fix: bugs related to O2 optimization

[lunaix-os.git] / lunaix-os / makefile

diff --git a/lunaix-os/makefile b/lunaix-os/makefile
index 9ac9c3e415139cd701a0a0585cb124e14f7b9eea..2735946ad29feaa663c907eb6ce755be91392df8 100644 (file)
--- a/lunaix-os/makefile
+++ b/lunaix-os/makefile
@@ -20,16 +20,16 @@ $(ISO_DIR):
 
 $(OBJECT_DIR)/%.S.o: %.S
        @mkdir -p $(@D)
-       @echo " BUILD: $<"
+       @echo "  CC    $<"
        @$(CC) $(INCLUDES) -c $< -o $@
 
 $(OBJECT_DIR)/%.c.o: %.c 
        @mkdir -p $(@D)
-       @echo " BUILD: $<"
+       @echo "  CC    $<"
        @$(CC) $(INCLUDES) -c $< -o $@ $(CFLAGS)
 
 $(BIN_DIR)/$(OS_BIN): $(OBJECT_DIR) $(BIN_DIR) $(SRC)
-       @echo " LINK: $(BIN_DIR)/$(OS_BIN)"
+       @echo "  LD    $(BIN_DIR)/$(OS_BIN)"
        @$(CC) -T link/linker.ld -o $(BIN_DIR)/$(OS_BIN) $(SRC) $(LDFLAGS)
 
 $(BUILD_DIR)/$(OS_ISO): $(ISO_DIR) $(BIN_DIR)/$(OS_BIN) GRUB_TEMPLATE
@@ -39,34 +39,41 @@ $(BUILD_DIR)/$(OS_ISO): $(ISO_DIR) $(BIN_DIR)/$(OS_BIN) GRUB_TEMPLATE
 
 all: clean $(BUILD_DIR)/$(OS_ISO)
 
+instable: O := -O2
+instable: all
+
 all-debug: O := -Og
 all-debug: CFLAGS := -g -std=gnu99 -ffreestanding $(O) $(W) $(ARCH_OPT) -D__LUNAIXOS_DEBUG__
 all-debug: LDFLAGS := -g -ffreestanding $(O) -nostdlib -lgcc
 all-debug: clean $(BUILD_DIR)/$(OS_ISO)
        @echo "Dumping the disassembled kernel code to $(BUILD_DIR)/kdump.txt"
-       @${TOOLCHAIN}/i686-elf-objdump -S $(BIN_DIR)/$(OS_BIN) > $(BUILD_DIR)/kdump.txt
+       @i686-elf-objdump -S $(BIN_DIR)/$(OS_BIN) > $(BUILD_DIR)/kdump.txt
 
 clean:
        @rm -rf $(BUILD_DIR) || exit 1
-       @sleep 2
+       @sleep 1
 
 run: $(BUILD_DIR)/$(OS_ISO)
-       @qemu-system-i386 -cdrom $(BUILD_DIR)/$(OS_ISO) $(QEMU_OPTIONS)
+       @qemu-system-i386 $(QEMU_OPTIONS)
        @sleep 1
        @telnet 127.0.0.1 $(QEMU_MON_PORT)
 
 debug-qemu: all-debug
-       @${TOOLCHAIN}/i686-elf-objcopy --only-keep-debug $(BIN_DIR)/$(OS_BIN) $(BUILD_DIR)/kernel.dbg
-       @qemu-system-i386 -cdrom $(BUILD_DIR)/$(OS_ISO) $(QEMU_OPTIONS)
+       @i686-elf-objcopy --only-keep-debug $(BIN_DIR)/$(OS_BIN) $(BUILD_DIR)/kernel.dbg
+       @qemu-system-i386 $(QEMU_OPTIONS)
        @sleep 1
        @$(QEMU_MON_TERM) -- telnet 127.0.0.1 $(QEMU_MON_PORT)
        @gdb -s $(BUILD_DIR)/kernel.dbg -ex "target remote localhost:1234"
 
 debug-qemu-vscode: all-debug
-       @${TOOLCHAIN}/i686-elf-objcopy --only-keep-debug $(BIN_DIR)/$(OS_BIN) $(BUILD_DIR)/kernel.dbg
-       @qemu-system-i386 -cdrom $(BUILD_DIR)/$(OS_ISO) $(QEMU_OPTIONS)
+       @i686-elf-objcopy --only-keep-debug $(BIN_DIR)/$(OS_BIN) $(BUILD_DIR)/kernel.dbg
+       @qemu-system-i386 $(QEMU_OPTIONS)
        @sleep 0.5
        @telnet 127.0.0.1 $(QEMU_MON_PORT)
 
 debug-bochs: all-debug
        @bochs -q -f bochs.cfg
+
+debug-metal: 
+       @printf "@cmc" > $(PORT)
+       @gdb -s $(BUILD_DIR)/kernel.dbg -ex "target remote $(PORT)"
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