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@@ -7,7 +7,8 @@
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#define PTRS_PER_PGT 512
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// 内核层的起始地址
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-#define KERNEL_BASE_ADDR ((unsigned long)0x100000)
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+#define PAGE_OFFSET ((unsigned long)0x000000)
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+#define KERNEL_BASE_PHYS_ADDR ((unsigned long)0x100000)
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#define PAGE_4K_SHIFT 12
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#define PAGE_2M_SHIFT 21
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@@ -27,8 +28,8 @@
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#define PAGE_2M_ALIGN(addr) (((unsigned long)(addr) + PAGE_2M_SIZE - 1) & PAGE_2M_MASK)
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// 虚拟地址与物理地址转换
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-#define virt_2_phys(addr) ((unsigned long)(addr)-KERNEL_BASE_ADDR)
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-#define phys_2_virt(addr) ((unsigned long *)((unsigned long)(addr) + KERNEL_BASE_ADDR))
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+#define virt_2_phys(addr) ((unsigned long)(addr)-PAGE_OFFSET)
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+#define phys_2_virt(addr) ((unsigned long *)((unsigned long)(addr) + PAGE_OFFSET))
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#define Virt_To_2M_Page(kaddr) (memory_management_struct.pages_struct + (virt_2_phys(kaddr) >> PAGE_2M_SHIFT))
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#define Phy_to_2M_Page(kaddr) (memory_management_struct.pages_struct + ((unsigned long)(kaddr) >> PAGE_2M_SHIFT))
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fslongjin