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| author | danh-arm <dan.handley@arm.com> | 2016-12-14 09:25:15 +0000 |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2016-12-14 09:25:15 +0000 |
| commit | 9509f4f67acf949c21e2fcc0db7dbc6ffd43165f (patch) | |
| tree | 8d1bc2ce7bb183f78a4c90b85c97f32c6d214bc4 /lib/psci | |
| parent | 1b5fa6ef1082ffb9979df4aad91525eda571eb50 (diff) | |
| parent | 9f3ee61c904e4b6d2038086718c5ec4237d544a8 (diff) | |
Merge pull request #775 from soby-mathew/sm/AArch32_stack_align
AArch32: Fix the stack alignment issue
Diffstat (limited to 'lib/psci')
| -rw-r--r-- | lib/psci/aarch32/psci_helpers.S | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/lib/psci/aarch32/psci_helpers.S b/lib/psci/aarch32/psci_helpers.S index 27d651e3..5a41ff31 100644 --- a/lib/psci/aarch32/psci_helpers.S +++ b/lib/psci/aarch32/psci_helpers.S @@ -93,7 +93,8 @@ endfunc psci_do_pwrdown_cache_maintenance * ----------------------------------------------------------------------- */ func psci_do_pwrup_cache_maintenance - push {lr} + /* r12 is pushed to meet the 8 byte stack alignment requirement */ + push {r12, lr} /* --------------------------------------------- * Ensure any inflight stack writes have made it @@ -123,7 +124,7 @@ func psci_do_pwrup_cache_maintenance stcopr r0, SCTLR isb - pop {pc} + pop {r12, pc} endfunc psci_do_pwrup_cache_maintenance /* --------------------------------------------- |