https://xinu.cs.mu.edu/index.php?action=history&feed=atom&title=Talk%3AMemory%2FArchive1 2026-06-15T16:36:52Z Revision history for this page on the wiki MediaWiki 1.34.2 https://xinu.cs.mu.edu/index.php?title=Talk:Memory/Archive1&diff=2168&oldid=prev 2007-09-18T20:10:58Z

<p><a href="/index.php/Talk:Memory" title="Talk:Memory">Talk:Memory</a> moved to <a href="/index.php/Talk:Memory/Archive1" title="Talk:Memory/Archive1">Talk:Memory/Archive1</a>: Too ugly for talk page.</p> <table class="diff diff-contentalign-left" data-mw="interface"> <tr class="diff-title" lang="en"> <td colspan="1" style="background-color: #fff; color: #222; text-align: center;">← Older revision</td> <td colspan="1" style="background-color: #fff; color: #222; text-align: center;">Revision as of 20:10, 18 September 2007</td> </tr><tr><td colspan="2" class="diff-notice" lang="en"><div class="mw-diff-empty">(No difference)</div> </td></tr></table>

Michael https://xinu.cs.mu.edu/index.php?title=Talk:Memory/Archive1&diff=2167&oldid=prev 2007-09-18T20:10:34Z

<p>Cleaned up page</p> <table class="diff diff-contentalign-left" data-mw="interface"> <col class="diff-marker" /> <col class="diff-content" /> <col class="diff-marker" /> <col class="diff-content" /> <tr class="diff-title" lang="en"> <td colspan="2" style="background-color: #fff; color: #222; text-align: center;">← Older revision</td> <td colspan="2" style="background-color: #fff; color: #222; text-align: center;">Revision as of 20:10, 18 September 2007</td> </tr><tr><td colspan="2" class="diff-lineno" id="mw-diff-left-l1" >Line 1:</td> <td colspan="2" class="diff-lineno">Line 1:</td></tr> <tr><td class='diff-marker'>−</td><td style="color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div>This is <del class="diffchange diffchange-inline">what was originally on </del>the page, <del class="diffchange diffchange-inline">now being cleaned </del>up<del class="diffchange diffchange-inline">.</del></div></td><td class='diff-marker'>+</td><td style="color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div>This is <ins class="diffchange diffchange-inline">how </ins>the page <ins class="diffchange diffchange-inline">originally appeared</ins>, <ins class="diffchange diffchange-inline">before cleaning </ins>up <ins class="diffchange diffchange-inline">[[User:Michael|Michael]] 15:10, 18 September 2007 (CDT)</ins></div></td></tr> <tr><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"></td><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"></td></tr> <tr><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>&lt;pre&gt;</div></td><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>&lt;pre&gt;</div></td></tr> </table>

Michael https://xinu.cs.mu.edu/index.php?title=Talk:Memory/Archive1&diff=2149&oldid=prev 2007-09-17T22:08:42Z

<p>Old memory layout</p> <table class="diff diff-contentalign-left" data-mw="interface"> <col class="diff-marker" /> <col class="diff-content" /> <col class="diff-marker" /> <col class="diff-content" /> <tr class="diff-title" lang="en"> <td colspan="2" style="background-color: #fff; color: #222; text-align: center;">← Older revision</td> <td colspan="2" style="background-color: #fff; color: #222; text-align: center;">Revision as of 22:08, 17 September 2007</td> </tr><tr><td colspan="2" class="diff-lineno" id="mw-diff-left-l1" >Line 1:</td> <td colspan="2" class="diff-lineno">Line 1:</td></tr> <tr><td class='diff-marker'>−</td><td style="color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div><del class="diffchange diffchange-inline">{{Cleanup}}</del></div></td><td class='diff-marker'>+</td><td style="color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div><ins class="diffchange diffchange-inline">This </ins>is <ins class="diffchange diffchange-inline">what was originally </ins>on the <ins class="diffchange diffchange-inline">page, now being cleaned up</ins>.</div></td></tr> <tr><td class='diff-marker'>−</td><td style="color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div> </div></td><td colspan="2"> </td></tr> <tr><td class='diff-marker'>−</td><td style="color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div><del class="diffchange diffchange-inline">Currently this </del>is <del class="diffchange diffchange-inline">how we believe memory is mapped </del>on the <del class="diffchange diffchange-inline">device</del>.</div></td><td colspan="2"> </td></tr> <tr><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"></td><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"></td></tr> <tr><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>&lt;pre&gt;</div></td><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>&lt;pre&gt;</div></td></tr> </table>

Michael https://xinu.cs.mu.edu/index.php?title=Talk:Memory/Archive1&diff=2146&oldid=prev 2007-09-17T22:07:45Z

<p><a href="/index.php/Memory" title="Memory">Memory</a> moved to <a href="/index.php/Talk:Memory" title="Talk:Memory">Talk:Memory</a></p> <table class="diff diff-contentalign-left" data-mw="interface"> <tr class="diff-title" lang="en"> <td colspan="1" style="background-color: #fff; color: #222; text-align: center;">← Older revision</td> <td colspan="1" style="background-color: #fff; color: #222; text-align: center;">Revision as of 22:07, 17 September 2007</td> </tr><tr><td colspan="2" class="diff-notice" lang="en"><div class="mw-diff-empty">(No difference)</div> </td></tr></table>

Michael https://xinu.cs.mu.edu/index.php?title=Talk:Memory/Archive1&diff=1887&oldid=prev 2007-07-11T23:18:01Z

<p>added gpio</p> <table class="diff diff-contentalign-left" data-mw="interface"> <col class="diff-marker" /> <col class="diff-content" /> <col class="diff-marker" /> <col class="diff-content" /> <tr class="diff-title" lang="en"> <td colspan="2" style="background-color: #fff; color: #222; text-align: center;">← Older revision</td> <td colspan="2" style="background-color: #fff; color: #222; text-align: center;">Revision as of 23:18, 11 July 2007</td> </tr><tr><td colspan="2" class="diff-lineno" id="mw-diff-left-l33" >Line 33:</td> <td colspan="2" class="diff-lineno">Line 33:</td></tr> <tr><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>|+------------</div></td><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>|+------------</div></td></tr> <tr><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>||0xB800 0000  Broadcom I/O Controller [ IRQ 3 ]</div></td><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>||0xB800 0000  Broadcom I/O Controller [ IRQ 3 ]</div></td></tr> <tr><td colspan="2"> </td><td class='diff-marker'>+</td><td style="color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div><ins style="font-weight: bold; text-decoration: none;">||+-----------</ins></div></td></tr> <tr><td colspan="2"> </td><td class='diff-marker'>+</td><td style="color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div><ins style="font-weight: bold; text-decoration: none;">|||0xB800 0060  GPIO</ins></div></td></tr> <tr><td colspan="2"> </td><td class='diff-marker'>+</td><td style="color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div><ins style="font-weight: bold; text-decoration: none;">|||0xB800 006F</ins></div></td></tr> <tr><td colspan="2"> </td><td class='diff-marker'>+</td><td style="color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div><ins style="font-weight: bold; text-decoration: none;">||+-----------</ins></div></td></tr> <tr><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>||+-----------</div></td><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>||+-----------</div></td></tr> <tr><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>|||0xB800 0300  UART 0</div></td><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>|||0xB800 0300  UART 0</div></td></tr> </table>

Phinze https://xinu.cs.mu.edu/index.php?title=Talk:Memory/Archive1&diff=1747&oldid=prev 2007-06-22T18:20:21Z

<p></p> <table class="diff diff-contentalign-left" data-mw="interface"> <col class="diff-marker" /> <col class="diff-content" /> <col class="diff-marker" /> <col class="diff-content" /> <tr class="diff-title" lang="en"> <td colspan="2" style="background-color: #fff; color: #222; text-align: center;">← Older revision</td> <td colspan="2" style="background-color: #fff; color: #222; text-align: center;">Revision as of 18:20, 22 June 2007</td> </tr><tr><td colspan="2" class="diff-lineno" id="mw-diff-left-l87" >Line 87:</td> <td colspan="2" class="diff-lineno">Line 87:</td></tr> <tr><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>|0xC000 0000    Kernel Segment 2 (KSEG2)</div></td><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>|0xC000 0000    Kernel Segment 2 (KSEG2)</div></td></tr> <tr><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>|0xFFFF FFFF</div></td><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>|0xFFFF FFFF</div></td></tr> <tr><td colspan="2"> </td><td class='diff-marker'>+</td><td style="color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div><ins style="font-weight: bold; text-decoration: none;">------------</ins></div></td></tr> <tr><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>&lt;/pre&gt;</div></td><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>&lt;/pre&gt;</div></td></tr> </table>

Michael https://xinu.cs.mu.edu/index.php?title=Talk:Memory/Archive1&diff=1742&oldid=prev 2007-06-22T18:08:56Z

<p>New page: {{Cleanup}} Currently this is how we believe memory is mapped on the device. &lt;pre&gt; ------------ |0x0000 0000 User Segment | 0x00FF FFFF End of 16 MB physical ram | |0x7FFF FFFF ----...</p> <p><b>New page</b></p><div>{{Cleanup}}<br /> <br /> Currently this is how we believe memory is mapped on the device.<br /> <br /> &lt;pre&gt;<br /> ------------<br /> |0x0000 0000 User Segment<br /> | 0x00FF FFFF End of 16 MB physical ram<br /> |<br /> |0x7FFF FFFF<br /> ------------<br /> |0x8000 0000 Kernel Segment 0 (KSEG0) Unmapped, cached.<br /> | Translates to lowest 512 MB of physical memory.<br /> | Ideal for kernel.<br /> |<br /> |+-----------<br /> ||0x8000 0180 Interrupt vector<br /> ||0x8000 0200<br /> |+-----------<br /> |<br /> |+-----------<br /> ||0x8000 1000 Kernel entry point.<br /> || Kernel text, data, heap, and stack segments<br /> ||0x80FF FFFF End of 16MB physical ram<br /> |+-----------<br /> |<br /> |0x9FFF FFFF<br /> ------------<br /> |0xA000 0000 Kernel Segment 1 (KSEG1) Unmapped, uncached.<br /> | Translates (again) to lowest 512 MB of physical memory.<br /> | Ideal for memory-mapped I/O ports.<br /> |<br /> |+------------<br /> ||0xB800 0000 Broadcom I/O Controller [ IRQ 3 ]<br /> ||+-----------<br /> |||0xB800 0300 UART 0<br /> |||0xB800 0307<br /> ||+-----------<br /> ||<br /> ||+-----------<br /> |||0xB800 0400 UART 1<br /> |||0xB800 0407<br /> ||+-----------<br /> ||<br /> ||<br /> |+------------<br /> ||0xB800 1000 Broadcom Ethernet 47xx (4401?) [ IRQ 4 ]<br /> ||<br /> |+------------<br /> ||0xB800 2000 Mips 32 CPU [ IRQ 5 ]<br /> ||<br /> |+------------<br /> ||0xB800 3000 Broadcom USB Controller [ IRQ 6 ]<br /> ||<br /> |+------------<br /> ||0xB800 4000 DD SDRAM Controller [ IRQ 3 ]<br /> ||<br /> |+------------<br /> ||0xB800 5000 Broadcom Wireless LAN Controller [ IRQ 2 ]<br /> ||<br /> |+------------<br /> ||0xB800 6000 Broadcom 47xx Robo Switch Core [ IRQ 3 ]<br /> ||<br /> |+------------<br /> ||0xBC00 0000 Flash RAM (4 MB)<br /> ||+-----------<br /> |||0xBC00 0000 flash0.boot (256 KB)<br /> |||<br /> |||0xBC03 FFFF<br /> ||+-----------<br /> |||0xBC04 0000 flash0.trx<br /> |||<br /> |||0xBC04 001B or 0xBC04 03FF<br /> ||+-----------<br /> |||0xBC04 001C or 0xBC04 0400<br /> ||| flash0.os (3808 KB)<br /> |||0xBC3F 7FFF<br /> ||+-----------<br /> |||0xBC3F 8000 flash0.nvram (32 KB)<br /> |||<br /> |||0xBC3F FFFF<br /> ||+-----------<br /> ||0xBC3F FFFF<br /> |+------------<br /> |0xBFFF FFFF<br /> ------------<br /> |0xC000 0000 Kernel Segment 2 (KSEG2)<br /> |0xFFFF FFFF<br /> &lt;/pre&gt;</div>

Michael