zephyr/scripts/Makefile.toolchain.zephyr
Andy Gross bb063164aa dts: Add support for Device Tree
This patch adds support for using device tree configuration files for
configuring ARM platforms.

In this patch, only the FLASH_SIZE, SRAM_SIZE, NUM_IRQS, and
NUM_IRQ_PRIO_BITS were removed from the Kconfig options.  A minimal set
of options were removed so that it would be easier to work through the
plumbing of the build system.

It should be noted that the host system must provide access to the
device tree compiler (DTC).  The DTC can usually be installed on host
systems through distribution packages or by downloading and compiling
from https://git.kernel.org/pub/scm/utils/dtc/dtc.git

This patch also requires the Python yaml package.

This change implements parts of each of the following Jira:
ZEP-1304
ZEP-1305
ZEP-1306
ZEP-1307
ZEP-1589

Change-Id: If1403801e19d9d85031401b55308935dadf8c9d8
Signed-off-by: Andy Gross <andy.gross@linaro.org>
2017-02-10 18:13:58 +00:00

121 lines
4.4 KiB
Makefile

########################################################################
#
# Pass1: Determine CROSS_COMPILE only.
# We need CROSS_COMPILE in order to validate various KBUILD_CFLAGS
# GCC CROSS_COMILE is needed in order to validate compiler options
# via constructs such as:
# KBUILD_CFLAGS += $(call cc-option,-option,)
#
# Pass2: Determine LIB_INCLUDE_DIR and TOOLCHAIN_CFLAGS.
# Knowing KBUILD_CFLAGS, we can query GCC compiler for the location
# of the libraries corresponding to the KBUILD_CFLAGS.
#
#######################################################################
REQUIRED_SDK_VER=0.8.2
ifndef ZEPHYR_SDK_INSTALL_DIR
$(error ZEPHYR_SDK_INSTALL_DIR is not set)
else
SDK_VERSION = $(shell cat ${ZEPHYR_SDK_INSTALL_DIR}/sdk_version)
SDK_CHECK = $(shell ${ZEPHYR_BASE}/scripts/vercomp $(REQUIRED_SDK_VER) $(SDK_VERSION) || echo $$?)
ifeq ($(SDK_CHECK),1)
$(error (The SDK version you are using is old, please update your SDK. You need at least SDK version $(REQUIRED_SDK_VER)))
endif
endif
TOOLCHAIN_VENDOR := zephyr
TOOLCHAIN_ARCH := x86_64
# TODO remove once we retire 0.8.2 in favor of 0.9
# See also conditional below near iamcu (pass1)
ifeq ($(SDK_VERSION),0.8.2)
TOOLCHAIN_VENDOR := poky
TOOLCHAIN_ARCH := i686
endif
ifeq ($(HOST_OS),MINGW)
TOOLCHAIN_HOME = ${ZEPHYR_SDK_INSTALL_DIR}/sysroots/i686-pokysdk-mingw32
else
TOOLCHAIN_HOME = ${ZEPHYR_SDK_INSTALL_DIR}/sysroots/$(TOOLCHAIN_ARCH)-pokysdk-linux
endif
ifndef MAKEFILE_TOOLCHAIN_DO_PASS2
# arm (pass1)
CROSS_COMPILE_TARGET_arm = arm-$(TOOLCHAIN_VENDOR)-eabi
SYSROOT_TARGET_arm = armv5-$(TOOLCHAIN_VENDOR)-eabi
CROSS_COMPILE_arm=$(TOOLCHAIN_HOME)/usr/bin/$(CROSS_COMPILE_TARGET_arm)/$(CROSS_COMPILE_TARGET_arm)-
# arc (pass1)
CROSS_COMPILE_TARGET_arc = arc-$(TOOLCHAIN_VENDOR)-elf
SYSROOT_TARGET_arc = arc-$(TOOLCHAIN_VENDOR)-elf
CROSS_COMPILE_arc=$(TOOLCHAIN_HOME)/usr/bin/$(CROSS_COMPILE_TARGET_arc)/$(CROSS_COMPILE_TARGET_arc)-
# iamcu (pass1)
CROSS_COMPILE_TARGET_iamcu = i586-$(TOOLCHAIN_VENDOR)-elfiamcu
SYSROOT_TARGET_iamcu = iamcu-$(TOOLCHAIN_VENDOR)-elfiamcu
ifeq ($(SDK_VERSION),0.8.2)
CROSS_COMPILE_iamcu=$(TOOLCHAIN_HOME)/usr/bin/iamcu-poky-elfiamcu/$(CROSS_COMPILE_TARGET_iamcu)-
else
CROSS_COMPILE_iamcu=$(TOOLCHAIN_HOME)/usr/bin/$(CROSS_COMPILE_TARGET_iamcu)/$(CROSS_COMPILE_TARGET_iamcu)-
endif
# x86 (pass1)
CROSS_COMPILE_TARGET_x86 = i586-$(TOOLCHAIN_VENDOR)-elf
SYSROOT_TARGET_x86 = i586-$(TOOLCHAIN_VENDOR)-elf
CROSS_COMPILE_x86=$(TOOLCHAIN_HOME)/usr/bin/$(CROSS_COMPILE_TARGET_x86)/$(CROSS_COMPILE_TARGET_x86)-
# nios2 (pass1)
CROSS_COMPILE_TARGET_nios2 = nios2-$(TOOLCHAIN_VENDOR)-elf
SYSROOT_TARGET_nios2 = nios2-$(TOOLCHAIN_VENDOR)-elf
CROSS_COMPILE_nios2=$(TOOLCHAIN_HOME)/usr/bin/$(CROSS_COMPILE_TARGET_nios2)/$(CROSS_COMPILE_TARGET_nios2)-
# xtensa (pass1)
CROSS_COMPILE_TARGET_xtensa = xtensa-$(TOOLCHAIN_VENDOR)-elf
SYSROOT_TARGET_xtensa = xtensa-$(TOOLCHAIN_VENDOR)-elf
CROSS_COMPILE_xtensa=$(TOOLCHAIN_HOME)/usr/bin/$(CROSS_COMPILE_TARGET_xtensa)/$(CROSS_COMPILE_TARGET_xtensa)-
# riscv32 (pass1)
CROSS_COMPILE_TARGET_riscv32 = riscv32-$(TOOLCHAIN_VENDOR)-elf
SYSROOT_TARGET_riscv32 = riscv32-$(TOOLCHAIN_VENDOR)-elf
CROSS_COMPILE_riscv32=$(TOOLCHAIN_HOME)/usr/bin/$(CROSS_COMPILE_TARGET_riscv32)/$(CROSS_COMPILE_TARGET_riscv32)-
else
# Test CONFIG_TOOLCHAIN_VARIANT value with surrounding quotes removed (if any)
ifneq ($(CONFIG_TOOLCHAIN_VARIANT:"%"=%),)
SYSROOT := ${ZEPHYR_SDK_INSTALL_DIR}/sysroots/${SYSROOT_TARGET_$(subst $\",,${CONFIG_TOOLCHAIN_VARIANT})}
else
SYSROOT := ${ZEPHYR_SDK_INSTALL_DIR}/sysroots/${SYSROOT_TARGET_${ARCH}}
endif
LIBGCC_DIR = $(shell dirname `$(CROSS_COMPILE)gcc --sysroot=$(SYSROOT) $(KBUILD_CFLAGS) -print-libgcc-file-name`)
NEWLIB_DIR = $(shell $(CROSS_COMPILE)gcc --sysroot=$(SYSROOT) $(KBUILD_CFLAGS) -print-multi-directory)
TOOLCHAIN_CFLAGS = -I $(SYSROOT)/usr/include
LIB_INCLUDE_DIR += -L $(LIBGCC_DIR) -L $(SYSROOT)/usr/lib/$(NEWLIB_DIR)
endif
ifneq ($(CONFIG_TOOLCHAIN_VARIANT:"%"=%),)
CROSS_COMPILE = $(CROSS_COMPILE_$(subst $\",,$(CONFIG_TOOLCHAIN_VARIANT)))
else
CROSS_COMPILE = $(CROSS_COMPILE_$(ARCH))
endif
QEMU_BIN_PATH ?= $(TOOLCHAIN_HOME)/usr/bin
QEMU_BIOS=$(TOOLCHAIN_HOME)/usr/share/qemu
TOOLCHAIN_LIBS = gcc
DTC = ${TOOLCHAIN_HOME}/usr/bin/dtc
OPENOCD ?= ${TOOLCHAIN_HOME}/usr/bin/openocd
OPENOCD_DEFAULT_PATH ?= ${TOOLCHAIN_HOME}/usr/share/openocd/scripts
export LIB_INCLUDE_DIR CROSS_COMPILE TOOLCHAIN_LIBS QEMU_BIN_PATH QEMU TOOLCHAIN_CFLAGS OPENOCD OPENOCD_DEFAULT_PATH DTC
ifndef MAKEFILE_TOOLCHAIN_DO_PASS2
MAKEFILE_TOOLCHAIN_DO_PASS2=true
endif