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#
# Basic compiler options and preprocessor flags
#
CFLAGS += -g -c -ffreestanding
CFLAGS += -O1 -Wall -Werror -Wstrict-prototypes -Wmissing-prototypes
#
# Tools locations
#
ifndef TOOLS
TOOLS=/opt/toolchains/uclibc-crosstools-gcc-4.4.2-1/usr/bin/mips-linux-
endif
GCC ?= $(TOOLS)gcc
GLD ?= $(TOOLS)ld
AR ?= $(TOOLS)ar
OBJDUMP ?= $(TOOLS)objdump
OBJCOPY ?= $(TOOLS)objcopy
RANLIB ?= $(TOOLS)ranlib
#
# Check for 64-bit mode
#
ifeq ($(strip ${CFG_MLONG64}),1)
CFLAGS += -mlong64 -D__long64
endif
#
# Figure out which linker script to use
#
ifeq ($(strip ${CFG_RAMAPP}),1)
CFLAGS += -DCFG_RAMAPP=1
LDFLAGS = -g --script ${ARCH_SRC}/cfe_ramapp.lds
CFLAGS += -DCFG_RUNFROMKSEG0=1
else
ifeq ($(strip ${CFG_RELOC}),0)
ifeq ($(strip ${CFG_BOOTRAM}),1)
CFLAGS += -DCFG_BOOTRAM=1
ROMRAM = ram
else
CFLAGS += -DCFG_BOOTRAM=0
ROMRAM = rom
endif
ifeq ($(strip ${CFG_UNCACHED}),1)
CFLAGS += -DCFG_RUNFROMKSEG0=0
LDFLAGS = -g --script ${ARCH_SRC}/cfe_${ROMRAM}_uncached.lds
else
CFLAGS += -DCFG_RUNFROMKSEG0=1
LDFLAGS = -g --script ${ARCH_SRC}/cfe_${ROMRAM}_cached.lds
endif
else
CFLAGS += -membedded-pic -mlong-calls -DCFG_EMBEDDED_PIC=1
ifeq ($(strip ${CFG_UNCACHED}),1)
CFLAGS += -DCFG_RUNFROMKSEG0=0
LDFLAGS = -g --script ${ARCH_SRC}/cfe_rom_reloc_uncached.lds --embedded-relocs
else
CFLAGS += -DCFG_RUNFROMKSEG0=1
ifeq ($(strip ${CFG_TEXTAT1MB}),1)
LDFLAGS = -g --script ${ARCH_SRC}/cfe_rom_reloc_cached_biendian.lds --embedded-relocs
else
LDFLAGS = -g --script ${ARCH_SRC}/cfe_rom_reloc_cached.lds --embedded-relocs
endif
endif
endif
endif
#
# Determine target endianness
#
ifeq ($(strip ${CFG_LITTLE}),1)
ENDIAN = -EL
CFLAGS += -EL
LDFLAGS += -EL
else
ENDIAN = -EB
CFLAGS += -EB
LDFLAGS += -EB
endif
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