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| H A D | arm64_user_sysreg.h | 70ed8fd581d42b7b86c4da682a4aa160ae4f5b89 Fri Mar 06 15:51:09 UTC 2020 Jerome Forissier <jerome@forissier.org> libutee: arm64: update register accessor macros to support Clang
When building a 64-bit TA that includes <arm64_user_sysreg.h>, Clang
complains about ASM operand width:
lib/libutee/include/arm64_user_sysreg.h:31:1: error: value size does not match register size specified by the constraint and modifier [-Werror,-Wasm-operand-widths]
DEFINE_REG_READ_FUNC_(cntfrq, uint32_t, cntfrq_el0)
^
lib/libutee/include/arm64_user_sysreg.h:20:42: note: expanded from macro 'DEFINE_REG_READ_FUNC_'
asm volatile("mrs %0, " #asmreg : "=r" (val)); \
^
lib/libutee/include/arm64_user_sysreg.h:31:1: note: use constraint modifier "w"
lib/libutee/include/arm64_user_sysreg.h:20:20: note: expanded from macro 'DEFINE_REG_READ_FUNC_'
asm volatile("mrs %0, " #asmreg : "=r" (val)); \
^
Let's apply the same fix as in commit 16e2153c57f0 ("core: arm64:
update register accessor macros to support Clang").
Signed-off-by: Jerome Forissier <jerome@forissier.org>
Reviewed-by: Jens Wiklander <jens.wiklander@linaro.org>
Acked-by: Etienne Carriere <etienne.carriere@linaro.org>
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