MetalMonday/me_cleaner
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Print the value of the HAP/AltMeDisable bit

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This commit is contained in:
Nicola Corna 2018-03-27 13:07:25 +02:00
parent cf88e6968e
commit 19eb7d0372
1 changed files with 11 additions and 4 deletions
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15
me_cleaner.py
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@ -671,6 +671,17 @@ if __name__ == "__main__":
if me_start > 0:
fdf = RegionFile(f, fd_start, fd_end)
if me11:
fdf.seek(fpsba)
pchstrp0 = unpack("<I", fdf.read(4))[0]
print("The HAP bit is " +
("SET" if pchstrp0 & 1 << 16 else "NOT SET"))
else:
fdf.seek(fpsba + 0x28)
pchstrp10 = unpack("<I", fdf.read(4))[0]
print("The AltMeDisable bit is " +
("SET" if pchstrp10 & 1 << 7 else "NOT SET"))
# ME 6 Ignition: wipe everything
me6_ignition = False
if not args.check and not args.soft_disable_only and \
@ -808,15 +819,11 @@ if __name__ == "__main__":
if args.soft_disable or args.soft_disable_only:
if me11:
print("Setting the HAP bit in PCHSTRP0 to disable Intel ME...")
fdf.seek(fpsba)
pchstrp0 = unpack("<I", fdf.read(4))[0]
pchstrp0 |= (1 << 16)
fdf.write_to(fpsba, pack("<I", pchstrp0))
else:
print("Setting the AltMeDisable bit in PCHSTRP10 to disable "
"Intel ME...")
fdf.seek(fpsba + 0x28)
pchstrp10 = unpack("<I", fdf.read(4))[0]
pchstrp10 |= (1 << 7)
fdf.write_to(fpsba + 0x28, pack("<I", pchstrp10))