| 1 | /*! |
| 2 | * @header |
| 3 | * x86 chip environments. |
| 4 | */ |
| 5 | #ifndef __IMG4_CHIP_X86_H |
| 6 | #define __IMG4_CHIP_X86_H |
| 7 | |
| 8 | #ifndef __IMG4_INDIRECT |
| 9 | #error "Please #include <img4/firmware.h> instead of this file directly" |
| 10 | #endif // __IMG4_INDIRECT |
| 11 | |
| 12 | __BEGIN_DECLS |
| 13 | OS_ASSUME_NONNULL_BEGIN |
| 14 | OS_ASSUME_PTR_ABI_SINGLE_BEGIN |
| 15 | |
| 16 | /*! |
| 17 | * @const IMG4_CHIP_X86 |
| 18 | * An Intel x86 processor which cannot be uniquely identified. |
| 19 | */ |
| 20 | #if !XNU_KERNEL_PRIVATE |
| 21 | IMG4_API_AVAILABLE_20200508 |
| 22 | OS_EXPORT |
| 23 | const img4_chip_t _img4_chip_x86; |
| 24 | #define IMG4_CHIP_X86 (&_img4_chip_x86) |
| 25 | #else |
| 26 | #define IMG4_CHIP_X86 (img4if->i4if_v7.chip_x86) |
| 27 | #endif |
| 28 | |
| 29 | /*! |
| 30 | * @const IMG4_CHIP_X86_SOFTWARE_8012 |
| 31 | * A software-defined chip environment describing a virtualized x86 processor. |
| 32 | * Since the virtual machine is at the mercy of the VM, support for any sort of |
| 33 | * chip identity may not be available. Therefore this environment is returned |
| 34 | * from {@link img4_chip_select_personalized_ap} and |
| 35 | * {@link img4_chip_select_effective_ap} when it is called on a virtual machine |
| 36 | * so that the appropriate chip environment is present entirely in software. |
| 37 | * |
| 38 | * This environment provides an equivalent software identity to that of |
| 39 | * the {@link IMG4_CHIP_X86} chip environment on non-Gibraltar Macs. |
| 40 | * |
| 41 | * @discussion |
| 42 | * Do not use this environment directly. |
| 43 | */ |
| 44 | #if !XNU_KERNEL_PRIVATE |
| 45 | IMG4_API_AVAILABLE_20200508 |
| 46 | OS_EXPORT |
| 47 | const img4_chip_t _img4_chip_x86_software_8012; |
| 48 | #define IMG4_CHIP_X86_SOFTWARE_8012 (&_img4_chip_x86_software_8012) |
| 49 | #else |
| 50 | #define IMG4_CHIP_X86_SOFTWARE_8012 (img4if->i4if_v7.chip_x86_software_8012) |
| 51 | #endif |
| 52 | |
| 53 | OS_ASSUME_PTR_ABI_SINGLE_END |
| 54 | OS_ASSUME_NONNULL_END |
| 55 | __END_DECLS |
| 56 | |
| 57 | #endif // __IMG4_CHIP_X86_H |
| 58 | |