mk/genlink: change devices.data format to remove gcc specific options
As discussed with karlp on irc the devices.data file should not contain gcc specific command line options. For that reason the command line options for gcc are now generated from the variables CPU and FPU by the rules in the mk directory. This breaks the genlink tests. genlink: simplified devices.data devices.data already had the information about the family name. By using the first field (by the pattern used to match it) as family name information that data doesn't have to be provided explicitly. The same data is used to generate the CPPFLAGS, such as -DSTM32F1 The architectures block of the devices.data file was redundant. genlink-config.mk uses family and subfamily to figure out which libopencm3 variant actually exists.
This commit is contained in:
Jonas Meyer
Karl Palsson
parent
2db3d290e7
commit
c025dc0327
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@ -333,75 +333,63 @@ sam3xnfc sam3x NFCRAM=4K NFCRAM_OFF=0x20100000
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# the lpc family groups
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lpc13u lpc13 USBRAM_OFF=0x20004000
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lpc13u lpc13xx USBRAM_OFF=0x20004000
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lpc17[56]x lpc17 RAM1_OFF=0x2007C000 RAM2_OFF=0x20080000
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lpc17[78]x lpc17 RAM1_OFF=0x20000000 RAM2_OFF=0x20040000
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lpc17[56]x lpc17xx RAM1_OFF=0x2007C000 RAM2_OFF=0x20080000
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lpc17[78]x lpc17xx RAM1_OFF=0x20000000 RAM2_OFF=0x20040000
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################################################################################
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################################################################################
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################################################################################
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# the STM32 families
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stm32f0 stm32 ROM_OFF=0x08000000 RAM_OFF=0x20000000 -mcpu=cortex-m0 -mthumb -DSTM32F0 -lopencm3_stm32f0 -msoft-float
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stm32f1 stm32 ROM_OFF=0x08000000 RAM_OFF=0x20000000 -mcpu=cortex-m3 -mthumb -DSTM32F1 -lopencm3_stm32f1 -msoft-float
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stm32f2 stm32 ROM_OFF=0x08000000 RAM_OFF=0x20000000 -mcpu=cortex-m3 -mthumb -DSTM32F2 -lopencm3_stm32f2 -msoft-float
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stm32f3 stm32 ROM_OFF=0x08000000 RAM_OFF=0x20000000 -mcpu=cortex-m4 -mthumb -DSTM32F3 -lopencm3_stm32f3 -mfloat-abi=hard -mfpu=fpv4-sp-d16
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stm32f4 stm32 ROM_OFF=0x08000000 RAM_OFF=0x20000000 -mcpu=cortex-m4 -mthumb -DSTM32F4 -lopencm3_stm32f4 -mfloat-abi=hard -mfpu=fpv4-sp-d16
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stm32f0 END ROM_OFF=0x08000000 RAM_OFF=0x20000000 CPU=cortex-m0 FPU=soft
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stm32f1 END ROM_OFF=0x08000000 RAM_OFF=0x20000000 CPU=cortex-m3 FPU=soft
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stm32f2 END ROM_OFF=0x08000000 RAM_OFF=0x20000000 CPU=cortex-m3 FPU=soft
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stm32f3 END ROM_OFF=0x08000000 RAM_OFF=0x20000000 CPU=cortex-m4 FPU=hard-fpv4-sp-d16
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stm32f4 END ROM_OFF=0x08000000 RAM_OFF=0x20000000 CPU=cortex-m4 FPU=hard-fpv4-sp-d16
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#stm32f7 is supported on GCC-arm-embedded 4.8 2014q4
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stm32f7 stm32 ROM_OFF=0x08000000 RAM_OFF=0x20010000 -mcpu=cortex-m7 -mthumb -DSTM32F7 -lopencm3_stm32f7 -mfloat-abi=hard -mfpu=fpv5-sp-d16
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stm32l0 stm32 ROM_OFF=0x08000000 RAM_OFF=0x20000000 -mcpu=cortex-m0plus -mthumb -DSTM32L0 -lopencm3_stm32l0 -msoft-float
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stm32l1 stm32 ROM_OFF=0x08000000 RAM_OFF=0x20000000 -mcpu=cortex-m3 -mthumb -DSTM32L1 -lopencm3_stm32l1 -msoft-float
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stm32l4 stm32 ROM_OFF=0x08000000 RAM_OFF=0x20000000 -mcpu=cortex-m4 -mthumb -DSTM32L4 -lopencm3_stm32l4 -mfloat-abi=hard -mfpu=fpv4-sp-d16
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stm32w stm32 ROM_OFF=0x08000000 RAM_OFF=0x20000000 -mcpu=cortex-m3 -mthumb
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stm32t stm32 ROM_OFF=0x08000000 RAM_OFF=0x20000000 -mcpu=cortex-m3 -mthumb
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stm32f7 END ROM_OFF=0x08000000 RAM_OFF=0x20010000 CPU=cortex-m7 FPU=hard-fpv5-sp-d16
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stm32l0 END ROM_OFF=0x08000000 RAM_OFF=0x20000000 CPU=cortex-m0plus FPU=soft
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stm32l1 END ROM_OFF=0x08000000 RAM_OFF=0x20000000 CPU=cortex-m3 FPU=soft
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stm32l4 END ROM_OFF=0x08000000 RAM_OFF=0x20000000 CPU=cortex-m4 FPU=hard-fpv4-sp-d16
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stm32w END ROM_OFF=0x08000000 RAM_OFF=0x20000000 CPU=cortex-m3 FPU=soft
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stm32t END ROM_OFF=0x08000000 RAM_OFF=0x20000000 CPU=cortex-m3 FPU=soft
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################################################################################
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# the SAM3 families
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sam3a sam3 ROM_OFF=0x00080000 RAM_OFF=0x20000000 RAM1_OFF=0x20080000
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sam3n sam3 ROM_OFF=0x00400000 RAM_OFF=0x20000000
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sam3s sam3 ROM_OFF=0x00400000 RAM_OFF=0x20000000
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sam3u sam3 ROM_OFF=0x00080000 RAM_OFF=0x20000000 RAM1_OFF=0x20080000 NFCRAM=4K NFCRAM_OFF=0x20100000
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sam3x sam3 ROM_OFF=0x00080000 RAM_OFF=0x20000000 RAM1_OFF=0x20080000
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sam3a END ROM_OFF=0x00080000 RAM_OFF=0x20000000 RAM1_OFF=0x20080000 CPU=cortex-m3 FPU=soft
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sam3n END ROM_OFF=0x00400000 RAM_OFF=0x20000000 CPU=cortex-m3 FPU=soft
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sam3s END ROM_OFF=0x00400000 RAM_OFF=0x20000000 CPU=cortex-m3 FPU=soft
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sam3u END ROM_OFF=0x00080000 RAM_OFF=0x20000000 RAM1_OFF=0x20080000 NFCRAM=4K NFCRAM_OFF=0x20100000 CPU=cortex-m3 FPU=soft
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sam3x END ROM_OFF=0x00080000 RAM_OFF=0x20000000 RAM1_OFF=0x20080000 CPU=cortex-m3 FPU=soft
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################################################################################
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# the lpc families
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lpc13 lpc ROM_OFF=0x00000000 RAM_OFF=0x10000000 RAM1_OFF=0x20000000
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lpc17 lpc ROM_OFF=0x00000000 RAM_OFF=0x10000000
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lpc13xx END ROM_OFF=0x00000000 RAM_OFF=0x10000000 RAM1_OFF=0x20000000 CPU=cortex-m3 FPU=soft
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lpc17xx END ROM_OFF=0x00000000 RAM_OFF=0x10000000 CPU=cortex-m3 FPU=soft
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################################################################################
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# the efm32 Gecko families
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efm32zg efm32 ROM_OFF=0x00000000 RAM_OFF=0x20000000 RAM1_OFF=0x10000000
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efm32tg efm32 ROM_OFF=0x00000000 RAM_OFF=0x20000000 RAM1_OFF=0x10000000
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efm32g efm32 ROM_OFF=0x00000000 RAM_OFF=0x20000000 RAM1_OFF=0x10000000
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efm32lg efm32 ROM_OFF=0x00000000 RAM_OFF=0x20000000 RAM1_OFF=0x10000000
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efm32gg efm32 ROM_OFF=0x00000000 RAM_OFF=0x20000000 RAM1_OFF=0x10000000
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efm32wg efm32 ROM_OFF=0x00000000 RAM_OFF=0x20000000 RAM1_OFF=0x10000000
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efm32zg END ROM_OFF=0x00000000 RAM_OFF=0x20000000 RAM1_OFF=0x10000000 CPU=cortex-m0plus FPU=soft
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efm32tg END ROM_OFF=0x00000000 RAM_OFF=0x20000000 RAM1_OFF=0x10000000 CPU=cortex-m3 FPU=soft
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efm32g END ROM_OFF=0x00000000 RAM_OFF=0x20000000 RAM1_OFF=0x10000000 CPU=cortex-m3 FPU=soft
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efm32lg END ROM_OFF=0x00000000 RAM_OFF=0x20000000 RAM1_OFF=0x10000000 CPU=cortex-m3 FPU=soft
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efm32gg END ROM_OFF=0x00000000 RAM_OFF=0x20000000 RAM1_OFF=0x10000000 CPU=cortex-m3 FPU=soft
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efm32wg END ROM_OFF=0x00000000 RAM_OFF=0x20000000 RAM1_OFF=0x10000000 CPU=cortex-m4 FPU=hard-fpv4-sp-d16
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################################################################################
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# Cortex LM3 families
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lm3fury lm3 ROM_OFF=0x00000000 RAM_OFF=0x20000000
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lm3sandstorm lm3 ROM_OFF=0x00000000 RAM_OFF=0x20000000
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lm3fury lm3s
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lm3sandstorm lm3s
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lm3s END ROM_OFF=0x00000000 RAM_OFF=0x20000000 CPU=cortex-m3 FPU=soft
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################################################################################
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# Cortex R4F families
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rm46l rm4 ROM_OFF=0x00000000 RAM_OFF=0x08000000 RAM1_OFF=0x08400000
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################################################################################
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################################################################################
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################################################################################
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# the architectures
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stm32 END
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sam3 END
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lpc END
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efm32 END
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lm3 END
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rm4 END
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rm46l END ROM_OFF=0x00000000 RAM_OFF=0x08000000 RAM1_OFF=0x08400000
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56
mk/README
56
mk/README
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@ -15,34 +15,31 @@ where you are defining variables (near the beginning of the file), and file
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<module>-rules.mk should be included in the rules part of makefile (somewhere
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near to the end of file).
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Example makefile using gcc compiler module:
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Example makefile using the gcc compiler module together with the linker script
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generator module:
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>>>>>>
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OBJS += foo.o bar.o
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DEVICE =
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OPENCM3_DIR =
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OBJS += foo.o
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CFLAGS += -O0 -g
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CPPFLAGS += -MD -MP $(@F).d
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CPPFLAGS += $(DEFS)
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CPPFLAGS += $(INCS)
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LDFLAGS += --static --nostartfiles
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LDLIBS += -Wl,--start-group -lc -lgcc -lnosys -Wl,--end-group
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# parameters for gcc module
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PREFIX = arm-elf
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CFLAGS += -Os -ggdb3
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CPPFLAGS += -MD
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LDFLAGS += -static -nostartfiles
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LDLIBS += -Wl,--start-group -lc -lgcc -lnosys -Wl,--end-group
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include $(OPENCM3_DIR)/mk/genlink-config.mk
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include $(OPENCM3_DIR)/mk/gcc-config.mk
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.PHONY: clean all
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all: binary.images
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%.images: %.elf %.hex
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include $(OPENCM3_DIR)/mk/gcc-rules.mk
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all: binary.elf binary.hex
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clean:
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$(Q)$(RM) -rf binary.* *.o *.d
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$(Q)$(RM) -rf binary.* *.o
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-include $(OBJS:.o=.d)
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include $(OPENCM3_DIR)/mk/genlink-rules.mk
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include $(OPENCM3_DIR)/mk/gcc-rules.mk
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<<<<<<
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@ -81,7 +78,8 @@ genlink
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This module adds an support for the user to the linker script generator. The
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linker script will be generated as the file $(DEVICE).ld in the project folder,
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and automatically used for the linking process.
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and automatically be used for the linking process.
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Additionally the matching library is added to the LDLIBS variable.
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Variables to control the build process (should be set in your makefile):
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------------------------------------------------------------------------
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@ -92,9 +90,9 @@ OPENCM3_DIR The root path of libopencm3 library.
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Output variables from this module:
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----------------------------------
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DEFS (appended)
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- Appended definitions specified in chip database file.
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! Ensure that you have line 'CPPFLAGS += $(DEFS)' in your makefile.
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CPPFLAGS (appended)
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- Appends the chip family to the CPPFLAGS. For example -DSTM32F1
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- Appends the include path for libopencm3
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ARCH_FLAGS (replaced)
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- Architecture build flags for specified chip.
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@ -104,12 +102,16 @@ LDSCRIPT (replaced)
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- Linker script generated file.
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* No needed to handle this variable if you use module <gcc> too.
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OPENCM3_LIBNAME (replaced)
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- The right libopencm3 library base name to be linked with.
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! Ensure that you have line 'LDLIBS += -l$(OPENCM3_LIBNAME)' in your makefile.
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! Ensure that you have line 'LDFLAGS += -L$(OPENCM3_DIR)/lib' in your makefile.
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! Ensure that you have rule '$(OPENCM3_DIR)/lib/lib$(OPENCM3_LIBNAME).a:'
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to be the library archive successfully built when needed.
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LDLIBS (appended)
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- LDLIBS += -lopencm3_$(family) is appended to link against the
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matching library.
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LDFLAGS (appended)
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- LDFLAGS += -L$(OPENCM3_DIR)/lib is appended to make sure the
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matching library can be found.
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family,cpu,fpu (replaced)
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- these are used internally to create the above variables
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Temporary variables that you should not use in your makefile:
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-------------------------------------------------------------
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@ -18,17 +18,62 @@
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##
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ifeq ($(DEVICE),)
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$(error no DEVICE specified for linker script generator)
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$(warning no DEVICE specified for linker script generator)
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endif
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LDSCRIPT = $(DEVICE).ld
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DEVICES_DATA = $(OPENCM3_DIR)/ld/devices.data
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GENLINK_DEFS :=$(shell awk -v PAT="$(DEVICE)" -v MODE="DEFS" -f $(OPENCM3_DIR)/scripts/genlink.awk $(OPENCM3_DIR)/ld/devices.data 2>/dev/null)
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GENLINK_ARCH :=$(shell awk -v PAT="$(DEVICE)" -v MODE="ARCH" -f $(OPENCM3_DIR)/scripts/genlink.awk $(OPENCM3_DIR)/ld/devices.data 2>/dev/null)
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GENLINK_LIB :=$(shell awk -v PAT="$(DEVICE)" -v MODE="LIB" -f $(OPENCM3_DIR)/scripts/genlink.awk $(OPENCM3_DIR)/ld/devices.data 2>/dev/null)
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genlink_family :=$(shell awk -v PAT="$(DEVICE)" -v MODE="FAMILY" -f $(OPENCM3_DIR)/scripts/genlink.awk $(DEVICES_DATA) 2>/dev/null)
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genlink_subfamily :=$(shell awk -v PAT="$(DEVICE)" -v MODE="SUBFAMILY" -f $(OPENCM3_DIR)/scripts/genlink.awk $(DEVICES_DATA) 2>/dev/null)
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genlink_cpu :=$(shell awk -v PAT="$(DEVICE)" -v MODE="CPU" -f $(OPENCM3_DIR)/scripts/genlink.awk $(DEVICES_DATA) 2>/dev/null)
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genlink_fpu :=$(shell awk -v PAT="$(DEVICE)" -v MODE="FPU" -f $(OPENCM3_DIR)/scripts/genlink.awk $(DEVICES_DATA) 2>/dev/null)
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genlink_cppflags :=$(shell awk -v PAT="$(DEVICE)" -v MODE="CPPFLAGS" -f $(OPENCM3_DIR)/scripts/genlink.awk $(DEVICES_DATA) 2>/dev/null)
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DEFS += $(GENLINK_DEFS)
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ARCH_FLAGS := $(GENLINK_ARCH)
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OPENCM3_LIBNAME := $(strip $(subst -l,,$(GENLINK_LIB)))
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CPPFLAGS += $(genlink_cppflags)
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GENFILES += $(LDSCRIPT)
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ARCH_FLAGS :=-mcpu=$(genlink_cpu)
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ifeq ($(genlink_cpu),$(filter $(genlink_cpu),cortex-m0 cortex-m0plus cortex-m3 cortex-m4 cortex-m7))
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ARCH_FLAGS +=-mthumb
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endif
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ifeq ($(genlink_fpu),soft)
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ARCH_FLAGS += -msoft-float
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else ifeq ($(genlink_fpu),hard-fpv4-sp-d16)
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ARCH_FLAGS += -mfloat-abi=hard -mfpu=fpv4-sp-d16
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else ifeq ($(genlink_fpu),hard-fpv5-sp-d16)
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ARCH_FLAGS += -mfloat-abi=hard -mfpu=fpv5-sp-d16
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else
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$(warning No match for the FPU flags)
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endif
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ifeq ($(genlink_family),)
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$(warning $(DEVICE) not found in $(DEVICES_DATA))
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endif
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# only append to LDFLAGS if the library file exists to not break builds
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# where those are provided by different means
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ifneq (,$(wildcard $(OPENCM3_DIR)/lib/libopencm3_$(genlink_family).a))
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LDLIBS += -lopencm3_$(genlink_family)
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else
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ifneq (,$(wildcard $(OPENCM3_DIR)/lib/libopencm3_$(genlink_subfamily).a))
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LDLIBS += -lopencm3_$(genlink_subfamily)
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else
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$(warning $(OPENCM3_DIR)/lib/libopencm3_$(genlink_subfamily).a library variant for the selected device does not exist.)
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endif
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endif
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# only append to LDLIBS if the directory exists
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ifneq (,$(wildcard $(OPENCM3_DIR)/lib))
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LDFLAGS += -L$(OPENCM3_DIR)/lib
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else
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$(warning $(OPENCM3_DIR)/lib as given be OPENCM3_DIR does not exist.)
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endif
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# only append include path to CPPFLAGS if the directory exists
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ifneq (,$(wildcard $(OPENCM3_DIR)/include))
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CPPFLAGS += -I$(OPENCM3_DIR)/include
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else
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$(warning $(OPENCM3_DIR)/include as given be OPENCM3_DIR does not exist.)
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endif
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@ -18,8 +18,5 @@
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##
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$(LDSCRIPT):$(OPENCM3_DIR)/ld/linker.ld.S
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ifeq ($(GENLINK_DEFS),)
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$(error unknown device $(DEVICE) for the linker. Cannot generate ldscript)
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endif
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@printf " GENLNK $@\n"
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$(Q)$(CPP) $(GENLINK_DEFS) -P -E $< > $@
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$(Q)$(CPP) $(ARCH_FLAGS) $(shell awk -v PAT="$(basename $@)" -v MODE="DEFS" -f $(OPENCM3_DIR)/scripts/genlink.awk $(OPENCM3_DIR)/ld/devices.data 2>/dev/null) -P -E $< > $@
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@ -39,27 +39,40 @@ BEGIN {
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if (PAT ~ tmp) {
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if ($2 != "+")
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PAT=$2;
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for (i = 3; i <= NF; i = i + 1) {
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if ($i ~ /^-l/) {
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if ("LIB" ~ MODE)
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printf "%s ",$i;
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for (i = 3; i <= NF; i = i + 1) {
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if ($i ~ /^CPU=/) {
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if ("CPU" ~ MODE){
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sub(/[^=]*=/,"",$i);
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printf "%s",$i;
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exit;
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}
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}
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else if ($i ~ /^-m/) {
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if ("ARCH" ~ MODE)
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printf "%s ",$i;
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else if ($i ~ /^FPU=/) {
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if ("FPU" ~ MODE){
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sub(/[^=]*=/,"",$i);
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printf "%s",$i;
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exit;
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}
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}
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else if ($i ~ /^-D/) {
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if ("DEFS" ~ MODE)
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printf "%s ",$i;
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}
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else {
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else if ($i ~ /[[:upper:]]*=/) {
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if ("DEFS" ~ MODE)
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printf "-D_%s ",$i;
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}
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}
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if (PAT=="END")
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if (PAT=="END"){
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if ("FAMILY" ~ MODE)
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printf "%s",family;
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else if ("SUBFAMILY" ~ MODE)
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printf "%s",subfamily;
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exit;
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}
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else{
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subfamily = family;
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family = PAT;
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if ("CPPFLAGS" ~ MODE)
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printf "-D%s ",toupper(PAT);
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else if("DEFS" ~ MODE)
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printf "-D%s ",toupper(PAT);
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}
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}
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}
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