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  • Chris Mills Chris Mills millsc
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13 authors
  1. Oct 03, 2009
  3. Aug 08, 2009
    • Michael Evans's avatar
      Fix examples for OMAP3 boards... · 61c68ae0
      Michael Evans authored 
      
The attached patch corrects an error in the examples/Makefile which
causes the applications in the examples directory to hang on OMAP3
based boards. The current Makefile sets -Ttext during linking to
0x0c100000 which is outside of addressable SDRAM memory. The script
corrects the existing ifeq...else...endif logic to look at the VENDOR
tag rather than the CPU tag.

The patch affects the following configs: omap3_beagle_config,
omap3_overo_config, omap3_evm_config, omap3_pandora_config,
omap3_zoom1_config and omap3_zoom2_config.

Signed-off-by: default avatarMichael Evans <horse_dung@hotmail.com>

Edited commit message.
Signed-off-by: default avatarWolfgang Denk <wd@denx.de>
      61c68ae0
  5. Jul 27, 2009
  7. Jul 21, 2009
  9. Jul 20, 2009
  11. Apr 04, 2009
  13. Mar 20, 2009
    • Trent Piepho's avatar
      Fix all linker script to handle all rodata sections · f62fb999
      Trent Piepho authored 
      
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: default avatarTrent Piepho <xyzzy@speakeasy.org>
      f62fb999
  15. Mar 18, 2009
  17. Feb 23, 2009
  19. Jan 24, 2009
  21. Dec 09, 2008
  23. Nov 18, 2008
  25. Oct 18, 2008
  27. Oct 14, 2008
  29. Sep 09, 2008
  31. Aug 31, 2008
  33. Jul 10, 2008
  35. May 20, 2008
    • Wolfgang Denk's avatar
      Big white-space cleanup. · 53677ef1
      Wolfgang Denk authored 
      
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: default avatarWolfgang Denk <wd@denx.de>
      53677ef1
  37. May 18, 2008
  39. Apr 08, 2008
  41. Mar 04, 2008
  43. Mar 02, 2008
    • Woodruff, Richard's avatar
      Fix alignment error on ARM for modules · 118978c8
      Woodruff, Richard authored 
      Fix alignment fault on ARM when running modules.  With out an explicit
linker file gcc4.2.1 will half word align __bss_start's value.  The word
dereference will crash hello_world.

signed-off-by Richard Woodruff <r-woodruff2@ti.com>
      118978c8
  45. Feb 17, 2008
  47. Feb 14, 2008
    • Wolfgang Denk's avatar
      PPC: Use r2 instead of r29 as global data pointer · e7670f6c
      Wolfgang Denk authored 
      
R29 was an unlucky choice as with recent toolchains (gcc-4.2.x) gcc
will refuse to use load/store multiple insns; instead, it issues a
list of simple load/store instructions upon function entry and exit,
resulting in bigger code size, which in turn makes the build for a
few boards fail.

Use r2 instead.

Signed-off-by: default avatarWolfgang Denk <wd@denx.de>
      e7670f6c
  49. Feb 07, 2008
  51. Feb 05, 2008
  53. Jan 12, 2008
    • Wolfgang Denk's avatar
      Fix linker scripts: add NOLOAD atribute to .bss/.sbss sections · 64134f01
      Wolfgang Denk authored 
      
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: default avatarWolfgang Denk <wd@denx.de>
      64134f01
  55. Dec 27, 2007
  57. Nov 25, 2007
  59. Nov 15, 2007
  61. Oct 21, 2007