = 56, 44
class PMP_Startup(PMPMessage):
TYPE = 56, 44, Constant(0x00)
class PMP_Configure(PMPMessage):
TYPE = 56, 44, Constant(0x10)
DVA = 47, 0
class PMP_Configure_Ack(PMPMessage):
TYPE = 56, 44, Constant(0x20)
UNK = 47, 0
class PMP_Init1(PMPMessage):
TYPE = 56, 44, Constant(0x200)
UNK1 = 43, 16
UNK2 = 15, 0
class PMP_Init1_Ack(PMPMessage):
TYPE = 56, 44, Constant(0x201)
UNK1 = 43, 16
UNK2 = 15, 0
class PMP_Init2(PMPMessage):
TYPE = 56, 44, Constant(0x202)
UNK1 = 43, 16
UNK2 = 15, 0
class PMP_Init2_Ack(PMPMessage):
TYPE = 56, 44, Constant(0x203)
UNK1 = 43, 16
UNK2 = 15, 0
class PMP_Unk(PMPMessage):
TYPE = 56, 44, Constant(0x100)
UNK1 = 43, 16
UNK2 = 15, 0
class PMP_Unk_Ack(PMPMessage):
TYPE = 56, 44, Constant(0x110)
UNK1 = 43, 16
UNK2 = 15, 0
class PMP_DevPwr(PMPMessage):
TYPE = 56, 44, Constant(0x20e)
DEV = 31, 16
STATE = 15, 0
class PMP_DevPwr_Sync(PMPMessage):
TYPE = 56, 44, Constant(0x208)
DEV = 31, 16
STATE = 15, 0
class PMP_DevPwr_Ack(PMPMessage):
TYPE = 56, 44, Constant(0x209)
DEV = 31, 16
STATE = 15, 0
class PMPEndpoint(ASCBaseEndpoint):
BASE_MESSAGE = PMPMessage
SHORT = "pmpep"
def __init__(self, *args, **kwargs):
super().__init__(*args, **kwargs)
self.shmem = self.shmem_dva = None
self.init_complete = False
self.init1_acked = False
self.init2_acked = False
self.unk_acked = False
@msg_handler(0x00, PMP_Startup)
def Startup(self, msg):
self.log("Starting up")
self.shmem, self.shmem_dva = self.asc.ioalloc(0x10000)
self.send_init_config()
return True
def send_init_config(self):
self.asc.p.memset32(self.shmem, 0, 0x10000)
dram_config = self.asc.u.adt["arm-io/pmp/iop-pmp-nub"].energy_model_dram_configs
self.asc.iface.writemem(self.shmem + 0x2000, dram_config)
node = self.asc.u.adt["arm-io/pmp"]
maps = []
dva = 0xc0000000
for i in range(3, len(node.reg)):
addr, size = node.get_reg(i)
if size == 0:
maps.append(struct.pack("<QQ", 0, 0))
continue
self.asc.dart.iomap_at(0, dva, addr, size)
self.log(f"map {addr:#x} -> {dva:#x} [{size:#x}]")
maps.append(struct.pack("<QQ", dva, size))
dva += align(size, 0x4000)
chexdump(b"".join(maps))
self.asc.iface.writemem(self.shmem + 0xe000, b"".join(maps))
self.send(PMP_Configure(DVA=self.shmem_dva))
while not self.init_complete:
self.asc.work()
return True
@msg_handler(0x20, PMP_Configure_Ack)
def Configure_Ack(self, msg):
self.init_complete = True
props = self.asc.iface.readmem(self.shmem, 0x2000)
devinfo = self.asc.iface.readmem(self.shmem + 0x4000, 0x1000)
status = self.asc.iface.readmem(self.shmem + 0xc000, 0x100)
print("PMP Props:")
chexdump(props)
print("PMP Device Info:")
chexdump(devinfo)
print("PMP Status:")
chexdump(status)
self.send(PMP_Init1(UNK1=1, UNK2=3))
while not self.init1_acked:
self.asc.work()
self.send(PMP_Init2(UNK1=1, UNK2=0))
while not self.init2_acked:
self.asc.work()
self.send(PMP_Unk(UNK1=0x3bc, UNK2=2))
while not self.unk_acked:
self.asc.work()
return True
@msg_handler(0x201, PMP_Init1_Ack)
def Init1_Ack(self, msg):
self.init1_acked = True
return True
@msg_handler(0x203, PMP_Init2_Ack)
def Init2_Ack(self, msg):
self.init2_acked = True
return True
@msg_handler(0x110, PMP_Unk_Ack)
def Unk_Ack(self, msg):
self.unk_acked = True
return True
class PMPClient(StandardASC):
pass
ENDPOINTS = {
0x20: PMPEndpoint,
}
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