1 files changed, 51 insertions, 0 deletions
diff --git a/lib/extensions/ras/ras_common.c b/lib/extensions/ras/ras_common.c
new file mode 100644
index 000000000..2e316edae
--- /dev/null
+++ b/lib/extensions/ras/ras_common.c
@@ -0,0 +1,51 @@
+/*
+ * Copyright (c) 2018, ARM Limited and Contributors. All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+#include <arch_helpers.h>
+#include <debug.h>
+#include <ea_handle.h>
+#include <ehf.h>
+#include <platform.h>
+#include <ras.h>
+#include <ras_arch.h>
+
+/* Handler that receives External Aborts on RAS-capable systems */
+int ras_ea_handler(unsigned int ea_reason, uint64_t syndrome, void *cookie,
+		void *handle, uint64_t flags)
+{
+	unsigned int i, n_handled = 0, ret;
+	int probe_data;
+	struct err_record_info *info;
+
+	const struct err_handler_data err_data = {
+		.version = ERR_HANDLER_VERSION,
+		.ea_reason = ea_reason,
+		.syndrome = syndrome,
+		.flags = flags,
+		.cookie = cookie,
+		.handle = handle
+	};
+
+	for_each_err_record_info(i, info) {
+		assert(info->probe != NULL);
+		assert(info->handler != NULL);
+
+		/* Continue probing until the record group signals no error */
+		while (1) {
+			if (info->probe(info, &probe_data) == 0)
+				break;
+
+			/* Handle error */
+			ret = info->handler(info, probe_data, &err_data);
+			if (ret != 0)
+				return ret;
+
+			n_handled++;
+		}
+	}
+
+	return (n_handled != 0);
+}