# make.PPC32gnu -  GNU compilation tools definitions for generic PowerPC
#
# Copyright 1995-2004 Wind River Systems, Inc.
#
# modification history
# --------------------
# 01j,28oct04,to   removed -fno-zero-initialized-in-bss (now in defs.gnu)
# 01i,27may04,to   970 cleanups.
# 01h,19apr04,to   Add -fno-zero-initialized-in-bss flag for gcc3.x (tmp?)
# 01g,14apr04,rec  PPC970 support
# 01f,02jul04,pch  SPR 98864: AltiVec support for gnu build of fioLib
# 01e,08jun04,pch  set _WRS_HARDWARE_FP for hard-float 440
# 01d,04feb04,pch  PPC32 floating-point adjustments
# 01c,07nov03,c_c  Removed Compiler definitions.
# 01b,05feb03,pch  Add CPU_VARIANT support
# 01a,11dec02,pch  Created (from make.PPC440gnu vn 01f).
#
# DESCRIPTION
# This file contains definitions and flags for the gnu tools
# (compiler, assembler, linker etc.) to build for a generic
# PowerPC with PPC60x hardware floating point.
# If building for a specific processor (as a variant), 
# defs.ppc will set its type number into PPC32VARIANT.
#*/

CPU	= PPC32
TOOL	= gnu

include $(TGT_DIR)/h/tool/common/defs.ppc

CC_OPTIM_DRIVER = -fno-builtin -fvolatile
CC_OPTIM_NORMAL = -O2 -fstrength-reduce -fno-builtin
CC_OPTIM_TARGET = -O2 -fvolatile -fno-builtin

ifneq ($(PPC32VARIANT),)
  ifneq ($(PPC32VARIANT),970)
    CC_ARCH_SPEC = -mcpu=$(PPC32VARIANT) \
		   -mhard-float -mstrict-align -mno-implicit-fp
  else
    CC_ARCH_SPEC = -mcpu=power4 -Wa,-mppc64bridge \
		   -mhard-float -mstrict-align -mno-implicit-fp
    OPTION_ALTIVEC_AS = -Wa,-maltivec
    OPTION_ALTIVEC_C  = -maltivec
  endif
  ifeq ($(PPC32VARIANT),440)
    # inform ppc440.h that we are building for hardware FP
    CC_ARCH_SPEC   += -D_WRS_HARDWARE_FP
  endif
  ifeq ($(PPC32VARIANT),604)
    OPTION_ALTIVEC_AS = -Wa,-maltivec
    OPTION_ALTIVEC_C  = -maltivec
  endif
else
  CC_ARCH_SPEC	= -mhard-float -mstrict-align -mno-implicit-fp -DPPC32_fp60x
  # *** TEMP HACK: enable AltiVec support for math/fioLib.c
  # *** Remove this when the coprocessor abstraction
  # *** supports printf/scanf format extensions.
  OPTION_ALTIVEC_C  = -maltivec -D_WRS_ALTIVEC_SUPPORT
endif

LD_SCRIPT_RAM	= -defsym wrs_kernel_rom_size=0x0$(ROM_SIZE) \
		  -T $(TGT_DIR)/h/tool/gnu/ldscripts/link.DOTBOOTRAM
LD_SCRIPT_ROM	= -defsym wrs_kernel_rom_size=0x0$(ROM_SIZE) \
		  -T $(TGT_DIR)/h/tool/gnu/ldscripts/link.DOTBOOTROM

CF		=

# No Cfront support for PowerPC
MAKETAIL	=
CLEANTAIL	=

# end of make.PPC32gnu