mirrors/ladybird
0
0
Fork 0
mirror of https://github.com/LadybirdBrowser/ladybird.git synced 2025-07-28 19:59:17 +00:00
Code Issues Projects Releases Packages Wiki Activity Actions 10

Kernel: Add a MMIO class for aarch64

Browse source 
It doesn't do anything yet except figure out the peripheral base
address.

Very likely belongs in Kernel, not Prekernel, eventually.
This commit is contained in:
Nico Weber 2021-09-17 11:00:46 -04:00 • committed by Linus Groh
commit d0b9c7a20b
Notes: sideshowbarker 2024-07-18 03:40:29 +09:00
4 changed files with 54 additions and 3 deletions
Download patch file Download diff file Expand all files Collapse all files

26
Kernel/Prekernel/Arch/aarch64/MMIO.cpp Normal file
View file

@ -0,0 +1,26 @@
/*
* Copyright (c) 2021, Nico Weber <thakis@chromium.org>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#include <Kernel/Prekernel/Arch/aarch64/MMIO.h>
#include <Kernel/Prekernel/Arch/aarch64/MainIdRegister.h>
namespace Prekernel {
MMIO::MMIO()
: m_base_address(0xFE00'0000)
{
MainIdRegister id;
if (id.part_num() <= MainIdRegister::RaspberryPi3)
m_base_address = 0x3F00'0000;
}
MMIO& MMIO::the()
{
static MMIO instance;
return instance;
}
}