Merge pull request #550 from antonio-nino-diaz-arm/an/dead_loops

Remove all non-configurable dead loops

1 files changed, 14 insertions, 0 deletions

diff --git a/docs/porting-guide.md b/docs/porting-guide.md
index 741ee207..bd1b4489 100644
--- a/docs/porting-guide.md
+++ b/docs/porting-guide.md
@@ -783,6 +783,20 @@ Possible errors reported by the generic code are:
 
 The default implementation simply spins.
 
+### Function : plat_panic_handler()
+
+    Argument : void
+    Return   : void
+
+This API is called when the generic code encounters an unexpected error
+situation from which it cannot recover. This function must not return,
+and must be implemented in assembly because it may be called before the C
+environment is initialized.
+
+Note: The address from where it was called is stored in x30 (Link Register).
+
+The default implementation simply spins.
+
 
 3.  Modifications specific to a Boot Loader stage
 -------------------------------------------------