# make.ATOMgnu - GNU compilation tools definitions for ATOM
#
# Copyright (c) 2010-2012 Wind River Systems, Inc.
#
# The right to copy, distribute, modify or otherwise make use
# of this software may be licensed only pursuant to the terms
# of an applicable Wind River license agreement.
#
# modification history
# --------------------
# 01g,27nov12,yjw  add -mmovbe for atom target.(WIND00380360)
# 01f,21aug12,mze  add -Wsystem-headers flag
# 01e,05jul12,pee  WIND00356899
# 01d,13jun11,mze  add debug
# 01c,02feb11,jb   Fix for WIND00253482 - Incorrect architecture flag
# 01b,31jan11,pee  WIND00252661
# 01a,20sep10,sem  written
#
# DESCRIPTION
# This file contains ATOM specific definitions and flags for the GNU
# software generation tools (compiler, assembler, linker etc.).
#*/

CPU             = ATOM
TOOL            = gnu

ifdef _WRS_CONFIG_LP64
ifeq ($(LP64_MCMODEL),LARGE)
CM      = large
else
CM      = kernel
endif
endif

include $(TGT_DIR)/h/tool/gnu/defs.gnu

CC_OPTIM_XO = -O2
CC_OPTIM_DEBUG =
CC_OPTIM_DRIVER = $(CC_OPTIM_DEBUG) -fvolatile
CC_OPTIM_NORMAL = $(CC_OPTIM_DEBUG) $(CC_OPTIM_XO)
CC_OPTIM_TARGET = $(CC_OPTIM_DEBUG) $(CC_OPTIM_XO) -fvolatile
CC_WARN_SYSTEM_HEADERS =

ifdef _WRS_CONFIG_LP64
# Add warning options to help with the code adaptation to LP64
CC_WARNINGS_LOW = -Wall -Wreturn-type -Wconversion -Wformat $(CC_WARN_SYSTEM_HEADERS) \
		  -Wno-sign-conversion

# Generate LP64 code (-march=) for core. The schedule (-mtune=) is
# intentionally not specified so as to get it aligned to the -march option.

CC_ARCH_SPEC    = -march=core2 -nostdlib -fno-builtin \
		  -fno-defer-pop -m64 -fno-omit-frame-pointer \
		  -mcmodel=$(CM) -mno-red-zone -fno-implicit-fp

LINK_FLAGS_EXTRA= -m elf_x86_64_vxworks
else
# Generate code for (-march=) and schedule for (-mtune=) core
CC_ARCH_SPEC	= -march=atom -mmovbe \
                 -nostdlib -fno-builtin -fno-defer-pop -fno-implicit-fp
endif

TOOLENV         = pentium
VX_CPU_FAMILY   = pentium
ARCH_DIR        = i86

ifdef _WRS_CONFIG_LP64
ABI_SPEC        = x86-64
else
ABI_SPEC        = x86
endif

CF              = 

HLL_PREFIX      =

OBJCOPY_OLD_OMF	= -O a.out-i386 --gap-fill=0

# end of make.ATOMgnu