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/DragonOS/kernel/src/common/
H A Dcompiler.h49 static __always_inline void __read_once_size(void *dst, const volatile void *src, int size) in __read_once_size() argument
54 *(__u8_alias_t *)dst = *(volatile __u8_alias_t *)src; in __read_once_size()
57 *(__u16_alias_t *)dst = *(volatile __u16_alias_t *)src; in __read_once_size()
60 *(__u32_alias_t *)dst = *(volatile __u32_alias_t *)src; in __read_once_size()
63 *(__u64_alias_t *)dst = *(volatile __u64_alias_t *)src; 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
85 *(volatile __u8_alias_t *)dst = *(__u8_alias_t *)src; in __write_once_size()
88 *(volatile __u16_alias_t *)dst = *(__u16_alias_t *)src; in __write_once_size()
91 *(volatile __u32_alias_t *)dst = *(__u32_alias_t *)src; in __write_once_size()
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/DragonOS/
H A Dtriagebot.toml67 trigger_files = ["kernel/src/filesystem"]
70 trigger_files = ["kernel/src/arch/x86_64"]
73 trigger_files = ["kernel/src/arch/riscv64"]
77 "kernel/src/driver",
78 "kernel/src/arch/x86_64/driver",
79 "kernel/src/arch/riscv64/driver",
83 trigger_files = ["kernel/src/virt", "kernel/src/arch/x86_64/kvm"]
89 "/kernel/src/debug/kprobe",
90 "/kernel/src/bpf",
110 [mentions."kernel/src/driver/base"]
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H A DREADME.md2 <img width="40%" src="docs/_static/dragonos-logo.svg" alt="dragonos-logo"></br>
5 <a href="https://dragonos.org"><img alt="官网" src="https://img.shields.io/badge/%E5%AE%98%E7%BD%91-D…
6 <a href="https://bbs.dragonos.org.cn"><img alt="bbs" src="https://img.shields.io/badge/BBS-bbs.drag…
/DragonOS/kernel/src/syscall/
H A Duser_access.rs38 pub unsafe fn copy_to_user(dest: VirtAddr, src: &[u8]) -> Result<usize, SystemError> { in copy_to_user()
39 verify_area(dest, src.len()).map_err(|_| SystemError::EFAULT)?; in copy_to_user()
43 p.copy_from_nonoverlapping(src.as_ptr(), src.len()); in copy_to_user()
44 return Ok(src.len()); in copy_to_user()
48 pub unsafe fn copy_from_user(dst: &mut [u8], src: VirtAddr) -> Result<usize, SystemError> { in copy_from_user()
49 verify_area(src, dst.len()).map_err(|_| SystemError::EFAULT)?; in copy_from_user()
51 let src: &[u8] = core::slice::from_raw_parts(src.data() as *const u8, dst.len()); in copy_from_user() localVariable
53 dst.copy_from_slice(src); in copy_from_user()
241 fn convert_with_offset<T>(&self, src: &[u8], offset: usize) -> Result<&[T], SystemError> { in convert_with_offset()
242 if offset >= src.len() { in convert_with_offset()
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/DragonOS/user/apps/user-manage/
H A DCargo.toml8 path = "src/cmd/useradd.rs"
12 path = "src/cmd/userdel.rs"
16 path = "src/cmd/usermod.rs"
20 path = "src/cmd/passwd.rs"
24 path = "src/cmd/groupadd.rs"
28 path = "src/cmd/groupdel.rs"
32 path = "src/cmd/groupmod.rs"
/DragonOS/kernel/crates/rbpf/src/
H A Djit.rs150 fn basix_rex_would_set_bits(&self, w: u8, src: u8, dst: u8) -> bool { in basix_rex_would_set_bits()
151 w != 0 || (src & 0b1000) != 0 || (dst & 0b1000) != 0 in basix_rex_would_set_bits()
164 fn emit_basic_rex(&self, mem: &mut JitMemory, w: u8, src: u8, dst: u8) { in emit_basic_rex()
165 if self.basix_rex_would_set_bits(w, src, dst) { in emit_basic_rex()
170 self.emit_rex(mem, w, is_masked(src, 8), 0, is_masked(dst, 8)); in emit_basic_rex()
187 fn emit_alu32(&self, mem: &mut JitMemory, op: u8, src: u8, dst: u8) { in emit_alu32()
188 self.emit_basic_rex(mem, 0, src, dst); in emit_alu32()
190 self.emit_modrm_reg2reg(mem, src, dst); in emit_alu32()
194 fn emit_alu32_imm32(&self, mem: &mut JitMemory, op: u8, src: u8, dst: u8, imm: i32) { in emit_alu32_imm32()
195 self.emit_alu32(mem, op, src, dst); in emit_alu32_imm32()
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H A Dassembler.rs154 fn insn(opc: u8, dst: i64, src: i64, off: i64, imm: i64) -> Result<Insn, String> { in insn()
158 if dst < 0 || src >= 16 { in insn()
170 src: src as u8, in insn()
190 (AluBinary, Register(dst), Register(src), Nil) => insn(opc | ebpf::BPF_X, dst, src, 0, 0), in encode()
194 (LoadInd, Register(src), Integer(imm), Nil) => insn(opc, 0, src, 0, imm), in encode()
195 (LoadReg, Register(dst), Memory(src, off), Nil) in encode()
196 | (StoreReg, Memory(dst, off), Register(src), Nil) => insn(opc, dst, src, off, 0), in encode()
200 (JumpConditional, Register(dst), Register(src), Integer(off)) => { in encode()
201 insn(opc | ebpf::BPF_X, dst, src, off, 0) in encode()
269 pub fn assemble(src: &str) -> Result<Vec<u8>, String> { in assemble()
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H A Dcranelift.rs394 let src = self.insn_dst32(bcx, &insn); in translate_program() localVariable
396 let res = bcx.ins().iadd(src, imm); in translate_program()
408 let src = self.insn_dst32(bcx, &insn); in translate_program() localVariable
410 let res = bcx.ins().isub(src, imm); in translate_program()
422 let src = self.insn_dst32(bcx, &insn); in translate_program() localVariable
424 let res = bcx.ins().imul(src, imm); in translate_program()
440 let src = self.insn_dst32(bcx, &insn); in translate_program() localVariable
441 bcx.ins().udiv(src, imm) in translate_program()
462 let src = self.insn_dst32(bcx, &insn); in translate_program() localVariable
464 let res = bcx.ins().bor(src, imm); in translate_program()
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H A Ddisassembler.rs25 format!("{name} r{}, r{}", insn.dst, insn.src) in alu_reg_str()
54 format!("{name} r{}, [r{}+{:#x}]", insn.dst, insn.src, insn.off) in ld_reg_str()
59 insn.src, in ld_reg_str()
68 format!("{name} [r{}+{:#x}], r{}", insn.dst, insn.off, insn.src) in st_reg_str()
74 insn.src in st_reg_str()
86 format!("{name} r{}, {:#x}", insn.src, insn.imm) in ldind_str()
106 format!("{name} r{}, r{}, +{:#x}", insn.dst, insn.src, insn.off) in jmp_reg_str()
111 insn.src, in jmp_reg_str()
143 pub src: u8, field
752 src: insn.src, in to_insn_vec()
/DragonOS/docs/kernel/configuration/
H A Dconfig.md14 path = "src/init/"
20 path = "src/mm/"
35 **src/mm/d.config**
44 path = "src/mm/allocator/"
69 **src/mm/allocator/d.config**
82 **src/init/d.config**
/DragonOS/kernel/
H A D.gitignore2 src/kernel
7 src/include/bindings/bindings.rs
9 src/include/bindings/bindings.h
H A DMakefile19 $(MAKE) -C src all ARCH=$(ARCH) || (sh -c "echo 内核编译失败" && exit 1)
24 $(MAKE) -C src clean ARCH=$(ARCH)
39 …ly-2024-11-05 check --workspace $(CARGO_ZBUILD) --message-format=json --target ./src/$(TARGET_JSON)
41 …ly-2024-11-05 check --workspace $(CARGO_ZBUILD) --message-format=json --target ./src/$(TARGET_JSON)
H A Drust-toolchain.toml3 components = ["rust-src", "clippy"]
/DragonOS/kernel/src/smp/
H A Dsyscall.rs11 let src = unsafe { cpu_manager.possible_cpus().inner().as_bytes() }; in getaffinity() localVariable
12 set[0..src.len()].copy_from_slice(src); in getaffinity()
/DragonOS/docs/kernel/core_api/
H A Dkernel_api.md455 **src**
459 #### `long strnlen(const char *src, unsigned long maxlen)`
467 **src**
475 #### `long strnlen_user(const char *src, unsigned long maxlen)`
481 &emsp;&emsp;该函数会进行地址空间校验，要求src字符串必须来自用户空间。当源字符串来自内核空间时，将返回0.
485 **src**
493 #### `char *strncpy(char *dst, const char *src, long count)`
501 **src**
513 #### `char *strcpy(char *dst, const char *src)` argument
521 **src**
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H A Dcasting.md8 &emsp;&emsp;上述没有特殊标明的函数，都是在`kernel/src/libs/casting.rs`中实现的。
16 SystemError枚举类型使用了这种方式，您可以在`kernel/src/syscall/mod.rs`中找到它的用法。
44 …>`转换为`Arc<T>`的具体类型指针时，我们要为`U`这个trait实现`DowncastArc`trait。这个trait定义在`kernel/src/libs/casting.rs`中。它…
/DragonOS/kernel/src/arch/x86_64/include/asm/
H A Dasm.h184 static void *memcpy(void *dst, const void *src, long Num) in memcpy() argument
201 : "0"(Num / 8), "q"(Num), "1"(dst), "2"(src) in memcpy()
274 static inline uint64_t copy_from_user(void *dst, void *src, uint64_t size) in copy_from_user() argument
277 if (!verify_area((uint64_t)src, size)) in copy_from_user()
290 : "r"(size & 7), "0"(size >> 3), "1"(dst), "2"(src) in copy_from_user()
303 static inline uint64_t copy_to_user(void *dst, void *src, uint64_t size) in copy_to_user() argument
305 if (verify_area((uint64_t)src, size)) in copy_to_user()
321 memcpy(dst, src, size); in copy_to_user()
/DragonOS/kernel/crates/rbpf/tests/
H A Ddisassembler.rs13 ($src:expr) => {{
14 let src = $src; localVariable
15 let asm = assemble(src).expect("Can't assemble from string");
23 assert_eq!(src, reasm);
/DragonOS/user/apps/test_ebpf/syscall_ebpf/syscall_ebpf-ebpf/
H A Drust-toolchain.toml3 # The source code of rustc, provided by the rust-src component, is needed for
9 "rust-src",
/DragonOS/kernel/src/driver/video/fbdev/base/
H A Dmod.rs157 let mut src; in fast_imageblit() localVariable
163 src = offset; in fast_imageblit()
169 dst1.write(color_tab[(image.data[src] as usize >> 4) & bitmask]); in fast_imageblit()
170 dst1.write(color_tab[(image.data[src] as usize) & bitmask]); in fast_imageblit()
172 src += 1; in fast_imageblit()
179 dst1.write(color_tab[(image.data[src] as usize >> 6) & bitmask]); in fast_imageblit()
180 dst1.write(color_tab[(image.data[src] as usize >> 4) & bitmask]); in fast_imageblit()
181 dst1.write(color_tab[(image.data[src] as usize >> 2) & bitmask]); in fast_imageblit()
182 dst1.write(color_tab[(image.data[src] as usize) & bitmask]); in fast_imageblit()
183 src += 1; in fast_imageblit()
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H A Drender_helper.rs12 src: Iter<'a, u8>, field
30 src: Iter<'a, u8>, in new()
45 src, in new()
55 ans.current = *ans.src.next().unwrap(); in new()
78 self.current = match self.src.next() { in move_mask()
/DragonOS/kernel/src/driver/video/fbdev/
H A Dvesafb.rs532 let src = in fb_copyarea() localVariable
544 let mut src = src.as_ptr::<u32>(); in fb_copyarea() localVariable
551 core::ptr::copy(src, dst, visiable_w as usize); in fb_copyarea()
552 src = src.add(line_offset); in fb_copyarea()
563 core::ptr::copy(src, tmp_ptr, visiable_w as usize); in fb_copyarea()
564 src = src.add(line_offset); in fb_copyarea()
579 let mut src = src.as_ptr::<u16>(); in fb_copyarea() localVariable
586 core::ptr::copy(src, dst, visiable_w as usize); in fb_copyarea()
587 src = src.add(line_offset); in fb_copyarea()
598 core::ptr::copy(src, tmp_ptr, visiable_w as usize); in fb_copyarea()
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/DragonOS/kernel/src/filesystem/procfs/
H A Dkmsg.rs74 let src = &self.data[0..len]; in read_all() localVariable
75 buf[0..len].copy_from_slice(src); in read_all()
93 let src = &data_level[0..len]; in read_level() localVariable
94 buf[0..len].copy_from_slice(src); in read_level()
/DragonOS/docs/community/code_contribution/
H A Dconventional-commit.md10 …: 如无特殊说明，以子模块/系统/目录名作为范围，例如代码变动是发生在`kernel/src/driver/net`中的特性追加，那么应当命名为`feat(driver/net):`，如果是发生在…
/DragonOS/user/apps/test_ebpf/syscall_ebpf/syscall_ebpf-common/
H A DCargo.toml14 path = "src/lib.rs"

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