On Thu, May 31, 2018 at 06:02:24PM +0200, Marek Vasut wrote: > The SPL loaders assume that the CONFIG_SYS_TEXT_BASE memory location > is available and can be corrupted by loading ie. uImage or fitImage > headers there. Sometimes it could be beneficial to load the headers > elsewhere, ie. if CONFIG_SYS_TEXT_BASE is not yet writable while we > still want to parse the image headers in some local onchip memory to > ie. extract firmware from that image. > > Add the possibility to override the location where the headers get > loaded by introducing new function, spl_get_load_buffer() which takes > two arguments -- offset from the CONFIG_SYS_TEXT_BASE and size of the > data that are to be loaded there -- and returns a valid buffer address > or hangs the system. The default behavior is the same as before, add > the offset to CONFIG_SYS_TEXT_BASE and return that address. User can > override the weak spl_get_load_buffer() function though. > > Signed-off-by: Marek Vasut <ma...@denx.de> > Cc: Tom Rini <tr...@konsulko.com>
This adds a number of warnings like: w+(xilinx_zynqmp_zc1275_revA) common/spl/spl.c: In function 'spl_get_load_buffer': w+(xilinx_zynqmp_zc1275_revA) common/spl/spl.c:127:9: warning: cast to pointer from integer of different size [-Wint-to-pointer-cast] w+(xilinx_zynqmp_zc1275_revA) common/spl/spl_ram.c: In function 'spl_ram_load_image': w+(xilinx_zynqmp_zc1275_revA) common/spl/spl_ram.c:66:33: warning: overflow in implicit constant conversion [-Woverflow] -- Tom
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