Fennix/Kernel
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implemented interrupts handler & stub crash screen

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This commit is contained in:
Alex
2022-10-16 20:53:57 +03:00
parent 04757bd11c
commit b8c5c15a47
15 changed files with 978 additions and 80 deletions
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40
include/display.hpp
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@ -5,6 +5,7 @@
#include <boot/binfo.h>
#include <memory.hpp>
#include <debug.h>
#include <cstring>
namespace Video
@ -82,6 +83,7 @@ namespace Video
uint64_t Size;
uint32_t Color;
uint32_t CursorX, CursorY;
long Checksum;
};
class Display
@ -89,7 +91,7 @@ namespace Video
private:
BootInfo::FramebufferInfo framebuffer;
Font *CurrentFont;
ScreenBuffer *Buffers[16];
ScreenBuffer *Buffers[256];
bool ColorIteration = false;
int ColorPickerIteration = 0;
@ -98,17 +100,30 @@ namespace Video
void SetCurrentFont(Font *Font) { CurrentFont = Font; }
void CreateBuffer(uint32_t Width, uint32_t Height, int Index)
{
if (Width == 0 && Height == 0)
{
Width = this->framebuffer.Width;
Height = this->framebuffer.Height;
debug("No width and height specified, using %ldx%ld", Width, Height);
}
uint64_t Size = this->framebuffer.Pitch * Height;
ScreenBuffer *buffer = new ScreenBuffer;
buffer->Buffer = KernelAllocator.RequestPages(TO_PAGES(Size));
buffer->Width = Width;
buffer->Height = Height;
buffer->Size = Size;
buffer->Color = 0x000000;
buffer->CursorX = 0;
buffer->CursorY = 0;
this->Buffers[Index] = buffer;
memset(buffer->Buffer, 0, Size);
if (this->Buffers[Index]->Checksum != 0xDEAD5C9EE7)
{
ScreenBuffer *buffer = new ScreenBuffer;
buffer->Buffer = KernelAllocator.RequestPages(TO_PAGES(Size));
buffer->Width = Width;
buffer->Height = Height;
buffer->Size = Size;
buffer->Color = 0xFFFFFF;
buffer->CursorX = 0;
buffer->CursorY = 0;
this->Buffers[Index] = buffer;
memset(this->Buffers[Index]->Buffer, 0, Size);
this->Buffers[Index]->Checksum = 0xDEAD5C9EE7;
}
else
warn("Buffer %d already exists, skipping creation", Index);
}
void SetBuffer(int Index) { memcpy(this->framebuffer.BaseAddress, this->Buffers[Index]->Buffer, this->Buffers[Index]->Size); }
void ClearBuffer(int Index) { memset(this->Buffers[Index]->Buffer, 0, this->Buffers[Index]->Size); }
@ -117,6 +132,7 @@ namespace Video
if (this->Buffers[Index] == nullptr)
return;
KernelAllocator.FreePages(this->Buffers[Index]->Buffer, TO_PAGES(this->Buffers[Index]->Size));
this->Buffers[Index]->Checksum = 0; // Making sure that the buffer is not used anymore
delete this->Buffers[Index];
}
@ -156,7 +172,7 @@ namespace Video
}
}
char Print(char Char, int Index);
char Print(char Char, int Index, bool WriteToUART = false);
Display(BootInfo::FramebufferInfo Info, bool LoadDefaultFont = true);
~Display();
};