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CPUFriendFriend.py
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#!/usr/bin/env python
import os, sys, plistlib, zipfile, tempfile, binascii, shutil
from Scripts import *
class CPUFF:
def __init__(self):
self.u = utils.Utils("CPUFriendFriend")
self.d = downloader.Downloader()
self.r = run.Run()
self.scripts = os.path.join(os.path.dirname(os.path.realpath(__file__)),"Scripts")
self.out = os.path.join(os.path.dirname(os.path.realpath(__file__)),"Results")
self.processor = self.r.run({"args":['/usr/sbin/sysctl', "-n", "machdep.cpu.brand_string"]})[0].strip()
self.plist = None
self.plist_data = None
self.rc_url = "https://raw.githubusercontent.com/acidanthera/CPUFriend/master/Tools/ResourceConverter.sh"
self.iasl_url = "https://bitbucket.org/RehabMan/acpica/downloads/iasl.zip"
self.iasl = self.check_iasl()
self.freq_path = "/System/Library/Extensions/IOPlatformPluginFamily.kext/Contents/PlugIns/X86PlatformPlugin.kext/Contents/Resources"
self.has_epp = False
self.epp_find = "6570700000000000000000000000000000000000"
self.has_perfbias = False
self.perfbias_find = "706572662D626961730000000000000000000000"
self.board = self._get_current_board()
self.smbios = self._get_current_smbios()
self.rc_path = self._check_rc(self.rc_url)
self.mylfm = None
self.myepp = None
self.myperfbias = None
def check_iasl(self):
target = os.path.join(self.scripts, "iasl")
if not os.path.exists(target):
# Need to download
temp = tempfile.mkdtemp()
try:
self._download_and_extract(temp,self.iasl_url)
except:
print("An error occurred :(")
shutil.rmtree(temp, ignore_errors=True)
if os.path.exists(target):
return target
return None
def _download_and_extract(self, temp, url):
ztemp = tempfile.mkdtemp(dir=temp)
zfile = os.path.basename(url)
self.u.head("Downloading IASL")
print("")
print("Downloading {}".format(os.path.basename(url)))
self.d.stream_to_file(url, os.path.join(ztemp,zfile))
print("")
print(" - Extracting")
btemp = tempfile.mkdtemp(dir=temp)
# Extract with built-in tools \o/
with zipfile.ZipFile(os.path.join(ztemp,zfile)) as z:
z.extractall(os.path.join(temp,btemp))
script_dir = self.scripts
for x in os.listdir(os.path.join(temp,btemp)):
if "iasl" in x.lower():
# Found one
print(" - Found {}".format(x))
print(" - Chmod +x")
self.r.run({"args":["chmod","+x",os.path.join(btemp,x)]})
print(" - Copying to {} directory".format(os.path.basename(script_dir)))
shutil.copy(os.path.join(btemp,x), os.path.join(script_dir,x))
def _get_rc(self, url):
self.u.head("Downloading ResourceConverter")
print("")
target = os.path.join(self.scripts,os.path.basename(url))
print("Downloading {} from:\n{}".format(os.path.basename(url),url))
return self.d.stream_to_file(url, target)
def _check_rc(self, url):
target = os.path.join(self.scripts,os.path.basename(url))
if os.path.exists(target):
return target
return self._get_rc(url)
def _decode(self, var):
if sys.version_info >= (3,0) and isinstance(var, bytes):
var = var.decode("utf-8","ignore")
return var
def _get_value(self,value):
out = self._decode(self.r.run({"args":["ioreg","-p","IODeviceTree","-d","2","-k",value]})[0])
v = "Unknown"
try:
v = out.split('{}" = '.format(value))[1].split('<"')[1].split('">')[0]
except:
pass
return v
def _get_current_board(self):
return self._get_value("board-id")
def _get_current_smbios(self):
return self._get_value("product-name")
def _get_epp_desc(self,epp):
epp_int = epp if isinstance(epp,int) else int(epp,16)
epp_desc = "Unknown"
if epp_int < 64:
epp_desc = "Performance"
elif epp_int < 128:
epp_desc = "Balanced Performance"
elif epp_int < 192:
epp_desc = "Balanced Power Savings"
else:
epp_desc = "Maximize Power Savings"
return epp_desc
def _get_freq_info(self,x):
freq = epp = perfbias = None
data = x if not isinstance(x,plistlib.Data) else x.data
str_data = self._decode(binascii.hexlify(data)).upper()
freq = str_data[8:10]
if self.epp_find in str_data:
epp = str_data.split(self.epp_find)[1][:2]
if self.perfbias_find in str_data:
perfbias = str_data.split(self.perfbias_find)[1][:2]
return (freq,epp,perfbias)
def _display_desc(self,desc):
self.u.head()
print("")
if self.mylfm is None:
print("Current CPU: {}".format(self.processor))
print("Current Board: {}".format(self.board))
print("Current SMBIOS: {}".format(self.smbios))
print("")
for i,x in enumerate(desc):
print(" {}. {}00MHz --> {}00MHz".format(i+1,int(x["start_freq"],16),int(x["end_freq"],16)))
if "start_epp" in x:
print(" -->{} ({}) --> {} ({})".format(
x["start_epp"],
self._get_epp_desc(x["start_epp"]),
x["end_epp"],
self._get_epp_desc(x["end_epp"])
))
if len(desc):
print("")
else:
print("Building CPUFriendDataProvider.")
def main(self):
if self.board.lower() == "unknown":
self.u.head("CPUFriendFriend")
print("")
print("Couldn't determine board id!")
print("Aborting!\n")
exit(1)
if not self.plist:
self.plist = os.path.join(self.freq_path,self.board+".plist")
try:
with open(self.plist,"rb") as f:
self.plist_data = plist.load(f)
except Exception as e:
if self.mylfm is None:
self.u.head("CPUFriendFriend")
print("")
print("Could not load {}!\nAborting!\n".format(self.board+".plist"))
print(e)
print("")
exit(1)
if self.plist_data.get("IOPlatformPowerProfile",{}).get("FrequencyVectors",None) == None:
self.u.head("CPUFriendFriend")
print("")
print("FrequencyVectors not found in {}!\nAborting!\n".format(self.board+".plist"))
exit(1)
new_freq = []
new_desc = []
total = len(self.plist_data.get("IOPlatformPowerProfile",{}).get("FrequencyVectors",[]))
for i,x in enumerate(self.plist_data.get("IOPlatformPowerProfile",{}).get("FrequencyVectors",[])):
freq,epp,perfbias = self._get_freq_info(x)
data = x if not isinstance(x,plistlib.Data) else x.data
str_data = self._decode(binascii.hexlify(data)).upper()
curr_desc = {"start_freq":freq}
while True:
self._display_desc(new_desc)
if self.mylfm is None:
# Display the hex, ask for a new value
print("Low Frequency Mode (LFM):\n")
print("This is the lowest frequency-voltage operating point for your processor. Refer to Intel's ARK site for your processor's LFM setting. If no LFM is defined for your processor, use the default.")
print("\nFrequency : Hex Value")
print(" 800MHz : 0x08")
print(" 900MHz : 0x09")
print(" 1000MHz : 0x0A")
print(" 1100MHz : 0x0B")
print(" 1200MHz : 0x0C")
print(" 1300MHz : 0x0D")
print("\nCurrent Setting: {} ({}00 MHz)\n".format(freq,int(freq,16)))
new = self.u.grab("Enter the value for your CPU: ").upper()
if new == "Q":
exit()
self.mylfm = new
else:
new = self.mylfm
new = new.replace("0X","")
new = "".join([x for x in new if x in "0123456789ABCDEF"])
if len(new) != 2:
continue
# Save the changes
str_data = str_data[:8]+new+str_data[10:]
curr_desc["end_freq"] = new
break
if epp:
self._display_desc(new_desc)
if self.myepp is None:
print("Energy Performance Preference (EPP):")
print("HWP EPP adjustment configures the intel p_state preference policy.")
print("\nEPP Ranges:")
print(" 0x00-0x3F : Performance")
print(" 0x40-0x7F : Balanced Performance")
print(" 0x80-0xBF : Balanced Power Savings")
print(" 0xC0-0xFF : Power")
print("Settings found in modern Apple computers:")
print(" 0x00 : Modern iMac")
print(" 0x90 : Modern MacBook Pro")
print(" 0x80 : Modern MacBook Air")
print("")
curr_desc["start_epp"] = epp
while True:
if self.myepp is None:
# Display the hex, ask for a new value
print("Current Setting: {} ({})\n".format(epp,self._get_epp_desc(epp)))
new = self.u.grab("Enter the new EPP value in hex: ").upper()
if new == "Q":
exit()
self.myepp = new
else:
new = self.myepp
new = new.replace("0X","")
new = "".join([x for x in new if x in "0123456789ABCDEF"])
if len(new) != 2:
continue
# Save the changes
ind = str_data.find(self.epp_find)
str_data = str_data[:ind+len(self.epp_find)]+new+str_data[ind+len(self.epp_find)+2:]
curr_desc["end_epp"] = new
break
if perfbias:
self._display_desc(new_desc)
if self.myperfbias is None:
print("Perf Bias:")
print ("Perf-Bias is a performance and energy bias hint used to specify power preference. Expressed as a range, 0 represents preference for performance, 15 represents preference for maximum power saving.")
print("\nPerf Bias Range:")
print(" 0x00-0x15")
print("Settings found in modern Apple computers:")
print(" 0x01 : Modern iMac")
print(" 0x05 : Modern MacBook Pro")
print(" 0x07 : Modern MacBook Air")
print("")
curr_desc["start_perfbias"] = perfbias
while True:
if self.myperfbias is None:
# Display the hex, ask for a new value
print("Current Setting: {} \n".format(perfbias))
new = self.u.grab("Enter the new PerfBias value in hex: ").upper()
if new == "Q":
exit()
self.myperfbias = new
else:
new = self.myperfbias
new = new.replace("0X","")
new = "".join([x for x in new if x in "0123456789ABCDEF"])
if len(new) != 2:
continue
# Save the changes
ind = str_data.find(self.perfbias_find)
str_data = str_data[:ind+len(self.perfbias_find)]+new+str_data[ind+len(self.perfbias_find)+2:]
curr_desc["end_epp"] = new
break
new_desc.append(curr_desc)
# Got the new data - convert it and store it
if sys.version_info < (3, 0):
new_freq.append(plistlib.Data(binascii.unhexlify(str_data)))
else:
new_freq.append(binascii.unhexlify(str_data.encode("utf-8")))
print("Additional Energy Savings Options:")
print("The MacBook Air SMBIOS includes additional properties for power savings, these properties include the following:")
print("\n")
print(" * Power Reduced Video Playback")
print(" * Thermally Optimized Xcode")
print(" * Power Optimized Screensavers")
print(" * Power Optimized Slideshows")
print(" * Power Optimized PhotoBooth")
print(" * Power Optimized Visualizers")
print("")
while True:
new = self.u.grab("Enable these features (y/N): ").upper()
if new == "Y":
self.plist_data["IOPlatformPowerProfile"]["power_reduced_playback"] = True
self.plist_data["IOPlatformPowerProfile"]["thermally_optimized_xcode"] = True
self.plist_data["IOPlatformPowerProfile"]["optimized_screensavers"] = True
self.plist_data["IOPlatformPowerProfile"]["optimized_slideshows"] = True
self.plist_data["IOPlatformPowerProfile"]["optimized_photobooth"] = True
self.plist_data["IOPlatformPowerProfile"]["optimized_visualizers"] = True
else:
print("Skipping.")
break
# Save the changes
self._display_desc(new_desc)
print("Saving to {}...".format(self.board+".plist"))
self.plist_data["IOPlatformPowerProfile"]["FrequencyVectors"] = new_freq
if os.path.exists(self.out):
print("Found prior Results - removing...")
shutil.rmtree(self.out,ignore_errors=True)
os.makedirs(self.out)
target_plist = os.path.join(self.out,self.board+".plist")
with open(target_plist,"wb") as f:
plist.dump(self.plist_data,f)
# Run the script if found
if self.rc_path and os.path.exists(self.rc_path):
print("Running {}...".format(os.path.basename(self.rc_path)))
cwd = os.getcwd()
os.chdir(self.out)
out = self.r.run({"args":["bash",self.rc_path,"-a",target_plist]})
if out[2] != 0:
print(out[1])
out = self.r.run({"args":["bash",self.rc_path,"-k",target_plist]})
if out[2] != 0:
print(out[1])
if self.iasl:
print("Compiling SSDTs...")
for x in os.listdir(self.out):
if x.startswith(".") or not x.lower().endswith(".dsl"):
continue
print(" - {}".format(x))
out = self.r.run({"args":[self.iasl,x]})
if out[2] != 0:
print(out[1])
os.chdir(cwd)
self.r.run({"args":["open",self.out]})
print("")
print("Done.")
exit()
c = CPUFF()
c.main()