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-rw-r--r--source/arch/x86_64/src/kernel/main.cpp1
-rw-r--r--source/arch/x86_64/src/video/vga/text.cpp11
2 files changed, 11 insertions, 1 deletions
diff --git a/source/arch/x86_64/src/kernel/main.cpp b/source/arch/x86_64/src/kernel/main.cpp
index 26ae730..0e90264 100644
--- a/source/arch/x86_64/src/kernel/main.cpp
+++ b/source/arch/x86_64/src/kernel/main.cpp
@@ -9,6 +9,7 @@ namespace teachos::arch::kernel
using namespace video::vga;
text::clear();
+ text::cursor(false);
text::write("TeachOS is starting up...", text::common_attributes::green_on_black);
}
} // namespace teachos::arch::kernel
diff --git a/source/arch/x86_64/src/video/vga/text.cpp b/source/arch/x86_64/src/video/vga/text.cpp
index ad9e46c..8259c5a 100644
--- a/source/arch/x86_64/src/video/vga/text.cpp
+++ b/source/arch/x86_64/src/video/vga/text.cpp
@@ -1,6 +1,7 @@
#include "arch/video/vga/text.hpp"
#include "arch/boot/pointers.hpp"
+#include "arch/video/vga/io.hpp"
#include "memory/asm_pointer.hpp"
#include <algorithm>
@@ -30,9 +31,17 @@ namespace teachos::arch::video::vga::text
std::ranges::fill_n(*text_buffer, 2000, std::pair{' ', attribute});
}
+ auto cursor(bool enabled) -> void
+ {
+ auto cursor_disable_byte = std::byte{!enabled} << 5;
+
+ crtc::address_port::write(crtc::registers::cursor_start);
+ crtc::data_port::write(vga::crtc::data_port::read() | cursor_disable_byte);
+ }
+
auto write(std::string_view code_points, attribute attribute) -> void
{
std::ranges::for_each(code_points, [&](auto code_point) { write(code_point, attribute); });
}
-} // namespace teachos::arch::video::vga::text \ No newline at end of file
+} // namespace teachos::arch::video::vga::text