Files
OpenCellular/Makefile.toolchain
Bill Richardson 735e5a6ee2 Define SECTION=* and SECTION_IS_* when compiling
The linker scripts are passed through the preprocessor so that
they can distinguish between RO and RW images. This change makes
the same macros available when compiling, so that code can
contain directives like

  #ifdef SECTION_IS_RO

or

  #define FW_SIZE_(section) CONFIG_##section##_SIZE
  #define FW_SIZE(section) FW_SIZE_(section)

  int size = FW_SIZE(SECTION);

BUG=none
BRANCH=none
TEST=make buildall

Nothing uses this yet, so there's no change to the images.

Change-Id: I6e03cd07c134f4b86aeddd9d516b74bbdb95b8a8
Signed-off-by: Bill Richardson <wfrichar@chromium.org>
Reviewed-on: https://chromium-review.googlesource.com/301255
Reviewed-by: Randall Spangler <rspangler@chromium.org>
2015-09-21 11:23:27 -07:00

67 lines
2.7 KiB
Makefile

# -*- makefile -*-
# Copyright (c) 2012 The Chromium OS Authors. All rights reserved.
# Use of this source code is governed by a BSD-style license that can be
# found in the LICENSE file.
#
# Toolchain configuration build system
#
# Toolchain configuration
HOST_CROSS_COMPILE ?= x86_64-pc-linux-gnu-
CC=$(CROSS_COMPILE)gcc
CPP=$(CROSS_COMPILE)cpp
LD=$(CROSS_COMPILE)ld
NM=$(CROSS_COMPILE)nm
OBJCOPY=$(CROSS_COMPILE)objcopy
OBJDUMP=$(CROSS_COMPILE)objdump
PKG_CONFIG?=pkg-config
BUILDCC?=gcc
HOSTCC?=$(HOST_CROSS_COMPILE)gcc
HOSTCXX?=$(HOST_CROSS_COMPILE)g++
C_WARN = -Wstrict-prototypes -Wdeclaration-after-statement -Wno-pointer-sign
COMMON_WARN = -Wall -Werror -Wundef -Wno-trigraphs -fno-strict-aliasing \
-fno-common -Werror-implicit-function-declaration \
-Wno-format-security -fno-strict-overflow
CFLAGS_WARN = $(COMMON_WARN) $(C_WARN)
CXXFLAGS_WARN = $(COMMON_WARN)
CFLAGS_DEBUG= -g
CFLAGS_INCLUDE=$(foreach i,$(includes),-I$(i) ) -I.
CFLAGS_TEST=$(if $(TEST_BUILD),-DTEST_BUILD \
-DTEST_TASKFILE=$(PROJECT).tasklist,) \
$(if $(EMU_BUILD),-DEMU_BUILD) \
$(if $($(PROJECT)-scale),-DTEST_TIME_SCALE=$($(PROJECT)-scale)) \
-DTEST_$(PROJECT) -DTEST_$(UC_PROJECT)
CFLAGS_COVERAGE=$(if $(TEST_COVERAGE),-fprofile-arcs -ftest-coverage \
-DTEST_COVERAGE,)
CFLAGS_DEFINE=-DOUTDIR=$(out)/$(BLD) -DCHIP=$(CHIP) -DBOARD_TASKFILE=$(_tsk_lst_file) \
-DBOARD=$(BOARD) -DCORE=$(CORE) -DPROJECT=$(PROJECT) \
-DCHIP_VARIANT=$(CHIP_VARIANT) -DCHIP_FAMILY=$(CHIP_FAMILY) \
-DBOARD_$(UC_BOARD) -DCHIP_$(UC_CHIP) -DCORE_$(UC_CORE) \
-DCHIP_VARIANT_$(UC_CHIP_VARIANT) -DCHIP_FAMILY_$(UC_CHIP_FAMILY) \
-DFINAL_OUTDIR=$(out)
CPPFLAGS=$(CFLAGS_DEFINE) $(CFLAGS_INCLUDE) $(CFLAGS_TEST) \
$(EXTRA_CFLAGS) $(CFLAGS_COVERAGE) $(LATE_CFLAGS_DEFINE) \
-DSECTION_IS_$(BLD) -DSECTION=$(BLD)
CFLAGS=$(CPPFLAGS) $(CFLAGS_CPU) $(CFLAGS_DEBUG) $(CFLAGS_WARN) $(CFLAGS_y)
CFLAGS+= -ffunction-sections -fshort-wchar
CFLAGS+= -fno-delete-null-pointer-checks -fconserve-stack
FTDIVERSION=$(shell $(PKG_CONFIG) --modversion libftdi1 2>/dev/null)
ifneq ($(FTDIVERSION),)
LIBFTDI_NAME=ftdi1
else
LIBFTDI_NAME=ftdi
endif
LIBFTDI_CFLAGS=$(shell $(PKG_CONFIG) --cflags lib${LIBFTDI_NAME})
LIBFTDI_LDLIBS=$(shell $(PKG_CONFIG) --libs lib${LIBFTDI_NAME})
BUILD_CFLAGS= $(LIBFTDI_CFLAGS) $(CPPFLAGS) -O3 $(CFLAGS_DEBUG) $(CFLAGS_WARN)
HOST_CFLAGS=$(CPPFLAGS) -O3 $(CFLAGS_DEBUG) $(CFLAGS_WARN) -DHOST_TOOLS_BUILD
LDFLAGS=-nostdlib -Wl,-X -Wl,--gc-sections -Wl,--build-id=none $(LDFLAGS_EXTRA)
BUILD_LDFLAGS=$(LIBFTDI_LDLIBS)
HOST_TEST_LDFLAGS=-T core/host/host_exe.lds -lrt -pthread -rdynamic -lm\
$(if $(TEST_COVERAGE),-fprofile-arcs,)