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/DragonOS/docs/introduction/
H A Dfeatures.md7 - [x] 启动引导：Multiboot2
9 - [x] 接口：posix 2008
15 - [x] 页帧分配器
16 - [x] 小对象分配器
17 - [x] VMA
18 - [x] MMIO地址空间自动分配
19 - [x] 页面映射器
20 - [x] 硬件抽象层
21 - [x] 独立的用户地址空间管理机制
22 - [x] C接口兼容层
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/DragonOS/kernel/src/arch/x86_64/math/
H A Dbitcount.h9 static __always_inline int __clz(uint32_t x) in __clz() argument
13 : "=a"(x) in __clz()
14 : "a"(x) in __clz()
16 return x; in __clz()
25 static __always_inline int __clzl(unsigned long x) in __clzl() argument
33 : "a"(x) in __clzl()
44 static __always_inline int __clzll(unsigned long long x) in __clzll() argument
52 : "a"(x) in __clzll()
57 static __always_inline int __ctz(uint32_t x) in __ctz() argument
59 asm volatile("tzcnt %%eax, %%eax":"=a"(x):"a"(x):"memory"); in __ctz()
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/DragonOS/kernel/src/common/
H A Dglib.h31 #define ABS(x) ((x) > 0 ? (x) : -(x)) // 绝对值 argument
33 #define max(x, y) ((x > y) ? (x) : (y)) argument
34 #define min(x, y) ((x < y) ? (x) : (y)) argument
37 #define MASK_HIGH_32bit(x) (x & (0x00000000ffffffffUL)) argument
40 ul round(double x) { return (ul)(x + 0.5); } in round() argument
H A Dcompiler.h5 #define likely(x) __builtin_expect(!!(x), 1) argument
6 #define unlikely(x) __builtin_expect(!!(x), 0) argument
122 #define READ_ONCE(x) \ argument
126 typeof(x) __val; \
129 __read_once_size(__u.__c, &(x), sizeof(x)); \
136 #define WRITE_ONCE(x, val) \ argument
140 typeof(x) __val; \
143 __write_once_size(&(x), __u.__c, sizeof(x)); \
/DragonOS/docs/community/ChangeLog/
H A Dindex.rst9 V0.1.x/V0.1.10
10 V0.1.x/V0.1.9
11 V0.1.x/V0.1.8
12 V0.1.x/V0.1.7
13 V0.1.x/V0.1.6
14 V0.1.x/V0.1.5
15 V0.1.x/V0.1.4
16 V0.1.x/V0.1.3
17 V0.1.x/V0.1.2
18 V0.1.x/V0.1.1
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/DragonOS/kernel/src/common/math/
H A Dround.c12 double round(double x) in round() argument
18 } u = {x}; in round()
24 return x; in round()
26 x = -x; in round()
30 FORCE_EVAL(x + toint); in round()
33 y = x + toint - toint - x; in round()
35 y = y + x - 1; in round()
37 y = y + x + 1; in round()
39 y = y + x; in round()
H A Dpow.c4 int64_t pow(int64_t x, int y) in pow() argument
9 return x; in pow()
11 return x * x; in pow()
16 res *= x; in pow()
18 x *= x; in pow()
H A Dlibm.h54 #define FORCE_EVAL(x) \ argument
57 if (sizeof(x) == sizeof(float)) \
60 __x = (x); \
63 else if (sizeof(x) == sizeof(double)) \
66 __x = (x); \
72 __x = (x); \
/DragonOS/kernel/src/arch/x86_64/asm/
H A Dirqflags.rs5 let x: usize; in local_irq_save() localVariable
8 asm!("pushfq; pop {}; cli", out(reg) x, options(nomem, preserves_flags)); in local_irq_save()
10 x in local_irq_save()
15 pub fn local_irq_restore(x: usize) { in local_irq_restore()
17 asm!("push {}; popfq", in(reg) x, options(nomem, preserves_flags)); in local_irq_restore()
H A Dbitops.rs10 pub fn ffz(x: u64) -> i32 { in ffz()
11 return unsafe { _popcnt64((x & ((!x) - 1)).try_into().unwrap()) }; in ffz()
/DragonOS/kernel/src/arch/x86_64/include/asm/
H A Dirqflags.h4 #define local_irq_save(x) __asm__ __volatile__("pushfq ; popq %0 ; cli" \ argument
5 : "=g"(x)::"memory")
7 #define local_irq_restore(x) __asm__ __volatile__("pushq %0 ; popfq" ::"g"(x) \ argument
/DragonOS/kernel/src/arch/riscv64/
H A Drand.rs4 for x in buf.iter_mut() { in rand()
8 *x = (SEED >> 33) as u8; in rand()
11 let x: usize = unsafe { core::mem::transmute(buf) }; in rand() localVariable
12 return x; in rand()
/DragonOS/kernel/src/driver/video/fbdev/base/
H A Drender_helper.rs75 Some(x) => *x, in move_mask()
143 Ok(x) => { in next()
145 return Some(x.unwarp()); in next()
147 Err(x) => { in next()
149 return Some(x.unwarp()); in next()
168 PixelLineStatus::Full(x) => (x, true), in unwarp()
169 PixelLineStatus::NotFull(x) => (x, false), in unwarp()
/DragonOS/kernel/crates/rbpf/src/
H A Dinterpreter.rs145 let x = (mem.as_ptr() as u64 + (insn.imm as u32) as u64) as *const u8; in execute_program() localVariable
146 check_mem_load(stacks.last().unwrap().as_slice(), x as u64, 8, insn_ptr)?; in execute_program()
147 x.read_unaligned() as u64 in execute_program()
152 let x = (mem.as_ptr() as u64 + (insn.imm as u32) as u64) as *const u16; in execute_program() localVariable
153 check_mem_load(stacks.last().unwrap().as_slice(), x as u64, 8, insn_ptr)?; in execute_program()
154 x.read_unaligned() as u64 in execute_program()
159 let x = (mem.as_ptr() as u64 + (insn.imm as u32) as u64) as *const u32; in execute_program() localVariable
160 check_mem_load(stacks.last().unwrap().as_slice(), x as u64, 8, insn_ptr)?; in execute_program()
161 x.read_unaligned() as u64 in execute_program()
167 let x = (mem.as_ptr() as u64 + (insn.imm as u32) as u64) as *const u64; in execute_program() localVariable
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/DragonOS/kernel/src/virt/kvm/
H A Dmod.rs26 if vm_list.iter().any(|x| x.id == id) { in push_vm()
37 match vm_list.iter().position(|x| x.id == id) { in remove_vm()
53 vm_list.iter().find(|&x| x.id == id).cloned() in vm()
/DragonOS/docs/kernel/locking/
H A Dspinlock.md50 let x = SpinLock::new(Vec::new());
60 let x :SpinLock<Vec<i32>>= SpinLock::new(Vec::new());
62 let mut g :SpinLockGuard<Vec<i32>>= x.lock();
68 debug!("x={:?}", x);
71 debug!("x={:?}", x);
/DragonOS/kernel/crates/driver_base_macros/src/
H A Dlib.rs9 if let Some(x) = $field.clone() {
10 if x.strong_count() == 0 {
14 Some(x)
/DragonOS/kernel/src/driver/tty/virtual_terminal/
H A Dvirtual_console.rs217 self.pos = self.cols * self.state.y + self.state.x; in init()
282 self.state.x = 0; in reset()
525 .con_putc(self, i as u16, self.state.y as u32, self.state.x as u32); in add_softcursor()
543 self.state.x as u32, in hide_softcursor()
550 fn gotoxay(&mut self, x: i32, y: i32) { in gotoxay()
552 self.gotoxy(x, self.top as i32 + y); in gotoxay()
554 self.gotoxy(x, y) in gotoxay()
559 fn gotoxy(&mut self, x: i32, y: i32) { in gotoxy()
560 if x < 0 { in gotoxy()
561 self.state.x = 0; in gotoxy()
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/DragonOS/docs/kernel/sched/
H A Dc_waiting.md174 &emsp;&emsp; 函数`completion_init(struct completion *x)`提供了初始化completion的功能。当你使用`DECLARE_COMPLETION_O…
180 | wait_for_completion(struct completion *x) | 将当前进程挂起，并设置挂起状态为PROC_UNINTERRUPTIBLE。 …
181 | wait_for_completion_timeout(struct completion *x, long timeout) | 将当前进程挂起，并设置挂起状态为PROC_UNINTERRU…
182 | wait_for_completion_interruptible(struct completion *x) | 将当前进程挂起，并设置挂起状态为PROC_INTERRUPTIBLE。 …
183 | wait_for_completion_interruptible_timeout(struct completion *x, long timeout) | 将当前进程挂起，并设置挂起状态为P…
184 | wait_for_multicompletion(struct completion x[], int n)| 将当前进程挂起，并设置挂起状态为PROC_UNINTERRUPTIBLE。(等待数…
192 | complete(struct completion *x) | 表明一个事件被完成,从等待队列中唤醒一个进程 |
193 | complete_all(struct completion *x) | 表明与该completion有关的事件被标记为永久完成,并唤醒等待队列中的所有进程 |
199 | completion_done(struct completion *x) | 查询completion的done变量是不是大于0，如果大于0，返回true；否则返回fal…
200 | try_wait_for_completion(struct completion *x) | 查询completion的done变量是不是大于0，如果大于0，返回true(同时令done-…
/DragonOS/kernel/src/driver/base/
H A Dkset.rs118 kobjects.retain(|x| x.upgrade().is_some()); in leave()
119 let index = kobjects.iter().position(|x| { in leave()
120 if let Some(x) = x.upgrade() { in leave()
121 return Arc::ptr_eq(&x, kobj); in leave()
126 let x = kobjects.remove(index); in leave() localVariable
127 let x = x.upgrade().unwrap(); in leave() localVariable
129 x.set_kset(None); in leave()
137 kobjects.retain(|x| x.upgrade().is_some()); in cleanup_weak()
/DragonOS/kernel/src/driver/base/device/
H A Ddevice_number.rs27 pub const fn new(x: u32) -> Self { in new()
28 Major(x) in new()
70 fn from(x: u32) -> Self { in from()
71 Self { data: x } in from()
/DragonOS/kernel/src/libs/
H A Dcasting.rs66 let x: Arc<dyn Any> = self.as_any_arc(); in downcast_arc() localVariable
67 if x.is::<T>() { in downcast_arc()
69 let p = Arc::into_raw(x); in downcast_arc()
/DragonOS/kernel/src/arch/riscv64/asm/
H A Dirqflags.h4 #define local_irq_save(x) \ argument
9 #define local_irq_restore(x) \ argument
/DragonOS/kernel/src/init/
H A Dcmdline.rs285 KCMDLINE_PARAM_EARLY_KV.iter().for_each(|x| { in early_init()
286 let x = unsafe { x.force_mut() }; in early_init() localVariable
287 if let KernelCmdlineParameter::EarlyKV(v) = x { in early_init()
383 KCMDLINE_PARAM_ARG.iter().for_each(|x| { in default_initialize()
384 let x = unsafe { x.force_mut() }; in default_initialize() localVariable
385 if let KernelCmdlineParameter::Arg(v) = x { in default_initialize()
394 KCMDLINE_PARAM_KV.iter().for_each(|x| { in default_initialize()
395 let x = unsafe { x.force_mut() }; in default_initialize() localVariable
396 if let KernelCmdlineParameter::KV(v) = x { in default_initialize()
418 list.iter().find(|x| { in find_param()
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/DragonOS/kernel/src/arch/riscv64/include/asm/
H A Dirqflags.h4 #define local_irq_save(x) \ argument
9 #define local_irq_restore(x) \ argument

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