51 static KERNEL_PML4E_NO: usize = (X86_64MMArch::PHYS_OFFSET & ((1 << 48) - 1)) >> 39;
57     kernel_code_start: usize,
58     kernel_code_end: usize,
59     kernel_data_end: usize,
60     kernel_rodata_end: usize,
61     start_brk: usize,
84     const PAGE_SHIFT: usize = 12;
87     const PAGE_ENTRY_SHIFT: usize = 9;
90     const PAGE_LEVELS: usize = 4;
95     const ENTRY_ADDRESS_SHIFT: usize = 52;
97     const ENTRY_FLAG_DEFAULT_PAGE: usize = Self::ENTRY_FLAG_PRESENT;
99     const ENTRY_FLAG_DEFAULT_TABLE: usize = Self::ENTRY_FLAG_PRESENT;
101     const ENTRY_FLAG_PRESENT: usize = 1 << 0;
103     const ENTRY_FLAG_READONLY: usize = 0;
105     const ENTRY_FLAG_READWRITE: usize = 1 << 1;
107     const ENTRY_FLAG_USER: usize = 1 << 2;
109     const ENTRY_FLAG_WRITE_THROUGH: usize = 1 << 3;
111     const ENTRY_FLAG_CACHE_DISABLE: usize = 1 << 4;
113     const ENTRY_FLAG_NO_EXEC: usize = 1 << 63;
115     const ENTRY_FLAG_EXEC: usize = 0;
119     const PHYS_OFFSET: usize = Self::PAGE_NEGATIVE_MASK + (Self::PAGE_ADDRESS_SIZE >> 1);
138             kernel_code_start: _text as usize,  in init()
139             kernel_code_end: _etext as usize,  in init()
140             kernel_data_end: _edata as usize,  in init()
141             kernel_rodata_end: _erodata as usize,  in init()
142             start_brk: _end as usize,  in init()
173         let paddr: usize;  in table()
229     unsafe fn init_memory_area_from_multiboot2() -> Result<usize, SystemError> {  in init_memory_area_from_multiboot2()
237             &mut mb2_mem_info as *mut [multiboot_mmap_entry_t; 512] as usize as *mut c_void,  in init_memory_area_from_multiboot2()
242         let mb2_count = mb2_count as usize;  in init_memory_area_from_multiboot2()
252                 total_mem_size += mb2_mem_info[i].len as usize;  in init_memory_area_from_multiboot2()
253                 PHYS_MEMORY_AREAS[areas_count].base = PhysAddr::new(mb2_mem_info[i].addr as usize);  in init_memory_area_from_multiboot2()
254                 PHYS_MEMORY_AREAS[areas_count].size = mb2_mem_info[i].len as usize;  in init_memory_area_from_multiboot2()
438     const TOTAL_SIZE: usize = 200 * 1024 * 1024;  in test_buddy()
460                 core::cmp::min(page_align_up(random_size as usize), TOTAL_SIZE - allocated);  in test_buddy()
486                 slice[i] = ((i + unsafe { rdtsc() } as usize) % 256) as u8;  in test_buddy()
498                 let random_index = random_index as usize;  in test_buddy()
589     const REMAP_SIZE: usize = 32 * 1024 * 1024;