early_led.s

来自「华为 HI3510 BOOTLOADER HIBOOT 源码包」· S 代码 · 共 31 行

	ldr r1, early_led_reg_base
	mov r0, #0x80
	str r0, [r1, #0x400]

	ldr r1, early_led_reg_base
	mov r2, #5
	ldr r3, early_led_period
	1:
		nop
		mov r0, r3
		2:
		subs r0, r0, #1
		bne 2b

		ldr r0, [r1, #0x200]
		eor r0, r0, #0x80
		str r0, [r1, #0x200]

	subs r2, r2, #1
	bne 1b

	b early_led_exit

early_led_reg_base:
	.word	0x101e6000
early_led_period:
	.word	0x1000
early_led_exit: