gnu-efi/gnu-efi-3.0e-modelist.patch
2011-04-14 13:45:45 -04:00

122 lines
3.1 KiB
Diff

From b9bc87d00d55891a443c8a276842abdcd6df9482 Mon Sep 17 00:00:00 2001
From: Peter Jones <pjones@redhat.com>
Date: Fri, 10 Sep 2010 16:04:38 -0400
Subject: [PATCH] Add "modelist" test app.
This lists video modes the GOP driver is showing us.
---
apps/Makefile | 2 +-
apps/modelist.c | 87 +++++++++++++++++++++++++++++++++++++++++++++++++++++++
2 files changed, 88 insertions(+), 1 deletions(-)
create mode 100644 apps/modelist.c
diff --git a/apps/Makefile b/apps/Makefile
index c063d9a..0919bf3 100644
--- a/apps/Makefile
+++ b/apps/Makefile
@@ -45,7 +45,7 @@ LDFLAGS += -T $(LDSCRIPT) -shared -Bsymbolic -L../lib -L../gnuefi $(CRTOBJS)
LOADLIBES = -lefi -lgnuefi $(shell $(CC) $(ARCH3264) -print-libgcc-file-name)
FORMAT = efi-app-$(ARCH)
-TARGETS = t.efi t2.efi t3.efi t4.efi t5.efi t6.efi printenv.efi t7.efi route80h.efi
+TARGETS = t.efi t2.efi t3.efi t4.efi t5.efi t6.efi printenv.efi t7.efi route80h.efi modelist.efi
all: $(TARGETS)
diff --git a/apps/modelist.c b/apps/modelist.c
new file mode 100644
index 0000000..c4a4b1a
--- /dev/null
+++ b/apps/modelist.c
@@ -0,0 +1,87 @@
+#include <efi.h>
+#include <efilib.h>
+
+extern EFI_GUID GraphicsOutputProtocol;
+
+static void
+print_modes(EFI_GRAPHICS_OUTPUT_PROTOCOL *gop)
+{
+ int i, imax;
+ EFI_STATUS rc;
+
+ imax = gop->Mode->MaxMode;
+
+ Print(L"GOP reports MaxMode %d\n", imax);
+ for (i = 0; i < imax; i++) {
+ EFI_GRAPHICS_OUTPUT_MODE_INFORMATION *info;
+ UINTN SizeOfInfo;
+ rc = uefi_call_wrapper(gop->QueryMode, 4, gop, i, &SizeOfInfo,
+ &info);
+ if (EFI_ERROR(rc)) {
+ CHAR16 Buffer[64];
+ StatusToString(Buffer, rc);
+ Print(L"%d: Bad response from QueryMode: %s (%d)\n",
+ i, Buffer, rc);
+ continue;
+ }
+ Print(L"%c%d: %dx%d ", memcmp(info,gop->Mode->Info,sizeof(*info)) == 0 ? '*' : ' ', i,
+ info->HorizontalResolution,
+ info->VerticalResolution);
+ switch(info->PixelFormat) {
+ case PixelRedGreenBlueReserved8BitPerColor:
+ Print(L"RGBR");
+ break;
+ case PixelBlueGreenRedReserved8BitPerColor:
+ Print(L"BGRR");
+ break;
+ case PixelBitMask:
+ Print(L"R:%08x G:%08x B:%08x X:%08x",
+ info->PixelInformation.RedMask,
+ info->PixelInformation.GreenMask,
+ info->PixelInformation.BlueMask,
+ info->PixelInformation.ReservedMask);
+ break;
+ case PixelBltOnly:
+ Print(L"(blt only)");
+ break;
+ default:
+ Print(L"(Invalid pixel format)");
+ break;
+ }
+ Print(L" pitch %d\n", info->PixelsPerScanLine);
+ }
+}
+
+static EFI_STATUS
+SetWatchdog(UINTN seconds)
+{
+ EFI_STATUS rc;
+ rc = uefi_call_wrapper(BS->SetWatchdogTimer, 4, seconds, 0x1ffff,
+ 0, NULL);
+ if (EFI_ERROR(rc)) {
+ CHAR16 Buffer[64];
+ StatusToString(Buffer, rc);
+ Print(L"Bad response from QueryMode: %s (%d)\n", Buffer, rc);
+ }
+ return rc;
+}
+
+EFI_STATUS
+efi_main (EFI_HANDLE image_handle, EFI_SYSTEM_TABLE *systab)
+{
+ EFI_STATUS rc;
+ EFI_GRAPHICS_OUTPUT_PROTOCOL *gop;
+
+ InitializeLib(image_handle, systab);
+
+ SetWatchdog(10);
+
+ rc = LibLocateProtocol(&GraphicsOutputProtocol, (void **)&gop);
+ if (EFI_ERROR(rc))
+ return rc;
+
+ print_modes(gop);
+
+ SetWatchdog(0);
+ return EFI_SUCCESS;
+}
--
1.7.2.2