SHELL = /bin/sh
CC = gcc
-CPP = $(CC) -E
VPATH := $(TOP_SRCDIR)/threads
VPATH := $(VPATH):$(TOP_SRCDIR)/devices
VPATH := $(VPATH):$(TOP_SRCDIR)/userprog
WARNINGS = -Wall -W -Wstrict-prototypes -Wmissing-prototypes
-CFLAGS = -g -O3 -MMD $(WARNINGS) $(INCLUDES) $(DEFINES)
+CFLAGS = -g -O3 -MMD -msoft-float $(WARNINGS) $(INCLUDES) $(DEFINES)
ASFLAGS = -Wa,--gstabs+ $(INCLUDES) $(DEFINES)
# Core kernel.
LIB_SRC += random.c # Pseudo-random numbers.
LIB_SRC += list.c # Doubly-linked lists.
LIB_SRC += bitmap.c # Bitmaps.
-LIB_SRC += backdoor.c # Backdoor IPC.
# Filesystem code.
FILESYS_SRC = filesys.c # Filesystem core.
FILESYS_SRC += file.c # Files.
FILESYS_SRC += directory.c # Directories.
FILESYS_SRC += filehdr.c # File headers (inodes).
+FILESYS_SRC += fsutil.c # Utilities.
# User process code.
USERPROG_SRC = addrspace.c # Address spaces.
intr-stubs.S: $(TOP_SRCDIR)/threads/intr-stubs.pl
$< > $@
-kernel.lds: $(TOP_SRCDIR)/threads/kernel.lds.in
+kernel.lds.s: $(TOP_SRCDIR)/threads/kernel.lds.S $(TOP_SRCDIR)/threads/loader.h
$(CPP) -x assembler-with-cpp -P $< -o $@
-kernel.o: $(OBJECTS) kernel.lds
- ld -T kernel.lds -o $@ $(OBJECTS) `$(CC) -print-libgcc-file-name`
+kernel.o: $(OBJECTS) kernel.lds.s
+ ld -T kernel.lds.s -o $@ $(OBJECTS) `$(CC) -print-libgcc-file-name`
kernel.bin: kernel.o
objcopy -O binary -R .note -R .comment -S $< $@.tmp
$(TOP_SRCDIR)/pad 4096 < $@.tmp > $@
-loader.bin: loader.S kernel.bin
+loader.bin: loader.S loader.h kernel.bin
gcc -c $< -DKERNEL_LOAD_PAGES=`perl -e 'print +(-s "kernel.bin") / 4096;'`
ld -N -e start -Ttext 0x7c00 --oformat binary -o $@ loader.o
clean:
rm -f *.o *.d *.bin
- rm -f kernel.bin.data kernel.bin.pad intr-stubs.S kernel.lds
+ rm -f kernel.bin.data kernel.bin.pad intr-stubs.S kernel.lds.s
-include *.d