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[sw] Makefile refactor - added centrallized Makefile infra for maximizing reuse across SW test, lib and boot_rom targets - existing Make flows still remain (for the timebeing; will remove it once all approve of this) - all make commands are to be run from sw/ area - updated with chip_info generation - TODOs - add some documentation - need to fix support for external apps, eg coremark [dv,sw] coremark port now works - updates to get external app (coremark) compiling with the refactored flow - added ability to compile targets with external Makefiles with STANDALONE_SW var - added sw/benchmarks/srcs.mk to supply STANDALONE_CMD to build custom app [dv,sw] removed existing Makefiles (deprecated)
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| Original file line number | Diff line number | Diff line change |
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| # Copyright lowRISC contributors. | ||
| # Licensed under the Apache License, Version 2.0, see LICENSE for details. | ||
| # SPDX-License-Identifier: Apache-2.0 | ||
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| #################################################################################################### | ||
| ## Generate a baremetal application for the microcontroller ## | ||
| ## Mandatory variables that need to be set over the command line: ## | ||
| ## SW_DIR: this is the partial directory path to the SW test being built starting from sw/ ## | ||
| ## ex: if running hello_world.c, then SW_DIR=examples/hello_world ## | ||
| ## At this location, there needs to be a 'srcs.mk' file that contains the list of ## | ||
| ## SW_SRCS to be built for that SW test. ## | ||
| ## SW_NAME: This is the name of the SW test begin run. Optional if SW_DIR name (last dir) is ## | ||
| ## the same as the SW test name. ## | ||
| ## ## | ||
| ## Optional variables: ## | ||
| ## SW_BUILD_DIR: This is the output location for generating all sources ## | ||
| ## SW_FLAGS Global args to pass on to the compiler ## | ||
| ## SW_OPTS Global args to pass on to the sub-make commands ## | ||
| #################################################################################################### | ||
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| # Generate a baremetal application for the microcontroller | ||
| SW_ROOT_DIR := $(shell dirname $(realpath $(lastword $(MAKEFILE_LIST)))) | ||
| SW_DIR ?= examples/hello_world | ||
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| # sources | ||
| STANDALONE_SW ?= 0 | ||
| include ${SW_DIR}/srcs.mk | ||
| include exts/common/srcs.mk | ||
| include lib/srcs.mk | ||
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| # common options and rules | ||
| include opts.mk | ||
| include rules.mk |
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| # Copyright lowRISC contributors. | ||
| # Licensed under the Apache License, Version 2.0, see LICENSE for details. | ||
| # SPDX-License-Identifier: Apache-2.0 | ||
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| COREMARK_DIR = $(SW_ROOT_DIR)/vendor/$(SW_NAME) | ||
| COREMARK_PORT = $(SW_ROOT_DIR)/$(SW_DIR)/top_earlgrey | ||
| STANDALONE_SW := 1 | ||
| STANDALONE_CMD = $(MAKE) $(IMG_OUTPUTS) -C $(COREMARK_DIR) \ | ||
| PORT_DIR=$(COREMARK_PORT) \ | ||
| SW_DIR=$(SW_DIR) \ | ||
| SW_ROOT_DIR=$(SW_ROOT_DIR) \ | ||
| SW_BUILD_DIR=$(SW_BUILD_DIR) \ | ||
| MAKEFLAGS=$(MAKEFLAGS) |
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| #File : core_portme.mak | ||
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| NAME = coremark | ||
| PORTME_DIR := $(shell dirname $(realpath $(lastword $(MAKEFILE_LIST)))) | ||
| PROGRAM_DIR := $(PORTME_DIR)/../ | ||
| include ${SW_ROOT_DIR}/opts.mk | ||
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| include ${PROGRAM_DIR}/../../exts/common/options.mk | ||
| PORT_CLEAN := $(OUTFILES) | ||
| PORT_CLEAN := $(IMG_OUTPUTS) | ||
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| # FLAG : EXE, OEXT | ||
| # Extensions of generated outputs | ||
| OEXT = .o | ||
| EXE = .elf | ||
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| # FLAG : OPATH | ||
| # Path to the output folder. Default - current folder. | ||
| OPATH = $(SW_BUILD_DIR)/ | ||
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| # Flag : OUTFLAG | ||
| # Use this flag to define how to to get an executable (e.g -o) | ||
| OUTFLAG= -T $(LINKER_SCRIPT) -L$(LIB_DIR) -l$(LIB_NAME) -Xlinker -Map=coremark.map -o | ||
| # Flag : CC | ||
| # Use this flag to define compiler to use | ||
| CC = $(RV_TOOLS)/riscv32-unknown-elf-gcc | ||
| # Flag : LD | ||
| # Use this flag to define compiler to use | ||
| LD = $(RV_TOOLS)/riscv32-unknown-elf-ld | ||
| # Flag : AS | ||
| # Use this flag to define compiler to use | ||
| AS = $(RV_TOOLS)/riscv32-unknown-elf-as | ||
| # Use this flag to define how to to get an executable (e.g -o) | ||
| OUTFLAG = $(LINK_OPTS) -o | ||
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| # Flag : CFLAGS | ||
| # Use this flag to define compiler options. Note, you can add compiler options from the command line using XCFLAGS="other flags" | ||
| PORT_CFLAGS = -DTOTAL_DATA_SIZE=6000 -DMAIN_HAS_NOARGC=1 | ||
| FLAGS_STR = "$(PORT_CFLAGS) $(XCFLAGS) $(XLFLAGS) $(LFLAGS_END)" | ||
| CFLAGS += $(PORT_CFLAGS) $(XCFLAGS) -I$(PORT_DIR) -I. -I$(LIB_DIR) | ||
| #Flag : LFLAGS_END | ||
| # Define any libraries needed for linking or other flags that should come at the end of the link line (e.g. linker scripts). | ||
| # Note : On certain platforms, the default clock_gettime implementation is supported but requires linking of librt. | ||
| #SEPARATE_COMPILE=1 | ||
| # Use this flag to define compiler options. Note, you can add compiler options | ||
| # from the command line using XCFLAGS="other flags" | ||
| PORT_CFLAGS = -DTOTAL_DATA_SIZE=6000 -DMAIN_HAS_NOARGC=1 | ||
| FLAGS_STR = "$(PORT_CFLAGS) $(XCFLAGS) $(XLFLAGS) $(LFLAGS_END)" | ||
| CFLAGS += $(PORT_CFLAGS) $(XCFLAGS) -I$(PORT_DIR) -I. $(INCS) | ||
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| # Flag : LFLAGS_END | ||
| # Define any libraries needed for linking or other flags that should come | ||
| # at the end of the link line (e.g. linker scripts). | ||
| # Note : On certain platforms, the default clock_gettime implementation | ||
| # is supported but requires linking of librt. | ||
| LFLAGS_END = | ||
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| # Flag : SEPARATE_COMPILE | ||
| # Do compile and link steps separately. Not needed at this point. | ||
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| # You must also define below how to create an object file, and how to link. | ||
| OBJOUT = -o | ||
| LFLAGS = | ||
| OBJOUT = -o | ||
| LFLAGS = | ||
| ASFLAGS = | ||
| OFLAG = -o | ||
| COUT = -c | ||
| OFLAG = -o | ||
| COUT = -c | ||
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| LFLAGS_END = | ||
| # Flag : PORT_SRCS | ||
| # Port specific source files can be added here | ||
| # You may also need cvt.c if the fcvt functions are not provided as intrinsics by your compiler! | ||
| # Port specific source files can be added here | ||
| # You may also need cvt.c if the fcvt functions are not provided as intrinsics by your compiler! | ||
| PORT_SRCS = $(PORT_DIR)/core_portme.c $(PORT_DIR)/ee_printf.c $(EXT_SRCS) | ||
| vpath %.c $(PORT_DIR) | ||
| vpath %.s $(PORT_DIR) | ||
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| # Flag : LOAD | ||
| # For a simple port, we assume self hosted compile and run, no load needed. | ||
| # For a simple port, we assume self hosted compile and run, no load needed. | ||
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| # Flag : RUN | ||
| # For a simple port, we assume self hosted compile and run, simple invocation of the executable | ||
| # For a simple port, we assume self hosted compile and run, simple invocation of the executable | ||
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| # Flag : MKDIR | ||
| MKDIR = mkdir -p | ||
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| LOAD = echo "Please set LOAD to the process of loading the executable to the flash" | ||
| RUN = echo "Please set LOAD to the process of running the executable (e.g. via jtag, or board reset)" | ||
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| OEXT = .o | ||
| EXE = .elf | ||
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| $(OPATH)$(PORT_DIR)/%$(OEXT) : %.c | ||
| $(OPATH)%$(OEXT) : %.c | ||
| $(CC) $(CFLAGS) $(XCFLAGS) $(COUT) $< $(OBJOUT) $@ | ||
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| $(OPATH)%$(OEXT) : %.c | ||
| $(OPATH)%$(OEXT) : %.s | ||
| $(AS) $(ASFLAGS) $< $(OBJOUT) $@ | ||
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| $(OPATH)%$(OEXT) : $(PORT_DIR)/%.c | ||
| $(CC) $(CFLAGS) $(XCFLAGS) $(COUT) $< $(OBJOUT) $@ | ||
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| $(OPATH)$(PORT_DIR)/%$(OEXT) : %.s | ||
| $(OPATH)%$(OEXT) : $(PORT_DIR)/%.s | ||
| $(AS) $(ASFLAGS) $< $(OBJOUT) $@ | ||
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| # Target : port_pre% and port_post% | ||
| # For the purpose of this simple port, no pre or post steps needed. | ||
| %.vmem: %.bin | ||
| srec_cat $^ -binary -offset 0x0 -byte-swap 4 -o $@ -vmem | ||
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| .PHONY : port_clean port_prebuild port_postbuild port_prerun port_postrun port_preload port_postload | ||
| %.bin: %.elf | ||
| $(OBJCOPY) -O binary $^ $@ | ||
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| port_postbuild: | ||
| $(RV_TOOLS)/riscv32-unknown-elf-objcopy -O binary coremark.elf coremark.bin | ||
| srec_cat coremark.bin -binary -offset 0x0 -byte-swap 4 -o coremark.vmem -vmem | ||
| $(RV_TOOLS)/riscv32-unknown-elf-objdump -SD coremark.elf > coremark.dis | ||
| %.dis: %.elf | ||
| $(OBJDUMP) -SD $^ > $@ | ||
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| # FLAG : OPATH | ||
| # Path to the output folder. Default - current folder. | ||
| OPATH = ./ | ||
| MKDIR = mkdir -p | ||
| $(SW_BUILD_DIR)/$(IMG_NAME).elf: $(OUTFILE) | ||
| $(MAKE) $(OUTFILE) | ||
| mv $(OUTFILE) $@ | ||
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| # Target : port_pre% and port_post% | ||
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| .PHONY : port_clean port_prebuild port_postbuild port_prerun port_postrun port_preload port_postload |
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