disassemble.s

这是一个不到2000行的操作系统

leds:     file format binary

Disassembly of section .data:

00000000 <.data>:
   0:	e59d0000 	ldr	r0, [sp]
   4:	e28d1004 	add	r1, sp, #4	; 0x4
   8:	eb000018 	bl	0x70
   c:	eb000000 	bl	0x14
  10:	eafffffe 	b	0x10
  14:	e1a03000 	mov	r3, r0
  18:	e1a00003 	mov	r0, r3
  1c:	ef000000 	swi	0x00000000
  20:	e1a03000 	mov	r3, r0
  24:	e1a00003 	mov	r0, r3
  28:	e1a0f00e 	mov	pc, lr
  2c:	e1a03000 	mov	r3, r0
  30:	e1a00003 	mov	r0, r3
  34:	ef000001 	swi	0x00000001
  38:	e1a03000 	mov	r3, r0
  3c:	e1a00003 	mov	r0, r3
  40:	e1a0f00e 	mov	pc, lr
  44:	e1a03000 	mov	r3, r0
  48:	e1a00003 	mov	r0, r3
  4c:	ef000002 	swi	0x00000002
  50:	e1a03000 	mov	r3, r0
  54:	e1a00003 	mov	r0, r3
  58:	e1a0f00e 	mov	pc, lr
  5c:	e3500000 	cmp	r0, #0	; 0x0
  60:	01a0f00e 	moveq	pc, lr
  64:	e2500001 	subs	r0, r0, #1	; 0x1
  68:	1afffffd 	bne	0x64
  6c:	e1a0f00e 	mov	pc, lr
  70:	e3a02456 	mov	r2, #1442840576	; 0x56000000
  74:	e3a03955 	mov	r3, #1392640	; 0x154000
  78:	e92d4030 	stmdb	sp!, {r4, r5, lr}
  7c:	e1a05002 	mov	r5, r2
  80:	e3e0407f 	mvn	r4, #127	; 0x7f
  84:	e5823010 	str	r3, [r2, #16]
  88:	e5854014 	str	r4, [r5, #20]
  8c:	e59f0010 	ldr	r0, [pc, #16]	; 0xa4
  90:	ebffffeb 	bl	0x44
  94:	e3a00032 	mov	r0, #50	; 0x32
  98:	e2444080 	sub	r4, r4, #128	; 0x80
  9c:	ebffffe2 	bl	0x2c
  a0:	eafffff8 	b	0x88
  a4:	000000a8 	andeq	r0, r0, r8, lsr #1
  a8:	72657375 	rsbvc	r7, r5, #-738197503	; 0xd4000001
  ac:	6f727020 	swivs	0x00727020
  b0:	6d617267 	sfmvs	f7, 2, [r1, #-412]!
  b4:	64656c20 	strvsbt	r6, [r5], #-3104
  b8:	69772073 	ldmvsdb	r7!, {r0, r1, r4, r5, r6, sp}^
  bc:	73206c6c 	teqvc	r0, #27648	; 0x6c00
  c0:	7065656c 	rsbvc	r6, r5, ip, ror #10
  c4:	352e3020 	strcc	r3, [lr, #-32]!
  c8:	000d0a73 	andeq	r0, sp, r3, ror sl