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efi_loader: make variable store size customizable

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Currently the size of the buffer to keep UEFI variables in memory is fixed
at 16384 bytes. This size has proven to be too small for some use cases.

Make the size of the memory buffer for UEFI variables customizable.

Reported-by: Paulo Alcantara (SUSE) <pc@cjr.nz>
Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
Acked-by: Ilias Apalodimas <ilias.apalodimas@linaro.org>
This commit is contained in:
Heinrich Schuchardt
2020-12-20 11:05:38 +01:00
parent 0c1b71cd07
commit 265ce19485
2 changed files with 15 additions and 1 deletions
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2
include/efi_variable.h
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@@ -91,7 +91,7 @@ efi_status_t efi_query_variable_info_int(u32 attributes,
#define EFI_VAR_FILE_NAME "ubootefi.var"
#define EFI_VAR_BUF_SIZE 0x4000
#define EFI_VAR_BUF_SIZE CONFIG_EFI_VAR_BUF_SIZE
/*
* This constant identifies the file format for storing UEFI variables in