<!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=US-ASCII" 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 style="color: #777777;">
<a href="https://gitlab.rtems.org/junkes">Heinz Junkes</a>
<a href="https://gitlab.rtems.org/rtems/rtos/rtems/-/merge_requests/494#note_123156">commented</a>:
</p>
<div class="md" style="position: relative; z-index: 1; color: #28272d; word-wrap: break-word;">
<p dir="auto" style="color: #28272d; margin: 0 0 16px;" align="initial">Hello Jacob, thank you for your quick reply.
I run the whole thing in qemu. I blob the FDT from this version 1.20200601:</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: #28272d; 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; word-break: break-all; word-wrap: break-word; background-color: #fbfafd; margin: 0 0 16px; 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; vertical-align: bottom; overflow-wrap: normal; padding: unset;'><span id="LC1" class="line" lang="plaintext" style="margin-top: 0;">git clone -b '1.20200601' --single-branch --depth 1 https://github.com/raspberrypi/firmware.git</span></code></pre>
<copy-code></copy-code><insert-code-snippet></insert-code-snippet>
</div>
<p dir="auto" style="color: #28272d; margin: 0 0 16px;" align="initial">I can find the symbol in my exe file:</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: #28272d; 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; word-break: break-all; word-wrap: break-word; background-color: #fbfafd; margin: 0 0 16px; 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; vertical-align: bottom; overflow-wrap: normal; padding: unset;'><span id="LC1" class="line" lang="plaintext" style="margin-top: 0;">junkes@Mac BHT_VE % grep arm_pl011_read_polled examples/./build/arm-rtems7-raspberrypi2/posix_api/hpj_example/hpj_example.exe</span>
<span id="LC2" class="line" lang="plaintext">Binary file examples/./build/arm-rtems7-raspberrypi2/posix_api/hpj_example/hpj_example.exe matches</span></code></pre>
<copy-code></copy-code><insert-code-snippet></insert-code-snippet>
</div>
<p dir="auto" style="color: #28272d; margin: 0 0 16px;" align="initial">Das exe file mache ich zum img file um den qemu damit zu laden:</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: #28272d; 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; word-break: break-all; word-wrap: break-word; background-color: #fbfafd; margin: 0 0 16px; 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; vertical-align: bottom; overflow-wrap: normal; padding: unset;'><span id="LC1" class="line" lang="plaintext" style="margin-top: 0;">./rtems/7/bin/arm-rtems7-objcopy -O binary examples/build/arm-rtems7-raspberrypi2/posix_api/hpj_example/hpj_example.exe hpj_example.img</span></code></pre>
<copy-code></copy-code><insert-code-snippet></insert-code-snippet>
</div>
<p dir="auto" style="color: #28272d; margin: 0 0 16px;" align="initial">and start the qemu:</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: #28272d; 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; word-break: break-all; word-wrap: break-word; background-color: #fbfafd; margin: 0 0 16px; 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; vertical-align: bottom; overflow-wrap: normal; padding: unset;'><span id="LC1" class="line" lang="plaintext" style="margin-top: 0;">qemu-system-arm -M raspi2b -m 1G -kernel hpj_example.img -serial mon:stdio -nographic -no-reboot -dtb bcm2709-rpi-2-b.dtb -S -s</span></code></pre>
<copy-code></copy-code><insert-code-snippet></insert-code-snippet>
</div>
<p dir="auto" style="color: #28272d; margin: 0 0 16px;" align="initial">Und dann starte ich den debugger mit:</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: #28272d; 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; word-break: break-all; word-wrap: break-word; background-color: #fbfafd; margin: 0 0 16px; 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; vertical-align: bottom; overflow-wrap: normal; padding: unset;'><span id="LC1" class="line" lang="plaintext" style="margin-top: 0;">./rtems/7/bin/arm-rtems7-gdb examples/./build/arm-rtems7-raspberrypi2/posix_api/hpj_example/hpj_example.exe</span>
<span id="LC2" class="line" lang="plaintext">GNU gdb (GDB) 16.2</span>
<span id="LC3" class="line" lang="plaintext">Copyright (C) 2024 Free Software Foundation, Inc.</span>
<span id="LC4" class="line" lang="plaintext">License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html></span>
<span id="LC5" class="line" lang="plaintext">This is free software: you are free to change and redistribute it.</span>
<span id="LC6" class="line" lang="plaintext">There is NO WARRANTY, to the extent permitted by law.</span>
<span id="LC7" class="line" lang="plaintext">Type "show copying" and "show warranty" for details.</span>
<span id="LC8" class="line" lang="plaintext">This GDB was configured as "--host=arm64-apple-darwin24.4.0 --target=arm-rtems7".</span>
<span id="LC9" class="line" lang="plaintext">Type "show configuration" for configuration details.</span>
<span id="LC10" class="line" lang="plaintext">For bug reporting instructions, please see:</span>
<span id="LC11" class="line" lang="plaintext"><https://www.gnu.org/software/gdb/bugs/>.</span>
<span id="LC12" class="line" lang="plaintext">Find the GDB manual and other documentation resources online at:</span>
<span id="LC13" class="line" lang="plaintext"> <http://www.gnu.org/software/gdb/documentation/>.</span>
<span id="LC14" class="line" lang="plaintext"></span>
<span id="LC15" class="line" lang="plaintext">For help, type "help".</span>
<span id="LC16" class="line" lang="plaintext">Type "apropos word" to search for commands related to "word"...</span>
<span id="LC17" class="line" lang="plaintext">Reading symbols from examples/./build/arm-rtems7-raspberrypi2/posix_api/hpj_example/hpj_example.exe...</span>
<span id="LC18" class="line" lang="plaintext">0x00000000 in ?? ()</span>
<span id="LC19" class="line" lang="plaintext">Loading section .start, size 0x5d8 lma 0x200000</span>
<span id="LC20" class="line" lang="plaintext">Loading section .text, size 0x26820 lma 0x200600</span>
<span id="LC21" class="line" lang="plaintext">Loading section .init, size 0xc lma 0x226e20</span>
<span id="LC22" class="line" lang="plaintext">Loading section .fini, size 0xc lma 0x226e2c</span>
<span id="LC23" class="line" lang="plaintext">Loading section .rodata, size 0x4679c lma 0x226e38</span>
<span id="LC24" class="line" lang="plaintext">Loading section .ARM.extab, size 0x18 lma 0x26d5d4</span>
<span id="LC25" class="line" lang="plaintext">Loading section .ARM.exidx, size 0xc0 lma 0x26d5ec</span>
<span id="LC26" class="line" lang="plaintext">Loading section .eh_frame, size 0x4 lma 0x26d6ac</span>
<span id="LC27" class="line" lang="plaintext">Loading section .tdata, size 0xc lma 0x26d6b0</span>
<span id="LC28" class="line" lang="plaintext">Loading section .init_array, size 0x4 lma 0x26d6c0</span>
<span id="LC29" class="line" lang="plaintext">Loading section .fini_array, size 0x4 lma 0x26d6c4</span>
<span id="LC30" class="line" lang="plaintext">Loading section .rtemsroset, size 0x8c lma 0x26d6c8</span>
<span id="LC31" class="line" lang="plaintext">Loading section .data, size 0x2018 lma 0x300000</span>
<span id="LC32" class="line" lang="plaintext">Start address 0x00200080, load size 456512</span>
<span id="LC33" class="line" lang="plaintext">Transfer rate: 8 KB/sec, 1934 bytes/write.</span>
<span id="LC34" class="line" lang="plaintext">Restoring binary file bcm2710-rpi-2-b.dtb into memory (0x2ef00000 to 0x2ef063e3)</span>
<span id="LC35" class="line" lang="plaintext">RTEMS GDB Support</span>
<span id="LC36" class="line" lang="plaintext">(gdb)</span></code></pre>
<copy-code></copy-code><insert-code-snippet></insert-code-snippet>
</div>
<p dir="auto" style="color: #28272d; margin: 0 0 16px;" align="initial">But I don't understand why I can't set a breakpoint on 'arm_pl011_read_polled' now?</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: #28272d; 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; word-break: break-all; word-wrap: break-word; background-color: #fbfafd; margin: 0 0 16px; 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; vertical-align: bottom; overflow-wrap: normal; padding: unset;'><span id="LC1" class="line" lang="plaintext" style="margin-top: 0;">(gdb) b arm_pl011_read_polled</span>
<span id="LC2" class="line" lang="plaintext">Function "arm_pl011_read_polled" not defined.</span>
<span id="LC3" class="line" lang="plaintext">Make breakpoint pending on future shared library load? (y or [n]) n</span></code></pre>
<copy-code></copy-code><insert-code-snippet></insert-code-snippet>
</div>
<p dir="auto" style="color: #28272d; margin: 0;" align="initial">What are you doing wrong? Do you have any ideas? Danke Heinz</p>
</div>
</div>
<div class="footer" style="margin-top: 10px;">
<p style="font-size: small; color: #737278;">
—
<br>
<a href="https://gitlab.rtems.org/rtems/rtos/rtems/-/merge_requests/494#note_123156">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/2841e551c6ec5430c6b8c0f6609ff9c1/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>
<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/494#note_123156"}}</script>
</p>
</div>
</body>
</html>