122 lines
3.1 KiB
Diff
122 lines
3.1 KiB
Diff
From d29825db356c7ea240e62404c5d3422c01c18bd4 Mon Sep 17 00:00:00 2001
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From: Peter Jones <pjones@redhat.com>
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Date: Fri, 10 Sep 2010 16:04:38 -0400
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Subject: [PATCH 3/7] Add "modelist" test app.
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This lists video modes the GOP driver is showing us.
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---
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apps/Makefile | 2 +-
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apps/modelist.c | 87 +++++++++++++++++++++++++++++++++++++++++++++++++++++++
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2 files changed, 88 insertions(+), 1 deletion(-)
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create mode 100644 apps/modelist.c
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diff --git a/apps/Makefile b/apps/Makefile
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index 6bda7ea..45bc4ac 100644
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--- a/apps/Makefile
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+++ b/apps/Makefile
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@@ -58,7 +58,7 @@ LDFLAGS += -T $(LDSCRIPT) -shared -Bsymbolic -L../lib -L../gnuefi $(CRTOBJS)
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LOADLIBES = -lefi -lgnuefi $(shell $(CC) $(ARCH3264) -print-libgcc-file-name)
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FORMAT = efi-app-$(ARCH)
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-TARGETS = t.efi t2.efi t3.efi t4.efi t5.efi t6.efi printenv.efi t7.efi tcc.efi route80h.efi
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+TARGETS = t.efi t2.efi t3.efi t4.efi t5.efi t6.efi printenv.efi t7.efi tcc.efi route80h.efi modelist.efi
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all: $(TARGETS)
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diff --git a/apps/modelist.c b/apps/modelist.c
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new file mode 100644
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index 0000000..c4a4b1a
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--- /dev/null
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+++ b/apps/modelist.c
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@@ -0,0 +1,87 @@
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+#include <efi.h>
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+#include <efilib.h>
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+
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+extern EFI_GUID GraphicsOutputProtocol;
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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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+
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+ imax = gop->Mode->MaxMode;
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+
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+ Print(L"GOP reports MaxMode %d\n", imax);
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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)) {
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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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+ 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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+ switch(info->PixelFormat) {
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+ case PixelRedGreenBlueReserved8BitPerColor:
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+ Print(L"RGBR");
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+ break;
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+ case PixelBlueGreenRedReserved8BitPerColor:
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+ Print(L"BGRR");
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+ break;
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+ case PixelBitMask:
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+ Print(L"R:%08x G:%08x B:%08x X:%08x",
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+ info->PixelInformation.RedMask,
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+ info->PixelInformation.GreenMask,
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+ info->PixelInformation.BlueMask,
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+ info->PixelInformation.ReservedMask);
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+ break;
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+ case PixelBltOnly:
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+ Print(L"(blt only)");
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+ break;
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+ default:
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+ Print(L"(Invalid pixel format)");
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+ break;
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+ }
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+ Print(L" pitch %d\n", info->PixelsPerScanLine);
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+ }
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+}
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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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+
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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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+
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+ InitializeLib(image_handle, systab);
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+
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+ SetWatchdog(10);
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+
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+ rc = LibLocateProtocol(&GraphicsOutputProtocol, (void **)&gop);
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+ if (EFI_ERROR(rc))
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+ return rc;
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+
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+ print_modes(gop);
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+
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+ SetWatchdog(0);
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+ return EFI_SUCCESS;
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+}
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--
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1.7.10.4
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