X-Git-Url: https://scm.lunaixsky.com/lunaix-os.git/blobdiff_plain/48b4a227035048fdebcd32532deb7a857c6199ac..642855f81fd03b9fd6540ac99c665b57b4b38cc8:/lunaix-os/includes/lunaix/mm/mm.h diff --git a/lunaix-os/includes/lunaix/mm/mm.h b/lunaix-os/includes/lunaix/mm/mm.h index 2ea1ac2..5890f61 100644 --- a/lunaix-os/includes/lunaix/mm/mm.h +++ b/lunaix-os/includes/lunaix/mm/mm.h @@ -3,8 +3,12 @@ #include #include +#include +#include -typedef struct +#include + +typedef struct { void* start; void* brk; @@ -14,31 +18,46 @@ typedef struct /** * @brief 私有区域,该区域中的页无法进行任何形式的共享。 - * + * */ -#define REGION_PRIVATE 0x0 +#define REGION_PRIVATE MAP_PRIVATE /** - * @brief 读共享区域,该区域中的页可以被两个进程之间读共享,但任何写操作须应用Copy-On-Write - * + * @brief + * 读共享区域,该区域中的页可以被两个进程之间读共享,但任何写操作须应用Copy-On-Write + * */ -#define REGION_RSHARED 0x1 +#define REGION_RSHARED MAP_RSHARED /** - * @brief 写共享区域,该区域中的页可以被两个进程之间读共享,任何的写操作无需执行Copy-On-Write - * + * @brief + * 写共享区域,该区域中的页可以被两个进程之间读共享,任何的写操作无需执行Copy-On-Write + * */ -#define REGION_WSHARED 0x2 +#define REGION_WSHARED MAP_WSHARED + +#define REGION_PERM_MASK 0x1c +#define REGION_MODE_MASK 0x3 -#define REGION_TYPE_CODE (0) -#define REGION_TYPE_DATA (1 << 2) +#define REGION_READ PROT_READ +#define REGION_WRITE PROT_WRITE +#define REGION_EXEC PROT_EXEC +#define REGION_ANON MAP_ANON +#define REGION_RW REGION_READ | REGION_WRITE + +#define REGION_TYPE_CODE (1 << 16); +#define REGION_TYPE_GENERAL (2 << 16); +#define REGION_TYPE_HEAP (3 << 16); +#define REGION_TYPE_STACK (4 << 16); struct mm_region { - struct llist_header* head; - void* start; - void* end; - unsigned int attr; + struct llist_header head; // must be first field! + struct v_file* mfile; + u32_t offset; + ptr_t start; + ptr_t end; + u32_t attr; }; #endif /* __LUNAIX_MM_H */