diff options
Diffstat (limited to 'sys/arm64/include/pte.h')
| -rw-r--r-- | sys/arm64/include/pte.h | 19 |
1 files changed, 13 insertions, 6 deletions
diff --git a/sys/arm64/include/pte.h b/sys/arm64/include/pte.h index 645cf3154226..da70dc4cda16 100644 --- a/sys/arm64/include/pte.h +++ b/sys/arm64/include/pte.h @@ -73,8 +73,10 @@ typedef uint64_t pt_entry_t; /* page table entry */ /* Level 0 table, 512GiB per entry */ #define L0_SHIFT 39 +#define L0_SIZE (1ul << L0_SHIFT) +#define L0_OFFSET (L0_SIZE - 1ul) #define L0_INVAL 0x0 /* An invalid address */ -#define L0_BLOCK 0x1 /* A block */ + /* 0x1 Level 0 doesn't support block translation */ /* 0x2 also marks an invalid address */ #define L0_TABLE 0x3 /* A next-level table */ @@ -83,16 +85,16 @@ typedef uint64_t pt_entry_t; /* page table entry */ #define L1_SIZE (1 << L1_SHIFT) #define L1_OFFSET (L1_SIZE - 1) #define L1_INVAL L0_INVAL -#define L1_BLOCK L0_BLOCK +#define L1_BLOCK 0x1 #define L1_TABLE L0_TABLE /* Level 2 table, 2MiB per entry */ #define L2_SHIFT 21 #define L2_SIZE (1 << L2_SHIFT) #define L2_OFFSET (L2_SIZE - 1) -#define L2_INVAL L0_INVAL -#define L2_BLOCK L0_BLOCK -#define L2_TABLE L0_TABLE +#define L2_INVAL L1_INVAL +#define L2_BLOCK L1_BLOCK +#define L2_TABLE L1_TABLE #define L2_BLOCK_MASK UINT64_C(0xffffffe00000) @@ -106,7 +108,12 @@ typedef uint64_t pt_entry_t; /* page table entry */ /* 0x2 also marks an invalid address */ #define L3_PAGE 0x3 -#define Ln_ENTRIES (1 << 9) +#define L0_ENTRIES_SHIFT 9 +#define L0_ENTRIES (1 << L0_ENTRIES_SHIFT) +#define L0_ADDR_MASK (L0_ENTRIES - 1) + +#define Ln_ENTRIES_SHIFT 9 +#define Ln_ENTRIES (1 << Ln_ENTRIES_SHIFT) #define Ln_ADDR_MASK (Ln_ENTRIES - 1) #define Ln_TABLE_MASK ((1 << 12) - 1) |