feat(fgt2): add support for FEAT_FGT2
This patch disables trapping to EL3 when the FEAT_FGT2
specific trap registers are accessed by setting the
SCR_EL3.FGTEn2 bit
Signed-off-by: Arvind Ram Prakash <arvind.ramprakash@arm.com>
Change-Id: I6d2b614affb9067b2bc3d7bf0ae7d169d031592a
diff --git a/include/lib/extensions/fgt2.h b/include/lib/extensions/fgt2.h
new file mode 100644
index 0000000..0388d18
--- /dev/null
+++ b/include/lib/extensions/fgt2.h
@@ -0,0 +1,20 @@
+/*
+ * Copyright (c) 2024, Arm Limited. All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+#ifndef FGT2_H
+#define FGT2_H
+
+#include <context.h>
+
+#if ENABLE_FEAT_FGT2
+void fgt2_enable(cpu_context_t *ctx);
+#else
+static inline void fgt2_enable(cpu_context_t *ctx)
+{
+}
+#endif /* ENABLE_FEAT_FGT2 */
+
+#endif /* FGT2_H */