patrick/zephyr
1
0
Fork 0
Code Issues Pull requests Actions 8 Packages Projects Releases Wiki Activity

scripts/dts/extract: Fix handling of value extraction based on cells

Browse source 
If size or address cells happened to be 2 we'd get the wrong value since
we where shift the least significant 32-bit's up.  Adjust the math based
on the value of the cell amount to fix things.

Signed-off-by: Kumar Gala <kumar.gala@linaro.org>
This commit is contained in:
Kumar Gala 2018-09-20 08:22:29 -05:00 committed by Kumar Gala
parent 14ced2f021
commit c57f3a09bc
1 changed files with 2 additions and 2 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

4
scripts/dts/extract/reg.py
View file

@ -74,9 +74,9 @@ class DTReg(DTDirective):
name = []
for x in range(nr_address_cells):
addr += props.pop(0) << (32 * x)
addr += props.pop(0) << (32 * (nr_address_cells - x - 1))
for x in range(nr_size_cells):
size += props.pop(0) << (32 * x)
size += props.pop(0) << (32 * (nr_size_cells - x - 1))
l_addr_fqn = '_'.join(l_base + l_addr + l_idx)
l_size_fqn = '_'.join(l_base + l_size + l_idx)