From db9d55e2103351cfc8925aadaf5584fe84f61c9f Mon Sep 17 00:00:00 2001 From: Alistair Delva Date: Mon, 26 Sep 2022 20:47:55 +0000 Subject: [PATCH] spl: atf: Fix clang -Wasm-operand-widths warning common/spl/spl_atf.c:187:51: warning: value size does not match register size specified by the constraint and modifier [-Wasm-operand-widths] __asm__ __volatile__("msr DAIF, %0\n\t" : : "r" (daif) : "memory"); ^ common/spl/spl_atf.c:187:34: note: use constraint modifier "w" __asm__ __volatile__("msr DAIF, %0\n\t" : : "r" (daif) : "memory"); ^~ %w0 Use %x0 to match what Linux does in write_sysreg(). Signed-off-by: Alistair Delva Cc: Kever Yang Cc: Michael Walle Cc: Simon Glass Cc: Tom Rini Cc: Nick Desaulniers --- common/spl/spl_atf.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/common/spl/spl_atf.c b/common/spl/spl_atf.c index e1b68dd561..bae5c010c8 100644 --- a/common/spl/spl_atf.c +++ b/common/spl/spl_atf.c @@ -184,7 +184,7 @@ __weak struct bl_params *bl2_plat_get_bl31_params_v2(uintptr_t bl32_entry, static inline void raw_write_daif(unsigned int daif) { - __asm__ __volatile__("msr DAIF, %0\n\t" : : "r" (daif) : "memory"); + __asm__ __volatile__("msr DAIF, %x0\n\t" : : "r" (daif) : "memory"); } typedef void (*atf_entry_t)(struct bl31_params *params, void *plat_params); -- 2.39.5