X-Git-Url: https://scm.lunaixsky.com/lunaix-os.git/blobdiff_plain/965940833071025bf0d386f4a9c70a5258453dbd..69777bdcab284335651a8002e2896f3862fa423d:/lunaix-os/includes/lunaix/mm/page.h?ds=sidebyside

diff --git a/lunaix-os/includes/lunaix/mm/page.h b/lunaix-os/includes/lunaix/mm/page.h
deleted file mode 100644
index c28cca0..0000000
--- a/lunaix-os/includes/lunaix/mm/page.h
+++ /dev/null
@@ -1,110 +0,0 @@
-#ifndef __LUNAIX_PAGE_H
-#define __LUNAIX_PAGE_H
-#include <lunaix/types.h>
-
-#define PG_SIZE_BITS 12
-#define PG_SIZE (1 << PG_SIZE_BITS)
-
-#define PG_MAX_ENTRIES 1024U
-#define PG_LAST_TABLE PG_MAX_ENTRIES - 1
-#define PG_FIRST_TABLE 0
-
-#define PTE_NULL 0
-
-#define PG_ALIGN(addr) ((ptr_t)(addr)&0xFFFFF000UL)
-#define PG_MOD(addr) ((ptr_t)(addr) & (PG_SIZE - 1))
-#define PG_ALIGNED(addr) (!((ptr_t)(addr)&0x00000FFFUL))
-#define PN(addr) (((ptr_t)(addr) >> 12))
-
-#define L1_INDEX(vaddr) (u32_t)(((ptr_t)(vaddr)&0xFFC00000UL) >> 22)
-#define L2_INDEX(vaddr) (u32_t)(((ptr_t)(vaddr)&0x003FF000UL) >> 12)
-#define PG_OFFSET(vaddr) (u32_t)((ptr_t)(vaddr)&0x00000FFFUL)
-
-#define GET_PT_ADDR(pde) PG_ALIGN(pde)
-#define GET_PG_ADDR(pte) PG_ALIGN(pte)
-
-#define IS_CACHED(entry) ((entry & 0x1))
-
-#define PG_PRESENT (0x1)
-#define PG_DIRTY (1 << 6)
-#define PG_ACCESSED (1 << 5)
-#define PG_WRITE (0x1 << 1)
-#define PG_ALLOW_USER (0x1 << 2)
-#define PG_WRITE_THROUGH (1 << 3)
-#define PG_DISABLE_CACHE (1 << 4)
-#define PG_PDE_4MB (1 << 7)
-
-#define PG_IS_DIRTY(pte) ((pte)&PG_DIRTY)
-#define PG_IS_ACCESSED(pte) ((pte)&PG_ACCESSED)
-#define PG_IS_PRESENT(pte) ((pte)&PG_PRESENT)
-
-#define NEW_L1_ENTRY(flags, pt_addr)                                           \
-    (PG_ALIGN(pt_addr) | (((flags) | PG_WRITE_THROUGH) & 0xfff))
-#define NEW_L2_ENTRY(flags, pg_addr) (PG_ALIGN(pg_addr) | ((flags)&0xfff))
-
-#define V_ADDR(pd, pt, offset) ((pd) << 22 | (pt) << 12 | (offset))
-#define P_ADDR(ppn, offset) ((ppn << 12) | (offset))
-
-#define PG_ENTRY_FLAGS(entry) ((entry)&0xFFFU)
-#define PG_ENTRY_ADDR(entry) ((entry) & ~0xFFFU)
-
-#define HAS_FLAGS(entry, flags) ((PG_ENTRY_FLAGS(entry) & (flags)) == flags)
-#define CONTAINS_FLAGS(entry, flags) (PG_ENTRY_FLAGS(entry) & (flags))
-
-#define PG_PREM_R (PG_PRESENT)
-#define PG_PREM_RW (PG_PRESENT | PG_WRITE)
-#define PG_PREM_UR (PG_PRESENT | PG_ALLOW_USER)
-#define PG_PREM_URW (PG_PRESENT | PG_WRITE | PG_ALLOW_USER)
-
-// 用于对PD进行循环映射，因为我们可能需要对PD进行频繁操作，我们在这里禁用TLB缓存
-#define T_SELF_REF_PERM PG_PREM_RW | PG_DISABLE_CACHE | PG_WRITE_THROUGH
-
-// 页目录的虚拟基地址，可以用来访问到各个PDE
-#define L1_BASE_VADDR 0xFFFFF000U
-
-// 页表的虚拟基地址，可以用来访问到各个PTE
-#define L2_BASE_VADDR 0xFFC00000U
-
-// 用来获取特定的页表的虚拟地址
-#define L2_VADDR(pd_offset) (L2_BASE_VADDR | (pd_offset << 12))
-
-typedef unsigned long ptd_t;
-typedef unsigned long pt_t;
-typedef unsigned int pt_attr;
-typedef u32_t x86_pte_t;
-
-/**
- * @brief 虚拟映射属性
- *
- */
-typedef struct
-{
-    // 虚拟页地址
-    ptr_t va;
-    // 物理页码（如果不存在映射，则为0）
-    u32_t pn;
-    // 物理页地址（如果不存在映射，则为0）
-    ptr_t pa;
-    // 映射的flags
-    u16_t flags;
-    // PTE地址
-    x86_pte_t* pte;
-} v_mapping;
-
-typedef struct
-{
-    x86_pte_t entry[PG_MAX_ENTRIES];
-} __attribute__((packed, aligned(4))) x86_page_table;
-
-/* 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)
-
-/*
-    当前进程内存空间挂载点
-*/
-#define VMS_SELF L2_BASE_VADDR
-
-#define PTE_MOUNTED(mnt, vpn)                                                  \
-    (((x86_page_table*)((mnt) | (((vpn)&0xffc00) << 2)))->entry[(vpn)&0x3ff])
-
-#endif /* __LUNAIX_PAGE_H */