#
# Copyright (c) 2015-2023, Arm Limited and Contributors. All rights reserved.
#
# Copyright (c) 2017-2023 Nuvoton Ltd.
#
# SPDX-License-Identifier: BSD-3-Clause
#

# This is a debug flag for bring-up. It allows reducing CPU numbers
# SECONDARY_BRINGUP	:=	1
RESET_TO_BL31	:=	1
SPMD_SPM_AT_SEL2	:= 0
#temporary until the RAM size is reduced
USE_COHERENT_MEM	:=	1
INIT_UNUSED_NS_EL2  := 1


$(eval $(call add_define,RESET_TO_BL31))

ifeq (${ARCH}, aarch64)
# On ARM standard platorms, the TSP can execute from Trusted SRAM,
# Trusted DRAM (if available) or the TZC secured area of DRAM.
# TZC secured DRAM is the default.

ARM_TSP_RAM_LOCATION	?=	dram

ifeq (${ARM_TSP_RAM_LOCATION}, tsram)
ARM_TSP_RAM_LOCATION_ID	=	ARM_TRUSTED_SRAM_ID
else ifeq (${ARM_TSP_RAM_LOCATION}, tdram)
ARM_TSP_RAM_LOCATION_ID	=	ARM_TRUSTED_DRAM_ID
else ifeq (${ARM_TSP_RAM_LOCATION}, dram)
ARM_TSP_RAM_LOCATION_ID	=	ARM_DRAM_ID
else
$(error "Unsupported ARM_TSP_RAM_LOCATION value")
endif

# Process flags
# Process ARM_BL31_IN_DRAM flag
ARM_BL31_IN_DRAM	:=	0
$(eval $(call assert_boolean,ARM_BL31_IN_DRAM))
$(eval $(call add_define,ARM_BL31_IN_DRAM))
else
ARM_TSP_RAM_LOCATION_ID	=	ARM_TRUSTED_SRAM_ID
endif

$(eval $(call add_define,ARM_TSP_RAM_LOCATION_ID))

# For the original power-state parameter format, the State-ID can be encoded
# according to the recommended encoding or zero. This flag determines which
# State-ID encoding to be parsed.
ARM_RECOM_STATE_ID_ENC	:=	0

# If the PSCI_EXTENDED_STATE_ID is set, then ARM_RECOM_STATE_ID_ENC
# need to be set. Else throw a build error.
ifeq (${PSCI_EXTENDED_STATE_ID}, 1)
ifeq (${ARM_RECOM_STATE_ID_ENC}, 0)
$(error Build option ARM_RECOM_STATE_ID_ENC needs to be set if \
	PSCI_EXTENDED_STATE_ID is set for ARM platforms)
endif
endif

# Process ARM_RECOM_STATE_ID_ENC flag
$(eval $(call assert_boolean,ARM_RECOM_STATE_ID_ENC))
$(eval $(call add_define,ARM_RECOM_STATE_ID_ENC))

# Process ARM_DISABLE_TRUSTED_WDOG flag
# By default, Trusted Watchdog is always enabled unless SPIN_ON_BL1_EXIT is set
ARM_DISABLE_TRUSTED_WDOG	:=	0
ifeq (${SPIN_ON_BL1_EXIT}, 1)
ARM_DISABLE_TRUSTED_WDOG	:=	1
endif
$(eval $(call assert_boolean,ARM_DISABLE_TRUSTED_WDOG))
$(eval $(call add_define,ARM_DISABLE_TRUSTED_WDOG))

# Process ARM_CONFIG_CNTACR
ARM_CONFIG_CNTACR	:=	1
$(eval $(call assert_boolean,ARM_CONFIG_CNTACR))
$(eval $(call add_define,ARM_CONFIG_CNTACR))

# Process ARM_BL31_IN_DRAM flag
ARM_BL31_IN_DRAM	:=	0
$(eval $(call assert_boolean,ARM_BL31_IN_DRAM))
$(eval $(call add_define,ARM_BL31_IN_DRAM))

# Process ARM_PLAT_MT flag
ARM_PLAT_MT	:=	0
$(eval $(call assert_boolean,ARM_PLAT_MT))
$(eval $(call add_define,ARM_PLAT_MT))

# Use translation tables library v2 by default
ARM_XLAT_TABLES_LIB_V1	:=	0
$(eval $(call assert_boolean,ARM_XLAT_TABLES_LIB_V1))
$(eval $(call add_define,ARM_XLAT_TABLES_LIB_V1))

# Don't have the Linux kernel as a BL33 image by default
ARM_LINUX_KERNEL_AS_BL33	:=	0
$(eval $(call assert_boolean,ARM_LINUX_KERNEL_AS_BL33))
$(eval $(call add_define,ARM_LINUX_KERNEL_AS_BL33))

ifeq (${ARM_LINUX_KERNEL_AS_BL33},1)
ifeq (${ARCH},aarch64)
ifneq (${RESET_TO_BL31},1)
$(error "ARM_LINUX_KERNEL_AS_BL33 is only available if RESET_TO_BL31=1.")
endif
else
ifneq (${RESET_TO_SP_MIN},1)
$(error "ARM_LINUX_KERNEL_AS_BL33 is only available if RESET_TO_SP_MIN=1.")
endif
endif

ifndef PRELOADED_BL33_BASE
$(error "PRELOADED_BL33_BASE must be set if ARM_LINUX_KERNEL_AS_BL33 is used.")
endif

ifndef ARM_PRELOADED_DTB_BASE
$(error "ARM_PRELOADED_DTB_BASE must be set if ARM_LINUX_KERNEL_AS_BL33 is used.")
endif

$(eval $(call add_define,ARM_PRELOADED_DTB_BASE))
endif

# Use an implementation of SHA-256 with a smaller memory footprint
# but reduced speed.
$(eval $(call add_define,MBEDTLS_SHA256_SMALLER))

# Add the build options to pack Trusted OS Extra1 and Trusted OS Extra2 images
# in the FIP if the platform requires.
ifneq ($(BL32_EXTRA1),)
$(eval $(call TOOL_ADD_IMG,bl32_extra1,--tos-fw-extra1))
endif
ifneq ($(BL32_EXTRA2),)
$(eval $(call TOOL_ADD_IMG,bl32_extra2,--tos-fw-extra2))
endif

# Enable PSCI_STAT_COUNT/RESIDENCY APIs on ARM platforms
ENABLE_PSCI_STAT	:=	1
ENABLE_PMF		:=	1

# On ARM platforms, separate the code and read-only data sections to allow
# mapping the former as executable and the latter as execute-never.
SEPARATE_CODE_AND_RODATA	:=	1

# On ARM platforms, disable SEPARATE_NOBITS_REGION by default. Both PROGBITS
# and NOBITS sections of BL31 image are adjacent to each other and loaded
# into Trusted SRAM.
SEPARATE_NOBITS_REGION	:=	0

# In order to support SEPARATE_NOBITS_REGION for Arm platforms, we need to load
# BL31 PROGBITS into secure DRAM space and BL31 NOBITS into SRAM. Hence mandate
# the build to require that ARM_BL31_IN_DRAM is enabled as well.
ifeq ($(SEPARATE_NOBITS_REGION),1)
ifneq ($(ARM_BL31_IN_DRAM),1)
$(error For SEPARATE_NOBITS_REGION, ARM_BL31_IN_DRAM must be enabled)
endif

ifneq ($(RECLAIM_INIT_CODE),0)
$(error For SEPARATE_NOBITS_REGION, RECLAIM_INIT_CODE cannot be supported)
endif
endif

# Disable ARM Cryptocell by default
ARM_CRYPTOCELL_INTEG	:=	0
$(eval $(call assert_boolean,ARM_CRYPTOCELL_INTEG))
$(eval $(call add_define,ARM_CRYPTOCELL_INTEG))

# Enable PIE support for RESET_TO_BL31 case
ifeq (${RESET_TO_BL31},1)
ENABLE_PIE	:=	1
endif

# CryptoCell integration relies on coherent buffers for passing data from
# the AP CPU to the CryptoCell

ifeq (${ARM_CRYPTOCELL_INTEG},1)
ifeq (${USE_COHERENT_MEM},0)
$(error "ARM_CRYPTOCELL_INTEG needs USE_COHERENT_MEM to be set.")
endif
endif

PLAT_INCLUDES	:=	-Iinclude/plat/nuvoton/npcm845x \
		-Iinclude/plat/nuvoton/common \
		-Iinclude/drivers/nuvoton/npcm845x \

ifeq (${ARCH}, aarch64)
PLAT_INCLUDES	+=	-Iinclude/plat/arm/common/aarch64
endif

# Include GICv3 driver files
include drivers/arm/gic/v2/gicv2.mk

NPCM850_GIC_SOURCES	:=	${GICV2_SOURCES}

BL31_SOURCES	+=lib/cpus/aarch64/cortex_a35.S \
		plat/common/plat_psci_common.c \
		drivers/ti/uart/aarch64/16550_console.S \
		plat/nuvoton/npcm845x/npcm845x_psci.c \
		plat/nuvoton/npcm845x/npcm845x_serial_port.c \
		plat/nuvoton/common/nuvoton_topology.c \
		plat/nuvoton/npcm845x/npcm845x_bl31_setup.c

PLAT_BL_COMMON_SOURCES	:=	drivers/delay_timer/delay_timer.c \
		drivers/delay_timer/generic_delay_timer.c \
		plat/common/plat_gicv2.c \
		plat/arm/common/arm_gicv2.c \
		plat/nuvoton/common/plat_nuvoton_gic.c \
		${NPCM850_GIC_SOURCES} \
		plat/nuvoton/npcm845x/npcm845x_common.c \
		plat/nuvoton/common/nuvoton_helpers.S \
		lib/semihosting/semihosting.c \
		lib/semihosting/${ARCH}/semihosting_call.S \
		plat/arm/common/arm_common.c \
		plat/arm/common/arm_console.c

ifeq (${ARM_XLAT_TABLES_LIB_V1}, 1)
PLAT_BL_COMMON_SOURCES	+=	lib/xlat_tables/xlat_tables_common.c \
		lib/xlat_tables/${ARCH}/xlat_tables.c
else
include lib/xlat_tables_v2/xlat_tables.mk

PLAT_BL_COMMON_SOURCES	+=	${XLAT_TABLES_LIB_SRCS}
endif

ARM_IO_SOURCES	+=	plat/arm/common/arm_io_storage.c \
		plat/arm/common/fconf/arm_fconf_io.c

ifeq (${SPD},spmd)
ifeq (${SPMD_SPM_AT_SEL2},1)
ARM_IO_SOURCES	+=	plat/arm/common/fconf/arm_fconf_sp.c
endif
endif

BL1_SOURCES	+=	drivers/io/io_fip.c \
		drivers/io/io_memmap.c \
		drivers/io/io_storage.c \
		plat/arm/common/arm_bl1_setup.c \
		plat/arm/common/arm_err.c \
		${ARM_IO_SOURCES}

ifdef EL3_PAYLOAD_BASE
# Need the plat_arm_program_trusted_mailbox() function to release secondary CPUs
# from their holding pen
BL1_SOURCES	+=	plat/arm/common/arm_pm.c
endif

BL2_SOURCES	+=	drivers/delay_timer/delay_timer.c \
		drivers/delay_timer/generic_delay_timer.c \
		drivers/io/io_fip.c \
		drivers/io/io_memmap.c \
		drivers/io/io_storage.c \
		plat/arm/common/arm_bl2_setup.c \
		plat/arm/common/arm_err.c \
		${ARM_IO_SOURCES}

# Firmware Configuration Framework sources
include lib/fconf/fconf.mk

# Add `libfdt` and Arm common helpers required for Dynamic Config
include lib/libfdt/libfdt.mk

DYN_CFG_SOURCES	+=	plat/arm/common/arm_dyn_cfg.c \
		plat/arm/common/arm_dyn_cfg_helpers.c \
		common/fdt_wrappers.c

BL1_SOURCES	+=	${DYN_CFG_SOURCES}
BL2_SOURCES	+=	${DYN_CFG_SOURCES}

ifeq (${BL2_AT_EL3},1)
BL2_SOURCES	+=	plat/arm/common/arm_bl2_el3_setup.c
endif

# Because BL1/BL2 execute in AArch64 mode but BL32 in AArch32 we need to use
# the AArch32 descriptors.
BL2_SOURCES	+=	plat/arm/common/${ARCH}/arm_bl2_mem_params_desc.c
BL2_SOURCES	+=	plat/arm/common/arm_image_load.c \
		common/desc_image_load.c

ifeq (${SPD},opteed)
BL2_SOURCES	+=	lib/optee/optee_utils.c
endif

BL2U_SOURCES	+=	drivers/delay_timer/delay_timer.c \
		drivers/delay_timer/generic_delay_timer.c \
		plat/arm/common/arm_bl2u_setup.c

BL31_SOURCES	+=	plat/arm/common/arm_bl31_setup.c \
		plat/nuvoton/common/nuvoton_pm.c \
		plat/nuvoton/common/nuvoton_topology.c \
		plat/common/plat_psci_common.c

ifeq (${ENABLE_PMF}, 1)
ifeq (${ARCH}, aarch64)
BL31_SOURCES	+=	plat/arm/common/aarch64/execution_state_switch.c \
		plat/arm/common/arm_sip_svc.c \
		plat/arm/common/plat_arm_sip_svc.c \
		lib/pmf/pmf_smc.c
else
BL32_SOURCES	+=	plat/arm/common/arm_sip_svc.c \
		plat/arm/common/plat_arm_sip_svc.c \
		lib/pmf/pmf_smc.c
endif
endif

ifeq (${EL3_EXCEPTION_HANDLING},1)
BL31_SOURCES	+=	plat/arm/common/aarch64/arm_ehf.c
endif

ifeq (${SDEI_SUPPORT},1)
BL31_SOURCES	+=	plat/arm/common/aarch64/arm_sdei.c
ifeq (${SDEI_IN_FCONF},1)
BL31_SOURCES	+=	plat/arm/common/fconf/fconf_sdei_getter.c
endif
endif

# RAS sources
ifeq (${RAS_EXTENSION},1)
BL31_SOURCES	+=	lib/extensions/ras/std_err_record.c \
		lib/extensions/ras/ras_common.c
endif

# Pointer Authentication sources
ifeq (${ENABLE_PAUTH}, 1)
PLAT_BL_COMMON_SOURCES	+=	plat/arm/common/aarch64/arm_pauth.c \
		lib/extensions/pauth/pauth_helpers.S
endif

ifeq (${SPD},spmd)
BL31_SOURCES	+=	plat/common/plat_spmd_manifest.c \
		common/fdt_wrappers.c \
		${LIBFDT_SRCS}
endif

ifneq (${TRUSTED_BOARD_BOOT},0)
# Include common TBB sources
AUTH_SOURCES	:=	drivers/auth/auth_mod.c \
		drivers/auth/crypto_mod.c \
		drivers/auth/img_parser_mod.c \
		lib/fconf/fconf_tbbr_getter.c

# Include the selected chain of trust sources.
ifeq (${COT},tbbr)
AUTH_SOURCES	+=	drivers/auth/tbbr/tbbr_cot_common.c
BL1_SOURCES	+=	drivers/auth/tbbr/tbbr_cot_bl1.c
BL2_SOURCES	+=	drivers/auth/tbbr/tbbr_cot_bl2.c
else ifeq (${COT},dualroot)
AUTH_SOURCES	+=	drivers/auth/dualroot/cot.c
else
$(error Unknown chain of trust ${COT})
endif

BL1_SOURCES	+=	${AUTH_SOURCES} \
		bl1/tbbr/tbbr_img_desc.c \
		plat/arm/common/arm_bl1_fwu.c \
		plat/common/tbbr/plat_tbbr.c

BL2_SOURCES	+=	${AUTH_SOURCES} \
		plat/common/tbbr/plat_tbbr.c

$(eval $(call TOOL_ADD_IMG,ns_bl2u,--fwu,FWU_))

# We expect to locate the *.mk files under the directories specified below
ifeq (${ARM_CRYPTOCELL_INTEG},0)
CRYPTO_LIB_MK	:=	drivers/auth/mbedtls/mbedtls_crypto.mk
else
CRYPTO_LIB_MK	:=	drivers/auth/cryptocell/cryptocell_crypto.mk
endif

IMG_PARSER_LIB_MK := drivers/auth/mbedtls/mbedtls_x509.mk

$(info Including ${CRYPTO_LIB_MK})
include ${CRYPTO_LIB_MK}

$(info Including ${IMG_PARSER_LIB_MK})
include ${IMG_PARSER_LIB_MK}
endif

ifeq (${RECLAIM_INIT_CODE}, 1)
ifeq (${ARM_XLAT_TABLES_LIB_V1}, 1)
$(error "To reclaim init code xlat tables v2 must be used")
endif
endif

ifeq (${MEASURED_BOOT},1)
MEASURED_BOOT_MK := drivers/measured_boot/measured_boot.mk
$(info Including ${MEASURED_BOOT_MK})
include ${MEASURED_BOOT_MK}
endif

ifeq (${EL3_EXCEPTION_HANDLING},1)
BL31_SOURCES	+=	plat/arm/common/aarch64/arm_ehf.c
endif

BL1_SOURCES	:=
BL2_SOURCES	:=
BL2U_SOURCES	:=

DEBUG_CONSOLE	?=	0
$(eval $(call add_define,DEBUG_CONSOLE))

$(eval $(call add_define,ARM_TSP_RAM_LOCATION_ID))