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Issue created by <a href="https://gitlab.rtems.org/sebhub">Sebastian Huber</a>: <a href="https://gitlab.rtems.org/rtems/rtos/rtems/-/work_items/5786">#5786</a>
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<h2 id="user-content-summary" dir="auto" style="margin-top: 0px; margin-bottom: 10px;" align="initial">Summary<a href="#summary" aria-label="Link to heading 'Summary'" data-heading-content="Summary" class="anchor" style="margin-top: 0px;"></a>
</h2>
<p dir="auto" style="color: #3a383f; margin: 0px 0px 1rem;" align="initial">Commit <code style="font-size: 90%; color: #18171d; word-wrap: break-word; background-color: #ececef; border-radius: .25rem; margin-top: 0px; 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;">0c339acf220</code> ("bsps/leon3: Add support for IRQMP IRQMAP", 2026-06-23)
reads 16 interrupt map registers and accepts vectors 1 to 63. The GR740 has 8
map registers and 32 bus interrupt lines. The BSP therefore reads undefined
register offsets and accepts vectors which no bus line carries. The option
<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;">LEON3_IRQAMP_IRQMAP</code> enables this code, and <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;">sparc/gr740</code> enables the option
by default.</p>
<h2 id="user-content-reference" dir="auto" style="margin-top: 20px; margin-bottom: 10px;" align="initial">Reference<a href="#reference" aria-label="Link to heading 'Reference'" data-heading-content="Reference" class="anchor" style="margin-top: 0px;"></a>
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<table dir="auto" style="border-spacing: 0; text-align: initial; color: #3a383f; width: auto; border-collapse: collapse; border-width: 0;">
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<th style="line-height: 1.25rem; color: #18171d; margin-top: 0px; padding: 10px 16px; border-color: #dcdcde; border-style: solid; border-width: 1px 1px 0;" valign="top">Source</th>
<th style="line-height: 1.25rem; color: #18171d; padding: 10px 16px; border-color: #dcdcde; border-style: solid; border-width: 1px 1px 0;" valign="top">Section</th>
<th style="line-height: 1.25rem; color: #18171d; padding: 10px 16px; border-color: #dcdcde; border-style: solid; border-width: 1px 1px 0;" valign="top">Statement</th>
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<td style="line-height: 1.25rem; margin-top: 0px; padding: 10px 16px; border: 1px solid #dcdcde;" valign="top">GR740-UM-DS 2.10</td>
<td style="line-height: 1.25rem; padding: 10px 16px; border: 1px solid #dcdcde;" valign="top">Table 379</td>
<td style="line-height: 1.25rem; padding: 10px 16px; border: 1px solid #dcdcde;" valign="top">The map registers are IRQMAP0 to IRQMAP7 at <code style="font-size: 90%; color: #18171d; word-wrap: break-word; background-color: #ececef; border-radius: .25rem; margin-top: 0px; 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; white-space: pre-wrap; overflow-wrap: break-word; word-break: keep-all; padding: 0.125rem 0.25rem;">0x300</code> to <code style="font-size: 90%; color: #18171d; word-wrap: break-word; background-color: #ececef; border-radius: .25rem; 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; white-space: pre-wrap; overflow-wrap: break-word; word-break: keep-all; padding: 0.125rem 0.25rem;">0x31C</code>.</td>
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<td style="line-height: 1.25rem; margin-top: 0px; padding: 10px 16px; border: 1px solid #dcdcde;" valign="top">GR740-UM-DS 2.10</td>
<td style="line-height: 1.25rem; padding: 10px 16px; border: 1px solid #dcdcde;" valign="top">21.3.19</td>
<td style="line-height: 1.25rem; padding: 10px 16px; border: 1px solid #dcdcde;" valign="top">IRQMAPn holds the fields for the bus lines <code style="font-size: 90%; color: #18171d; word-wrap: break-word; background-color: #ececef; border-radius: .25rem; margin-top: 0px; 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; white-space: pre-wrap; overflow-wrap: break-word; word-break: keep-all; padding: 0.125rem 0.25rem;">4*n</code> to <code style="font-size: 90%; color: #18171d; word-wrap: break-word; background-color: #ececef; border-radius: .25rem; 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; white-space: pre-wrap; overflow-wrap: break-word; word-break: keep-all; padding: 0.125rem 0.25rem;">4*n+3</code>.</td>
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<td style="line-height: 1.25rem; margin-top: 0px; padding: 10px 16px; border: 1px solid #dcdcde;" valign="top">GRIP 2025.2</td>
<td style="line-height: 1.25rem; padding: 10px 16px; border: 1px solid #dcdcde;" valign="top">Figure 253</td>
<td style="line-height: 1.25rem; padding: 10px 16px; border: 1px solid #dcdcde;" valign="top">The map switches the 32 lines of <code style="font-size: 90%; color: #18171d; word-wrap: break-word; background-color: #ececef; border-radius: .25rem; margin-top: 0px; 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; white-space: pre-wrap; overflow-wrap: break-word; word-break: keep-all; padding: 0.125rem 0.25rem;">APBI.PIRQ[31:0]</code>.</td>
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<td style="line-height: 1.25rem; margin-top: 0px; padding: 10px 16px; border: 1px solid #dcdcde;" valign="top">GRIP 2025.2</td>
<td style="line-height: 1.25rem; padding: 10px 16px; border: 1px solid #dcdcde;" valign="top">Table 1857, <code style="font-size: 90%; color: #18171d; word-wrap: break-word; background-color: #ececef; border-radius: .25rem; margin-top: 0px; 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; white-space: pre-wrap; overflow-wrap: break-word; word-break: keep-all; padding: 0.125rem 0.25rem;">irqmap</code>
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<td style="line-height: 1.25rem; padding: 10px 16px; border: 1px solid #dcdcde;" valign="top">The map registers cover bus lines 0 to 15 or 0 to 31.</td>
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<p dir="auto" style="color: #3a383f; margin: 0px 0px 1rem;" align="initial">No IRQ(A)MP configuration has a map register at <code style="font-size: 90%; color: #18171d; word-wrap: break-word; background-color: #ececef; border-radius: .25rem; margin-top: 0px; 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;">0x320</code> or above.</p>
<h2 id="user-content-defects" dir="auto" style="margin-top: 20px; margin-bottom: 10px;" align="initial">Defects<a href="#defects" aria-label="Link to heading 'Defects'" data-heading-content="Defects" class="anchor" style="margin-top: 0px;"></a>
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<table dir="auto" style="border-spacing: 0; text-align: initial; color: #3a383f; width: auto; border-collapse: collapse; border-width: 0;">
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<th style="line-height: 1.25rem; color: #18171d; margin-top: 0px; padding: 10px 16px; border-color: #dcdcde; border-style: solid; border-width: 1px 1px 0;" valign="top">Location</th>
<th style="line-height: 1.25rem; color: #18171d; padding: 10px 16px; border-color: #dcdcde; border-style: solid; border-width: 1px 1px 0;" valign="top">Code</th>
<th style="line-height: 1.25rem; color: #18171d; padding: 10px 16px; border-color: #dcdcde; border-style: solid; border-width: 1px 1px 0;" valign="top">Consequence</th>
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<td style="line-height: 1.25rem; margin-top: 0px; padding: 10px 16px; border: 1px solid #dcdcde;" valign="top"><code style="font-size: 90%; color: #18171d; word-wrap: break-word; background-color: #ececef; border-radius: .25rem; margin-top: 0px; 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; white-space: pre-wrap; overflow-wrap: break-word; word-break: keep-all; padding: 0.125rem 0.25rem;">bsp/irq.h</code></td>
<td style="line-height: 1.25rem; padding: 10px 16px; border: 1px solid #dcdcde;" valign="top"><code style="font-size: 90%; color: #18171d; word-wrap: break-word; background-color: #ececef; border-radius: .25rem; margin-top: 0px; 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; white-space: pre-wrap; overflow-wrap: break-word; word-break: keep-all; padding: 0.125rem 0.25rem;">BSP_INTERRUPT_VECTOR_MAX_MAP 63</code></td>
<td style="line-height: 1.25rem; padding: 10px 16px; border: 1px solid #dcdcde;" valign="top">The bound is 31 on the GR740.</td>
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<td style="line-height: 1.25rem; margin-top: 0px; padding: 10px 16px; border: 1px solid #dcdcde;" valign="top"><code style="font-size: 90%; color: #18171d; word-wrap: break-word; background-color: #ececef; border-radius: .25rem; margin-top: 0px; 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; white-space: pre-wrap; overflow-wrap: break-word; word-break: keep-all; padding: 0.125rem 0.25rem;">grlib/irqamp-regs.h</code></td>
<td style="line-height: 1.25rem; padding: 10px 16px; border: 1px solid #dcdcde;" valign="top"><code style="font-size: 90%; color: #18171d; word-wrap: break-word; background-color: #ececef; border-radius: .25rem; margin-top: 0px; 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; white-space: pre-wrap; overflow-wrap: break-word; word-break: keep-all; padding: 0.125rem 0.25rem;">uint32_t irqmap[ 16 ]</code></td>
<td style="line-height: 1.25rem; padding: 10px 16px; border: 1px solid #dcdcde;" valign="top">The register block names 8 registers which do not exist.</td>
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<td style="line-height: 1.25rem; margin-top: 0px; padding: 10px 16px; border: 1px solid #dcdcde;" valign="top"><code style="font-size: 90%; color: #18171d; word-wrap: break-word; background-color: #ececef; border-radius: .25rem; margin-top: 0px; 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; white-space: pre-wrap; overflow-wrap: break-word; word-break: keep-all; padding: 0.125rem 0.25rem;">leon3_ext_irq_init()</code></td>
<td style="line-height: 1.25rem; padding: 10px 16px; border: 1px solid #dcdcde;" valign="top">loop up to <code style="font-size: 90%; color: #18171d; word-wrap: break-word; background-color: #ececef; border-radius: .25rem; margin-top: 0px; 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; white-space: pre-wrap; overflow-wrap: break-word; word-break: keep-all; padding: 0.125rem 0.25rem;">BSP_INTERRUPT_VECTOR_MAX_MAP</code>
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<td style="line-height: 1.25rem; padding: 10px 16px; border: 1px solid #dcdcde;" valign="top">The BSP reads <code style="font-size: 90%; color: #18171d; word-wrap: break-word; background-color: #ececef; border-radius: .25rem; margin-top: 0px; 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; white-space: pre-wrap; overflow-wrap: break-word; word-break: keep-all; padding: 0.125rem 0.25rem;">0x320</code> to <code style="font-size: 90%; color: #18171d; word-wrap: break-word; background-color: #ececef; border-radius: .25rem; 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; white-space: pre-wrap; overflow-wrap: break-word; word-break: keep-all; padding: 0.125rem 0.25rem;">0x33C</code>. The content of <code style="font-size: 90%; color: #18171d; word-wrap: break-word; background-color: #ececef; border-radius: .25rem; 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; white-space: pre-wrap; overflow-wrap: break-word; word-break: keep-all; padding: 0.125rem 0.25rem;">LEON3_IrqCtrl_Mapping[32..63]</code> is undefined.</td>
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<td style="line-height: 1.25rem; margin-top: 0px; padding: 10px 16px; border: 1px solid #dcdcde;" valign="top"><code style="font-size: 90%; color: #18171d; word-wrap: break-word; background-color: #ececef; border-radius: .25rem; margin-top: 0px; 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; white-space: pre-wrap; overflow-wrap: break-word; word-break: keep-all; padding: 0.125rem 0.25rem;">bsp_interrupt_is_valid_vector()</code></td>
<td style="line-height: 1.25rem; padding: 10px 16px; border: 1px solid #dcdcde;" valign="top"><code style="font-size: 90%; color: #18171d; word-wrap: break-word; background-color: #ececef; border-radius: .25rem; margin-top: 0px; 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; white-space: pre-wrap; overflow-wrap: break-word; word-break: keep-all; padding: 0.125rem 0.25rem;">vector <= BSP_INTERRUPT_VECTOR_MAX_MAP</code></td>
<td style="line-height: 1.25rem; padding: 10px 16px; border: 1px solid #dcdcde;" valign="top">Vectors 32 to 63 pass as valid. A handler install on such a vector attaches to an undefined controller line.</td>
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<td style="line-height: 1.25rem; margin-top: 0px; padding: 10px 16px; border: 1px solid #dcdcde;" valign="top"><code style="font-size: 90%; color: #18171d; word-wrap: break-word; background-color: #ececef; border-radius: .25rem; margin-top: 0px; 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; white-space: pre-wrap; overflow-wrap: break-word; word-break: keep-all; padding: 0.125rem 0.25rem;">bsp_interrupt_entry_install_first()</code></td>
<td style="line-height: 1.25rem; padding: 10px 16px; border: 1px solid #dcdcde;" valign="top"><code style="font-size: 90%; color: #18171d; word-wrap: break-word; background-color: #ececef; border-radius: .25rem; margin-top: 0px; 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; white-space: pre-wrap; overflow-wrap: break-word; word-break: keep-all; padding: 0.125rem 0.25rem;">index = modified_vector</code></td>
<td style="line-height: 1.25rem; padding: 10px 16px; border: 1px solid #dcdcde;" valign="top">The dispatch table has <code style="font-size: 90%; color: #18171d; word-wrap: break-word; background-color: #ececef; border-radius: .25rem; margin-top: 0px; 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; white-space: pre-wrap; overflow-wrap: break-word; word-break: keep-all; padding: 0.125rem 0.25rem;">BSP_INTERRUPT_VECTOR_COUNT</code> (32) entries. A map value above 31 indexes past its end.</td>
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<td style="line-height: 1.25rem; margin-top: 0px; padding: 10px 16px; border: 1px solid #dcdcde;" valign="top">every <code style="font-size: 90%; color: #18171d; word-wrap: break-word; background-color: #ececef; border-radius: .25rem; margin-top: 0px; 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; white-space: pre-wrap; overflow-wrap: break-word; word-break: keep-all; padding: 0.125rem 0.25rem;">1U << vector</code> after the map lookup</td>
<td style="line-height: 1.25rem; padding: 10px 16px; border: 1px solid #dcdcde;" valign="top"><code style="font-size: 90%; color: #18171d; word-wrap: break-word; background-color: #ececef; border-radius: .25rem; margin-top: 0px; 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; white-space: pre-wrap; overflow-wrap: break-word; word-break: keep-all; padding: 0.125rem 0.25rem;">bit = 1U << vector</code></td>
<td style="line-height: 1.25rem; padding: 10px 16px; border: 1px solid #dcdcde;" valign="top">A map field is 8 bits wide. A value above 31 makes the shift undefined behaviour.</td>
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<h2 id="user-content-test-evidence" dir="auto" style="margin-top: 20px; margin-bottom: 10px;" align="initial">Test evidence<a href="#test-evidence" aria-label="Link to heading 'Test evidence'" data-heading-content="Test evidence" class="anchor" style="margin-top: 0px;"></a>
</h2>
<p dir="auto" style="color: #3a383f; margin: 0px 0px 1rem;" align="initial"><code style="font-size: 90%; color: #18171d; word-wrap: break-word; background-color: #ececef; border-radius: .25rem; margin-top: 0px; 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;">ts-validation-intr.exe</code> uses <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;">BSP_INTERRUPT_VECTOR_COUNT</code> (32) as its
invalid vector and expects <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;">RTEMS_INVALID_ID</code>. With <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;">LEON3_IRQAMP_IRQMAP</code>,
<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;">bsp_interrupt_is_valid_vector()</code> accepts vector 32. The test fails on any
GR740 for this reason.</p>
<p dir="auto" style="color: #3a383f; margin: 0px 0px 1rem;" align="initial">The runs used RTEMS <code style="font-size: 90%; color: #18171d; word-wrap: break-word; background-color: #ececef; border-radius: .25rem; margin-top: 0px; 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;">e9d427c097d</code> on SIS with <a href="https://gitlab.rtems.org/rtems/tools/rtems-sis/-/merge_requests/13" title="Emulate the GR740 interrupt map, adopt waf and REUSE" class="gfm gfm-merge_request" data-original="rtems/tools/rtems-sis!13" data-link="false" data-link-reference="false" data-merge-request="3048" data-project="8" data-project-path="rtems/tools/rtems-sis" data-iid="13" data-container="body" data-placement="top" data-reference-type="merge_request">rtems/tools/rtems-sis!13</a>, which
adds the 8 map registers of the manual. On SIS, offsets <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;">0x320</code> to <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;">0x33C</code>
read zero, so vectors 32 to 63 map to controller line 0.</p>
<table dir="auto" style="border-spacing: 0; text-align: initial; color: #3a383f; width: auto; border-collapse: collapse; border-width: 0;">
<thead style="margin-top: 0px;">
<tr style="margin-top: 0px;">
<th style="line-height: 1.25rem; color: #18171d; margin-top: 0px; padding: 10px 16px; border-color: #dcdcde; border-style: solid; border-width: 1px 1px 0;" valign="top">Build</th>
<th style="line-height: 1.25rem; color: #18171d; padding: 10px 16px; border-color: #dcdcde; border-style: solid; border-width: 1px 1px 0;" valign="top"><code style="font-size: 90%; color: #18171d; word-wrap: break-word; background-color: #ececef; border-radius: .25rem; margin-top: 0px; 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; white-space: pre-wrap; overflow-wrap: break-word; word-break: keep-all; padding: 0.125rem 0.25rem;">BSP_INTERRUPT_VECTOR_MAX_MAP</code></th>
<th style="line-height: 1.25rem; color: #18171d; padding: 10px 16px; border-color: #dcdcde; border-style: solid; border-width: 1px 1px 0;" valign="top">Checks</th>
<th style="line-height: 1.25rem; color: #18171d; padding: 10px 16px; border-color: #dcdcde; border-style: solid; border-width: 1px 1px 0;" valign="top">Failed checks</th>
</tr>
</thead>
<tbody>
<tr style="margin-top: 0px;">
<td style="line-height: 1.25rem; margin-top: 0px; padding: 10px 16px; border: 1px solid #dcdcde;" valign="top">uni</td>
<td style="line-height: 1.25rem; padding: 10px 16px; border: 1px solid #dcdcde;" valign="top">63</td>
<td style="line-height: 1.25rem; padding: 10px 16px; border: 1px solid #dcdcde;" valign="top">27642</td>
<td style="line-height: 1.25rem; padding: 10px 16px; border: 1px solid #dcdcde;" valign="top">434</td>
</tr>
<tr>
<td style="line-height: 1.25rem; margin-top: 0px; padding: 10px 16px; border: 1px solid #dcdcde;" valign="top">uni</td>
<td style="line-height: 1.25rem; padding: 10px 16px; border: 1px solid #dcdcde;" valign="top">31</td>
<td style="line-height: 1.25rem; padding: 10px 16px; border: 1px solid #dcdcde;" valign="top">27639</td>
<td style="line-height: 1.25rem; padding: 10px 16px; border: 1px solid #dcdcde;" valign="top">0</td>
</tr>
<tr>
<td style="line-height: 1.25rem; margin-top: 0px; padding: 10px 16px; border: 1px solid #dcdcde;" valign="top">SMP</td>
<td style="line-height: 1.25rem; padding: 10px 16px; border: 1px solid #dcdcde;" valign="top">63</td>
<td style="line-height: 1.25rem; padding: 10px 16px; border: 1px solid #dcdcde;" valign="top">27305</td>
<td style="line-height: 1.25rem; padding: 10px 16px; border: 1px solid #dcdcde;" valign="top">436</td>
</tr>
<tr>
<td style="line-height: 1.25rem; margin-top: 0px; padding: 10px 16px; border: 1px solid #dcdcde;" valign="top">SMP</td>
<td style="line-height: 1.25rem; padding: 10px 16px; border: 1px solid #dcdcde;" valign="top">31</td>
<td style="line-height: 1.25rem; padding: 10px 16px; border: 1px solid #dcdcde;" valign="top">27302</td>
<td style="line-height: 1.25rem; padding: 10px 16px; border: 1px solid #dcdcde;" valign="top">0</td>
</tr>
</tbody>
</table>
<p dir="auto" style="color: #3a383f; margin: 0px 0px 1rem;" align="initial">The rest of the test suite passes in both builds.</p>
<h2 id="user-content-proposed-fix" dir="auto" style="margin-top: 20px; margin-bottom: 10px;" align="initial">Proposed fix<a href="#proposed-fix" aria-label="Link to heading 'Proposed fix'" data-heading-content="Proposed fix" class="anchor" style="margin-top: 0px;"></a>
</h2>
<ol dir="auto" style="text-align: initial; margin: 0px 0px 1rem; padding: 0;">
<li style="margin-top: 0px; line-height: 1.6em; margin-left: 25px; padding-left: 3px;">Set the bound to 31 for the GR740. Derive it from the <code style="font-size: 90%; color: #18171d; word-wrap: break-word; background-color: #ececef; border-radius: .25rem; margin-top: 0px; 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; white-space: pre-wrap; overflow-wrap: break-word; word-break: keep-all; padding: 0.125rem 0.25rem;">irqmap</code> and <code style="font-size: 90%; color: #18171d; word-wrap: break-word; background-color: #ececef; border-radius: .25rem; 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; white-space: pre-wrap; overflow-wrap: break-word; word-break: keep-all; padding: 0.125rem 0.25rem;">eirq</code>
configuration if other LEON3 systems need 15.</li>
<li style="line-height: 1.6em; margin-left: 25px; padding-left: 3px;">Reduce <code style="font-size: 90%; color: #18171d; word-wrap: break-word; background-color: #ececef; border-radius: .25rem; margin-top: 0px; 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; white-space: pre-wrap; overflow-wrap: break-word; word-break: keep-all; padding: 0.125rem 0.25rem;">irqmap</code> in <code style="font-size: 90%; color: #18171d; word-wrap: break-word; background-color: #ececef; border-radius: .25rem; 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; white-space: pre-wrap; overflow-wrap: break-word; word-break: keep-all; padding: 0.125rem 0.25rem;">irqamp-regs.h</code> to 8 registers.</li>
<li style="line-height: 1.6em; margin-left: 25px; padding-left: 3px;">Reject a map value of 0 or above 31 in <code style="font-size: 90%; color: #18171d; word-wrap: break-word; background-color: #ececef; border-radius: .25rem; margin-top: 0px; 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; white-space: pre-wrap; overflow-wrap: break-word; word-break: keep-all; padding: 0.125rem 0.25rem;">leon3_ext_irq_init()</code>, or treat
the bus line as not connected.</li>
</ol>
<h2 id="user-content-open-point" dir="auto" style="margin-top: 20px; margin-bottom: 10px;" align="initial">Open point<a href="#open-point" aria-label="Link to heading 'Open point'" data-heading-content="Open point" class="anchor" style="margin-top: 0px;"></a>
</h2>
<p dir="auto" style="color: #3a383f; margin: 0px 0px 1rem;" align="initial"><code style="font-size: 90%; color: #18171d; word-wrap: break-word; background-color: #ececef; border-radius: .25rem; margin-top: 0px; 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;">leon3_ext_irq_init()</code> reads the map once. A write to IRQMAPn after the
initialisation leaves <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;">LEON3_IrqCtrl_Mapping</code> stale. A test which remaps a
line at run time must update the table, or the BSP must provide a set
function.</p>
<p dir="auto" style="color: #3a383f; margin: 0px;" align="initial">This description was created with Claude Code assistance.</p>
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