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From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
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From: Andrey Borzenkov <arvidjaar@gmail.com>
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Date: Wed, 25 Dec 2013 22:36:28 +0400
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Subject: [PATCH] fix EFI detection on Windows
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We are on legacy BIOS if GetFirmwareEnvironmentVariable fails (returns
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zero) *and* extended error information is ERROR_INVALID_FUNCTION.
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Cf. http://msdn.microsoft.com/en-us/library/windows/desktop/ms724325%28v=vs.85%29.aspx
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---
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grub-core/osdep/windows/platform.c | 2 +-
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ChangeLog | 5 +++++
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2 files changed, 6 insertions(+), 1 deletion(-)
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diff --git a/grub-core/osdep/windows/platform.c b/grub-core/osdep/windows/platform.c
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index f2b9d714329..d217efe1704 100644
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--- a/grub-core/osdep/windows/platform.c
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+++ b/grub-core/osdep/windows/platform.c
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@@ -100,7 +100,7 @@ get_platform (void)
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if (!func_GetFirmwareEnvironmentVariableW (L"BootOrder", GRUB_EFI_GLOBAL_VARIABLE_GUID_WINDOWS_STR,
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buffer, sizeof (buffer))
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- && GetLastError () != ERROR_INVALID_FUNCTION)
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+ && GetLastError () == ERROR_INVALID_FUNCTION)
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{
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platform = PLAT_BIOS;
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return;
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diff --git a/ChangeLog b/ChangeLog
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index 41bcebfb321..21ec1c77c57 100644
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--- a/ChangeLog
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+++ b/ChangeLog
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@@ -1,3 +1,8 @@
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+2013-12-25 Andrey Borzenkov <arvidjaar@gmail.com>
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+
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+ * grub-core/osdep/windows/platform.c (get_platform): Fix EFI
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+ detection.
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+
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2013-12-24 Vladimir Serbinenko <phcoder@gmail.com>
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* configure.ac: Set version to 2.02~beta2.
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