Add Blackfin

git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@1676 42af7a65-404d-4744-a932-0658087f49c3

5 files changed, 99 insertions, 4 deletions

diff --git a/misc/buildroot/ChangeLog b/misc/buildroot/ChangeLog
index 6862a75fe..6fb4486cd 100644
--- a/misc/buildroot/ChangeLog
+++ b/misc/buildroot/ChangeLog
@@ -20,3 +20,5 @@ buildroot-0.1.3 2008-02-28 <spudmonkey@racsa.co.cr>
 
 buildroot-0.1.4 2008-xx-xx <spudmonkey@racsa.co.cr>
 
+	* Add support for a blackfin toolchain using GCC 4.2.4 and binutils 2.19
+
diff --git a/misc/buildroot/Config.in b/misc/buildroot/Config.in
index 2f7f55da3..f9cb2e6fe 100644
--- a/misc/buildroot/Config.in
+++ b/misc/buildroot/Config.in
@@ -20,6 +20,8 @@ config BR2_armeb
 	bool "armeb"
 config BR2_avr32
 	bool "avr32"
+config BR2_bfin
+	bool "blackfin"
 config BR2_cris
 	bool "cris"
 config BR2_i386
@@ -181,6 +183,7 @@ config BR2_ARCH
 	default "arm"		if BR2_arm
 	default "armeb"		if BR2_armeb
 	default "avr32"		if BR2_avr32
+	default "bfin"		if BR2_bfin
 	default "cris"		if BR2_cris
 	default "i386"		if BR2_x86_i386
 	default "i486"		if BR2_x86_i486
@@ -208,9 +211,9 @@ config BR2_ARCH
 
 config BR2_ENDIAN
 	string
-	default "LITTLE" if BR2_arm || BR2_cris || BR2_i386 || BR2_m32c || BR2_mipsel || \
-	                    BR2_sh3 || BR2_sh4 || BR2_x86_64 || BR2_nios2 || \
-			    BR2_sh64 || BR2_h8300
+	default "LITTLE" if BR2_arm || BR2_bfin || BR2_cris || BR2_i386 || BR2_m32c || \
+	                    BR2_mipsel || BR2_sh3 || BR2_sh4 || BR2_x86_64 || \
+			    BR2_nios2 || BR2_sh64 || BR2_h8300
 	default "BIG"    if BR2_alpha || BR2_armeb || BR2_avr32 || BR2_m68k || \
 			    BR2_m68hc11 || BR2_m68hc12 || BR2_mips || \
 	                    BR2_powerpc || BR2_sh1 || BR2_sh2a_nofpueb || BR2_sh2eb || \
diff --git a/misc/buildroot/configs/README.txt b/misc/buildroot/configs/README.txt
index 43ac6ce74..c46d47ede 100644
--- a/misc/buildroot/configs/README.txt
+++ b/misc/buildroot/configs/README.txt
@@ -10,6 +10,9 @@ arm-defconfig-4.2.4
 	programes (arm-elf-objcopy in particular) that cause Floating
 	point exceptions when trying to build NuttX
 
+bfin-defconfig-4.2.4
+	Builds an Blackfin toolchain using gcc 4.2.4
+
 h8300_config
 	Builds an H8/300 toolchain using gcc 3.4.5
 
diff --git a/misc/buildroot/configs/bfin-defconfig-4.2.4 b/misc/buildroot/configs/bfin-defconfig-4.2.4
new file mode 100644
index 000000000..79d32dfb2
--- /dev/null
+++ b/misc/buildroot/configs/bfin-defconfig-4.2.4
@@ -0,0 +1,87 @@
+#
+# Automatically generated make config: don't edit
+#
+BR2_HAVE_DOT_CONFIG=y
+# BR2_alpha is not set
+# BR2_arm is not set
+# BR2_armeb is not set
+# BR2_avr32 is not set
+BR2_bfin=y
+# BR2_cris is not set
+# BR2_i386 is not set
+# BR2_m32c is not set
+# BR2_m68k is not set
+# BR2_m68hc11 is not set
+# BR2_m68hc12 is not set
+# BR2_mips is not set
+# BR2_mipsel is not set
+# BR2_nios2 is not set
+# BR2_powerpc is not set
+# BR2_sh is not set
+# BR2_sh64 is not set
+# BR2_h8300 is not set
+# BR2_sparc is not set
+# BR2_x86_64 is not set
+BR2_ARCH="bfin"
+BR2_ENDIAN="LITTLE"
+
+#
+# Build options
+#
+BR2_WGET="wget --passive-ftp"
+BR2_SVN="svn co"
+BR2_ZCAT="zcat"
+BR2_BZCAT="bzcat"
+BR2_TAR_OPTIONS=""
+BR2_DL_DIR="$(BASE_DIR)/../archives"
+BR2_SOURCEFORGE_MIRROR="easynews"
+BR2_STAGING_DIR="$(BUILD_DIR)/staging_dir"
+BR2_NUTTX_DIR="$(TOPDIR)/../../nuttx"
+BR2_TOPDIR_PREFIX=""
+BR2_TOPDIR_SUFFIX=""
+BR2_GNU_BUILD_SUFFIX="arm-elf"
+BR2_GNU_TARGET_SUFFIX="elf"
+# BR2_PREFER_IMA is not set
+# BR2_DEPRECATED is not set
+
+#
+# Toolchain Options
+#
+
+#
+# Binutils Options
+#
+# BR2_BINUTILS_VERSION_2_17 is not set
+BR2_BINUTILS_VERSION_2_19=y
+BR2_BINUTILS_VERSION="2.19"
+BR2_EXTRA_BINUTILS_CONFIG_OPTIONS=""
+
+#
+# GCC Options
+#
+# BR2_GCC_VERSION_3_4_6 is not set
+BR2_GCC_VERSION_4_2_4=y
+BR2_GCC_SUPPORTS_SYSROOT=y
+BR2_GCC_VERSION="4.2.4"
+# BR2_GCC_USE_SJLJ_EXCEPTIONS is not set
+BR2_EXTRA_GCC_CONFIG_OPTIONS=""
+# BR2_INSTALL_LIBSTDCPP is not set
+# BR2_INSTALL_OBJC is not set
+# BR2_INSTALL_FORTRAN is not set
+
+#
+# Gdb Options
+#
+# BR2_PACKAGE_GDB is not set
+# BR2_PACKAGE_GDB_SERVER is not set
+# BR2_PACKAGE_GDB_HOST is not set
+
+#
+# Common Toolchain Options
+#
+# BR2_PACKAGE_SSTRIP_TARGET is not set
+# BR2_PACKAGE_SSTRIP_HOST is not set
+# BR2_ENABLE_MULTILIB is not set
+BR2_LARGEFILE=y
+BR2_SOFT_FLOAT=y
+BR2_TARGET_OPTIMIZATION="-Os -pipe"
diff --git a/misc/buildroot/toolchain/Config.in b/misc/buildroot/toolchain/Config.in
index 1675c32d4..34e8e86e7 100644
--- a/misc/buildroot/toolchain/Config.in
+++ b/misc/buildroot/toolchain/Config.in
@@ -26,7 +26,7 @@ config BR2_LARGEFILE
 config BR2_SOFT_FLOAT
 	bool "Use software floating point by default"
 	default n
-	depends on BR2_arm || BR2_armeb || BR2_mips || BR2_mipsel || BR2_powerpc
+	depends on BR2_arm || BR2_armeb || BR2_bfin || BR2_mips || BR2_mipsel || BR2_powerpc
 	help
 	  If your target CPU does not have a Floating Point Unit (FPU) or a
 	  kernel FPU emulator, but you still wish to support floating point