1 files changed, 51 insertions, 0 deletions

diff --git a/utils/mkzenboot/dualboot/Makefile b/utils/mkzenboot/dualboot/Makefile
new file mode 100644
index 0000000000..752cc3ca28
--- /dev/null
+++ b/utils/mkzenboot/dualboot/Makefile
@@ -0,0 +1,51 @@
+CC=gcc
+LD=ld
+OC=objcopy
+CROSS_PREFIX=arm-elf-eabi-
+REGS_PATH=../../../firmware/target/arm/imx233/regs
+CFLAGS=-mcpu=arm926ej-s -std=gnu99 -I. -I$(REGS_PATH) -nostdlib -ffreestanding -fomit-frame-pointer -O
+LDFLAGS=
+# Edit the following variables when adding a new target.
+# mkimxboot.c also needs to be edited to refer to these
+# To add a new target x you need to:
+# 1) add x to the list in TARGETS
+# 2) create a variable named OPT_x of the form:
+#    OPT_x=target specific defines
+TARGETS=zenmozaic zenxfi zen zenv
+OPT_zenmozaic=-DCREATIVE_ZENMOZAIC -DIMX233_SUBTARGET=3700
+OPT_zenxfi=-DCREATIVE_ZENXFI -DIMX233_SUBTARGET=3700
+OPT_zen=-DCREATIVE_ZEN -DIMX233_SUBTARGET=3700
+OPT_zenv=-DCREATIVE_ZENV -DIMX233_SUBTARGET=3600
+
+BOOTLDS=$(patsubst %, dualboot_%.lds, $(TARGETS))
+BOOTOBJS=$(patsubst %, dualboot_%.o, $(TARGETS))
+BOOTBINS=$(patsubst %, dualboot_%.arm-bin, $(TARGETS))
+BOOTELFS=$(patsubst %, dualboot_%.arm-elf, $(TARGETS))
+
+all: ../dualboot.h ../dualboot.c $(BOOTELFS)
+
+# Dualboot bootloaders
+
+dualboot_%.o: dualboot.c
+        $(CROSS_PREFIX)$(CC) $(CFLAGS) $(OPT_$(@:dualboot_%.o=%)) -c -o $@ $^
+
+dualboot_%.lds: dualboot.lds
+        $(CROSS_PREFIX)$(CC) $(CFLAGS) $(OPT_$(@:dualboot_%.lds=%)) -E -x c - < $< | sed '/#/d' > $@
+
+dualboot_%.arm-elf: dualboot_%.o dualboot_%.lds
+        $(CROSS_PREFIX)$(LD) $(LDFLAGS) -T$(@:dualboot_%.arm-elf=dualboot_%.lds) -o $@ $<
+
+# Rules for the ARM code embedded in mkamsboot - assemble, link, then extract
+# the binary code and finally convert to .h for building in mkamsboot
+
+%.arm-bin: %.arm-elf
+        $(CROSS_PREFIX)$(OC) -O binary $< $@
+
+../dualboot.c ../dualboot.h: $(BOOTBINS) bin2c
+        ./bin2c ../dualboot $(BOOTBINS)
+
+bin2c: bin2c.c
+        $(CC) -o bin2c bin2c.c
+
+clean:
+        rm -f *~ bin2c $(BOOTBINS) $(BOOTOBJS) $(BOOTELFS) $(BOOTLDS)