fixed crt0.o for compiler toolchain (-lfool no more!)

11 files changed, 63 insertions, 24 deletions

diff --git a/userspace/Makefile b/userspace/Makefile
index 1f562ab..d87b7a7 100644
--- a/userspace/Makefile
+++ b/userspace/Makefile
@@ -2,16 +2,14 @@
 CC=i686-foolos-gcc
 
 CFLAGS=
-#CFLAGS+=-fstack-protector-all
 CFLAGS+=-I..
 CFLAGS+=-w
 CFLAGS+=-std=gnu11
-CFLAGS+=-O3
+CFLAGS+=-O0
 CFLAGS+=-g
-LDFLAGS=
-LDFLAGS=-lfool
+#CFLAGS+=-fstack-protector-all
 
-#CFLAGS+=$(SYSROOT)/usr/lib/crt0.o
+LDFLAGS=
 
 PROGS=foolshell ls simple brainfuck add checker clear task1 task2 init cat snake
 
@@ -44,7 +42,7 @@ snake: snake.o
 foolshell: foolshell.o
 simple: simple.o
 add: add.o
-	$(CC) -o $@ $< -lm -lfool
+	$(CC) -o $@ $< -lm
 checker: checker.o
 task1: task1.o
 task2: task2.o
@@ -64,6 +62,3 @@ umount:
 	rm mnt -rf
 
 new: clean ext2.img
-
-
-
diff --git a/userspace/sys/Makefile b/userspace/sys/Makefile
index 2e71714..05177a6 100644
--- a/userspace/sys/Makefile
+++ b/userspace/sys/Makefile
@@ -1,31 +1,23 @@
 SYSROOT=/home/miguel/opt/foolos
 CC=i686-foolos-gcc
+LD=i686-foolos-ld
 
 CFLAGS=
 CFLAGS+=-w
 CFLAGS+=-I../..
 CFLAGS+=-gstabs
 
-OBJECTS=sys.o syscalls.o crt0.o
-
-full: clean library_install crt_install header_install
-
-all: $(OBJECTS)
-
-crt0.o: crt0.S
+install: crt_install header_install
 
 crt_install: crt0.o
 	cp crt0.o $(SYSROOT)/usr/lib/
 
-header_install:
-	cp termios.h $(SYSROOT)/usr/include/sys/
-
-libfool.a: sys.o syscalls.o
-	ar rcs libfool.a sys.o syscalls.o
-
-library_install: libfool.a
-	cp libfool.a $(SYSROOT)/usr/lib/
+crt0.o:	crt.o sys.o syscalls.o
+	$(LD) -r $^ -o $@
 
+header_install:
+	cp *.h $(SYSROOT)/usr/include/
+	cp sys/*.h $(SYSROOT)/usr/include/sys/
 
 clean:
 	-rm *.o *.a
diff --git a/userspace/sys/crt0.S b/userspace/sys/crt.S
index d09f8ca..d09f8ca 100644
--- a/userspace/sys/crt0.S
+++ b/userspace/sys/crt.S
diff --git a/userspace/sys/crt0.o b/userspace/sys/crt0.o
deleted file mode 100644
index 1b71404..0000000
--- a/userspace/sys/crt0.o
+++ /dev/null
diff --git a/userspace/sys/libfool.a b/userspace/sys/libfool.a
deleted file mode 100644
index 0823595..0000000
--- a/userspace/sys/libfool.a
+++ /dev/null
diff --git a/userspace/sys/linker.ld b/userspace/sys/linker.ld
new file mode 100644
index 0000000..7c1c4bf
--- /dev/null
+++ b/userspace/sys/linker.ld
@@ -0,0 +1,37 @@
+ENTRY(_start)
+
+SECTIONS
+{
+    . = 1M;
+
+    kernel_start = .;
+
+    .text BLOCK(4K) : ALIGN(4K)
+    {
+	    *(.multiboot)
+	    *(.text)
+    }
+
+    /* Read-only data. */
+    .rodata BLOCK(4K) : ALIGN(4K)
+    {
+	    *(.rodata)
+    }
+
+    /* Read-write data (initialized) */
+    .data BLOCK(4K) : ALIGN(4K)
+    {
+	    *(.data)
+    }
+
+    /* Read-write data (uninitialized) and stack */
+    .bss BLOCK(4K) : ALIGN(4K)
+    {
+	    *(COMMON)
+	    *(.bss)
+	    *(.bootstrap_stack)
+    }
+
+    kernel_end = .;
+
+}
diff --git a/userspace/sys/sgtty.h b/userspace/sys/sgtty.h
new file mode 100644
index 0000000..9e91b44
--- /dev/null
+++ b/userspace/sys/sgtty.h
@@ -0,0 +1,15 @@
+#define TIOCFLUSH 0x01
+#define RAW 0x02
+#define CBREAK 0x04
+#define XTABS 0x08
+#define CRMOD 0x10
+#define ECHO 0x20
+
+struct sgttyb{
+    int sg_ospeed;
+    int sg_erase;
+    int sg_kill;
+    int sg_flags;
+
+    // TODO: same struct should be used for /terminal/terminal.h ?
+};
diff --git a/userspace/sys/sys.o b/userspace/sys/sys.o
deleted file mode 100644
index dc5a2e3..0000000
--- a/userspace/sys/sys.o
+++ /dev/null
diff --git a/userspace/sys/sys/ioctl.h b/userspace/sys/sys/ioctl.h
new file mode 100644
index 0000000..e69de29
--- /dev/null
+++ b/userspace/sys/sys/ioctl.h
diff --git a/userspace/sys/termios.h b/userspace/sys/sys/termios.h
index b6625be..b6625be 100644
--- a/userspace/sys/termios.h
+++ b/userspace/sys/sys/termios.h
diff --git a/userspace/sys/syscalls.o b/userspace/sys/syscalls.o
deleted file mode 100644
index a0a4265..0000000
--- a/userspace/sys/syscalls.o
+++ /dev/null