disassemble.s

这是一个不到2000行的操作系统

uart:     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:	e92d4010 	stmdb	sp!, {r4, lr}
  74:	e3500001 	cmp	r0, #1	; 0x1
  78:	c5913004 	ldrgt	r3, [r1, #4]
  7c:	d3a0304e 	movle	r3, #78	; 0x4e
  80:	e24dd004 	sub	sp, sp, #4	; 0x4
  84:	c5d32000 	ldrgtb	r2, [r3]
  88:	d5cd3000 	strleb	r3, [sp]
  8c:	e3a0300a 	mov	r3, #10	; 0xa
  90:	e1a0400d 	mov	r4, sp
  94:	c5cd2000 	strgtb	r2, [sp]
  98:	e3a02000 	mov	r2, #0	; 0x0
  9c:	e5cd3001 	strb	r3, [sp, #1]
  a0:	e2833003 	add	r3, r3, #3	; 0x3
  a4:	e5cd3002 	strb	r3, [sp, #2]
  a8:	e5cd2003 	strb	r2, [sp, #3]
  ac:	e1a00004 	mov	r0, r4
  b0:	ebffffe3 	bl	0x44
  b4:	e3a00064 	mov	r0, #100	; 0x64
  b8:	ebffffdb 	bl	0x2c
  bc:	eafffffa 	b	0xac