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-rw-r--r--lib/bl_aux_params/bl_aux_params.c35
1 files changed, 35 insertions, 0 deletions
diff --git a/lib/bl_aux_params/bl_aux_params.c b/lib/bl_aux_params/bl_aux_params.c
new file mode 100644
index 0000000..7f357b7
--- /dev/null
+++ b/lib/bl_aux_params/bl_aux_params.c
@@ -0,0 +1,35 @@
+/*
+ * Copyright (c) 2019, ARM Limited and Contributors. All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+#include <inttypes.h>
+#include <stdint.h>
+
+#include <common/debug.h>
+#include <lib/coreboot.h>
+#include <lib/bl_aux_params/bl_aux_params.h>
+
+void bl_aux_params_parse(u_register_t head,
+ bl_aux_param_handler_t handler)
+{
+ struct bl_aux_param_header *p;
+
+ for (p = (void *)head; p; p = (void *)(uintptr_t)p->next) {
+ if (handler && handler(p))
+ continue;
+
+ switch (p->type) {
+#if COREBOOT
+ case BL_AUX_PARAM_COREBOOT_TABLE:
+ coreboot_table_setup((void *)(uintptr_t)
+ ((struct bl_aux_param_uint64 *)p)->value);
+ break;
+#endif
+ default:
+ ERROR("Ignoring unknown BL aux parameter: 0x%" PRIx64,
+ p->type);
+ break;
+ }
+ }
+}