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litex/software/common.mak

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Copy some software code from the original Milkymist SoC. Libbase should keep its RAM usage to a minimum as it is meant to be executed before the SDRAM is up and running. (Having lots of code is OK though as we XIP from the flash)
2012-02-03 06:08:17 -05:00
# Mico32 toolchain
#
CROSS_COMPILER=lm32-rtems4.11-
software: use the Clang/LLVM compiler
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CLANG=clang -ccc-host-triple mico32-generic-generic -ccc-gcc-name $(CROSS_COMPILER)gcc
Copy some software code from the original Milkymist SoC. Libbase should keep its RAM usage to a minimum as it is meant to be executed before the SDRAM is up and running. (Having lots of code is OK though as we XIP from the flash)
2012-02-03 06:08:17 -05:00
software: use the Clang/LLVM compiler
2012-02-07 06:52:34 -05:00
CC_normal := $(CLANG)
Copy some software code from the original Milkymist SoC. Libbase should keep its RAM usage to a minimum as it is meant to be executed before the SDRAM is up and running. (Having lots of code is OK though as we XIP from the flash)
2012-02-03 06:08:17 -05:00
AR_normal := $(CROSS_COMPILER)ar
AS_normal := $(CROSS_COMPILER)as
LD_normal := $(CROSS_COMPILER)ld
OBJCOPY_normal := $(CROSS_COMPILER)objcopy
software: dependencies the Werner way
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RANLIB_normal := $(CROSS_COMPILER)ranlib
Copy some software code from the original Milkymist SoC. Libbase should keep its RAM usage to a minimum as it is meant to be executed before the SDRAM is up and running. (Having lots of code is OK though as we XIP from the flash)
2012-02-03 06:08:17 -05:00
software: use the Clang/LLVM compiler
2012-02-07 06:52:34 -05:00
CC_quiet = @echo " CC " $@ && $(CLANG)
Copy some software code from the original Milkymist SoC. Libbase should keep its RAM usage to a minimum as it is meant to be executed before the SDRAM is up and running. (Having lots of code is OK though as we XIP from the flash)
2012-02-03 06:08:17 -05:00
AR_quiet = @echo " AR " $@ && $(CROSS_COMPILER)ar
AS_quiet = @echo " AS " $@ && $(CROSS_COMPILER)as
LD_quiet = @echo " LD " $@ && $(CROSS_COMPILER)ld
OBJCOPY_quiet = @echo " OBJCOPY " $@ && $(CROSS_COMPILER)objcopy
software: dependencies the Werner way
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RANLIB_quiet = @echo " RANLIB " $@ && $(CROSS_COMPILER)ranlib
Copy some software code from the original Milkymist SoC. Libbase should keep its RAM usage to a minimum as it is meant to be executed before the SDRAM is up and running. (Having lots of code is OK though as we XIP from the flash)
2012-02-03 06:08:17 -05:00
ifeq ($(V),1)
CC = $(CC_normal)
AR = $(AR_normal)
AS = $(AS_normal)
LD = $(LD_normal)
OBJCOPY = $(OBJCOPY_normal)
software: dependencies the Werner way
2012-02-03 06:25:55 -05:00
RANLIB = $(RANLIB_normal)
Copy some software code from the original Milkymist SoC. Libbase should keep its RAM usage to a minimum as it is meant to be executed before the SDRAM is up and running. (Having lots of code is OK though as we XIP from the flash)
2012-02-03 06:08:17 -05:00
else
CC = $(CC_quiet)
AR = $(AR_quiet)
AS = $(AS_quiet)
LD = $(LD_quiet)
OBJCOPY = $(OBJCOPY_quiet)
software: dependencies the Werner way
2012-02-03 06:25:55 -05:00
RANLIB = $(RANLIB_quiet)
Copy some software code from the original Milkymist SoC. Libbase should keep its RAM usage to a minimum as it is meant to be executed before the SDRAM is up and running. (Having lots of code is OK though as we XIP from the flash)
2012-02-03 06:08:17 -05:00
endif
# Toolchain options
#
software: cleanup CFLAGS
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INCLUDES = -I$(M2DIR)/software/include/base -I$(M2DIR)/software/include -I$(M2DIR)/common
ASFLAGS = -nostdinc $(INCLUDES)
Copy some software code from the original Milkymist SoC. Libbase should keep its RAM usage to a minimum as it is meant to be executed before the SDRAM is up and running. (Having lots of code is OK though as we XIP from the flash)
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CFLAGS = -O9 -Wall -Wstrict-prototypes -Wold-style-definition -Wshadow \
software: cleanup CFLAGS
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-Wmissing-prototypes -fsigned-char -nostdinc $(INCLUDES)
Copy some software code from the original Milkymist SoC. Libbase should keep its RAM usage to a minimum as it is meant to be executed before the SDRAM is up and running. (Having lots of code is OK though as we XIP from the flash)
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LDFLAGS = -nostdlib -nodefaultlibs
software: dependencies the Werner way
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# compile and generate dependencies, based on
# http://scottmcpeak.com/autodepend/autodepend.html
%.o: %.c
$(CC) -c $(CFLAGS) $*.c -o $*.o
@$(CC_normal) -MM $(CFLAGS) $*.c > $*.d
@mv -f $*.d $*.d.tmp
@sed -e 's|.*:|$*.o:|' < $*.d.tmp > $*.d
@sed -e 's/.*://' -e 's/\\$$//' < $*.d.tmp | fmt -1 | \
sed -e 's/^ *//' -e 's/$$/:/' >> $*.d
@rm -f $*.d.tmp