From abaf9450f61c2eca2b4541ebc082651ffd0e9d21 Mon Sep 17 00:00:00 2001
From: linshire <1127384500@qq.com>
Date: Tue, 6 Sep 2022 15:49:26 +0800
Subject: [PATCH 1/4] add processor modes and privilege levels picture

---
 .../processor_ modes_and_privilege levels.png   | Bin 0 -> 13436 bytes
 .../programming-manual/interrupt/interrupt.md   |   4 +++-
 2 files changed, 3 insertions(+), 1 deletion(-)
 create mode 100644 rt-thread-version/rt-thread-standard/programming-manual/interrupt/figures/processor_ modes_and_privilege levels.png

diff --git a/rt-thread-version/rt-thread-standard/programming-manual/interrupt/figures/processor_ modes_and_privilege levels.png b/rt-thread-version/rt-thread-standard/programming-manual/interrupt/figures/processor_ modes_and_privilege levels.png
new file mode 100644
index 0000000000000000000000000000000000000000..aed6838743cf7f40fee2611e633903ceabc6ef1e
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diff --git a/rt-thread-version/rt-thread-standard/programming-manual/interrupt/interrupt.md b/rt-thread-version/rt-thread-standard/programming-manual/interrupt/interrupt.md
index ff48063..7c7855b 100644
--- a/rt-thread-version/rt-thread-standard/programming-manual/interrupt/interrupt.md
+++ b/rt-thread-version/rt-thread-standard/programming-manual/interrupt/interrupt.md
@@ -41,7 +41,9 @@ Cortex-M 引入了操作模式和特权级别的概念，分别为线程模式
 
 ![Cortex-M 工作模式状态图](figures/09interrupt_work_sta.png)
 
-Cortex-M 有两个运行级别，分别为特权级和用户级，线程模式可以工作在特权级或者用户级，而处理模式总工作在特权级，可通过 CONTROL 特殊寄存器控制。工作模式状态切换情况如上图所示。
+Cortex-M 有两个运行级别，分别为特权级和用户级，线程模式可以工作在特权级或者用户级，而处理模式总工作在特权级，可通过 CONTROL 特殊寄存器控制。工作模式状态切换情况如上图所示，需要注意的是， Cortex-M 是没有用户 hander 模式的，那是错误的用法。
+
+![image-20220906153732157](figures/processor_ modes_and_privilege levels.png)
 
 Cortex-M 的堆栈寄存器 SP 对应两个物理寄存器 MSP 和 PSP，MSP 为主堆栈，PSP 为进程堆栈，处理模式总是使用 MSP 作为堆栈，线程模式可以选择使用 MSP 或 PSP 作为堆栈，同样通过 CONTROL 特殊寄存器控制。复位后，Cortex-M 默认进入线程模式、特权级、使用 MSP 堆栈。
 
-- 
Gitee


From 8217453e40207e7528a9fe66dfde6ffc75c120b0 Mon Sep 17 00:00:00 2001
From: linshire <1127384500@qq.com>
Date: Tue, 6 Sep 2022 16:13:50 +0800
Subject: [PATCH 2/4] =?UTF-8?q?=E4=BF=AE=E6=94=B9=E4=BA=86handler=E7=9A=84?=
 =?UTF-8?q?=E6=8B=BC=E5=86=99=E9=94=99=E8=AF=AF?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 .../programming-manual/interrupt/interrupt.md                   | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/rt-thread-version/rt-thread-standard/programming-manual/interrupt/interrupt.md b/rt-thread-version/rt-thread-standard/programming-manual/interrupt/interrupt.md
index 7c7855b..5c81dc0 100644
--- a/rt-thread-version/rt-thread-standard/programming-manual/interrupt/interrupt.md
+++ b/rt-thread-version/rt-thread-standard/programming-manual/interrupt/interrupt.md
@@ -41,7 +41,7 @@ Cortex-M 引入了操作模式和特权级别的概念，分别为线程模式
 
 ![Cortex-M 工作模式状态图](figures/09interrupt_work_sta.png)
 
-Cortex-M 有两个运行级别，分别为特权级和用户级，线程模式可以工作在特权级或者用户级，而处理模式总工作在特权级，可通过 CONTROL 特殊寄存器控制。工作模式状态切换情况如上图所示，需要注意的是， Cortex-M 是没有用户 hander 模式的，那是错误的用法。
+Cortex-M 有两个运行级别，分别为特权级和用户级，线程模式可以工作在特权级或者用户级，而处理模式总工作在特权级，可通过 CONTROL 特殊寄存器控制。工作模式状态切换情况如上图所示，需要注意的是， Cortex-M 是没有用户 handler 模式的，那是错误的用法。
 
 ![image-20220906153732157](figures/processor_ modes_and_privilege levels.png)
 
-- 
Gitee


From 8f1358068de38c8f58de77c885f0aec49ddb7ef6 Mon Sep 17 00:00:00 2001
From: linshire <1127384500@qq.com>
Date: Tue, 6 Sep 2022 16:15:28 +0800
Subject: [PATCH 3/4] just add one word

---
 .../programming-manual/interrupt/interrupt.md                   | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/rt-thread-version/rt-thread-standard/programming-manual/interrupt/interrupt.md b/rt-thread-version/rt-thread-standard/programming-manual/interrupt/interrupt.md
index 5c81dc0..952b596 100644
--- a/rt-thread-version/rt-thread-standard/programming-manual/interrupt/interrupt.md
+++ b/rt-thread-version/rt-thread-standard/programming-manual/interrupt/interrupt.md
@@ -41,7 +41,7 @@ Cortex-M 引入了操作模式和特权级别的概念，分别为线程模式
 
 ![Cortex-M 工作模式状态图](figures/09interrupt_work_sta.png)
 
-Cortex-M 有两个运行级别，分别为特权级和用户级，线程模式可以工作在特权级或者用户级，而处理模式总工作在特权级，可通过 CONTROL 特殊寄存器控制。工作模式状态切换情况如上图所示，需要注意的是， Cortex-M 是没有用户 handler 模式的，那是错误的用法。
+Cortex-M 有两个运行级别，分别为特权级和用户级，线程模式可以工作在特权级或者用户级，而处理模式总工作在特权级，可通过 CONTROL 特殊寄存器控制。工作模式状态切换情况如上图所示，需要注意的是， Cortex-M 是没有用户级 handler 模式的，那是错误的用法。
 
 ![image-20220906153732157](figures/processor_ modes_and_privilege levels.png)
 
-- 
Gitee


From cca3af706083418ddbeb85f4c5972a9753f3b8cd Mon Sep 17 00:00:00 2001
From: linshire <1127384500@qq.com>
Date: Thu, 8 Sep 2022 19:49:26 +0800
Subject: [PATCH 4/4] change file name

---
 ...ng => processor_ modes_and_privilege_levels.png} | Bin
 .../programming-manual/interrupt/interrupt.md       |   2 +-
 2 files changed, 1 insertion(+), 1 deletion(-)
 rename rt-thread-version/rt-thread-standard/programming-manual/interrupt/figures/{processor_ modes_and_privilege levels.png => processor_ modes_and_privilege_levels.png} (100%)

diff --git a/rt-thread-version/rt-thread-standard/programming-manual/interrupt/figures/processor_ modes_and_privilege levels.png b/rt-thread-version/rt-thread-standard/programming-manual/interrupt/figures/processor_ modes_and_privilege_levels.png
similarity index 100%
rename from rt-thread-version/rt-thread-standard/programming-manual/interrupt/figures/processor_ modes_and_privilege levels.png
rename to rt-thread-version/rt-thread-standard/programming-manual/interrupt/figures/processor_ modes_and_privilege_levels.png
diff --git a/rt-thread-version/rt-thread-standard/programming-manual/interrupt/interrupt.md b/rt-thread-version/rt-thread-standard/programming-manual/interrupt/interrupt.md
index 952b596..8bb25a5 100644
--- a/rt-thread-version/rt-thread-standard/programming-manual/interrupt/interrupt.md
+++ b/rt-thread-version/rt-thread-standard/programming-manual/interrupt/interrupt.md
@@ -43,7 +43,7 @@ Cortex-M 引入了操作模式和特权级别的概念，分别为线程模式
 
 Cortex-M 有两个运行级别，分别为特权级和用户级，线程模式可以工作在特权级或者用户级，而处理模式总工作在特权级，可通过 CONTROL 特殊寄存器控制。工作模式状态切换情况如上图所示，需要注意的是， Cortex-M 是没有用户级 handler 模式的，那是错误的用法。
 
-![image-20220906153732157](figures/processor_ modes_and_privilege levels.png)
+![image-20220906153732157](figures/processor_ modes_and_privilege_levels.png)
 
 Cortex-M 的堆栈寄存器 SP 对应两个物理寄存器 MSP 和 PSP，MSP 为主堆栈，PSP 为进程堆栈，处理模式总是使用 MSP 作为堆栈，线程模式可以选择使用 MSP 或 PSP 作为堆栈，同样通过 CONTROL 特殊寄存器控制。复位后，Cortex-M 默认进入线程模式、特权级、使用 MSP 堆栈。
 
-- 
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