diff options
Diffstat (limited to 'plat/arm/board/common/aarch64/board_arm_helpers.S')
| -rw-r--r-- | plat/arm/board/common/aarch64/board_arm_helpers.S | 33 |
1 files changed, 33 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 00000000..4385e62b --- /dev/null +++ b/plat/arm/board/common/aarch64/board_arm_helpers.S @@ -0,0 +1,33 @@ +/* + * Copyright (c) 2015, ARM Limited and Contributors. All rights reserved. + * + * SPDX-License-Identifier: BSD-3-Clause + */ +#include <asm_macros.S> +#include <bl_common.h> +#include <v2m_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 |