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Diffstat (limited to '')
| -rw-r--r-- | plat/arm/board/fvp/include/plat_macros.S | 42 |
1 files changed, 42 insertions, 0 deletions
diff --git a/plat/arm/board/fvp/include/plat_macros.S b/plat/arm/board/fvp/include/plat_macros.S new file mode 100644 index 0000000..57f5924 --- /dev/null +++ b/plat/arm/board/fvp/include/plat_macros.S @@ -0,0 +1,42 @@ +/* + * Copyright (c) 2014-2017, ARM Limited and Contributors. All rights reserved. + * + * SPDX-License-Identifier: BSD-3-Clause + */ +#ifndef PLAT_MACROS_S +#define PLAT_MACROS_S + +#include <arm_macros.S> +#include <platform_def.h> + + /* --------------------------------------------- + * The below required platform porting macro + * prints out relevant GIC registers whenever an + * unhandled exception is taken in BL31. + * Clobbers: x0 - x10, x16, x17, sp + * --------------------------------------------- + */ + .macro plat_crash_print_regs + /* + * Detect if we're using the base memory map or + * the legacy VE memory map + */ + mov_imm x0, (V2M_SYSREGS_BASE + V2M_SYS_ID) + ldr w16, [x0] + /* Extract BLD (12th - 15th bits) from the SYS_ID */ + ubfx x16, x16, #V2M_SYS_ID_BLD_SHIFT, #4 + /* Check if VE mmap */ + cmp w16, #BLD_GIC_VE_MMAP + b.eq use_ve_mmap + /* Assume Base Cortex mmap */ + mov_imm x17, BASE_GICC_BASE + mov_imm x16, BASE_GICD_BASE + b print_gic_regs +use_ve_mmap: + mov_imm x17, VE_GICC_BASE + mov_imm x16, VE_GICD_BASE +print_gic_regs: + arm_print_gic_regs + .endm + +#endif /* PLAT_MACROS_S */ |