qemu/roms/SLOF/rtas/rtas_common.S

   1 /******************************************************************************
   2  * Copyright (c) 2004, 2008 IBM Corporation
   3  * All rights reserved.
   4  * This program and the accompanying materials
   5  * are made available under the terms of the BSD License
   6  * which accompanies this distribution, and is available at
   7  * http://www.opensource.org/licenses/bsd-license.php
   8  *
   9  * Contributors:
  10  *     IBM Corporation - initial implementation
  11  *****************************************************************************/
  12
  13 .globl save_regs_r3_r12
  14 .globl restore_regs_r3_r12
  15 .globl save_regs_r13_r25
  16 .globl restore_regs_r13_r25
  17
  18
  19 save_regs_r3_r12:
  20         stdu    r1,-0x80(r1)            # allocate space on stack
  21
  22         std     r3,0x30(r1)
  23         std     r4,0x38(r1)
  24         std     r5,0x40(r1)
  25         std     r6,0x48(r1)
  26         std     r7,0x50(r1)
  27         std     r8,0x58(r1)
  28         std     r9,0x60(r1)
  29         std     r10,0x68(r1)
  30         std     r11,0x70(r1)
  31         std     r12,0x78(r1)
  32
  33         blr
  34
  35 restore_regs_r3_r12:
  36         ld      r3,0x30(r1)
  37         ld      r4,0x38(r1)
  38         ld      r5,0x40(r1)
  39         ld      r6,0x48(r1)
  40         ld      r7,0x50(r1)
  41         ld      r8,0x58(r1)
  42         ld      r9,0x60(r1)
  43         ld      r10,0x68(r1)
  44         ld      r11,0x70(r1)
  45         ld      r12,0x78(r1)
  46
  47         addi    r1,r1,0x80              # cleanup stack
  48
  49         blr
  50
  51 save_regs_r13_r25:
  52         stdu    r1,-0x98(r1)            # allocate space on stack
  53
  54         std     r13,0x30(r1)
  55         std     r14,0x38(r1)
  56         std     r15,0x40(r1)
  57         std     r16,0x48(r1)
  58         std     r17,0x50(r1)
  59         std     r18,0x58(r1)
  60         std     r19,0x60(r1)
  61         std     r20,0x68(r1)
  62         std     r21,0x70(r1)
  63         std     r22,0x78(r1)
  64         std     r23,0x80(r1)
  65         std     r24,0x88(r1)
  66         std     r25,0x90(r1)
  67
  68         blr
  69
  70 restore_regs_r13_r25:
  71         ld      r13,0x30(r1)            # restore registers from stack
  72         ld      r14,0x38(r1)
  73         ld      r15,0x40(r1)
  74         ld      r16,0x48(r1)
  75         ld      r17,0x50(r1)
  76         ld      r18,0x58(r1)
  77         ld      r19,0x60(r1)
  78         ld      r20,0x68(r1)
  79         ld      r21,0x70(r1)
  80         ld      r22,0x78(r1)
  81         ld      r23,0x80(r1)
  82         ld      r24,0x88(r1)
  83         ld      r25,0x90(r1)
  84
  85         addi    r1,r1,0x98              # cleanup stack
  86
  87         blr