Refactor MMU for multi-paging support and add 5-Level paging #16

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harraiken 2025-08-23 20:03:56 +02:00 将 35 次代码提交从 harraiken_mm合并至 master
共有 2 个文件被更改,包括 2 次插入2 次删除
仅显示提交 e57985da8d 的更改 - 显示所有提交

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@@ -30,7 +30,7 @@
#define MM_PDI_SHIFT 21
#define MM_PPI_SHIFT 30
#define MM_PXI_SHIFT 39
#define MM_LA57_SHIFT 48
#define MM_P5I_SHIFT 48
/* Number of PTEs per page */
#define MM_PTE_PER_PAGE 512

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@@ -167,7 +167,7 @@ BlMapPage(IN PXTBL_PAGE_MAPPING PageMap,
while(NumberOfPages > 0)
{
/* Calculate the indices in the various Page Tables from the virtual address */
Pml5Entry = (VirtualAddress & ((ULONGLONG)0x1FF << MM_LA57_SHIFT)) >> MM_LA57_SHIFT;
Pml5Entry = (VirtualAddress & ((ULONGLONG)0x1FF << MM_P5I_SHIFT)) >> MM_P5I_SHIFT;
Pml4Entry = (VirtualAddress & ((ULONGLONG)0x1FF << MM_PXI_SHIFT)) >> MM_PXI_SHIFT;
Pml3Entry = (VirtualAddress & ((ULONGLONG)0x1FF << MM_PPI_SHIFT)) >> MM_PPI_SHIFT;
Pml2Entry = (VirtualAddress & ((ULONGLONG)0x1FF << MM_PDI_SHIFT)) >> MM_PDI_SHIFT;