diff options
Diffstat (limited to 'include/lib/aarch32/smcc_macros.S')
| -rw-r--r-- | include/lib/aarch32/smcc_macros.S | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/include/lib/aarch32/smcc_macros.S b/include/lib/aarch32/smcc_macros.S index c80c3e47..4d329f5d 100644 --- a/include/lib/aarch32/smcc_macros.S +++ b/include/lib/aarch32/smcc_macros.S @@ -109,7 +109,13 @@ msr spsr_und, r9 msr sp_und, r10 msr lr_und, r11 - msr spsr, r12 + /* + * Use the `_fsxc` suffix explicitly to instruct the assembler + * to update all the 32 bits of SPSR. Else, by default, the + * assembler assumes `_fc` suffix which only modifies + * f->[31:24] and c->[7:0] bits of SPSR. + */ + msr spsr_fsxc, r12 /* Restore the rest of the general purpose registers */ ldm r0, {r0-r12} |