apps: Add bltgrid and lfbgrid, and add error checks to modelist
This adds bltgrid and lfbgrid, which draw checkerboards using GOP's Blt() and linear framebuffer, respectively, and adds some error checks to modelist.efi. Signed-off-by: Peter Jones <pjones@redhat.com> Signed-off-by: Nigel Croxon <ncroxon@redhat.com>
This commit is contained in:
Peter Jones
Nigel Croxon
parent
2c624c22fe
commit
5ec879ace7
@ -61,7 +61,8 @@ LOADLIBES += -T $(LDSCRIPT)
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TARGET_APPS = t.efi t2.efi t3.efi t4.efi t5.efi t6.efi \
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printenv.efi t7.efi t8.efi tcc.efi modelist.efi \
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route80h.efi drv0_use.efi AllocPages.efi exit.efi \
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FreePages.efi setjmp.efi debughook.efi debughook.efi.debug
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FreePages.efi setjmp.efi debughook.efi debughook.efi.debug \
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bltgrid.efi lfbgrid.efi
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TARGET_BSDRIVERS = drv0.efi
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TARGET_RTDRIVERS =
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131
apps/bltgrid.c
Normal file
131
apps/bltgrid.c
Normal file
@ -0,0 +1,131 @@
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#include <efi.h>
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#include <efilib.h>
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extern EFI_GUID GraphicsOutputProtocol;
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static void
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fill_boxes(UINT32 *PixelBuffer, UINT32 Width, UINT32 Height)
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{
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UINT32 y, x = 0;
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/*
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* This assums BGRR, but it doesn't really matter; we pick red and
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* green so it'll just be blue/green if the pixel format is backwards.
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*/
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EFI_GRAPHICS_OUTPUT_BLT_PIXEL Red = {0, 0, 0xff, 0},
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Green = {0, 0xff, 0, 0},
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*Color;
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for (y = 0; y < Height; y++) {
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Color = ((y / 32) % 2 == 0) ? &Red : &Green;
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for (x = 0; x < Width; x++) {
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if (x % 32 == 0 && x != 0)
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Color = (Color == &Red) ? &Green : &Red;
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PixelBuffer[y * Width + x] = *(UINT32 *)Color;
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}
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}
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}
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static void
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draw_boxes(EFI_GRAPHICS_OUTPUT_PROTOCOL *gop)
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{
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int i, imax;
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EFI_STATUS rc;
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EFI_GRAPHICS_OUTPUT_MODE_INFORMATION *info;
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UINTN NumPixels;
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UINT32 *PixelBuffer;
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UINT32 BufferSize;
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if (gop->Mode) {
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imax = gop->Mode->MaxMode;
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} else {
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Print(L"gop->Mode is NULL\n");
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return;
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}
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for (i = 0; i < imax; i++) {
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UINTN SizeOfInfo;
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rc = uefi_call_wrapper(gop->QueryMode, 4, gop, i, &SizeOfInfo,
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&info);
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if (EFI_ERROR(rc) && rc == EFI_NOT_STARTED) {
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Print(L"gop->QueryMode() returned %r\n", rc);
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Print(L"Trying to start GOP with SetMode().\n");
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rc = uefi_call_wrapper(gop->SetMode, 2, gop,
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gop->Mode ? gop->Mode->Mode : 0);
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rc = uefi_call_wrapper(gop->QueryMode, 4, gop, i,
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&SizeOfInfo, &info);
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}
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if (EFI_ERROR(rc)) {
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Print(L"%d: Bad response from QueryMode: %r (%d)\n",
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i, rc, rc);
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continue;
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}
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if (CompareMem(info, gop->Mode->Info, sizeof (*info)))
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continue;
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NumPixels = info->VerticalResolution * info->HorizontalResolution;
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BufferSize = NumPixels * sizeof(UINT32);
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PixelBuffer = AllocatePool(BufferSize);
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if (!PixelBuffer) {
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Print(L"Allocation of 0x%08lx bytes failed.\n",
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sizeof(UINT32) * NumPixels);
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return;
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}
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fill_boxes(PixelBuffer,
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info->HorizontalResolution, info->VerticalResolution);
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uefi_call_wrapper(gop->Blt, 10, gop,
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(EFI_GRAPHICS_OUTPUT_BLT_PIXEL *)PixelBuffer,
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EfiBltBufferToVideo,
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0, 0, 0, 0,
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info->HorizontalResolution,
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info->VerticalResolution,
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0);
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return;
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}
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Print(L"Never found the active video mode?\n");
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}
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static EFI_STATUS
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SetWatchdog(UINTN seconds)
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{
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EFI_STATUS rc;
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rc = uefi_call_wrapper(BS->SetWatchdogTimer, 4, seconds, 0x1ffff,
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0, NULL);
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if (EFI_ERROR(rc)) {
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CHAR16 Buffer[64];
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StatusToString(Buffer, rc);
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Print(L"Bad response from QueryMode: %s (%d)\n", Buffer, rc);
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}
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return rc;
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}
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EFI_STATUS
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efi_main (EFI_HANDLE image_handle, EFI_SYSTEM_TABLE *systab)
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{
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EFI_STATUS rc;
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EFI_GRAPHICS_OUTPUT_PROTOCOL *gop;
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InitializeLib(image_handle, systab);
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SetWatchdog(10);
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rc = LibLocateProtocol(&GraphicsOutputProtocol, (void **)&gop);
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if (EFI_ERROR(rc)) {
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Print(L"Could not locate GOP: %r\n", rc);
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return rc;
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}
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if (!gop) {
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Print(L"LocateProtocol(GOP, &gop) returned %r but GOP is NULL\n", rc);
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return EFI_UNSUPPORTED;
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}
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draw_boxes(gop);
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SetWatchdog(0);
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return EFI_SUCCESS;
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}
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170
apps/lfbgrid.c
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170
apps/lfbgrid.c
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@ -0,0 +1,170 @@
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#include <efi.h>
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#include <efilib.h>
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extern EFI_GUID GraphicsOutputProtocol;
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#define be32_to_cpu(x) __builtin_bswap32(x)
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static void
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fill_boxes(UINT32 *PixelBuffer, UINT32 Width, UINT32 Height, UINT32 Pitch,
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EFI_GRAPHICS_PIXEL_FORMAT Format, EFI_PIXEL_BITMASK Info )
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{
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UINT32 Red, Green;
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UINT32 y, x, color;
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switch(Format) {
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case PixelRedGreenBlueReserved8BitPerColor:
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Red = be32_to_cpu(0xff000000);
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Green = be32_to_cpu(0x00ff0000);
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break;
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case PixelBlueGreenRedReserved8BitPerColor:
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Red = be32_to_cpu(0x0000ff00);
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Green = be32_to_cpu(0x00ff0000);
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break;
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case PixelBitMask:
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Red = Info.RedMask;
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Green = Info.GreenMask;
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break;
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case PixelBltOnly:
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return;
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default:
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Print(L"Invalid pixel format\n");
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return;
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}
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for (y = 0; y < Height; y++) {
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color = ((y / 32) % 2 == 0) ? Red : Green;
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for (x = 0; x < Width; x++) {
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if (x % 32 == 0 && x != 0)
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color = (color == Red) ? Green : Red;
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PixelBuffer[y * Pitch + x] = color;
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}
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}
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}
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static void
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draw_boxes(EFI_GRAPHICS_OUTPUT_PROTOCOL *gop)
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{
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int i, imax;
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EFI_STATUS rc;
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EFI_GRAPHICS_OUTPUT_MODE_INFORMATION *info;
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UINTN NumPixels;
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UINT32 *PixelBuffer;
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UINT32 CopySize, BufferSize;
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#if defined(__x86_64__) || defined(__aarch64__)
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UINT64 FrameBufferAddr;
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#elif defined(__i386__) || defined(__arm__)
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UINT32 FrameBufferAddr;
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#else
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#error YOUR ARCH HERE
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#endif
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if (gop->Mode) {
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imax = gop->Mode->MaxMode;
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} else {
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Print(L"gop->Mode is NULL\n");
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return;
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}
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for (i = 0; i < imax; i++) {
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UINTN SizeOfInfo;
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rc = uefi_call_wrapper(gop->QueryMode, 4, gop, i, &SizeOfInfo,
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&info);
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if (EFI_ERROR(rc) && rc == EFI_NOT_STARTED) {
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Print(L"gop->QueryMode() returned %r\n", rc);
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Print(L"Trying to start GOP with SetMode().\n");
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rc = uefi_call_wrapper(gop->SetMode, 2, gop,
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gop->Mode ? gop->Mode->Mode : 0);
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rc = uefi_call_wrapper(gop->QueryMode, 4, gop, i,
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&SizeOfInfo, &info);
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}
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if (EFI_ERROR(rc)) {
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Print(L"%d: Bad response from QueryMode: %r (%d)\n",
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i, rc, rc);
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continue;
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}
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if (CompareMem(info, gop->Mode->Info, sizeof (*info)))
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continue;
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NumPixels = info->VerticalResolution * info->PixelsPerScanLine;
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BufferSize = NumPixels * sizeof(UINT32);
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if (BufferSize == gop->Mode->FrameBufferSize) {
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CopySize = BufferSize;
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} else {
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CopySize = BufferSize < gop->Mode->FrameBufferSize ?
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BufferSize : gop->Mode->FrameBufferSize;
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Print(L"height * pitch * pixelsize = %lu buf fb size is %lu; using %lu\n",
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BufferSize, gop->Mode->FrameBufferSize, CopySize);
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}
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PixelBuffer = AllocatePool(BufferSize);
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if (!PixelBuffer) {
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Print(L"Allocation of 0x%08lx bytes failed.\n",
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sizeof(UINT32) * NumPixels);
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return;
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}
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fill_boxes(PixelBuffer, info->HorizontalResolution,
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info->VerticalResolution, info->PixelsPerScanLine,
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info->PixelFormat, info->PixelInformation);
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if (info->PixelFormat == PixelBltOnly) {
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Print(L"No linear framebuffer on this device.\n");
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return;
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}
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#if defined(__x86_64__) || defined(__aarch64__)
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FrameBufferAddr = (UINT64)gop->Mode->FrameBufferBase;
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#elif defined(__i386__) || defined(__arm__)
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FrameBufferAddr = (UINT32)(UINT64)gop->Mode->FrameBufferBase;
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#else
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#error YOUR ARCH HERE
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#endif
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CopyMem((VOID *)FrameBufferAddr, PixelBuffer, CopySize);
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return;
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}
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Print(L"Never found the active video mode?\n");
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}
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static EFI_STATUS
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SetWatchdog(UINTN seconds)
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{
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EFI_STATUS rc;
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rc = uefi_call_wrapper(BS->SetWatchdogTimer, 4, seconds, 0x1ffff,
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0, NULL);
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if (EFI_ERROR(rc)) {
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CHAR16 Buffer[64];
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StatusToString(Buffer, rc);
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Print(L"Bad response from QueryMode: %s (%d)\n", Buffer, rc);
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}
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return rc;
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}
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EFI_STATUS
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efi_main (EFI_HANDLE image_handle, EFI_SYSTEM_TABLE *systab)
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{
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EFI_STATUS rc;
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EFI_GRAPHICS_OUTPUT_PROTOCOL *gop;
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InitializeLib(image_handle, systab);
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SetWatchdog(10);
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rc = LibLocateProtocol(&GraphicsOutputProtocol, (void **)&gop);
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if (EFI_ERROR(rc)) {
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Print(L"Could not locate GOP: %r\n", rc);
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return rc;
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}
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if (!gop) {
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Print(L"LocateProtocol(GOP, &gop) returned %r but GOP is NULL\n", rc);
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return EFI_UNSUPPORTED;
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}
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draw_boxes(gop);
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SetWatchdog(0);
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return EFI_SUCCESS;
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}
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@ -3,57 +3,44 @@
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extern EFI_GUID GraphicsOutputProtocol;
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static int memcmp(const void *s1, const void *s2, UINTN n)
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{
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const unsigned char *c1 = s1, *c2 = s2;
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int d = 0;
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if (!s1 && !s2)
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return 0;
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if (s1 && !s2)
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return 1;
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if (!s1 && s2)
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return -1;
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while (n--) {
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d = (int)*c1++ - (int)*c2++;
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if (d)
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break;
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}
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return d;
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}
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static void
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print_modes(EFI_GRAPHICS_OUTPUT_PROTOCOL *gop)
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{
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int i, imax;
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EFI_STATUS rc;
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if (gop->Mode) {
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imax = gop->Mode->MaxMode;
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Print(L"GOP reports MaxMode %d\n", imax);
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} else {
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Print(L"gop->Mode is NULL\n");
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imax = 1;
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}
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for (i = 0; i < imax; i++) {
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EFI_GRAPHICS_OUTPUT_MODE_INFORMATION *info;
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UINTN SizeOfInfo;
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rc = uefi_call_wrapper(gop->QueryMode, 4, gop, i, &SizeOfInfo,
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&info);
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if (EFI_ERROR(rc) && rc == EFI_NOT_STARTED) {
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Print(L"gop->QueryMode() returned %r\n", rc);
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Print(L"Trying to start GOP with SetMode().\n");
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rc = uefi_call_wrapper(gop->SetMode, 2, gop,
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gop->Mode->Mode);
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gop->Mode ? gop->Mode->Mode : 0);
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rc = uefi_call_wrapper(gop->QueryMode, 4, gop, i,
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&SizeOfInfo, &info);
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}
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if (EFI_ERROR(rc)) {
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CHAR16 Buffer[64];
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StatusToString(Buffer, rc);
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Print(L"%d: Bad response from QueryMode: %s (%d)\n",
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i, Buffer, rc);
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Print(L"%d: Bad response from QueryMode: %r (%d)\n",
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i, rc, rc);
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continue;
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}
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Print(L"%c%d: %dx%d ", memcmp(info,gop->Mode->Info,sizeof(*info)) == 0 ? '*' : ' ', i,
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info->HorizontalResolution,
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info->VerticalResolution);
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Print(L"%c%d: %dx%d ",
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(gop->Mode &&
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CompareMem(info,gop->Mode->Info,sizeof(*info)) == 0
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) ? '*' : ' ',
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i, info->HorizontalResolution, info->VerticalResolution);
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switch(info->PixelFormat) {
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case PixelRedGreenBlueReserved8BitPerColor:
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Print(L"RGBR");
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@ -104,8 +91,15 @@ efi_main (EFI_HANDLE image_handle, EFI_SYSTEM_TABLE *systab)
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SetWatchdog(10);
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rc = LibLocateProtocol(&GraphicsOutputProtocol, (void **)&gop);
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if (EFI_ERROR(rc))
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if (EFI_ERROR(rc)) {
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Print(L"Could not locate GOP: %r\n", rc);
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return rc;
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}
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if (!gop) {
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Print(L"LocateProtocol(GOP, &gop) returned %r but GOP is NULL\n", rc);
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return EFI_UNSUPPORTED;
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}
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print_modes(gop);
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Block a user