Misc m9s12x updates

git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@3278 42af7a65-404d-4744-a932-0658087f49c3

configs/demo9s12ne64/README.txt

@@ -4,6 +4,16 @@ README
   This README discusses issues unique to NuttX configurations for the
   Freescale DEMO9S12NE64 development board.
 
+CONTENTS
+^^^^^^^^
+  • MC9S12NE64 Features
+  • Development Environment
+  • NuttX Buildroot Toolchain
+  • FreeScale HCS12 Serial Monitor
+  • Soft Registers
+  • HCS12/DEMO9S12NEC64-specific Configuration Options
+  • Configurations
+
 MC9S12NE64 Features
 ^^^^^^^^^^^^^^^^^^^
 
@@ -97,7 +107,7 @@ Development Environment
   environment. The source has been built only using the GNU toolchain
   (see below).  Other toolchains will likely cause problems.
 
-NuttX buildroot Toolchain
+NuttX Buildroot Toolchain
 ^^^^^^^^^^^^^^^^^^^^^^^^^
 
   A GNU GCC-based toolchain is assumed.  The files */setenv.sh should
@@ -122,12 +132,17 @@ NuttX buildroot Toolchain
 
   4. cd <some-dir>/buildroot
 
-  5. cp configs/m68hc12-defconfig-3.4.6 .config
+  5. cp configs/m9s12x-defconfig-3.3.6 .config
 
   6. make oldconfig
 
   7. make
 
+     If the make fails because it can't find the file to download, you may
+     have to locate the file on the internet and download it into the archives/
+     directory manually.  For example, binutils-2.18 can be found here:
+     http://ftp.gnu.org/gnu/binutils/
+
   8. Edit setenv.h, if necessary, so that the PATH variable includes
      the path to the newly built binaries.
 
@@ -239,7 +254,7 @@ Soft Registers
      files from the Make.defs file so that they no longer cause a problem.
 
 HCS12/DEMO9S12NEC64-specific Configuration Options
-^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
+^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
 
 	CONFIG_ARCH - Identifies the arch/ subdirectory.  This should
 	   be set to:

configs/demo9s12ne64/ostest/Make.defs

@@ -38,15 +38,15 @@ include ${TOPDIR}/.config
 # Setup for the selected toolchain
 # NuttX buildroot under Linux or Cygwin
 
-CROSSDEV = m68hc12-elf-
+CROSSDEV = m9s12x-elf-
 MAXOPTIMIZATION = -Os
 WINTOOL = n
 
 ifeq ($(CONFIG_HCS12_NONBANKED),y)
-  ARCHCPUFLAGS = -m68hcs12 -mshort -mnolong-calls
+  ARCHCPUFLAGS = -m9s12x -mshort -mnolong-calls
   LDSCRIPT = ld.script.nonbanked
 else
-  ARCHCPUFLAGS = -m68hcs12 -mshort -mlong-calls
+  ARCHCPUFLAGS = -m9x12x -mshort -mlong-calls
   LDSCRIPT = ld.script.banked
 endif
 

configs/demo9s12ne64/ostest/ld.script.banked

@@ -84,7 +84,6 @@ MEMORY
   vectors (rx)  : ORIGIN = 0xff80,   LENGTH = 256
 }
 
-OUTPUT_ARCH(m68hc12)
 ENTRY(_stext)
 SECTIONS
 {

configs/demo9s12ne64/ostest/ld.script.nonbanked

@@ -57,7 +57,6 @@ MEMORY
   vectors (rx)  : ORIGIN = 0xff80, LENGTH = 256
 }
 
-OUTPUT_ARCH(m68hc12)
 ENTRY(_stext)
 SECTIONS
 {

configs/demo9s12ne64/ostest/setenv.sh

@@ -40,7 +40,7 @@ fi
 if [ -z "${PATH_ORIG}" ]; then export PATH_ORIG="${PATH}"; fi
 
 WD=`pwd`
-export BUILDROOT_BIN="${WD}/../buildroot/build_m68hc12/staging_dir/bin"
+export BUILDROOT_BIN="${WD}/../buildroot/build_m9s12x/staging_dir/bin"
 export PATH="${BUILDROOT_BIN}:${RIDE_BIN}:/sbin:/usr/sbin:${PATH_ORIG}"
 
 echo "PATH : ${PATH}"