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Searched refs:ptr (Results 1 – 25 of 58) sorted by relevance

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/DragonOS/kernel/src/mm/allocator/
H A Dkernel_allocator.rs13 ptr::NonNull,
26 unsafe fn local_dealloc(&self, ptr: *mut u8, layout: Layout); in local_dealloc()
54 unsafe fn free_in_buddy(&self, ptr: *mut u8, layout: Layout) { in free_in_buddy()
58 let phy_addr = MMArch::virt_2_phys(VirtAddr::new(ptr as usize)).unwrap(); in free_in_buddy()
70 .unwrap_or(core::ptr::null_mut()); in local_alloc()
75 return core::ptr::null_mut(); in local_alloc()
84 let ptr: *mut u8 = x.as_mut_ptr(); in local_alloc_zeroed() localVariable
85 core::ptr::write_bytes(ptr, 0, x.len()); in local_alloc_zeroed()
86 ptr in local_alloc_zeroed()
88 .unwrap_or(core::ptr::null_mut()); in local_alloc_zeroed()
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H A Dslab.rs1 use core::{alloc::Layout, ptr::NonNull, sync::atomic::AtomicBool};
50 ptr: *mut u8, in deallocate()
53 if let Some(nptr) = NonNull::new(ptr) { in deallocate()
/DragonOS/kernel/src/common/
H A Derr.h15 static inline long __must_check IS_ERR(const void* ptr) in IS_ERR() argument
17 return IS_ERR_VALUE((uint64_t)ptr); in IS_ERR()
27 static inline long __must_check IS_ERR_OR_NULL(const void* ptr) in IS_ERR_OR_NULL() argument
29 return !ptr || IS_ERR_VALUE((uint64_t)ptr); in IS_ERR_OR_NULL()
43 static inline long __must_check PTR_ERR(void * ptr) in PTR_ERR() argument
45 return (long)ptr; in PTR_ERR()
H A Dglib.h25 #define container_of(ptr, type, member) \ argument
27 typeof(((type *)0)->member) *p = (ptr); \
/DragonOS/kernel/src/arch/x86_64/include/asm/
H A Dcmpxchg.h33 [ptr] "+m"(*__ptr), \
44 [ptr] "+m"(*__ptr), \
55 [ptr] "+m"(*__ptr), \
66 [ptr] "+m"(*__ptr), \
80 #define arch_try_cmpxchg(ptr, old_ptr, new) \ argument
81 __raw_try_cmpxchg((ptr), (old_ptr), (new), sizeof(*ptr))
83 bool __try_cmpxchg_q(uint64_t *ptr, uint64_t *old_ptr, uint64_t *new_ptr);
/DragonOS/kernel/crates/rust-slabmalloc/src/
H A Dsc.rs193 let ptr = slab_page.allocate(sc_layout); in try_allocate_from_pagelist() localVariable
194 if !ptr.is_null() { in try_allocate_from_pagelist()
200 return ptr; in try_allocate_from_pagelist()
212 ptr::null_mut() in try_allocate_from_pagelist()
264 let ptr = { in allocate() localVariable
267 let ptr = self.try_allocate_from_pagelist(new_layout); in allocate() localVariable
268 if ptr.is_null() && self.empty_slabs.head.is_some() { in allocate()
273 let ptr = empty_page.allocate(layout); in allocate() localVariable
274 debug_assert!(!ptr.is_null(), "Allocation must have succeeded here."); in allocate()
283 ptr in allocate()
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H A Dlib.rs40 use core::ptr::{self, NonNull};
68 fn deallocate(&mut self, ptr: NonNull<u8>, layout: Layout) -> Result<(), AllocationError>; in deallocate()
H A Dpages.rs224 None => ptr::null_mut(), in allocate()
239 fn deallocate(&self, ptr: NonNull<u8>, layout: Layout) -> Result<(), AllocationError> { in deallocate()
242 ptr, in deallocate()
246 let page_offset = ((ptr.as_ptr() as usize) - align_offset) & (Self::SIZE - 1); in deallocate()
252 ptr in deallocate()
438 if core::ptr::eq(slab_page, s) { in contains()
482 Rawlink { p: ptr::null_mut() } in default()
489 Rawlink { p: ptr::null_mut() } in none()
/DragonOS/kernel/src/libs/
H A Dvolatile.rs3 unsafe { core::ptr::read_volatile(core::ptr::addr_of!($data)) }
9 unsafe { core::ptr::write_volatile(core::ptr::addr_of_mut!($data), $value) }
21 true => core::ptr::read_volatile(core::ptr::addr_of!($data)) | $val,
22 false => core::ptr::read_volatile(core::ptr::addr_of!($data)) & (!$val),
150 crate::libs::volatile::VolatileReadable::vread(core::ptr::addr_of!(
172 core::ptr::addr_of_mut!((*$nonnull.as_ptr()).$field),
H A Dalign.rs4 use core::{alloc::GlobalAlloc, fmt::Debug, ptr::Unique};
53 let ptr = unsafe { KERNEL_ALLOCATOR.alloc_zeroed(Self::LAYOUT) }; in new_zeroed() localVariable
54 if ptr.is_null() { in new_zeroed()
58 inner: unsafe { Unique::new_unchecked(ptr.cast()) }, in new_zeroed()
63 pub unsafe fn new_unchecked(ptr: *mut T) -> Self { in new_unchecked()
65 inner: Unique::new_unchecked(ptr), in new_unchecked()
87 core::ptr::drop_in_place(self.inner.as_ptr()); in drop()
/DragonOS/docs/kernel/core_api/
H A Dkernel_api.md129 ### `list_entry(ptr, type, member)`
133 &emsp;&emsp;该宏能通过ptr指向的List获取到List所处的结构体的地址
137 **ptr**
149 ### `list_first_entry(ptr, type, member)`
159 ### `list_first_entry_or_null(ptr, type, member)`
169 ### `list_last_entry(ptr, type, member)`
179 ### `list_last_entry_or_full(ptr, type, member)`
217 ### `list_for_each(ptr, head)`
225 **ptr**
233 ### `list_for_each_prev(ptr, head)`
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/DragonOS/kernel/src/arch/riscv64/
H A Dcpu.rs19 let ptr: *const LocalContext = riscv::register::tp::read() as *const LocalContext; in current_cpu_id() localVariable
21 if core::intrinsics::unlikely(ptr.is_null()) { in current_cpu_id()
25 unsafe { (*ptr).current_cpu() } in current_cpu_id()
99 let ptr = self as *const Self as usize; in sync_to_cpu() localVariable
103 riscv::register::tp::write(ptr); in sync_to_cpu()
/DragonOS/kernel/src/arch/x86_64/asm/
H A Dcmpxchg.c3 bool __try_cmpxchg_q(uint64_t *ptr, uint64_t *old_ptr, uint64_t *new_ptr) in __try_cmpxchg_q() argument
5 bool success = __raw_try_cmpxchg(ptr, old_ptr, *new_ptr, 8); in __try_cmpxchg_q()
/DragonOS/user/apps/test-for-robustfutex/src/
H A Dmain.rs8 ptr::{self, NonNull},
194 list: RobustList { next: ptr::null() }, in set_list()
196 list_op_pending: ptr::null(), in set_list()
235 list: RobustList { next: ptr::null() }, in test01()
237 list_op_pending: ptr::null(), in test01()
243 ptr::null_mut::<c_void>(), in test01()
315 ptr::null_mut::<c_void>(), in test02()
328 ptr::null_mut::<c_void>(), in test02()
/DragonOS/kernel/crates/multiboot/src/
H A Dlib.rs430 ptr: usize, field
436 unsafe { (self.ptr as *const u32).read_unaligned() } in size()
441 unsafe { ((self.ptr + 4) as *const u64).read_unaligned() } in base_addr()
446 unsafe { ((self.ptr + 12) as *const u64).read_unaligned() } in length()
450 let typ_val = unsafe { ((self.ptr + 20) as *const u8).read_unaligned() }; in memory_type()
477 let entry = MemoryEntry { ptr: self.cur_ptr }; in next()
/DragonOS/kernel/src/mm/
H A Dc_adapter.rs36 let (ptr, len, cap) = space.into_raw_parts(); in do_kmalloc()
37 if !ptr.is_null() { in do_kmalloc()
38 let vaddr = VirtAddr::new(ptr as usize); in do_kmalloc()
/DragonOS/kernel/src/driver/net/
H A Ddma.rs13 use core::ptr::NonNull;
26 core::ptr::write_bytes(virt.data() as *mut u8, 0, count.data() * MMArch::PAGE_SIZE); in dma_alloc()
/DragonOS/kernel/src/driver/irqchip/
H A Driscv_sifive_plic.rs18 ptr::{read_volatile, write_volatile},
144 core::ptr::write_volatile( in set_threshold()
179 core::ptr::write_volatile(reg, core::ptr::read_volatile(reg) | hwirq_mask); in toggle()
183 core::ptr::write_volatile(reg, core::ptr::read_volatile(reg) & !hwirq_mask); in toggle()
268 core::ptr::write_volatile( in irq_unmask()
291 core::ptr::write_volatile( in irq_mask()
493 core::ptr::write_volatile( in do_riscv_sifive_plic_init()
/DragonOS/kernel/src/process/
H A Dkthread.rs223 let ptr = Arc::into_raw(self); in generate_unsafe_arc_ptr() localVariable
224 return ptr; in generate_unsafe_arc_ptr()
227 pub unsafe fn parse_unsafe_arc_ptr(ptr: *const Self) -> Arc<Self> { in parse_unsafe_arc_ptr()
228 let arc = Arc::from_raw(ptr); in parse_unsafe_arc_ptr()
495 pub unsafe extern "C" fn kernel_thread_bootstrap_stage2(ptr: *const KernelThreadCreateInfo) -> ! { in kernel_thread_bootstrap_stage2()
496 let info = KernelThreadCreateInfo::parse_unsafe_arc_ptr(ptr); in kernel_thread_bootstrap_stage2()
/DragonOS/kernel/src/driver/virtio/
H A Dvirtio_impl.rs13 use core::ptr::NonNull;
33 core::ptr::write_bytes(virt.data() as *mut u8, 0, count.data() * MMArch::PAGE_SIZE); in dma_alloc()
/DragonOS/kernel/src/driver/disk/ahci/
H A Dhba.rs1 use core::{intrinsics::size_of, ptr};
202 ptr::write_bytes( in init()
217 ptr::write_bytes( in init()
240 ptr::write_bytes( in init()
/DragonOS/kernel/src/libs/futex/
H A Dfutex.rs164 ptr: u64, field
521 ptr: 0, in get_futex_key()
535 ptr: 0, in get_futex_key()
619 let ptr = atomic_addr.as_ptr(); in arch_futex_atomic_op_inuser() localVariable
622 *((*ptr) as *mut u32) = oparg; in arch_futex_atomic_op_inuser()
625 *((*ptr) as *mut u32) += oparg; in arch_futex_atomic_op_inuser()
628 *((*ptr) as *mut u32) |= oparg; in arch_futex_atomic_op_inuser()
631 *((*ptr) as *mut u32) &= oparg; in arch_futex_atomic_op_inuser()
634 *((*ptr) as *mut u32) ^= oparg; in arch_futex_atomic_op_inuser()
/DragonOS/kernel/src/arch/riscv64/process/
H A Dkthread.rs119 fn jump_to_stage2(ptr: *const KernelThreadCreateInfo) { in jump_to_stage2()
120 unsafe { kernel_thread_bootstrap_stage2(ptr) }; in jump_to_stage2()
/DragonOS/kernel/src/arch/x86_64/smp/
H A Dmod.rs242 core::ptr::copy( in copy_smp_start_code()
275 let ptr = vaddr.data() as *mut u64; in arch_init() localVariable
276 unsafe { *ptr = addr.data() as u64 }; in arch_init()
/DragonOS/tools/debugging/logmonitor/src/backend/monitor/
H A Dmod.rs24 let x = unsafe { std::ptr::read(buf.as_ptr() as *const T) }; in new()

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