Merge remote-tracking branch 'kraxel/bios.2' into staging

* kraxel/bios.2:
  Add vgabios build rules to roms/Makefile

roms/Makefile

 
+vgabios_variants := stdvga cirrus vmware qxl
+
 default:
 	@echo "nothing is build by default"
 	@echo "available build targets:"
 	@echo "  bios           -- update bios.bin (seabios)"
+	@echo "  seavgabios     -- update vgabios binaries (seabios)"
+	@echo "  lgplvgabios    -- update vgabios binaries (lgpl)"
 
 bios: config.seabios
 	sh configure-seabios.sh $<
 	make -C seabios out/bios.bin
 	cp seabios/out/bios.bin ../pc-bios/bios.bin
+
+seavgabios: $(patsubst %,seavgabios-%,$(vgabios_variants))
+
+seavgabios-%: config.vga.%
+	sh configure-seabios.sh $<
+	make -C seabios out/vgabios.bin
+	cp seabios/out/vgabios.bin ../pc-bios/vgabios-$*.bin
+
+lgplvgabios: $(patsubst %,lgplvgabios-%,$(vgabios_variants))
+
+lgplvgabios-%:
+	make -C vgabios vgabios-$*.bin
+	cp vgabios/VGABIOS-lgpl-latest.$*.bin ../pc-bios/vgabios-$*.bin

roms/config.vga.cirrus

+CONFIG_BUILD_VGABIOS=y
+CONFIG_VGA_CIRRUS=y
+CONFIG_VGA_PCI=y

roms/config.vga.isavga

+CONFIG_BUILD_VGABIOS=y
+CONFIG_VGA_BOCHS=y
+CONFIG_VGA_PCI=n

roms/config.vga.qxl

+CONFIG_BUILD_VGABIOS=y
+CONFIG_VGA_BOCHS=y
+CONFIG_VGA_PCI=y
+CONFIG_OVERRIDE_PCI_ID=y
+CONFIG_VGA_VID=0x1b36
+CONFIG_VGA_DID=0x0100

roms/config.vga.stdvga

+CONFIG_BUILD_VGABIOS=y
+CONFIG_VGA_BOCHS=y
+CONFIG_VGA_PCI=y

roms/config.vga.vmware

+CONFIG_BUILD_VGABIOS=y
+CONFIG_VGA_BOCHS=y
+CONFIG_VGA_PCI=y
+CONFIG_OVERRIDE_PCI_ID=y
+CONFIG_VGA_VID=0x15ad
+CONFIG_VGA_DID=0x0405