lm3s6918 passes OS test

git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@1801 42af7a65-404d-4744-a932-0658087f49c3

ChangeLog

@@ -712,8 +712,11 @@
 	  -R .note.gnu.build-id -R .comment"  This has bin fixed in arch/arm/src/Makefile,
 	  but other architectures may have the same problem.  Thanks to Dave Marples
 	  for verifying this.
-	* Began adding support for the MicroMint Eagle100 board.  This board has a
-	  Luminary LM3S6918 Cortex-M3.
+	* Added support for the MicroMint Eagle100 board.  This board has a
+	  Luminary LM3S6918 Cortex-M3. Added a configuration to build examples/ostest.
 	* Add configuration option to enable fast GPIO (vs. legacy, "slow" GPIO) for
 	  LPC214x.
+	* Restructured the arch/arm directory structure to better suppor ARM and
+	  Cortex-M3.
+	* pthread_create() must return a (non-negated) errno value on failure.
 

Documentation/NuttX.html

@@ -1421,10 +1421,13 @@ nuttx-0.4.6 2009-xx-xx Gregory Nutt <spudmonkey@racsa.co.cr>
 	  -R .note.gnu.build-id -R .comment"  This has bin fixed in arch/arm/src/Makefile,
 	  but other architectures may have the same problem.  Thanks to Dave Marples
 	  for verifying this.
-	* Began adding support for the MicroMint Eagle100 board.  This board has a
-	  Luminary LM3S6918 Cortex-M3.
+	* Added support for the MicroMint Eagle100 board.  This board has a
+	  Luminary LM3S6918 Cortex-M3. Added a configuration to build examples/ostest.
 	* Add configuration option to enable fast GPIO (vs. legacy, "slow" GPIO) for
 	  LPC214x.
+	* Restructured the arch/arm directory structure to better suppor ARM and
+	  Cortex-M3.
+	* pthread_create() must return a (non-negated) errno value on failure.
 
 pascal-0.1.3 2009-xx-xx Gregory Nutt <spudmonkey@racsa.co.cr>
 

TODO

@@ -24,6 +24,7 @@ NuttX TODO List (Last updated April 12, 2009)
   (2)  ARM/i.MX (arch/arm/src/imx/)
   (3)  ARM/LPC214x (arch/arm/src/lpc214x/)
   (4)  ARM/STR71x (arch/arm/src/str71x/)
+  (2)  ARM/LM3S6918 (arch/arm/src/lm3s/)
   (4)  pjrc-8052 / MCS51 (arch/pjrc-8051/)
   (2)  Hitachi/Renesas SH-1 (arch/sh/src/sh1)
   (4)  Renesas M16C/26 (arch/sh/src/m16c)
@@ -543,6 +544,17 @@ o ARM/STR71x (arch/arm/src/str71x/)
   Status:      Open
   Priority:    Medium -- Will be very high if you do SPI access from multiple threads.
 
+o ARM/LM3S6918 (arch/arm/src/lm3s/)
+  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
+
+  Description: Eagle-100 LEDs do not work.  This has to be a simple problem to fix.
+  Status:      Open
+  Priority:    Low
+
+  Description: Still need to implement I2C, SSI, MMC/SD, and Ethernet
+  Status:      Open
+  Priority:    High
+
 o pjrc-8052 / MCS51 (arch/pjrc-8051/)
   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
 

arch/arm/src/common/up_exit.c

 /****************************************************************************
  * common/up_exit.c
  *
- *   Copyright (C) 2007, 2008 Gregory Nutt. All rights reserved.
+ *   Copyright (C) 2007-2009 Gregory Nutt. All rights reserved.
  *   Author: Gregory Nutt <spudmonkey@racsa.co.cr>
  *
  * Redistribution and use in source and binary forms, with or without
@@ -42,6 +42,7 @@
 #include <sched.h>
 #include <debug.h>
 #include <nuttx/arch.h>
+
 #include "os_internal.h"
 #include "up_internal.h"
 

configs/eagle100/ostest/defconfig

@@ -64,9 +64,10 @@
 # CONFIG_ARCH_CALIBRATION - Enables some build in instrumentation that
 #   cause a 100 second delay during boot-up.  This 100 second delay
 #   serves no purpose other than it allows you to calibratre
-#   CONFIG_ARCH_LOOPSPERMSEC.  You simply use a stop watch to measure
+# CONFIG_ARCH_LOOPSPERMSEC.  You simply use a stop watch to measure
 #   the 100 second delay then adjust CONFIG_ARCH_LOOPSPERMSEC until
 #   the delay actually is 100 seconds.
+#
 CONFIG_ARCH=arm
 CONFIG_ARCH_ARM=y
 CONFIG_ARCH_CORTEXM3=y
@@ -296,19 +297,38 @@ CONFIG_ARCH_KFREE=n
 #   timer structures to minimize dynamic allocations.  Set to
 #   zero for all dynamic allocations.
 #
-CONFIG_MAX_TASKS=64
+CONFIG_MAX_TASKS=16
 CONFIG_MAX_TASK_ARGS=4
 CONFIG_NPTHREAD_KEYS=4
-CONFIG_NFILE_DESCRIPTORS=32
-CONFIG_NFILE_STREAMS=16
+CONFIG_NFILE_DESCRIPTORS=8
+CONFIG_NFILE_STREAMS=8
 CONFIG_NAME_MAX=32
-CONFIG_STDIO_BUFFER_SIZE=1024
+CONFIG_STDIO_BUFFER_SIZE=256
 CONFIG_NUNGET_CHARS=2
-CONFIG_PREALLOC_MQ_MSGS=32
+CONFIG_PREALLOC_MQ_MSGS=4
 CONFIG_MQ_MAXMSGSIZE=32
-CONFIG_MAX_WDOGPARMS=4
-CONFIG_PREALLOC_WDOGS=32
-CONFIG_PREALLOC_TIMERS=8
+CONFIG_MAX_WDOGPARMS=2
+CONFIG_PREALLOC_WDOGS=4
+CONFIG_PREALLOC_TIMERS=4
+
+#
+# Filesystem configuration
+#
+# CONFIG_FS_FAT - Enable FAT filesystem support
+# CONFIG_FAT_SECTORSIZE - Max supported sector size
+# CONFIG_FS_ROMFS - Enable ROMFS filesystem support
+CONFIG_FS_FAT=n
+CONFIG_FS_ROMFS=n
+
+#
+# SPI-based MMC/SD driver
+#
+# CONFIG_MMCSD_NSLOTS
+#   Number of MMC/SD slots supported by the driver
+# CONFIG_MMCSD_READONLY
+#   Provide read-only access (default is read/write)
+CONFIG_MMCSD_NSLOTS=1
+CONFIG_MMCSD_READONLY=n
 
 #
 # TCP/IP and UDP support via uIP
@@ -336,6 +356,7 @@ CONFIG_PREALLOC_TIMERS=8
 # CONFIG_NET_BROADCAST - Broadcast support
 # CONFIG_NET_LLH_LEN - The link level header length
 # CONFIG_NET_FWCACHE_SIZE - number of packets to remember when looking for duplicates
+#
 CONFIG_NET=n
 CONFIG_NET_IPv6=n
 CONFIG_NSOCKET_DESCRIPTORS=0
@@ -361,11 +382,13 @@ CONFIG_NET_BROADCAST=n
 # UIP Network Utilities
 # CONFIG_NET_DHCP_LIGHT - Reduces size of DHCP
 # CONFIG_NET_RESOLV_ENTRIES - Number of resolver entries
+#
 CONFIG_NET_DHCP_LIGHT=n
 CONFIG_NET_RESOLV_ENTRIES=4
 
 #
 # Settings for examples/uip
+#
 CONFIG_EXAMPLE_UIP_IPADDR=(10<<24|0<<16|0<<8|2)
 CONFIG_EXAMPLE_UIP_DRIPADDR=(10<<24|0<<16|0<<8|1)
 CONFIG_EXAMPLE_UIP_NETMASK=(255<<24|255<<16|255<<8|0)
@@ -381,37 +404,76 @@ CONFIG_EXAMPLE_NETTEST_DRIPADDR=(10<<24|0<<16|0<<8|1)
 CONFIG_EXAMPLE_NETTEST_NETMASK=(255<<24|255<<16|255<<8|0)
 CONFIG_EXAMPLE_NETTEST_CLIENTIP=(10<<24|0<<16|0<<8|1)
 
+#
+# Settings for examples/ostest
+#
+CONFIG_EXAMPLES_OSTEST_LOOPS=1
+CONFIG_EXAMPLES_OSTEST_STACKSIZE=2048
+CONFIG_EXAMPLES_OSTEST_NBARRIER_THREADS=3
+
 #
 # Settings for examples/nsh
+#
+# CONFIG_EXAMPLES_NSH_FILEIOSIZE - Size of a static I/O buffer
+# CONFIG_EXAMPLES_NSH_STRERROR - Use strerror(errno)
+# CONFIG_EXAMPLES_NSH_LINELEN - Maximum length of one command line
+# CONFIG_EXAMPLES_NSH_STACKSIZE - Stack size to use for new threads.
+# CONFIG_EXAMPLES_NSH_NESTDEPTH - Max number of nested if-then[-else]-fi
+# CONFIG_EXAMPLES_NSH_DISABLESCRIPT - Disable scripting support
+# CONFIG_EXAMPLES_NSH_DISABLEBG - Disable background commands
+# CONFIG_EXAMPLES_NSH_ROMFSETC - Use startup script in /etc
+# CONFIG_EXAMPLES_NSH_CONSOLE - Use serial console front end
+# CONFIG_EXAMPLES_NSH_TELNET - Use telnetd console front end
+#
+# If CONFIG_EXAMPLES_NSH_TELNET is selected:
+# CONFIG_EXAMPLES_NSH_IOBUFFER_SIZE -- Telnetd I/O buffer size
+# CONFIG_EXAMPLES_NSH_DHCPC - Obtain address using DHCP
+# CONFIG_EXAMPLES_NSH_IPADDR - Provides static IP address
+# CONFIG_EXAMPLES_NSH_DRIPADDR - Provides static router IP address
+# CONFIG_EXAMPLES_NSH_NETMASK - Provides static network mask
+# CONFIG_EXAMPLES_NSH_NOMAC - Use a bogus MAC address
+#
+# If CONFIG_EXAMPLES_NSH_ROMFSETC is selected:
+# CONFIG_EXAMPLES_NSH_ROMFSMOUNTPT - ROMFS mountpoint
+# CONFIG_EXAMPLES_NSH_INITSCRIPT - Relative path to init script
+# CONFIG_EXAMPLES_NSH_ROMFSDEVNO - ROMFS RAM device minor
+# CONFIG_EXAMPLES_NSH_ROMFSSECTSIZE - ROMF sector size
+# CONFIG_EXAMPLES_NSH_FATDEVNO - FAT FS RAM device minor
+# CONFIG_EXAMPLES_NSH_FATSECTSIZE - FAT FS sector size
+# CONFIG_EXAMPLES_NSH_FATNSECTORS - FAT FS number of sectors
+# CONFIG_EXAMPLES_NSH_FATMOUNTPT - FAT FS mountpoint
+#
+CONFIG_EXAMPLES_NSH_FILEIOSIZE=512
+CONFIG_EXAMPLES_NSH_STRERROR=n
+CONFIG_EXAMPLES_NSH_LINELEN=64
+CONFIG_EXAMPLES_NSH_STACKSIZE=2048
+CONFIG_EXAMPLES_NSH_NESTDEPTH=3
+CONFIG_EXAMPLES_NSH_DISABLESCRIPT=n
+CONFIG_EXAMPLES_NSH_DISABLEBG=n
+CONFIG_EXAMPLES_NSH_ROMFSETC=n
 CONFIG_EXAMPLES_NSH_CONSOLE=y
 CONFIG_EXAMPLES_NSH_TELNET=n
 CONFIG_EXAMPLES_NSH_IOBUFFER_SIZE=512
-CONFIG_EXAMPLES_NSH_CMD_SIZE=40
-CONFIG_EXAMPLES_NSH_STACKSIZE=4096
 CONFIG_EXAMPLES_NSH_DHCPC=n
 CONFIG_EXAMPLES_NSH_NOMAC=n
 CONFIG_EXAMPLES_NSH_IPADDR=(10<<24|0<<16|0<<8|2)
 CONFIG_EXAMPLES_NSH_DRIPADDR=(10<<24|0<<16|0<<8|1)
 CONFIG_EXAMPLES_NSH_NETMASK=(255<<24|255<<16|255<<8|0)
-
-#
-# DM90x0 Driver Settings
-CONFIG_NET_DM90x0=n
-CONFIG_DM9X_NINTERFACES=1
-CONFIG_DM9X_STATS=n
-CONFIG_DM9X_BASE=0xd0000300
-CONFIG_DM9X_IRQ=27
-CONFIG_DM9X_BUSWIDTH8=n
-CONFIG_DM9X_BUSWIDTH16=y
-CONFIG_DM9X_BUSWIDTH32=n
-CONFIG_DM9X_CHECKSUM=n
-CONFIG_DM9X_ETRANS=n
+CONFIG_EXAMPLES_NSH_ROMFSMOUNTPT="/etc"
+CONFIG_EXAMPLES_NSH_INITSCRIPT="init.d/rcS"
+CONFIG_EXAMPLES_NSH_ROMFSDEVNO=0
+CONFIG_EXAMPLES_NSH_ROMFSSECTSIZE=64
+CONFIG_EXAMPLES_NSH_FATDEVNO=1
+CONFIG_EXAMPLES_NSH_FATSECTSIZE=512
+CONFIG_EXAMPLES_NSH_FATNSECTORS=1024
+CONFIG_EXAMPLES_NSH_FATMOUNTPT=/tmp
 
 #
 # Stack and heap information
 #
 # CONFIG_BOOT_RUNFROMFLASH - Some configurations support XIP
 #   operation from FLASH but must copy initialized .data sections to RAM.
+#   (should also be =n for the Eagle100 which always runs from flash)
 # CONFIG_BOOT_COPYTORAM -  Some configurations boot in FLASH
 #   but copy themselves entirely into RAM for better performance.
 # CONFIG_CUSTOM_STACK - The up_ implementation will handle
@@ -434,7 +496,7 @@ CONFIG_BOOT_COPYTORAM=n
 CONFIG_CUSTOM_STACK=n
 CONFIG_STACK_POINTER=
 CONFIG_IDLETHREAD_STACKSIZE=1024
-CONFIG_USERMAIN_STACKSIZE=4096
+CONFIG_USERMAIN_STACKSIZE=2048
 CONFIG_PTHREAD_STACK_MIN=256
 CONFIG_PTHREAD_STACK_DEFAULT=2048
 CONFIG_HEAP_BASE=