mirror of
https://github.com/CloverHackyColor/CloverBootloader.git
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124 lines
4.5 KiB
C
124 lines
4.5 KiB
C
/**
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Hack configuration
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This is a gestalt of black art, do not edit.
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by vit9696
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**/
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#ifndef APTIOFIX_HACK_CONFIG_H
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#define APTIOFIX_HACK_CONFIG_H
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/**
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* Attempt to protect certain CSM memory regions from being used by the kernel (by Slice).
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* On older firmwares this caused wake issues.
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*/
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#ifndef APTIOFIX_PROTECT_CSM_REGION
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#define APTIOFIX_PROTECT_CSM_REGION 1
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#endif
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/** Forces XNU to use old UEFI memory mapping after hibernation wake.
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* May cause memory corruption. See FixHibernateWakeWithoutRelocBlock for details.
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*/
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#ifndef APTIOFIX_HIBERNATION_FORCE_OLD_MEMORYMAP
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#define APTIOFIX_HIBERNATION_FORCE_OLD_MEMORYMAP 1
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#endif
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/** When attempting to reuse old UEFI memory mapping gBS->AllocatePool seems
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* to produce the same addresses way more often, and thus the system will not reboot
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* when accessing RTShims after waking from hibernation.
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* However, gBS->AllocatePool is dangerous, because it may overlap with the kernel
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* region and break aslr.
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*/
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#ifndef APTIOFIX_ALLOCATE_POOL_GIVES_STABLE_ADDR
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#define APTIOFIX_ALLOCATE_POOL_GIVES_STABLE_ADDR APTIOFIX_HIBERNATION_FORCE_OLD_MEMORYMAP
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#endif
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/** boot.efi still tries to allocate runtime memory for reserved segments as of 10.13.3.
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* This results in boot failure with "Couldn't allocate memory map" error.
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* Proven by GA-H81N-D2H with a single reserved segment:
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* 000000009F800000-00000000DF9FFFFF 0000000000040200 8000000000000000
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*/
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#ifndef APTIOFIX_PROTECT_RESERVED_MEMORY
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#define APTIOFIX_PROTECT_RESERVED_MEMORY 1
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#endif
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/** It is believed that boot.efi on Sandy & Ivy skips 0x10200000 bytes from 0x10000000
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* to protect from IGPU bugs, yet if this memory is marked available, it will may be
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* used by XNU. So far attempts to enable this did not show any pattern but boot failures.
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*/
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#define APTIOFIX_SLICE_OVERLAPPING_REGION_FIX 1
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#ifndef APTIOFIX_PROTECT_IGPU_SANDY_IVY_RESERVED_MEMORY
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#define APTIOFIX_PROTECT_IGPU_SANDY_IVY_RESERVED_MEMORY 1
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#endif
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/** Attempt to protect some memory region from being used by the kernel (by Slice).
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* It is believed to cause sleep issues on some systems, because this region
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* is generally marked as conventional memory.
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*/
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#ifndef APTIOFIX_UNMARKED_OVERLAPPING_REGION_FIX
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#define APTIOFIX_UNMARKED_OVERLAPPING_REGION_FIX 1
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#endif
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/** Calculate aslr slide ourselves when some addresses are not available for XNU. */
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#ifndef APTIOFIX_ALLOW_CUSTOM_ASLR_IMPLEMENTATION
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#define APTIOFIX_ALLOW_CUSTOM_ASLR_IMPLEMENTATION 1
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#endif
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/** This is important for several boards that cannot boot with slide=0, which safe mode enforces. */
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#ifndef APTIOFIX_ALLOW_ASLR_IN_SAFE_MODE
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#define APTIOFIX_ALLOW_ASLR_IN_SAFE_MODE 1
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#endif
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/** Hide slide=x value from os for increased security when using custom aslr. */
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#ifndef APTIOFIX_CLEANUP_SLIDE_BOOT_ARGUMENT
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#define APTIOFIX_CLEANUP_SLIDE_BOOT_ARGUMENT APTIOFIX_ALLOW_CUSTOM_ASLR_IMPLEMENTATION
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#endif
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/**
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* Speculated maximum kernel size (in bytes) to use when looking for a free memory region.
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* Used by APTIOFIX_ALLOW_CUSTOM_ASLR_IMPLEMENTATION to determine valid slide values.
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* 10.12.6 allocates at least approximately 287 MBs, we round it to 384 MBs
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* This seems to work pretty well on X299. Yet it may be a good idea to make a boot-arg.
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*/
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#ifndef APTIOFIX_SPECULATED_KERNEL_SIZE
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#define APTIOFIX_SPECULATED_KERNEL_SIZE ((UINTN)0x18000000)
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#endif
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/** Maximum number of supported runtime reloc protection areas */
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#ifndef APTIFIX_MAX_RT_RELOC_NUM
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#define APTIFIX_MAX_RT_RELOC_NUM ((UINTN)64)
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#endif
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/**
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* Perform invasive memory dumps when -aptiodump -v are passed to boot.efi.
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* This allows to reliably get the memory maps when in-OS dtrace script is broken.
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* Enable for development and testing purposes.
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*/
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#ifndef APTIOFIX_ALLOW_MEMORY_DUMP_ARG
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#define APTIOFIX_ALLOW_MEMORY_DUMP_ARG 0
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#endif
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/**
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* Performing memory map dumps may alter memory map contents themselves, so it is important to ensure
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* no memory is allocated during the dump process. This is especially crtitical for most ASUS APTIO V
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* boards for Skylake and newer, which may crash after bootng.
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*/
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#ifndef APTIOFIX_CUSTOM_POOL_ALLOCATOR
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#define APTIOFIX_CUSTOM_POOL_ALLOCATOR APTIOFIX_ALLOW_MEMORY_DUMP_ARG
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#endif
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/**
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* Maximum reserved area used by the custom pool allocator. This area must be large enough
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* to fit the screen buffer, but considerably small to avoid colliding with the kernel area.
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* 32 MB appears experimentally proven to be good enough for most of the boards.
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*/
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#ifndef APTIOFIX_CUSTOM_POOL_ALLOCATOR_SIZE
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#define APTIOFIX_CUSTOM_POOL_ALLOCATOR_SIZE 0x2000000
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#endif
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#endif // APTIOFIX_HACK_CONFIG_H
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