u-boot/arch/sparc/config.mk

#
# (C) Copyright 2007
# Daniel Hellstrom, Gaisler Research, daniel@gaisler.com
#
# SPDX-License-Identifier:	GPL-2.0+
#

ifeq ($(CROSS_COMPILE),)
CROSS_COMPILE := sparc-elf-
endif

CONFIG_STANDALONE_LOAD_ADDR ?= 0x00000000 -L $(gcclibdir) \
			-T $(srctree)/$(src)/sparc.lds

PLATFORM_CPPFLAGS += -DCONFIG_SPARC -D__sparc__
SPARC: Added generic support for SPARC architecture. Signed-off-by: Daniel Hellstrom <daniel@gaisler.com> 2008-03-28 08:47:00 +00:00			`#`
			`# (C) Copyright 2007`
			`# Daniel Hellstrom, Gaisler Research, daniel@gaisler.com`
			`#`
Add GPL-2.0+ SPDX-License-Identifier to source files Signed-off-by: Wolfgang Denk <wd@denx.de> [trini: Fixup common/cmd_io.c] Signed-off-by: Tom Rini <trini@ti.com> 2013-07-08 07:37:19 +00:00			`# SPDX-License-Identifier: GPL-2.0+`
SPARC: Added generic support for SPARC architecture. Signed-off-by: Daniel Hellstrom <daniel@gaisler.com> 2008-03-28 08:47:00 +00:00			`#`

kbuild: fix CROSS_COMPILE settings in config.mk The syntax CROSS_COMIPLE ?= <cross_compiler_prefix> does not work because config.mk is parsed after exporting CROSS_COMPILE. Like Linux Kernel's arch/$(ARCH)/Makefile, we must write as follows: ifeq ($(CROSS_COMPILE),) CROSS_COMPILE := <cross_compiler_prefix> endif Signed-off-by: Masahiro Yamada <yamada.m@jp.panasonic.com> 2014-02-28 05:33:30 +00:00			`ifeq ($(CROSS_COMPILE),)`
			`CROSS_COMPILE := sparc-elf-`
			`endif`
push CROSS_COMPILE out to $(ARCH)_config.mk Each arch should handle setting a proper default CROSS_COMPILE value in their own config.mk file rather than having to maintain a large ugly list in the Makefile. By using conditional assignment, we don't have to worry about the variable already being set (env/cmdline/etc...). The common config.mk file takes care of exporting CROSS_COMPILE already, and while a few variables (toolchain ones) utilize CROSS_COMPILE before including the arch config.mk, they do so with deferred assignment. Signed-off-by: Mike Frysinger <vapier@gentoo.org> 2009-06-15 03:33:14 +00:00
kbuild: change out-of-tree build This commit changes the working directory where the build process occurs. Before this commit, build process occurred under the source tree for both in-tree and out-of-tree build. That's why we needed to add $(obj) prefix to all generated files in makefiles like follows: $(obj)u-boot.bin: $(obj)u-boot Here, $(obj) is empty for in-tree build, whereas it points to the output directory for out-of-tree build. And our old build system changes the current working directory with "make -C <sub-dir>" syntax when descending into the sub-directories. On the other hand, Kbuild uses a different idea to handle out-of-tree build and directory descending. The build process of Kbuild always occurs under the output tree. When "O=dir/to/store/output/files" is given, the build system changes the current working directory to that directory and restarts the make. Kbuild uses "make -f $(srctree)/scripts/Makefile.build obj=<sub-dir>" syntax for descending into sub-directories. (We can write it like "make $(obj)=<sub-dir>" with a shorthand.) This means the current working directory is always the top of the output directory. Signed-off-by: Masahiro Yamada <yamada.m@jp.panasonic.com> Tested-by: Gerhard Sittig <gsi@denx.de> 2014-02-04 08:24:24 +00:00			`CONFIG_STANDALONE_LOAD_ADDR ?= 0x00000000 -L $(gcclibdir) \`
			`-T $(srctree)/$(src)/sparc.lds`
push LOAD_ADDR out to arch mk files Rather than maintain/extend the current ifeq($(ARCH)) mess that exists in the standalone Makefile, push the setting up of LOAD_ADDR out to the arch config.mk (and rename to STANDALONE_LOAD_ADDR in the process). This keeps the common code clean and lets the arch do whatever crazy crap it wants in its own area. Signed-off-by: Mike Frysinger <vapier@gentoo.org> 2009-09-04 03:12:47 +00:00
SPARC: Added generic support for SPARC architecture. Signed-off-by: Daniel Hellstrom <daniel@gaisler.com> 2008-03-28 08:47:00 +00:00			`PLATFORM_CPPFLAGS += -DCONFIG_SPARC -D__sparc__`