split off nanonote code, try to make it boot

mips/nanonote/Makefile.arch

@@ -0,0 +1,66 @@
+# Iris: micro-kernel for a capability-based operating system.
+# mips/nanonote/Makefile.arch: nanonote-specific parts of the build rules
+# Copyright 2009 Bas Wijnen <wijnen@debian.org>
+#
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+load = 0x80000000
+
+ARCH_CXXFLAGS = -DNUM_THREADS=2
+ARCH_CPPFLAGS = -I. -Imips -Imips/nanonote -Wa,-mips32 -DNANONOTE
+CROSS = mipsel-linux-gnu-
+OBJDUMP = $(CROSS)objdump
+junk = mdebug.abi32 reginfo comment pdr
+OBJCOPYFLAGS = $(addprefix --remove-section=.,$(junk))
+LDFLAGS = --omagic -Ttext $(load)
+
+arch_iris_sources = mips/interrupts.cc mips/arch.cc
+boot_sources = mips/init.cc mips/nanonote/board.cc
+arch_headers = mips/arch.hh mips/nanonote/jz4740.hh mips/nanonote/board.hh
+boot_threads = init udc
+
+test: iris.raw nanonote-boot
+	./nanonote-boot iris.raw 0xa$(shell /bin/sh -c '$(OBJDUMP) -t iris | grep __start$$ | cut -b2-8')
+.PHONY: test
+
+%.elf: %.o
+	$(LD) $(LDFLAGS) -o $@ $<
+
+%.raw: %.elf
+	$(OBJCOPY) -S $(OBJCOPYFLAGS) -Obinary $< $@
+
+nanonote-boot: mips/nanonote/nanonote-boot.cc mips/nanonote/sdram-setup.raw
+	g++ `pkg-config --cflags --libs shevek` $< -o $@ -D'STAGE1="$<"' -lusb
+
+mips/nanonote/sdram-setup.elf: mips/nanonote/sdram-setup.ld
+mips/nanonote/sdram-setup.elf: LDFLAGS = --omagic -T mips/nanonote/sdram-setup.ld
+mips/boot.o: TARGET_FLAGS = -DMEMORY_SIZE="32 << 20"
+mips/entry.o: $(boot_threads)
+mips/init.o: TARGET_FLAGS = -I/usr/include
+$(boot_threads): TARGET_FLAGS = -I.
+$(boot_threads): LDFLAGS = -EL
+$(addprefix boot-programs/,$(addsuffix .cc,$(boot_threads))): boot-programs/devices.hh boot-programs/init.hh
+lcd: boot-programs/charset.data
+
+boot-programs/charset.data: boot-programs/charset
+	$< > $@
+
+%.o:%.S Makefile Makefile.arch mips/arch.hh
+	$(CC) $(CPPFLAGS) $(TARGET_FLAGS) -DKERNEL_STACK_SIZE=0x2000 -c $< -o $@
+
+# entry.o must be the first file.  threadlist.o must be the first of the init objects (which can be freed after loading).
+iris.elf: mips/entry.o $(subst .cc,.o,$(iris_sources)) mips/nanonote/threadlist.o mips/boot.o $(subst .cc,.o,$(boot_sources))
+	$(LD) $(LDFLAGS) $^ -o $@
+
+ARCH_CLEAN_FILES = $(boot_sources) $(boot_threads) $(arch_headers) boot_programs/init.hh boot_programs/devices.hh mips/*.o mips/nanonote/*.o boot-programs/charset.data iris.elf iris.raw mips/nanonote/sdram-setup.elf mips/nanonote/sdram-setup.raw