Seperate kernel and userspace targets

Makefile

@@ -1,15 +1,50 @@
 ARCH?=x86_64
 
+# Kernel variables
+KTARGET=$(ARCH)-unknown-none
+KBUILD=build/kernel
+KRUSTC=./krustc.sh
+KRUSTCFLAGS=--target $(KTARGET).json -O -C soft-float
+KCARGO=RUSTC="$(KRUSTC)" cargo
+KCARGOFLAGS=--target $(KTARGET).json -- -O -C soft-float
+
+# Userspace variables
+TARGET=$(ARCH)-unknown-redox
+BUILD=build/userspace
+RUSTC=./rustc.sh
+RUSTCFLAGS=--target $(TARGET).json -O -C soft-float --cfg redox
+CARGO=RUSTC="$(RUSTC)" cargo
+CARGOFLAGS=--target $(TARGET).json -- -O -C soft-float --cfg redox
+
+# Default targets
+.PHONY: all clean qemu bochs FORCE
+
+all: $(KBUILD)/harddrive.bin
+
+clean:
+	cargo clean
+	cargo clean --manifest-path libstd/Cargo.toml
+	cargo clean --manifest-path init/Cargo.toml
+	rm -rf build
+
+FORCE:
+
+# Emulation
 QEMU=qemu-system-$(ARCH)
 QEMUFLAGS=-serial mon:stdio -d guest_errors
-
-RUSTCFLAGS=--target $(ARCH)-unknown-redox.json -O -C soft-float --cfg redox
-CARGOFLAGS=--target $(ARCH)-unknown-redox.json -- -O -C soft-float --cfg redox
-
 ifeq ($(ARCH),arm)
 	LD=$(ARCH)-none-eabi-ld
 	QEMUFLAGS+=-cpu arm1176 -machine integratorcp
 	QEMUFLAGS+=-nographic
+
+$(KBUILD)/kernel.list: $(KBUILD)/kernel.bin
+	$(ARCH)-none-eabi-objdump -C -D $< > $@
+
+$(KBUILD)/harddrive.bin: $(KBUILD)/kernel.bin
+	cp $< $@
+
+qemu: $(KBUILD)/harddrive.bin
+	$(QEMU) $(QEMUFLAGS) -kernel $<
 else
 	LD=ld
 	QEMUFLAGS+=-enable-kvm -cpu host -machine q35 -smp 4
@@ -22,69 +57,63 @@ else
 		LD=$(ARCH)-elf-ld
 		QEMUFLAGS=
 	endif
-endif
 
-all: build/kernel.bin
+$(KBUILD)/kernel.list: $(KBUILD)/kernel.bin
-
-list: build/kernel.list
-
-run: bochs
-
-bochs: build/harddrive.bin
-	bochs -f bochs.$(ARCH)
-
-FORCE:
-
-build/libcore.rlib: rust/src/libcore/lib.rs
-	mkdir -p build
-	./rustc.sh $(RUSTCFLAGS) -o $@ $<
-
-build/librand.rlib: rust/src/librand/lib.rs build/libcore.rlib
-	./rustc.sh $(RUSTCFLAGS) -o $@ $<
-
-build/liballoc.rlib: rust/src/liballoc/lib.rs build/libcore.rlib
-	./rustc.sh $(RUSTCFLAGS) -o $@ $<
-
-build/librustc_unicode.rlib: rust/src/librustc_unicode/lib.rs build/libcore.rlib
-	./rustc.sh $(RUSTCFLAGS) -o $@ $<
-
-build/libcollections.rlib: rust/src/libcollections/lib.rs build/libcore.rlib build/liballoc.rlib build/librustc_unicode.rlib
-	./rustc.sh $(RUSTCFLAGS) -o $@ $<
-
-build/libstd.rlib: libstd/Cargo.toml libstd/src/** build/libcore.rlib build/liballoc.rlib build/librustc_unicode.rlib build/libcollections.rlib build/librand.rlib
-	RUSTC="./rustc.sh" cargo rustc --manifest-path $< $(CARGOFLAGS) -o $@
-	cp libstd/target/$(ARCH)-unknown-redox/debug/deps/*.rlib build
-
-build/init: init/Cargo.toml init/src/*.rs build/libstd.rlib
-	RUSTC="./rustc.sh" cargo rustc --manifest-path $< $(CARGOFLAGS) -o $@
-	strip $@
-
-build/libkernel.a: build/libcore.rlib build/liballoc.rlib build/libcollections.rlib build/init kernel/** FORCE
-	RUSTC="./rustc.sh" cargo rustc $(CARGOFLAGS) -o $@
-
-build/kernel.bin: build/libkernel.a
-	$(LD) --gc-sections -z max-page-size=0x1000 -T arch/$(ARCH)/src/linker.ld -o $@ $<
-	strip $@
-
-ifeq ($(ARCH),arm)
-build/kernel.list: build/kernel.bin
-	$(ARCH)-none-eabi-objdump -C -D $< > $@
-
-qemu: build/kernel.bin
-	$(QEMU) $(QEMUFLAGS) -kernel $<
-else
-build/kernel.list: build/kernel.bin
 	objdump -C -M intel -D $< > $@
 
-build/harddrive.bin: build/kernel.bin bootloader/$(ARCH)/**
+$(KBUILD)/harddrive.bin: $(KBUILD)/kernel.bin bootloader/$(ARCH)/**
-	nasm -f bin -o $@ -D ARCH_$(ARCH) -ibootloader/$(ARCH)/ -ibuild/ bootloader/$(ARCH)/harddrive.asm
+	nasm -f bin -o $@ -D ARCH_$(ARCH) -ibootloader/$(ARCH)/ -i$(KBUILD)/ bootloader/$(ARCH)/harddrive.asm
 
-qemu: build/harddrive.bin
+qemu: $(KBUILD)/harddrive.bin
 	$(QEMU) $(QEMUFLAGS) -drive file=$<,format=raw,index=0,media=disk
 endif
 
-clean:
+bochs: $(KBUILD)/harddrive.bin
-	cargo clean
+	bochs -f bochs.$(ARCH)
-	cargo clean --manifest-path libstd/Cargo.toml
+
-	cargo clean --manifest-path init/Cargo.toml
+# Kernel recipes
-	rm -rf build/*
+$(KBUILD)/libcore.rlib: rust/src/libcore/lib.rs
+	mkdir -p $(KBUILD)
+	$(KRUSTC) $(KRUSTCFLAGS) -o $@ $<
+
+$(KBUILD)/librand.rlib: rust/src/librand/lib.rs $(KBUILD)/libcore.rlib
+	$(KRUSTC) $(KRUSTCFLAGS) -o $@ $<
+
+$(KBUILD)/liballoc.rlib: rust/src/liballoc/lib.rs $(KBUILD)/libcore.rlib
+	$(KRUSTC) $(KRUSTCFLAGS) -o $@ $<
+
+$(KBUILD)/librustc_unicode.rlib: rust/src/librustc_unicode/lib.rs $(KBUILD)/libcore.rlib
+	$(KRUSTC) $(KRUSTCFLAGS) -o $@ $<
+
+$(KBUILD)/libcollections.rlib: rust/src/libcollections/lib.rs $(KBUILD)/libcore.rlib $(KBUILD)/liballoc.rlib $(KBUILD)/librustc_unicode.rlib
+	$(KRUSTC) $(KRUSTCFLAGS) -o $@ $<
+
+$(KBUILD)/libkernel.a: $(KBUILD)/libcore.rlib $(KBUILD)/liballoc.rlib $(KBUILD)/libcollections.rlib $(BUILD)/init kernel/** FORCE
+	$(KCARGO) rustc $(KCARGOFLAGS) -o $@
+
+$(KBUILD)/kernel.bin: $(KBUILD)/libkernel.a
+	$(LD) --gc-sections -z max-page-size=0x1000 -T arch/$(ARCH)/src/linker.ld -o $@ $<
+
+# Userspace recipes
+$(BUILD)/libcore.rlib: rust/src/libcore/lib.rs
+	mkdir -p $(BUILD)
+	$(RUSTC) $(RUSTCFLAGS) -o $@ $<
+
+$(BUILD)/librand.rlib: rust/src/librand/lib.rs $(BUILD)/libcore.rlib
+	$(RUSTC) $(RUSTCFLAGS) -o $@ $<
+
+$(BUILD)/liballoc.rlib: rust/src/liballoc/lib.rs $(BUILD)/libcore.rlib
+	$(RUSTC) $(RUSTCFLAGS) -o $@ $<
+
+$(BUILD)/librustc_unicode.rlib: rust/src/librustc_unicode/lib.rs $(BUILD)/libcore.rlib
+	$(RUSTC) $(RUSTCFLAGS) -o $@ $<
+
+$(BUILD)/libcollections.rlib: rust/src/libcollections/lib.rs $(BUILD)/libcore.rlib $(BUILD)/liballoc.rlib $(BUILD)/librustc_unicode.rlib
+	$(RUSTC) $(RUSTCFLAGS) -o $@ $<
+
+$(BUILD)/libstd.rlib: libstd/Cargo.toml libstd/src/** $(BUILD)/libcore.rlib $(BUILD)/liballoc.rlib $(BUILD)/librustc_unicode.rlib $(BUILD)/libcollections.rlib $(BUILD)/librand.rlib
+	$(CARGO) rustc --verbose --manifest-path $< $(CARGOFLAGS) -o $@
+	cp libstd/target/$(TARGET)/debug/deps/*.rlib $(BUILD)
+
+$(BUILD)/init: init/Cargo.toml init/src/*.rs $(BUILD)/libstd.rlib
+	$(CARGO) rustc --manifest-path $< $(CARGOFLAGS) -o $@

kernel/lib.rs

@@ -142,7 +142,7 @@ pub extern fn kmain() {
     let stderr = syscall::open("debug:".as_bytes(), 0);
     println!("STDERR: {:?}", stderr);
 
-    let elf = elf::Elf::from(include_bytes!("../build/init")).expect("could not load elf");
+    let elf = elf::Elf::from(include_bytes!("../build/userspace/init")).expect("could not load elf");
     elf.run();
 
     /*

krustc.sh

@@ -0,0 +1,2 @@
+#!/bin/bash
+RUST_BACKTRACE=1 rustc -L build/kernel --cfg redox $*

rustc.sh

@@ -1,2 +1,2 @@
 #!/bin/bash
-RUST_BACKTRACE=1 rustc -L build --cfg redox $*
+RUST_BACKTRACE=1 rustc -L build/userspace --cfg redox $*

x86_64-unknown-redox.json

@@ -13,7 +13,7 @@
     "dynamic-linking": false,
     "executables": true,
     "relocation-model": "static",
-    "code-model": "kernel",
+    "code-model": "default",
     "disable-redzone": true,
     "eliminate-frame-pointer": false,
     "exe-suffix": "",