uboot-mt623x

History

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
..
Makefile	Switch from archive libraries to partial linking	2010-11-17 21:02:18 +01:00
README	Initial revision	2002-11-02 22:58:18 +00:00
dinkdl	Initial revision	2001-10-15 21:41:43 +00:00
early_init.S	Replace CONFIG_SYS_GBL_DATA_SIZE by auto-generated value	2010-10-26 21:05:30 +02:00
flash.c	rename CFG_ macros to CONFIG_SYS	2008-10-18 21:54:03 +02:00
sandpoint.c	rename CFG_ macros to CONFIG_SYS	2008-10-18 21:54:03 +02:00
speed.h	Big white-space cleanup.	2008-05-21 00:14:08 +02:00

README

This port of U-Boot will run on a Motorola Sandpoint 3 development
system equipped with a Unity X4 PPMC card (MPC8240 CPU) only. It is a
snapshot of work in progress and far from being completed. In order
to run it on the target system, it has to be downloaded using the
DINK32 monitor program that came with your Sandpoint system. Please
note that DINK32 does not accept the S-Record file created by the
U-Boot build process unmodified, because it contains CR/LF line
terminators. You have to strip the CR characters first. There is a
tiny script named 'dinkdl' I created for this purpose.

The Sandpoint port is based on the work of Rob Taylor, who does not
seem to maintain it any more. I can be reached by mail as
tkoeller@gmx.net.

Thomas Koeller