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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-21 17:43:51 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-21 17:43:51 +0000
commitbe58c81aff4cd4c0ccf43dbd7998da4a6a08c03b (patch)
tree779c248fb61c83f65d1f0dc867f2053d76b4e03a /bl1/aarch64/bl1_arch_setup.c
parentInitial commit. (diff)
downloadarm-trusted-firmware-upstream.tar.xz
arm-trusted-firmware-upstream.zip
Adding upstream version 2.10.0+dfsg.upstream/2.10.0+dfsgupstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'bl1/aarch64/bl1_arch_setup.c')
-rw-r--r--bl1/aarch64/bl1_arch_setup.c19
1 files changed, 19 insertions, 0 deletions
diff --git a/bl1/aarch64/bl1_arch_setup.c b/bl1/aarch64/bl1_arch_setup.c
new file mode 100644
index 0000000..f3de536
--- /dev/null
+++ b/bl1/aarch64/bl1_arch_setup.c
@@ -0,0 +1,19 @@
+/*
+ * Copyright (c) 2013-2019, ARM Limited and Contributors. All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+#include <arch.h>
+#include <arch_helpers.h>
+#include "../bl1_private.h"
+
+/*******************************************************************************
+ * Function that does the first bit of architectural setup that affects
+ * execution in the non-secure address space.
+ ******************************************************************************/
+void bl1_arch_setup(void)
+{
+ /* Set the next EL to be AArch64 */
+ write_scr_el3(read_scr_el3() | SCR_RW_BIT);
+}