diff options
Diffstat (limited to 'kc/boot/kc_main.c')
| -rw-r--r-- | kc/boot/kc_main.c | 25 |
1 files changed, 25 insertions, 0 deletions
diff --git a/kc/boot/kc_main.c b/kc/boot/kc_main.c index c503d9f..1686ce4 100644 --- a/kc/boot/kc_main.c +++ b/kc/boot/kc_main.c @@ -149,6 +149,31 @@ static void create_kernel_maps(Elf64_Ehdr *ehdr, void *base) static void collect_video_data(void) { + EFI_GUID gop_guid = EFI_GRAPHICS_OUTPUT_PROTOCOL_GUID; + EFI_STATUS status; + EFI_GRAPHICS_OUTPUT_PROTOCOL *gop_interface; + + status = e_bs->LocateProtocol(&gop_guid, NULL, (void **)&gop_interface); + + if (EFI_ERROR(status)) + { + plog(L"found no graphics devices\r\n"); + } + else + { + plog(L"found graphics device\r\n"); + EFI_GRAPHICS_OUTPUT_PROTOCOL_MODE *mode = gop_interface->Mode; + EFI_GRAPHICS_OUTPUT_MODE_INFORMATION *info = mode->Info; + + boot_data.video_data.buffer.base = mode->FrameBufferBase; + boot_data.video_data.buffer.size = mode->FrameBufferSize; + + boot_data.video_data.width = info->HorizontalResolution; + boot_data.video_data.height = info->VerticalResolution; + boot_data.video_data.pitch = info->PixelsPerScanLine; + boot_data.video_data.format = info->PixelFormat; + boot_data.video_data.mask = info->PixelInformation; + } } static void collect_acpi_data(void) |