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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-28 09:13:47 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-28 09:13:47 +0000
commit102b0d2daa97dae68d3eed54d8fe37a9cc38a892 (patch)
treebcf648efac40ca6139842707f0eba5a4496a6dd2 /plat/arm/board/common/aarch64/board_arm_helpers.S
parentInitial commit. (diff)
downloadarm-trusted-firmware-102b0d2daa97dae68d3eed54d8fe37a9cc38a892.tar.xz
arm-trusted-firmware-102b0d2daa97dae68d3eed54d8fe37a9cc38a892.zip
Adding upstream version 2.8.0+dfsg.upstream/2.8.0+dfsgupstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to '')
-rw-r--r--plat/arm/board/common/aarch64/board_arm_helpers.S34
1 files changed, 34 insertions, 0 deletions
diff --git a/plat/arm/board/common/aarch64/board_arm_helpers.S b/plat/arm/board/common/aarch64/board_arm_helpers.S
new file mode 100644
index 0000000..cde6b00
--- /dev/null
+++ b/plat/arm/board/common/aarch64/board_arm_helpers.S
@@ -0,0 +1,34 @@
+/*
+ * Copyright (c) 2015, ARM Limited and Contributors. All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+#include <asm_macros.S>
+#include <common/bl_common.h>
+#include <platform_def.h>
+
+ .globl plat_report_exception
+
+
+ /* ---------------------------------------------
+ * void plat_report_exception(unsigned int type)
+ * Function to report an unhandled exception
+ * with platform-specific means.
+ * On FVP platform, it updates the LEDs
+ * to indicate where we are
+ * ---------------------------------------------
+ */
+func plat_report_exception
+ mrs x1, CurrentEl
+ lsr x1, x1, #MODE_EL_SHIFT
+ lsl x1, x1, #V2M_SYS_LED_EL_SHIFT
+ lsl x0, x0, #V2M_SYS_LED_EC_SHIFT
+ mov x2, #(SECURE << V2M_SYS_LED_SS_SHIFT)
+ orr x0, x0, x2
+ orr x0, x0, x1
+ mov x1, #V2M_SYSREGS_BASE
+ add x1, x1, #V2M_SYS_LED
+ str w0, [x1]
+ ret
+endfunc plat_report_exception