Makefile.defines

#*******************************************************************************
#   Ledger SDK
#   (c) 2017 Ledger
#
#  Licensed under the Apache License, Version 2.0 (the "License");
#  you may not use this file except in compliance with the License.
#  You may obtain a copy of the License at
#
#      http://www.apache.org/licenses/LICENSE-2.0
#
#  Unless required by applicable law or agreed to in writing, software
#  distributed under the License is distributed on an "AS IS" BASIS,
#  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
#  See the License for the specific language governing permissions and
#  limitations under the License.
#*******************************************************************************

#extract TARGET_NAME/TARGET_ID from the SDK to allow for makefile choices
TARGET := nanos
TARGET_ID:=$(shell cat $(BOLOS_SDK)/include/bolos_target.h | grep TARGET_ID | cut -f3 -d' ')
TARGET_NAME:=$(shell cat $(BOLOS_SDK)/include/bolos_target.h | grep TARGET_ | grep -v TARGET_ID | cut -f2 -d' ')
TARGET_VERSION:=$(shell cat $(BOLOS_SDK)/include/bolos_version.h | grep define | cut -f2 -d'"')
SDK_NAME    := "nanos-secure-sdk"
SDK_VERSION := $(shell git -C $(BOLOS_SDK) describe --tags --exact-match  --match "v[0-9]*" --dirty)
SDK_HASH    := $(shell git -C $(BOLOS_SDK) describe --always --dirty --exclude '*' --abbrev=40)
ifeq ($(SDK_VERSION),)
SDK_VERSION := "None"
endif
ifeq ($(SDK_HASH),)
SDK_HASH := "None"
endif

$(info TARGET_NAME=$(TARGET_NAME) TARGET_ID=$(TARGET_ID) TARGET_VERSION=$(TARGET_VERSION))

# APPNAME exposed to the app as a CFLAG because it might contain spaces
CFLAGS += -DAPPNAME=\"$(APPNAME)\"

# Define list of other items to be exposed to the app as strings
# TARGET_ID is not in this list: it is already defined in bolos_target.h.
APP_METADATA_LIST := TARGET TARGET_NAME APPVERSION SDK_NAME SDK_VERSION SDK_HASH
DEFINES += $(foreach item,$(APP_METADATA_LIST), $(item)=\"$($(item))\")
DEFINES += TARGET_VERSION=$(TARGET_VERSION)

BUILD_DIR := build
TARGET_BUILD_DIR := $(BUILD_DIR)/$(TARGET)
BIN_DIR := $(TARGET_BUILD_DIR)/bin
OBJ_DIR := $(TARGET_BUILD_DIR)/obj
DBG_DIR := $(TARGET_BUILD_DIR)/dbg
DEP_DIR := $(TARGET_BUILD_DIR)/dep
GEN_SRC_DIR := $(TARGET_BUILD_DIR)/gen_src

### platform definitions
DEFINES += gcc __IO=volatile

# no assert by default
DEFINES += NDEBUG

# Debug mode disabled by default
DEBUG:=0

# default is not to display make commands
log = $(if $(strip $(VERBOSE)),$1,@$1) # kept for retrocompat
L = $(if $(strip $(VERBOSE)),,@)

ifeq ($(CC),)
CC        = clang
endif

SYSROOT = $(shell $(GCCPATH)arm-none-eabi-gcc -print-sysroot)
ifeq ($(SYSROOT),)
CFLAGS   += -I/usr/include
else
CFLAGS   += --sysroot="$(SYSROOT)"
endif

# optimization and debug levels
ifneq ($(DEBUG),0)
OPTI_LVL  = -Og
OPTI_ALVL = $(OPTI_LVL)
DBG_LVL   = -g3
else
OPTI_LVL  = -Oz
OPTI_ALVL = -Os # assembler does not handle -Oz, use -Os instead
DBG_LVL   = -g0
endif

CFLAGS   += $(OPTI_LVL) $(DBG_LVL)
CFLAGS   += -fomit-frame-pointer -momit-leaf-frame-pointer
CFLAGS   += -mcpu=cortex-m0plus -mthumb
CFLAGS   += -fno-common -mtune=cortex-m0plus -mlittle-endian
CFLAGS   += -std=gnu99

CFLAGS   += -Wall -Wextra
CFLAGS   += -Wno-main
CFLAGS   += -Werror=int-to-pointer-cast

# Additional Clang warnings
CFLAGS   += -Wno-error=int-conversion -Wimplicit-fallthrough
CFLAGS   += -Wvla -Wundef -Wshadow -Wformat=2 -Wformat-security -Wwrite-strings

ENABLE_SDK_WERROR ?= 0
ifneq ($(ENABLE_SDK_WERROR),0)
    CFLAGS   += -Werror
endif

CFLAGS   += -fdata-sections -ffunction-sections -funsigned-char -fshort-enums
CFLAGS   += -mno-unaligned-access
CFLAGS   +=  --target=armv6m-none-eabi
CFLAGS   += -fropi
CFLAGS   += -fno-jump-tables # avoid jump tables for switch to avoid problems with invalid PIC access
CFLAGS   += -nostdlib -nodefaultlibs

AFLAGS   += $(OPTI_ALVL) $(DBG_LVL) -mcpu=cortex-m0plus -fno-common -mtune=cortex-m0plus

LDFLAGS  += $(OPTI_LVL) $(DBG_LVL)
LDFLAGS  += -fomit-frame-pointer
LDFLAGS  += -Wall
LDFLAGS  += -mcpu=cortex-m0plus -mthumb
LDFLAGS  += -fno-common -ffunction-sections -fdata-sections -fwhole-program
LDFLAGS  += -mno-unaligned-access
LDFLAGS  += -Wl,--gc-sections -Wl,-Map,$(DBG_DIR)/app.map
LDFLAGS  += --specs=nano.specs

ifeq ($(TARGET_NAME),TARGET_NANOX)
CFLAGS   += -frwpi
LDFLAGS  += -momit-leaf-frame-pointer
LDFLAGS  += --target=armv6m-none-eabi
LDFLAGS  += -mtune=cortex-m0plus -mlittle-endian
LDFLAGS  += -nostdlib -nodefaultlibs #-nostartfiles
LDFLAGS  += -mno-movt
LDFLAGS  += -L$(BOLOS_SDK)/lib/
else
LDFLAGS  += -nostartfiles
endif

DISABLE_UI ?= 0
ifeq ($(DISABLE_UI), 0)
ifeq ($(TARGET_NAME),TARGET_NANOS)
DEFINES += HAVE_BAGL
DEFINES += BAGL_WIDTH=128 BAGL_HEIGHT=32
endif
endif

ifeq ($(TARGET_NAME),TARGET_NANOX)
# Screen is directly connected to the SE
DEFINES       += HAVE_SE_SCREEN
# Button is directly connected to the SE
DEFINES       += HAVE_SE_BUTTON
# MCU serial is stored on board of the SE
DEFINES       += HAVE_MCU_SERIAL_STORAGE
DEFINES       += HAVE_FONTS
# already defined within apps
# DEFINES       += HAVE_BLE
DEFINES       += HAVE_BATTERY
endif

# include builtin CX libs options
-include $(BOLOS_SDK)/Makefile.conf.cx

ifneq ($(BOLOS_ENV),)
$(info BOLOS_ENV=$(BOLOS_ENV))
CLANGPATH := $(BOLOS_ENV)/clang-arm-fropi/bin/
GCCPATH := $(BOLOS_ENV)/gcc-arm-none-eabi-5_3-2016q1/bin/
else
$(info BOLOS_ENV is not set: falling back to CLANGPATH and GCCPATH)
endif
ifeq ($(CLANGPATH),)
$(info CLANGPATH is not set: clang will be used from PATH)
endif
ifeq ($(GCCPATH),)
$(info GCCPATH is not set: arm-none-eabi-* will be used from PATH)
endif

# define the default makefile target (high in include to avoid glyph.h or what not specific target to be the default one when no target passed on the make command line)
all: default