28 uint64_t mm_get_PDE(ul proc_page_table_addr, bool is_phys, ul virt_addr, bool clear);
51     memory_management_struct.kernel_code_start = (ul)&_text;  in mm_init()
52     memory_management_struct.kernel_code_end = (ul)&_etext;  in mm_init()
53     memory_management_struct.kernel_data_end = (ul)&_edata;  in mm_init()
54     memory_management_struct.rodata_end = (ul)&_erodata;  in mm_init()
55     memory_management_struct.start_brk = (ul)&_end;  in mm_init()
90         ul addr_start = PAGE_2M_ALIGN(memory_management_struct.e820[i].BaseAddr);  in mm_init()
92 …ul addr_end = ((memory_management_struct.e820[i].BaseAddr + memory_management_struct.e820[i].Lengt…  in mm_init()
103 …ul max_addr = memory_management_struct.e820[memory_management_struct.len_e820].BaseAddr + memory_m…  in mm_init()
126 …memory_management_struct.zones_struct = (struct Zone *)(((ul)memory_management_struct.pages_struct…  in mm_init()
132 …gement_struct.zones_struct_len = (10 * sizeof(struct Zone) + sizeof(ul) - 1) & (~(sizeof(ul) - 1));  in mm_init()
143         ul addr_start = PAGE_2M_ALIGN(memory_management_struct.e820[i].BaseAddr);  in mm_init()
144 …ul addr_end = (memory_management_struct.e820[i].BaseAddr + memory_management_struct.e820[i].Length…  in mm_init()
196 …memory_management_struct.count_zones * sizeof(struct Zone) + sizeof(ul) - 1) & (~(sizeof(ul) - 1));  in mm_init()
204 …memory_management_struct.end_of_struct = (ul)((ul)memory_management_struct.zones_struct + memory_m…  in mm_init()
207 …ul mms_max_page = (virt_2_phys(memory_management_struct.end_of_struct) >> PAGE_2M_SHIFT); // 内存管理单…  in mm_init()
211     ul page_num;  in mm_init()
213     for (ul j = 1; j <= mms_max_page; ++j)  in mm_init()
238     initial_mm.data_addr_start = (ul)&_data;  in mm_init()
241     initial_mm.rodata_addr_start = (ul)&_rodata;  in mm_init()
242     initial_mm.rodata_addr_end = (ul)&_erodata;  in mm_init()
266 unsigned long page_init(struct Page *page, ul flags)  in page_init()
290 struct Page *alloc_pages(unsigned int zone_select, int num, ul flags)  in alloc_pages()
292     ul zone_start = 0, zone_end = 0;  in alloc_pages()
299     ul attr = flags;  in alloc_pages()
333         ul page_start = (z->zone_addr_start >> PAGE_2M_SHIFT);  in alloc_pages()
334         ul page_end = (z->zone_addr_end >> PAGE_2M_SHIFT);  in alloc_pages()
336         ul tmp = 64 - page_start % 64;  in alloc_pages()
337         for (ul j = page_start; j < page_end; j += ((j % 64) ? tmp : 64))  in alloc_pages()
341             ul *p = memory_management_struct.bmp + (j >> 6);  in alloc_pages()
343             ul shift = j % 64;  in alloc_pages()
344             ul tmp_num = ((1UL << num) - 1);  in alloc_pages()
345             for (ul k = shift; k < 64; ++k)  in alloc_pages()
351                     ul start_page_num = j + k - shift; // 计算得到要开始获取的内存页的页号  in alloc_pages()
352                     for (ul l = 0; l < num; ++l)  in alloc_pages()
399 ul get_page_attr(struct Page *page)  in get_page_attr()
417 ul set_page_attr(struct Page *page, ul flags)  in set_page_attr()
451     ul page_num;  in free_pages()
473     ul *global_CR3 = get_CR3();  in page_table_init()
476     ul *tmp_addr;  in page_table_init()
487 …mm_map_proc_page_table((uint64_t)get_CR3(), true, (ul)phys_2_virt(p->addr_phys), p->addr_phys, PAG…  in page_table_init()
530 uint64_t mm_get_PDE(ul proc_page_table_addr, bool is_phys, ul virt_addr, bool clear)  in mm_get_PDE()
532     ul *tmp;  in mm_get_PDE()
534 …tmp = phys_2_virt((ul *)((ul)proc_page_table_addr & (~0xfffUL)) + ((virt_addr >> PAGE_GDT_SHIFT) &…  in mm_get_PDE()
536 …     tmp = (ul *)((ul)proc_page_table_addr & (~0xfffUL)) + ((virt_addr >> PAGE_GDT_SHIFT) & 0x1ff);  in mm_get_PDE()
542     tmp = phys_2_virt((ul *)(*tmp & (~0xfffUL)) + ((virt_addr >> PAGE_1G_SHIFT) & 0x1ff));  in mm_get_PDE()
549     tmp = phys_2_virt(((ul *)(*tmp & (~0xfffUL)) + (((ul)(virt_addr) >> PAGE_2M_SHIFT) & 0x1ff)));  in mm_get_PDE()
597         ul page_start = (z->zone_addr_start >> PAGE_2M_SHIFT);  in mm_find_page()
598         ul page_end = (z->zone_addr_end >> PAGE_2M_SHIFT);  in mm_find_page()
600         ul tmp = 64 - page_start % 64;  in mm_find_page()
601         for (ul j = page_start; j < page_end; j += ((j % 64) ? tmp : 64))  in mm_find_page()
605             ul *p = memory_management_struct.bmp + (j >> 6);  in mm_find_page()
607             ul shift = j % 64;  in mm_find_page()
608             for (ul k = shift; k < 64; ++k)  in mm_find_page()