From mboxrd@z Thu Jan 1 00:00:00 1970 From: Sonic Zhang Date: Tue, 21 Aug 2012 12:45:48 +0800 Subject: [Buildroot] [PATCH 1/2 v2] buildroot: target: Add Blackfin architecture support. Message-ID: <1345524349-709-1-git-send-email-sonic.adi@gmail.com> List-Id: MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: buildroot@busybox.net From: Sonic Zhang 1) Add blackfin cpu type option and install shared library of different ABI option to target/Config.in. 2) Add makefile targets to install shared library of different ABI into rootfs image. Signed-off-by: Sonic Zhang --- target/Config.in.arch | 47 +++++++++++++++++++++++++++++++++++++++++++++++ target/Makefile.in | 24 ++++++++++++++++++++++++ 2 files changed, 71 insertions(+), 0 deletions(-) diff --git a/target/Config.in.arch b/target/Config.in.arch index 342066e..54c7fa0 100644 --- a/target/Config.in.arch +++ b/target/Config.in.arch @@ -131,6 +131,15 @@ config BR2_xtensa http://www.tensilica.com/ endchoice +config BR2_ABI_FLAT + bool + default n + +config BR2_ABI_ELF + bool + default y + depends on !BR2_ABI_FLAT + config BR2_microblaze bool default y if BR2_microblazeel || BR2_microblazebe @@ -230,13 +239,45 @@ choice default BR2_BFIN_FDPIC config BR2_BFIN_FDPIC bool "FDPIC" + select BR2_ABI_ELF config BR2_BFIN_FLAT bool "FLAT" + select BR2_ABI_FLAT + select BR2_PREFER_STATIC_LIB +config BR2_BFIN_FLAT_SEP_DATA + bool "FLAT (Separate data)" + select BR2_ABI_FLAT + select BR2_PREFER_STATIC_LIB +config BR2_BFIN_SHARED_FLAT + bool "Shared FLAT" + select BR2_ABI_FLAT select BR2_PREFER_STATIC_LIB endchoice choice prompt "Target Architecture Variant" + depends on BR2_bfin + default BR2_bf609 + help + Specific CPU variant to use +config BR2_bf609 + bool "bf609" +config BR2_bf537 + bool "bf537" +endchoice + +config BR2_BFIN_INSTALL_ELF_SHARED + depends on BR2_bfin && !BR2_BFIN_FDPIC + bool "Install ELF shared libraries" + default y + +config BR2_BFIN_INSTALL_FLAT_SHARED + depends on BR2_bfin && !BR2_BFIN_SHARED_FLAT + bool "Install FLAT shared libraries" + default y + +choice + prompt "Target Architecture Variant" depends on BR2_mips || BR2_mipsel default BR2_mips_3 if BR2_mips default BR2_mips_1 if BR2_mipsel @@ -876,3 +917,9 @@ config BR2_GCC_TARGET_CPU default sparchfleonv8 if BR2_sparc_sparchfleonv8 default sparcsfleon if BR2_sparc_sparcsfleon default sparcsfleonv8 if BR2_sparc_sparcsfleonv8 + default bf609 if BR2_bf609 + default bf537 if BR2_bf537 + +config BR2_GCC_TARGET_CPU_REVISION + string "Target CPU revision" + diff --git a/target/Makefile.in b/target/Makefile.in index 915d625..5c285ed 100644 --- a/target/Makefile.in +++ b/target/Makefile.in @@ -1,3 +1,27 @@ # make sure to put everything that is board-specific before the tarroot targets +TARGETS-y = +TARGETS-$(BR2_BFIN_INSTALL_ELF_SHARED) += romfs.shared.libs.elf +TARGETS-$(BR2_BFIN_INSTALL_FLAT_SHARED) += romfs.shared.libs.flat +TARGETS += $(TARGETS-y) + +CROSS_COMPILE_SHARED_ELF ?= bfin-linux-uclibc- +romfs.shared.libs.elf: + set -e; \ + t=`$(CROSS_COMPILE_SHARED_ELF)gcc $(CPUFLAGS) -print-file-name=libc.a`; \ + t=`dirname $$t`/../..; \ + for i in $$t/lib/*so*; do \ + i=`readlink -f "$$i"`; \ + soname=`$(CROSS_COMPILE_SHARED_ELF)readelf -d "$$i" | sed -n '/(SONAME)/s:.*[[]\(.*\)[]].*:\1:p'`; \ + $(INSTALL) -D $$i $(TARGET_DIR)/lib/$$soname; \ + done + +CROSS_COMPILE_SHARED_FLAT ?= bfin-uclinux- +romfs.shared.libs.flat: + set -e; \ + t=`$(CROSS_COMPILE_SHARED_FLAT)gcc $(CPUFLAGS) -mid-shared-library -print-file-name=libc`; \ + if [ -f $$t -a ! -h $$t ] ; then \ + $(INSTALL) -D $$t $(TARGET_DIR)/lib/lib1.so; \ + fi + include target/generic/Makefile.in -- 1.7.0.4