Added i386 crt's and fixed boot file

kernel/arch/i386/boot.s

@@ -1,4 +1,4 @@
-.global loader
+.global _start
 
 /* Entry point in the kernel. */
 
@@ -41,10 +41,10 @@
 
 .text
 
-loader:
+_start:
 
     mov $kstack, %esp
-    add KSTACK_SIZE, %esp
+    add $KSTACK_SIZE, %esp
 
     call kmain
     cli

kernel/arch/i386/crti.S

@@ -0,0 +1,15 @@
+.section .init
+.global _init
+.type _init, @function
+_init:
+	push %ebp
+	movl %esp, %ebp
+	/* gcc will nicely put the contents of crtbegin.o's .init section here. */
+
+.section .fini
+.global _fini
+.type _fini, @function
+_fini:
+	push %ebp
+	movl %esp, %ebp
+	/* gcc will nicely put the contents of crtbegin.o's .fini section here. */

kernel/arch/i386/crtn.S

@@ -0,0 +1,9 @@
+.section .init
+	/* gcc will nicely put the contents of crtend.o's .init section here. */
+	popl %ebp
+	ret
+
+.section .fini
+	/* gcc will nicely put the contents of crtend.o's .fini section here. */
+	popl %ebp
+	ret

kernel/arch/i386/linker.ld

@@ -1,4 +1,4 @@
-ENTRY(loader)
+ENTRY(_start)
 
 SECTIONS {
 

kernel/arch/i386/make.config

@@ -0,0 +1,7 @@
+KERNEL_ARCH_CFLAGS=
+KERNEL_ARCH_CPPFLAGS=
+KERNEL_ARCH_LDFLAGS=
+KERNEL_ARCH_LIBS=
+
+KERNEL_ARCH_OBJS=\
+$(ARCHDIR)/boot.o \