diff options
| author | Etienne Carriere <etienne.carriere@linaro.org> | 2017-11-05 22:55:47 +0100 |
|---|---|---|
| committer | Etienne Carriere <etienne.carriere@linaro.org> | 2017-11-08 13:49:29 +0100 |
| commit | 0147bef523e27e26c0240fef4b47deca6720566c (patch) | |
| tree | f814f85c8fefbec6459e70737dd409e9ea7193b5 /include/common/aarch32 | |
| parent | 70896274bac4b2c420f115fb71a677e516048797 (diff) | |
ARMv7 does not support STL instruction
Also need to add a SEV instruction in ARMv7 spin_unlock which
is implicit in ARMv8.
Signed-off-by: Etienne Carriere <etienne.carriere@linaro.org>
Diffstat (limited to 'include/common/aarch32')
| -rw-r--r-- | include/common/aarch32/asm_macros.S | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/include/common/aarch32/asm_macros.S b/include/common/aarch32/asm_macros.S index f5737449..0d1a37d1 100644 --- a/include/common/aarch32/asm_macros.S +++ b/include/common/aarch32/asm_macros.S @@ -79,6 +79,15 @@ ldr r0, =(\_name + \_size) .endm +#if (ARM_ARCH_MAJOR == 7) + /* ARMv7 does not support stl instruction */ + .macro stl _reg, _write_lock + dmb + str \_reg, \_write_lock + dsb + .endm +#endif + /* * Helper macro to generate the best mov/movw/movt combinations * according to the value to be moved. |