<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN" "http://www.w3.org/TR/REC-html40/loose.dtd">
<html lang="en" style="--code-editor-font: var(--default-mono-font, "GitLab Mono"), JetBrains Mono, Menlo, DejaVu Sans Mono, Liberation Mono, Consolas, Ubuntu Mono, Courier New, andale mono, lucida console, monospace;">
<head>
<meta content="text/html; charset=UTF-8" http-equiv="Content-Type">
<title>
GitLab
</title>
<style data-premailer="ignore" type="text/css">
a { color: #1068bf; }
</style>
<style>img {
max-width: 100%; height: auto;
}
body {
font-size: .875rem;
}
body {
-webkit-text-shadow: rgba(255,255,255,.01) 0 0 1px;
}
body {
font-family: "GitLab Sans",-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"Noto Sans",Ubuntu,Cantarell,"Helvetica Neue",sans-serif,"Apple Color Emoji","Segoe UI Emoji","Segoe UI Symbol","Noto Color Emoji"; font-size: inherit;
}
</style>
</head>
<body style="font-size: inherit; -webkit-text-shadow: rgba(255,255,255,.01) 0 0 1px; font-family: "GitLab Sans",-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"Noto Sans",Ubuntu,Cantarell,"Helvetica Neue",sans-serif,"Apple Color Emoji","Segoe UI Emoji","Segoe UI Symbol","Noto Color Emoji";">
<div class="content">
<p class="details" style="font-style: italic; color: #626168;">
<a href="https://gitlab.rtems.org/gedare">Gedare Bloom</a> created a merge request: <a href="https://gitlab.rtems.org/rtems/rtos/rtems/-/merge_requests/1086">!1086</a>
</p>
<div class="branch">
Project:Branches: gedare/rtems:riscv-smode to rtems/rtos/rtems:main
</div>
<div class="author">
Author: Gedare Bloom
</div>
<div class="assignee">
Assignee: Gedare Bloom
</div>
<div class="reviewer">
Reviewers:
</div>
<div class="md gl-mt-5" style="position: relative; z-index: 1; color: #3a383f; word-wrap: break-word; margin-top: 1rem;">
<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">Updates <a href="https://gitlab.rtems.org/rtems/rtos/rtems/-/issues/3337" title="RISC-V Port in Supervisor Mode" class="gfm gfm-issue" data-original="#3337" data-link="false" data-link-reference="false" data-issue="25770" data-project="26" data-iid="3337" data-namespace-path="rtems/rtos/rtems" data-project-path="rtems/rtos/rtems" data-issue-type="issue" data-container="body" data-placement="top" data-reference-type="issue" style="margin-top: 0;">#3337</a></p>
<p dir="auto" style="color: #3a383f; margin: 0 0 1rem;" align="initial">Adds a new CPU configuration option <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;">RISCV_USE_S_MODE</code> that enables booting and running RTEMS using the supervisor privileged mode (s-mode) instead of the machine privileged mode (m-mode). This is implemented only for the generic <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;">riscv</code> BSP variants and works only for uniprocessor execution with the <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;">Sstc</code> extension enabled (for s-mode timer access). We need to port Supervisor Binary Interface (SBI) calls to access the m-mode legacy timer, IPIs to support SMP, and console input.</p>
<p dir="auto" style="color: #3a383f; margin: 0 0 1rem;" align="initial">It can be run using
<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;">qemu-system-riscv64 -M virt -nographic -kernel build/riscv/rv64imafdc_s/testsuites/samples/hello.exe</code></p>
<p dir="auto" style="color: #3a383f; margin: 0 0 1rem;" align="initial">with config.ini:</p>
<div class="gl-relative markdown-code-block js-markdown-code">
<pre class="code highlight js-syntax-highlight language-plaintext" 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="plaintext" style="margin-top: 0;">[riscv/rv64imafdc_s]</span>
<span id="LC2" class="line" lang="plaintext">INHERIT = rv64imafdc</span>
<span id="LC3" class="line" lang="plaintext">RISCV_RAM_REGION_BEGIN = 0x84000000</span>
<span id="LC4" class="line" lang="plaintext">RISCV_RAM_REGION_SIZE = 0x03000000</span>
<span id="LC5" class="line" lang="plaintext">RISCV_USE_S_MODE = True</span></code></pre>
<copy-code></copy-code><insert-code-snippet></insert-code-snippet>
</div>
<p dir="auto" style="color: #3a383f; margin: 0 0 1rem;" align="initial">There are about mixed failures whether using s-mode or m-mode.</p>
<p dir="auto" style="color: #3a383f; margin: 0 0 1rem;" align="initial">Test results with S-Mode:</p>
<div class="gl-relative markdown-code-block js-markdown-code">
<pre class="code highlight js-syntax-highlight language-plaintext" 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="plaintext" style="margin-top: 0;">Passed: 644</span>
<span id="LC2" class="line" lang="plaintext">Failed: 17</span>
<span id="LC3" class="line" lang="plaintext">User Input: 6</span>
<span id="LC4" class="line" lang="plaintext">Expected Fail: 24</span>
<span id="LC5" class="line" lang="plaintext">Indeterminate: 0</span>
<span id="LC6" class="line" lang="plaintext">Benchmark: 3</span>
<span id="LC7" class="line" lang="plaintext">Timeout: 6</span>
<span id="LC8" class="line" lang="plaintext">Test too long: 0</span>
<span id="LC9" class="line" lang="plaintext">Invalid: 0</span>
<span id="LC10" class="line" lang="plaintext">Wrong Version: 0</span>
<span id="LC11" class="line" lang="plaintext">Wrong Build: 0</span>
<span id="LC12" class="line" lang="plaintext">Wrong Tools: 0</span>
<span id="LC13" class="line" lang="plaintext">Wrong Header: 0</span>
<span id="LC14" class="line" lang="plaintext">------------------</span>
<span id="LC15" class="line" lang="plaintext">Total: 700</span>
<span id="LC16" class="line" lang="plaintext"></span>
<span id="LC17" class="line" lang="plaintext">Failures:</span>
<span id="LC18" class="line" lang="plaintext"> dl01.exe</span>
<span id="LC19" class="line" lang="plaintext"> dl02.exe</span>
<span id="LC20" class="line" lang="plaintext"> dl05.exe</span>
<span id="LC21" class="line" lang="plaintext"> dl06.exe</span>
<span id="LC22" class="line" lang="plaintext"> dl07.exe</span>
<span id="LC23" class="line" lang="plaintext"> dl08.exe</span>
<span id="LC24" class="line" lang="plaintext"> dl09.exe</span>
<span id="LC25" class="line" lang="plaintext"> dl11.exe</span>
<span id="LC26" class="line" lang="plaintext"> dl12.exe</span>
<span id="LC27" class="line" lang="plaintext"> fsfatfsformat01.exe</span>
<span id="LC28" class="line" lang="plaintext"> psx09.exe</span>
<span id="LC29" class="line" lang="plaintext"> psxstat.exe</span>
<span id="LC30" class="line" lang="plaintext"> sp69.exe</span>
<span id="LC31" class="line" lang="plaintext"> stringto01.exe</span>
<span id="LC32" class="line" lang="plaintext"> tftpfs.exe</span>
<span id="LC33" class="line" lang="plaintext"> ts-validation-one-cpu-0.exe</span>
<span id="LC34" class="line" lang="plaintext"> ttest01.exe</span>
<span id="LC35" class="line" lang="plaintext">...</span>
<span id="LC36" class="line" lang="plaintext">Timeouts:</span>
<span id="LC37" class="line" lang="plaintext"> spconsole01.exe</span>
<span id="LC38" class="line" lang="plaintext"> tm27.exe</span>
<span id="LC39" class="line" lang="plaintext"> ts-performance-no-clock-0.exe</span>
<span id="LC40" class="line" lang="plaintext"> ts-unit-no-clock-0.exe</span>
<span id="LC41" class="line" lang="plaintext"> ts-validation-intr.exe</span>
<span id="LC42" class="line" lang="plaintext"> ts-validation-no-clock-0.exe</span></code></pre>
<copy-code></copy-code><insert-code-snippet></insert-code-snippet>
</div>
<p dir="auto" style="color: #3a383f; margin: 0 0 1rem;" align="initial">Test results without S-Mode:</p>
<div class="gl-relative markdown-code-block js-markdown-code">
<pre class="code highlight js-syntax-highlight language-plaintext" 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="plaintext" style="margin-top: 0;">Passed: 648</span>
<span id="LC2" class="line" lang="plaintext">Failed: 19</span>
<span id="LC3" class="line" lang="plaintext">User Input: 6</span>
<span id="LC4" class="line" lang="plaintext">Expected Fail: 24</span>
<span id="LC5" class="line" lang="plaintext">Indeterminate: 0</span>
<span id="LC6" class="line" lang="plaintext">Benchmark: 3</span>
<span id="LC7" class="line" lang="plaintext">Timeout: 0</span>
<span id="LC8" class="line" lang="plaintext">Test too long: 0</span>
<span id="LC9" class="line" lang="plaintext">Invalid: 0</span>
<span id="LC10" class="line" lang="plaintext">Wrong Version: 0</span>
<span id="LC11" class="line" lang="plaintext">Wrong Build: 0</span>
<span id="LC12" class="line" lang="plaintext">Wrong Tools: 0</span>
<span id="LC13" class="line" lang="plaintext">Wrong Header: 0</span>
<span id="LC14" class="line" lang="plaintext">------------------</span>
<span id="LC15" class="line" lang="plaintext">Total: 700</span>
<span id="LC16" class="line" lang="plaintext"></span>
<span id="LC17" class="line" lang="plaintext">Failures:</span>
<span id="LC18" class="line" lang="plaintext"> dl01.exe</span>
<span id="LC19" class="line" lang="plaintext"> dl02.exe</span>
<span id="LC20" class="line" lang="plaintext"> dl05.exe</span>
<span id="LC21" class="line" lang="plaintext"> dl06.exe</span>
<span id="LC22" class="line" lang="plaintext"> dl07.exe</span>
<span id="LC23" class="line" lang="plaintext"> dl08.exe</span>
<span id="LC24" class="line" lang="plaintext"> dl09.exe</span>
<span id="LC25" class="line" lang="plaintext"> dl11.exe</span>
<span id="LC26" class="line" lang="plaintext"> dl12.exe</span>
<span id="LC27" class="line" lang="plaintext"> fsfatfsformat01.exe</span>
<span id="LC28" class="line" lang="plaintext"> psx09.exe</span>
<span id="LC29" class="line" lang="plaintext"> psx12.exe</span>
<span id="LC30" class="line" lang="plaintext"> psxstat.exe</span>
<span id="LC31" class="line" lang="plaintext"> sp69.exe</span>
<span id="LC32" class="line" lang="plaintext"> spcpucounter01.exe</span>
<span id="LC33" class="line" lang="plaintext"> stringto01.exe</span>
<span id="LC34" class="line" lang="plaintext"> tftpfs.exe</span>
<span id="LC35" class="line" lang="plaintext"> ts-validation-intr.exe</span>
<span id="LC36" class="line" lang="plaintext"> ttest01.exe</span></code></pre>
<copy-code></copy-code><insert-code-snippet></insert-code-snippet>
</div>
<h2 id="user-content-generative-ai" dir="auto" style="margin-top: 20px; margin-bottom: 0;" align="initial">Generative AI<a href="#generative-ai" aria-label="Link to heading 'Generative AI'" data-heading-content="Generative AI" class="anchor" style="margin-top: 0;"></a>
</h2>
</div>
</div>
<div class="footer" style="margin-top: 10px;">
<p style="font-size: small; color: #626168;">
—
<br>
<a href="https://gitlab.rtems.org/rtems/rtos/rtems/-/merge_requests/1086">View it on GitLab</a>.
<br>
You're receiving this email because of your account on <a target="_blank" rel="noopener noreferrer" href="https://gitlab.rtems.org">gitlab.rtems.org</a>. <a href="https://gitlab.rtems.org/-/sent_notifications/2-99t887nfq27kiww7pyhgowy4v/unsubscribe" target="_blank" rel="noopener noreferrer">Unsubscribe</a> from this thread · <a href="https://gitlab.rtems.org/-/profile/notifications" target="_blank" rel="noopener noreferrer" class="mng-notif-link">Manage all notifications</a> · <a href="https://gitlab.rtems.org/help" target="_blank" rel="noopener noreferrer" class="help-link">Help</a>
<span style="color: transparent; font-size: 0; display: none; overflow: hidden; opacity: 0; width: 0; height: 0; max-width: 0; max-height: 0;">
Notification message regarding https://gitlab.rtems.org/rtems/rtos/rtems/-/merge_requests/1086 at 1772143706
</span>
<script type="application/ld+json">{"@context":"http://schema.org","@type":"EmailMessage","action":{"@type":"ViewAction","name":"View Merge request","url":"https://gitlab.rtems.org/rtems/rtos/rtems/-/merge_requests/1086"}}</script>
</p>
</div>
</body>
</html>