X-Git-Url: https://scm.lunaixsky.com/lunaix-os.git/blobdiff_plain/b60166b327a9108b07e3069fa6568a451529ffd9..e2994a5332194a132c60db35c55a006bdd1f6566:/lunaix-os/includes/lunaix/mm/region.h diff --git a/lunaix-os/includes/lunaix/mm/region.h b/lunaix-os/includes/lunaix/mm/region.h index d030f6d..34e517e 100644 --- a/lunaix-os/includes/lunaix/mm/region.h +++ b/lunaix-os/includes/lunaix/mm/region.h @@ -2,7 +2,6 @@ #define __LUNAIX_REGION_H #include -#include #include #define prev_region(vmr) list_prev(vmr, struct mm_region, head) @@ -31,6 +30,31 @@ region_size(struct mm_region* mm) { return mm->end - mm->start; } +static inline bool +anon_region(struct mm_region* mm) { + return (mm->attr & REGION_ANON); +} + +static inline bool +writable_region(struct mm_region* mm) { + return !!(mm->attr & (REGION_RSHARED | REGION_WRITE)); +} + +static inline bool +readable_region(struct mm_region* mm) { + return !!(mm->attr & (REGION_RSHARED | REGION_READ)); +} + +static inline bool +executable_region(struct mm_region* mm) { + return !!(mm->attr & REGION_EXEC); +} + +static inline bool +shared_writable_region(struct mm_region* mm) { + return !!(mm->attr & REGION_WSHARED); +} + struct mm_region* region_create(ptr_t start, ptr_t end, u32_t attr); @@ -56,17 +80,10 @@ region_copy_mm(struct proc_mm* src, struct proc_mm* dest); struct mm_region* region_dup(struct mm_region* origin); -static u32_t -region_ptattr(struct mm_region* vmr) +static inline pte_t +region_tweakpte(struct mm_region* vmr, pte_t pte) { - u32_t vmr_attr = vmr->attr; - u32_t ptattr = PG_PRESENT | PG_ALLOW_USER; - - if ((vmr_attr & PROT_WRITE)) { - ptattr |= PG_WRITE; - } - - return ptattr & 0xfff; + return translate_vmr_prot(vmr->attr, pte); } #endif /* __LUNAIX_REGION_H */