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Forward declare __sev(), __wfe(), __wfi() #2658

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Merged
merged 1 commit into from
Sep 15, 2025
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Forward declare __sev(), __wfe(), __wfi() #2658

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9 changes: 9 additions & 0 deletions src/rp2_common/hardware_sync/include/hardware/sync.h
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Original file line number Diff line number Diff line change
Expand Up @@ -94,6 +94,9 @@ __force_inline static void __sev(void) {
pico_default_asm_volatile ("sev");
#endif
}
#else
// Forward declare so we don't have to #include <arm_acle.h>.
void __sev(void);
#endif

/*! \brief Insert a WFE instruction in to the code path.
Expand All @@ -110,6 +113,9 @@ __force_inline static void __wfe(void) {
pico_default_asm_volatile ("wfe");
#endif
}
#else
// Forward declare so we don't have to #include <arm_acle.h>.
void __wfe(void);
#endif

/*! \brief Insert a WFI instruction in to the code path.
Expand All @@ -121,6 +127,9 @@ __force_inline static void __wfe(void) {
__force_inline static void __wfi(void) {
pico_default_asm_volatile("wfi");
}
#else
// Forward declare so we don't have to #include <arm_acle.h>.
void __wfi(void);
#endif

/*! \brief Insert a DMB instruction in to the code path.
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