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kernel/linux-rt-4.4.41/arch/sh/boards/mach-hp6xx/pm_wakeup.S 739 Bytes
5113f6f70   김현기   kernel add
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  /*
   * Copyright (c) 2006 Andriy Skulysh <askulsyh@gmail.com>
   *
   * This file is subject to the terms and conditions of the GNU General Public
   * License.  See the file "COPYING" in the main directory of this archive
   * for more details.
   *
   */
  
  #include <linux/linkage.h>
  #include <cpu/mmu_context.h>
  
  /*
   * Kernel mode register usage:
   *	k0	scratch
   *	k1	scratch
   * For more details, please have a look at entry.S
   */
  
  #define k0	r0
  #define k1	r1
  
  ENTRY(wakeup_start)
  ! clear STBY bit
  	mov	#-126, k1
     	and	#127, k0
  	mov.b	k0, @k1
  ! enable refresh
  	mov.l	5f, k1
  	mov.w	6f, k0
    	mov.w	k0, @k1
  ! jump to handler
  	mov.l	4f, k1
  	jmp	@k1
  	 nop
  
  	.align	2
  4:	.long	handle_interrupt
  5:	.long	0xffffff68
  6:	.word	0x0524
  
  ENTRY(wakeup_end)
  	nop