Improved build commands

.gitignore

@@ -1,5 +1,4 @@
-dist/
+mittos.iso
-build/
 sysroot/
 
 *.d

Makefile

@@ -2,23 +2,27 @@ ifeq ($(BUILDROOT),)
 $(error BUILDROOT IS NOT SET!)
 endif
 
+TARGET := x86_64-elf
+KERNELMAKE := TARGET=${TARGET} $(MAKE) -C src/kernel
+
+DIST := $(BUILDROOT)/mittos.iso
 SYSROOT := $(BUILDROOT)/sysroot
 
-DIST := $(BUILDROOT)/dist/mittos.iso
+$(DIST): $(SYSROOT)/kernel
-
+	$(BUILDROOT)/toolchain/setup-grub.sh
-$(DIST):
-	setup-grub.sh
 	grub-mkrescue -o $@ $(SYSROOT)
 
-kernel:
+$(SYSROOT)/kernel: FORCE
 ifeq ($(shell make -sqC src/kernel || echo 1), 1)
-	$(MAKE) -C src/kernel install
+	$(KERNELMAKE) install
 endif
 
-install: $(DIST)
+.PHONY: FORCE
 
 clean:
 	rm -rf $(DIST)
-	$(MAKE) -C src/kernel clean
+	$(KERNELMAKE) clean
 
-.PHONY: install
+distclean:
+	$(MAKE) clean
+	rm -rf $(SYSROOT)

dbg

@@ -1,3 +1,12 @@
 #!/usr/bin/env bash
 
-docker-compose -f toolchain/docker-compose.yml run --rm dbg "$@"
+default="gdb -q -x /opt/toolchain/gdbinit"
+
+if [[ "$1" == "-" ]]; then
+    shift
+    cmd="$@"
+else
+    cmd="${default} $@"
+fi
+
+docker-compose -f toolchain/docker-compose.yml run --rm -u $(id -u):$(id -g) run ${cmd}

emu

@@ -1,3 +1,12 @@
 #!/usr/bin/env bash
 
-docker-compose -f toolchain/docker-compose.yml run --rm --name emul emul "$@"
+default="qemu-system-x86_64 -s -S -cdrom /opt/mittos.iso -curses"
+
+if [[ "$1" == "-" ]]; then
+    shift
+    cmd="$@"
+else
+    cmd="${default} $@"
+fi
+
+docker-compose -f toolchain/docker-compose.yml run --rm --name emul -u $(id -u):$(id -g) run ${cmd}

make

@@ -1,3 +1,12 @@
 #!/usr/bin/env bash
 
-docker-compose -f toolchain/docker-compose.yml run --rm -u $(id -u):$(id -g) make make "$@"
+default="make"
+
+if [[ "$1" == "-" ]]; then
+    shift
+    cmd="$@"
+else
+    cmd="${default} $@"
+fi
+
+docker-compose -f toolchain/docker-compose.yml run --rm -u $(id -u):$(id -g) build ${cmd}

src/kernel/Makefile

@@ -1,5 +1,8 @@
+ifeq ($(BUILDROOT),)
+$(error BUILDROOT IS NOT SET!)
+endif
 
-CC := x86_64-elf-gcc
+CC := ${TARGET}-gcc
 
 SRC := $(wildcard **/*.[cS])
 OBJ := $(patsubst %, %.o, $(basename $(SRC)))
@@ -13,6 +16,7 @@ LDFLAGS := -n -nostdlib -lgcc -T Link.ld
 kernel: $(OBJ)
 	$(LINK.c) $^ -o $@
 
+# Automatic dependency tracking
 DEP := $(OBJ:.o=.d)
 DEPFLAGS = -MT $@ -MMD -MP -MF $*.d
 $(OBJ): CPPFLAGS += $(DEPFLAGS)
@@ -30,4 +34,5 @@ clean:
 
 .PHONY: install
 
+# Include automatic dependency rules
 include $(DEP)

toolchain/docker-compose.yml

@@ -1,29 +1,18 @@
 version: "3.5"
 
 services:
-  make:
+  build:
     image: thomasloven/mittos-build
     build:
       context: .
       dockerfile: Dockerfile.build
     volumes:
       - ..:/opt
-    command: make
 
-  emul:
+  run:
     image: thomasloven/mittos-run
     build:
       context: .
       dockerfile: Dockerfile.run      
     volumes:
       - ..:/opt
-    command: qemu-system-x86_64 -s -S -cdrom /opt/dist/mittos.iso -curses
-  
-  dbg:
-    image: thomasloven/mittos-run
-    build:
-      context: .
-      dockerfile: Dockerfile.run
-    volumes:
-      - ..:/opt
-    command: gdb -q -x /opt/toolchain/gdbinit

toolchain/gdbinit

@@ -5,6 +5,7 @@ target remote emul:1234
 
 define q
 monitor quit
+quit
 end
 
 define reg