lib/cpu.h: create a new libmetal API metal_yield

metal_yield would be managed at the OS level and dispatched to metal_cpu_yield, metal_sleep_usec, or others, it is more flexible to manage this in libmetal Signed-off-by: Yongrong Wang <wangyongrong@xiaomi.com>
OpenAMP · Oct 8, 2024 · f4af9f4 · f4af9f4
1 parent a4bce35
commit f4af9f4
Showing 1 changed file with 7 additions and 0 deletions.
diff --git a/lib/cpu.h b/lib/cpu.h
@@ -18,6 +18,13 @@
 # include <metal/processor/@PROJECT_PROCESSOR@/cpu.h>
 #else
 # include <metal/processor/generic/cpu.h>
+# include <metal/sleep.h>
+#endif
+
+#if defined(HAVE_PROCESSOR_CPU_H)
+#define metal_yield() metal_cpu_yield()
+#else
+#define metal_yield() metal_sleep_usec(1000)
 #endif
 
 #endif /* __METAL_CPU__H__ */