X-Git-Url: https://scm.lunaixsky.com/lunaix-os.git/blobdiff_plain/642855f81fd03b9fd6540ac99c665b57b4b38cc8..b60166b327a9108b07e3069fa6568a451529ffd9:/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 5890f61..31954d3 100644 --- a/lunaix-os/includes/lunaix/mm/mm.h +++ b/lunaix-os/includes/lunaix/mm/mm.h @@ -1,40 +1,30 @@ #ifndef __LUNAIX_MM_H #define __LUNAIX_MM_H -#include -#include -#include #include -#include - -typedef struct -{ - void* start; - void* brk; - void* max_addr; - mutex_t lock; -} heap_context_t; +#include /** * @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 MAP_PRIVATE +#define REGION_PRIVATE MAP_EXCLUSIVE /** * @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 + * 等价于 POSIX 的 MAP_PRIVATE * */ -#define REGION_RSHARED MAP_RSHARED +#define REGION_RSHARED MAP_PRIVATE /** * @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 - * + * 等价于 POSIX 的 MAP_SHARED */ -#define REGION_WSHARED MAP_WSHARED +#define REGION_WSHARED MAP_SHARED #define REGION_PERM_MASK 0x1c #define REGION_MODE_MASK 0x3 @@ -44,20 +34,12 @@ typedef struct #define REGION_EXEC PROT_EXEC #define REGION_ANON MAP_ANON #define REGION_RW REGION_READ | REGION_WRITE +#define REGION_KERNEL (1 << 31) -#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; // must be first field! - struct v_file* mfile; - u32_t offset; - ptr_t start; - ptr_t end; - u32_t attr; -}; +#define REGION_TYPE_CODE (1 << 16) +#define REGION_TYPE_GENERAL (2 << 16) +#define REGION_TYPE_HEAP (3 << 16) +#define REGION_TYPE_STACK (4 << 16) +#define REGION_TYPE_VARS (5 << 16) #endif /* __LUNAIX_MM_H */