/**
?*?@ingroup?BasicDef
?*
?*?@def?RT_ALIGN_DOWN（size?align）
?*?Return?the?down?number?of?aligned?at?specified?width.?RT_ALIGN_DOWN（13?4）
?*?would?return?12.
?*/
#define?RT_ALIGN_DOWN（size?align）??????（（size）?&?~（（align）?-?1））

unsigned?long?rt_interrupt_from_thread?rt_interrupt_to_thread?rt_thread_switch_interrupt_flag;

struct?exception_stack_frame
{
????unsigned?long?r0;
????unsigned?long?r1;
????unsigned?long?r2;
????unsigned?long?r3;
????unsigned?long?r12;
????unsigned?long?lr;???//14
????unsigned?long?pc;???//15
????unsigned?long?psr;??//13
};

struct?stack_frame
{
????/*?r4?~?r11?register?*/
????unsigned?long?r4;
????unsigned?long?r5;
????unsigned?long?r6;
????unsigned?long?r7;
????unsigned?long?r8;
????unsigned?long?r9;
????unsigned?long?r10;
????unsigned?long?r11;

????struct?exception_stack_frame?exception_stack_frame;
};

unsigned?char?*rt_hw_stack_init（void???????*tentry
?????????????????????????????void???????*parameter
?????????????????????????????unsigned?char?*stack_addr
?????????????????????????????void???????*texit）
{
????struct?stack_frame?*stack_frame;
????unsigned?char?????????*stk;
????unsigned?long???????i;

????stk??=?stack_addr?+?sizeof（unsigned?long）;
????stk??=?（unsigned?char?*）RT_ALIGN_DOWN（（unsigned?long）stk?8）;
????stk?-=?sizeof（struct?stack_frame）;

????stack_frame?=?（struct?stack_frame?*）stk;

????/*?init?all?register?*/
????for?（i?=?0;?i?ame）?/?sizeof（unsigned?long）;?i?++）
????{
????????（（unsigned?long?*）stack_frame）[i]?=?0xdeadbeef;
????}

????stack_frame->exception_stack_frame.r0??=?（unsigned?long）parameter;?/*?r0?:?argument?*/
????stack_frame->exception_stack_frame.r1??=?0;????????????????????????/*?r1?*/
????stack_frame->exception_stack_frame.r2??=?0;????????????????????????/*?r2?*/
????stack_frame->exception_stack_frame.r3??=?0;????????????????????????/*?r3?*/
????stack_frame->exception_stack_frame.r12?=?0;????????????????????????/*?r12?*/
????stack_frame->exception_stack_frame.lr??=?（unsigned?long）texit;?????/*?lr?*/
????stack_frame->exception_stack_frame.pc??=?（unsigned?long）tentry;????/*?entry?point?pc?*/
????stack_frame->exception_stack_frame.psr?=?0x01000000L;??????????????/*?PSR?*/

????/*?return?task‘s?current?stack?address?*/
????return?stk;
}

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----

?????文件?????????14??2019-05-10?11:25??RTT-Mini\.git\COMMIT_EDITMSG

?????文件????????157??2019-05-06?14:14??RTT-Mini\.git\config

?????文件?????????73??2019-05-06?14:14??RTT-Mini\.git\description

?????文件?????????31??2019-05-10?11:22??RTT-Mini\.git\HEAD

?????文件????????478??2019-05-06?14:14??RTT-Mini\.git\hooks\applypatch-msg.sample

?????文件????????896??2019-05-06?14:14??RTT-Mini\.git\hooks\commit-msg.sample

?????文件????????189??2019-05-06?14:14??RTT-Mini\.git\hooks\post-update.sample

?????文件????????424??2019-05-06?14:14??RTT-Mini\.git\hooks\pre-applypatch.sample

?????文件???????1642??2019-05-06?14:14??RTT-Mini\.git\hooks\pre-commit.sample

?????文件???????1348??2019-05-06?14:14??RTT-Mini\.git\hooks\pre-push.sample

?????文件???????4951??2019-05-06?14:14??RTT-Mini\.git\hooks\pre-rebase.sample

?????文件???????1239??2019-05-06?14:14??RTT-Mini\.git\hooks\prepare-commit-msg.sample

?????文件???????3611??2019-05-06?14:14??RTT-Mini\.git\hooks\update.sample

?????文件??????15252??2019-05-10?11:25??RTT-Mini\.git\index

?????文件????????240??2019-05-06?14:14??RTT-Mini\.git\info\exclude

?????文件???????1004??2019-05-10?11:25??RTT-Mini\.git\logs\HEAD

?????文件????????498??2019-05-10?11:25??RTT-Mini\.git\logs\refs\heads\context_switch

?????文件????????487??2019-05-10?11:21??RTT-Mini\.git\logs\refs\heads\master

?????文件???????3443??2019-05-06?14:16??RTT-Mini\.git\objects\02\9761adc57040e0b27053dccd2ec2ef09063671

?????文件????????152??2019-05-10?11:21??RTT-Mini\.git\objects\04\503fed1ac82c48ff86140afc1e3540a842c0ca

?????文件????????152??2019-05-10?11:20??RTT-Mini\.git\objects\05\abc4d0b7f230532ed1a929ca27b3d61ec04121

?????文件???????2841??2019-05-06?14:16??RTT-Mini\.git\objects\07\6aa7fe3ddc00894410c216bc97d79ff69136d6

?????文件?????????45??2019-05-06?14:18??RTT-Mini\.git\objects\07\cac2c4b8f75949cf2b80df11f202598325dc2a

?????文件???????3097??2019-05-06?14:16??RTT-Mini\.git\objects\09\291a56caf058189d688be3b87e9f687d324b6d

?????文件???????3318??2019-05-06?14:16??RTT-Mini\.git\objects\0c\87160882f96af757dc5373b93d3f8b494e33ec

?????文件????????254??2019-05-06?14:18??RTT-Mini\.git\objects\10\05a6880ef27dfad2417a258997acc59e392792

?????文件???????5474??2019-05-06?14:16??RTT-Mini\.git\objects\11\49c34777ac24b415bf9cefbf80d11d9f0a7a7a

?????文件???????3386??2019-05-06?14:16??RTT-Mini\.git\objects\11\ccfe39e06eaf188d8ea02f1c3cc11c3dc6bf2a

?????文件????????923??2019-05-06?14:17??RTT-Mini\.git\objects\13\1ce32f8b07173cfb59d4136aa87b3a1bbd5601

?????文件?????????17??2019-05-06?14:16??RTT-Mini\.git\objects\13\9597f9cb07c5d48bed18984ec4747f4b4f3438

............此處省略514個文件信息