84 lines
2.0 KiB
Plaintext
84 lines
2.0 KiB
Plaintext
# defs.mips - MIPS specific definitions for the GNU toolchain
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#
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# modification history
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# --------------------
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# 01h,04mar05,pes Remove options for r3k
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# 01g,05may04,pes Fixing compile flag used for gnu for MIPS64.
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# 01f,07nov03,c_c Removed GNULIBROOT define.
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# 01e,26mar02,pes Revert to MIPS ISA III. Clean up -mno-branch-likely
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# selection.
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# 01d,19mar02,dat Adding PIC flags for bootInit.o (72825)
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# 01c,12feb02,sn removed obsolete refs to GCC_EXEC_PREFIX
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# removed -fno-for-scope
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# 01b,21jan02,sn removed unused C++_TEMPLATE_INST
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# 01a,09jan02,pes written
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#
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# DESCRIPTION
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# This file contains MIPS specific definitions and flags for the
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# GNU tools (compiler, assembler, linker etc.)
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#
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# NOTE
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# The file name comes from defs.$(VX_CPU_FAMILY)
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#
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include $(TGT_DIR)/h/tool/gnu/defs.gnu
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include $(TGT_DIR)/h/tool/common/defs.mips
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CC_OPTIM_DRIVER = -O -fvolatile
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CC_OPTIM_NORMAL = -O2
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CC_OPTIM_TARGET = -O2
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# Compiler flags for PIC code
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# For T2.2, used only for MIPS gnu compiler.
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CC_PIC = $(OPTION_PIC)
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CC_COMPILER = -ansi -fno-builtin
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C++_COMPILER += -fno-builtin
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LONGCALL = -mlong-calls
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# override/modify standard command definitions
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AS += -G 0
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RANLIB = ranlibmips
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# Build up architecture specification
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# Set initial value
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CC_ARCH_SPEC = -G 0 -mno-branch-likely
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#
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# Modify CC_ARCH_SPEC for processor ISA level and endianness
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#
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# select processor ISA
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# 32-bit is ISA II
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# 64-bit is ISA III
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#
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ifeq ($(findstring MIPS32,$(CPU)),MIPS32)
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CC_ARCH_SPEC += -mips2
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AS += -mips2
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else
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CC_ARCH_SPEC += -mips3 -mabi=o64 -mgp64
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AS += -mips3 -mabi=o64 -mgp64
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endif
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# select endianness
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ifeq ($(findstring le,$(TOOL)),le)
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CC_ARCH_SPEC += -EL
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AS += -EL
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LDFLAGS = -EL -X -N
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LD_PARTIAL_FLAGS= -EL -X -r
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LD_ENDIAN_FLAG = -Wl,-EL
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else
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CC_ARCH_SPEC += -EB
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AS += -EB
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LDFLAGS = -EB -X -N
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LD_PARTIAL_FLAGS= -EB -X -r
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endif
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# check for software floating point request
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ifeq ($(findstring sf,$(TOOL)),sf)
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CC_SOFT_FLOAT = -msoft-float
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endif
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# end of defs.mips
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