Fixed Makefile and kernel.ld

Built the kernel.img, kernel.list and kernel.map
Added .gitignore

.gitignore

@@ -0,0 +1,2 @@
+build/
+*.sw[po]

Makefile

@@ -1,8 +1,8 @@
 # Distributed under the terms of the GNU General Public License v2
 
-CC ?= arm-none-eabi
-LD ?= $(CC)-ld
-AS ?= $(CC)-as
+ARMGNU ?= arm-none-eabi
+ARMLD  ?= $(ARMGNU)-ld
+ARMAS  ?= $(ARMGNU)-as
 
 BUILD  = build
 SOURCE = src
@@ -15,17 +15,20 @@ OBJECTS := $(patsubst $(SOURCE)/%.s,$(BUILD)/%.o,$(wildcard $(SOURCE)/*.s))
 
 all: $(TARGET) $(LIST)
 
+test:
+	echo $(ARMGNU)
+
 $(LIST): $(BUILD)/output.elf
-	$(CC)-objdump -d $< > $@
+	$(ARMGNU)-objdump -d $< > $@
 
 $(TARGET): $(BUILD)/output.elf
-	$(CC)-objcopy $< -O binary $@
+	$(ARMGNU)-objcopy $< -O binary $@
 
 $(BUILD)/output.elf: $(OBJECTS) $(LINKER)
-	$(LD) --no-undefined $< -Map $(MAP) -o $@ -T $(LINKER)
+	$(ARMLD) --no-undefined $< -Map $(MAP) -o $@ -T $(LINKER)
 
 $(BUILD)/%.o: $(SOURCE)/%.s
-	$(AS) -I $(SOURCE) $< -o $@
+	$(ARMAS) -I $(SOURCE) $< -o $@
 
 clean:
 	rm -f $(BUILD)/*.o

kernel.ld

@@ -6,7 +6,7 @@ SECTIONS {
     *(.init)
   }
 
-  /DISCARD/: {
+  /DISCARD/ : {
     *(*)
   }
 }

kernel.list

@@ -0,0 +1,17 @@
+
+build/output.elf:     file format elf32-littlearm
+
+Disassembly of section .init:
+
+00008000 <_start>:
+    8000:	e59f0018 	ldr	r0, [pc, #24]	; 8020 <loop$+0x4>
+    8004:	e3a01001 	mov	r1, #1	; 0x1
+    8008:	e1a01901 	lsl	r1, r1, #18
+    800c:	e5801004 	str	r1, [r0, #4]
+    8010:	e3a01001 	mov	r1, #1	; 0x1
+    8014:	e1a01801 	lsl	r1, r1, #16
+    8018:	e5801028 	str	r1, [r0, #40]
+
+0000801c <loop$>:
+    801c:	eafffffe 	b	801c <loop$>
+    8020:	20200000 	.word	0x20200000

kernel.map

@@ -0,0 +1,32 @@
+
+Discarded input sections
+
+ .text          0x00000000        0x0 build/main.o
+ .data          0x00000000        0x0 build/main.o
+ .bss           0x00000000        0x0 build/main.o
+ .ARM.attributes
+                0x00000000        0x0 build/main.o
+ .glue_7        0x00000000        0x0 build/main.o
+ .glue_7t       0x00000000        0x0 build/main.o
+ .vfp11_veneer  0x00000000        0x0 build/main.o
+ .janus_2cc_veneer
+                0x00000000        0x0 build/main.o
+ .v4_bx         0x00000000        0x0 build/main.o
+
+Memory Configuration
+
+Name             Origin             Length             Attributes
+*default*        0x00000000         0xffffffff
+
+Linker script and memory map
+
+LOAD build/main.o
+
+.init           0x00008000       0x24
+ *(.init)
+ .init          0x00008000       0x24 build/main.o
+                0x00008000                _start
+
+/DISCARD/
+ *(*)
+OUTPUT(build/output.elf elf32-littlearm)

src/main.s

@@ -1,6 +1,6 @@
 # Distributed under the terms of the GNU General Public License v2
 .section .init
-.glob _start
+.globl _start
 
 _start: