diff options
Diffstat (limited to 'plat/arm/board/common/aarch32/board_arm_helpers.S')
| -rw-r--r-- | plat/arm/board/common/aarch32/board_arm_helpers.S | 31 |
1 files changed, 31 insertions, 0 deletions
diff --git a/plat/arm/board/common/aarch32/board_arm_helpers.S b/plat/arm/board/common/aarch32/board_arm_helpers.S new file mode 100644 index 00000000..d64da292 --- /dev/null +++ b/plat/arm/board/common/aarch32/board_arm_helpers.S @@ -0,0 +1,31 @@ +/* + * Copyright (c) 2016, 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. + * SYS_LED[0] - 0x0 + * SYS_LED[2:1] - 0x0 + * SYS_LED[7:3] - Exception Mode. + * Clobbers: r0-r1 + * ------------------------------------------------------- + */ +func plat_report_exception + lsl r0, r0, #V2M_SYS_LED_EC_SHIFT + ldr r1, =V2M_SYSREGS_BASE + add r1, r1, #V2M_SYS_LED + str r0, [r1] + bx lr +endfunc plat_report_exception |