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* sh: generate position independent code for all platformsVladimir Zapolskiy2016-12-02-0/+1
| | | | | | | | | | | | | | Finally add fpic compilation option to produce relocatable code. Note that this requires to define CONFIG_NEEDS_MANUAL_RELOC for all board files, also relocation support still has some limitations (e.g. a developer should care not to overwrite the executing code or memset() with zeroes not yet relocated data on malloc init etc.), which may be fixed while switching to PIE. Due to short investigation the architecture code is not ready for PIE linking, this will require some manipulations with .dyn* sections. Signed-off-by: Vladimir Zapolskiy <vz@mleia.com>
* sh: define entry point and reloc_dst inside a linker scriptVladimir Zapolskiy2016-12-02-1/+0
| | | | | | | | | | No functional change, concentrate linker script commands in one place for convenience. Entry point is set to CONFIG_SYS_TEXT_BASE by default on build, so this option can be omitted from being added to the linker script. Signed-off-by: Vladimir Zapolskiy <vz@mleia.com> Reviewed-by: Simon Glass <sjg@chromium.org>
* kbuild: fix CROSS_COMPILE settings in config.mkMasahiro Yamada2014-03-04-1/+3
| | | | | | | | | | | | | | | | 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>
* sh: merge compiler flag -ffixed-r13Masahiro Yamada2014-03-04-0/+1
| | | | | | | | -ffixed-r13 is defined commonly for sh2, sh3, sh4. Move it to arch/sh/config.mk Signed-off-by: Masahiro Yamada <yamada.m@jp.panasonic.com> Cc: Nobuhiro Iwamatsu <nobuhiro.iwamatsu.yj@renesas.com>
* Add GPL-2.0+ SPDX-License-Identifier to source filesWolfgang Denk2013-07-24-17/+1
| | | | | | Signed-off-by: Wolfgang Denk <wd@denx.de> [trini: Fixup common/cmd_io.c] Signed-off-by: Tom Rini <trini@ti.com>
* Handle most LDSCRIPT setting centrallyScott Wood2011-04-30-6/+0
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Currently, some linker scripts are found by common code in config.mk. Some are found using CONFIG_SYS_LDSCRIPT, but the code for that is sometimes in arch config.mk and sometimes in board config.mk. Some are found using an arch-specific rule for looking in CPUDIR, etc. Further, the powerpc config.mk rule relied on CONFIG_NAND_SPL when it really wanted CONFIG_NAND_U_BOOT -- which covered up the fact that not all NAND_U_BOOT builds actually wanted CPUDIR/u-boot-nand.lds. Replace all of this -- except for a handful of boards that are actually selecting a linker script in a unique way -- with centralized ldscript finding. If board code specifies LDSCRIPT, that will be used. Otherwise, if CONFIG_SYS_LDSCRIPT is specified, that will be used. If neither of these are specified, then the central config.mk will check for the existence of the following, in order: $(TOPDIR)/board/$(BOARDDIR)/u-boot-nand.lds (only if CONFIG_NAND_U_BOOT) $(TOPDIR)/$(CPUDIR)/u-boot-nand.lds (only if CONFIG_NAND_U_BOOT) $(TOPDIR)/board/$(BOARDDIR)/u-boot.lds $(TOPDIR)/$(CPUDIR)/u-boot.lds Some boards (sc3, cm5200, munices) provided their own u-boot.lds that were dead code, because they were overridden by a CPUDIR u-boot.lds under the old powerpc rules. These boards' own u-boot.lds have bitrotted and no longer work -- these lds files have been removed. Signed-off-by: Scott Wood <scottwood@freescale.com> Tested-by: Graeme Russ <graeme.russ@gmail.com>
* Make STANDALONE_LOAD_ADDR configurable per boardWolfgang Denk2011-04-12-2/+2
| | | | | | | | | | | | | Rename STANDALONE_LOAD_ADDR into CONFIG_STANDALONE_LOAD_ADDR and allow that the architecture-specific default value gets overwritten by defining the value in the board header file. Signed-off-by: Wolfgang Denk <wd@denx.de> Cc: Mike Frysinger <vapier@gentoo.org> Cc: Shinya Kuribayashi <skuribay@ruby.dti.ne.jp> Cc: Daniel Hellstrom <daniel@gaisler.com> Cc: Tsi Chung Liew <tsi-chung.liew@freescale.com> Cc: Nobuhiro Iwamatsu <iwamatsu@nigauri.org>
* Coding Style cleanup: remove trailing empty linesWolfgang Denk2011-03-27-1/+0
| | | | Signed-off-by: Wolfgang Denk <wd@denx.de>
* Introduce a new linker flag LDFLAGS_FINALHaiying Wang2011-03-22-1/+1
| | | | | | | | | | | | | | | commit 8aba9dceebb14144e07d19593111ee3a999c37fc Divides variable of linker flags to LDFLAGS-u-boot and LDFLAGS breaks the usage of --gc-section to build nand_spl. We still need linker option --gc-section for every uboot image, not only the main one. LDFLAGS_FINAL passes the --gc-sections to each uboot image. To get the proper linker flags, we use LDFLAGS and LDFLAGS_FINAL to replace PLATFORM_LDFLAGS in the Makefile of each nand_spl board. Signed-off-by: Scott Wood <scottwood@freescale.com> Signed-off-by: Haiying Wang <Haiying.Wang@freescale.com>
* sh: add support the CONFIG_SYS_LDSCRIPTYoshihiro Shimoda2011-02-02-0/+6
| | | | | Signed-off-by: Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com> Signed-off-by: Nobuhiro Iwamatsu <iwamatsu@nigauri.org>
* Divides variable of linker flags to LDFLAGS-u-boot and LDFLAGSNobuhiro Iwamatsu2011-01-25-1/+1
| | | | | | | | | | Linker needs to use the proper endian/bfd flags even when doing partial linking. LDFLAGS_u-boot sets linker option which is called it when U-boot is built (u-boot final). LDFLAGS sets necessary option by partial linking (use in cmd_link_o_target). CC: Mike Frysinger <vapier@gentoo.org> Signed-off-by: Nobuhiro Iwamatsu <iwamatsu@nigauri.org>
* sh: Rename TEXT_BASE to CONFIG_SYS_TEXT_BASENobuhiro Iwamatsu2010-10-21-1/+1
| | | | Signed-off-by: Nobuhiro Iwamatsu <iwamatsu@nigauri.org>
* Rename TEXT_BASE into CONFIG_SYS_TEXT_BASEWolfgang Denk2010-10-18-1/+1
| | | | | | | | | | | | The change is currently needed to be able to remove the board configuration scripting from the top level Makefile and replace it by a simple, table driven script. Moving this configuration setting into the "CONFIG_*" name space is also desirable because it is needed if we ever should move forward to a Kconfig driven configuration system. Signed-off-by: Wolfgang Denk <wd@denx.de>
* Move lib_$ARCH directories to arch/$ARCH/libPeter Tyser2010-04-13-0/+34
Also move lib_$ARCH/config.mk to arch/$ARCH/config.mk This change is intended to clean up the top-level directory structure and more closely mimic Linux's directory organization. Signed-off-by: Peter Tyser <ptyser@xes-inc.com>
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