mem.go

// Copyright 2022 The Armored Witness Boot authors. All Rights Reserved.
//
// 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
//
//     http://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.

//go:build !bee
// +build !bee

package main

import (
	_ "unsafe"
)

//go:linkname ramStart runtime.ramStart
var ramStart uint32 = 0x90000000

//go:linkname ramSize runtime.ramSize
var ramSize uint32 = 0x08000000

// DMA region for bootloader operation
const (
	dmaStart = 0x98000000
	dmaSize  = 0x08000000
)

// DMA region for target kernel boot
const (
	memoryStart = 0x80000000
	memorySize  = 0x10000000
)