| 53,12 → 53,21 |
|---|
| |
| union entry_lo { |
| struct { |
| #ifdef BIG_ENDIAN |
| unsigned : 2; /* zero */ |
| unsigned pfn : 24; /* frame number */ |
| unsigned c : 3; /* cache coherency attribute */ |
| unsigned d : 1; /* dirty/write-protect bit */ |
| unsigned v : 1; /* valid bit */ |
| unsigned g : 1; /* global bit */ |
| #else |
| unsigned g : 1; /* global bit */ |
| unsigned v : 1; /* valid bit */ |
| unsigned d : 1; /* dirty/write-protect bit */ |
| unsigned c : 3; /* cache coherency attribute */ |
| unsigned pfn : 24; /* frame number */ |
| unsigned : 2; /* zero */ |
| #endif |
| } __attribute__ ((packed)); |
| __u32 value; |
| }; |
| 65,7 → 74,18 |
|---|
| |
| /** Page Table Entry. */ |
| struct pte { |
| #ifdef BIG_ENDIAN |
| unsigned a : 1; /**< Accessed bit. */ |
| unsigned w : 1; /**< Page writable bit. */ |
| unsigned pfn : 24; /**< Physical frame number. */ |
| unsigned soft_valid : 1; /**< Valid content even if not present. */ |
| unsigned : 1; /**< Unused. */ |
| unsigned cacheable : 1; /**< Cacheable bit. */ |
| unsigned d : 1; /**< Dirty bit. */ |
| unsigned p : 1; /**< Present bit. */ |
| unsigned g : 1; /**< Global bit. */ |
| #else |
| unsigned g : 1; /**< Global bit. */ |
| unsigned p : 1; /**< Present bit. */ |
| unsigned d : 1; /**< Dirty bit. */ |
| unsigned cacheable : 1; /**< Cacheable bit. */ |
| 74,13 → 94,20 |
|---|
| unsigned pfn : 24; /**< Physical frame number. */ |
| unsigned w : 1; /**< Page writable bit. */ |
| unsigned a : 1; /**< Accessed bit. */ |
| #endif |
| }; |
| |
| union entry_hi { |
| struct { |
| #ifdef BIG_ENDIAN |
| unsigned vpn2 : 19; |
| unsigned : 5; |
| unsigned asid : 8; |
| #else |
| unsigned asid : 8; |
| unsigned : 5; |
| unsigned vpn2 : 19; |
| #endif |
| } __attribute__ ((packed)); |
| __u32 value; |
| }; |
| 87,9 → 114,15 |
|---|
| |
| union page_mask { |
| struct { |
| #ifdef BIG_ENDIAN |
| unsigned : 7; |
| unsigned mask : 12; |
| unsigned : 13; |
| #else |
| unsigned : 13; |
| unsigned mask : 12; |
| unsigned : 7; |
| #endif |
| } __attribute__ ((packed)); |
| __u32 value; |
| }; |
| 96,9 → 129,15 |
|---|
| |
| union index { |
| struct { |
| #ifdef BIG_ENDIAN |
| unsigned p : 1; |
| unsigned : 27; |
| unsigned index : 4; |
| #else |
| unsigned index : 4; |
| unsigned : 27; |
| unsigned p : 1; |
| #endif |
| } __attribute__ ((packed)); |
| __u32 value; |
| }; |