/*

* pongoOS - https://checkra.in

*

* Copyright (C) 2019-2021 checkra1n team

*

* This file is part of pongoOS.

*

* Permission is hereby granted, free of charge, to any person obtaining a copy

* of this software and associated documentation files (the "Software"), to deal

* in the Software without restriction, including without limitation the rights

* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell

* copies of the Software, and to permit persons to whom the Software is

* furnished to do so, subject to the following conditions:

*

* The above copyright notice and this permission notice shall be included in all

* copies or substantial portions of the Software.

*

* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR

* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,

* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE

* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER

* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,

* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE

* SOFTWARE.

*

*/

.align 2

.global _jump_to_image

_jump_to_image:

mov x30, x0

mov x0, x1

isb

dsb sy

ic iallu

dsb sy

isb

mov x1, xzr

mov x2, xzr

mov x3, xzr

ret

.global _jump_to_image_extended

_jump_to_image_extended:

mov x30, x0

mov x0, x1

mov x8, x2

isb

dsb sy

ic iallu

dsb sy

isb

mov x1, xzr

mov x2, xzr

mov x3, xzr

ret

.global _tramp_hook

_tramp_hook:

mov x8, x27

mov x9, x29

mov x27, #0x800000000

movk x27, #0x1800, lsl#16

add x29, x27, #0x4