#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)
// 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;
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;
/* 四个页挂载点,两个页目录挂载点: 用于临时创建&编辑页表 */
#define PG_MOUNT_RANGE(l1_index) (701 <= l1_index && l1_index <= 703)
-#define VMS_MOUNT_1 (KERNEL_MM_BASE + MEM_4MB)
+#define VMS_MOUNT_1 (KERNEL_MM_BASE + KSIZE)
#define PG_MOUNT_BASE (VMS_MOUNT_1 + MEM_4MB)
#define PG_MOUNT_1 (PG_MOUNT_BASE)
#define PG_MOUNT_2 (PG_MOUNT_BASE + 0x1000)
#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) \