Subversion Repositories openrisc_2011-10-31

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CONFIG_SHELL    := $(shell if [ -x "$$BASH" ]; then echo $$BASH; \
                    else if [ -x /bin/bash ]; then echo /bin/bash; \
                    else echo sh; fi ; fi)

HOSTCC          = cc
HOSTCFLAGS      = -Wall -Wstrict-prototypes -fno-omit-frame-pointer


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#
# Include the make variables (CC, etc...)
#
AS      = $(CROSS_COMPILE)as
LD      = $(CROSS_COMPILE)ld
CC      = $(CROSS_COMPILE)gcc
AR      = $(CROSS_COMPILE)ar
NM      = $(CROSS_COMPILE)nm
STRIP   = $(CROSS_COMPILE)strip
OBJCOPY = $(CROSS_COMPILE)objcopy
OBJDUMP = $(CROSS_COMPILE)objdump
RANLIB  = $(CROSS_COMPILE)ranlib

XCFLAGS += -I$(TOPDIR)/include -DOR1K -Wall -Wstrict-prototypes
XCFLAGS += -Werror-implicit-function-declaration 
XCFLAGS += -fno-omit-frame-pointer
#XCFLAGS += -fomit-frame-pointer
#XCFLAGS += -O0
#XCFLAGS += -O2
XCFLAGS += -O3
#XCFLAGS += -Os
XCFLAGS += -fno-strength-reduce -pipe -fno-builtin
# Use all software flags, so is compatible with minimal implementation
XCFLAGS += -mhard-mul -mhard-div -msoft-float 
#XCFLAGS += -mhard-mul -msoft-div -msoft-float 
#XCFLAGS += -msoft-mul -msoft-div -msoft-float 
# We require this as we we won't rely on any existing C library code
XCFLAGS += -nostdlib
#XCFLAGS += -DDEBUG

# For CoreMark:
FLAGS_STR ="$(XCFLAGS)"
# Add back to CFLAGS
CFLAGS += $(XCFLAGS) -DFLAGS_STR=\"$(FLAGS_STR)\"

LIBGCC := $(shell $(CC) $(CFLAGS) -print-libgcc-file-name)
LDFLAGS+= $(LIBGCC)

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export  CONFIG_SHELL HOSTCC HOSTCFLAGS CROSS_COMPILE \
        AS LD CC AR NM STRIP OBJCOPY OBJDUMP \
        MAKE CFLAGS ASFLAGS

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%.o:    %.S
        $(CC) $(CFLAGS) -c -o $@ $(CURDIR)/$<
%.o:    %.c
        $(CC) $(CFLAGS) -c -o $@ $<

%.bin: %.or32
        or32-rtems-objcopy -O binary $< $@

%.img: %.bin
        utils/bin2flimg 1 $< > $@

%.srec: %.bin
        utils/bin2srec $< > $@

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