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/DragonOS-0.1.7/docs/introduction/
Dfeatures.md7 - [x] 启动引导：Multiboot2
9 - [x] 接口：posix 2008
15 - [x] 页分配器
16 - [x] slab分配器
17 - [x] VMA
18 - [x] MMIO地址空间自动分配
22 - [x] 多核引导
23 - [x] ipi框架
27 - [x] 进程创建
28 - [x] 进程回收
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/DragonOS-0.1.7/kernel/src/arch/x86_64/math/
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-0.1.7/docs/userland/libc/apis/api-list/
Dmath.md9 ``double fabs(double x)`` : 返回 x 的绝对值
11 ``float fabsf(float x)`` : 返回 x 的绝对值
13 ``long double fabsl(long double x)``: 返回 x 的绝对值
15 ``double round(double x)`` 四舍五入 x
17 ``float roundf(float x)`` 四舍五入 x
19 ``long double roundl(long double x)`` 四舍五入 x
21 ``int64_t pow(int64_t x,int y)`` 返回 x 的 y 次方
Dstdlib.md12 ``int abs(int x)`` : x 的绝对值
14 ``long labs(long x)`` : x 的绝对值
16 ``long long llabs(long long x)`` : x 的绝对值
/DragonOS-0.1.7/kernel/src/sched/
Dcompletion.c9 void completion_init(struct completion *x) in completion_init() argument
11 x->done = 0; in completion_init()
12 wait_queue_head_init(&x->wait_queue); in completion_init()
20 void complete(struct completion *x) in complete() argument
23 spin_lock(&x->wait_queue.lock); in complete()
25 if (x->done != COMPLETE_ALL) in complete()
26 ++(x->done); in complete()
27 wait_queue_wakeup_on_stack(&x->wait_queue, -1UL); // -1UL代表所有节点都满足条件,暂时这么写 in complete()
29 spin_unlock(&x->wait_queue.lock); in complete()
37 void complete_all(struct completion *x) in complete_all() argument
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/DragonOS-0.1.7/kernel/src/common/math/
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()
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()
Dfabs.c5 double fabs(double x) in fabs() argument
11 } u = {x}; in fabs()
18 long double fabsl(long double x) in fabsl() argument
20 return fabs(x); in fabsl()
23 long double fabsl(long double x) in fabsl() argument
25 union ldshape u = {x}; in fabsl()
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-0.1.7/user/libs/libc/src/math/
Dround.c10 double round(double x) in round() argument
16 } u = {x}; in round()
22 return x; in round()
24 x = -x; in round()
28 FORCE_EVAL(x + toint); in round()
31 y = x + toint - toint - x; in round()
33 y = y + x - 1; in round()
35 y = y + x + 1; in round()
37 y = y + x; in round()
Dfabs.c5 double fabs(double x) in fabs() argument
11 } u = {x}; in fabs()
18 long double fabsl(long double x) in fabsl() argument
20 return fabs(x); in fabsl()
23 long double fabsl(long double x) in fabsl() argument
25 union ldshape u = {x}; in fabsl()
Dpow.c4 int64_t pow(int64_t x, int y) in pow() argument
8 res *= x; in pow()
/DragonOS-0.1.7/docs/community/ChangeLog/
Dindex.rst9 V0.1.x/V0.1.7
10 V0.1.x/V0.1.6
11 V0.1.x/V0.1.5
12 V0.1.x/V0.1.4
13 V0.1.x/V0.1.3
14 V0.1.x/V0.1.2
15 V0.1.x/V0.1.1
16 V0.1.x/V0.1.0
/DragonOS-0.1.7/kernel/src/common/
Dcompletion.h23 void completion_init(struct completion *x);
24 void complete(struct completion *x);
25 void complete_all(struct completion *x);
26 void wait_for_completion(struct completion *x);
27 long wait_for_completion_timeout(struct completion *x, long timeout);
28 void wait_for_completion_interruptible(struct completion *x);
29 long wait_for_completion_interruptible_timeout(struct completion *x, long timeout);
30 void wait_for_multicompletion(struct completion x[], int n);
31 bool try_wait_for_completion(struct completion *x);
32 bool completion_done(struct completion *x);
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)); \
Dglib.h41 #define ABS(x) ((x) > 0 ? (x) : -(x)) // 绝对值 argument
43 #define max(x, y) ((x > y) ? (x) : (y)) argument
44 #define min(x, y) ((x < y) ? (x) : (y)) argument
47 #define MASK_HIGH_32bit(x) (x & (0x00000000ffffffffUL)) argument
50 ul round(double x) in round() argument
52 return (ul)(x + 0.5); in round()
/DragonOS-0.1.7/user/libs/libc/src/include/export/
Dmath.h8 double fabs(double x);
10 long double fabsl(long double x);
12 double round(double x);
13 float roundf(float x);
14 long double roundl(long double x);
16 int64_t pow(int64_t x, int y);
Dlibm.h58 #define FORCE_EVAL(x) \ argument
61 if (sizeof(x) == sizeof(float)) \
64 __x = (x); \
67 else if (sizeof(x) == sizeof(double)) \
70 __x = (x); \
76 __x = (x); \
/DragonOS-0.1.7/kernel/src/libs/
Dglib.c14 uint32_t x = io_in8(0x61)&0xff; in __experimental_beep() local
15 x |= 3; in __experimental_beep()
16 io_out8(0x61, x&0xff); in __experimental_beep()
21 x = io_in8(0x61); in __experimental_beep()
22 x &= 0xfc; in __experimental_beep()
23 io_out8(0x61, x&0xff); in __experimental_beep()
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-0.1.7/kernel/src/arch/x86_64/include/asm/
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-0.1.7/kernel/src/arch/x86_64/asm/
Dbitops.rs9 pub fn ffz(x: u64) -> i32 { in ffz()
10 return unsafe { _popcnt64((x & ((!x) - 1)).try_into().unwrap()) }; in ffz()
/DragonOS-0.1.7/docs/kernel/locking/
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 kdebug!("x={:?}", x);
71 kdebug!("x={:?}", x);
/DragonOS-0.1.7/kernel/src/driver/interrupt/8259A/
D8259A.c47 unsigned char x; in do_IRQ() local
55 x = io_in8(0x60); in do_IRQ()
56 printk_color(ORANGE, BLACK, "Received key irq, key code:%#018lx\n", x); in do_IRQ()
/DragonOS-0.1.7/docs/kernel/sched/
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-…

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