From mboxrd@z Thu Jan 1 00:00:00 1970 From: Sonic Zhang Date: Fri, 22 Mar 2013 16:53:35 +0800 Subject: [Buildroot] [PATCH v2 2/2] buildroot: target: Add Blackfin architecture support. In-Reply-To: <1363942415-31379-1-git-send-email-sonic.adi@gmail.com> References: <1363942415-31379-1-git-send-email-sonic.adi@gmail.com> Message-ID: <1363942415-31379-2-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 v2-changes: - Create arch makefile. v1-changes: - Create blackfin makefile. - Add blackfin target ABI options. - Add blackfin cpu options and shared library installation options. - Add blackfin cpu revision options and mcpu link flags - Add blackfin FLAT specific makefile flags. - Add shared library installation options and makefile targets to install shared libraries into rootfs image. - Copy extra blackfin toolchain FDPIC shared libraries to target fs Signed-off-by: Sonic Zhang --- Makefile | 2 + arch/Config.in.bfin | 117 +++++++++++++++++++++++++++++++++++++++++++++++++ arch/Makefile.in | 5 ++ arch/Makefile.in.bfin | 50 +++++++++++++++++++++ 4 files changed, 174 insertions(+), 0 deletions(-) create mode 100644 arch/Makefile.in create mode 100644 arch/Makefile.in.bfin diff --git a/Makefile b/Makefile index 7f0822f..c2f43a4 100644 --- a/Makefile +++ b/Makefile @@ -329,6 +329,8 @@ ifneq ($(PACKAGE_OVERRIDE_FILE),) -include $(PACKAGE_OVERRIDE_FILE) endif +include arch/Makefile.in + include package/*/*.mk include boot/common.mk diff --git a/arch/Config.in.bfin b/arch/Config.in.bfin index 0b137ae..0750b86 100644 --- a/arch/Config.in.bfin +++ b/arch/Config.in.bfin @@ -7,10 +7,127 @@ config BR2_BFIN_FDPIC config BR2_BFIN_FLAT bool "FLAT" select BR2_PREFER_STATIC_LIB +config BR2_BFIN_FLAT_SEP_DATA + bool "FLAT (Separate data)" + select BR2_PREFER_STATIC_LIB +config BR2_BFIN_SHARED_FLAT + bool "Shared FLAT" + select BR2_PREFER_STATIC_LIB +endchoice + +choice + prompt "Target CPU" + depends on BR2_bfin + default BR2_bf609 + help + Specify target CPU +config BR2_bf606 + bool "bf606" +config BR2_bf607 + bool "bf607" +config BR2_bf608 + bool "bf608" +config BR2_bf609 + bool "bf609" +config BR2_bf512 + bool "bf512" +config BR2_bf514 + bool "bf514" +config BR2_bf516 + bool "bf516" +config BR2_bf518 + bool "bf518" +config BR2_bf522 + bool "bf522" +config BR2_bf523 + bool "bf523" +config BR2_bf524 + bool "bf524" +config BR2_bf525 + bool "bf525" +config BR2_bf526 + bool "bf526" +config BR2_bf527 + bool "bf527" +config BR2_bf531 + bool "bf531" +config BR2_bf532 + bool "bf532" +config BR2_bf533 + bool "bf533" +config BR2_bf534 + bool "bf534" +config BR2_bf536 + bool "bf536" +config BR2_bf537 + bool "bf537" +config BR2_bf538 + bool "bf538" +config BR2_bf539 + bool "bf539" +config BR2_bf542 + bool "bf542" +config BR2_bf544 + bool "bf544" +config BR2_bf547 + bool "bf547" +config BR2_bf548 + bool "bf548" +config BR2_bf549 + bool "bf549" +config BR2_bf561 + bool "bf561" endchoice +config BR2_TARGET_CPU_REVISION + string "Target CPU revision" + +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 + bool "Install FLAT shared libraries" if !BR2_BFIN_SHARED_FLAT + default y + config BR2_ARCH default "bfin" config BR2_ENDIAN default "LITTLE" + +config BR2_GCC_TARGET_CPU + default bf606 if BR2_bf606 + default bf607 if BR2_bf607 + default bf608 if BR2_bf608 + default bf609 if BR2_bf609 + default bf512 if BR2_bf512 + default bf514 if BR2_bf514 + default bf516 if BR2_bf516 + default bf518 if BR2_bf518 + default bf522 if BR2_bf522 + default bf523 if BR2_bf523 + default bf524 if BR2_bf524 + default bf525 if BR2_bf525 + default bf526 if BR2_bf526 + default bf527 if BR2_bf527 + default bf531 if BR2_bf531 + default bf532 if BR2_bf532 + default bf533 if BR2_bf533 + default bf534 if BR2_bf534 + default bf536 if BR2_bf536 + default bf537 if BR2_bf537 + default bf538 if BR2_bf538 + default bf539 if BR2_bf539 + default bf542 if BR2_bf542 + default bf544 if BR2_bf544 + default bf547 if BR2_bf547 + default bf548 if BR2_bf548 + default bf549 if BR2_bf549 + default bf561 if BR2_bf561 + +config BR2_TARGET_ABI_FLAT + default n if BR2_BFIN_FDPIC + default y diff --git a/arch/Makefile.in b/arch/Makefile.in new file mode 100644 index 0000000..d791118 --- /dev/null +++ b/arch/Makefile.in @@ -0,0 +1,5 @@ +# The architecture specific Makefile.in.$ARCH should be included only +# when the arch macro is selected. +ifeq ($(BR2_bfin),y) +include arch/Makefile.in.bfin +endif diff --git a/arch/Makefile.in.bfin b/arch/Makefile.in.bfin new file mode 100644 index 0000000..cef9374 --- /dev/null +++ b/arch/Makefile.in.bfin @@ -0,0 +1,50 @@ +TARGETS-y = +TARGETS-$(BR2_BFIN_INSTALL_ELF_SHARED) += romfs.shared.libs.elf +TARGETS-$(BR2_BFIN_INSTALL_FLAT_SHARED) += romfs.shared.libs.flat +TARGETS += $(TARGETS-y) + +ifeq ($(BR2_BFIN_FDPIC),y) +USR_LIB_EXTERNAL_LIBS+=libgfortran.so libgomp.so libmudflap.so libmudflapth.so libobjc.so +endif + +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 $(TARGET_DIR)/lib/lib1.so; \ + fi + +ifeq ($(BR2_TARGET_CPU_REVISION),) +TARGET_CPU=-mcpu=$(BR2_GCC_TARGET_CPU) +else +TARGET_CPU=-mcpu=$(BR2_GCC_TARGET_CPU)-$(BR2_TARGET_CPU_REVISION) +endif +TARGET_CFLAGS += $(call qstrip,$(TARGET_CPU)) + +ifneq ($(BR2_USE_MMU), y) +TARGET_CFLAGS += -D__uClinux__ +endif + +ifeq ($(BR2_BFIN_FLAT_SEP_DATA),y) +TARGET_LDFLAGS += -msep-data +TARGET_CFLAGS += -msep-data +TARGET_CXXFLAGS += -msep-data +endif + +ifeq ($(BR2_BFIN_SHARED_FLAT), y) +TARGET_LDFLAGS += -mid-shared-library -mshared-library-id=0 +TARGET_CFLAGS += -mid-shared-library -mshared-library-id=0 +TARGET_CXXFLAGS += -mid-shared-library -mshared-library-id=0 +endif -- 1.7.0.4