1 # Location to place generated files
5 # Initialise variables that get added to throughout the various Makefiles
7 MAKEDEPS
:= Makefile .toolcheck .echocheck
16 # Locations of utilities
26 CC
:= $(CROSS_COMPILE
)gcc
27 CPP
:= $(CROSS_COMPILE
)gcc
-E
-Wp
,-Wall
28 AS
:= $(CROSS_COMPILE
)as
29 LD
:= $(CROSS_COMPILE
)ld
30 SIZE
:= $(CROSS_COMPILE
)size
31 AR
:= $(CROSS_COMPILE
)ar
32 RANLIB
:= $(CROSS_COMPILE
)ranlib
33 OBJCOPY
:= $(CROSS_COMPILE
)objcopy
34 NM
:= $(CROSS_COMPILE
)nm
35 OBJDUMP
:= $(CROSS_COMPILE
)objdump
36 PARSEROM
:= $(PERL
) .
/util
/parserom.pl
37 MAKEROM
:= $(PERL
) .
/util
/makerom.pl
38 MKCONFIG
:= $(PERL
) .
/util
/mkconfig.pl
39 SYMCHECK
:= $(PERL
) .
/util
/symcheck.pl
40 SORTOBJDUMP
:= $(PERL
) .
/util
/sortobjdump.pl
45 # If invoked with no build target, print out a helpfully suggestive
48 noargs
: blib
$(BIN
)/NIC
$(BIN
)/gpxe.dsk
$(BIN
)/gpxe.iso
$(BIN
)/gpxe.usb
49 @
$(ECHO
) '==========================================================='
51 @
$(ECHO
) 'To create a bootable floppy, type'
52 @
$(ECHO
) ' cat $(BIN)/gpxe.dsk > /dev/fd0'
53 @
$(ECHO
) 'where /dev/fd0 is your floppy drive. This will erase any'
54 @
$(ECHO
) 'data already on the disk.'
56 @
$(ECHO
) 'To create a bootable USB key, type'
57 @
$(ECHO
) ' cat $(BIN)/gpxe.usb > /dev/sdX'
58 @
$(ECHO
) 'where /dev/sdX is your USB key, and is *not* a real hard'
59 @
$(ECHO
) 'disk on your system. This will erase any data already on'
60 @
$(ECHO
) 'the USB key.'
62 @
$(ECHO
) 'To create a bootable CD-ROM, burn the ISO image '
63 @
$(ECHO
) '$(BIN)/gpxe.iso to a blank CD-ROM.'
65 @
$(ECHO
) 'These images contain drivers for all supported cards. You'
66 @
$(ECHO
) 'can build more customised images, and ROM images, using'
67 @
$(ECHO
) ' make bin/<rom-name>.<output-format>'
69 @
$(ECHO
) '==========================================================='
71 # Grab the central Config file.
76 # If no architecture is specified in Config or on the command-line,
77 # use that of the build machine.
79 ARCH ?
= $(shell uname
-m | sed
-e s
,i
[3456789]86,i386
,)
81 # handle x86_64 like i386, but set -m32 option for 32bit code only
86 LDFLAGS
+= -m elf_i386
89 # Drag in architecture-specific Config
91 MAKEDEPS
+= arch
/$(ARCH
)/Config
92 include arch
/$(ARCH
)/Config
96 CFLAGS
+= -I
include -I arch
/$(ARCH
)/include -I .
-DARCH
=$(ARCH
)
97 CFLAGS
+= -Os
-ffreestanding
100 CFLAGS
+= $(EXTRA_CFLAGS
)
101 ASFLAGS
+= $(EXTRA_ASFLAGS
)
102 LDFLAGS
+= $(EXTRA_LDFLAGS
)
104 # Embedded image, if present
106 EMBEDDED_IMAGE ?
= /dev
/null
108 ifneq ($(NO_WERROR
),1)
112 # CFLAGS for specific object types
115 CFLAGS_S
+= -DASSEMBLY
117 # Base object name of the current target
119 OBJECT
= $(firstword $(subst .
, ,$(@F
)))
121 # CFLAGS for specific object files. You can define
122 # e.g. CFLAGS_rtl8139, and have those flags automatically used when
123 # compiling bin/rtl8139.o.
125 OBJ_CFLAGS
= $(CFLAGS_
$(OBJECT
)) -DOBJECT
=$(subst -,_
,$(OBJECT
))
127 @
$(ECHO
) $(OBJ_CFLAGS
)
129 # Rules for specific object types.
131 COMPILE_c
= $(CC
) $(CFLAGS
) $(CFLAGS_c
) $(OBJ_CFLAGS
)
132 RULE_c
= $(Q
)$(COMPILE_c
) -c
$< -o
$@
133 RULE_c_to_dbg
%.o
= $(Q
)$(COMPILE_c
) -Ddebug_
$(OBJECT
)=$* -c
$< -o
$@
134 RULE_c_to_c
= $(Q
)$(COMPILE_c
) -E
-c
$< > $@
135 RULE_c_to_s
= $(Q
)$(COMPILE_c
) -S
-g0
-c
$< -o
$@
137 PREPROCESS_S
= $(CPP
) $(CFLAGS
) $(CFLAGS_S
) $(OBJ_CFLAGS
)
138 ASSEMBLE_S
= $(AS
) $(ASFLAGS
)
139 RULE_S
= $(Q
)$(PREPROCESS_S
) $< |
$(ASSEMBLE_S
) -o
$@
140 RULE_S_to_s
= $(Q
)$(PREPROCESS_S
) $< > $@
142 DEBUG_TARGETS
+= dbg
%.o c s
144 # SRCDIRS lists all directories containing source files.
149 SRCDIRS
+= net net
/tcp net
/udp
151 SRCDIRS
+= drivers
/bus
152 SRCDIRS
+= drivers
/net
153 SRCDIRS
+= drivers
/net
/e1000
154 SRCDIRS
+= drivers
/block
155 SRCDIRS
+= drivers
/scsi
156 SRCDIRS
+= drivers
/ata
157 SRCDIRS
+= drivers
/nvs
158 SRCDIRS
+= drivers
/bitbash
159 SRCDIRS
+= drivers
/infiniband
160 SRCDIRS
+= interface
/pxe
162 SRCDIRS
+= crypto crypto
/axtls crypto
/matrixssl
163 SRCDIRS
+= hci hci
/commands hci
/tui
164 SRCDIRS
+= hci
/mucurses hci
/mucurses
/widgets
167 # NON_AUTO_SRCS lists files that are excluded from the normal
168 # automatic build system.
170 NON_AUTO_SRCS
+= core
/elf_loader.c
171 NON_AUTO_SRCS
+= drivers
/net
/prism2.c
173 # Rules for finalising files. TGT_MAKEROM_FLAGS is defined as part of
174 # the automatic build system and varies by target; it includes the
175 # "-p 0x1234,0x5678" string to set the PCI IDs.
177 FINALISE_rom
= $(MAKEROM
) $(MAKEROM_FLAGS
) $(TGT_MAKEROM_FLAGS
) \
180 # Some ROMs require specific flags to be passed to makerom.pl
182 MAKEROM_FLAGS_3c503
= -3
184 # Drag in architecture-specific Makefile
186 MAKEDEPS
+= arch
/$(ARCH
)/Makefile
187 include arch
/$(ARCH
)/Makefile
189 # Drag in the automatic build system and other housekeeping functions
190 MAKEDEPS
+= Makefile.housekeeping
191 include Makefile.housekeeping