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Forward declare __sev(), __wfe(), __wfi() (#2658)
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If the compiler in use offers __sev(), __wfe(), or __wfi(), forward
declare them to be sure they're available for use.
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armandomontanez 2025-09-15 11:14:08 -07:00 • committed by GitHub
parent 6b395cce04
commit 8fcd44a171
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src/rp2_common/hardware_sync/include/hardware/sync.h
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@ -94,6 +94,9 @@ __force_inline static void __sev(void) {
pico_default_asm_volatile ("sev"); pico_default_asm_volatile ("sev");
#endif #endif
} }
#else
// Forward declare so we don't have to #include <arm_acle.h>.
void __sev(void);
#endif #endif
/*! \brief Insert a WFE instruction in to the code path. /*! \brief Insert a WFE instruction in to the code path.
@ -110,6 +113,9 @@ __force_inline static void __wfe(void) {
pico_default_asm_volatile ("wfe"); pico_default_asm_volatile ("wfe");
#endif #endif
} }
#else
// Forward declare so we don't have to #include <arm_acle.h>.
void __wfe(void);
#endif #endif
/*! \brief Insert a WFI instruction in to the code path. /*! \brief Insert a WFI instruction in to the code path.
@ -121,6 +127,9 @@ __force_inline static void __wfe(void) {
__force_inline static void __wfi(void) { __force_inline static void __wfi(void) {
pico_default_asm_volatile("wfi"); pico_default_asm_volatile("wfi");
} }
#else
// Forward declare so we don't have to #include <arm_acle.h>.
void __wfi(void);
#endif #endif
/*! \brief Insert a DMB instruction in to the code path. /*! \brief Insert a DMB instruction in to the code path.