regression: mmap for fd

[lunaix-os.git] / 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 9458277eac1db33a61b8bfc6fd31f929bb7d2724..8d479c2f47f3305b7d1669d938a63c47672496ee 100644 (file)
--- 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
@@ -18,15 +14,16 @@
 
 #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