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1275 |
phoenix |
#
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# This file is subject to the terms and conditions of the GNU General Public
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# License. See the file "COPYING" in the main directory of this archive
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# for more details.
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#
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# Copyright (C) 2002, 2003 Maciej W. Rozycki
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#
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# This file is included by the global makefile so that you can add your own
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# architecture-specific flags and dependencies. Remember to do have actions
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# for "archclean" and "archdep" for cleaning up and making dependencies for
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# this architecture
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#
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comma := ,
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#
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# Select the object file format to substitute into the linker script.
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#
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ifdef CONFIG_CPU_LITTLE_ENDIAN
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tool-prefix = mips64el-linux-
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else
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tool-prefix = mips64-linux-
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endif
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ifdef CONFIG_CROSSCOMPILE
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CROSS_COMPILE = $(tool-prefix)
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endif
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#
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# The ELF GCC uses -G 0 -mabicalls -fpic as default. We don't need PIC
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# code in the kernel since it only slows down the whole thing. For the
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# old GCC these options are just the defaults. At some point we might
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# make use of global pointer optimizations.
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#
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# The DECStation requires an ECOFF kernel for remote booting, other MIPS
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# machines may also. Since BFD is incredibly buggy with respect to
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# crossformat linking we rely on the elf2ecoff tool for format conversion.
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#
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GCCFLAGS := -I $(TOPDIR)/include/asm/gcc
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GCCFLAGS += -mabi=64 -G 0 -mno-abicalls -fno-pic -Wa,--trap -pipe
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GCCFLAGS += $(call check_gcc, -finline-limit=100000,)
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LINKFLAGS += -G 0 -static # -N
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MODFLAGS += -mlong-calls
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ifdef CONFIG_DEBUG_INFO
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GCCFLAGS += -g
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ifdef CONFIG_SB1XXX_CORELIS
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GCCFLAGS += -mno-sched-prolog -fno-omit-frame-pointer
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endif
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endif
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check_gcc = $(shell if $(CC) $(1) -S -o /dev/null -xc /dev/null > /dev/null 2>&1; then echo "$(1)"; else echo "$(2)"; fi)
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check_gas = $(shell if $(CC) $(1) -Wa,-Z -c -o /dev/null -xassembler /dev/null > /dev/null 2>&1; then echo "$(1)"; else echo "$(2)"; fi)
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#
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# Use: $(call set_gccflags,,,,)
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#
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# , -- preferred CPU and ISA designations (may require
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# recent tools)
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# , -- fallback CPU and ISA designations (have to work
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# with up to the oldest supported tools)
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#
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set_gccflags = $(shell \
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while :; do \
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cpu=$(1); isa=-$(2); \
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for gcc_opt in -march= -mcpu=; do \
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$(CC) $$gcc_opt$$cpu $$isa -S -o /dev/null \
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-xc /dev/null > /dev/null 2>&1 && \
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break 2; \
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done; \
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cpu=$(3); isa=-$(4); \
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for gcc_opt in -march= -mcpu=; do \
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$(CC) $$gcc_opt$$cpu $$isa -S -o /dev/null \
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-xc /dev/null > /dev/null 2>&1 && \
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break 2; \
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done; \
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break; \
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done; \
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gcc_cpu=$$cpu; gcc_isa=$$isa; \
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gas_cpu=$$cpu; gas_isa=-Wa,$$isa; \
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while :; do \
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for gas_opt in -Wa,-march= -Wa,-mcpu=; do \
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$(CC) $$gas_opt$$cpu $$gas_isa -Wa,-Z -c -o /dev/null \
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-xassembler /dev/null > /dev/null 2>&1 && \
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break 2; \
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done; \
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gas_opt=; gas_cpu=; gas_isa=; \
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break; \
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done; \
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echo $$gcc_opt$$gcc_cpu $$gcc_isa $$gas_opt$$gas_cpu $$gas_isa)
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#
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# CPU-dependent compiler/assembler options for optimization.
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#
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ifdef CONFIG_CPU_R4300
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GCCFLAGS += $(call set_gccflags,r4300,mips3,r4300,mips3)
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endif
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ifdef CONFIG_CPU_R4X00
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GCCFLAGS += $(call set_gccflags,r4600,mips3,r4600,mips3)
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endif
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ifdef CONFIG_CPU_R5000
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GCCFLAGS += $(call set_gccflags,r5000,mips4,r8000,mips4)
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endif
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ifdef CONFIG_CPU_NEVADA
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GCCFLAGS += $(call set_gccflags,rm5200,mips4,r8000,mips4)
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#GCCFLAGS += $(call check_gcc,-mmad,)
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endif
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ifdef CONFIG_CPU_RM7000
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GCCFLAGS += $(call set_gccflags,rm7000,mips4,r5000,mips4)
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endif
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ifdef CONFIG_CPU_RM9000
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GCCFLAGS += $(call set_gccflags,rm9000,mips4,r5000,mips4)
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endif
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ifdef CONFIG_CPU_R8000
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GCCFLAGS += $(call set_gccflags,r8000,mips4,r8000,mips4)
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endif
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ifdef CONFIG_CPU_R10000
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GCCFLAGS += $(call set_gccflags,r10000,mips4,r8000,mips4)
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endif
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ifdef CONFIG_CPU_SB1
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GCCFLAGS += $(call set_gccflags,sb1,mips64,r5000,mips4)
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ifdef CONFIG_SB1_PASS_1_WORKAROUNDS
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MODFLAGS += -msb1-pass1-workarounds
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endif
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endif
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ifdef CONFIG_CPU_MIPS64
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GCCFLAGS += $(call set_gccflags,mips64,mips64,r8000,mips4)
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endif
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#
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# We unconditionally build the math emulator
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#
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CORE_FILES += arch/mips/math-emu/fpu_emulator.o
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SUBDIRS += arch/mips/math-emu
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#
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# ramdisk/initrd support
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# You need a compressed ramdisk image, named ramdisk.gz in
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# arch/mips/ramdisk
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#
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ifdef CONFIG_EMBEDDED_RAMDISK
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CORE_FILES += arch/mips/ramdisk/ramdisk.o
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SUBDIRS += arch/mips/ramdisk
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endif
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#
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# Board-dependent options and extra files
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#
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#
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# Cobalt Server
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#
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ifdef CONFIG_MIPS_COBALT
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SUBDIRS += arch/mips/cobalt
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CORE_FILES += arch/mips/cobalt/cobalt.o
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LOADADDR := 0x80080000
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endif
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#
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# DECstation family
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#
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ifdef CONFIG_DECSTATION
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CORE_FILES += arch/mips/dec/dec.o
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SUBDIRS += arch/mips/dec arch/mips/dec/prom
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LIBS += arch/mips/dec/prom/rexlib.a
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LOADADDR := 0x80040000
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endif
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#
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# Galileo EV64120 Board
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#
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ifdef CONFIG_MIPS_EV64120
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LIBS += arch/mips/gt64120/common/gt64120.o \
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arch/mips/gt64120/ev64120/ev64120.o
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SUBDIRS += arch/mips/gt64120/common arch/mips/gt64120/ev64120
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LOADADDR := 0x80100000
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endif
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#
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# MIPS Atlas board
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#
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ifdef CONFIG_MIPS_ATLAS
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LIBS += arch/mips/mips-boards/atlas/atlas.o \
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arch/mips/mips-boards/generic/mipsboards.o
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SUBDIRS += arch/mips/mips-boards/generic arch/mips/mips-boards/atlas
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LOADADDR := 0x80100000
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endif
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| 190 |
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#
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| 191 |
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# MIPS Malta board
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| 192 |
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#
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| 193 |
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ifdef CONFIG_MIPS_MALTA
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LIBS += arch/mips/mips-boards/malta/malta.o \
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arch/mips/mips-boards/generic/mipsboards.o
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| 196 |
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SUBDIRS += arch/mips/mips-boards/malta arch/mips/mips-boards/generic
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LOADADDR := 0x80100000
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endif
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| 199 |
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| 200 |
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#
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| 201 |
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# MIPS SEAD board
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#
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| 203 |
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ifdef CONFIG_MIPS_SEAD
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LIBS += arch/mips/mips-boards/sead/sead.o \
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arch/mips/mips-boards/generic/mipsboards.o
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| 206 |
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SUBDIRS += arch/mips/mips-boards/generic arch/mips/mips-boards/sead
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| 207 |
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LOADADDR := 0x80100000
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| 208 |
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endif
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| 209 |
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| 210 |
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#
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| 211 |
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# Momentum Ocelot board
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#
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| 213 |
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ifdef CONFIG_MOMENCO_OCELOT
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# The Ocelot setup.o must be linked early - it does the ioremap() for the
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| 215 |
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# mips_io_port_base.
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| 216 |
|
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CORE_FILES += arch/mips/gt64120/common/gt64120.o \
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| 217 |
|
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arch/mips/gt64120/momenco_ocelot/momenco_ocelot.o
|
| 218 |
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SUBDIRS += arch/mips/gt64120/common arch/mips/gt64120/momenco_ocelot
|
| 219 |
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LOADADDR := 0x80100000
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| 220 |
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endif
|
| 221 |
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|
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| 222 |
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#
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| 223 |
|
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# Momentum Ocelot-G board
|
| 224 |
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#
|
| 225 |
|
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ifdef CONFIG_MOMENCO_OCELOT_G
|
| 226 |
|
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# The Ocelot-G setup.o must be linked early - it does the ioremap() for the
|
| 227 |
|
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# mips_io_port_base.
|
| 228 |
|
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CORE_FILES += arch/mips/momentum/ocelot_g/ocelot_g.o
|
| 229 |
|
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SUBDIRS += arch/mips/momentum/ocelot_g
|
| 230 |
|
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LOADADDR := 0x80100000
|
| 231 |
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endif
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| 232 |
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|
|
| 233 |
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#
|
| 234 |
|
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# Momentum Ocelot-C and -CS boards
|
| 235 |
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#
|
| 236 |
|
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ifdef CONFIG_MOMENCO_OCELOT_C
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| 237 |
|
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CORE_FILES += arch/mips/momentum/ocelot_c/ocelot_c.o
|
| 238 |
|
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SUBDIRS += arch/mips/momentum/ocelot_c
|
| 239 |
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LOADADDR := 0x80100000
|
| 240 |
|
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endif
|
| 241 |
|
|
|
| 242 |
|
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ifdef CONFIG_MOMENCO_JAGUAR_ATX
|
| 243 |
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LIBS += arch/mips/momentum/jaguar_atx/jaguar_atx.o
|
| 244 |
|
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SUBDIRS += arch/mips/momentum/jaguar_atx
|
| 245 |
|
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ifdef CONFIG_JAGUAR_DMALOW
|
| 246 |
|
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LOADADDR := 0x88000000
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| 247 |
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else
|
| 248 |
|
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LOADADDR := 0x80100000
|
| 249 |
|
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endif
|
| 250 |
|
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endif
|
| 251 |
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|
|
| 252 |
|
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ifdef CONFIG_PCI
|
| 253 |
|
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CORE_FILES += arch/mips/pci/pci-core.o
|
| 254 |
|
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SUBDIRS += arch/mips/pci
|
| 255 |
|
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endif
|
| 256 |
|
|
|
| 257 |
|
|
#
|
| 258 |
|
|
# SGI IP22 (Indy/Indigo2)
|
| 259 |
|
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#
|
| 260 |
|
|
ifdef CONFIG_SGI_IP22
|
| 261 |
|
|
CORE_FILES += arch/mips/sgi-ip22/ip22-kern.o
|
| 262 |
|
|
LIBS += arch/mips/arc/arclib.a
|
| 263 |
|
|
SUBDIRS += arch/mips/sgi-ip22 arch/mips/arc
|
| 264 |
|
|
#
|
| 265 |
|
|
# Set LOADADDR to >= 0x88069000 if you want to leave space for symmon,
|
| 266 |
|
|
# 0x88004000 for production kernels. Note that the value must be
|
| 267 |
|
|
# 16kb aligned or the handling of the current variable will break.
|
| 268 |
|
|
#
|
| 269 |
|
|
LOADADDR := 0x88004000
|
| 270 |
|
|
endif
|
| 271 |
|
|
|
| 272 |
|
|
#
|
| 273 |
|
|
# SGI-IP27 (Origin200/2000)
|
| 274 |
|
|
#
|
| 275 |
|
|
ifdef CONFIG_SGI_IP27
|
| 276 |
|
|
CORE_FILES += arch/mips/sgi-ip27/ip27.o
|
| 277 |
|
|
LIBS += arch/mips/arc/arclib.a
|
| 278 |
|
|
SUBDIRS += arch/mips/sgi-ip27 arch/mips/arc
|
| 279 |
|
|
#
|
| 280 |
|
|
# Set LOADADDR to >= 0xc000000000300000 if you want to leave space for
|
| 281 |
|
|
# symmon, 0xc00000000001c000 for production kernels. Note that the value
|
| 282 |
|
|
# must be 16kb aligned or the handling of the current variable will break.
|
| 283 |
|
|
#
|
| 284 |
|
|
#LOADADDR := 0xa80000000001c000
|
| 285 |
|
|
ifdef CONFIG_MAPPED_KERNEL
|
| 286 |
|
|
LOADADDR := 0xc001c000
|
| 287 |
|
|
else
|
| 288 |
|
|
LOADADDR := 0x8001c000
|
| 289 |
|
|
endif
|
| 290 |
|
|
endif
|
| 291 |
|
|
|
| 292 |
|
|
#
|
| 293 |
|
|
# Sibyte SB1250 SOC and Broadcom (SiByte) BCM112x SOCs
|
| 294 |
|
|
#
|
| 295 |
|
|
ifneq ($(CONFIG_SIBYTE_SB1250)$(CONFIG_SIBYTE_BCM112X),)
|
| 296 |
|
|
# This is a LIB so that it links at the end, and initcalls are later
|
| 297 |
|
|
# the sequence; but it is built as an object so that modules don't get
|
| 298 |
|
|
# removed (as happens, even if they have __initcall/module_init)
|
| 299 |
|
|
LIBS += arch/mips/sibyte/sb1250/sb1250.o
|
| 300 |
|
|
SUBDIRS += arch/mips/sibyte/sb1250
|
| 301 |
|
|
ifdef CONFIG_MIPS_UNCACHED
|
| 302 |
|
|
LOADADDR := 0xa0100000
|
| 303 |
|
|
else
|
| 304 |
|
|
LOADADDR := 0x80100000
|
| 305 |
|
|
endif
|
| 306 |
|
|
endif
|
| 307 |
|
|
|
| 308 |
|
|
#
|
| 309 |
|
|
# Sibyte boards:
|
| 310 |
|
|
#
|
| 311 |
|
|
# BCM91250A (SWARM),
|
| 312 |
|
|
# BCM91250E (Sentosa),
|
| 313 |
|
|
# BCM91120C (CRhine),
|
| 314 |
|
|
# BCM91120x (Carmel),
|
| 315 |
|
|
# BCM91125C (CRhone),
|
| 316 |
|
|
# BCM91125E (Rhone).
|
| 317 |
|
|
#
|
| 318 |
|
|
ifdef CONFIG_SIBYTE_BOARD
|
| 319 |
|
|
LIBS += arch/mips/sibyte/swarm/sbswarm.a
|
| 320 |
|
|
SUBDIRS += arch/mips/sibyte/swarm
|
| 321 |
|
|
endif
|
| 322 |
|
|
|
| 323 |
|
|
#
|
| 324 |
|
|
# Sibyte CFE firmware
|
| 325 |
|
|
#
|
| 326 |
|
|
ifdef CONFIG_SIBYTE_CFE
|
| 327 |
|
|
LIBS += arch/mips/sibyte/cfe/cfe.a
|
| 328 |
|
|
SUBDIRS += arch/mips/sibyte/cfe
|
| 329 |
|
|
endif
|
| 330 |
|
|
|
| 331 |
|
|
#
|
| 332 |
|
|
# Some machines like the Indy need 32-bit ELF binaries for booting purposes.
|
| 333 |
|
|
# Other need ECOFF, so we build a 32-bit ELF binary for them which we then
|
| 334 |
|
|
# convert to ECOFF using elf2ecoff.
|
| 335 |
|
|
#
|
| 336 |
|
|
ifdef CONFIG_BOOT_ELF32
|
| 337 |
|
|
GCCFLAGS += -Wa,-32 $(call check_gas,-Wa$(comma)-mgp64,)
|
| 338 |
|
|
LINKFLAGS += -T arch/mips64/ld.script.elf32
|
| 339 |
|
|
endif
|
| 340 |
|
|
#
|
| 341 |
|
|
# The 64-bit ELF tools are pretty broken so at this time we generate 64-bit
|
| 342 |
|
|
# ELF files from 32-bit files by conversion.
|
| 343 |
|
|
#
|
| 344 |
|
|
ifdef CONFIG_BOOT_ELF64
|
| 345 |
|
|
GCCFLAGS += -Wa,-32 $(call check_gas,-Wa$(comma)-mgp64,)
|
| 346 |
|
|
LINKFLAGS += -T arch/mips64/ld.script.elf32
|
| 347 |
|
|
#AS += -64
|
| 348 |
|
|
#LD += -m elf64bmip
|
| 349 |
|
|
#LINKFLAGS += -T arch/mips64/ld.script.elf64
|
| 350 |
|
|
endif
|
| 351 |
|
|
|
| 352 |
|
|
ifdef CONFIG_CPU_LITTLE_ENDIAN
|
| 353 |
|
|
32bit-bfd = elf32-tradlittlemips
|
| 354 |
|
|
64bit-bfd = elf64-tradlittlemips
|
| 355 |
|
|
else
|
| 356 |
|
|
32bit-bfd = elf32-tradbigmips
|
| 357 |
|
|
64bit-bfd = elf64-tradbigmips
|
| 358 |
|
|
endif
|
| 359 |
|
|
|
| 360 |
|
|
|
| 361 |
|
|
AFLAGS += $(GCCFLAGS)
|
| 362 |
|
|
CFLAGS += $(GCCFLAGS)
|
| 363 |
|
|
|
| 364 |
|
|
LD += --oformat $(32bit-bfd)
|
| 365 |
|
|
|
| 366 |
|
|
|
| 367 |
|
|
LINKFLAGS += -Ttext $(LOADADDR)
|
| 368 |
|
|
|
| 369 |
|
|
HEAD := arch/mips64/kernel/head.o arch/mips64/kernel/init_task.o
|
| 370 |
|
|
|
| 371 |
|
|
SUBDIRS := $(addprefix arch/mips/, tools) $(SUBDIRS) $(addprefix arch/mips64/, kernel mm lib)
|
| 372 |
|
|
CORE_FILES := arch/mips64/kernel/kernel.o arch/mips64/mm/mm.o $(CORE_FILES)
|
| 373 |
|
|
LIBS := arch/mips64/lib/lib.a $(LIBS)
|
| 374 |
|
|
|
| 375 |
|
|
MAKEBOOT = $(MAKE) -C arch/$(ARCH)/boot
|
| 376 |
|
|
|
| 377 |
|
|
vmlinux: arch/mips64/ld.script.elf32
|
| 378 |
|
|
arch/mips64/ld.script.elf32: arch/mips64/ld.script.elf32.S
|
| 379 |
|
|
$(CPP) -C -P -I$(HPATH) -imacros $(HPATH)/asm-mips64/sn/mapped_kernel.h -Umips arch/mips64/ld.script.elf32.S > arch/mips64/ld.script.elf32
|
| 380 |
|
|
|
| 381 |
|
|
ifdef CONFIG_MAPPED_KERNEL
|
| 382 |
|
|
vmlinux.64: vmlinux
|
| 383 |
|
|
$(OBJCOPY) -O $(64bit-bfd) --remove-section=.reginfo --change-addresses=0xc000000080000000 $< $@
|
| 384 |
|
|
else
|
| 385 |
|
|
vmlinux.64: vmlinux
|
| 386 |
|
|
$(OBJCOPY) -O $(64bit-bfd) --remove-section=.reginfo --change-addresses=0xa800000080000000 $< $@
|
| 387 |
|
|
endif
|
| 388 |
|
|
|
| 389 |
|
|
vmlinux.ecoff: vmlinux
|
| 390 |
|
|
@$(MAKEBOOT) $@
|
| 391 |
|
|
|
| 392 |
|
|
archclean:
|
| 393 |
|
|
@$(MAKEBOOT) clean
|
| 394 |
|
|
$(MAKE) -C arch/mips/tools clean
|
| 395 |
|
|
rm -f vmlinux.64 arch/$(ARCH)/ld.script.elf32
|
| 396 |
|
|
|
| 397 |
|
|
archmrproper:
|
| 398 |
|
|
@$(MAKEBOOT) mrproper
|
| 399 |
|
|
$(MAKE) -C arch/mips/tools mrproper
|
| 400 |
|
|
$(RM) $(TOPDIR)/include/asm-$(ARCH)/offset.h
|
| 401 |
|
|
|
| 402 |
|
|
archdep:
|
| 403 |
|
|
if [ ! -f $(TOPDIR)/include/asm-$(ARCH)/offset.h ]; then \
|
| 404 |
|
|
touch $(TOPDIR)/include/asm-$(ARCH)/offset.h; \
|
| 405 |
|
|
fi;
|
| 406 |
|
|
@$(MAKEBOOT) dep
|
