From 83047cedb682360802263a65939587bf75a79e28 Mon Sep 17 00:00:00 2001
From: Gregory Nutt <gnutt@nuttx.org>
Date: Mon, 1 Sep 2014 13:21:15 -0600
Subject: [PATCH] Remove final traces of the 8015 from the NuttX source tree

---
 Documentation/NuttX.html             | 17 +++++++++++------
 Documentation/NuttxPortingGuide.html | 21 +--------------------
 Documentation/README.html            |  2 --
 3 files changed, 12 insertions(+), 28 deletions(-)

diff --git a/Documentation/NuttX.html b/Documentation/NuttX.html
index 049d4294ef4..276ae22a7fe 100644
--- a/Documentation/NuttX.html
+++ b/Documentation/NuttX.html
@@ -8,7 +8,7 @@
   <tr align="center" bgcolor="#e4e4e4">
     <td>
       <h1><big><font color="#3c34ec"><i>NuttX RTOS</i></font></big></h1>
-      <p>Last Updated: August 15, 2014</p>
+      <p>Last Updated: September 1, 2014</p>
     </td>
   </tr>
 </table>
@@ -1254,7 +1254,7 @@
   </li>
   <li>Intel
     <ul>
-      <li><a href="#80x52">Intel 80x52 Microcontroller</a> (1)</li>
+      <li><a href="#80x52">Intel 80x52 Microcontroller</a> (1) (<i>obsoleted</i>)</li>
       <li><a href="#80x86">Intel 80x86</a> (2)</li>
     </ul>
   </li>
@@ -1330,7 +1330,7 @@
   </li>
   <li>Intel
     <ul>
-      <li><a href="#80x52">Intel 80x52</a></li>
+      <li><a href="#80x52">Intel 80x52</a> (<i>obsoleted</i>)</li>
       <li><a href="#80x86">Intel 80x86</a></li>
     </ul>
   </li>
@@ -3622,8 +3622,7 @@ Mem:         29232       5920      23312      23312
   <td>
     <p>
       <b>PJRC 87C52 Development Board</b>.
-      This port uses the <a href="http://www.pjrc.com/">PJRC</a> 87C52 development system
-      and the <a href="http://sdcc.sourceforge.net/">SDCC</a> toolchain under Linux or Cygwin.
+      This port uses the <a href="http://www.pjrc.com/">PJRC</a> 87C52 development system and the <a href="http://sdcc.sourceforge.net/">SDCC</a> toolchain under Linux or Cygwin.
     </p>
     <ul>
       <p>
@@ -3633,7 +3632,13 @@ Mem:         29232       5920      23312      23312
         address space during interrupt handling.
         This architecture has not been built in some time will likely have some compilation
         problems because of SDCC compiler differences.
-        Refer to the NuttX board <a href="http://sourceforge.net/p/nuttx/git/ci/master/tree/nuttx/configs/pjrc-8051/README.txt">README</a> file for further information.
+        Refer to the NuttX board <a href="http://sourceforge.net/p/nuttx/git/ci/master/tree/misc/Obsoleted/configs/pjrc-8051/README.txt">README</a> file for further information.
+      </p>
+      <p>
+        <b>Obsoleted</b>.
+        This architecture has been obsoleted.
+        The code has been moved out of the source tree an can now be found in <a href="http://sourceforge.net/p/nuttx/git/ci/master/tree/misc/Obsoleted/">Obsoleted</a> directory.
+        This support was obsoleted because (1) the architecture limitations of the 8051 family make ongoing support too difficult, and (2) although the basic port was marginally functional, it has never really been demonstrated convincingly in any application.
       </p>
     </ul>
   </td>
diff --git a/Documentation/NuttxPortingGuide.html b/Documentation/NuttxPortingGuide.html
index 7bbadfaed39..07996d513fc 100644
--- a/Documentation/NuttxPortingGuide.html
+++ b/Documentation/NuttxPortingGuide.html
@@ -607,10 +607,6 @@
     This is a work in progress.
   </li>
 
-  <li><code>arch/8051</code>:
-    8051 Microcontroller.  This port is not quite ready for prime time.
-  </li>
-
   <li><code>arch/z16f</code>:
     Zilog z16f Microcontroller.
     This port uses the Zilog z16f2800100zcog Development Kit.
@@ -950,12 +946,6 @@
     (PICkit 2 does not work with the PIC32).
   </li>
 
-  <li><code>configs/pjrc-8051</code>:
-    8051 Microcontroller.  This port uses the PJRC 87C52 development system
-    and the <a href="http://sdcc.sourceforge.net/">SDCC</a> toolchain under Linux or Cygwin.
-    This port is not quite ready for prime time.
-  </li>
-
   <li><code>configs/qemu-i486</code>:
     Port of NuttX to QEMU in i486 mode.  This port will also run on real i486
     hardware (Google the Bifferboard).
@@ -1806,9 +1796,6 @@ The system can be re-made subsequently by just typing <code>make</code>.
   <li><code>adj_stack_ptr</code>: Adjusted <code>stack_alloc_ptr</code> for HW.  The
     initial value of the stack pointer.
 </ul>
-<p>
-  This API is <i>NOT</i> required if <code>CONFIG_CUSTOM_STACK</code> is defined.
-</p>
 
 <p><b>Input Parameters</b>:</p>
 <ul>
@@ -1861,9 +1848,6 @@ The system can be re-made subsequently by just typing <code>make</code>.
   <li><code>adj_stack_ptr</code>: Adjusted <code>stack_alloc_ptr</code> for HW.  The
     initial value of the stack pointer.
 </ul>
-<p>
-  This API is <i>NOT</i> required if <code>CONFIG_CUSTOM_STACK</code> is defined.
-</p>
 
 <p><b>Input Parameters:</b></p>
 <ul>
@@ -1906,7 +1890,7 @@ The system can be re-made subsequently by just typing <code>make</code>.
   </li>
 </ul>
 <p>
-  This API is <i>NOT</i> required if <code>CONFIG_BUILD_PROTECTED</code> and <code>CONFIG_BUILD_KERNEL</code> are undefined or if <code>CONFIG_CUSTOM_STACK</code> is defined.
+  This API is <i>NOT</i> required if <code>CONFIG_BUILD_PROTECTED</code> and <code>CONFIG_BUILD_KERNEL</code> are undefined.
 </p>
 <p><b>Input Parameters:</b></p>
 <ul>
@@ -1937,9 +1921,6 @@ The system can be re-made subsequently by just typing <code>make</code>.
   A task has been stopped.
   Free all stack related resources retained int the defunct TCB.
 </p>
-<p>
-  This API is <i>NOT</i> required if <code>CONFIG_CUSTOM_STACK</code> is defined.
-</p>
 <p><b>Input Parameters:</b></p>
 <ul>
   <li>
diff --git a/Documentation/README.html b/Documentation/README.html
index b2a8775d086..50304cff2ef 100644
--- a/Documentation/README.html
+++ b/Documentation/README.html
@@ -164,8 +164,6 @@
  |   |   |   `- <a href="http://sourceforge.net/p/nuttx/git/ci/master/tree/nuttx/configs/pic32mx7mmb/README.txt"><b><i>README.txt</i></b></a>
  |   |   |- pirelli_dpl10/
  |   |   |   `- <a href="http://sourceforge.net/p/nuttx/git/ci/master/tree/nuttx/configs/pirelli_dpl10/README.txt"><b><i>README.txt</i></b></a>
- |   |   |- pjrc-8051/
- |   |   |   `- <a href="http://sourceforge.net/p/nuttx/git/ci/master/tree/nuttx/configs/pjrc-8051/README.txt"><b><i>README.txt</i></b></a>
  |   |   |- qemu-i486/
  |   |   |   `- <a href="http://sourceforge.net/p/nuttx/git/ci/master/tree/nuttx/configs/qemu-i486/README.txt"><b><i>README.txt</i></b></a>
  |   |   |- rgmp/