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Searched refs:ptr (Results 1 – 25 of 73) sorted by relevance

123

/DragonOS/kernel/src/arch/x86_64/init/pvh/
H A Dparam.rs200 let ptr = UNINIT.as_ptr(); in bindgen_test_layout_hvm_start_info() localVariable
212 unsafe { ::std::ptr::addr_of!((*ptr).magic) as usize - ptr as usize }, in bindgen_test_layout_hvm_start_info()
222 unsafe { ::std::ptr::addr_of!((*ptr).version) as usize - ptr as usize }, in bindgen_test_layout_hvm_start_info()
232 unsafe { ::std::ptr::addr_of!((*ptr).flags) as usize - ptr as usize }, in bindgen_test_layout_hvm_start_info()
242 unsafe { ::std::ptr::addr_of!((*ptr).nr_modules) as usize - ptr as usize }, in bindgen_test_layout_hvm_start_info()
252 unsafe { ::std::ptr::addr_of!((*ptr).modlist_paddr) as usize - ptr as usize }, in bindgen_test_layout_hvm_start_info()
262 unsafe { ::std::ptr::addr_of!((*ptr).cmdline_paddr) as usize - ptr as usize }, in bindgen_test_layout_hvm_start_info()
272 unsafe { ::std::ptr::addr_of!((*ptr).rsdp_paddr) as usize - ptr as usize }, in bindgen_test_layout_hvm_start_info()
282 unsafe { ::std::ptr::addr_of!((*ptr).memmap_paddr) as usize - ptr as usize }, in bindgen_test_layout_hvm_start_info()
292 unsafe { ::std::ptr::addr_of!((*ptr).memmap_entries) as usize - ptr as usize }, in bindgen_test_layout_hvm_start_info()
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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 pub(super) 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};
54 ptr: *mut u8, in deallocate()
57 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/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/kernel/crates/rust-slabmalloc/src/
H A Dsc.rs201 let ptr = slab_page.allocate(sc_layout); in try_allocate_from_pagelist() localVariable
202 if !ptr.is_null() { in try_allocate_from_pagelist()
208 return ptr; in try_allocate_from_pagelist()
220 ptr::null_mut() in try_allocate_from_pagelist()
273 let ptr = { in allocate() localVariable
276 let ptr = self.try_allocate_from_pagelist(new_layout); in allocate() localVariable
277 if ptr.is_null() && self.empty_slabs.head.is_some() { in allocate()
282 let ptr = empty_page.allocate(layout); in allocate() localVariable
283 debug_assert!(!ptr.is_null(), "Allocation must have succeeded here."); in allocate()
292 ptr in allocate()
[all …]
H A Dlib.rs40 use core::ptr::{self, NonNull};
70 ptr: NonNull<u8>, 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()
452 if core::ptr::eq(slab_page, s) { in contains()
496 Rawlink { p: ptr::null_mut() } in default()
503 Rawlink { p: ptr::null_mut() } in none()
/DragonOS/kernel/crates/kprobe/src/arch/rv64/
H A Dmod.rs57 core::ptr::write(address as *mut u16, inst_16); in drop()
60 core::ptr::write(address as *mut u32, inst_32); in drop()
91 let inst_16 = unsafe { core::ptr::read(address as *const u16) }; in replace_inst()
107 core::ptr::write(address as *mut u16, C_EBREAK_INST as u16); in replace_inst()
110 core::ptr::write(inst_tmp_ptr as *mut u16, inst_16); in replace_inst()
111 core::ptr::write((inst_tmp_ptr + 2) as *mut u16, C_EBREAK_INST as u16); in replace_inst()
114 let inst_32 = unsafe { core::ptr::read(address as *const u32) }; in replace_inst()
117 core::ptr::write(address as *mut u32, EBREAK_INST); in replace_inst()
120 core::ptr::write(inst_tmp_ptr as *mut u32, inst_32); in replace_inst()
121 core::ptr::write((inst_tmp_ptr + 4) as *mut u32, EBREAK_INST); in replace_inst()
/DragonOS/kernel/crates/kprobe/src/arch/loongarch64/
H A Dmod.rs45 let inst_32 = unsafe { core::ptr::read(inst_tmp_ptr as *const u32) }; in drop()
47 core::ptr::write(address as *mut u32, inst_32); in drop()
79 let inst_32 = unsafe { core::ptr::read(address as *const u32) }; in replace_inst()
81 core::ptr::write(address as *mut u32, EBREAK_INST); in replace_inst()
84 core::ptr::write(inst_tmp_ptr as *mut u32, inst_32); in replace_inst()
85 core::ptr::write((inst_tmp_ptr + 4) as *mut u32, EBREAK_INST); in replace_inst()
/DragonOS/kernel/src/bpf/prog/
H A Dverifier.rs53 let ptr = match src_reg as u32 { in relocation() localVariable
101 if let Some(ptr) = ptr { in relocation()
104 insn.imm = ptr as i32; in relocation()
105 next_insn.imm = (ptr >> 32) as i32; in relocation()
121 for ptr in raw_file_ptr { in relocation()
122 self.prog.insert_map(ptr); in relocation()
/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/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/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/perf/
H A Dbpf.rs38 ptr: usize, field
47 ptr: 0, in empty()
59 fn init(ptr: *mut u8, size: usize, phys_addr: PhysAddr) -> Self { in init()
64 let perf_event_mmap_page = &mut *(ptr as *mut perf_event_mmap_page); in init()
74 ptr: ptr as usize, in init()
96 let data_tail = unsafe { &mut (*(self.ptr as *mut perf_event_mmap_page)).data_tail }; in write_event()
97 let data_head = unsafe { &mut (*(self.ptr as *mut perf_event_mmap_page)).data_head }; in write_event()
207 let data_tail = unsafe { &(*(self.ptr as *mut perf_event_mmap_page)).data_tail }; in readable()
208 let data_head = unsafe { &(*(self.ptr as *mut perf_event_mmap_page)).data_head }; in readable()
212 unsafe { core::slice::from_raw_parts(self.ptr as *const u8, self.size) } in as_slice()
[all …]
/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/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/crates/kprobe/src/arch/x86/
H A Dmod.rs29 core::ptr::copy( in drop()
88 core::ptr::copy( in replace_inst()
104 core::ptr::write_volatile(address as *mut u8, EBREAK_INST); in replace_inst()
/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/namespaces/
H A Dmod.rs83 ($ptr:expr, $struct:path, $field:ident) => {
89 Arc::from_raw(($ptr as *const u8).wrapping_sub(offset) as *mut $struct)
/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()

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