# make.PPC32gnu -  GNU compilation tools definitions for generic PowerPC
#
# Copyright (c) 2002-2004, 2006-2008, 2010-2013, 2016 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
# --------------------
# 01y,10nov16,h_k  fixed e6500 build spec. (VXW6-85939)
# 01x,29jan13,h_k  replaced XXX with TODO.
# 01w,24jul12,h_k  added e6500 CPU variant support. (WIND00333229)
# 01v,12apr12,h_k  moved common env setting to defs.ppc.
#                  added -mabi=no-spe for PPC85XX non-e500mc. (WIND00345703)
# 01u,14feb12,h_k  added missing _WRS_HARDWARE_FP definition for e500mc.
#                  (WIND00333933)
# 01t,13jun11,mze  add debug
# 01s,03may11,syt  Add support for PPC465
# 01r,03feb11,mcm  Fix for WIND00247694 - use -fno-implicit-fp for e500v2
# 01q,10jan11,kab  Fix 85XX e500mc flags
# 01q,16dec10,x_z  set _WRS_HARDWARE_FP for hard-float 476
# 01p,29aug08,mze  logic change from hard to soft
# 01o,19aug08,mze  TOOL changes
# 01n,22jul08,pee  adding e500v2 support for VSB.
# 01m,02aug07,mcm  GCC 4.1.2 has now implemented the -fno-implicit-fp option;
#                  the option had been removed while there was no support for
#                  it.
# 01l,15may07,mcm  Remove -mno-implicit-fp
# 01k,27jun06,dtr  Support hard and soft float 60x builds.
# 01k,19apr06,mcm  Fix for SPR#118479 - problem with Altivec options.
# 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

ifneq ($(PPC32VARIANT),)
 # default gnu cpu flag *usually* matches the PPC32VARIANT value

 CC_ARCH_SPEC	= -mcpu=$(PPC32VARIANT)
else
 CC_ARCH_SPEC	= -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 -mabi=altivec
endif

ifeq ($(PPC32VARIANT),85XX)
 ifeq ($(LIB_DIR_TAG),_ppc85XX_e500mc)
  CC_ARCH_SPEC	= -mcpu=e500mc
 else
  ifeq ($(CPU_VARIANT),_ppc85XX_e500mc)
   CC_ARCH_SPEC	= -mcpu=e500mc
  else
   ifeq ($(LIB_DIR_TAG),_ppc85XX_e6500)
    CC_ARCH_SPEC	= -mcpu=e500mc
   else
    ifeq ($(CPU_VARIANT),_ppc85XX_e6500)
     CC_ARCH_SPEC	= -mcpu=e500mc
    else
     _WRS_CONFIG_FP ?= soft

     # Make sure there is no SPE instruction generated by disabling SPE ABI.
     # This is added to be safe in case GCC has an issue.

     CC_ARCH_SPEC	= -mcpu=8540 -mabi=no-spe
    endif
   endif
  endif
 endif
endif

ifeq ($(PPC32VARIANT),465)
 CC_ARCH_SPEC	= -mcpu=440
endif

ifeq ($(PPC32VARIANT),604)
 OPTION_ALTIVEC_AS = -Wa,-maltivec -mabi=altivec
 OPTION_ALTIVEC_C  = -maltivec -mabi=altivec
endif

# not currently supported

ifeq ($(PPC32VARIANT),970)
 CC_ARCH_SPEC	= -mcpu=power4 -Wa,-mppc64bridge
 OPTION_ALTIVEC_AS = -Wa,-maltivec -mabi=altivec
 OPTION_ALTIVEC_C  = -maltivec -mabi=altivec
endif

ifeq ($(CPU_VARIANT),_ppc85XX_e6500)
 OPTION_ALTIVEC_AS = -Wa,-maltivec -mabi=altivec
 OPTION_ALTIVEC_C  = -maltivec -mabi=altivec
endif

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

# end of make.PPC32gnu