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<a href="https://gitlab.rtems.org/thnkslprpt">Avi Weiss</a> created an issue: <a href="https://gitlab.rtems.org/rtems/rtos/rtems/-/issues/5581">#5581</a>
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<h2 id="user-content-summary" dir="auto" style="margin-top: 0; margin-bottom: 10px;" align="initial">Summary<a href="#summary" aria-label="Link to heading 'Summary'" data-heading-content="Summary" class="anchor" style="margin-top: 0;"></a>
</h2>
<p dir="auto" style="color: #3a383f; margin: 0 0 1rem;" align="initial"><code style="font-size: 90%; color: #18171d; word-wrap: break-word; background-color: #ececef; border-radius: .25rem; margin-top: 0; font-weight: inherit; overflow-wrap: break-word; white-space: break-spaces; font-family: "GitLab Mono", "JetBrains Mono", "Menlo", "DejaVu Sans Mono", "Liberation Mono", "Consolas", "Ubuntu Mono", "Courier New", "andale mono", "lucida console", monospace; font-variant-ligatures: none; word-break: keep-all; padding: 0.125rem 0.25rem;">bsp_start_copy_sections_compact</code> copies <code style="font-size: 90%; color: #18171d; word-wrap: break-word; background-color: #ececef; border-radius: .25rem; font-weight: inherit; overflow-wrap: break-word; white-space: break-spaces; font-family: "GitLab Mono", "JetBrains Mono", "Menlo", "DejaVu Sans Mono", "Liberation Mono", "Consolas", "Ubuntu Mono", "Courier New", "andale mono", "lucida console", monospace; font-variant-ligatures: none; word-break: keep-all; padding: 0.125rem 0.25rem;">.fast_text</code> into RAM.</p>
<p dir="auto" style="color: #3a383f; margin: 0 0 1rem;" align="initial">We do currently flush the D-cache (<code style="font-size: 90%; color: #18171d; word-wrap: break-word; background-color: #ececef; border-radius: .25rem; margin-top: 0; font-weight: inherit; overflow-wrap: break-word; white-space: break-spaces; font-family: "GitLab Mono", "JetBrains Mono", "Menlo", "DejaVu Sans Mono", "Liberation Mono", "Consolas", "Ubuntu Mono", "Courier New", "andale mono", "lucida console", monospace; font-variant-ligatures: none; word-break: keep-all; padding: 0.125rem 0.25rem;">rtems_cache_flush_multiple_data_lines</code>) but don't invalidate the I-cache.</p>
<h2 id="user-content-steps-to-reproduce" dir="auto" style="margin-top: 20px; margin-bottom: 10px;" align="initial">Steps to reproduce<a href="#steps-to-reproduce" aria-label="Link to heading 'Steps to reproduce'" data-heading-content="Steps to reproduce" class="anchor" style="margin-top: 0;"></a>
</h2>
<p dir="auto" style="color: #3a383f; margin: 0 0 1rem;" align="initial">Code review. In <code style="font-size: 90%; color: #18171d; word-wrap: break-word; background-color: #ececef; border-radius: .25rem; margin-top: 0; font-weight: inherit; overflow-wrap: break-word; white-space: break-spaces; font-family: "GitLab Mono", "JetBrains Mono", "Menlo", "DejaVu Sans Mono", "Liberation Mono", "Consolas", "Ubuntu Mono", "Courier New", "andale mono", "lucida console", monospace; font-variant-ligatures: none; word-break: keep-all; padding: 0.125rem 0.25rem;">bspstarthooks.c</code>:</p>
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<pre data-canonical-lang="c" class="code highlight js-syntax-highlight language-c" v-pre="true" style="display: block; font-size: 14px; color: #3a383f; line-height: 1.6em; overflow-x: auto; border-radius: .25rem; position: relative; font-family: "GitLab Mono", "JetBrains Mono", "Menlo", "DejaVu Sans Mono", "Liberation Mono", "Consolas", "Ubuntu Mono", "Courier New", "andale mono", "lucida console", monospace; font-variant-ligatures: none; word-break: break-all; word-wrap: break-word; background-color: #fbfafd; margin: 0 0 1rem; padding: 12px; border: 1px solid #dcdcde;"><code style="font-size: inherit; color: inherit; word-wrap: normal; word-break: keep-all; background-color: inherit; border-radius: .25rem; white-space: pre; margin-top: 0; font-family: "GitLab Mono", "JetBrains Mono", "Menlo", "DejaVu Sans Mono", "Liberation Mono", "Consolas", "Ubuntu Mono", "Courier New", "andale mono", "lucida console", monospace; font-variant-ligatures: none; overflow-wrap: normal; padding: unset;"><span id="LC1" class="line" lang="c" style="margin-top: 0;"><span class="p" style="margin-top: 0;">...</span></span>
<span id="LC2" class="line" lang="c"><span class="n" style="margin-top: 0;">bsp_start_copy_sections_compact</span><span class="p">();</span></span>
<span id="LC3" class="line" lang="c"> <span class="n" style="margin-top: 0;">bsp_start_clear_bss</span><span class="p">();</span></span>
<span id="LC4" class="line" lang="c"></span>
<span id="LC5" class="line" lang="c"> <span class="n" style="margin-top: 0;">size</span> <span class="o">=</span><span class="p">(</span><span class="kt">size_t</span><span class="p">)</span> <span class="n">bsp_section_fast_text_size</span><span class="p">;</span></span>
<span id="LC6" class="line" lang="c"> <span class="n" style="margin-top: 0;">RTEMS_OBFUSCATE_VARIABLE</span><span class="p">(</span> <span class="n">size</span> <span class="p">);</span></span>
<span id="LC7" class="line" lang="c"></span>
<span id="LC8" class="line" lang="c"> <span class="k" style="margin-top: 0;">if</span> <span class="p">(</span> <span class="n">size</span> <span class="o">!=</span> <span class="mi">0</span> <span class="p">)</span> <span class="p">{</span></span>
<span id="LC9" class="line" lang="c"> <span class="n" style="margin-top: 0;">rtems_cache_flush_multiple_data_lines</span><span class="p">(</span> <span class="n">bsp_section_fast_text_begin</span><span class="p">,</span> <span class="n">size</span> <span class="p">);</span></span>
<span id="LC10" class="line" lang="c"> <span class="p" style="margin-top: 0;">}</span></span>
<span id="LC11" class="line" lang="c"><span class="p" style="margin-top: 0;">...</span></span></code></pre>
<copy-code></copy-code><insert-code-snippet></insert-code-snippet>
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<h2 id="user-content-expected-behaviour" dir="auto" style="margin-top: 20px; margin-bottom: 10px;" align="initial">Expected behaviour<a href="#expected-behaviour" aria-label="Link to heading 'Expected behaviour'" data-heading-content="Expected behaviour" class="anchor" style="margin-top: 0;"></a>
</h2>
<p dir="auto" style="color: #3a383f; margin: 0 0 1rem;" align="initial">Need to add <code style="font-size: 90%; color: #18171d; word-wrap: break-word; background-color: #ececef; border-radius: .25rem; margin-top: 0; font-weight: inherit; overflow-wrap: break-word; white-space: break-spaces; font-family: "GitLab Mono", "JetBrains Mono", "Menlo", "DejaVu Sans Mono", "Liberation Mono", "Consolas", "Ubuntu Mono", "Courier New", "andale mono", "lucida console", monospace; font-variant-ligatures: none; word-break: keep-all; padding: 0.125rem 0.25rem;">rtems_cache_invalidate_multiple_instruction_lines</code> like in <code style="font-size: 90%; color: #18171d; word-wrap: break-word; background-color: #ececef; border-radius: .25rem; font-weight: inherit; overflow-wrap: break-word; white-space: break-spaces; font-family: "GitLab Mono", "JetBrains Mono", "Menlo", "DejaVu Sans Mono", "Liberation Mono", "Consolas", "Ubuntu Mono", "Courier New", "andale mono", "lucida console", monospace; font-variant-ligatures: none; word-break: keep-all; padding: 0.125rem 0.25rem;">bsps/arm/tms570/start/tms570-pom.c</code>, i.e.:</p>
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<pre data-canonical-lang="c" class="code highlight js-syntax-highlight language-c" v-pre="true" style="display: block; font-size: 14px; color: #3a383f; line-height: 1.6em; overflow-x: auto; border-radius: .25rem; position: relative; font-family: "GitLab Mono", "JetBrains Mono", "Menlo", "DejaVu Sans Mono", "Liberation Mono", "Consolas", "Ubuntu Mono", "Courier New", "andale mono", "lucida console", monospace; font-variant-ligatures: none; word-break: break-all; word-wrap: break-word; background-color: #fbfafd; margin: 0 0 1rem; padding: 12px; border: 1px solid #dcdcde;"><code style="font-size: inherit; color: inherit; word-wrap: normal; word-break: keep-all; background-color: inherit; border-radius: .25rem; white-space: pre; margin-top: 0; font-family: "GitLab Mono", "JetBrains Mono", "Menlo", "DejaVu Sans Mono", "Liberation Mono", "Consolas", "Ubuntu Mono", "Courier New", "andale mono", "lucida console", monospace; font-variant-ligatures: none; overflow-wrap: normal; padding: unset;"><span id="LC1" class="line" lang="c" style="margin-top: 0;"> <span class="n" style="margin-top: 0;">rtems_cache_flush_multiple_data_lines</span><span class="p">(</span><span class="n">vec_overlay_start</span><span class="p">,</span> <span class="mi">64</span><span class="p">);</span></span>
<span id="LC2" class="line" lang="c"> <span class="n" style="margin-top: 0;">rtems_cache_invalidate_multiple_instruction_lines</span><span class="p">(</span><span class="n">vec_overlay_start</span><span class="p">,</span> <span class="mi">64</span><span class="p">);</span></span></code></pre>
<copy-code></copy-code><insert-code-snippet></insert-code-snippet>
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<p dir="auto" style="color: #3a383f; margin: 0;" align="initial">or use the combined wrapper <code style="font-size: 90%; color: #18171d; word-wrap: break-word; background-color: #ececef; border-radius: .25rem; margin-top: 0; font-weight: inherit; overflow-wrap: break-word; white-space: break-spaces; font-family: "GitLab Mono", "JetBrains Mono", "Menlo", "DejaVu Sans Mono", "Liberation Mono", "Consolas", "Ubuntu Mono", "Courier New", "andale mono", "lucida console", monospace; font-variant-ligatures: none; word-break: keep-all; padding: 0.125rem 0.25rem;">rtems_cache_instruction_sync_after_code_change</code> which already exists for this purpose.</p>
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