Commit graph

53 commits

Author SHA1 Message Date
Sebastien Carlier
6d8962e814 Switch from archive libraries to partial linking
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>
2010-11-17 21:02:18 +01:00
Wolfgang Denk
14d0a02a16 Rename TEXT_BASE into CONFIG_SYS_TEXT_BASE
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>
2010-10-18 22:07:10 +02:00
Wolfgang Denk
54841ab50c Make sure that argv[] argument pointers are not modified.
The hush shell dynamically allocates (and re-allocates) memory for the
argument strings in the "char *argv[]" argument vector passed to
commands.  Any code that modifies these pointers will cause serious
corruption of the malloc data structures and crash U-Boot, so make
sure the compiler can check that no such modifications are being done
by changing the code into "char * const argv[]".

This modification is the result of debugging a strange crash caused
after adding a new command, which used the following argument
processing code which has been working perfectly fine in all Unix
systems since version 6 - but not so in U-Boot:

int main (int argc, char **argv)
{
	while (--argc > 0 && **++argv == '-') {
/* ====> */	while (*++*argv) {
			switch (**argv) {
			case 'd':
				debug++;
				break;
			...
			default:
				usage ();
			}
		}
	}
	...
}

The line marked "====>" will corrupt the malloc data structures and
usually cause U-Boot to crash when the next command gets executed by
the shell.  With the modification, the compiler will prevent this with
an
	error: increment of read-only location '*argv'

N.B.: The code above can be trivially rewritten like this:

	while (--argc > 0 && **++argv == '-') {
		char *arg = *argv;
		while (*++arg) {
			switch (*arg) {
			...

Signed-off-by: Wolfgang Denk <wd@denx.de>
Acked-by: Mike Frysinger <vapier@gentoo.org>
2010-07-04 23:55:42 +02:00
Peter Tyser
78acc472d9 Rename lib_generic/ to lib/
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>
2010-04-13 09:13:04 +02:00
Ladislav Michl
3a67566c1d NetStar: eeprom - fix linker error
linking eeprom with libgeneric.a is not really needed and causes following
error:
../../lib_generic/libgeneric.a(string.o): In function `strcmp':
lib_generic/string.c:152: multiple definition of `strcmp'
../../examples/standalone/libstubs.a(stubs.o):include/_exports.h:24: first defined here
Remove eeprom linker script as well and generate entry point object
(to start application by jumping on its beginning) on the fly.
Out-of-tree build tested as well.

Signed-off-by: Ladislav Michl <ladis@linux-mips.org>
Signed-off-by: Sandeep Paulraj <s-paulraj@ti.com>
2010-03-07 12:36:34 -06:00
Ladislav Michl
308d463eaf NetStar: eeprom - be less verbose
Use shorter yet descriptive messages, replace printf() with
puts() where appropriate. This saves few bytes.

Signed-off-by: Ladislav Michl <ladis@linux-mips.org>
Signed-off-by: Sandeep Paulraj <s-paulraj@ti.com>
2010-03-07 12:36:34 -06:00
Ladislav Michl
b29ff62772 NetStar: eeprom - undefined reference to `memset'
Defining partially initialized struct eth_device on stack means
gcc has to zero out it, and some gcc versions optimize this with
an implicit call to memset. Move definition to data section
to avoid that (it has also nice side effect that we need not
to pass it to helper functions anymore)

Signed-off-by: Ladislav Michl <ladis@linux-mips.org>
Signed-off-by: Sandeep Paulraj <s-paulraj@ti.com>
2010-03-07 12:36:34 -06:00
Ladislav Michl
d798e27b14 NetStar: Remove debug junk leaked into eeprom utility
This patch removes debug junk leaked into eeprom utility.

Signed-off-by: Ladislav Michl <ladis@linux-mips.org>
Signed-off-by: Sandeep Paulraj <s-paulraj@ti.com>
2010-02-12 12:31:54 -06:00
Ladislav Michl
89e94d81ed NetStar: make crcit utility more readable
This patch makes the crcit utility more readable

Signed-off-by: Ladislav Michl <ladis@linux-mips.org>
Signed-off-by: Sandeep Paulraj <s-paulraj@ti.com>
2010-02-12 12:31:54 -06:00
Ben Warren
7194ab8095 Convert SMC91111 Ethernet driver to CONFIG_NET_MULTI API
All in-tree boards that use this controller have CONFIG_NET_MULTI
added
Also:
  - changed CONFIG_DRIVER_SMC91111 to CONFIG_SMC91111
  - cleaned up line lengths
  - modified all boards that override weak function in this driver
  - modified all eeprom standalone apps to work with new driver
  - updated blackfin standalone EEPROM app after testing

Signed-off-by: Ben Warren <biggerbadderben@gmail.com>
Signed-off-by: Mike Frysinger <vapier@gentoo.org>
2009-10-04 22:37:03 -07:00
Wolfgang Denk
1aada9cd64 Fix all linker scripts for older binutils versions (pre-2.16)
Commit f62fb99941 fixed handling of all rodata sections by using a
wildcard combined with calls to ld's builtin functions SORT_BY_ALIGNMENT()
and SORT_BY_NAME().  Unfortunately these functions were only
introduced with biunutils version 2.16, so the modification broke
building with all tool chains using older binutils.

This patch makes it work again.  This is done by omitting the use of
these functions for such old tool chains.  This will result in
slightly larger target binaries, as the rodata sections are no longer
in optimal order alignment-wise which reauls in unused gaps, but the
effect was found to be insignificant - especially compared to the fact
that you cannot build U-Boot at all in the current state.

As ld seems to have no support for conditionals we run the linker
script through the C preprocessor which can be easily used to remove
the unwanted function calls.

Note that the C preprocessor must be run with the "-ansi" (or a
"-std=") option to make sure all the system-specific predefined
macros outside the reserved namespace are suppressed. Otherise, cpp
might for example substitute "powerpc" to "1", thus corrupting for
example "OUTPUT_ARCH(powerpc)" etc.

Signed-off-by: Wolfgang Denk <wd@denx.de>
Cc: Mike Frysinger <vapier@gentoo.org>
2009-08-21 23:13:34 +02:00
Mike Frysinger
9aef738885 unify HOST_CFLAGS and HOSTCFLAGS
The top build system sets up HOSTCFLAGS a bit and exports it, but other
places use HOST_CFLAGS instead.  Unify the two as HOSTCFLAGS so that the
values stay in sync.

Signed-off-by: Mike Frysinger <vapier@gentoo.org>
2009-07-23 21:26:14 +02:00
Wolfgang Denk
48677a1ef5 Fix "ld: cannot find -lstubs" build error
Commit 1bc15386 moved the examples/ to examples/standalone but failed
to adapt the Makefiles that need to link against libstubs.a

Signed-off-by: Wolfgang Denk <wd@denx.de>
Cc: Signed-off-by: Peter Tyser <ptyser@xes-inc.com>
2009-07-22 23:53:23 +02:00
Jean-Christophe PLAGNIOL-VILLARD
10a451cd57 arm: unify linker script
all arm boards except a few use the same cpu linker script
so move it to cpu/$(CPU)

that could be overwrite in following order
SOC
BOARD
via the corresponding config.mk

Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
2009-06-12 20:39:52 +02:00
Jean-Christophe PLAGNIOL-VILLARD
b54384e3ba arm: timer and interrupt init rework
actually the timer init use the interrupt_init as init callback
which make the interrupt and timer implementation difficult to follow

so now rename it as int timer_init(void) and use interrupt_init for interrupt

btw also remane the corresponding file to the functionnality implemented

as ixp arch implement two timer - one based on interrupt - so all the timer
related code is moved to timer.c

Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
2009-06-12 20:39:48 +02:00
Detlev Zundel
792a09eb9d Fix e-mail address of Gary Jennejohn.
Signed-off-by: Detlev Zundel <dzu@denx.de>
2009-05-15 22:11:59 +02:00
Jean-Christophe PLAGNIOL-VILLARD
66932ac392 netstar: fix crc32.c dependancy location
Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
2009-04-04 20:07:12 +02:00
Ladislav Michl
0fc4f64c59 NetStar: fix NAND
Fix NAND support broken during new NAND code merge. Move those few lines of
code to board/netstar/netstar.c

Signed-off-by: Ladislav Michl <ladis@linux-mips.org>
2009-03-31 13:56:20 +02:00
Ladislav Michl
04531f3c11 NetStar: add RTC support
Add RTC support.

Signed-off-by: Ladislav Michl <ladis@linux-mips.org>
2009-03-29 16:04:51 +02:00
Ladislav Michl
71f7bd305d NetStar: use generic flash driver
Signed-off-by: Ladislav Michl <ladis@linux-mips.org>
2009-03-29 16:04:51 +02:00
Ladislav Michl
3f464b0fc0 NetStar: update crcit utility
Make crc32 function to match its prototype. Use more meaningful identifiers.

Signed-off-by: Ladislav Michl <ladis@linux-mips.org>
2009-03-29 16:04:51 +02:00
Trent Piepho
f62fb99941 Fix all linker script to handle all rodata sections
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>
2009-03-20 22:39:12 +01:00
Peter Tyser
561858ee7d Update U-Boot's build timestamp on every compile
Use the GNU 'date' command to auto-generate a new U-Boot
timestamp on every compile.

Signed-off-by: Peter Tyser <ptyser@xes-inc.com>
2008-12-06 23:36:43 +01:00
Selvamuthukumar
9b827cf172 Align end of bss by 4 bytes
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>
2008-11-18 23:13:16 +01:00
Jean-Christophe PLAGNIOL-VILLARD
6d0f6bcf33 rename CFG_ macros to CONFIG_SYS
Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
2008-10-18 21:54:03 +02:00
William Juul
5e1dae5c3d Fixing coding style issues
- Fixing leading white spaces
 - Fixing indentation where 4 spaces are used instead of tab
 - Removing C++ comments (//), wherever I introduced them

Signed-off-by: William Juul <william.juul@tandberg.com>
Signed-off-by: Scott Wood <scottwood@freescale.com>
2008-08-12 11:31:17 -05:00
William Juul
4cbb651b29 Remove white space at end.
Signed-off-by: William Juul <william.juul@tandberg.com>
Signed-off-by: Scott Wood <scottwood@freescale.com>
2008-08-12 11:31:16 -05:00
William Juul
cfa460adfd Update MTD to that of Linux 2.6.22.1
A lot changed in the Linux MTD code, since it was last ported from
Linux to U-Boot. This patch takes U-Boot NAND support to the level
of Linux 2.6.22.1 and will enable support for very large NAND devices
(4KB pages) and ease the compatibility between U-Boot and Linux
filesystems.

This patch is tested on two custom boards with PPC and ARM
processors running YAFFS in U-Boot and Linux using gcc-4.1.2
cross compilers.

MAKEALL ppc/arm has some issues:
 * DOC/OneNand/nand_spl is not building (I have not tried porting
   these parts, and since I do not have any HW and I am not familiar
   with this code/HW I think its best left to someone else.)

Except for the issues mentioned above, I have ported all drivers
necessary to run MAKEALL ppc/arm without errors and warnings. Many
drivers were trivial to port, but some were not so trivial. The
following drivers must be examined carefully and maybe rewritten to
some degree:
 cpu/ppc4xx/ndfc.c
 cpu/arm926ejs/davinci/nand.c
 board/delta/nand.c
 board/zylonite/nand.c

Signed-off-by: William Juul <william.juul@tandberg.com>
Signed-off-by: Stig Olsen <stig.olsen@tandberg.com>
Signed-off-by: Scott Wood <scottwood@freescale.com>
2008-08-12 11:31:15 -05:00
Wolfgang Denk
c8a3b109f0 Cleanup out-or-tree building for some boards (.depend)
Signed-off-by: Wolfgang Denk <wd@denx.de>
2008-07-02 23:49:18 +02:00
Wolfgang Denk
53677ef18e Big white-space cleanup.
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>
2008-05-21 00:14:08 +02:00
Peter Pearse
f4e7cbfcb0 Update board NetStar
Signed-off-by: Ladislav Michl <ladis@linux-mips.org>
2008-02-14 09:32:21 +00:00
Wolfgang Denk
64134f0112 Fix linker scripts: add NOLOAD atribute to .bss/.sbss sections
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>
2008-01-12 20:31:39 +01:00
Jean-Christophe PLAGNIOL-VILLARD
2439e4bfa1 drivers/net : move net drivers to drivers/net
Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
2007-11-25 18:35:17 +01:00
Jon Loeliger
3fe00109a5 board/[m-p]*: Remove obsolete references to CONFIG_COMMANDS
Signed-off-by: Jon Loeliger <jdl@freescale.com>
2007-07-09 18:48:09 -05:00
Jon Loeliger
9107ebe0d3 board/[k-z]*: Augment CONFIG_COMMANDS tests with defined(CONFIG_CMD_*).
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>
2007-07-04 00:35:03 +02:00
Heiko Schocher
fa23044564 Added support for the TQM8272 board from TQ
Signed-off-by: Heiko Schocher <hs@denx.de>
2006-12-21 17:17:02 +01:00
Stefan Roese
1265581502 [PATCH] Add some missing machtypes for netstar & voiceblue boards
Use MACH_TYPE_NETSTAR and MACH_TYPE_VOICEBLUE defines instead of
numbers in code.

Signed-off-by: Ladislav Michl <ladis@linux-mips.org>
Signed-off-by: Stefan Roese <sr@denx.de>
2006-10-28 17:12:58 +02:00
Wolfgang Denk
2b208f5308 Move "ar" flags to config.mk to allow for silent "make -s"
Based on patch by Mike Frysinger, 20 Jun 2006
2006-10-09 01:02:05 +02:00
Wolfgang Denk
511d0c72b8 Coding style cleanup 2006-10-09 00:42:01 +02:00
Marian Balakowicz
f93286397e Add support for a saving build objects in a separate directory.
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.
2006-09-01 19:49:50 +02:00
Marian Balakowicz
24d3d37546 Remove the board/netstar/crcit binary from git repository. 2006-09-01 19:47:42 +02:00
Wolfgang Denk
048f6b436b Code cleanup 2006-07-21 20:57:53 +02:00
Wolfgang Denk
b9365a26a1 Code cleanup 2006-07-21 11:56:05 +02:00
Wolfgang Denk
87a5c73d66 Update NetStar board
Patch by Ladislav Michl, 03 Nov 2005
2006-07-21 11:38:33 +02:00
Wolfgang Denk
b28a31ca02 Merge with /home/m8/git/u-boot 2006-04-12 12:26:32 +02:00
Marian Balakowicz
6db3970811 Fix JFFS2 support for legacy NAND driver.
Some more NAND cleanup and small fixes.
2006-04-08 19:08:06 +02:00
Wolfgang Denk
d87080b721 GCC-4.x fixes: clean up global data pointer initialization for all boards. 2006-03-31 18:32:53 +02:00
Wolfgang Denk
84ef51a632 Fix cleanup for netstart board.
Remove build results from repository
2006-03-12 00:04:20 +01:00
Wolfgang Denk
d52fb7e3d1 Some code cleanup for GCC 4.x 2006-03-11 22:53:33 +01:00
Wolfgang Denk
bfc81252c0 Minor code cleanup 2006-03-06 13:03:37 +01:00