On 01/01/2020 07:38, Niteesh wrote: > How to turn off optimizations, while debugging some of the variables get > optimized out.
First: Great that it works now. Regarding optimization: Do a export CFLAGS_OPTIMIZE_V="-O0 -g" before configure and make. Alternatively change it in bsps/arm/raspberrypi/config/raspberrypi.inc but be careful to not commit that change. > > On Wed, Jan 1, 2020 at 12:02 PM Niteesh <gsnb...@gmail.com > <mailto:gsnb...@gmail.com>> wrote: > > Good news, The FDT works. For testing purposes, I used a different > DTB file provided by > raspberrpi foundation. It has a different structure than the DTB > from FreeBSD, so I modified the > initialization code a little bit, but anyhow it works, the registers > are initialized from the DTB file. But they are > virtual addresses we need to offset them before initializing the > registers. > > (gdb) p pl011_context > $23 = {base = {lock = {interrupt = {<No data fields>}, mutex = > {_Queue = {_Lock = {_next_ticket = 0, > _now_serving = 0}, _heads = 0x0, _owner = 0x0, _name = > 0x0}}}, > lock_acquire = 0x2095d1 <rtems_termios_device_lock_acquire_default>, > lock_release = 0x2095e1 > <rtems_termios_device_lock_release_default>},*regs = 0x7e201000*, > irq = 0, > initial_baud = 0} > (gdb) > > I will add the offset function, and send in the patch. I am also > planning to replace a manual search with > fdt_node_offset_by_compatible. > _______________________________________________ devel mailing list devel@rtems.org http://lists.rtems.org/mailman/listinfo/devel