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Kernel: Add temporary debug printing utilities for Aarch64

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Added dbgln() and warnln() debug functions to help bootstraping.
Eventually they are going to be replaced by AK/Format.h implementation.
This commit is contained in:
Marcin Undak 2021-10-14 22:48:48 -04:00 • committed by Andreas Kling
parent 0329a37271
commit 82a73b8499
3 changed files with 36 additions and 0 deletions
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20
Kernel/Prekernel/Arch/aarch64/Utils.cpp Normal file
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@ -0,0 +1,20 @@
/*
* Copyright (c) 2021, Marcin Undak <mcinek@gmail.com>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#include <Kernel/Prekernel/Arch/aarch64/UART.h>
#include <Kernel/Prekernel/Arch/aarch64/Utils.h>
void Prekernel::dbgln(const char* text)
{
auto& uart = Prekernel::UART::the();
uart.print_str(text);
uart.print_str("\r\n");
}
void Prekernel::warnln(const char* text)
{
dbgln(text);
}

15
Kernel/Prekernel/Arch/aarch64/Utils.h Normal file
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@ -0,0 +1,15 @@
/*
* Copyright (c) 2021, Marcin Undak <mcinek@gmail.com>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#pragma once
namespace Prekernel {
// FIXME: to be replaced by real implementation from AK/Format.h
void dbgln(const char* text);
void warnln(const char* text);
}

1
Kernel/Prekernel/CMakeLists.txt
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@ -11,6 +11,7 @@ if ("${SERENITY_ARCH}" STREQUAL "aarch64")
Arch/aarch64/MMIO.cpp
Arch/aarch64/Timer.cpp
Arch/aarch64/UART.cpp
Arch/aarch64/Utils.cpp
Arch/aarch64/Aarch64_asm_utils.S
Arch/aarch64/boot.S
Arch/aarch64/init.cpp