注解让你彻底明白什么是圆整函数(ROUNDUP,ROUNDDOWN).

搜索 @note_pic 方便理解画的字符图
搜索 @note_why 尚未看明白的地方，如果您看明白了，请告知完善
搜索 @note_thinking 一点思考和吐槽的地方
搜索 @note_#if0 由第三方项目提供不由内核源码中定义的极为重要的结构体，为方便理解而添加的
搜索 @note_good 给源码点赞

zzz/doc/c.md

@@ -4,97 +4,97 @@
 
 ---
 
-- kernel_liteos_a_note
-  * kernel
-    + base
-    	+ core
-    		+ los_bitmap.c
-    		+ los_process.c
-    		+ los_sortlink.c
-    		+ los_swtmr.c
-    		+ los_sys.c
-    		+ los_task.c
-    		+ los_tick.c
-    		+ los_timeslice.c
-    	+ ipc
-    		+ los_event.c
-    		+ los_futex.c
-    		+ los_ipcdebug.c
-    		+ los_mux.c
-    		+ los_queue.c
-    		+ los_queue_debug.c
-    		+ los_sem.c
-    		+ los_sem_debug.c
-    		+ los_signal.c
-        + mem
-    	+ misc
-    		+ kill_shellcmd.c
-            + los_misc.c
-            + los_stackinfo.c
-            + mempt_shellcmd.c
-            + swtmr_shellcmd.c
-            + sysinfo_shellcmd.c
-            + task_shellcmd.c
-            + vm_shellcmd.c
-        + mp
-            + los_lockdep.c
-            + los_mp.c
-            + los_percpu.c
-            + los_stat.c
-        + om
-            + los_err.c
-        + sched\sched_sq
-            + los_priqueue.c
-            + los_sched.c
-        + vm
-            + los_vm_boot.c
-            + los_vm_dump.c
-            + los_vm_fault.c
-            + los_vm_filemap.c
-            + los_vm_iomap.c
-            + los_vm_map.c
-            + los_vm_page.c
-            + los_vm_phys.c
-            + los_vm_scan.c
-            + los_vm_syscall.c
-            + oom.c
-            + shm.c
-    + common
-        + console.c
-        + hwi_shell.c
-        + los_cir_buf.c
-        + los_config.c
-        + los_exc_interaction.c
-        + los_excinfo.c
-        + los_hilog.c
-        + los_magickey.c
-        + los_printf.c
-        + los_rootfs.c
-        + los_seq_buf.c
-        + virtual_serial.c
-    + extended
-        + cppsupport
-            + los_cppsupport.c
-        + cpup
-            + cpup_shellcmd.c
-            + los_cpup.c
-        + dynload\src
-            + los_exec_elf.c
-            + los_load_elf.c           
-        + liteipc
-            + hm_liteipc.c
-        + tickless
-            + los_tickless.c
-        + trace
-            + los_trace.c
-        + vdso
-            + src
-                + los_vdso.c
-                + los_vdso_text.S
-            + usr 
-                + los_vdso_sys.c      
-    + user\src
-    	+ los_user_init.c
+- [kernel_liteos_a_note:鸿蒙内核源码注释中文版](https://gitee.com/weharmony/kernel_liteos_a_note/)
+  * [kernel](https://gitee.com/weharmony/kernel_liteos_a_note/tree/master/kernel/)
+    + [base](https://gitee.com/weharmony/kernel_liteos_a_note/tree/master/kernel/base/)
+    	+ [core](https://gitee.com/weharmony/kernel_liteos_a_note/tree/master/kernel/base/core/)
+    		+ [los_bitmap.c](https://gitee.com/weharmony/kernel_liteos_a_note/tree/master/kernel/base/core/los_bitmap.c)
+    		+ [los_process.c](https://gitee.com/weharmony/kernel_liteos_a_note/tree/master/kernel/base/core/los_process.c)
+    		+ [los_sortlink.c](https://gitee.com/weharmony/kernel_liteos_a_note/tree/master/kernel/base/core/los_sortlink.c)
+    		+ [los_swtmr.c](https://gitee.com/weharmony/kernel_liteos_a_note/tree/master/kernel/base/core/los_swtmr.c)
+    		+ [los_sys.c](https://gitee.com/weharmony/kernel_liteos_a_note/tree/master/kernel/base/core/los_sys.c)
+    		+ [los_task.c](https://gitee.com/weharmony/kernel_liteos_a_note/tree/master/kernel/base/core/los_task.c)
+    		+ [los_tick.c](https://gitee.com/weharmony/kernel_liteos_a_note/tree/master/kernel/base/core/los_tick.c)
+    		+ [los_timeslice.c](https://gitee.com/weharmony/kernel_liteos_a_note/tree/master/kernel/base/core/los_timeslice.c)
+    	+ [ipc](https://gitee.com/weharmony/kernel_liteos_a_note/tree/master/kernel/base/ipc/)
+    		+ [los_event.c](https://gitee.com/weharmony/kernel_liteos_a_note/tree/master/kernel/ipc/base/los_event.c)
+    		+ [los_futex.c](https://gitee.com/weharmony/kernel_liteos_a_note/tree/master/kernel/ipc/base/los_futex.c)
+    		+ [los_ipcdebug.c](https://gitee.com/weharmony/kernel_liteos_a_note/tree/master/kernel/ipc/base/los_ipcdebug.c)
+    		+ [los_mux.c](https://gitee.com/weharmony/kernel_liteos_a_note/tree/master/kernel/ipc/base/los_mux.c)
+    		+ [los_queue.c](https://gitee.com/weharmony/kernel_liteos_a_note/tree/master/kernel/ipc/base/los_queue.c)
+    		+ [los_queue_debug.c](https://gitee.com/weharmony/kernel_liteos_a_note/tree/master/kernel/ipc/base/los_queue_debug.c)
+    		+ [los_sem.c](https://gitee.com/weharmony/kernel_liteos_a_note/tree/master/kernel/ipc/base/los_sem.c)
+    		+ [los_sem_debug.c](https://gitee.com/weharmony/kernel_liteos_a_note/tree/master/kernel/ipc/base/los_sem_debug.c)
+    		+ [los_signal.c](https://gitee.com/weharmony/kernel_liteos_a_note/tree/master/kernel/ipc/base/)
+        + [mem](https://gitee.com/weharmony/kernel_liteos_a_note/tree/master/kernel/base/mem/los_signal.c)
+    	+ [misc](https://gitee.com/weharmony/kernel_liteos_a_note/tree/master/kernel/base/misc/)
+    		+ [kill_shellcmd.c](https://gitee.com/weharmony/kernel_liteos_a_note/tree/master/kernel/base/misc/kill_shellcmd.c)
+            + [los_misc.c](https://gitee.com/weharmony/kernel_liteos_a_note/tree/master/kernel/base/misc/los_misc.c)
+            + [los_stackinfo.c](https://gitee.com/weharmony/kernel_liteos_a_note/tree/master/kernel/base/misc/los_stackinfo.c)
+            + [mempt_shellcmd.c](https://gitee.com/weharmony/kernel_liteos_a_note/tree/master/kernel/base/misc/mempt_shellcmd.c)
+            + [swtmr_shellcmd.c](https://gitee.com/weharmony/kernel_liteos_a_note/tree/master/kernel/base/misc/swtmr_shellcmd.c)
+            + [sysinfo_shellcmd.c](https://gitee.com/weharmony/kernel_liteos_a_note/tree/master/kernel/base/misc/sysinfo_shellcmd.c)
+            + [task_shellcmd.c](https://gitee.com/weharmony/kernel_liteos_a_note/tree/master/kernel/base/misc/task_shellcmd.c)
+            + [vm_shellcmd.c](https://gitee.com/weharmony/kernel_liteos_a_note/tree/master/kernel/base/misc/vm_shellcmd.c)
+        + [mp](https://gitee.com/weharmony/kernel_liteos_a_note/tree/master/kernel/base/mp/)
+            + [los_lockdep.c](https://gitee.com/weharmony/kernel_liteos_a_note/tree/master/kernel/base/mp/los_lockdep.c)
+            + [los_mp.c](https://gitee.com/weharmony/kernel_liteos_a_note/tree/master/kernel/base/mp/los_mp.c)
+            + [los_percpu.c](https://gitee.com/weharmony/kernel_liteos_a_note/tree/master/kernel/base/mp/los_percpu.c)
+            + [los_stat.c](https://gitee.com/weharmony/kernel_liteos_a_note/tree/master/kernel/base/mp/los_stat.c)
+        + [om](https://gitee.com/weharmony/kernel_liteos_a_note/tree/master/kernel/base/om/)
+            + [los_err.c](https://gitee.com/weharmony/kernel_liteos_a_note/tree/master/kernel/base/om/los_err.c)
+        + [sched/sched_sq](https://gitee.com/weharmony/kernel_liteos_a_note/tree/master/kernel/base/sched/sched_sq/)
+            + [los_priqueue.c](https://gitee.com/weharmony/kernel_liteos_a_note/tree/master/kernel/base/sched/sched_sq/los_priqueue.c)
+            + [los_sched.c](https://gitee.com/weharmony/kernel_liteos_a_note/tree/master/kernel/base/sched/sched_sq/los_sched.c)
+        + [vm](https://gitee.com/weharmony/kernel_liteos_a_note/tree/master/kernel/base/vm/)
+            + [los_vm_boot.c](https://gitee.com/weharmony/kernel_liteos_a_note/tree/master/kernel/base/vm/los_vm_boot.c)
+            + [los_vm_dump.c](https://gitee.com/weharmony/kernel_liteos_a_note/tree/master/kernel/base/vm/los_vm_dump.c)
+            + [los_vm_fault.c](https://gitee.com/weharmony/kernel_liteos_a_note/tree/master/kernel/base/vm/los_vm_fault.c)
+            + [los_vm_filemap.c](https://gitee.com/weharmony/kernel_liteos_a_note/tree/master/kernel/base/vm/los_vm_filemap.c)
+            + [los_vm_iomap.c](https://gitee.com/weharmony/kernel_liteos_a_note/tree/master/kernel/base/vm/los_vm_iomap.c)
+            + [los_vm_map.c](https://gitee.com/weharmony/kernel_liteos_a_note/tree/master/kernel/base/vm/los_vm_map.c)
+            + [los_vm_page.c](https://gitee.com/weharmony/kernel_liteos_a_note/tree/master/kernel/base/vm/los_vm_page.c)
+            + [los_vm_phys.c](https://gitee.com/weharmony/kernel_liteos_a_note/tree/master/kernel/base/vm/los_vm_phys.c)
+            + [los_vm_scan.c](https://gitee.com/weharmony/kernel_liteos_a_note/tree/master/kernel/base/vm/los_vm_scan.c)
+            + [los_vm_syscall.c](https://gitee.com/weharmony/kernel_liteos_a_note/tree/master/kernel/base/vm/los_vm_syscall.c)
+            + [oom.c](https://gitee.com/weharmony/kernel_liteos_a_note/tree/master/kernel/base/vm/oom.c)
+            + [shm.c](https://gitee.com/weharmony/kernel_liteos_a_note/tree/master/kernel/base/vm/shm.c)
+    + [common](https://gitee.com/weharmony/kernel_liteos_a_note/common/)
+        + [console.c](https://gitee.com/weharmony/kernel_liteos_a_note/common/)
+        + [hwi_shell.c](https://gitee.com/weharmony/kernel_liteos_a_note/common/)
+        + [los_cir_buf.c](https://gitee.com/weharmony/kernel_liteos_a_note/common/)
+        + [los_config.c](https://gitee.com/weharmony/kernel_liteos_a_note/common/)
+        + [los_exc_interaction.c](https://gitee.com/weharmony/kernel_liteos_a_note/common/)
+        + [los_excinfo.c](https://gitee.com/weharmony/kernel_liteos_a_note/common/)
+        + [los_hilog.c](https://gitee.com/weharmony/kernel_liteos_a_note/common/)
+        + [los_magickey.c](https://gitee.com/weharmony/kernel_liteos_a_note/common/)
+        + [los_printf.c](https://gitee.com/weharmony/kernel_liteos_a_note/common/)
+        + [los_rootfs.c](https://gitee.com/weharmony/kernel_liteos_a_note/common/)
+        + [los_seq_buf.c](https://gitee.com/weharmony/kernel_liteos_a_note/common/)
+        + [virtual_serial.c](https://gitee.com/weharmony/kernel_liteos_a_note/common/)
+    + [extended](https://gitee.com/weharmony/kernel_liteos_a_note/extended/)
+        + [cppsupport](https://gitee.com/weharmony/kernel_liteos_a_note/extended/cppsupport/)
+            + [los_cppsupport.c](https://gitee.com/weharmony/kernel_liteos_a_note/extended/cppsupport/)
+        + [cpup](https://gitee.com/weharmony/kernel_liteos_a_note/cpup/)
+            + [cpup_shellcmd.c](https://gitee.com/weharmony/kernel_liteos_a_note/cpup/)
+            + [los_cpup.c](https://gitee.com/weharmony/kernel_liteos_a_note/cpup/)
+        + [dynload/src](https://gitee.com/weharmony/kernel_liteos_a_note/dynload/src/)
+            + [los_exec_elf.c](https://gitee.com/weharmony/kernel_liteos_a_note/dynload/src/)
+            + [los_load_elf.c](https://gitee.com/weharmony/kernel_liteos_a_note/dynload/src/)           
+        + [liteipc](https://gitee.com/weharmony/kernel_liteos_a_note/liteipc/)
+            + [hm_liteipc.c](https://gitee.com/weharmony/kernel_liteos_a_note/liteipc/)
+        + [tickless](https://gitee.com/weharmony/kernel_liteos_a_note/tickless/)
+            + [los_tickless.c](https://gitee.com/weharmony/kernel_liteos_a_note)
+        + [trace](https://gitee.com/weharmony/kernel_liteos_a_note/trace/)
+            + [los_trace.c](https://gitee.com/weharmony/kernel_liteos_a_note)
+        + [vdso](https://gitee.com/weharmony/kernel_liteos_a_note/vdso/)
+            + [src](https://gitee.com/weharmony/kernel_liteos_a_note)
+                + [los_vdso.c](https://gitee.com/weharmony/kernel_liteos_a_note)
+                + [los_vdso_text.S](https://gitee.com/weharmony/kernel_liteos_a_note)
+            + [usr](https://gitee.com/weharmony/kernel_liteos_a_note)
+                + [los_vdso_sys.c](https://gitee.com/weharmony/kernel_liteos_a_note)      
+    + [user/src](https://gitee.com/weharmony/kernel_liteos_a_note/user/src)
+    	+ [los_user_init.c](https://gitee.com/weharmony/kernel_liteos_a_note)