X-Git-Url: https://scm.lunaixsky.com/lunaix-os.git/blobdiff_plain/48b4a227035048fdebcd32532deb7a857c6199ac..8fdcd1575a97862975fa019f09c00453a2a7d8bb:/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..6585916 100644 --- a/lunaix-os/includes/lunaix/mm/mm.h +++ b/lunaix-os/includes/lunaix/mm/mm.h @@ -4,7 +4,7 @@ #include #include -typedef struct +typedef struct { void* start; void* brk; @@ -14,30 +14,42 @@ 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 0x0 /** - * @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 0x1 /** - * @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 0x2 -#define REGION_TYPE_CODE (0) -#define REGION_TYPE_DATA (1 << 2) +#define REGION_PERM_MASK 0x1c +#define REGION_MODE_MASK 0x3 + +#define REGION_READ (1 << 2) +#define REGION_WRITE (1 << 3) +#define REGION_EXEC (1 << 4) +#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; + struct llist_header head; + unsigned long start; + unsigned long end; unsigned int attr; };