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    <title>봄을 기다리는 낙엽</title>
    <link>https://leaf-nam.github.io/</link>
    <description>Recent content on 봄을 기다리는 낙엽</description>
    <generator>Hugo</generator>
    <language>ko</language>
    <managingEditor>spearoad15@gmail.com (Sangyeop Nam)</managingEditor>
    <webMaster>spearoad15@gmail.com (Sangyeop Nam)</webMaster>
    <lastBuildDate>Thu, 26 Mar 2026 08:59:46 +0900</lastBuildDate>
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    <item>
      <title>개발 블로그를 다시 시작하며...</title>
      <link>https://leaf-nam.github.io/posts/restart/</link>
      <pubDate>Sun, 03 Nov 2024 18:18:14 +0900</pubDate><author>spearoad15@gmail.com (Sangyeop Nam)</author>
      <guid>https://leaf-nam.github.io/posts/restart/</guid>
      <description>블로그 다시 시작하기</description>
    </item>
    <item>
      <title>블로그를 쓰게 된 계기와 앞으로의 방향성</title>
      <link>https://leaf-nam.github.io/posts/helloworld/</link>
      <pubDate>Wed, 28 Feb 2024 21:06:14 +0900</pubDate><author>spearoad15@gmail.com (Sangyeop Nam)</author>
      <guid>https://leaf-nam.github.io/posts/helloworld/</guid>
      <description>내 첫번째 블로그 포스팅</description>
    </item>
    <item>
      <title>개발 블로그의 종류와 선택</title>
      <link>https://leaf-nam.github.io/posts/gitblog/1/</link>
      <pubDate>Thu, 29 Feb 2024 21:28:56 +0900</pubDate><author>spearoad15@gmail.com (Sangyeop Nam)</author>
      <guid>https://leaf-nam.github.io/posts/gitblog/1/</guid>
      <description>처음 마주하는 갈림길</description>
    </item>
    <item>
      <title>임베디드 리눅스에서 커널 시스템 콜과 디바이스 트리 동작원리 이해하기</title>
      <link>https://leaf-nam.github.io/posts/rtos/embedded-linux-device-tree-understand/</link>
      <pubDate>Thu, 26 Mar 2026 08:59:46 +0900</pubDate><author>spearoad15@gmail.com (Sangyeop Nam)</author>
      <guid>https://leaf-nam.github.io/posts/rtos/embedded-linux-device-tree-understand/</guid>
      <description>임베디드 리눅스가 커널 시스템 콜과 디바이스 트리를 사용해서 어떻게 사용자 요청을 지원하는지 알아보겠습니다.</description>
    </item>
    <item>
      <title>Context Switch 중 Bus Fault 발생 원인 분석(STM32F429 &#43; FreeRTOS)</title>
      <link>https://leaf-nam.github.io/posts/rtos/rtos-context-switch-bus-fault/</link>
      <pubDate>Wed, 11 Feb 2026 10:27:45 +0900</pubDate><author>spearoad15@gmail.com (Sangyeop Nam)</author>
      <guid>https://leaf-nam.github.io/posts/rtos/rtos-context-switch-bus-fault/</guid>
      <description>&lt;h2 id=&#34;상황&#34;&gt;상황&lt;/h2&gt;
&lt;ul&gt;
&lt;li&gt;Windows11 CubeIDE&lt;/li&gt;
&lt;li&gt;STM32F429 + FreeRTOS 포팅&lt;/li&gt;
&lt;li&gt;context switch(이하 문맥전환) 수업 시간에 각 태스크에서 led를 켜고, delay 시 led를 끄도록 위 코드와 같이 작성함&lt;/li&gt;
&lt;li&gt;디버깅 시 &lt;code&gt;첫번째, 두번째 문맥 전환&lt;/code&gt;에서는 정상 동작&lt;/li&gt;
&lt;li&gt;&lt;code&gt;세번째 문맥 전환 발생 시&lt;/code&gt; Bus Fault 발생&lt;/li&gt;
&lt;/ul&gt;
&lt;p&gt;&lt;img alt=&#34;situation1&#34; loading=&#34;lazy&#34; src=&#34;https://leaf-nam.github.io/posts/rtos/rtos-context-switch-bus-fault/situation1.png#center&#34;&gt;&lt;/p&gt;
&lt;h3 id=&#34;소스-코드&#34;&gt;소스 코드&lt;/h3&gt;
&lt;div class=&#34;highlight&#34;&gt;&lt;pre tabindex=&#34;0&#34; class=&#34;chroma&#34;&gt;&lt;code class=&#34;language-c&#34; data-lang=&#34;c&#34;&gt;&lt;span class=&#34;line&#34;&gt;&lt;span class=&#34;cl&#34;&gt;&lt;span class=&#34;kt&#34;&gt;void&lt;/span&gt; &lt;span class=&#34;nf&#34;&gt;xPortPendSVHandler&lt;/span&gt;&lt;span class=&#34;p&#34;&gt;(&lt;/span&gt; &lt;span class=&#34;kt&#34;&gt;void&lt;/span&gt; &lt;span class=&#34;p&#34;&gt;)&lt;/span&gt;
&lt;/span&gt;&lt;/span&gt;&lt;span class=&#34;line&#34;&gt;&lt;span class=&#34;cl&#34;&gt;&lt;span class=&#34;p&#34;&gt;{&lt;/span&gt;
&lt;/span&gt;&lt;/span&gt;&lt;span class=&#34;line&#34;&gt;&lt;span class=&#34;cl&#34;&gt;   &lt;span class=&#34;cm&#34;&gt;/* This is a naked function. */&lt;/span&gt;
&lt;/span&gt;&lt;/span&gt;&lt;span class=&#34;line&#34;&gt;&lt;span class=&#34;cl&#34;&gt;   &lt;span class=&#34;nf&#34;&gt;ledoff&lt;/span&gt;&lt;span class=&#34;p&#34;&gt;();&lt;/span&gt;
&lt;/span&gt;&lt;/span&gt;&lt;span class=&#34;line&#34;&gt;&lt;span class=&#34;cl&#34;&gt;
&lt;/span&gt;&lt;/span&gt;&lt;span class=&#34;line&#34;&gt;&lt;span class=&#34;cl&#34;&gt;   &lt;span class=&#34;kr&#34;&gt;__asm&lt;/span&gt; &lt;span class=&#34;k&#34;&gt;volatile&lt;/span&gt;
&lt;/span&gt;&lt;/span&gt;&lt;span class=&#34;line&#34;&gt;&lt;span class=&#34;cl&#34;&gt;   &lt;span class=&#34;p&#34;&gt;(&lt;/span&gt;
&lt;/span&gt;&lt;/span&gt;&lt;span class=&#34;line&#34;&gt;&lt;span class=&#34;cl&#34;&gt;   &lt;span class=&#34;s&#34;&gt;&amp;#34;   mrs r0, psp                     &lt;/span&gt;&lt;span class=&#34;se&#34;&gt;\n&lt;/span&gt;&lt;span class=&#34;s&#34;&gt;&amp;#34;&lt;/span&gt;
&lt;/span&gt;&lt;/span&gt;&lt;span class=&#34;line&#34;&gt;&lt;span class=&#34;cl&#34;&gt;   &lt;span class=&#34;s&#34;&gt;&amp;#34;   isb                           &lt;/span&gt;&lt;span class=&#34;se&#34;&gt;\n&lt;/span&gt;&lt;span class=&#34;s&#34;&gt;&amp;#34;&lt;/span&gt;
&lt;/span&gt;&lt;/span&gt;&lt;span class=&#34;line&#34;&gt;&lt;span class=&#34;cl&#34;&gt;   &lt;span class=&#34;s&#34;&gt;&amp;#34;                              &lt;/span&gt;&lt;span class=&#34;se&#34;&gt;\n&lt;/span&gt;&lt;span class=&#34;s&#34;&gt;&amp;#34;&lt;/span&gt;
&lt;/span&gt;&lt;/span&gt;&lt;span class=&#34;line&#34;&gt;&lt;span class=&#34;cl&#34;&gt;   &lt;span class=&#34;s&#34;&gt;&amp;#34;   ldr   r3, pxCurrentTCBConst         &lt;/span&gt;&lt;span class=&#34;se&#34;&gt;\n&lt;/span&gt;&lt;span class=&#34;s&#34;&gt;&amp;#34;&lt;/span&gt; &lt;span class=&#34;cm&#34;&gt;/* Get the location of the current TCB. */&lt;/span&gt;
&lt;/span&gt;&lt;/span&gt;&lt;span class=&#34;line&#34;&gt;&lt;span class=&#34;cl&#34;&gt;   &lt;span class=&#34;s&#34;&gt;&amp;#34;   ldr   r2, [r3]                  &lt;/span&gt;&lt;span class=&#34;se&#34;&gt;\n&lt;/span&gt;&lt;span class=&#34;s&#34;&gt;&amp;#34;&lt;/span&gt;
&lt;/span&gt;&lt;/span&gt;&lt;span class=&#34;line&#34;&gt;&lt;span class=&#34;cl&#34;&gt;   &lt;span class=&#34;s&#34;&gt;&amp;#34;                              &lt;/span&gt;&lt;span class=&#34;se&#34;&gt;\n&lt;/span&gt;&lt;span class=&#34;s&#34;&gt;&amp;#34;&lt;/span&gt;
&lt;/span&gt;&lt;/span&gt;&lt;span class=&#34;line&#34;&gt;&lt;span class=&#34;cl&#34;&gt;   &lt;span class=&#34;s&#34;&gt;&amp;#34;   tst r14, #0x10                  &lt;/span&gt;&lt;span class=&#34;se&#34;&gt;\n&lt;/span&gt;&lt;span class=&#34;s&#34;&gt;&amp;#34;&lt;/span&gt; &lt;span class=&#34;cm&#34;&gt;/* Is the task using the FPU context?  If so, push high vfp registers. */&lt;/span&gt;
&lt;/span&gt;&lt;/span&gt;&lt;span class=&#34;line&#34;&gt;&lt;span class=&#34;cl&#34;&gt;   &lt;span class=&#34;s&#34;&gt;&amp;#34;   it eq                        &lt;/span&gt;&lt;span class=&#34;se&#34;&gt;\n&lt;/span&gt;&lt;span class=&#34;s&#34;&gt;&amp;#34;&lt;/span&gt;
&lt;/span&gt;&lt;/span&gt;&lt;span class=&#34;line&#34;&gt;&lt;span class=&#34;cl&#34;&gt;   &lt;span class=&#34;s&#34;&gt;&amp;#34;   vstmdbeq r0!, {s16-s31}            &lt;/span&gt;&lt;span class=&#34;se&#34;&gt;\n&lt;/span&gt;&lt;span class=&#34;s&#34;&gt;&amp;#34;&lt;/span&gt;
&lt;/span&gt;&lt;/span&gt;&lt;span class=&#34;line&#34;&gt;&lt;span class=&#34;cl&#34;&gt;   &lt;span class=&#34;s&#34;&gt;&amp;#34;                              &lt;/span&gt;&lt;span class=&#34;se&#34;&gt;\n&lt;/span&gt;&lt;span class=&#34;s&#34;&gt;&amp;#34;&lt;/span&gt;
&lt;/span&gt;&lt;/span&gt;&lt;span class=&#34;line&#34;&gt;&lt;span class=&#34;cl&#34;&gt;   &lt;span class=&#34;s&#34;&gt;&amp;#34;   stmdb r0!, {r4-r11, r14}         &lt;/span&gt;&lt;span class=&#34;se&#34;&gt;\n&lt;/span&gt;&lt;span class=&#34;s&#34;&gt;&amp;#34;&lt;/span&gt; &lt;span class=&#34;cm&#34;&gt;/* Save the core registers. */&lt;/span&gt;
&lt;/span&gt;&lt;/span&gt;&lt;span class=&#34;line&#34;&gt;&lt;span class=&#34;cl&#34;&gt;   &lt;span class=&#34;s&#34;&gt;&amp;#34;   str r0, [r2]                  &lt;/span&gt;&lt;span class=&#34;se&#34;&gt;\n&lt;/span&gt;&lt;span class=&#34;s&#34;&gt;&amp;#34;&lt;/span&gt; &lt;span class=&#34;cm&#34;&gt;/* Save the new top of stack into the first member of the TCB. */&lt;/span&gt;
&lt;/span&gt;&lt;/span&gt;&lt;span class=&#34;line&#34;&gt;&lt;span class=&#34;cl&#34;&gt;   &lt;span class=&#34;s&#34;&gt;&amp;#34;                              &lt;/span&gt;&lt;span class=&#34;se&#34;&gt;\n&lt;/span&gt;&lt;span class=&#34;s&#34;&gt;&amp;#34;&lt;/span&gt;
&lt;/span&gt;&lt;/span&gt;&lt;span class=&#34;line&#34;&gt;&lt;span class=&#34;cl&#34;&gt;   &lt;span class=&#34;s&#34;&gt;&amp;#34;   stmdb sp!, {r0, r3}               &lt;/span&gt;&lt;span class=&#34;se&#34;&gt;\n&lt;/span&gt;&lt;span class=&#34;s&#34;&gt;&amp;#34;&lt;/span&gt;
&lt;/span&gt;&lt;/span&gt;&lt;span class=&#34;line&#34;&gt;&lt;span class=&#34;cl&#34;&gt;   &lt;span class=&#34;s&#34;&gt;&amp;#34;   mov r0, %0                      &lt;/span&gt;&lt;span class=&#34;se&#34;&gt;\n&lt;/span&gt;&lt;span class=&#34;s&#34;&gt;&amp;#34;&lt;/span&gt;
&lt;/span&gt;&lt;/span&gt;&lt;span class=&#34;line&#34;&gt;&lt;span class=&#34;cl&#34;&gt;   &lt;span class=&#34;s&#34;&gt;&amp;#34;   msr basepri, r0                  &lt;/span&gt;&lt;span class=&#34;se&#34;&gt;\n&lt;/span&gt;&lt;span class=&#34;s&#34;&gt;&amp;#34;&lt;/span&gt;
&lt;/span&gt;&lt;/span&gt;&lt;span class=&#34;line&#34;&gt;&lt;span class=&#34;cl&#34;&gt;   &lt;span class=&#34;s&#34;&gt;&amp;#34;   dsb                           &lt;/span&gt;&lt;span class=&#34;se&#34;&gt;\n&lt;/span&gt;&lt;span class=&#34;s&#34;&gt;&amp;#34;&lt;/span&gt;
&lt;/span&gt;&lt;/span&gt;&lt;span class=&#34;line&#34;&gt;&lt;span class=&#34;cl&#34;&gt;   &lt;span class=&#34;s&#34;&gt;&amp;#34;   isb                           &lt;/span&gt;&lt;span class=&#34;se&#34;&gt;\n&lt;/span&gt;&lt;span class=&#34;s&#34;&gt;&amp;#34;&lt;/span&gt;
&lt;/span&gt;&lt;/span&gt;&lt;span class=&#34;line&#34;&gt;&lt;span class=&#34;cl&#34;&gt;   &lt;span class=&#34;s&#34;&gt;&amp;#34;   bl vTaskSwitchContext            &lt;/span&gt;&lt;span class=&#34;se&#34;&gt;\n&lt;/span&gt;&lt;span class=&#34;s&#34;&gt;&amp;#34;&lt;/span&gt;
&lt;/span&gt;&lt;/span&gt;&lt;span class=&#34;line&#34;&gt;&lt;span class=&#34;cl&#34;&gt;   &lt;span class=&#34;s&#34;&gt;&amp;#34;   mov r0, #0                     &lt;/span&gt;&lt;span class=&#34;se&#34;&gt;\n&lt;/span&gt;&lt;span class=&#34;s&#34;&gt;&amp;#34;&lt;/span&gt;
&lt;/span&gt;&lt;/span&gt;&lt;span class=&#34;line&#34;&gt;&lt;span class=&#34;cl&#34;&gt;   &lt;span class=&#34;s&#34;&gt;&amp;#34;   msr basepri, r0                  &lt;/span&gt;&lt;span class=&#34;se&#34;&gt;\n&lt;/span&gt;&lt;span class=&#34;s&#34;&gt;&amp;#34;&lt;/span&gt;
&lt;/span&gt;&lt;/span&gt;&lt;span class=&#34;line&#34;&gt;&lt;span class=&#34;cl&#34;&gt;   &lt;span class=&#34;s&#34;&gt;&amp;#34;   ldmia sp!, {r0, r3}               &lt;/span&gt;&lt;span class=&#34;se&#34;&gt;\n&lt;/span&gt;&lt;span class=&#34;s&#34;&gt;&amp;#34;&lt;/span&gt;
&lt;/span&gt;&lt;/span&gt;&lt;span class=&#34;line&#34;&gt;&lt;span class=&#34;cl&#34;&gt;   &lt;span class=&#34;s&#34;&gt;&amp;#34;                              &lt;/span&gt;&lt;span class=&#34;se&#34;&gt;\n&lt;/span&gt;&lt;span class=&#34;s&#34;&gt;&amp;#34;&lt;/span&gt;
&lt;/span&gt;&lt;/span&gt;&lt;span class=&#34;line&#34;&gt;&lt;span class=&#34;cl&#34;&gt;   &lt;span class=&#34;s&#34;&gt;&amp;#34;   ldr r1, [r3]                  &lt;/span&gt;&lt;span class=&#34;se&#34;&gt;\n&lt;/span&gt;&lt;span class=&#34;s&#34;&gt;&amp;#34;&lt;/span&gt; &lt;span class=&#34;cm&#34;&gt;/* The first item in pxCurrentTCB is the task top of stack. */&lt;/span&gt;
&lt;/span&gt;&lt;/span&gt;&lt;span class=&#34;line&#34;&gt;&lt;span class=&#34;cl&#34;&gt;   &lt;span class=&#34;s&#34;&gt;&amp;#34;   ldr r0, [r1]                  &lt;/span&gt;&lt;span class=&#34;se&#34;&gt;\n&lt;/span&gt;&lt;span class=&#34;s&#34;&gt;&amp;#34;&lt;/span&gt;
&lt;/span&gt;&lt;/span&gt;&lt;span class=&#34;line&#34;&gt;&lt;span class=&#34;cl&#34;&gt;   &lt;span class=&#34;s&#34;&gt;&amp;#34;                              &lt;/span&gt;&lt;span class=&#34;se&#34;&gt;\n&lt;/span&gt;&lt;span class=&#34;s&#34;&gt;&amp;#34;&lt;/span&gt;
&lt;/span&gt;&lt;/span&gt;&lt;span class=&#34;line&#34;&gt;&lt;span class=&#34;cl&#34;&gt;   &lt;span class=&#34;s&#34;&gt;&amp;#34;   ldmia r0!, {r4-r11, r14}         &lt;/span&gt;&lt;span class=&#34;se&#34;&gt;\n&lt;/span&gt;&lt;span class=&#34;s&#34;&gt;&amp;#34;&lt;/span&gt; &lt;span class=&#34;cm&#34;&gt;/* Pop the core registers. */&lt;/span&gt;
&lt;/span&gt;&lt;/span&gt;&lt;span class=&#34;line&#34;&gt;&lt;span class=&#34;cl&#34;&gt;   &lt;span class=&#34;s&#34;&gt;&amp;#34;                              &lt;/span&gt;&lt;span class=&#34;se&#34;&gt;\n&lt;/span&gt;&lt;span class=&#34;s&#34;&gt;&amp;#34;&lt;/span&gt;
&lt;/span&gt;&lt;/span&gt;&lt;span class=&#34;line&#34;&gt;&lt;span class=&#34;cl&#34;&gt;   &lt;span class=&#34;s&#34;&gt;&amp;#34;   tst r14, #0x10                  &lt;/span&gt;&lt;span class=&#34;se&#34;&gt;\n&lt;/span&gt;&lt;span class=&#34;s&#34;&gt;&amp;#34;&lt;/span&gt; &lt;span class=&#34;cm&#34;&gt;/* Is the task using the FPU context?  If so, pop the high vfp registers too. */&lt;/span&gt;
&lt;/span&gt;&lt;/span&gt;&lt;span class=&#34;line&#34;&gt;&lt;span class=&#34;cl&#34;&gt;   &lt;span class=&#34;s&#34;&gt;&amp;#34;   it eq                        &lt;/span&gt;&lt;span class=&#34;se&#34;&gt;\n&lt;/span&gt;&lt;span class=&#34;s&#34;&gt;&amp;#34;&lt;/span&gt;
&lt;/span&gt;&lt;/span&gt;&lt;span class=&#34;line&#34;&gt;&lt;span class=&#34;cl&#34;&gt;   &lt;span class=&#34;s&#34;&gt;&amp;#34;   vldmiaeq r0!, {s16-s31}            &lt;/span&gt;&lt;span class=&#34;se&#34;&gt;\n&lt;/span&gt;&lt;span class=&#34;s&#34;&gt;&amp;#34;&lt;/span&gt;
&lt;/span&gt;&lt;/span&gt;&lt;span class=&#34;line&#34;&gt;&lt;span class=&#34;cl&#34;&gt;   &lt;span class=&#34;s&#34;&gt;&amp;#34;                              &lt;/span&gt;&lt;span class=&#34;se&#34;&gt;\n&lt;/span&gt;&lt;span class=&#34;s&#34;&gt;&amp;#34;&lt;/span&gt;
&lt;/span&gt;&lt;/span&gt;&lt;span class=&#34;line&#34;&gt;&lt;span class=&#34;cl&#34;&gt;   &lt;span class=&#34;s&#34;&gt;&amp;#34;   msr psp, r0                     &lt;/span&gt;&lt;span class=&#34;se&#34;&gt;\n&lt;/span&gt;&lt;span class=&#34;s&#34;&gt;&amp;#34;&lt;/span&gt;
&lt;/span&gt;&lt;/span&gt;&lt;span class=&#34;line&#34;&gt;&lt;span class=&#34;cl&#34;&gt;   &lt;span class=&#34;s&#34;&gt;&amp;#34;   isb                           &lt;/span&gt;&lt;span class=&#34;se&#34;&gt;\n&lt;/span&gt;&lt;span class=&#34;s&#34;&gt;&amp;#34;&lt;/span&gt;
&lt;/span&gt;&lt;/span&gt;&lt;span class=&#34;line&#34;&gt;&lt;span class=&#34;cl&#34;&gt;   &lt;span class=&#34;s&#34;&gt;&amp;#34;                              &lt;/span&gt;&lt;span class=&#34;se&#34;&gt;\n&lt;/span&gt;&lt;span class=&#34;s&#34;&gt;&amp;#34;&lt;/span&gt;
&lt;/span&gt;&lt;/span&gt;&lt;span class=&#34;line&#34;&gt;&lt;span class=&#34;cl&#34;&gt;   &lt;span class=&#34;cp&#34;&gt;#ifdef WORKAROUND_PMU_CM001 &lt;/span&gt;&lt;span class=&#34;cm&#34;&gt;/* XMC4000 specific errata workaround. */&lt;/span&gt;&lt;span class=&#34;cp&#34;&gt;
&lt;/span&gt;&lt;/span&gt;&lt;/span&gt;&lt;span class=&#34;line&#34;&gt;&lt;span class=&#34;cl&#34;&gt;      &lt;span class=&#34;cp&#34;&gt;#if WORKAROUND_PMU_CM001 == 1
&lt;/span&gt;&lt;/span&gt;&lt;/span&gt;&lt;span class=&#34;line&#34;&gt;&lt;span class=&#34;cl&#34;&gt;   &lt;span class=&#34;s&#34;&gt;&amp;#34;         push { r14 }            &lt;/span&gt;&lt;span class=&#34;se&#34;&gt;\n&lt;/span&gt;&lt;span class=&#34;s&#34;&gt;&amp;#34;&lt;/span&gt;
&lt;/span&gt;&lt;/span&gt;&lt;span class=&#34;line&#34;&gt;&lt;span class=&#34;cl&#34;&gt;   &lt;span class=&#34;s&#34;&gt;&amp;#34;         pop { pc }               &lt;/span&gt;&lt;span class=&#34;se&#34;&gt;\n&lt;/span&gt;&lt;span class=&#34;s&#34;&gt;&amp;#34;&lt;/span&gt;
&lt;/span&gt;&lt;/span&gt;&lt;span class=&#34;line&#34;&gt;&lt;span class=&#34;cl&#34;&gt;      &lt;span class=&#34;cp&#34;&gt;#endif
&lt;/span&gt;&lt;/span&gt;&lt;/span&gt;&lt;span class=&#34;line&#34;&gt;&lt;span class=&#34;cl&#34;&gt;   &lt;span class=&#34;cp&#34;&gt;#endif
&lt;/span&gt;&lt;/span&gt;&lt;/span&gt;&lt;span class=&#34;line&#34;&gt;&lt;span class=&#34;cl&#34;&gt;   &lt;span class=&#34;s&#34;&gt;&amp;#34;                              &lt;/span&gt;&lt;span class=&#34;se&#34;&gt;\n&lt;/span&gt;&lt;span class=&#34;s&#34;&gt;&amp;#34;&lt;/span&gt;
&lt;/span&gt;&lt;/span&gt;&lt;span class=&#34;line&#34;&gt;&lt;span class=&#34;cl&#34;&gt;   &lt;span class=&#34;s&#34;&gt;&amp;#34;   bx r14                        &lt;/span&gt;&lt;span class=&#34;se&#34;&gt;\n&lt;/span&gt;&lt;span class=&#34;s&#34;&gt;&amp;#34;&lt;/span&gt;
&lt;/span&gt;&lt;/span&gt;&lt;span class=&#34;line&#34;&gt;&lt;span class=&#34;cl&#34;&gt;   &lt;span class=&#34;s&#34;&gt;&amp;#34;                              &lt;/span&gt;&lt;span class=&#34;se&#34;&gt;\n&lt;/span&gt;&lt;span class=&#34;s&#34;&gt;&amp;#34;&lt;/span&gt;
&lt;/span&gt;&lt;/span&gt;&lt;span class=&#34;line&#34;&gt;&lt;span class=&#34;cl&#34;&gt;   &lt;span class=&#34;s&#34;&gt;&amp;#34;   .align 4                     &lt;/span&gt;&lt;span class=&#34;se&#34;&gt;\n&lt;/span&gt;&lt;span class=&#34;s&#34;&gt;&amp;#34;&lt;/span&gt;
&lt;/span&gt;&lt;/span&gt;&lt;span class=&#34;line&#34;&gt;&lt;span class=&#34;cl&#34;&gt;   &lt;span class=&#34;s&#34;&gt;&amp;#34;pxCurrentTCBConst: .word pxCurrentTCB   &lt;/span&gt;&lt;span class=&#34;se&#34;&gt;\n&lt;/span&gt;&lt;span class=&#34;s&#34;&gt;&amp;#34;&lt;/span&gt;
&lt;/span&gt;&lt;/span&gt;&lt;span class=&#34;line&#34;&gt;&lt;span class=&#34;cl&#34;&gt;   &lt;span class=&#34;o&#34;&gt;::&lt;/span&gt;&lt;span class=&#34;s&#34;&gt;&amp;#34;i&amp;#34;&lt;/span&gt;&lt;span class=&#34;p&#34;&gt;(&lt;/span&gt;&lt;span class=&#34;n&#34;&gt;configMAX_SYSCALL_INTERRUPT_PRIORITY&lt;/span&gt;&lt;span class=&#34;p&#34;&gt;)&lt;/span&gt;
&lt;/span&gt;&lt;/span&gt;&lt;span class=&#34;line&#34;&gt;&lt;span class=&#34;cl&#34;&gt;   &lt;span class=&#34;p&#34;&gt;);&lt;/span&gt;
&lt;/span&gt;&lt;/span&gt;&lt;span class=&#34;line&#34;&gt;&lt;span class=&#34;cl&#34;&gt;&lt;span class=&#34;p&#34;&gt;}&lt;/span&gt;
&lt;/span&gt;&lt;/span&gt;&lt;span class=&#34;line&#34;&gt;&lt;span class=&#34;cl&#34;&gt;&lt;span class=&#34;cm&#34;&gt;/*-----------------------------------------------------------*/&lt;/span&gt;
&lt;/span&gt;&lt;/span&gt;&lt;/code&gt;&lt;/pre&gt;&lt;/div&gt;&lt;h2 id=&#34;원인요약&#34;&gt;원인(요약)&lt;/h2&gt;
&lt;ul&gt;
&lt;li&gt;
&lt;p&gt;xPortPendSVHandler()는 &lt;code&gt;naked 함수&lt;/code&gt;로 선언되어 있음&lt;/p&gt;</description>
    </item>
    <item>
      <title>[Java]Programmers 에어컨</title>
      <link>https://leaf-nam.github.io/cote/programmers_214289/</link>
      <pubDate>Wed, 26 Mar 2025 10:27:18 +0900</pubDate><author>spearoad15@gmail.com (Sangyeop Nam)</author>
      <guid>https://leaf-nam.github.io/cote/programmers_214289/</guid>
      <description>Programmers 에어컨 문제에 대한 해설입니다.</description>
    </item>
    <item>
      <title>[Java]Programmers 봉인된 주문</title>
      <link>https://leaf-nam.github.io/cote/programmers_389481/</link>
      <pubDate>Mon, 17 Mar 2025 16:02:10 +0900</pubDate><author>spearoad15@gmail.com (Sangyeop Nam)</author>
      <guid>https://leaf-nam.github.io/cote/programmers_389481/</guid>
      <description>Programmers 봉인된 주문 문제에 대한 해설입니다.</description>
    </item>
    <item>
      <title>NGinX 심볼릭 링크 트러블슈팅</title>
      <link>https://leaf-nam.github.io/tips/250311/</link>
      <pubDate>Tue, 11 Mar 2025 15:40:09 +0900</pubDate><author>spearoad15@gmail.com (Sangyeop Nam)</author>
      <guid>https://leaf-nam.github.io/tips/250311/</guid>
      <description>NGinX 심볼릭 링크 생성 중 발생한 오류를 해결합니다.</description>
    </item>
    <item>
      <title>[Java]Programmers 불량 사용자(2019 카카오 개발자 겨울 인턴십)</title>
      <link>https://leaf-nam.github.io/cote/programmers_64064/</link>
      <pubDate>Wed, 26 Feb 2025 16:14:34 +0900</pubDate><author>spearoad15@gmail.com (Sangyeop Nam)</author>
      <guid>https://leaf-nam.github.io/cote/programmers_64064/</guid>
      <description>Programmers 불량 사용자(2019 카카오 개발자 겨울 인턴십) 문제에 대한 해설입니다.</description>
    </item>
    <item>
      <title>[Java]Programmers GPS(2017 카카오코드 본선)</title>
      <link>https://leaf-nam.github.io/cote/programmers_1837/</link>
      <pubDate>Tue, 18 Feb 2025 14:12:46 +0900</pubDate><author>spearoad15@gmail.com (Sangyeop Nam)</author>
      <guid>https://leaf-nam.github.io/cote/programmers_1837/</guid>
      <description>Programmers GPS(2017 카카오코드 본선) 문제에 대한 해설입니다.</description>
    </item>
    <item>
      <title>[Java]Programmers 자물쇠와 열쇠(2020 KAKAO BLIND RECRUITMENT)</title>
      <link>https://leaf-nam.github.io/cote/programmers_60059/</link>
      <pubDate>Mon, 10 Feb 2025 12:14:05 +0900</pubDate><author>spearoad15@gmail.com (Sangyeop Nam)</author>
      <guid>https://leaf-nam.github.io/cote/programmers_60059/</guid>
      <description>Programmers 자물쇠와 열쇠(2020 KAKAO BLIND RECRUITMENT) 문제에 대한 해설입니다.</description>
    </item>
    <item>
      <title>[Java]Programmers 110 옮기기</title>
      <link>https://leaf-nam.github.io/cote/programmers_77886/</link>
      <pubDate>Wed, 05 Feb 2025 11:21:43 +0900</pubDate><author>spearoad15@gmail.com (Sangyeop Nam)</author>
      <guid>https://leaf-nam.github.io/cote/programmers_77886/</guid>
      <description>Programmers 110 옮기기 문제에 대한 해설입니다.</description>
    </item>
    <item>
      <title>[Java]Programmers 표 병합(2023 KAKAO BLIND RECRUITMENT)</title>
      <link>https://leaf-nam.github.io/cote/programmers_150366/</link>
      <pubDate>Wed, 05 Feb 2025 09:55:04 +0900</pubDate><author>spearoad15@gmail.com (Sangyeop Nam)</author>
      <guid>https://leaf-nam.github.io/cote/programmers_150366/</guid>
      <description>Programmers 표 병합(2023 KAKAO BLIND RECRUITMENT) 문제에 대한 해설입니다.</description>
    </item>
    <item>
      <title>[Java]Programmers 등산코스 정하기(2022 KAKAO TECH INTERNSHIP)</title>
      <link>https://leaf-nam.github.io/cote/programmers_118669/</link>
      <pubDate>Wed, 22 Jan 2025 10:50:48 +0900</pubDate><author>spearoad15@gmail.com (Sangyeop Nam)</author>
      <guid>https://leaf-nam.github.io/cote/programmers_118669/</guid>
      <description>Programmers 등산코스 정하기(2022 KAKAO TECH INTERNSHIP) 문제에 대한 해설입니다.</description>
    </item>
    <item>
      <title>[Java]SWEA 1249 보급로</title>
      <link>https://leaf-nam.github.io/cote/swea_1249/</link>
      <pubDate>Mon, 13 Jan 2025 09:47:57 +0900</pubDate><author>spearoad15@gmail.com (Sangyeop Nam)</author>
      <guid>https://leaf-nam.github.io/cote/swea_1249/</guid>
      <description>SWEA 1249 보급로 문제에 대한 해설입니다.</description>
    </item>
    <item>
      <title>[Java]Programmers 산 모양 타일링(2024 KAKAO WINTER INTERNSHIP)</title>
      <link>https://leaf-nam.github.io/cote/programmers_258705/</link>
      <pubDate>Tue, 07 Jan 2025 13:47:29 +0900</pubDate><author>spearoad15@gmail.com (Sangyeop Nam)</author>
      <guid>https://leaf-nam.github.io/cote/programmers_258705/</guid>
      <description>2024 KAKAO WINTER INTERNSHIP 산 모양 타일링 문제에 대한 해설입니다.</description>
    </item>
    <item>
      <title>[Java]백준 17470 배열 돌리기 5</title>
      <link>https://leaf-nam.github.io/cote/bj_17470/</link>
      <pubDate>Tue, 31 Dec 2024 09:49:24 +0900</pubDate><author>spearoad15@gmail.com (Sangyeop Nam)</author>
      <guid>https://leaf-nam.github.io/cote/bj_17470/</guid>
      <description>백준 17470 배열돌리기 5 문제에 대한 해설입니다.</description>
    </item>
    <item>
      <title>[Java]Programmers 멀쩡한 사각형</title>
      <link>https://leaf-nam.github.io/cote/programmers_62048/</link>
      <pubDate>Mon, 23 Dec 2024 15:51:25 +0900</pubDate><author>spearoad15@gmail.com (Sangyeop Nam)</author>
      <guid>https://leaf-nam.github.io/cote/programmers_62048/</guid>
      <description>Programmers 멀쩡한 사각형 문제에 대한 해설입니다.</description>
    </item>
    <item>
      <title>[Java]코드트리 메두사와 전사들 문제 해설</title>
      <link>https://leaf-nam.github.io/cote/codetree_medusa_and_warriors/</link>
      <pubDate>Sat, 21 Dec 2024 10:01:55 +0900</pubDate><author>spearoad15@gmail.com (Sangyeop Nam)</author>
      <guid>https://leaf-nam.github.io/cote/codetree_medusa_and_warriors/</guid>
      <description>코드트리 메두사와 전사들 문제에 대한 해설입니다.</description>
    </item>
    <item>
      <title>[Java]Programmers 수식 최대화(2020 KAKAO Internship)</title>
      <link>https://leaf-nam.github.io/cote/programmers_67257/</link>
      <pubDate>Wed, 18 Dec 2024 09:23:36 +0900</pubDate><author>spearoad15@gmail.com (Sangyeop Nam)</author>
      <guid>https://leaf-nam.github.io/cote/programmers_67257/</guid>
      <description>Programmers 수식 최대화(2020 KAKAO Internship) 문제에 대한 해설입니다.</description>
    </item>
    <item>
      <title>[Java]백준 1005 ACM Craft</title>
      <link>https://leaf-nam.github.io/cote/bj_1005/</link>
      <pubDate>Sun, 15 Dec 2024 17:38:30 +0900</pubDate><author>spearoad15@gmail.com (Sangyeop Nam)</author>
      <guid>https://leaf-nam.github.io/cote/bj_1005/</guid>
      <description>Bj 1005 ACM Craft 문제에 대한 해설입니다.</description>
    </item>
    <item>
      <title>[Java]Spring Security(With TDD) JWT 라이브러리 활용해서 간편하게 구현하기</title>
      <link>https://leaf-nam.github.io/posts/spring_security/6/</link>
      <pubDate>Sat, 14 Dec 2024 23:26:49 +0900</pubDate><author>spearoad15@gmail.com (Sangyeop Nam)</author>
      <guid>https://leaf-nam.github.io/posts/spring_security/6/</guid>
      <description>JWT를 통한 인증을 oauth2-resource-server를 활용해서 간편하게 구현합니다.</description>
    </item>
    <item>
      <title>[Java]백준 9202 Boggle</title>
      <link>https://leaf-nam.github.io/cote/bj_9202/</link>
      <pubDate>Tue, 10 Dec 2024 13:51:29 +0900</pubDate><author>spearoad15@gmail.com (Sangyeop Nam)</author>
      <guid>https://leaf-nam.github.io/cote/bj_9202/</guid>
      <description>백준 9202 Boggle 문제에 대한 해설입니다.</description>
    </item>
    <item>
      <title>[Java]Spring Security(With TDD) JWT 직접 구현하기</title>
      <link>https://leaf-nam.github.io/posts/spring_security/5/</link>
      <pubDate>Mon, 09 Dec 2024 22:01:51 +0900</pubDate><author>spearoad15@gmail.com (Sangyeop Nam)</author>
      <guid>https://leaf-nam.github.io/posts/spring_security/5/</guid>
      <description>JWT를 통한 인증을 직접 구현합니다.</description>
    </item>
    <item>
      <title>[Java]Spring Security(With TDD) 기본 인증 및 인가 구현하기</title>
      <link>https://leaf-nam.github.io/posts/spring_security/4/</link>
      <pubDate>Thu, 05 Dec 2024 19:58:51 +0900</pubDate><author>spearoad15@gmail.com (Sangyeop Nam)</author>
      <guid>https://leaf-nam.github.io/posts/spring_security/4/</guid>
      <description>TDD로 Spring Security의 기본 인증 및 인가를 구현합니다.</description>
    </item>
    <item>
      <title>[Java]Programmers 순위 검색(2021 KAKAO BLIND RECRUITMENT)</title>
      <link>https://leaf-nam.github.io/cote/programmers_72412/</link>
      <pubDate>Wed, 04 Dec 2024 12:55:12 +0900</pubDate><author>spearoad15@gmail.com (Sangyeop Nam)</author>
      <guid>https://leaf-nam.github.io/cote/programmers_72412/</guid>
      <description>Programmers 순위 검색(2021 KAKAO BLIND RECRUITMENT) 문제에 대한 해설입니다.</description>
    </item>
    <item>
      <title>[Java]백준 14942 개미</title>
      <link>https://leaf-nam.github.io/cote/bj_14942/</link>
      <pubDate>Tue, 03 Dec 2024 17:20:52 +0900</pubDate><author>spearoad15@gmail.com (Sangyeop Nam)</author>
      <guid>https://leaf-nam.github.io/cote/bj_14942/</guid>
      <description>백준 14942 개미 문제에 대한 해설입니다.</description>
    </item>
    <item>
      <title>[Java]Spring Security 인증(Authentication)과 인가(Authorization)</title>
      <link>https://leaf-nam.github.io/posts/spring_security/3/</link>
      <pubDate>Fri, 29 Nov 2024 12:24:33 +0900</pubDate><author>spearoad15@gmail.com (Sangyeop Nam)</author>
      <guid>https://leaf-nam.github.io/posts/spring_security/3/</guid>
      <description>Spring Security의 인가 로직에 대해 알아봅니다.</description>
    </item>
    <item>
      <title>[Java]Programmers 숫자 타자 대회</title>
      <link>https://leaf-nam.github.io/cote/programmers_136797/</link>
      <pubDate>Thu, 28 Nov 2024 09:14:35 +0900</pubDate><author>spearoad15@gmail.com (Sangyeop Nam)</author>
      <guid>https://leaf-nam.github.io/cote/programmers_136797/</guid>
      <description>Programmers 숫자 타자 대회 문제에 대한 해설입니다.</description>
    </item>
    <item>
      <title>[Java]Programmers 혼자 놀기의 달인</title>
      <link>https://leaf-nam.github.io/cote/programmers_131130/</link>
      <pubDate>Mon, 25 Nov 2024 08:57:41 +0900</pubDate><author>spearoad15@gmail.com (Sangyeop Nam)</author>
      <guid>https://leaf-nam.github.io/cote/programmers_131130/</guid>
      <description>Programmers 혼자 놀기의 달인 문제에 대한 해설입니다.</description>
    </item>
    <item>
      <title>[DNS] 가비아 도메인으로 Vercel 홈페이지 배포 시 SSL 인증서 만료 해결</title>
      <link>https://leaf-nam.github.io/tips/241120/</link>
      <pubDate>Wed, 20 Nov 2024 23:24:10 +0900</pubDate><author>spearoad15@gmail.com (Sangyeop Nam)</author>
      <guid>https://leaf-nam.github.io/tips/241120/</guid>
      <description>가비아 도메인으로 Vercel로 배포 시 발생할 수 있는 SSL 인증서 만료 문제를 해결합니다.</description>
    </item>
    <item>
      <title>[Java]HackerRank No Prefix Set</title>
      <link>https://leaf-nam.github.io/cote/hackerrank_no_prefix_set/</link>
      <pubDate>Tue, 19 Nov 2024 21:11:19 +0900</pubDate><author>spearoad15@gmail.com (Sangyeop Nam)</author>
      <guid>https://leaf-nam.github.io/cote/hackerrank_no_prefix_set/</guid>
      <description>HackerRank No Prefix Set 문제에 대한 해설입니다.</description>
    </item>
    <item>
      <title>[Java] JPA detached entity passed to persist 오류 해결하기</title>
      <link>https://leaf-nam.github.io/tips/241118/</link>
      <pubDate>Mon, 18 Nov 2024 22:53:05 +0900</pubDate><author>spearoad15@gmail.com (Sangyeop Nam)</author>
      <guid>https://leaf-nam.github.io/tips/241118/</guid>
      <description>detached entity passed to persist 오류를 해결합니다.</description>
    </item>
    <item>
      <title>[Java]String에서 공백 제거하기</title>
      <link>https://leaf-nam.github.io/tips/241116/</link>
      <pubDate>Sat, 16 Nov 2024 23:23:44 +0900</pubDate><author>spearoad15@gmail.com (Sangyeop Nam)</author>
      <guid>https://leaf-nam.github.io/tips/241116/</guid>
      <description>Java String에서 공백을 제거합니다.</description>
    </item>
    <item>
      <title>[Java]HackerRank New Year Chaos</title>
      <link>https://leaf-nam.github.io/cote/hackerrank_new_year_chaos/</link>
      <pubDate>Fri, 15 Nov 2024 21:35:28 +0900</pubDate><author>spearoad15@gmail.com (Sangyeop Nam)</author>
      <guid>https://leaf-nam.github.io/cote/hackerrank_new_year_chaos/</guid>
      <description>HackerRank New Year Chaos 문제에 대한 해설입니다.</description>
    </item>
    <item>
      <title>[Java]Programmers 2개 이하로 다른 비트</title>
      <link>https://leaf-nam.github.io/cote/programmers_77885/</link>
      <pubDate>Thu, 14 Nov 2024 10:00:18 +0900</pubDate><author>spearoad15@gmail.com (Sangyeop Nam)</author>
      <guid>https://leaf-nam.github.io/cote/programmers_77885/</guid>
      <description>[Programmers 2개 이하로 다른 비트] 문제에 대한 해설입니다.</description>
    </item>
    <item>
      <title>[Java]HackerRank Gridland Metro</title>
      <link>https://leaf-nam.github.io/cote/hackerrank_gridland_metro/</link>
      <pubDate>Wed, 13 Nov 2024 11:04:47 +0900</pubDate><author>spearoad15@gmail.com (Sangyeop Nam)</author>
      <guid>https://leaf-nam.github.io/cote/hackerrank_gridland_metro/</guid>
      <description>HackerRank Gridland Metro 문제에 대한 해설입니다.</description>
    </item>
    <item>
      <title>[Java]HackerRank Non Divisible Subset</title>
      <link>https://leaf-nam.github.io/cote/hackerrank_non_divisible_subset/</link>
      <pubDate>Tue, 12 Nov 2024 10:33:05 +0900</pubDate><author>spearoad15@gmail.com (Sangyeop Nam)</author>
      <guid>https://leaf-nam.github.io/cote/hackerrank_non_divisible_subset/</guid>
      <description>HackerRank Non Divisible Subset 문제에 대한 해설입니다.</description>
    </item>
    <item>
      <title>[Java]Spring Security 예외처리, 캐싱, 로깅</title>
      <link>https://leaf-nam.github.io/posts/spring_security/2/</link>
      <pubDate>Mon, 11 Nov 2024 21:36:48 +0900</pubDate><author>spearoad15@gmail.com (Sangyeop Nam)</author>
      <guid>https://leaf-nam.github.io/posts/spring_security/2/</guid>
      <description>Spring Security의 기본 예외처리 및 캐싱, 로깅에 대해 알아봅니다.</description>
    </item>
    <item>
      <title>[Java]Programmers 모음 사전</title>
      <link>https://leaf-nam.github.io/cote/programmers_84512/</link>
      <pubDate>Mon, 11 Nov 2024 10:59:03 +0900</pubDate><author>spearoad15@gmail.com (Sangyeop Nam)</author>
      <guid>https://leaf-nam.github.io/cote/programmers_84512/</guid>
      <description>Programmers 모음 사전 문제에 대한 해설입니다.</description>
    </item>
    <item>
      <title>[Java]Programmers 빛의 경로 사이클</title>
      <link>https://leaf-nam.github.io/cote/programmers_86052/</link>
      <pubDate>Sun, 10 Nov 2024 17:33:01 +0900</pubDate><author>spearoad15@gmail.com (Sangyeop Nam)</author>
      <guid>https://leaf-nam.github.io/cote/programmers_86052/</guid>
      <description>Programmers 빛의 경로 사이클 문제에 대한 해설입니다.</description>
    </item>
    <item>
      <title>[Java]Programmers 연속 부분 수열 합의 개수</title>
      <link>https://leaf-nam.github.io/cote/programmers_131701/</link>
      <pubDate>Sat, 09 Nov 2024 22:20:29 +0900</pubDate><author>spearoad15@gmail.com (Sangyeop Nam)</author>
      <guid>https://leaf-nam.github.io/cote/programmers_131701/</guid>
      <description>Programmers 연속 부분 수열 합의 개수 문제에 대한 해설입니다.</description>
    </item>
    <item>
      <title>[Java]Spring Security WebMVC 기본 구조</title>
      <link>https://leaf-nam.github.io/posts/spring_security/1/</link>
      <pubDate>Wed, 06 Nov 2024 19:19:20 +0900</pubDate><author>spearoad15@gmail.com (Sangyeop Nam)</author>
      <guid>https://leaf-nam.github.io/posts/spring_security/1/</guid>
      <description>Spring Security의 기본 구조인 필터에 대해서 알아봅니다.</description>
    </item>
    <item>
      <title>[Java]HackerRank Lego Blocks</title>
      <link>https://leaf-nam.github.io/cote/hackerrank_lego_blocks/</link>
      <pubDate>Sun, 03 Nov 2024 11:14:50 +0900</pubDate><author>spearoad15@gmail.com (Sangyeop Nam)</author>
      <guid>https://leaf-nam.github.io/cote/hackerrank_lego_blocks/</guid>
      <description>HackerRank Lego Blocks 문제에 대한 해설입니다.</description>
    </item>
    <item>
      <title>객체지향의 사실과 오해</title>
      <link>https://leaf-nam.github.io/review/oop_fact_mislead/</link>
      <pubDate>Wed, 10 Jul 2024 11:41:32 +0900</pubDate><author>spearoad15@gmail.com (Sangyeop Nam)</author>
      <guid>https://leaf-nam.github.io/review/oop_fact_mislead/</guid>
      <description>Desc Text.</description>
    </item>
    <item>
      <title>[Java]백준 16236 아기 상어</title>
      <link>https://leaf-nam.github.io/cote/bj_16236/</link>
      <pubDate>Mon, 08 Jul 2024 18:05:08 +0900</pubDate><author>spearoad15@gmail.com (Sangyeop Nam)</author>
      <guid>https://leaf-nam.github.io/cote/bj_16236/</guid>
      <description>백준 16236 아기 상어 문제에 대한 해설입니다.</description>
    </item>
    <item>
      <title>[Java]백준 2573 빙산</title>
      <link>https://leaf-nam.github.io/cote/bj_2573/</link>
      <pubDate>Thu, 27 Jun 2024 11:35:43 +0900</pubDate><author>spearoad15@gmail.com (Sangyeop Nam)</author>
      <guid>https://leaf-nam.github.io/cote/bj_2573/</guid>
      <description>백준 2573 빙산 문제에 대한 해설입니다.</description>
    </item>
    <item>
      <title>[Java]백준 1753 다익스트라</title>
      <link>https://leaf-nam.github.io/cote/bj_1753/</link>
      <pubDate>Fri, 21 Jun 2024 09:55:27 +0900</pubDate><author>spearoad15@gmail.com (Sangyeop Nam)</author>
      <guid>https://leaf-nam.github.io/cote/bj_1753/</guid>
      <description>백준 1753 다익스트라 문제에 대한 해설입니다.</description>
    </item>
    <item>
      <title>[Java]백준 1976 여행 가자</title>
      <link>https://leaf-nam.github.io/cote/bj_1976/</link>
      <pubDate>Thu, 20 Jun 2024 08:29:30 +0900</pubDate><author>spearoad15@gmail.com (Sangyeop Nam)</author>
      <guid>https://leaf-nam.github.io/cote/bj_1976/</guid>
      <description>백준 1976 여행 가자 문제에 대한 해설입니다.</description>
    </item>
    <item>
      <title>[Java]백준 14503 로봇 청소기</title>
      <link>https://leaf-nam.github.io/cote/bj_14503/</link>
      <pubDate>Wed, 19 Jun 2024 10:32:37 +0900</pubDate><author>spearoad15@gmail.com (Sangyeop Nam)</author>
      <guid>https://leaf-nam.github.io/cote/bj_14503/</guid>
      <description>백준 14503 로봇 청소기 문제에 대한 해설입니다.</description>
    </item>
    <item>
      <title>[Java]백준 1806 부분합</title>
      <link>https://leaf-nam.github.io/cote/bj_1806/</link>
      <pubDate>Wed, 12 Jun 2024 09:03:34 +0900</pubDate><author>spearoad15@gmail.com (Sangyeop Nam)</author>
      <guid>https://leaf-nam.github.io/cote/bj_1806/</guid>
      <description>백준 1806 부분합 문제에 대한 해설입니다.</description>
    </item>
    <item>
      <title>[Java]백준 4195 친구 네트워크</title>
      <link>https://leaf-nam.github.io/cote/bj_4195/</link>
      <pubDate>Mon, 03 Jun 2024 06:59:21 +0900</pubDate><author>spearoad15@gmail.com (Sangyeop Nam)</author>
      <guid>https://leaf-nam.github.io/cote/bj_4195/</guid>
      <description>백준 4195 친구 네트워크 문제에 대한 해설입니다.</description>
    </item>
    <item>
      <title>[Java]백준 12904 A와 B</title>
      <link>https://leaf-nam.github.io/cote/bj_12904/</link>
      <pubDate>Sun, 02 Jun 2024 05:51:58 +0900</pubDate><author>spearoad15@gmail.com (Sangyeop Nam)</author>
      <guid>https://leaf-nam.github.io/cote/bj_12904/</guid>
      <description>백준 12904 A와 B 문제에 대한 해설입니다.</description>
    </item>
    <item>
      <title>[Java]백준 16927 배열 돌리기 2</title>
      <link>https://leaf-nam.github.io/cote/bj_16927/</link>
      <pubDate>Fri, 31 May 2024 20:57:13 +0900</pubDate><author>spearoad15@gmail.com (Sangyeop Nam)</author>
      <guid>https://leaf-nam.github.io/cote/bj_16927/</guid>
      <description>백준 16927 배열 돌리기 2 문제에 대한 해설입니다.</description>
    </item>
    <item>
      <title>JPA Cascade vs Orphan Removal</title>
      <link>https://leaf-nam.github.io/tips/240513/</link>
      <pubDate>Mon, 13 May 2024 21:01:16 +0900</pubDate><author>spearoad15@gmail.com (Sangyeop Nam)</author>
      <guid>https://leaf-nam.github.io/tips/240513/</guid>
      <description>Cascade의 개념 차이에 대해 정리합니다.</description>
    </item>
    <item>
      <title>MockMvc Object mapper nested class utf-8 인코딩 오류 해결하기</title>
      <link>https://leaf-nam.github.io/tips/240507/</link>
      <pubDate>Tue, 07 May 2024 17:03:40 +0900</pubDate><author>spearoad15@gmail.com (Sangyeop Nam)</author>
      <guid>https://leaf-nam.github.io/tips/240507/</guid>
      <description>Object Mapper 사용 시 만날 수 있는 오류를 해결합니다.</description>
    </item>
    <item>
      <title>Test Driven Development: By Example</title>
      <link>https://leaf-nam.github.io/review/test-driven_development_by_example/</link>
      <pubDate>Sun, 28 Apr 2024 23:38:18 +0900</pubDate><author>spearoad15@gmail.com (Sangyeop Nam)</author>
      <guid>https://leaf-nam.github.io/review/test-driven_development_by_example/</guid>
      <description>켄트 백의 TDD에 대한 리뷰입니다.</description>
    </item>
    <item>
      <title>Unit Testing</title>
      <link>https://leaf-nam.github.io/review/unit_testing/</link>
      <pubDate>Sun, 14 Apr 2024 19:37:37 +0900</pubDate><author>spearoad15@gmail.com (Sangyeop Nam)</author>
      <guid>https://leaf-nam.github.io/review/unit_testing/</guid>
      <description>Unit Testing 책에 대한 리뷰입니다.</description>
    </item>
    <item>
      <title>Org.springframework.data.mapping.MappingException 오류 해결</title>
      <link>https://leaf-nam.github.io/tips/240402/</link>
      <pubDate>Tue, 02 Apr 2024 22:36:05 +0900</pubDate><author>spearoad15@gmail.com (Sangyeop Nam)</author>
      <guid>https://leaf-nam.github.io/tips/240402/</guid>
      <description>Spring Data MongoDB에서 자주 만나는 MappingException 오류를 해결합니다.</description>
    </item>
    <item>
      <title>Lombok 생성자 주입 시 인터페이스 주입하기</title>
      <link>https://leaf-nam.github.io/tips/240329/</link>
      <pubDate>Fri, 29 Mar 2024 06:18:57 +0900</pubDate><author>spearoad15@gmail.com (Sangyeop Nam)</author>
      <guid>https://leaf-nam.github.io/tips/240329/</guid>
      <description>롬복을 활용해서 인터페이스를 생성자 주입받을 수 있습니다.</description>
    </item>
    <item>
      <title>Jnuit 테스트에서 객체 필드명 비교하기</title>
      <link>https://leaf-nam.github.io/tips/240323/</link>
      <pubDate>Sat, 23 Mar 2024 23:19:23 +0900</pubDate><author>spearoad15@gmail.com (Sangyeop Nam)</author>
      <guid>https://leaf-nam.github.io/tips/240323/</guid>
      <description>Junit에서 객체 필드명을 편하게 테스트할 수 있습니다.</description>
    </item>
    <item>
      <title>Springboot Junit 단위테스트에서 로그 레벨 조정하기</title>
      <link>https://leaf-nam.github.io/tips/240320/</link>
      <pubDate>Wed, 20 Mar 2024 23:43:14 +0900</pubDate><author>spearoad15@gmail.com (Sangyeop Nam)</author>
      <guid>https://leaf-nam.github.io/tips/240320/</guid>
      <description>스프링부트 단위테스트에서 간단하게 로그 레벨을 조정할 수 있습니다.</description>
    </item>
    <item>
      <title>[Java]SpringBoot DataSource 이중화(CQRS 패턴) 구현</title>
      <link>https://leaf-nam.github.io/posts/cqrs/3/</link>
      <pubDate>Tue, 19 Mar 2024 20:20:06 +0900</pubDate><author>spearoad15@gmail.com (Sangyeop Nam)</author>
      <guid>https://leaf-nam.github.io/posts/cqrs/3/</guid>
      <description>이중화된 MySQL DB에 접근할 수 있는 DataSource를 설정합니다.</description>
    </item>
    <item>
      <title>[MySQL]Replication Database 구현</title>
      <link>https://leaf-nam.github.io/posts/cqrs/2/</link>
      <pubDate>Wed, 13 Mar 2024 23:07:00 +0900</pubDate><author>spearoad15@gmail.com (Sangyeop Nam)</author>
      <guid>https://leaf-nam.github.io/posts/cqrs/2/</guid>
      <description>Docker와 MySQL을 활용하여 Replication Database를 구현하는 실습을 진행합니다.</description>
    </item>
    <item>
      <title>DB 이중화 및 CQRS 패턴의 중요성</title>
      <link>https://leaf-nam.github.io/posts/cqrs/1/</link>
      <pubDate>Mon, 11 Mar 2024 22:51:52 +0900</pubDate><author>spearoad15@gmail.com (Sangyeop Nam)</author>
      <guid>https://leaf-nam.github.io/posts/cqrs/1/</guid>
      <description>CQRS패턴을 구현하기 위한 DB이중화 기법에 대해 알아봅니다.</description>
    </item>
    <item>
      <title>깃허브 블로그 댓글 구현 : Utterances 도입기</title>
      <link>https://leaf-nam.github.io/posts/gitblog/5/</link>
      <pubDate>Tue, 05 Mar 2024 19:08:20 +0900</pubDate><author>spearoad15@gmail.com (Sangyeop Nam)</author>
      <guid>https://leaf-nam.github.io/posts/gitblog/5/</guid>
      <description>블로그 댓글을 구현할 수 있는 utterances를 적용합니다.</description>
    </item>
    <item>
      <title>Git 연동과 정적 페이지 배포</title>
      <link>https://leaf-nam.github.io/posts/gitblog/4/</link>
      <pubDate>Mon, 04 Mar 2024 16:50:39 +0900</pubDate><author>spearoad15@gmail.com (Sangyeop Nam)</author>
      <guid>https://leaf-nam.github.io/posts/gitblog/4/</guid>
      <description>생성한 블로그와 깃을 연동 후 웹페이지를 등록합니다.</description>
    </item>
    <item>
      <title>HUGO 기본 설치 및 사용법</title>
      <link>https://leaf-nam.github.io/posts/gitblog/3/</link>
      <pubDate>Sun, 03 Mar 2024 07:49:45 +0900</pubDate><author>spearoad15@gmail.com (Sangyeop Nam)</author>
      <guid>https://leaf-nam.github.io/posts/gitblog/3/</guid>
      <description>HUGO를 이제 직접 설치 및 세팅해보겠습니다.</description>
    </item>
    <item>
      <title>SSG에 대하여</title>
      <link>https://leaf-nam.github.io/posts/gitblog/2/</link>
      <pubDate>Sat, 02 Mar 2024 07:28:40 +0900</pubDate><author>spearoad15@gmail.com (Sangyeop Nam)</author>
      <guid>https://leaf-nam.github.io/posts/gitblog/2/</guid>
      <description>SSG에 대해 알아보는 시간을 가집니다.</description>
    </item>
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