diff options
Diffstat (limited to 'lib/libkvm/kvm_mips.h')
| -rw-r--r-- | lib/libkvm/kvm_mips.h | 25 |
1 files changed, 25 insertions, 0 deletions
diff --git a/lib/libkvm/kvm_mips.h b/lib/libkvm/kvm_mips.h index 9fba6fb8e6e8..715117d59fb9 100644 --- a/lib/libkvm/kvm_mips.h +++ b/lib/libkvm/kvm_mips.h @@ -35,6 +35,9 @@ typedef uint64_t mips_physaddr_t; +typedef uint32_t mips32_pte_t; +typedef uint64_t mips64_pte_t; + #define MIPS_PAGE_SHIFT 12 #define MIPS_PAGE_SIZE (1 << MIPS_PAGE_SHIFT) #define MIPS_PAGE_MASK (MIPS_PAGE_SIZE - 1) @@ -58,6 +61,28 @@ typedef uint64_t mips_physaddr_t; #define MIPS64_PTE_TO_PFN(pte) ((pte) & MIPS64_PFN_MASK) #define MIPS64_PTE_TO_PA(pte) (MIPS_PFN_TO_PA(MIPS64_PTE_TO_PFN((pte)))) +#define MIPS32_SWBITS_SHIFT 29 +#define MIPS64_SWBITS_SHIFT 55 +#define MIPS_PTE_V 0x02 +#define MIPS32_PTE_RO ((mips32_pte_t)0x01 << MIPS32_SWBITS_SHIFT) +#define MIPS64_PTE_RO ((mips64_pte_t)0x01 << MIPS64_SWBITS_SHIFT) + +static inline mips32_pte_t +_mips32_pte_get(kvm_t *kd, u_long pteindex) +{ + mips32_pte_t *pte = _kvm_pmap_get(kd, pteindex, sizeof(*pte)); + + return _kvm32toh(kd, *pte); +} + +static inline mips64_pte_t +_mips64_pte_get(kvm_t *kd, u_long pteindex) +{ + mips64_pte_t *pte = _kvm_pmap_get(kd, pteindex, sizeof(*pte)); + + return _kvm64toh(kd, *pte); +} + #ifdef __mips__ _Static_assert(PAGE_SHIFT == MIPS_PAGE_SHIFT, "PAGE_SHIFT mismatch"); _Static_assert(PAGE_SIZE == MIPS_PAGE_SIZE, "PAGE_SIZE mismatch"); |