1# 2# Copyright (c) 2015-2019, ARM Limited and Contributors. All rights reserved. 3# Copyright (c) 2020, NVIDIA Corporation. All rights reserved. 4# 5# SPDX-License-Identifier: BSD-3-Clause 6# 7 8SOC_DIR := plat/nvidia/tegra/soc/${TARGET_SOC} 9 10# dump the state on crash console 11CRASH_REPORTING := 1 12$(eval $(call add_define,CRASH_REPORTING)) 13 14# enable assert() for release/debug builds 15ENABLE_ASSERTIONS := 1 16PLAT_LOG_LEVEL_ASSERT := 50 17$(eval $(call add_define,PLAT_LOG_LEVEL_ASSERT)) 18 19# enable dynamic memory mapping 20PLAT_XLAT_TABLES_DYNAMIC := 1 21$(eval $(call add_define,PLAT_XLAT_TABLES_DYNAMIC)) 22 23# Enable exception handling at EL3 24EL3_EXCEPTION_HANDLING := 1 25GICV2_G0_FOR_EL3 := 1 26 27# Enable PSCI v1.0 extended state ID format 28PSCI_EXTENDED_STATE_ID := 1 29 30# code and read-only data should be put on separate memory pages 31SEPARATE_CODE_AND_RODATA := 1 32 33# do not use coherent memory 34USE_COHERENT_MEM := 0 35 36# do not enable SVE 37ENABLE_SVE_FOR_NS := 0 38 39# enable D-cache early during CPU warmboot 40WARMBOOT_ENABLE_DCACHE_EARLY := 1 41 42# remove the standard libc 43OVERRIDE_LIBC := 1 44 45# Flag to enable WDT FIQ interrupt handling for Tegra SoCs 46# prior to Tegra186 47ENABLE_TEGRA_WDT_LEGACY_FIQ_HANDLING ?= 0 48 49# Flag to allow relocation of BL32 image to TZDRAM during boot 50RELOCATE_BL32_IMAGE ?= 0 51 52# Enable stack protection 53ENABLE_STACK_PROTECTOR := strong 54 55# Enable SDEI 56SDEI_SUPPORT := 1 57 58# modify BUILD_PLAT to point to SoC specific build directory 59BUILD_PLAT := ${BUILD_BASE}/${PLAT}/${TARGET_SOC}/${BUILD_TYPE} 60 61include plat/nvidia/tegra/common/tegra_common.mk 62include ${SOC_DIR}/platform_${TARGET_SOC}.mk 63 64$(eval $(call add_define,ENABLE_TEGRA_WDT_LEGACY_FIQ_HANDLING)) 65$(eval $(call add_define,RELOCATE_BL32_IMAGE)) 66 67# platform cflags (enable signed comparisons, disable stdlib) 68TF_CFLAGS += -nostdlib 69 70# override with necessary libc files for the Tegra platform 71override LIBC_SRCS := $(addprefix lib/libc/, \ 72 aarch64/setjmp.S \ 73 assert.c \ 74 memchr.c \ 75 memcmp.c \ 76 memcpy.c \ 77 memmove.c \ 78 memset.c \ 79 printf.c \ 80 putchar.c \ 81 strrchr.c \ 82 strlen.c \ 83 snprintf.c) 84 85INCLUDES += -Iinclude/lib/libc \ 86 -Iinclude/lib/libc/$(ARCH) \ 87 88ifneq ($(findstring armlink,$(notdir $(LD))),) 89# o suppress warnings for section mismatches, undefined symbols 90# o use only those libraries that are specified in the input file 91# list to resolve references 92# o create a static callgraph of functions 93# o resolve undefined symbols to el3_panic 94# o include only required sections 95TF_LDFLAGS += --diag_suppress=L6314,L6332 --no_scanlib --callgraph 96TF_LDFLAGS += --keep="*(__pubsub*)" --keep="*(rt_svc_descs*)" --keep="*(*cpu_ops)" 97ifeq (${ENABLE_PMF},1) 98TF_LDFLAGS += --keep="*(*pmf_svc_descs*)" 99endif 100endif 101