timamsk/OpenCore-Legacy-Patcher
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Disable L0 for NVMe drives

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Mykola Grymalyuk
2021-05-01 10:40:06 -06:00
parent 7209aa98d0
commit 6f1ed43f4e
3 changed files with 6 additions and 7 deletions
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Resources/Build.py
+2 -3
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@@ -144,9 +144,8 @@ class BuildOpenCore:
nvme_vendor = self.hexswap(binascii.hexlify(i["vendor-id"]).decode()[:4])
nvme_device = self.hexswap(binascii.hexlify(i["device-id"]).decode()[:4])
nvme_aspm = i["pci-aspm-default"]
# Check if 0x2 is already present. If not, append
if not nvme_aspm & 2:
nvme_aspm |= 2
# Disable Bit 1 (L0), enable Bit 2 (L1)
nvme_aspm = (nvme_aspm & (~3)) | 2
print(f'- Found 3rd Party NVMe SSD ({x}): {nvme_vendor}:{nvme_device}')
self.config["#Revision"][f"Hardware-NVMe-{x}"] = f'{nvme_vendor}:{nvme_device}'
Resources/SysPatch.py
+2 -2
View File
@@ -153,7 +153,7 @@ class PatchSysVolume:
print("- Merging legacy Nvidia Kepler Kexts and Bundles")
self.add_new_binaries(ModelArray.AddNvidiaKeplerAccel11, self.constants.legacy_nvidia_kepler_path)
else:
print("- Merging legacy Nvidia Telsa and Fermi Kexts and Bundles")
print("- Merging legacy Nvidia Tesla and Fermi Kexts and Bundles")
self.delete_old_binaries(ModelArray.DeleteNvidiaAccel11)
self.add_new_binaries(ModelArray.AddNvidiaAccel11, self.constants.legacy_nvidia_path)
elif self.dgpu_vendor == self.constants.pci_amd_ati:
@@ -338,7 +338,7 @@ class PatchSysVolume:
print("Root Patching must be done on target machine!")
elif self.model in ModelArray.NoRootPatch11 and self.constants.assume_legacy is False:
print("Root Patching not required for this machine!")
elif self.model not in ModelArray.SupportedSMBIOS11:
elif self.model not in ModelArray.SupportedSMBIOS11 and self.constants.assume_legacy is False:
print("Cannot run on this machine, model is unsupported!")
elif self.constants.detected_os < self.constants.big_sur:
print(f"Cannot run on this OS, requires macOS 11!")