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Kernel: Make TextModeConsole store VGA window base as VirtualAddress

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This commit is contained in:
Andreas Kling 2021-09-08 18:41:07 +02:00
parent 3e07b04564
commit 6f2c7ecbbb
Notes: sideshowbarker 2024-07-18 04:25:42 +09:00 
Author: https://github.com/awesomekling
Commit: https://github.com/SerenityOS/serenity/commit/6f2c7ecbbbb
2 changed files with 4 additions and 3 deletions
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4
Kernel/Graphics/Console/TextModeConsole.cpp
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@ -113,7 +113,7 @@ void TextModeConsole::show_cursor()
void TextModeConsole::clear(size_t x, size_t y, size_t length)
{
SpinlockLocker lock(m_vga_lock);
auto* buf = (u16*)(m_current_vga_window + (x * 2) + (y * width() * 2));
auto* buf = (u16*)m_current_vga_window.offset((x * 2) + (y * width() * 2)).as_ptr();
for (size_t index = 0; index < length; index++) {
buf[index] = 0x0720;
}
@ -141,7 +141,7 @@ void TextModeConsole::write(size_t x, size_t y, char ch, Color background, Color
return;
}
auto* buf = (u16*)(m_current_vga_window + (x * 2) + (y * width() * 2));
auto* buf = (u16*)m_current_vga_window.offset((x * 2) + (y * width() * 2)).as_ptr();
*buf = foreground << 8 | background << 12 | ch;
m_x = x + 1;

3
Kernel/Graphics/Console/TextModeConsole.h
View file

@ -39,7 +39,8 @@ private:
explicit TextModeConsole(const VGACompatibleAdapter&);
mutable Spinlock m_vga_lock;
u8* m_current_vga_window { nullptr };
VirtualAddress m_current_vga_window;
};
}