zephyr-sys: Export irq_lock/unlock

These are macros in Zephyr, so write explicit wrappers for them, that
bindgen will be able to directly use.

Signed-off-by: David Brown <[email protected]>

Author: d3zd3z

zephyr-sys/build.rs

@@ -77,6 +77,7 @@ fn main() -> Result<()> {
         .allowlist_function("k_.*")
         .allowlist_function("gpio_.*")
         .allowlist_function("flash_.*")
+        .allowlist_function("zr_.*")
         .allowlist_item("GPIO_.*")
         .allowlist_item("FLASH_.*")
         .allowlist_item("Z_.*")

zephyr-sys/wrapper.h

@@ -42,6 +42,7 @@ extern int errno;
 #include <zephyr/logging/log.h>
 #include <zephyr/bluetooth/bluetooth.h>
 #include <zephyr/drivers/flash.h>
+#include <zephyr/irq.h>
 
 /*
  * bindgen will only output #defined constants that resolve to simple numbers.  These are some
@@ -61,3 +62,15 @@ const uint32_t ZR_POLL_TYPE_DATA_AVAILABLE = K_POLL_TYPE_DATA_AVAILABLE;
 const uint32_t ZR_GPIO_INT_MODE_DISABLE_ONLY = GPIO_INT_MODE_DISABLE_ONLY;
 const uint32_t ZR_GPIO_INT_MODE_ENABLE_ONLY = GPIO_INT_MODE_ENABLE_ONLY;
 #endif
+
+/*
+ * Zephyr's irq_lock() and irq_unlock() are macros not inline functions, so we need some inlines to
+ * access them.
+ */
+static inline int zr_irq_lock(void) {
+	return irq_lock();
+}
+
+static inline void zr_irq_unlock(int key) {
+	irq_unlock(key);
+}