mirror of
https://github.com/dortania/OpenCore-Legacy-Patcher.git
synced 2026-04-20 02:34:33 +10:00
49 lines
2.4 KiB
Diff
49 lines
2.4 KiB
Diff
diff --git a/BrcmPatchRAM/BlueToolFixup.cpp b/BrcmPatchRAM/BlueToolFixup.cpp
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index a6e3c69..701a9ad 100644
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--- a/BrcmPatchRAM/BlueToolFixup.cpp
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+++ b/BrcmPatchRAM/BlueToolFixup.cpp
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@@ -48,6 +48,35 @@ bool BlueToolFixup::start(IOService *provider) {
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static const uint8_t kSkipUpdateFilePathOriginal[] = "/etc/bluetool/SkipBluetoothAutomaticFirmwareUpdate";
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static const uint8_t kSkipUpdateFilePathPatched[] = "/System/Library/CoreServices/boot.efi";
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+
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+// Workaround 12.3 Beta 3 bug where macOS will detect the Bluetooth chipset twice
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+// Once and internal, and second as external dongle:
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+// 'ERROR -- Third Party Dongle has the same address as the internal module'
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+static const uint8_t kSkipAddressCheckOriginal[] =
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+{
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+ 0x48, 0x8D, 0x05, 0xC5, 0x97, 0x65, 0x00, // lea rax
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+ 0x8B, 0x48, 0x53, // mov ecx
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+ 0x33, 0x0B, // xor ecx
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+ 0x0F, 0xB7, 0x50, 0x57, // movzx edx
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+ 0x66, 0x33, 0x53, 0x04, // xor dx
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+ 0x0F, 0xB7, 0xD2, // movzx edx, dx
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+ 0x09, 0xCA, // or edx, ecx
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+ 0x74, 0x0E, // je
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+};
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+
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+static const uint8_t kSkipAddressPatched[] =
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+{
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+ 0x48, 0x8D, 0x05, 0xC5, 0x97, 0x65, 0x00, // lea rax
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+ 0x8B, 0x48, 0x53, // mov ecx
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+ 0x33, 0x0B, // xor ecx
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+ 0x0F, 0xB7, 0x50, 0x57, // movzx edx
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+ 0x66, 0x33, 0x53, 0x04, // xor dx
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+ 0x0F, 0xB7, 0xD2, // movzx edx, dx
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+ 0x09, 0xCA, // or edx, ecx
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+ 0x75, 0x0E, // jne
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+};
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+
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+
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static const uint8_t kVendorCheckOriginal[] =
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{
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0x81, 0xFA, // cmp edx
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@@ -131,6 +160,7 @@ static void patched_cs_validate_page(vnode_t vp, memory_object_t pager, memory_o
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}
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else if (strcmp(path + dirLength, "bluetoothd") == 0) {
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searchAndPatch(data, PAGE_SIZE, path, kVendorCheckOriginal, kVendorCheckPatched);
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+ searchAndPatch(data, PAGE_SIZE, path, kSkipAddressCheckOriginal, kSkipAddressPatched);
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searchAndPatch(data, PAGE_SIZE, path, kBadChipsetCheckOriginal, kBadChipsetCheckPatched);
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if (shouldPatchBoardId)
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searchAndPatch(data, PAGE_SIZE, path, boardIdsWithUSBBluetooth[0], kBoardIdSize, BaseDeviceInfo::get().boardIdentifier, kBoardIdSize);
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