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Kernel/aarch64: Remove BootPPMParser.{cpp,h}

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The BootPPMParser has been unused since 0acd87954b.
This commit is contained in:
Sönke Holz 2024-08-25 21:50:27 +02:00 committed by Nico Weber
parent b41365d11d
commit 815361aec2
5 changed files with 0 additions and 152 deletions
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111
Kernel/Arch/aarch64/BootPPMParser.cpp
View file

@ -1,111 +0,0 @@
/*
* Copyright (c) 2021, Marcin Undak <mcinek@gmail.com>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#include "BootPPMParser.h"
namespace Kernel {
BootPPMParser::BootPPMParser(u8 const* buffer, u32 buffer_size)
{
m_cursor = reinterpret_cast<char const*>(buffer);
m_buffer_end = m_cursor + buffer_size;
}
bool BootPPMParser::parse()
{
if (!check_position()) {
return false;
}
if (!parse_magic()) {
return false;
}
if (!parse_new_line()) {
return false;
}
if (!parse_comment()) {
return false;
}
if (!parse_integer(image.width)) {
return false;
}
if (!parse_integer(image.height)) {
return false;
}
u32 max_color_value;
if (!parse_integer(max_color_value) || max_color_value != 255) {
return false;
}
image.pixel_data = reinterpret_cast<u8 const*>(m_cursor);
return true;
}
bool BootPPMParser::check_position() const
{
if (m_cursor >= m_buffer_end) {
return false;
}
return true;
}
bool BootPPMParser::parse_magic()
{
if (m_cursor[0] != 'P' || m_cursor[1] != '6') {
return false;
}
m_cursor += 2;
return check_position();
}
bool BootPPMParser::parse_new_line()
{
if (*m_cursor != '\n') {
return false;
}
++m_cursor;
return check_position();
}
bool BootPPMParser::parse_comment()
{
if (*m_cursor == '#') {
// Skip to the next new line character
while (check_position() && *m_cursor != '\n') {
++m_cursor;
}
++m_cursor;
}
return check_position();
}
bool BootPPMParser::parse_integer(u32& value)
{
auto begin = m_cursor;
while (check_position() && *m_cursor != ' ' && *m_cursor != '\n') {
++m_cursor;
}
auto end = m_cursor;
++m_cursor;
if (!check_position()) {
return false;
}
value = 0;
u32 multiplier = 1;
while (--end >= begin) {
value += multiplier * (*end - '0');
multiplier *= 10;
}
return true;
}
}

38
Kernel/Arch/aarch64/BootPPMParser.h
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@ -1,38 +0,0 @@
/*
* Copyright (c) 2021, Marcin Undak <mcinek@gmail.com>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#pragma once
#include <AK/Types.h>
namespace Kernel {
// Quick parser for .ppm image format (raw PortablePixMap)
// This is much simpler version than userland implementation in PPMLoader.cpp
class BootPPMParser {
public:
struct {
u32 width = 0;
u32 height = 0;
u8 const* pixel_data = nullptr;
} image;
BootPPMParser(u8 const* buffer, u32 buffer_size);
bool parse();
private:
char const* m_cursor;
char const* m_buffer_end;
bool check_position() const;
bool parse_magic();
bool parse_new_line();
bool parse_comment();
bool parse_integer(u32& value);
};
}

1
Kernel/Arch/aarch64/RPi/Framebuffer.cpp
View file

@ -5,7 +5,6 @@
*/
#include <AK/Format.h>
#include <Kernel/Arch/aarch64/BootPPMParser.h>
#include <Kernel/Arch/aarch64/RPi/Framebuffer.h>
#include <Kernel/Arch/aarch64/RPi/FramebufferMailboxMessages.h>
#include <Kernel/Boot/BootInfo.h>

1
Kernel/CMakeLists.txt
View file

@ -492,7 +492,6 @@ elseif("${SERENITY_ARCH}" STREQUAL "aarch64")
Arch/aarch64/archctl.cpp
Arch/aarch64/boot.S
Arch/aarch64/BootPPMParser.cpp
Arch/aarch64/CPUID.cpp
Arch/aarch64/CurrentTime.cpp
Arch/aarch64/Dummy.cpp

1
Meta/gn/secondary/Kernel/BUILD.gn
View file

@ -356,7 +356,6 @@ source_set("arch_sources") {
deps = [ ":aarch64_no_mmu" ]
sources = [
"Arch/Processor.cpp",
"Arch/aarch64/BootPPMParser.cpp",
"Arch/aarch64/CPUID.cpp",
"Arch/aarch64/CurrentTime.cpp",
"Arch/aarch64/Dummy.cpp",