Broadcom support is back...
https://github.com/dortania/OpenCore-Legacy-Patcher/pull/1077#issuecomment-1646934494
While the project is designed for legacy Mac hardware, we know the community is quite interested in our development of Broadcom patches. For those who wish to use the Broadcom patches on non-standard machines such as Hackintoshes, see below:
Enabling Patching support for modern Broadcom Cards (Click to Expand)
To use our current patches, you'll need to ensure the following:
System Integrity Protection is set to 0x803
csr-active-config | data | 03080000
Reset NVRAM or add csr-active-config to Delete to ensure the new variable is set
AMFI is disabled
boot-args | string | amfi=0x80
Secure Boot Model is set to Disabled
Following kexts are blocked:
com.apple.iokit.IOSkywalkFamily (Reference)
Set MinKernel to 23.0.0 to ensure patches only apply on Sonoma
Following kexts are injected:
IOSkywalk.kext
IO80211FamilyLegacy.kext
Kext has a child, AirPortBrcmNIC.kext, ensure this is injected as well
Set MinKernel to 23.0.0 to ensure patches only apply on Sonoma
Once these are injected, you can run OpenCore-Patcher's Post-Install option and root patch. On reboot, Wireless support should be restored assuming your machine was configured correctly to the above.