Kevin O'Connor | 1445843 | 2009-05-23 18:21:18 -0400 | [diff] [blame] | 1 | # SeaBIOS build system |
Kevin O'Connor | f076a3e | 2008-02-25 22:25:15 -0500 | [diff] [blame] | 2 | # |
Kevin O'Connor | 1445843 | 2009-05-23 18:21:18 -0400 | [diff] [blame] | 3 | # Copyright (C) 2008,2009 Kevin O'Connor <kevin@koconnor.net> |
Kevin O'Connor | f076a3e | 2008-02-25 22:25:15 -0500 | [diff] [blame] | 4 | # |
Kevin O'Connor | b1b7c2a | 2009-01-15 20:52:58 -0500 | [diff] [blame] | 5 | # This file may be distributed under the terms of the GNU LGPLv3 license. |
Kevin O'Connor | f076a3e | 2008-02-25 22:25:15 -0500 | [diff] [blame] | 6 | |
Kevin O'Connor | c95d2ce | 2009-07-29 20:41:39 -0400 | [diff] [blame] | 7 | # Program version |
| 8 | VERSION=pre-0.4.2-$(shell date +"%Y%m%d_%H%M%S")-$(shell hostname) |
| 9 | |
Kevin O'Connor | f076a3e | 2008-02-25 22:25:15 -0500 | [diff] [blame] | 10 | # Output directory |
| 11 | OUT=out/ |
| 12 | |
| 13 | # Source files |
Kevin O'Connor | 3085376 | 2009-01-17 18:49:20 -0500 | [diff] [blame] | 14 | SRCBOTH=output.c util.c floppy.c ata.c misc.c mouse.c kbd.c pci.c \ |
Kevin O'Connor | e97ca7b | 2009-06-21 09:10:28 -0400 | [diff] [blame] | 15 | serial.c clock.c pic.c cdrom.c ps2port.c smp.c resume.c \ |
Kevin O'Connor | e54ee38 | 2009-07-26 19:33:13 -0400 | [diff] [blame] | 16 | pnpbios.c pirtable.c vgahooks.c pmm.c |
Kevin O'Connor | 22e1b91 | 2009-07-19 18:52:46 -0400 | [diff] [blame] | 17 | SRC16=$(SRCBOTH) system.c disk.c apm.c pcibios.c font.c |
Kevin O'Connor | 9f4e1d9 | 2009-02-08 15:44:08 -0500 | [diff] [blame] | 18 | SRC32=$(SRCBOTH) post.c shadow.c memmap.c coreboot.c boot.c \ |
Kevin O'Connor | 592323f | 2009-04-26 23:17:49 -0400 | [diff] [blame] | 19 | acpi.c smm.c mptable.c smbios.c pciinit.c optionroms.c mtrr.c \ |
| 20 | lzmadecode.c |
Kevin O'Connor | f076a3e | 2008-02-25 22:25:15 -0500 | [diff] [blame] | 21 | |
Kevin O'Connor | 786502d | 2008-02-27 10:41:41 -0500 | [diff] [blame] | 22 | cc-option = $(shell if test -z "`$(1) $(2) -S -o /dev/null -xc \ |
| 23 | /dev/null 2>&1`"; then echo "$(2)"; else echo "$(3)"; fi ;) |
| 24 | |
Kevin O'Connor | bdce35f | 2008-02-26 21:33:14 -0500 | [diff] [blame] | 25 | # Default compiler flags |
Kevin O'Connor | ba2d0df | 2008-04-13 16:59:03 -0400 | [diff] [blame] | 26 | COMMONCFLAGS = -Wall -Os -MD -m32 -march=i386 -mregparm=3 \ |
Kevin O'Connor | 03f630e | 2009-03-26 20:45:36 -0400 | [diff] [blame] | 27 | -mpreferred-stack-boundary=2 -mrtd -freg-struct-return \ |
Kevin O'Connor | 942d495 | 2009-06-10 22:44:06 -0400 | [diff] [blame] | 28 | -ffreestanding -fomit-frame-pointer \ |
Kevin O'Connor | d944114 | 2009-04-19 23:18:54 -0400 | [diff] [blame] | 29 | -fno-delete-null-pointer-checks -Wno-strict-aliasing \ |
Kevin O'Connor | 0942e7f | 2009-06-15 22:27:01 -0400 | [diff] [blame] | 30 | -ffunction-sections -fdata-sections -fno-common \ |
Kevin O'Connor | d944114 | 2009-04-19 23:18:54 -0400 | [diff] [blame] | 31 | -minline-all-stringops |
Kevin O'Connor | 786502d | 2008-02-27 10:41:41 -0500 | [diff] [blame] | 32 | COMMONCFLAGS += $(call cc-option,$(CC),-nopie,) |
| 33 | COMMONCFLAGS += $(call cc-option,$(CC),-fno-stack-protector,) |
| 34 | COMMONCFLAGS += $(call cc-option,$(CC),-fno-stack-protector-all,) |
| 35 | |
Kevin O'Connor | c43bcba | 2008-07-30 20:37:13 -0400 | [diff] [blame] | 36 | override CFLAGS = $(COMMONCFLAGS) -g -DMODE16=0 |
Kevin O'Connor | 942d495 | 2009-06-10 22:44:06 -0400 | [diff] [blame] | 37 | CFLAGS16INC = $(COMMONCFLAGS) -DMODE16=1 -fno-defer-pop \ |
| 38 | $(call cc-option,$(CC),-fno-jump-tables,-DMANUAL_NO_JUMP_TABLE) \ |
Kevin O'Connor | b49e058 | 2009-04-08 21:25:00 -0400 | [diff] [blame] | 39 | $(call cc-option,$(CC),-fno-tree-switch-conversion,) \ |
Kevin O'Connor | 9646224 | 2009-01-01 17:54:16 -0500 | [diff] [blame] | 40 | $(call cc-option,$(CC),--param large-stack-frame=4,) |
Kevin O'Connor | 410680b | 2008-03-02 20:48:35 -0500 | [diff] [blame] | 41 | CFLAGS16 = $(CFLAGS16INC) -g |
Kevin O'Connor | f076a3e | 2008-02-25 22:25:15 -0500 | [diff] [blame] | 42 | |
Kevin O'Connor | 3085376 | 2009-01-17 18:49:20 -0500 | [diff] [blame] | 43 | all: $(OUT) $(OUT)bios.bin |
Kevin O'Connor | f076a3e | 2008-02-25 22:25:15 -0500 | [diff] [blame] | 44 | |
| 45 | # Run with "make V=1" to see the actual compile commands |
| 46 | ifdef V |
| 47 | Q= |
| 48 | else |
| 49 | Q=@ |
| 50 | endif |
| 51 | |
Kevin O'Connor | 2fc90bd | 2008-11-07 21:42:00 -0500 | [diff] [blame] | 52 | OBJCOPY=objcopy |
Kevin O'Connor | 202024a | 2009-01-17 10:41:28 -0500 | [diff] [blame] | 53 | OBJDUMP=objdump |
Kevin O'Connor | 2fc90bd | 2008-11-07 21:42:00 -0500 | [diff] [blame] | 54 | NM=nm |
| 55 | STRIP=strip |
| 56 | |
Kevin O'Connor | f076a3e | 2008-02-25 22:25:15 -0500 | [diff] [blame] | 57 | .PHONY : all FORCE |
| 58 | |
Kevin O'Connor | 1f2c307 | 2009-05-06 23:35:59 -0400 | [diff] [blame] | 59 | vpath %.c src vgasrc |
| 60 | vpath %.S src vgasrc |
Kevin O'Connor | f076a3e | 2008-02-25 22:25:15 -0500 | [diff] [blame] | 61 | |
| 62 | ################ Build rules |
Kevin O'Connor | 410680b | 2008-03-02 20:48:35 -0500 | [diff] [blame] | 63 | |
Kevin O'Connor | 0942e7f | 2009-06-15 22:27:01 -0400 | [diff] [blame] | 64 | # Verify the gcc configuration and test if -fwhole-program works. |
Kevin O'Connor | 03f630e | 2009-03-26 20:45:36 -0400 | [diff] [blame] | 65 | TESTGCC:=$(shell CC=$(CC) tools/test-gcc.sh) |
| 66 | ifeq "$(TESTGCC)" "-1" |
| 67 | $(error "Please upgrade GCC") |
| 68 | endif |
| 69 | |
Kevin O'Connor | 0942e7f | 2009-06-15 22:27:01 -0400 | [diff] [blame] | 70 | ifndef COMPSTRAT |
| 71 | COMPSTRAT=$(TESTGCC) |
Kevin O'Connor | 231f710 | 2009-01-25 16:11:27 -0500 | [diff] [blame] | 72 | endif |
| 73 | |
Kevin O'Connor | 0942e7f | 2009-06-15 22:27:01 -0400 | [diff] [blame] | 74 | # Do a whole file compile - three methods are supported. |
| 75 | ifeq "$(COMPSTRAT)" "1" |
| 76 | # First method - use -fwhole-program without -combine. |
| 77 | define whole-compile |
| 78 | @echo " Compiling whole program $3" |
| 79 | $(Q)printf '$(foreach i,$2,#include "../$i"\n)' > $3.tmp.c |
| 80 | $(Q)$(CC) $1 -fwhole-program -DWHOLE_PROGRAM -c $3.tmp.c -o $3 |
| 81 | endef |
Kevin O'Connor | d82a1ca | 2009-06-17 20:33:41 -0400 | [diff] [blame] | 82 | else |
| 83 | ifeq "$(COMPSTRAT)" "2" |
Kevin O'Connor | 0942e7f | 2009-06-15 22:27:01 -0400 | [diff] [blame] | 84 | # Second menthod - don't use -fwhole-program at all. |
Kevin O'Connor | 410680b | 2008-03-02 20:48:35 -0500 | [diff] [blame] | 85 | define whole-compile |
| 86 | @echo " Compiling whole program $3" |
Kevin O'Connor | 86cebee | 2008-11-06 18:57:10 -0500 | [diff] [blame] | 87 | $(Q)printf '$(foreach i,$2,#include "../$i"\n)' > $3.tmp.c |
Kevin O'Connor | 410680b | 2008-03-02 20:48:35 -0500 | [diff] [blame] | 88 | $(Q)$(CC) $1 -c $3.tmp.c -o $3 |
| 89 | endef |
| 90 | else |
Kevin O'Connor | 0942e7f | 2009-06-15 22:27:01 -0400 | [diff] [blame] | 91 | # Third (and preferred) method - use -fwhole-program with -combine |
Kevin O'Connor | 410680b | 2008-03-02 20:48:35 -0500 | [diff] [blame] | 92 | define whole-compile |
| 93 | @echo " Compiling whole program $3" |
Kevin O'Connor | 0942e7f | 2009-06-15 22:27:01 -0400 | [diff] [blame] | 94 | $(Q)$(CC) $1 -fwhole-program -DWHOLE_PROGRAM -combine -c $2 -o $3 |
Kevin O'Connor | 410680b | 2008-03-02 20:48:35 -0500 | [diff] [blame] | 95 | endef |
| 96 | endif |
Kevin O'Connor | d82a1ca | 2009-06-17 20:33:41 -0400 | [diff] [blame] | 97 | endif |
Kevin O'Connor | 410680b | 2008-03-02 20:48:35 -0500 | [diff] [blame] | 98 | |
| 99 | |
Kevin O'Connor | 3085376 | 2009-01-17 18:49:20 -0500 | [diff] [blame] | 100 | $(OUT)%.s: %.c |
Kevin O'Connor | 9e82122 | 2008-12-06 18:56:19 -0500 | [diff] [blame] | 101 | @echo " Compiling to assembler $@" |
Kevin O'Connor | 3085376 | 2009-01-17 18:49:20 -0500 | [diff] [blame] | 102 | $(Q)$(CC) $(CFLAGS16INC) -S -c $< -o $@ |
Kevin O'Connor | f076a3e | 2008-02-25 22:25:15 -0500 | [diff] [blame] | 103 | |
| 104 | $(OUT)%.lds: %.lds.S |
Kevin O'Connor | 9e82122 | 2008-12-06 18:56:19 -0500 | [diff] [blame] | 105 | @echo " Precompiling $@" |
Kevin O'Connor | d9a8b2d | 2008-11-16 09:17:02 -0500 | [diff] [blame] | 106 | $(Q)$(CPP) -P -D__ASSEMBLY__ $< -o $@ |
Kevin O'Connor | f076a3e | 2008-02-25 22:25:15 -0500 | [diff] [blame] | 107 | |
Kevin O'Connor | 3085376 | 2009-01-17 18:49:20 -0500 | [diff] [blame] | 108 | $(OUT)asm-offsets.h: $(OUT)asm-offsets.s |
Kevin O'Connor | 952974e | 2008-11-16 18:14:33 -0500 | [diff] [blame] | 109 | @echo " Generating offset file $@" |
| 110 | $(Q)./tools/gen-offsets.sh $< $@ |
Kevin O'Connor | f076a3e | 2008-02-25 22:25:15 -0500 | [diff] [blame] | 111 | |
Kevin O'Connor | e6caca8 | 2009-07-13 20:31:35 -0400 | [diff] [blame] | 112 | |
Kevin O'Connor | 9e82122 | 2008-12-06 18:56:19 -0500 | [diff] [blame] | 113 | $(OUT)ccode.16.s: ; $(call whole-compile, $(CFLAGS16) -S, $(addprefix src/, $(SRC16)),$@) |
Kevin O'Connor | f076a3e | 2008-02-25 22:25:15 -0500 | [diff] [blame] | 114 | |
Kevin O'Connor | e6caca8 | 2009-07-13 20:31:35 -0400 | [diff] [blame] | 115 | $(OUT)code16.o: romlayout.S $(OUT)ccode.16.s $(OUT)asm-offsets.h |
Kevin O'Connor | 9e82122 | 2008-12-06 18:56:19 -0500 | [diff] [blame] | 116 | @echo " Compiling (16bit) $@" |
| 117 | $(Q)$(CC) $(CFLAGS16INC) -c -D__ASSEMBLY__ $< -o $@ |
Kevin O'Connor | f076a3e | 2008-02-25 22:25:15 -0500 | [diff] [blame] | 118 | |
Kevin O'Connor | e6caca8 | 2009-07-13 20:31:35 -0400 | [diff] [blame] | 119 | $(OUT)code32.o: ; $(call whole-compile, $(CFLAGS), $(addprefix src/, $(SRC32)),$@) |
Kevin O'Connor | 2fda7cb | 2008-07-05 20:41:53 -0400 | [diff] [blame] | 120 | |
Kevin O'Connor | e6caca8 | 2009-07-13 20:31:35 -0400 | [diff] [blame] | 121 | $(OUT)romlayout16.lds $(OUT)romlayout32.lds: $(OUT)code32.o $(OUT)code16.o |
Kevin O'Connor | 202024a | 2009-01-17 10:41:28 -0500 | [diff] [blame] | 122 | @echo " Building layout information $@" |
Kevin O'Connor | e6caca8 | 2009-07-13 20:31:35 -0400 | [diff] [blame] | 123 | $(Q)$(OBJDUMP) -thr $(OUT)code32.o > $(OUT)code32.o.objdump |
| 124 | $(Q)$(OBJDUMP) -thr $(OUT)code16.o > $(OUT)code16.o.objdump |
| 125 | $(Q)./tools/layoutrom.py $(OUT)code16.o.objdump $(OUT)code32.o.objdump $(OUT)romlayout16.lds $(OUT)romlayout32.lds |
Kevin O'Connor | 202024a | 2009-01-17 10:41:28 -0500 | [diff] [blame] | 126 | |
Kevin O'Connor | c069394 | 2009-06-10 21:56:01 -0400 | [diff] [blame] | 127 | $(OUT)layout16.lds: $(OUT)romlayout16.lds |
| 128 | $(OUT)rombios32.lds: $(OUT)romlayout32.lds |
Kevin O'Connor | 202024a | 2009-01-17 10:41:28 -0500 | [diff] [blame] | 129 | |
Kevin O'Connor | e6caca8 | 2009-07-13 20:31:35 -0400 | [diff] [blame] | 130 | |
| 131 | $(OUT)rom16.o: $(OUT)code16.o $(OUT)rom32.o $(OUT)layout16.lds |
Kevin O'Connor | 1445843 | 2009-05-23 18:21:18 -0400 | [diff] [blame] | 132 | @echo " Linking (no relocs) $@" |
| 133 | $(Q)$(LD) -r -T $(OUT)layout16.lds $< -o $@ |
Kevin O'Connor | f076a3e | 2008-02-25 22:25:15 -0500 | [diff] [blame] | 134 | |
Kevin O'Connor | e6caca8 | 2009-07-13 20:31:35 -0400 | [diff] [blame] | 135 | $(OUT)rom32.o: $(OUT)code32.o $(OUT)rombios32.lds |
| 136 | @echo " Linking (no relocs) $@" |
| 137 | $(Q)$(LD) -r -T $(OUT)rombios32.lds $< -o $@ |
| 138 | |
Kevin O'Connor | 1445843 | 2009-05-23 18:21:18 -0400 | [diff] [blame] | 139 | $(OUT)rom.o: $(OUT)rom16.o $(OUT)rom32.o $(OUT)rombios16.lds $(OUT)rombios.lds |
Kevin O'Connor | c95d2ce | 2009-07-29 20:41:39 -0400 | [diff] [blame] | 140 | @echo " Linking $@ (version \"$(VERSION)\")" |
| 141 | $(Q)echo 'const char VERSION[] __attribute__((section(".data32.version"))) = "$(VERSION)";' > $(OUT)version.c |
| 142 | $(Q)$(CC) $(CFLAGS) -c $(OUT)version.c -o $(OUT)version.o |
Kevin O'Connor | 7173f6f | 2009-05-27 22:23:33 -0400 | [diff] [blame] | 143 | $(Q)$(LD) -T $(OUT)rombios16.lds $(OUT)rom16.o -R $(OUT)rom32.o -o $(OUT)rom16.reloc.o |
| 144 | $(Q)$(STRIP) $(OUT)rom16.reloc.o -o $(OUT)rom16.final.o |
Kevin O'Connor | 5c3f5dd | 2009-06-22 20:05:56 -0400 | [diff] [blame] | 145 | $(Q)$(OBJCOPY) --adjust-vma 0xf0000 $(OUT)rom16.o $(OUT)rom16.moved.o |
Kevin O'Connor | c95d2ce | 2009-07-29 20:41:39 -0400 | [diff] [blame] | 146 | $(Q)$(LD) -T $(OUT)rombios.lds $(OUT)rom16.final.o $(OUT)rom32.o $(OUT)version.o -R $(OUT)rom16.moved.o -o $@ |
Kevin O'Connor | f076a3e | 2008-02-25 22:25:15 -0500 | [diff] [blame] | 147 | |
Kevin O'Connor | d289977 | 2008-07-06 09:56:14 -0400 | [diff] [blame] | 148 | $(OUT)bios.bin.elf: $(OUT)rom.o |
Kevin O'Connor | 9bcc527 | 2008-07-05 21:08:56 -0400 | [diff] [blame] | 149 | @echo " Prepping $@" |
Kevin O'Connor | 86cebee | 2008-11-06 18:57:10 -0500 | [diff] [blame] | 150 | $(Q)$(NM) $< | ./tools/checkrom.py |
| 151 | $(Q)$(STRIP) $< -o $@ |
Kevin O'Connor | 2fda7cb | 2008-07-05 20:41:53 -0400 | [diff] [blame] | 152 | |
| 153 | $(OUT)bios.bin: $(OUT)bios.bin.elf |
| 154 | @echo " Extracting binary $@" |
Kevin O'Connor | 86cebee | 2008-11-06 18:57:10 -0500 | [diff] [blame] | 155 | $(Q)$(OBJCOPY) -O binary $< $@ |
Kevin O'Connor | 2fda7cb | 2008-07-05 20:41:53 -0400 | [diff] [blame] | 156 | |
Kevin O'Connor | f076a3e | 2008-02-25 22:25:15 -0500 | [diff] [blame] | 157 | |
Kevin O'Connor | 1f2c307 | 2009-05-06 23:35:59 -0400 | [diff] [blame] | 158 | ################ VGA build rules |
| 159 | |
| 160 | # VGA src files |
Kevin O'Connor | 8d8e094 | 2009-05-17 21:14:46 -0400 | [diff] [blame] | 161 | SRCVGA=src/output.c src/util.c vgasrc/vga.c vgasrc/vgafb.c vgasrc/vgaio.c \ |
| 162 | vgasrc/vgatables.c vgasrc/vgafonts.c vgasrc/clext.c |
Kevin O'Connor | 1f2c307 | 2009-05-06 23:35:59 -0400 | [diff] [blame] | 163 | |
| 164 | $(OUT)vgaccode.16.s: ; $(call whole-compile, $(CFLAGS16) -S -Isrc, $(SRCVGA),$@) |
| 165 | |
| 166 | $(OUT)vgalayout16.o: vgaentry.S $(OUT)vgaccode.16.s $(OUT)asm-offsets.h |
| 167 | @echo " Compiling (16bit) $@" |
| 168 | $(Q)$(CC) $(CFLAGS16INC) -c -D__ASSEMBLY__ -Isrc $< -o $@ |
| 169 | |
| 170 | $(OUT)vgarom.o: $(OUT)vgalayout16.o $(OUT)vgalayout.lds |
| 171 | @echo " Linking $@" |
Kevin O'Connor | c069394 | 2009-06-10 21:56:01 -0400 | [diff] [blame] | 172 | $(Q)$(LD) --gc-sections -T $(OUT)vgalayout.lds $(OUT)vgalayout16.o -o $@ |
Kevin O'Connor | 1f2c307 | 2009-05-06 23:35:59 -0400 | [diff] [blame] | 173 | |
| 174 | $(OUT)vgabios.bin.raw: $(OUT)vgarom.o |
| 175 | @echo " Extracting binary $@" |
| 176 | $(Q)$(OBJCOPY) -O binary $< $@ |
| 177 | |
| 178 | $(OUT)vgabios.bin: $(OUT)vgabios.bin.raw |
| 179 | @echo " Finalizing rom $@" |
| 180 | $(Q)./tools/buildrom.py $< $@ |
| 181 | |
Kevin O'Connor | f076a3e | 2008-02-25 22:25:15 -0500 | [diff] [blame] | 182 | ####### Generic rules |
Kevin O'Connor | f076a3e | 2008-02-25 22:25:15 -0500 | [diff] [blame] | 183 | clean: |
Kevin O'Connor | 86cebee | 2008-11-06 18:57:10 -0500 | [diff] [blame] | 184 | $(Q)rm -rf $(OUT) |
Kevin O'Connor | f076a3e | 2008-02-25 22:25:15 -0500 | [diff] [blame] | 185 | |
| 186 | $(OUT): |
Kevin O'Connor | 86cebee | 2008-11-06 18:57:10 -0500 | [diff] [blame] | 187 | $(Q)mkdir $@ |
Kevin O'Connor | f076a3e | 2008-02-25 22:25:15 -0500 | [diff] [blame] | 188 | |
| 189 | -include $(OUT)*.d |