179 lines
7.3 KiB
Makefile
179 lines
7.3 KiB
Makefile
# Sharp X68000 (elf2x68k / m68k-xelf-gcc) build rules.
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#
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# BRING-UP STATE. This builds libjoey.a and the serial example against the
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# generic backend -- no native primitives, no audio, no sprite codegen yet.
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# See docs/x68000_port.md for what is and is not real.
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#
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# The toolchain is elf2x68k (BSD-3, gcc 13.4.0 / binutils / newlib), staged into
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# toolchains/x68000 by the tarball. m68k-xelf-gcc emits ELF; the driver's
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# -Wl,-elf2x68k pass converts it to a Human68k .X.
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include $(dir $(lastword $(MAKEFILE_LIST)))/common.mk
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# The libxmp-lite rules below define a real target before `all`, which would
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# otherwise silently become make's default goal (symptom: a bare `make -f
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# make/x68000.mk` reports only "libxmplite.a is up to date" and builds nothing).
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.DEFAULT_GOAL := all
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PLATFORM := x68000
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BUILD := $(REPO_DIR)/build/$(PLATFORM)
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LIBDIR := $(BUILD)/lib
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BINDIR := $(BUILD)/bin
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X68K_ROOT := $(REPO_DIR)/toolchains/x68000/m68k-xelf
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X68K_CC := $(X68K_ROOT)/bin/m68k-xelf-gcc
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X68K_AR := $(X68K_ROOT)/bin/m68k-xelf-ar
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# The linker is driven by a wrapper script (m68k-elf/bin/ld.x) that shells out
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# to `m68k-xelf-ld.bfd` by bare name, so the toolchain's own bin/ MUST be on
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# PATH or the link dies with "m68k-xelf-ld.bfd: command not found". Compiling
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# and archiving work fine without it, so this only bites at link time.
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export PATH := $(X68K_ROOT)/bin:$(PATH)
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CFLAGS := $(COMMON_CFLAGS) -m68000 -fomit-frame-pointer \
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-DJOEYLIB_PLATFORM_X68000 \
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-I$(REPO_DIR)/toolchains/audio/libxmp-lite/include \
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-I$(SRC_DIR)/x68000 -I$(SRC_68K) -I$(REPO_DIR)/src/codegen -MMD -MP $(CFLAGS_EXTRA)
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LDFLAGS := -lm
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PORT_C_SRCS := $(wildcard $(SRC_DIR)/x68000/*.c)
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# Port-local 68000 asm, if any lands. Empty today: SCB per-band palettes are
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# done in the pixel expansion (DOS-style), not with a raster ISR, so the port is
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# pure C again.
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PORT_S_SRCS := $(wildcard $(SRC_DIR)/x68000/*.s)
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# No src/m68k sources yet: those are the planar sprite emitters and the planar
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# surface helpers, and this port is still chunky. They come in with the storage
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# model decision.
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# common.mk filters spriteEmitStub.c out of GENERIC_C_SRCS because every
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# shipping port has a real per-CPU emitter. This port does not yet, so add it
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# back: jlSpriteCompile returns false and sprites stay INTERPRETER-ONLY, which
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# is correct but slow (see the "sprites must be compiled or they interpret"
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# note). Replacing this with a real 68k emitter is part of the storage-model
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# work -- src/m68k/spriteEmitPlanar68k.c already exists and, on the text-plane
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# path, needs only AMIGA_PLANE_STRIDE changed at three sites.
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# Real sprite codegen: the shared 68k PLANAR emitter, unchanged. Its
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# AMIGA_PLANE_STRIDE is SURFACE_WIDTH/8 = 40, which is this port's surface
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# stride too -- the display's 128-byte stride never reaches the emitter, which
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# only ever addresses the surface. So sprites COMPILE here rather than
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# interpret; spriteEmitStub.o is gone.
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CODEGEN_DIR := $(REPO_DIR)/src/codegen
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LIB_OBJS := \
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$(patsubst $(SRC_CORE)/%.c,$(BUILD)/obj/core/%.o,$(CORE_C_SRCS)) \
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$(patsubst $(SRC_DIR)/generic/%.c,$(BUILD)/obj/generic/%.o,$(GENERIC_C_SRCS)) \
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$(patsubst $(SRC_DIR)/x68000/%.c,$(BUILD)/obj/port/%.o,$(PORT_C_SRCS)) \
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$(patsubst $(SRC_DIR)/x68000/%.s,$(BUILD)/obj/port/%.o,$(PORT_S_SRCS)) \
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$(BUILD)/obj/68k/spriteEmitPlanar68k.o \
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$(BUILD)/obj/codegen/spriteCompile.o \
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$(BUILD)/obj/codegen/spriteStage.o
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# libxmp-lite: the Protracker decoder shared with the DOS and ST ports. Same
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# build recipe as make/atarist.mk -- LIBXMP_CORE_DISABLE_IT keeps it off math.h,
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# which this newlib does not usefully provide for a 68000 target.
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LIBXMP_DIR := $(REPO_DIR)/toolchains/audio/libxmp-lite
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LIBXMP_SRC := $(filter-out %/win32.c, $(wildcard $(LIBXMP_DIR)/src/*.c) $(wildcard $(LIBXMP_DIR)/src/loaders/*.c))
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LIBXMP_OBJDIR := $(BUILD)/obj/libxmp-lite
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LIBXMP_OBJS := $(patsubst $(LIBXMP_DIR)/src/%.c,$(LIBXMP_OBJDIR)/%.o,$(LIBXMP_SRC))
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LIBXMP_AR := $(LIBDIR)/libxmplite.a
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LIBXMP_CFLAGS := -DLIBXMP_CORE_PLAYER -DLIBXMP_CORE_DISABLE_IT -DHAVE_FNMATCH=0 \
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-I$(LIBXMP_DIR)/include -I$(LIBXMP_DIR)/include/libxmp-lite \
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-I$(LIBXMP_DIR)/src -Wno-error -w
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$(LIBXMP_OBJDIR)/%.o: $(LIBXMP_DIR)/src/%.c
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@mkdir -p $(dir $@)
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$(X68K_CC) $(COMMON_CFLAGS) -m68000 -fomit-frame-pointer $(LIBXMP_CFLAGS) -c $< -o $@
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$(LIBXMP_AR): $(LIBXMP_OBJS)
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@mkdir -p $(dir $@)
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$(X68K_AR) rcs $@ $(LIBXMP_OBJS)
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LIB := $(LIBDIR)/libjoey.a
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PATTERN_SRC := $(EXAMPLES)/pattern/pattern.c
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SERIAL_SRC := $(EXAMPLES)/serial/serial.c
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UBER_SRC := $(EXAMPLES)/uber/uber.c
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AUDIO_SRC := $(EXAMPLES)/audio/audio.c
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.PHONY: all x68000 x68000-lib x68000-examples x68000-verify-serial x68000-verify-golden clean-x68000 clean
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all x68000: x68000-lib x68000-examples
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x68000-lib: $(LIB) $(LIBXMP_AR)
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x68000-examples: $(BINDIR)/SERIAL.X $(BINDIR)/UBER.X $(BINDIR)/AUDIO.X $(BINDIR)/PATTERN.X
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$(BUILD)/obj/core/%.o: $(SRC_CORE)/%.c
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@mkdir -p $(dir $@)
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$(X68K_CC) $(CFLAGS) -c $< -o $@
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$(BUILD)/obj/generic/%.o: $(SRC_DIR)/generic/%.c
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@mkdir -p $(dir $@)
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$(X68K_CC) $(CFLAGS) -c $< -o $@
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# Port-local asm. Same object dir as the port C objects; make picks between the
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# two pattern rules by which prerequisite exists.
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$(BUILD)/obj/port/%.o: $(SRC_DIR)/x68000/%.s
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@mkdir -p $(dir $@)
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$(X68K_CC) $(CFLAGS) -c $< -o $@
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$(BUILD)/obj/68k/%.o: $(SRC_68K)/%.s
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@mkdir -p $(dir $@)
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$(X68K_CC) $(CFLAGS) -c $< -o $@
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$(BUILD)/obj/68k/%.o: $(SRC_68K)/%.c
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@mkdir -p $(dir $@)
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$(X68K_CC) $(CFLAGS) -c $< -o $@
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$(BUILD)/obj/codegen/%.o: $(CODEGEN_DIR)/%.c
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@mkdir -p $(dir $@)
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$(X68K_CC) $(CFLAGS) -I$(CODEGEN_DIR) -c $< -o $@
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$(BUILD)/obj/port/%.o: $(SRC_DIR)/x68000/%.c
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@mkdir -p $(dir $@)
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$(X68K_CC) $(CFLAGS) -c $< -o $@
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$(LIB): $(LIB_OBJS)
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@mkdir -p $(dir $@)
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$(X68K_AR) rcs $@ $(LIB_OBJS)
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# PATTERN is the SCB acceptance vehicle: 8 bands of 25 lines with 8 gradient
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# palettes, so a mis-placed band boundary is immediately visible.
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$(BINDIR)/PATTERN.X: $(PATTERN_SRC) $(LIB) $(LIBXMP_AR)
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@mkdir -p $(dir $@)
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$(X68K_CC) $(CFLAGS) $(PATTERN_SRC) $(LIB) $(LIBXMP_AR) $(LDFLAGS) -o $@
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$(BINDIR)/SERIAL.X: $(SERIAL_SRC) $(LIB) $(LIBXMP_AR)
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@mkdir -p $(dir $@)
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$(X68K_CC) $(CFLAGS) $(SERIAL_SRC) $(LIB) $(LIBXMP_AR) $(LDFLAGS) -o $@
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# UBER is the golden-hash vehicle: it exercises every public op and prints a
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# hash per op, which tools/diff-uber-hashes compares against the IIgs reference.
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$(BINDIR)/UBER.X: $(UBER_SRC) $(LIB) $(LIBXMP_AR)
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@mkdir -p $(dir $@)
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$(X68K_CC) $(CFLAGS) $(UBER_SRC) $(LIB) $(LIBXMP_AR) $(LDFLAGS) -o $@
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# AUDIO exercises both audio paths: JYM1 chip music on the OPM and MOD/SFX
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# through the ADPCM channel.
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$(BINDIR)/AUDIO.X: $(AUDIO_SRC) $(LIB) $(LIBXMP_AR)
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@mkdir -p $(dir $@)
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$(X68K_CC) $(CFLAGS) $(AUDIO_SRC) $(LIB) $(LIBXMP_AR) $(LDFLAGS) -o $@
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# Both-directions RS-232C gate (~1 min).
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x68000-verify-serial: $(BINDIR)/SERIAL.X
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$(REPO_DIR)/scripts/verify-x68000-serial.sh
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# Golden-hash gate against the Apple IIgs reference (~70 min: UBER on the
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# generic renderer is slow and must reach jlLogFlush before hashes exist).
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x68000-verify-golden: $(LIB) $(LIBXMP_AR)
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$(REPO_DIR)/scripts/verify-x68000-golden.sh
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clean-x68000:
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rm -rf $(BUILD)
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# `clean` as an alias for `clean-x68000`. Without it a bare
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# `make -f make/x68000.mk clean` FAILS -- and with stderr discarded that
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# looks like success while leaving stale objects the next build links.
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clean: clean-x68000
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-include $(shell find $(BUILD) -name '*.d' 2>/dev/null)
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