Signed-off-by: Tom Rini <tr...@ti.com> --- doc/README.commands | 6 ++++++ 1 file changed, 6 insertions(+)
diff --git a/doc/README.commands b/doc/README.commands index 27815d2..21abfb6 100644 --- a/doc/README.commands +++ b/doc/README.commands @@ -22,6 +22,12 @@ This makes it possible for the final link to extract all commands compiled into any object code and construct a static array so the command can be found in an array starting at __u_boot_cmd_start. +To ensure that the linker does not discard these symbols when linking +full U-Boot we use generate a list of all of the commands and force the +linker to first enter the symbol as undefined in the object so that +there is then a need for the symbol to be kept (UNDEF_SYM in the +Makefile). + If a new board is defined do not forget to define the command section by writing in u-boot.lds ($(TOPDIR)/board/boardname/u-boot.lds) these 3 lines: -- 1.7.9.5 _______________________________________________ U-Boot mailing list U-Boot@lists.denx.de http://lists.denx.de/mailman/listinfo/u-boot
