/*
 * Copyright 2022 The Android Open Source Project
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     https://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

#pragma once

#define PSCI_SYSTEM_RESET (0x84000009)

.macro adr_l, reg:req, sym:req
	adrp \reg, \sym
	add \reg, \reg, :lo12:\sym
.endm

.macro mov_i, reg:req, imm:req
	movz \reg, :abs_g3:\imm
	movk \reg, :abs_g2_nc:\imm
	movk \reg, :abs_g1_nc:\imm
	movk \reg, :abs_g0_nc:\imm
.endm

.macro hvc_call func_id:req
    mov_i x0, \func_id
    hvc 0
.endm

.macro reset_or_hang
	hvc_call PSCI_SYSTEM_RESET
999:	wfi
	b 999b
.endm