diff options
| author | Heinrich Schuchardt <xypron.glpk@gmx.de> | 2020-07-14 21:25:28 +0200 |
|---|---|---|
| committer | Heinrich Schuchardt <xypron.glpk@gmx.de> | 2020-07-16 12:37:02 +0200 |
| commit | 7dda16343d2577a52116148540ad7d17c6f19e55 (patch) | |
| tree | 550e764fb23579aec71b523608fdd5f1d95507e4 /include | |
| parent | 99bfab8b5832273d66d724f906be43fe5bd7c1ba (diff) | |
efi_loader: pre-seed UEFI variables
Include a file with the initial values for non-volatile UEFI variables
into the U-Boot binary. If this variable is set, changes to variable PK
will not be allowed.
Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
Diffstat (limited to 'include')
| -rw-r--r-- | include/asm-generic/sections.h | 2 | ||||
| -rw-r--r-- | include/efi_variable.h | 8 |
2 files changed, 10 insertions, 0 deletions
diff --git a/include/asm-generic/sections.h b/include/asm-generic/sections.h index 17a31ec788..0577238d60 100644 --- a/include/asm-generic/sections.h +++ b/include/asm-generic/sections.h @@ -25,6 +25,8 @@ extern char __initdata_begin[], __initdata_end[]; extern char __start_rodata[], __end_rodata[]; extern char __efi_helloworld_begin[]; extern char __efi_helloworld_end[]; +extern char __efi_var_file_begin[]; +extern char __efi_var_file_end[]; /* Start and end of .ctors section - used for constructor calls. */ extern char __ctors_start[], __ctors_end[]; diff --git a/include/efi_variable.h b/include/efi_variable.h index 021a74f309..17f25ad7a4 100644 --- a/include/efi_variable.h +++ b/include/efi_variable.h @@ -139,6 +139,14 @@ struct efi_var_file { efi_status_t efi_var_to_file(void); /** + * efi_var_restore() - restore EFI variables from buffer + * + * @buf: buffer + * Return: status code + */ +efi_status_t efi_var_restore(struct efi_var_file *buf); + +/** * efi_var_from_file() - read variables from file * * File ubootefi.var is read from the EFI system partitions and the variables |