historical/m0-applesillicon.git/xnu-qemu-arm64-5.1.0/roms/SLOF/rtas/rtas_common.S
2024-01-16 11:20:27 -06:00

87 lines
1.9 KiB
ArmAsm

/******************************************************************************
* Copyright (c) 2004, 2008 IBM Corporation
* All rights reserved.
* This program and the accompanying materials
* are made available under the terms of the BSD License
* which accompanies this distribution, and is available at
* http://www.opensource.org/licenses/bsd-license.php
*
* Contributors:
* IBM Corporation - initial implementation
*****************************************************************************/
.globl save_regs_r3_r12
.globl restore_regs_r3_r12
.globl save_regs_r13_r25
.globl restore_regs_r13_r25
save_regs_r3_r12:
stdu r1,-0x80(r1) # allocate space on stack
std r3,0x30(r1)
std r4,0x38(r1)
std r5,0x40(r1)
std r6,0x48(r1)
std r7,0x50(r1)
std r8,0x58(r1)
std r9,0x60(r1)
std r10,0x68(r1)
std r11,0x70(r1)
std r12,0x78(r1)
blr
restore_regs_r3_r12:
ld r3,0x30(r1)
ld r4,0x38(r1)
ld r5,0x40(r1)
ld r6,0x48(r1)
ld r7,0x50(r1)
ld r8,0x58(r1)
ld r9,0x60(r1)
ld r10,0x68(r1)
ld r11,0x70(r1)
ld r12,0x78(r1)
addi r1,r1,0x80 # cleanup stack
blr
save_regs_r13_r25:
stdu r1,-0x98(r1) # allocate space on stack
std r13,0x30(r1)
std r14,0x38(r1)
std r15,0x40(r1)
std r16,0x48(r1)
std r17,0x50(r1)
std r18,0x58(r1)
std r19,0x60(r1)
std r20,0x68(r1)
std r21,0x70(r1)
std r22,0x78(r1)
std r23,0x80(r1)
std r24,0x88(r1)
std r25,0x90(r1)
blr
restore_regs_r13_r25:
ld r13,0x30(r1) # restore registers from stack
ld r14,0x38(r1)
ld r15,0x40(r1)
ld r16,0x48(r1)
ld r17,0x50(r1)
ld r18,0x58(r1)
ld r19,0x60(r1)
ld r20,0x68(r1)
ld r21,0x70(r1)
ld r22,0x78(r1)
ld r23,0x80(r1)
ld r24,0x88(r1)
ld r25,0x90(r1)
addi r1,r1,0x98 # cleanup stack
blr