Makefile

#
# TinyEMU
#
# Copyright (c) 2016-2018 Fabrice Bellard
#
# Permission is hereby granted, free of charge, to any person obtaining a copy
# of this software and associated documentation files (the "Software"), to deal
# in the Software without restriction, including without limitation the rights
# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
# copies of the Software, and to permit persons to whom the Software is
# furnished to do so, subject to the following conditions:
#
# The above copyright notice and this permission notice shall be included in
# all copies or substantial portions of the Software.
#
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
# THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
# THE SOFTWARE.
#

# if set, network filesystem is enabled. libcurl and libcrypto
# (openssl) must be installed.
CONFIG_FS_NET=y
# SDL support (optional)
CONFIG_SDL=y
# if set, compile the 128 bit emulator. Note: the 128 bit target does
# not compile if gcc does not support the int128 type (32 bit hosts).
CONFIG_INT128=y
# build x86 emulator
CONFIG_X86EMU=y
# macOS build
#CONFIG_MACOS=y
# iOS build
#CONFIG_IOS=y
# iOS simulator build
#CONFIG_IOS_SIMULATOR=
# win32 build (not usable yet)
#CONFIG_WIN32=y
# user space network redirector
CONFIG_SLIRP=y
# if set, you can pass a compressed cpio archive as initramfs. zlib
# must be installed.
CONFIG_COMPRESSED_INITRAMFS=y

ifdef CONFIG_IOS_SIMULATOR
CONFIG_IOS=y
endif

ifdef CONFIG_WIN32
CROSS_PREFIX=i686-w64-mingw32-
EXE=.exe
else
CROSS_PREFIX=
EXE=
endif
ifdef CONFIG_IOS
ifdef CONFIG_IOS_SIMULATOR
IOS_ARCHS=-arch x86_64
IOS_SDK=iphonesimulator
else
IOS_ARCHS=-arch arm64
IOS_SDK=iphoneos
endif # CONFIG_IOS_SIMULATOR
CC=$(shell xcrun --sdk $(IOS_SDK) --find clang)
CC+=-isysroot $(shell xcrun --sdk $(IOS_SDK) --show-sdk-path)
CC+=$(IOS_ARCHS)
CC+=-mios-version-min=11.0
else
CC=$(CROSS_PREFIX)gcc
endif # CONFIG_IOS
STRIP=$(CROSS_PREFIX)strip
override CFLAGS+=-O2 -Wall -g -D_FILE_OFFSET_BITS=64 -D_LARGEFILE_SOURCE -MMD
override CFLAGS+=-D_GNU_SOURCE -DCONFIG_VERSION=\"$(shell cat VERSION)\"
ifdef CONFIG_IOS
ifndef CONFIG_IOS_SIMULATOR
override CFLAGS+=-fembed-bitcode
endif
endif
LDFLAGS=

bindir=/usr/local/bin
INSTALL=install

ifdef CONFIG_IOS
PROGS=
LIBS=libtemu.a
else
PROGS=temu$(EXE)
LIBS=
endif
ifndef CONFIG_WIN32
ifdef CONFIG_FS_NET
PROGS+=build_filelist splitimg
endif
endif

all: $(PROGS) $(LIBS)

EMU_OBJS:=virtio.o pci.o fs.o cutils.o iomem.o simplefb.o \
    json.o machine.o temu.o elf.o

ifdef CONFIG_SLIRP
override CFLAGS+=-DCONFIG_SLIRP
ifdef CONFIG_MACOS
override LDFLAGS+=-lresolv
override CFLAGS+=-I/opt/homebrew/include
override LDFLAGS+=-L/opt/homebrew/lib
endif # CONFIG_MACOS
EMU_OBJS+=$(addprefix slirp/, bootp.o ip_icmp.o mbuf.o slirp.o tcp_output.o cksum.o ip_input.o misc.o socket.o tcp_subr.o udp.o if.o ip_output.o sbuf.o tcp_input.o tcp_timer.o)
endif # CONFIG_SLIRP

ifndef CONFIG_WIN32
EMU_OBJS+=fs_disk.o
ifndef CONFIG_MACOS
ifndef CONFIG_IOS
EMU_LIBS=-lrt
endif # CONFIG_IOS
endif # CONFIG_MACOS
endif # CONFIG_WIN32
ifdef CONFIG_FS_NET
override CFLAGS+=-DCONFIG_FS_NET
EMU_OBJS+=fs_net.o fs_wget.o fs_utils.o block_net.o
EMU_LIBS+=-lcurl -lcrypto
ifdef CONFIG_WIN32
EMU_LIBS+=-lwsock32
endif # CONFIG_WIN32
endif # CONFIG_FS_NET
ifdef CONFIG_SDL
EMU_LIBS+=-lSDL2
EMU_OBJS+=sdl.o
override CFLAGS+=-DCONFIG_SDL
ifdef CONFIG_WIN32
LDFLAGS+=-mwindows
endif
endif

EMU_OBJS+=riscv_machine.o softfp.o riscv_cpu32.o riscv_cpu64.o
ifdef CONFIG_INT128
override CFLAGS+=-DCONFIG_RISCV_MAX_XLEN=128
EMU_OBJS+=riscv_cpu128.o
else
override CFLAGS+=-DCONFIG_RISCV_MAX_XLEN=64
endif
ifdef CONFIG_X86EMU
override CFLAGS+=-DCONFIG_X86EMU
EMU_OBJS+=x86_cpu.o x86_machine.o ide.o ps2.o vmmouse.o pckbd.o vga.o
endif

ifdef CONFIG_COMPRESSED_INITRAMFS
EMU_OBJS+=compress.o
override CFLAGS+=-DCONFIG_COMPRESSED_INITRAMFS
override LDFLAGS+=-lz
endif

temu$(EXE): $(EMU_OBJS)
	$(CC) -o $@ $^ $(EMU_LIBS) $(LDFLAGS)

libtemu.a: $(EMU_OBJS)
	ar ru $@ $^
	ranlib $@

riscv_cpu32.o: riscv_cpu.c
	$(CC) $(CFLAGS) -DMAX_XLEN=32 -c -o $@ $<

riscv_cpu64.o: riscv_cpu.c
	$(CC) $(CFLAGS) -DMAX_XLEN=64 -c -o $@ $<

riscv_cpu128.o: riscv_cpu.c
	$(CC) $(CFLAGS) -DMAX_XLEN=128 -c -o $@ $<

build_filelist: build_filelist.o fs_utils.o cutils.o
	$(CC) -o $@ $^ -lm $(LDFLAGS)

splitimg: splitimg.o
	$(CC) -o $@ $^ $(LDFLAGS)

install: $(PROGS)
	$(STRIP) $(PROGS)
	$(INSTALL) -m755 $(PROGS) "$(DESTDIR)$(bindir)"

%.o: %.c
	$(CC) $(CFLAGS) -c -o $@ $<

clean:
	rm -f *.o *.d *~ $(PROGS) $(LIBS) slirp/*.o slirp/*.d slirp/*~

-include $(wildcard *.d)
-include $(wildcard slirp/*.d)