/* *  linux/arch/arm/lib/delay.S * *  Copyright (C) 1995, 1996 Russell King * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License version 2 as * published by the Free Software Foundation. */#include <linux/linkage.h>#include <asm/assembler.h>#include <asm/delay.h>		.text .LC0:		.word	loops_per_jiffy.LC1:		.word	UDELAY_MULT /* * r0  <= 2000 * lpj <= 0x01ffffff (max. 3355 bogomips) * HZ  <= 1000 */ ENTRY(__loop_udelay)		ldr	r2, .LC1		mul	r0, r2, r0ENTRY(__loop_const_udelay)			@ 0 <= r0 <= 0x7fffff06		mov	r1, #-1		ldr	r2, .LC0		ldr	r2, [r2]		@ max = 0x01ffffff		add	r0, r0, r1, lsr #32-14		mov	r0, r0, lsr #14		@ max = 0x0001ffff		add	r2, r2, r1, lsr #32-10		mov	r2, r2, lsr #10		@ max = 0x00007fff		mul	r0, r2, r0		@ max = 2^32-1		add	r0, r0, r1, lsr #32-6		movs	r0, r0, lsr #6		moveq	pc, lr /* * loops = r0 * HZ * loops_per_jiffy / 1000000 */		.align 3 @ Delay routineENTRY(__loop_delay)		subs	r0, r0, #1#if 0		movls	pc, lr		subs	r0, r0, #1		movls	pc, lr		subs	r0, r0, #1		movls	pc, lr		subs	r0, r0, #1		movls	pc, lr		subs	r0, r0, #1		movls	pc, lr		subs	r0, r0, #1		movls	pc, lr		subs	r0, r0, #1		movls	pc, lr		subs	r0, r0, #1#endif		bhi	__loop_delay		mov	pc, lrENDPROC(__loop_udelay)ENDPROC(__loop_const_udelay)ENDPROC(__loop_delay)