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fix EFI detection on Windows

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We are on legacy BIOS if GetFirmwareEnvironmentVariable fails (returns
zero) *and* extended error information is ERROR_INVALID_FUNCTION.

Cf. http://msdn.microsoft.com/en-us/library/windows/desktop/ms724325%28v=vs.85%29.aspx
This commit is contained in:
Andrey Borzenkov 2013-12-25 22:36:28 +04:00
parent e8f07821cc
commit a6e7719bbe
2 changed files with 6 additions and 1 deletions
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5
ChangeLog
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@ -1,3 +1,8 @@
2013-12-25 Andrey Borzenkov <arvidjaar@gmail.com>
* grub-core/osdep/windows/platform.c (get_platform): Fix EFI
detection.
2013-12-24 Vladimir Serbinenko <phcoder@gmail.com>
* configure.ac: Set version to 2.02~beta2.

2
grub-core/osdep/windows/platform.c
View file

@ -100,7 +100,7 @@ get_platform (void)
if (!func_GetFirmwareEnvironmentVariableW (L"BootOrder", GRUB_EFI_GLOBAL_VARIABLE_GUID_WINDOWS_STR,
buffer, sizeof (buffer))
&& GetLastError () != ERROR_INVALID_FUNCTION)
&& GetLastError () == ERROR_INVALID_FUNCTION)
{
platform = PLAT_BIOS;
return;