gint/Makefile

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#! /usr/bin/make -f
#---
#
# gint project Makefile.
#
#---
#---
# Project variables.
#---
# Modules
modules-gint = core keyboard mmu mpu rtc screen timer \
bopti display gray tales
modules-libc = setjmp string stdio stdlib time
# Targets
target-g1a = gintdemo.g1a
target-lib = libgint.a
target-std = libc.a
# Tools
cc = sh3eb-elf-gcc
as = sh3eb-elf-as
ar = sh3eb-elf-ar
ob = sh3eb-elf-objcopy
wr = g1a-wrapper
# Flags
cflags = -m3 -mb -nostdlib -I include -ffreestanding -std=c11 -Os \
-W -Wall -Wextra -pedantic
# Demo application (could be done better)
demo-src = $(notdir $(wildcard demo/*.[cs]))
demo-dep = $(wildcard demo/*.h)
demo-ld = demo/gintdemo.ld
demo-icon = demo/icon.bmp
demo-res = $(notdir $(wildcard demo/resources/*))
demo-obj = $(patsubst %,build/demo_%.o,$(demo-src) $(demo-res))
demo-elf = build/gintdemo.elf
demo-bin = build/gintdemo.bin
demo-libs = -L. -lgint -lc -lgcc
# Specific objects
obj-lib-spec = build/display_font_system.bmp.o
obj-std-spec =
#---
# Automatic variables.
#---
# Modules are subfolders of src/.
modules = $(modules-gint) $(modules-libc)
define n
# This is a newline character.
endef
# Module-scope variables.
$(foreach mod, $(modules), $(eval \
mod-$(mod)-c = $(notdir $(wildcard src/$(mod)/*.c)) $n\
mod-$(mod)-asm = $(notdir $(wildcard src/$(mod)/*.s)) $n\
mod-$(mod)-src = $$(mod-$(mod)-c)$$(mod-$(mod)-asm) $n\
mod-$(mod)-obj = $$(patsubst %,build/$(mod)_%.o,$$(mod-$(mod)-src)) \
))
# Target-scope variables.
obj-std = $(foreach mod,$(modules-libc),$(mod-$(mod)-obj)) $(obj-std-spec)
obj-lib = $(foreach mod,$(modules-gint),$(mod-$(mod)-obj)) $(obj-lib-spec)
# Dependencies
hdr-dep = $(wildcard include/*.h include/internals/*.h)
#---
# Rule templates.
#---
# C source file template:
# $1 module name
# $2 filename
# $3 dependencies
define rule-c-source
build/$1_$2.o: src/$1/$2 $3
$(cc) -c $$< -o $$@ $(cflags) -I src/$1
endef
# asm source file template:
# $1 module name
# $2 filename
define rule-asm-source
build/$1_$2.o: src/$1/$2
$(as) -c $$< -o $$@
endef
#---
# Building.
#---
# Generic rules
all: build $(target-std) $(target-lib) $(target-g1a)
@echo "[ \033[32;1mOK\033[0m ] All done!"
build:
mkdir -p $@
$(target-std): $(obj-std)
$(ar) rcs $@ $^
@echo "[ \033[32;1mOK\033[0m ] libc: `stat -c %s $@` bytes"
$(target-lib): $(target-std) $(obj-lib)
$(ar) rcs $@ $(obj-lib)
@echo "[ \033[32;1mOK\033[0m ] libgint: `stat -c %s $@` bytes"
$(target-g1a): $(target-std) $(target-lib) $(demo-obj)
$(cc) -o $(demo-elf) $(cflags) -T $(demo-ld) $(demo-obj) $(demo-libs)
$(ob) -R .comment -R .bss -O binary $(demo-elf) $(demo-bin)
$(wr) $(demo-bin) -o $@ -i $(demo-icon)
@echo "[ \033[32;1mOK\033[0m ] demo app: `stat -c %s $@` bytes"
# Automated rules
$(foreach mod,$(modules), \
$(foreach source,$(mod-$(mod)-c), $(eval \
$(call rule-c-source,$(mod),$(source),$(hdr-dep)))) \
$(foreach source,$(mod-$(mod)-asm), $(eval \
$(call rule-asm-source,$(mod),$(source)))) \
)
# Specific rules
# This one should not be optimized. It makes __attribute__((interrupt_handler))
# buggy... maybe. Anyway there's a bug in this file.
build/core_gint.c.o: src/core/gint.c $(mod-core-dep)
$(cc) -c $< -o $@ $(cflags) -I src/core -O0
build/display_font_system.bmp.o: src/display/font_system.bmp
fxconv $< -o $@ --font -n gint_font_system
# Demo application
build/demo_%.c.o: demo/%.c $(hdr-dep) $(demo-dep)
$(cc) -c $< -o $@ $(cflags)
build/demo_font_%.bmp.o: demo/resources/font_%.bmp
fxconv $< -o $@ --font -n $(patsubst demo/resources/%.bmp,res_%,$<)
build/demo_%.bmp.o: demo/resources/%.bmp
fxconv $< -o $@ -n $(patsubst demo/resources/%.bmp,res_%,$<)
#---
# Cleaning and others.
#---
clean:
@ rm -rf build/*
mrproper: clean
@ rm -f $(target-g1a) $(target-lib) $(target-std)
@ rm -rf build
distclean: mrproper
install:
usb-connector SEND $(target-g1a) $(target-g1a) fls0
.PHONY: all clean mrproper distclean