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* MIPS: Introduce --gc-sections for MIPSDaniel Schwierzeck2011-05-10-5/+5
| | | | | | | | | | | | All architectures but MIPS are using --gc-sections on final linking. This patch introduces that feature for MIPS to reduce the memory and flash footprint. Signed-off-by: Daniel Schwierzeck <daniel.schwierzeck@googlemail.com> Cc: Wolfgang Denk <wd@denx.de> Cc: Stefan Roese <sr@denx.de> Cc: Thomas Lange <thomas@corelatus.se> Cc: Vlad Lungu <vlad.lungu@windriver.com> Signed-off-by: Shinya Kuribayashi <skuribay@pobox.com>
* MIPS: update the MIPS u-boot.ldsXiangfu Liu2010-09-04-1/+1
| | | | | | | | | | From the document, if set all arguments in "OUTPUT_FORMAT" to "tradbigmips", then even add "-EL" to gcc we still get EB format. pb1x00 is only used in Little-endian, so its default endian should be set to LE. Signed-off-by: Xiangfu Liu <xiangfu@openmobilefree.net> Signed-off-by: Shinya Kuribayashi <skuribay@pobox.com>
* Fix all linker script to handle all rodata sectionsTrent Piepho2009-03-20-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | 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>
* Align end of bss by 4 bytesSelvamuthukumar2008-11-18-1/+1
| | | | | | | | | | 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>
* Fix linker scripts: add NOLOAD atribute to .bss/.sbss sectionsWolfgang Denk2008-01-12-2/+2
| | | | | | | | | | | | | | | | | | | 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>
* [MIPS] u-boot.lds: Cleanup __u_boot_cmd_{start,end}Shinya Kuribayashi2007-11-17-3/+5
| | | | Signed-off-by: Shinya Kuribayashi <skuribay@ruby.dti.ne.jp>
* [MIPS] u-boot.lds: Define _gp in a standard mannerShinya Kuribayashi2007-10-21-1/+2
| | | | Signed-off-by: Shinya Kuribayashi <shinya.kuribayashi@necel.com>
* [MIPS] u-boot.lds: Fix __got_start and __got_endShinya Kuribayashi2007-10-21-3/+5
| | | | | | | Ensure that __got_start points to top of the `.got', and __got_end points to bottom as well, so that we never fail to count num_got_entries. Signed-off-by: Shinya Kuribayashi <shinya.kuribayashi@necel.com>
* [MIPS] u-boot.lds: Remove duplicated .sdata sectionShinya Kuribayashi2007-10-21-3/+0
| | | | Signed-off-by: Shinya Kuribayashi <shinya.kuribayashi@necel.com>
* Add support for AMD's Pb1x00 eval board;Wolfgang Denk2005-09-25-0/+68
add MII routines to the au1x00 ethernet driver; add USB ohci driver (work in progress) Patch by Thomas Sailer, 20 Jan 2005