Add kdb_cpu_sync_icache(), intended to synchronize instruction

caches with data caches after writing to memory. This typically
is required to make breakpoints work on ia64 and powerpc. For
those architectures the function is implemented.

1 files changed, 5 insertions, 0 deletions

diff --git a/sys/sun4v/include/kdb.h b/sys/sun4v/include/kdb.h
index e5b39c04d2bb..92b2ed7d4e42 100644
--- a/sys/sun4v/include/kdb.h
+++ b/sys/sun4v/include/kdb.h
@@ -42,6 +42,11 @@ kdb_cpu_set_singlestep(void)
 }
 
 static __inline void
+kdb_cpu_sync_icache(unsigned char *addr, size_t size)
+{
+}
+
+static __inline void
 kdb_cpu_trap(int vector, int _)
 {
 	flushw();