X-Git-Url: https://scm.lunaixsky.com/lunaix-os.git/blobdiff_plain/61bcf0c65dac58d2f29ab40e016489c89ec8eec0..642855f81fd03b9fd6540ac99c665b57b4b38cc8:/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 76ea882..8d479c2 100644
--- a/lunaix-os/includes/lunaix/mm/page.h
+++ b/lunaix-os/includes/lunaix/mm/page.h
@@ -1,11 +1,7 @@
 #ifndef __LUNAIX_PAGE_H
 #define __LUNAIX_PAGE_H
 #include <lunaix/common.h>
-#include <stdint.h>
-
-#define PG_SIZE_BITS 12
-#define PG_SIZE (1 << PG_SIZE_BITS)
-#define PG_INDEX_BITS 10
+#include <lunaix/types.h>
 
 #define PG_MAX_ENTRIES 1024U
 #define PG_LAST_TABLE PG_MAX_ENTRIES - 1
@@ -13,20 +9,21 @@
 
 #define PTE_NULL 0
 
-#define P2V(paddr) ((uintptr_t)(paddr) + HIGHER_HLF_BASE)
-#define V2P(vaddr) ((uintptr_t)(vaddr)-HIGHER_HLF_BASE)
+#define P2V(paddr) ((uintptr_t)(paddr) + KERNEL_MM_BASE)
+#define V2P(vaddr) ((uintptr_t)(vaddr)-KERNEL_MM_BASE)
 
 #define PG_ALIGN(addr) ((uintptr_t)(addr)&0xFFFFF000UL)
 
-#define L1_INDEX(vaddr) (uint32_t)(((uintptr_t)(vaddr)&0xFFC00000UL) >> 22)
-#define L2_INDEX(vaddr) (uint32_t)(((uintptr_t)(vaddr)&0x003FF000UL) >> 12)
-#define PG_OFFSET(vaddr) (uint32_t)((uintptr_t)(vaddr)&0x00000FFFUL)
+#define L1_INDEX(vaddr) (u32_t)(((uintptr_t)(vaddr)&0xFFC00000UL) >> 22)
+#define L2_INDEX(vaddr) (u32_t)(((uintptr_t)(vaddr)&0x003FF000UL) >> 12)
+#define PG_OFFSET(vaddr) (u32_t)((uintptr_t)(vaddr)&0x00000FFFUL)
 
 #define GET_PT_ADDR(pde) PG_ALIGN(pde)
 #define GET_PG_ADDR(pte) PG_ALIGN(pte)
 
 #define PG_DIRTY(pte) ((pte & (1 << 6)) >> 6)
 #define PG_ACCESSED(pte) ((pte & (1 << 5)) >> 5)
+#define PG_PRESENTED(pte) ((pte)&PG_PRESENT)
 
 #define IS_CACHED(entry) ((entry & 0x1))
 
@@ -50,10 +47,10 @@
 #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
+#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
@@ -70,7 +67,7 @@
 typedef unsigned long ptd_t;
 typedef unsigned long pt_t;
 typedef unsigned int pt_attr;
-typedef uint32_t x86_pte_t;
+typedef u32_t x86_pte_t;
 
 /**
  * @brief 虚拟映射属性
@@ -81,7 +78,7 @@ typedef struct
     // 虚拟页地址
     uintptr_t va;
     // 物理页码（如果不存在映射，则为0）
-    uint32_t pn;
+    u32_t pn;
     // 物理页地址（如果不存在映射，则为0）
     uintptr_t pa;
     // 映射的flags
@@ -98,14 +95,14 @@ typedef struct
 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 PD_MOUNT_1 0xAFC00000
-#define PD_MOUNT_2 0xAF800000
-#define PG_MOUNT_BASE 0xAF7FF000
+#define PG_MOUNT_RANGE(l1_index) (701 <= l1_index && l1_index <= 703)
+#define PD_MOUNT_1 (KERNEL_MM_BASE + MEM_4MB)
+#define PG_MOUNT_BASE (PD_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)
+#define PG_MOUNT_2 (PG_MOUNT_BASE + 0x1000)
+#define PG_MOUNT_3 (PG_MOUNT_BASE + 0x2000)
+#define PG_MOUNT_4 (PG_MOUNT_BASE + 0x3000)
+
 #define PD_REFERENCED L2_BASE_VADDR
 
 #define CURPROC_PTE(vpn)                                                       \