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/DragonOS-0.1.8/kernel/src/libs/
Dkfifo.c15 int kfifo_alloc(struct kfifo_t *fifo, uint32_t size, uint64_t reserved) in kfifo_alloc() argument
18 fifo->buffer = kmalloc(size, 0); in kfifo_alloc()
22 fifo->total_size = size; in kfifo_alloc()
35 void kfifo_init(struct kfifo_t *fifo, void *buffer, uint32_t size) in kfifo_init() argument
40 fifo->total_size = size; in kfifo_init()
51 uint32_t kfifo_in(struct kfifo_t *fifo, const void *from, uint32_t size) in kfifo_in() argument
54 if (unlikely(fifo->size + size > fifo->total_size)) in kfifo_in()
60 if (fifo->in_offset + size > fifo->total_size) // 发生回环 in kfifo_in()
64 memcpy(fifo->buffer, from + tmp, size - tmp); in kfifo_in()
65 fifo->in_offset = size - tmp; in kfifo_in()
[all …]
Dstring.c84 long strncpy_from_user(char *dst, const char *src, unsigned long size) in strncpy_from_user() argument
86 if (!verify_area((uint64_t)src, size)) in strncpy_from_user()
89 strncpy(dst, src, size); in strncpy_from_user()
90 return size; in strncpy_from_user()
102 unsigned long size = strlen(src); in strnlen_user() local
104 if (!verify_area((uint64_t)src, size)) in strnlen_user()
107 return size <= maxlen ? size : maxlen; in strnlen_user()
Dglib.c38 void *memmove(void *dst, const void *src, uint64_t size) in memmove() argument
43 if (!size) in memmove()
48 return memcpy(dst, src, size); in memmove()
51 _src += size; in memmove()
52 _dst += size; in memmove()
55 while (size--) in memmove()
Dbitree.c30 root->size = (node == NULL) ? 0 : 1; in bt_create_tree()
94 ++root->size; in bt_insert()
193 --root->size; in bt_delete()
209 kfifo_alloc(&fifo, ((root->size + 1) / 2) * sizeof(struct bt_node_t *), 0); in bt_destroy_tree()
/DragonOS-0.1.8/kernel/src/common/
Dkfifo.h9 uint32_t size; // 元素所占的字节数 member
20 (fifo)->size = 0; \
30 (fifo)->size = 0; \
47 #define kfifo_size(fifo) ((fifo)->size)
55 #define kfifo_empty(fifo) (((fifo)->size == 0) ? 1 : 0)
63 #define kfifo_full(fifo) (((fifo)->size == (fifo)->total_size) ? 1 : 0)
73 int kfifo_alloc(struct kfifo_t *fifo, uint32_t size, uint64_t reserved);
89 void kfifo_init(struct kfifo_t *fifo, void *buffer, uint32_t size);
99 uint32_t kfifo_in(struct kfifo_t *fifo, const void *from, uint32_t size);
109 uint32_t kfifo_out(struct kfifo_t *fifo, void *to, uint32_t size);
[all …]
Dglib.h68 void *memset(void *dst, unsigned char C, ul size) in memset() argument
87 : "a"(tmp), "q"(size), "0"(size / 8), "1"(dst) in memset()
217 static inline uint64_t copy_from_user(void *dst, void *src, uint64_t size) in copy_from_user() argument
220 if (!verify_area((uint64_t)src, size)) in copy_from_user()
232 : "=&c"(size), "=&D"(tmp0), "=&S"(tmp1) in copy_from_user()
233 : "r"(size & 7), "0"(size >> 3), "1"(dst), "2"(src) in copy_from_user()
235 return size; in copy_from_user()
246 static inline uint64_t copy_to_user(void *dst, void *src, uint64_t size) in copy_to_user() argument
249 if (verify_area((uint64_t)src, size)) in copy_to_user()
265 memcpy(dst,src,size); in copy_to_user()
[all …]
Dcompiler.h49 static __always_inline void __read_once_size(void *dst, const volatile void *src, int size) in __read_once_size() argument
51 switch (size) in __read_once_size()
67 __builtin_memcpy((void *)dst, (const void *)src, size); in __read_once_size()
80 static __always_inline void __write_once_size(volatile void *dst, void *src, int size) in __write_once_size() argument
82 switch (size) in __write_once_size()
98 __builtin_memcpy((void *)dst, (const void *)src, size); in __write_once_size()
Dhid.h91 int size; // 路径中的节点数目 member
106 int size; // size of data in bits member
/DragonOS-0.1.8/user/libs/libc/src/
Dmalloc.c67 static malloc_mem_chunk_t *malloc_query_free_chunk_bf(uint64_t size) in malloc_query_free_chunk_bf() argument
82 if (ptr->length == size) in malloc_query_free_chunk_bf()
88 if (ptr->length > size) in malloc_query_free_chunk_bf()
107 static malloc_mem_chunk_t *malloc_query_free_chunk_ff(uint64_t size) in malloc_query_free_chunk_ff() argument
115 if (ptr->length >= size) in malloc_query_free_chunk_ff()
130 static int malloc_enlarge(int64_t size) in malloc_enlarge() argument
142 if (free_space < size) // 现有堆空间不足 in malloc_enlarge()
144 if (sbrk(size - free_space) != (void *)(-1)) in malloc_enlarge()
272 void *malloc(ssize_t size) in malloc() argument
276 if (size + sizeof(uint64_t) <= sizeof(malloc_mem_chunk_t)) in malloc()
[all …]
Dstring.c36 void *memset(void *dst, unsigned char C, uint64_t size) in memset() argument
55 : "a"(tmp), "q"(size), "0"(size / 8), "1"(dst) in memset()
/DragonOS-0.1.8/kernel/src/mm/
Dc_adapter.rs29 pub unsafe extern "C" fn rs_pseudo_map_phys(vaddr: usize, paddr: usize, size: usize) { in rs_pseudo_map_phys()
32 let count = PageFrameCount::new(page_align_up(size) / MMArch::PAGE_SIZE); in rs_pseudo_map_phys()
38 pub unsafe extern "C" fn rs_map_phys(vaddr: usize, paddr: usize, size: usize, flags: usize) { in rs_map_phys()
41 let count = PageFrameCount::new(page_align_up(size) / MMArch::PAGE_SIZE); in rs_map_phys()
67 pub unsafe extern "C" fn kzalloc(size: usize, _gfp: gfp_t) -> usize { in kzalloc()
69 return do_kmalloc(size, true); in kzalloc()
73 pub unsafe extern "C" fn kmalloc(size: usize, _gfp: gfp_t) -> usize { in kmalloc()
76 return do_kmalloc(size, true); in kmalloc()
79 fn do_kmalloc(size: usize, zero: bool) -> usize { in do_kmalloc()
81 vec![0u8; size] in do_kmalloc()
[all …]
Dslab.h12 extern void *kmalloc(unsigned long size, gfp_t gfp);
21 extern void *kzalloc(size_t size, gfp_t gfp);
Dmod.rs317 pub size: usize, field
469 size: usize, field
475 pub fn new(start: VirtAddr, size: usize) -> Self { in new()
476 VirtRegion { start, size } in new()
488 return self.start().add(self.size); in end()
498 let size = end.data() - start.data(); in between() localVariable
499 return Some(VirtRegion::new(start, size)); in between()
518 pub fn size(&self) -> usize { in size() method
519 self.size in size()
524 pub fn set_size(&mut self, size: usize) { in set_size()
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Dmmio.h4 extern void mmio_create(uint32_t size, uint64_t vm_flagsu, uint64_t* res_vaddr, uint64_t* res_lengt…
/DragonOS-0.1.8/kernel/src/ktest/
Dtest-kfifo.c23 assert(fifo.size == 0); in ktest_kfifo_case0_1()
38 assert(fifo.size == 10 * sizeof(uint64_t)); in ktest_kfifo_case0_1()
47 assert(fifo.size == (10 - i) * sizeof(uint64_t)); in ktest_kfifo_case0_1()
61 assert(fifo.size == 0); in ktest_kfifo_case0_1()
70 assert(fifo.size == 31 * sizeof(uint64_t)); in ktest_kfifo_case0_1()
78 assert(fifo.size == 31 * sizeof(uint64_t)); in ktest_kfifo_case0_1()
88 assert(fifo.size == fifo.total_size); in ktest_kfifo_case0_1()
99 assert(fifo.size == (fifo.total_size - 20 * sizeof(uint64_t))); in ktest_kfifo_case0_1()
115 assert(fifo.size == 22 * sizeof(uint64_t)); in ktest_kfifo_case0_1()
123 assert(fifo.size == 2 * (sizeof(uint64_t))); in ktest_kfifo_case0_1()
[all …]
Dtest-bitree.c53 assert(tree->size == 1); in ktest_bitree_case1()
60 int last_size = tree->size; in ktest_bitree_case1()
63 assert(last_size + 1 == tree->size); in ktest_bitree_case1()
69 int last_size = tree->size; in ktest_bitree_case1()
72 assert(last_size + 1 == tree->size); in ktest_bitree_case1()
91 int last_size = tree->size; in ktest_bitree_case1()
94 assert(last_size + 1 == tree->size); in ktest_bitree_case1()
/DragonOS-0.1.8/kernel/src/driver/hid/
Dhidparse.c61 static __always_inline uint32_t __format_value(uint32_t value, uint8_t size) in __format_value() argument
63 switch (size) in __format_value()
186 parser->data.path.node[parser->data.path.size].u_page = parser->usage_table[0].u_page; in hid_parse()
187 parser->data.path.node[parser->data.path.size].usage = parser->usage_table[0].usage; in hid_parse()
188 ++parser->data.path.size; in hid_parse()
197 parser->data.path.node[parser->data.path.size].u_page = 0xff; in hid_parse()
198 parser->data.path.node[parser->data.path.size].usage = parser->value & 0x7f; in hid_parse()
199 ++parser->data.path.size; in hid_parse()
208 --parser->data.path.size; // 为什么要--？？？？？ in hid_parse()
210 if (parser->data.path.node[parser->data.path.size].u_page == 0xff) in hid_parse()
[all …]
/DragonOS-0.1.8/kernel/src/driver/multiboot2/
Dmultiboot2.h124 unsigned int size; member
130 unsigned int size; member
138 unsigned int size; member
150 unsigned int size; member
159 unsigned int size; member
168 unsigned int size; member
179 unsigned int size; member
186 unsigned int size; member
213 unsigned int size; member
411 unsigned int size; member
Dmultiboot2.c27 tag = (struct iter_data_t *)((uint8_t *)tag + ALIGN(tag->size, 8))) in multiboot2_iter()
64 for (; (uint8_t *)mmap < (uint8_t *)_iter_data + _iter_data->size; in multiboot2_get_memory()
/DragonOS-0.1.8/kernel/src/driver/acpi/
Dacpi.c178 uint64_t size = 0; in acpi_init() local
179 mmio_create(PAGE_2M_SIZE, VM_IO | VM_DONTCOPY, &acpi_rsdt_virt_addr_base, &size); in acpi_init()
198 mmio_create(PAGE_2M_SIZE, VM_IO | VM_DONTCOPY, &acpi_description_header_base, &size); in acpi_init()
217 uint64_t size = 0; in acpi_init() local
218 mmio_create(PAGE_2M_SIZE, VM_IO | VM_DONTCOPY, &acpi_rsdt_virt_addr_base, &size); in acpi_init()
220 …: mmio created. acpi_rsdt_virt_addr_base = %#018lx,size= %#010lx", acpi_rsdt_virt_addr_base, size); in acpi_init()
241 mmio_create(PAGE_2M_SIZE, VM_IO | VM_DONTCOPY, &acpi_description_header_base, &size); in acpi_init()
/DragonOS-0.1.8/kernel/src/driver/video/
Dvideo.c39 …me_buffer_info.vaddr, __fb_info.framebuffer_addr, video_frame_buffer_info.size, PAGE_KERNEL_PAGE |… in init_frame_buffer()
64 video_refresh_target->size); in video_refresh_daemon()
181 video_frame_buffer_info.size = in video_init()
188 …_map_phys(video_frame_buffer_info.vaddr, __fb_info.framebuffer_addr, video_frame_buffer_info.size); in video_init()
/DragonOS-0.1.8/docs/kernel/core_api/
Ddata_structures.md12 `int kfifo_alloc(struct kfifo_t *fifo, uint32_t size, uint64_t reserved)`
24 **size**
38 `void kfifo_init(struct kfifo_t *fifo, void *buffer, uint32_t size)`
54 **size**
74 `uint32_t kfifo_in(struct kfifo_t *fifo, const void *from, uint32_t size)`
90 **size**
100 `uint32_t kfifo_out(struct kfifo_t *fifo, void *to, uint32_t size)`
116 **size**
126 `uint32_t kfifo_out_peek(struct kfifo_t *fifo, void *to, uint32_t size)`
142 **size**
/DragonOS-0.1.8/kernel/src/arch/x86_64/include/asm/
Dcmpxchg.h20 #define __raw_try_cmpxchg(_ptr, _old_ptr, _new, size) \ argument
26 switch (size) \
/DragonOS-0.1.8/user/libs/libc/src/include/export/
Dstdlib.h14 void *malloc(ssize_t size);
/DragonOS-0.1.8/docs/userland/libc/apis/api-list/
Dstdlib.md8 ``void *malloc(ssize_t size)`` ： 普通的 ``malloc``

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