520f864e66
A bug recently fixed in bl2/aarch32/bl2_el3_entrypoint.S relates to
programming the lower-order 16 bits of the SPSR to populate into the CPSR
on eret.
The BL1 smc-handler code is identical and has the same shortfall in
programming the SPSR from the platform defined struct
entry_point_info->spsr.
msr spsr, r1 will only update bits f->[31:24] and c->[7:0] respectively. In
order to ensure the 16 lower-order processor mode bits x->[15:8] and
c->[7:0] this patch changes msr spsr, r1 to msr spsr_xc, r1.
This change ensures we capture the x field, which we are interested in and
not the f field which we are not.
Fixes:
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|---|---|---|
| .. | ||
| aarch32 | ||
| aarch64 | ||
| tbbr | ||
| bl1.ld.S | ||
| bl1.mk | ||
| bl1_fwu.c | ||
| bl1_main.c | ||
| bl1_private.h | ||