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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>
2006-11-30Code cleanup.Wolfgang Denk
2006-10-08Move "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
2005-11-20Change all '$(...)' variable references into '${...}'Wolfgang Denk
which makes the environment compatible with the hush shell. WARNING: Support for the old '$(...)' syntax will be discontinued in a later version.
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
2004-01-20* The PS/2 mux on the BMS2003 board needs 450 ms after power onwdenk
before we can access it; add delay in case we are faster (with no CF card inserted) * Cleanup of some init functions * Make sure SCC Ethernet is always stopped by the time we boot Linux to avoid Linux crashes by early packets coming in. * Accelerate flash accesses on LWMON board by using buffered writes
2004-01-06Add a common get_ram_size() function and modify the thewdenk
board-specific files to invoke that common implementation.
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)
2003-03-12* Patch by Josef Wagner, 12 Mar 2003:wdenk
- 16/32 MB and 50/80 MHz support with auto-detection for IP860 - ETH05 and BEDBUG support for CU824 - added support for MicroSys CPC45 - new BOOTROM/FLASH0 and DOC base for PM826 * Patch by Robert Schwebel, 12 Mar 2003: Fix the chpart command on innokom board * Name cleanup: mv include/asm-i386/ppcboot-i386.h include/asm-i386/u-boot-i386.h s/PPCBoot/U-Boot/ in some files s/pImage/uImage/ in some files * Patch by Detlev Zundel, 15 Jan 2003: Fix '' command line quoting * Patch by The LEOX team, 19 Jan 2003: - add support for the ELPT860 board - add support for Dallas ds164x RTC