1 files changed, 78 insertions, 0 deletions
diff --git a/qemu/roms/sgabios/Makefile b/qemu/roms/sgabios/Makefile
new file mode 100644
index 000000000..970b0ff37
--- /dev/null
+++ b/qemu/roms/sgabios/Makefile
@@ -0,0 +1,78 @@
+# Copyright 2010 Google Inc.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#      http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+#
+# $Id$
+
+BUILD_DATE = \"$(shell date -u)\"
+BUILD_SHORT_DATE = \"$(shell date -u +%D)\"
+BUILD_HOST = \"$(shell hostname)\"
+BUILD_USER = \"$(shell whoami)\"
+
+CFLAGS := -Wall -Os -m32 -nostdlib
+
+ASFLAGS := $(CFLAGS)
+ASFLAGS += -DBUILD_DATE="$(BUILD_DATE)"
+ASFLAGS += -DBUILD_SHORT_DATE="$(BUILD_SHORT_DATE)"
+ASFLAGS += -DBUILD_HOST="$(BUILD_HOST)"
+ASFLAGS += -DBUILD_USER="$(BUILD_USER)"
+
+LDSCRIPT := rom16.ld
+LDFLAGS := -T $(LDSCRIPT) -nostdlib
+OBJCOPY := objcopy
+
+ASRCS = sgabios.S
+
+CSRCS =
+
+SRCS = $(CSRCS) $(ASRCS)
+
+OBJS = ${CSRCS:.c=.o} ${ASRCS:.S=.o}
+INCS = ${CSRCS:.c=.h} ${ASRCS:.S=.h}
+
+PROGS = sgabios.bin csum8
+
+.SUFFIXES: .bin .elf
+.PHONY: buildinfo
+
+all: $(PROGS)
+
+sgabios.bin: sgabios.elf
+	$(OBJCOPY) -O binary $< $@
+	./csum8 $@
+
+sgabios.elf: .depend $(OBJS) $(LDSCRIPT) csum8
+	$(LD) $(LDFLAGS) $(OBJS) -o $@
+
+csum8: csum8.c
+	$(CC) -Wall -O2 -o $@ $<
+
+sgabios.o: buildinfo
+
+
+buildinfo:
+	touch sgabios.S
+clean:
+	$(RM) $(PROGS) $(OBJS) *.elf *.srec *.com version.h
+
+.depend:: $(INCS) $(SRCS) Makefile
+	$(RM) .depend
+	$(CPP) -M $(CFLAGS) $(SRCS) >.tmpdepend && mv .tmpdepend .depend
+
+ifeq (.depend, $(wildcard .depend))
+include .depend
+else
+# if no .depend file existed, add a make clean to the end of building .depend
+.depend::
+	$(MAKE) clean
+endif