47 lines
1.2 KiB
Makefile
47 lines
1.2 KiB
Makefile
# environment vaiables read:
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# BOARD = {ml402, denano, sim}
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# TLB = {no, yes}
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# ENDIANESS = {eb, el}
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BOARD ?= ml402
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TLB ?= no
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ENDIANESS ?= eb
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DEBUGGER ?= gdb
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ifeq ($(ENDIANESS),el)
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ENDIAN_FLAGS=-EL
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else
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ENDIAN_FLAGS=-EB
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endif
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ifeq ($(DEBUGGER),gdb)
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DBG_FLAGS := -DWITH_DEBUGGER -DWITH_GDB_STUB
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DBG_OBJ := gdb_stub.o
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endif
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ifeq ($(DEBUGGER),mips)
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DBG_FLAGS := -DWITH_DEBUGGER
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DBG_OBJ := mips_dbg.o mips_dis.o
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endif
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CFLAGS=$(ENDIAN_FLAGS) -Os -ffunction-sections -fdata-sections -I. -I../libsys -msoft-float -march=r3000 -G0 -I../libsys/boards/$(BOARD) -D$(BOARD) $(DBG_FLAGS)
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LFLAGS=$(ENDIAN_FLAGS) -Os -nostartfiles -nodefaultlibs -nostdlib -Wl,--gc-sections -Wl,-M
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ifeq ($(TLB),yes)
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CFLAGS+=-DSYS_IO_BASE=0xAC000000 -DSDRAM_BASE=0x80000000 -DFLASH_BASE_IO=0xA4000000 -DFLASH_BASE_MEM=0x88000000
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LFLAGS+=-T bootloader_tlb.ld
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else
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CFLAGS+=-DSYS_IO_BASE=0xA0000000 -DSDRAM_BASE=0x40000000 -DFLASH_BASE_IO=0xA4000000 -DFLASH_BASE_MEM=0x00000000
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LFLAGS+=-T bootloader.ld
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endif
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BUILD_DIR=./build/$(BOARD)/$(ENDIANESS)
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LIBS=-lc -lgcc
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CFLAGS += -DXCP_SIZE=4096
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CC=mips-elf-gcc
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LD=mips-elf-gcc
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OBJDUMP=mips-elf-objdump
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OBJCOPY=mips-elf-objcopy
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ROMGEN=romgen
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