cemu-idapython/Scripts/PteDump.py

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import idaapi
import idc
from idaapi import Choose2
def parse_pte(str):
try:
parse_pte.re
except:
parse_pte.re = re.compile('PDE at ([0-9a-f]+)\s*PTE at ([0-9a-f]+)\ncontains ([0-9a-f]+)\s*contains ([0-9a-f]+)\npfn ([0-9]+)\s*([^ ]+)\s*pfn ([0-9a-f]+)\s*([^\r\n]+)', re.I | re.M)
parse_pte.items = ('pde', 'pte', 'pdec', 'ptec', 'pdepfn', 'pdepfns', 'ptepfn', 'ptepfns')
m = parse_pte.re.search(s)
r = {}
for i in range(0, len(parse_pte.items)):
r[parse_pte.items[i]] = m.group(i+1)
return r
class MyChoose2(Choose2):
def __init__(self, title, ea1, ea2):
Choose2.__init__(self, title, [ ["VA", 10], ["PTE attr", 30] ])
self.ea1 = ea1
self.ea2 = ea2
self.n = 0
self.icon = 5
self.items = []
self.Refresh()
self.selcount = 0
def OnGetLine(self, n):
print("getline %d" % n)
return self.items[n]
def OnGetSize(self):
n = len(self.items)
self.Refresh()
return n
def OnRefresh(self, n):
print("refresh %d" % n)
return n
def Refresh(self):
items = []
PG = 0x1000
ea1 = self.ea1
npages = (self.ea2 - ea1) / PG
for i in range(npages):
r = idc.SendDbgCommand("!pte %x" % ea1)
if not r:
return False
r = parse_pte(r)
items.append([hex(ea1), r['ptepfns']])
ea1 += PG
self.items = items
print(self.items)
return True
@staticmethod
def Execute(ea1, ea2):
c = MyChoose2("PTE Viewer [%x..%x]" % (ea1, ea2), ea1, ea2)
return (c, c.Show())
def DumpPTE(ea1, ea2):
items = []
PG = 0x1000
npages = (ea2 - ea1) / PG
for i in range(npages):
r = idc.SendDbgCommand("!pte %x" % ea1)
if not r:
return False
print r
r = parse_pte(r)
print("VA: %08X PTE: %s PDE: %s" % (ea1, r['ptepfns'], r['pdepfns']))
ea1 += PG
def DumpSegPTE(ea):
DumpPTE(idc.SegStart(ea), idc.SegEnd(ea))
DumpSegPTE(here())
#MyChoose2.Execute(0xF718F000, 0xF718F000+0x1000)