Handle uninitialized GOP driver gracefully.

This commit is contained in:
Peter Jones 2011-06-16 16:11:40 -04:00
parent be30689be7
commit 1d926607c6
2 changed files with 65 additions and 1 deletions

View File

@ -0,0 +1,57 @@
From c261b8de0504fd37af99c61cdda248f312124034 Mon Sep 17 00:00:00 2001
From: Peter Jones <pjones@redhat.com>
Date: Thu, 16 Jun 2011 16:10:27 -0400
Subject: [PATCH] Handle un-initialized GOP.
---
apps/modelist.c | 27 +++++++++++++++++++++++++++
1 files changed, 27 insertions(+), 0 deletions(-)
diff --git a/apps/modelist.c b/apps/modelist.c
index c4a4b1a..8d816d1 100644
--- a/apps/modelist.c
+++ b/apps/modelist.c
@@ -3,6 +3,26 @@
extern EFI_GUID GraphicsOutputProtocol;
+static int memcmp(const void *s1, const void *s2, UINTN n)
+{
+ const unsigned char *c1 = s1, *c2 = s2;
+ int d = 0;
+
+ if (!s1 && !s2)
+ return 0;
+ if (s1 && !s2)
+ return 1;
+ if (!s1 && s2)
+ return -1;
+
+ while (n--) {
+ d = (int)*c1++ - (int)*c2++;
+ if (d)
+ break;
+ }
+ return d;
+}
+
static void
print_modes(EFI_GRAPHICS_OUTPUT_PROTOCOL *gop)
{
@@ -17,6 +37,13 @@ print_modes(EFI_GRAPHICS_OUTPUT_PROTOCOL *gop)
UINTN SizeOfInfo;
rc = uefi_call_wrapper(gop->QueryMode, 4, gop, i, &SizeOfInfo,
&info);
+ if (EFI_ERROR(rc) && rc == EFI_NOT_STARTED) {
+ rc = uefi_call_wrapper(gop->SetMode, 2, gop,
+ gop->Mode->Mode);
+ rc = uefi_call_wrapper(gop->QueryMode, 4, gop, i,
+ &SizeOfInfo, &info);
+ }
+
if (EFI_ERROR(rc)) {
CHAR16 Buffer[64];
StatusToString(Buffer, rc);
--
1.7.4.4

View File

@ -1,7 +1,7 @@
Summary: Development Libraries and headers for EFI
Name: gnu-efi
Version: 3.0e
Release: 13%{?dist}
Release: 14%{?dist}
Group: Development/System
License: GPLv2+
URL: ftp://ftp.hpl.hp.com/pub/linux-ia64
@ -13,6 +13,10 @@ Patch3: gnu-efi-3.0e-add-uefi-2.x-boot-services.patch
Patch4: gnu-efi-3.0e-add-pciio.patch
Patch5: gnu-efi-3.0e-route80h.patch
Patch6: gnu-efi-3.0e-modelist.patch
Patch7: gnu-efi-3.0e-route80h-add-cougarpoint.patch
Patch8: gnu-efi-3.0e-machine-types.patch
Patch9: gnu-efi-3.0e-unwrap.patch
Patch10: gnu-efi-3.0e-handle-uninitialized-gop.patch
# "git am" doesn't like ms-dos formatted text-files.
#Patch7: gnu-efi-3.0e-add-pciio-2.patch
BuildRoot: %{_tmppath}/%{name}-%{version}-%{release}-root-%(%{__id_u} -n)
@ -64,6 +68,9 @@ rm -rf %{buildroot}
%attr(0644,root,root) /boot/efi/EFI/redhat/*.efi
%changelog
* Thu Jun 16 2011 Peter Jones <pjones@redhat.com> - 3.0e-14
- Handle uninitialized GOP driver gracefully.
* Wed Feb 09 2011 Fedora Release Engineering <rel-eng@lists.fedoraproject.org> - 3.0e-13
- Rebuilt for https://fedoraproject.org/wiki/Fedora_15_Mass_Rebuild