path: root/lib/efi
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authorSimon Glass <>2015-07-31 09:31:35 -0600
committerSimon Glass <>2015-08-05 08:42:41 -0600
commit8f3b9694b217b7083fcbc44d7a28c16185c0c579 (patch)
tree817292fe32e6188f1402b829d7e9e62861dca108 /lib/efi
parent53292ad956329eb18de0604f369cd99dd2a2579f (diff)
x86: Allow use of global_data with EFI
On x86 the global_data pointer is provided through a somewhat-bizarre and x86-specific mechanism: the F segment register is set to a pointer to the start of global_data, so that accesses can use this build-in register. When running as an EFI application we don't want to mess with the Global Descriptor Table (GDT) and there is little advantage (in terms of code size) to doing so. Allow global_data to be a simple variable in this case. Signed-off-by: Simon Glass <> Reviewed-by: Bin Meng <>
Diffstat (limited to 'lib/efi')
0 files changed, 0 insertions, 0 deletions
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