X-Git-Url: https://scm.lunaixsky.com/lunaix-os.git/blobdiff_plain/0cf90cca0c924622f3fee8d2a3fafa8238363dc6..2a49908006b177c4d6354309333d06b1b96e4887:/lunaix-os/includes/lunaix/mm/page.h diff --git a/lunaix-os/includes/lunaix/mm/page.h b/lunaix-os/includes/lunaix/mm/page.h index 9330274..099bf13 100644 --- a/lunaix-os/includes/lunaix/mm/page.h +++ b/lunaix-os/includes/lunaix/mm/page.h @@ -13,6 +13,7 @@ #define V2P(vaddr) ((ptr_t)(vaddr)-KERNEL_MM_BASE) #define PG_ALIGN(addr) ((ptr_t)(addr)&0xFFFFF000UL) +#define PG_MOD(addr) ((ptr_t)(addr) & ~PG_SIZE) #define PG_ALIGNED(addr) (!((ptr_t)(addr)&0x00000FFFUL)) #define L1_INDEX(vaddr) (u32_t)(((ptr_t)(vaddr)&0xFFC00000UL) >> 22) @@ -85,7 +86,7 @@ typedef struct // 物理页地址(如果不存在映射,则为0) ptr_t pa; // 映射的flags - uint16_t flags; + u16_t flags; // PTE地址 x86_pte_t* pte; } v_mapping; @@ -93,7 +94,7 @@ typedef struct typedef struct { x86_pte_t entry[PG_MAX_ENTRIES]; -} __attribute__((packed)) x86_page_table; +} __attribute__((packed, aligned(4))) x86_page_table; extern void __pg_mount_point; @@ -106,6 +107,9 @@ extern void __pg_mount_point; #define PG_MOUNT_3 (PG_MOUNT_BASE + 0x2000) #define PG_MOUNT_4 (PG_MOUNT_BASE + 0x3000) +/* + 当前进程内存空间挂载点 +*/ #define VMS_SELF L2_BASE_VADDR #define CURPROC_PTE(vpn) \