1# -*- makefile -*-
2
3include $(MAKEDIR)/syslinux.mk
4
5# Support IA32 and x86_64 platforms with one build
6# Set up architecture specifics; for cross compilation, set ARCH as apt
7GCCOPT := $(call gcc_ok,-std=gnu99,)
8ifeq ($(ARCH),i386)
9	GCCOPT += $(call gcc_ok,-m32,)
10	GCCOPT += $(call gcc_ok,-mpreferred-stack-boundary=2,)
11	MARCH = i386
12endif
13ifeq ($(ARCH),x86_64)
14	GCCOPT += $(call gcc_ok,-m64,)
15	#let preferred-stack-boundary be default(=4)
16	MARCH = x86-64
17endif
18GCCOPT += $(call gcc_ok,-fno-stack-protector,)
19GCCOPT += $(call gcc_ok,-fwrapv,)
20GCCOPT += $(call gcc_ok,-freg-struct-return,)
21# Note -fPIE does not work with ld on x86_64, try -fPIC instead
22# Does BIOS build require -fPIE?
23GCCOPT += $(call gcc_ok,-fPIC)
24GCCOPT += $(call gcc_ok,-fno-exceptions,)
25GCCOPT += $(call gcc_ok,-fno-asynchronous-unwind-tables,)
26GCCOPT += $(call gcc_ok,-fno-strict-aliasing,)
27GCCOPT += $(call gcc_ok,-falign-functions=0,-malign-functions=0)
28GCCOPT += $(call gcc_ok,-falign-jumps=0,-malign-jumps=0)
29GCCOPT += $(call gcc_ok,-falign-labels=0,-malign-labels=0)
30GCCOPT += $(call gcc_ok,-falign-loops=0,-malign-loops=0)
31
32INCLUDE	= -I$(SRC)
33STRIP	= strip --strip-all -R .comment -R .note
34
35# zlib and libpng configuration flags
36LIBFLAGS = -DDYNAMIC_CRC_TABLE -DPNG_NO_CONSOLE_IO \
37	   -DPNG_NO_WRITE_SUPPORTED \
38	   -DPNG_NO_MNG_FEATURES \
39	   -DPNG_NO_READ_tIME -DPNG_NO_WRITE_tIME
40
41# We need some features in libpng which apparently aren't available in the
42# fixed-point versions.  It's OK, because we have to have a non-graphical
43# fallback anyway, just use that on old machines...
44# LIBFLAGS += -DPNG_NO_FLOATING_POINT_SUPPORTED
45
46REQFLAGS  = $(GCCOPT) -g -D__COM32__ -D__FIRMWARE_$(FIRMWARE)__ \
47	    -nostdinc -iwithprefix include -I. -I$(SRC)/sys \
48	    -I$(SRC)/../include -I$(com32)/include/sys \
49	    -I$(topdir)/core/include -I$(com32)/lib/ \
50	    -I$(com32)/lib/sys/module -I$(OBJ)/../..
51OPTFLAGS  = -Os -march=$(MARCH) -falign-functions=0 -falign-jumps=0 \
52	    -falign-labels=0 -ffast-math -fomit-frame-pointer
53WARNFLAGS = $(GCCWARN) -Wpointer-arith -Wwrite-strings -Wstrict-prototypes -Winline
54
55CFLAGS  = $(OPTFLAGS) $(REQFLAGS) $(WARNFLAGS) $(LIBFLAGS)
56
57ifndef EFI_BUILD
58CFLAGS += -mregparm=3 -DREGPARM=3
59endif
60
61VPATH = $(SRC)
62LIBOTHER_OBJS = \
63	atoi.o atol.o atoll.o calloc.o creat.o		\
64	fgets.o fprintf.o fputc.o	\
65	putchar.o				\
66	getopt.o getopt_long.o						\
67	lrand48.o stack.o memccpy.o memchr.o 		\
68	mempcpy.o memmem.o memmove.o memswap.o	\
69	perror.o qsort.o seed48.o \
70	srand48.o sscanf.o 						\
71	strerror.o errlist.o		\
72	strnlen.o							\
73	strncat.o strndup.o		\
74	stpncpy.o						\
75	strntoimax.o strsep.o strspn.o strstr.o				\
76	strtoimax.o strtok.o strtol.o strtoll.o strtoull.o		\
77	strtoumax.o vprintf.o vsprintf.o		\
78	asprintf.o vasprintf.o			\
79	vsscanf.o							\
80	skipspace.o							\
81	chrreplace.o							\
82	bufprintf.o							\
83	inet.o dhcppack.o dhcpunpack.o					\
84	strreplace.o							\
85	lstrdup.o						\
86	\
87	suffix_number.o							\
88	\
89	getcwd.o fdopendir.o	\
90	\
91	sys/line_input.o				\
92	sys/colortable.o sys/screensize.o				\
93	\
94	sys/stdcon_read.o sys/stdcon_write.o sys/rawcon_read.o		\
95	sys/rawcon_write.o		\
96	sys/null_read.o sys/null_write.o sys/serial_write.o		\
97	\
98	sys/xserial_write.o						\
99	\
100	sys/ansi.o							\
101	\
102	sys/ansicon_write.o sys/ansiserial_write.o			\
103	\
104	pci/cfgtype.o pci/scan.o pci/bios.o					\
105	pci/readb.o pci/readw.o pci/readl.o			\
106	pci/writeb.o pci/writew.o pci/writel.o	\
107	\
108	sys/x86_init_fpu.o math/pow.o math/strtod.o			\
109	syslinux/disk.o							\
110	\
111	syslinux/setup_data.o
112
113## CORE OBJECTS, INCLUDED IN THE ROOT COM32 MODULE
114LIBENTRY_OBJS = \
115	sys/intcall.o sys/farcall.o sys/cfarcall.o sys/zeroregs.o	\
116	sys/argv.o sys/sleep.o						\
117	sys/fileinfo.o sys/opendev.o sys/read.o sys/write.o sys/ftell.o \
118	sys/close.o sys/open.o sys/fileread.o sys/fileclose.o		\
119	sys/openmem.o					\
120	sys/isatty.o sys/fstat.o					\
121	\
122	dprintf.o vdprintf.o						\
123	\
124	syslinux/idle.o							\
125	\
126	exit.o
127
128LIBGCC_OBJS = \
129	libgcc/__ashldi3.o libgcc/__udivdi3.o			\
130	libgcc/__negdi2.o libgcc/__ashrdi3.o libgcc/__lshrdi3.o		\
131	libgcc/__muldi3.o libgcc/__udivmoddi4.o libgcc/__umoddi3.o	\
132	libgcc/__divdi3.o libgcc/__moddi3.o
133
134LIBCONSOLE_OBJS = \
135	\
136	sys/openconsole.o sys/line_input.o				\
137	sys/colortable.o sys/screensize.o				\
138	\
139	sys/stdcon_read.o sys/rawcon_read.o		\
140	sys/rawcon_write.o						\
141	sys/null_write.o sys/serial_write.o		\
142	\
143	sys/xserial_write.o						\
144	\
145	sys/ansi.o							\
146	\
147	sys/ansicon_write.o sys/ansiserial_write.o	\
148	\
149	syslinux/serial.o
150
151LIBLOAD_OBJS = \
152	syslinux/addlist.o syslinux/freelist.o syslinux/memmap.o	\
153	syslinux/movebits.o syslinux/shuffle.o syslinux/shuffle_pm.o	\
154	syslinux/shuffle_rm.o syslinux/biosboot.o syslinux/zonelist.o	\
155	syslinux/dump_mmap.o syslinux/dump_movelist.o			\
156	\
157	syslinux/run_default.o syslinux/run_command.o			\
158	syslinux/cleanup.o syslinux/localboot.o	syslinux/runimage.o	\
159	\
160	syslinux/loadfile.o syslinux/floadfile.o syslinux/zloadfile.o	\
161	\
162	syslinux/load_linux.o syslinux/initramfs.o			\
163	syslinux/initramfs_file.o syslinux/initramfs_loadfile.o		\
164	syslinux/initramfs_archive.o
165
166LIBMODULE_OBJS = \
167	sys/module/common.o sys/module/$(ARCH)/elf_module.o		\
168	sys/module/elfutils.o	\
169	sys/module/exec.o sys/module/elf_module.o
170
171# ZIP library object files
172LIBZLIB_OBJS = \
173	zlib/adler32.o zlib/compress.o zlib/crc32.o 			\
174	zlib/uncompr.o zlib/deflate.o zlib/trees.o zlib/zutil.o		\
175	zlib/inflate.o zlib/infback.o zlib/inftrees.o zlib/inffast.o	\
176	sys/zfile.o sys/zfopen.o
177
178MINLIBOBJS = \
179	$(addprefix $(OBJ)/,syslinux/ipappend.o \
180	syslinux/dsinfo.o \
181	$(LIBOTHER_OBJS) \
182	$(LIBGCC_OBJS) \
183	$(LIBCONSOLE_OBJS) \
184	$(LIBLOAD_OBJS) \
185	$(LIBZLIB_OBJS))
186#	$(LIBVESA_OBJS)
187
188CORELIBOBJS = \
189	memcpy.o memset.o memcmp.o printf.o strncmp.o vfprintf.o 	\
190	strlen.o vsnprintf.o snprintf.o stpcpy.o strcmp.o strdup.o 	\
191	strcpy.o strncpy.o setjmp.o fopen.o fread.o fread2.o puts.o 	\
192	strtoul.o strntoumax.o strcasecmp.o 				\
193	sprintf.o strlcat.o strchr.o strlcpy.o strncasecmp.o ctypes.o 	\
194	fputs.o fwrite2.o fwrite.o fgetc.o fclose.o lmalloc.o 		\
195	sys/err_read.o sys/err_write.o sys/null_read.o 			\
196	sys/stdcon_write.o						\
197	syslinux/memscan.o strrchr.o strcat.o				\
198	libgcc/__ashldi3.o libgcc/__udivdi3.o				\
199	libgcc/__negdi2.o libgcc/__ashrdi3.o libgcc/__lshrdi3.o		\
200	libgcc/__muldi3.o libgcc/__udivmoddi4.o libgcc/__umoddi3.o	\
201	libgcc/__divdi3.o libgcc/__moddi3.o				\
202	syslinux/debug.o						\
203	$(LIBENTRY_OBJS) \
204	$(LIBMODULE_OBJS)
205
206LDFLAGS	= -m elf_$(ARCH) --hash-style=gnu -T $(com32)/lib/$(ARCH)/elf.ld
207
208.SUFFIXES: .c .o .a .so .lo .i .S .s .ls .ss .lss
209
210% : %.c # Cancel default rule
211
212% : %.S
213
214%.o: %.c
215	$(CC) $(MAKEDEPS) $(CFLAGS) -c -o $@ $<
216
217.c.i:
218	$(CC) $(MAKEDEPS) $(CFLAGS) -E -o $@ $<
219
220%.s: %.c
221	$(CC) $(MAKEDEPS) $(CFLAGS) -S -o $@ $<
222
223%.o: %.S
224	$(CC) $(MAKEDEPS) $(CFLAGS) -D__ASSEMBLY__ -c -o $@ $<
225
226.S.s:
227	$(CC) $(MAKEDEPS) $(CFLAGS) -D__ASSEMBLY__ -E -o $@ $<
228
229.S.lo:
230	$(CC) $(MAKEDEPS) $(CFLAGS) $(SOFLAGS) -D__ASSEMBLY__ -c -o $@ $<
231
232.S.ls:
233	$(CC) $(MAKEDEPS) $(CFLAGS) $(SOFLAGS) -D__ASSEMBLY__ -E -o $@ $<
234
235%(OBJ)/%.o: $(SRC)/%.s
236	$(CC) $(MAKEDEPS) $(CFLAGS) -x assembler -c -o $@ $<
237
238.ls.lo:
239	$(CC) $(MAKEDEPS) $(CFLAGS) $(SOFLAGS) -x assembler -c -o $@ $<
240
241.c.lo:
242	$(CC) $(MAKEDEPS) $(CFLAGS) $(SOFLAGS) -c -o $@ $<
243
244.c.ls:
245	$(CC) $(MAKEDEPS) $(CFLAGS) $(SOFLAGS) -S -o $@ $<
246
247%.c32: %.elf
248	$(OBJCOPY) --strip-debug --strip-unneeded $< $@
249