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Provide only necessary framebuffer information to the kernel

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This commit is contained in:
Rafal Kupiec
2024-03-15 16:46:53 +01:00
parent 945b323606
commit 41ebabcb09
6 changed files with 70 additions and 58 deletions
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32
xtldr/modules/framebuf/framebuf.c
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@@ -55,7 +55,9 @@ FbGetDisplayDriver(OUT PEFI_GRAPHICS_PROTOCOL Protocol)
*/
XTCDECL
EFI_STATUS
FbGetDisplayInformation(OUT PXTBL_FRAMEBUFFER_INFORMATION FbInfo)
FbGetDisplayInformation(OUT PEFI_PHYSICAL_ADDRESS FrameBufferBase,
OUT PULONG_PTR FrameBufferSize,
OUT PXTBL_FRAMEBUFFER_MODE_INFORMATION ModeInfo)
{
/* Check if framebuffer is initialized */
if(!FbpDisplayInfo.Initialized)
@@ -64,19 +66,21 @@ FbGetDisplayInformation(OUT PXTBL_FRAMEBUFFER_INFORMATION FbInfo)
return STATUS_EFI_NOT_READY;
}
/* Copy framebuffer information */
FbInfo->ModeInfo.BitsPerPixel = FbpDisplayInfo.ModeInfo.BitsPerPixel;
FbInfo->ModeInfo.BytesPerPixel = FbpDisplayInfo.ModeInfo.BytesPerPixel;
FbInfo->ModeInfo.PixelFormat = FbpDisplayInfo.ModeInfo.PixelFormat;
FbInfo->ModeInfo.PixelInformation = FbpDisplayInfo.ModeInfo.PixelInformation;
FbInfo->ModeInfo.PixelsPerScanLine = FbpDisplayInfo.ModeInfo.PixelsPerScanLine;
FbInfo->ModeInfo.Width = FbpDisplayInfo.ModeInfo.Width;
FbInfo->ModeInfo.Height = FbpDisplayInfo.ModeInfo.Height;
FbInfo->ModeInfo.Pitch = FbpDisplayInfo.ModeInfo.Pitch;
FbInfo->FrameBufferBase = FbpDisplayInfo.FrameBufferBase;
FbInfo->FrameBufferSize = FbpDisplayInfo.FrameBufferSize;
FbInfo->Protocol = FbpDisplayInfo.Protocol;
FbInfo->Initialized = FbpDisplayInfo.Initialized;
/* Set basic framebuffer information */
*FrameBufferBase = FbpDisplayInfo.FrameBufferBase;
*FrameBufferSize = FbpDisplayInfo.FrameBufferSize;
/* Set framebuffer mode information */
ModeInfo->Width = FbpDisplayInfo.ModeInfo.Width;
ModeInfo->Height = FbpDisplayInfo.ModeInfo.Height;
ModeInfo->Depth = FbpDisplayInfo.ModeInfo.Depth;
ModeInfo->RefreshRate = FbpDisplayInfo.ModeInfo.RefreshRate;
ModeInfo->BitsPerPixel = FbpDisplayInfo.ModeInfo.BitsPerPixel;
ModeInfo->BytesPerPixel = FbpDisplayInfo.ModeInfo.BytesPerPixel;
ModeInfo->PixelsPerScanLine = FbpDisplayInfo.ModeInfo.PixelsPerScanLine;
ModeInfo->Pitch = FbpDisplayInfo.ModeInfo.Pitch;
ModeInfo->PixelFormat = FbpDisplayInfo.ModeInfo.PixelFormat;
ModeInfo->PixelInformation = FbpDisplayInfo.ModeInfo.PixelInformation;
/* Return success */
return STATUS_EFI_SUCCESS;