OpenCore bootloader with development SDK.
Changelog v0.8.3
- Added ext4 file system driver
- Added support for macOS 13 DP3 Kernel Collection
- Added --force-device option to AudioDxe, allowing UEFI audio on HDA contollers which misreport themselves as non-HDA audio devices
- Provided optional unsafe fast file logging (suitable only for firmware with a fully compliant FAT32 driver)
- Fixed incorrect OSBundleLibraries_x86_64 handling during cacheless injection
- Changed RsaTool not to link against system ssl on macOS
- Fixed crash during cacheless injection when kext blocking is enabled
- Removed default codec connection delay from AudioDxe
- Added optional --codec-setup-delay argument to AudioDxe
- Changed units of Audio -> SetupDelay from microseconds to milliseconds (divide previous value by 1000 if using this setting)
- Fixed incorrect FAT binary slice being selected under macOS 10.4.11 when performing a cacheless boot
- Fixed rare assertion caused by label animation initialisation in OpenCanopy
- Added --show-csr option for Toggle SIP boot menu entry
- Added macOS 10.4 and 10.5 support to AllowRelocationBlock Booter quirk
- Added CPU cache info injection for macOS 10.4 to ProvideCurrentCpuInfo quirk
- Added emulated NVRAM driver for use separately from OpenDuet
- Added support for NVRAM reset and set default boot entry when using emulated NVRAM
- Upgraded emulated NVRAM logout script to allow unsupervised installation of recent macOS OTA updates
- Added Driver -> LoadEarly for drivers which need to be loaded before NVRAM init
Key Features
- Apple keyboard input aggregation
- Apple PE image signature verification
- Apple UEFI secure boot supplemental code
- Audio management with screen reading support
- Basic ACPI and SMBIOS manipulation
- CPU information gathering with timer support
- Cryptographic primitives (SHA-256, RSA, etc.)
- Decompression primitives (zlib, lzss, lzvn, etc.)
- Helper code for ACPI reads and modifications
- Higher level abstractions for files, strings, UEFI variables
- Overflow checking arithmetics
- PE image loading with no UEFI Secure Boot conflict
- Plist configuration format parsing
- PNG image manipulation
- Text output and graphics output implementations
- XNU kernel driver injection and patch engine
Credits
- The HermitCrabs Lab
- All projects providing third-party code (refer to file headers)
- AppleLife team and user-contributed resources
- Chameleon and Clover teams for hints and legacy
- al3xtjames
- Andrey1970AppleLife
- mhaeuser (ex Download-Fritz)
- Goldfish64
- MikeBeaton
- nms42
- PMheart
- savvamitrofanov
- usr-sse2
- vit9696
