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2013-03-12Refactor linker-generated arraysAlbert ARIBAUD
Refactor linker-generated array code so that symbols which were previously linker-generated are now compiler- generated. This causes relocation records of type R_ARM_ABS32 to become R_ARM_RELATIVE, which makes code which uses LGA able to run before relocation as well as after. Note: this affects more than ARM targets, as linker- lists span possibly all target architectures, notably PowerPC. Conflicts: arch/arm/cpu/arm926ejs/mxs/u-boot-spl.lds arch/arm/cpu/arm926ejs/spear/u-boot-spl.lds arch/arm/cpu/armv7/omap-common/u-boot-spl.lds board/ait/cam_enc_4xx/u-boot-spl.lds board/davinci/da8xxevm/u-boot-spl-da850evm.lds board/davinci/da8xxevm/u-boot-spl-hawk.lds board/vpac270/u-boot-spl.lds Signed-off-by: Albert ARIBAUD <albert.u.boot@aribaud.net>
2012-10-22common: Discard the __u_boot_cmd sectionMarek Vasut
The command declaration now uses the new LG-array method to generate list of commands. Thus the __u_boot_cmd section is now superseded and redundant and therefore can be removed. Also, remove externed symbols associated with this section from include/command.h . Signed-off-by: Marek Vasut <marex@denx.de> Cc: Joe Hershberger <joe.hershberger@gmail.com> Cc: Mike Frysinger <vapier@gentoo.org>
2012-10-22common: Add .u_boot_list into all linker filesMarek Vasut
Add section for the linker-generated lists into all possible linker files, so that everyone can easily use these lists. This is mostly a mechanical adjustment. Signed-off-by: Marek Vasut <marex@denx.de> Cc: Joe Hershberger <joe.hershberger@gmail.com> Cc: Mike Frysinger <vapier@gentoo.org>
2011-11-07board/genietv/flash.c: Fix flash initializationWolfgang Denk
The GENIETV has only one NOR flash bank. Remove all code trying to deal with a second bank. This also fixes a number of GCC 4.6 build warnings: flash.c:65:12: warning: array subscript is above array bounds [-Warray-bounds] flash.c:66:12: warning: array subscript is above array bounds [-Warray-bounds] flash.c:69:12: warning: array subscript is above array bounds [-Warray-bounds] flash.c:183:2: warning: format '%x' expects argument of type 'unsigned int', but argument 2 has type ' Signed-off-by: Wolfgang Denk <wd@denx.de>
2011-11-07board/genietv/flash.c: CodingStyle cleanupWolfgang Denk
Make (mostly) checkpatch clean (don't convert to use I/O accessors yet, so there will be "Use of volatile is usually wrong" warnings left. Signed-off-by: Wolfgang Denk <wd@denx.de>
2011-04-20powerpc, 8xx: Fixup all 8xx u-boot.lds scriptsJoakim Tjernlund
8xx was left behind when fixing up powerpc linking scripts to support -fpic. Signed-off-by: Joakim Tjernlund <Joakim.Tjernlund@transmode.se>
2011-03-27rename _end to __bss_end__Po-Yu Chuang
Currently, _end is used for end of BSS section. We want _end to mean end of u-boot image, so we rename _end to __bss_end__ first. Signed-off-by: Po-Yu Chuang <ratbert@faraday-tech.com>
2010-12-09Remove redundant config.mk filesWolfgang Denk
Recent cleanup actions resulted in a number of config.mk files that contained only redundant entries like PLATFORM_CPPFLAGS += -I$(TOPDIR) or settings of variables that were not used anywhere in the code, like TEXT_END = 0xfe080000 Remove these unnecessary files. Signed-off-by: Wolfgang Denk <wd@denx.de> Cc: Scott McNutt <smcnutt@psyent.com> Cc: Wolfgang Wegner <w.wegner@astro-kom.de> Cc: Josef Wagner <Wagner@Microsys.de> Cc: Tolunay Orkun <torkun@nextio.com> Cc: Frank Panno <fpanno@delphintech.com> Cc: Heiko Schocher <hs@denx.de> Cc: Brad Kemp <Brad.Kemp@seranoa.com> Acked-by: Heiko Schocher<hs@denx.de>
2010-11-278xx: Cleanup for partial linking and --gc-sectionsWolfgang Denk
Signed-off-by: Wolfgang Denk <wd@denx.de> Acked-by: Stefan Roese <sr@denx.de>
2010-11-17Switch from archive libraries to partial linkingSebastien Carlier
Before this commit, weak symbols were not overridden by non-weak symbols found in archive libraries when linking with recent versions of binutils. As stated in the System V ABI, "the link editor does not extract archive members to resolve undefined weak symbols". This commit changes all Makefiles to use partial linking (ld -r) instead of creating library archives, which forces all symbols to participate in linking, allowing non-weak symbols to override weak symbols as intended. This approach is also used by Linux, from which the gmake function cmd_link_o_target (defined in config.mk and used in all Makefiles) is inspired. The name of each former library archive is preserved except for extensions which change from ".a" to ".o". This commit updates references accordingly where needed, in particular in some linker scripts. This commit reveals board configurations that exclude some features but include source files that depend these disabled features in the build, resulting in undefined symbols. Known such cases include: - disabling CMD_NET but not CMD_NFS; - enabling CONFIG_OF_LIBFDT but not CONFIG_QE. Signed-off-by: Sebastien Carlier <sebastien.carlier@gmail.com>
2010-10-18Makefile: move all Power Architecture boards into boards.cfgWolfgang Denk
Clean up Makefile, and drop a lot of the config.mk files on the way. We now also automatically pick all boards that are listed in boards.cfg (and with all configurations), so we can drop the redundant entries from MAKEALL to avoid building these twice. Signed-off-by: Wolfgang Denk <wd@denx.de>
2010-10-18Rename TEXT_BASE into CONFIG_SYS_TEXT_BASEWolfgang Denk
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>
2010-04-21Move arch/ppc to arch/powerpcStefan Roese
As discussed on the list, move "arch/ppc" to "arch/powerpc" to better match the Linux directory structure. Please note that this patch also changes the "ppc" target in MAKEALL to "powerpc" to match this new infrastructure. But "ppc" is kept as an alias for now, to not break compatibility with scripts using this name. Signed-off-by: Stefan Roese <sr@denx.de> Acked-by: Wolfgang Denk <wd@denx.de> Acked-by: Detlev Zundel <dzu@denx.de> Acked-by: Kim Phillips <kim.phillips@freescale.com> Cc: Peter Tyser <ptyser@xes-inc.com> Cc: Anatolij Gustschin <agust@denx.de>
2010-04-13ppc: Move cpu/$CPU to arch/ppc/cpu/$CPUPeter Tyser
Signed-off-by: Peter Tyser <ptyser@xes-inc.com>
2010-04-13Rename lib_generic/ to lib/Peter Tyser
Now that the other architecture-specific lib directories have been moved out of the top-level directory there's not much reason to have the '_generic' suffix on the common lib directory. Signed-off-by: Peter Tyser <ptyser@xes-inc.com>
2010-04-13Move lib_$ARCH directories to arch/$ARCH/libPeter Tyser
Also move lib_$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>
2009-10-03ppc: Enable full relocation to RAMPeter Tyser
The following changes allow U-Boot to fully relocate from flash to RAM: - Remove linker scripts' .fixup sections from the .text section - Add -mrelocatable to PLATFORM_RELFLAGS for all boards - Define CONFIG_RELOC_FIXUP_WORKS for all boards Previously, U-Boot would partially relocate, but statically initialized pointers needed to be manually relocated. Signed-off-by: Peter Tyser <ptyser@xes-inc.com>
2009-03-20Fix all linker script to handle all rodata sectionsTrent Piepho
A recent gcc added a new unaligned rodata section called '.rodata.str1.1', which needs to be added the the linker script. Instead of just adding this one section, we use a wildcard ".rodata*" to get all rodata linker section gcc has now and might add in the future. However, '*(.rodata*)' by itself will result in sub-optimal section ordering. The sections will be sorted by object file, which causes extra padding between the unaligned rodata.str.1.1 of one object file and the aligned rodata of the next object file. This is easy to fix by using the SORT_BY_ALIGNMENT command. This patch has not be tested one most of the boards modified. Some boards have a linker script that looks something like this: *(.text) . = ALIGN(16); *(.rodata) *(.rodata.str1.4) *(.eh_frame) I change this to: *(.text) . = ALIGN(16); *(.eh_frame) *(SORT_BY_ALIGNMENT(SORT_BY_NAME(.rodata*))) This means the start of rodata will no longer be 16 bytes aligned. However, the boundary between text and rodata/eh_frame is still aligned to 16 bytes, which is what I think the real purpose of the ALIGN call is. Signed-off-by: Trent Piepho <xyzzy@speakeasy.org>
2008-11-18Align end of bss by 4 bytesSelvamuthukumar
Most of the bss initialization loop increments 4 bytes at a time. And the loop end is checked for an 'equal' condition. Make the bss end address aligned by 4, so that the loop will end as expected. Signed-off-by: Selvamuthukumar <selva.muthukumar@e-coninfotech.com> Signed-off-by: Wolfgang Denk <wd@denx.de>
2008-10-18rename CFG_ macros to CONFIG_SYSJean-Christophe PLAGNIOL-VILLARD
Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
2008-09-10rename environment.c in env_embedded.c to reflect is functionalityJean-Christophe PLAGNIOL-VILLARD
Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
2008-06-12Change initdram() return type to phys_size_tBecky Bruce
This patch changes the return type of initdram() from long int to phys_size_t. This is required for a couple of reasons: long int limits the amount of dram to 2GB, and u-boot in general is moving over to phys_size_t to represent the size of physical memory. phys_size_t is defined as an unsigned long on almost all current platforms. This patch *only* changes the return type of the initdram function (in include/common.h, as well as in each board's implementation of initdram). It does not actually modify the code inside the function on any of the platforms; platforms which wish to support more than 2GB of DRAM will need to modify their initdram() function code. Build tested with MAKEALL for ppc, arm, mips, mips-el. Booted on powerpc MPC8641HPCN. Signed-off-by: Becky Bruce <becky.bruce@freescale.com>
2008-05-21Big white-space cleanup.Wolfgang Denk
This commit gets rid of a huge amount of silly white-space issues. Especially, all sequences of SPACEs followed by TAB characters get removed (unless they appear in print statements). Also remove all embedded "vim:" and "vi:" statements which hide indentation problems. Signed-off-by: Wolfgang Denk <wd@denx.de>
2008-04-17Remove all the search paths from the .lds files.Jason Wessel
The cross compiler is responsible for providing the correct libraries and the logic to find the linking libraries. Signed-off-by: Jason Wessel <jason.wessel@windriver.com>
2008-01-12Fix linker scripts: add NOLOAD atribute to .bss/.sbss sectionsWolfgang Denk
With recent toolchain versions, some boards would not build because or errors like this one (here for ocotea board when building with ELDK 4.2 beta): ppc_4xx-ld: section .bootpg [fffff000 -> fffff23b] overlaps section .bss [fffee900 -> fffff8ab] For many boards, the .bss section is big enough that it wraps around at the end of the address space (0xFFFFFFFF), so the problem will not be visible unless you use a 64 bit tool chain for development. On some boards however, changes to the code size (due to different optimizations) we bail out with section overlaps like above. The fix is to add the NOLOAD attribute to the .bss and .sbss sections, telling the linker that .bss does not consume any space in the image. Signed-off-by: Wolfgang Denk <wd@denx.de>
2007-07-10board/[A-Za-i]*: Remove lingering references to CFG_CMD_* symbols.Jon Loeliger
Fixed some broken instances of "#ifdef CMD_CFG_IDE" too. Those always evaluated TRUE, and thus were always compiled even when IDE really wasn't defined/wanted. Signed-off-by: Jon Loeliger <jdl@freescale.com>
2007-07-09board/[f-l]*: Remove obsolete references to CONFIG_COMMANDSJon Loeliger
Signed-off-by: Jon Loeliger <jdl@freescale.com>
2007-07-04board/[Ma-i]*: Augment CONFIG_COMMANDS tests with defined(CONFIG_CMD_*).Jon Loeliger
This is a compatibility step that allows both the older form and the new form to co-exist for a while until the older can be removed entirely. All transformations are of the form: Before: #if (CONFIG_COMMANDS & CFG_CMD_AUTOSCRIPT) After: #if (CONFIG_COMMANDS & CFG_CMD_AUTOSCRIPT) || defined(CONFIG_CMD_AUTOSCRIPT) Signed-off-by: Jon Loeliger <jdl@freescale.com>
2006-10-09Move "ar" flags to config.mk to allow for silent "make -s"Wolfgang Denk
Based on patch by Mike Frysinger, 20 Jun 2006
2006-09-01Add support for a saving build objects in a separate directory.Marian Balakowicz
Modifications are based on the linux kernel approach and support two use cases: 1) Add O= to the make command line 'make O=/tmp/build all' 2) Set environement variable BUILD_DIR to point to the desired location 'export BUILD_DIR=/tmp/build' 'make' The second approach can also be used with a MAKEALL script 'export BUILD_DIR=/tmp/build' './MAKEALL' Command line 'O=' setting overrides BUILD_DIR environent variable. When none of the above methods is used the local build is performed and the object files are placed in the source directory.
2005-12-12(no commit message)Wolfgang Denk
2005-10-13Cleanup for GCC-4.xWolfgang Denk
2005-08-31Fix problems with ld version 2.16 (dot outside sections problem)Wolfgang Denk
Pointed out by Gerhard Jaeger, 31 Aug 2005; cf. http://sourceware.org/ml/binutils/2005-08/msg00412.html
2004-01-06Add a common get_ram_size() function and modify the thewdenk
board-specific files to invoke that common implementation.
2003-07-17* Patch by Martin Krause, 17 Jul 2003:wdenk
add delay to get I2C working with "imm" command and s3c24x0_i2c.c * Patch by Richard Woodruff, 17 July 03: - Fixed bug in OMAP1510 baud rate divisor settings. * Patch by Nye Liu, 16 July 2003: MPC860FADS fixes: - add MPC86xADS support (uses MPC86xADS.h) - add 866P/T core support (also MPC859T/MPC859DSL/MPC852T) o PLPRCR changes o BRG changes (EXTAL/XTAL restricted to 10MHz) o don't trust gclk() software measurement by default, depend on CONFIG_8xx_GCLK_FREQ - add DRAM SIMM not installed detection - use more "correct" SDRAM initialization sequence - allow different SDRAM sizes (8xxADS has 8M) - default DER is 0 - remove unused MAMR defines from FADS860T.h (all done in fads.c) - rename MAMR/MBMR defines to be more consistent. Should eventually be merged into MxMR to better reflect the PowerQUICC datasheet. * Patch by Yuli Barcohen, 16 Jul 2003: support new Motorola PQ2FADS-ZU evaluation board which replaced MPC8260ADS and MPC8266ADS
2003-06-27* Code cleanup:wdenk
- remove trailing white space, trailing empty lines, C++ comments, etc. - split cmd_boot.c (separate cmd_bdinfo.c and cmd_load.c) * Patches by Kenneth Johansson, 25 Jun 2003: - major rework of command structure (work done mostly by Michal Cendrowski and Joakim Kristiansen)
2003-06-25* Header file cleanup for ARMwdenk
* Patch by Murray Jensen, 24 Jun 2003: - make sure to use only U-boot provided header files - fix problems with ".rodata.str1.4" section as used by GCC-3.x
2003-05-30* Get (mostly) rid of CFG_MONITOR_LEN definition; compute real lengthwdenk
instead CFG_MONITOR_LEN is now only used to determine _at_compile_ _time_ (!) if the environment is embedded within the U-Boot image, or in a separate flash sector. * Cleanup CFG_DER #defines in config files (wd maintained only)
2002-11-03Initial revisionwdenk
2002-11-03Initial revisionwdenk
2002-08-17Initial revisionwdenk
2002-07-20Initial revisionwdenk
2001-01-06Initial revisionwdenk
2000-12-14Initial revisionwdenk