diff options
author | AKASHI Takahiro | 2022-04-19 10:05:11 +0900 |
---|---|---|
committer | Heinrich Schuchardt | 2022-04-23 22:05:41 +0200 |
commit | a57ad20d07e82f9ddbbdf981c8f8dd5368b225e4 (patch) | |
tree | 3f7b37f9548c0b94b31bb9fb5eee3433caf435c9 /include/efi_loader.h | |
parent | bf76031d19fa82041ae5ddc17214ec71858b0097 (diff) |
efi_loader: split efi_init_obj_list() into two stages
In the next commit, CONFIG_EFI_SETUP_EARLY will become mandated
in order to support dynamic enumeration of efi_disk objects.
This can, however, be problematic particularly in case of file-based
variable storage (efi_variable.c, default).
Non-volatile variables are to be restored from EFI system partition
by efi_init_variables() in efi_init_obj_list(). When efi_init_obj_list()
is called in board_init_r(), we don't know yet what disk devices
we have since none of device probing commands (say, scsi rescan) has not
been executed at that stage.
So in this commit, a preparatory change is made; efi_init_obj_list() is
broken into the two functions;
* efi_init_early(), and
* new efi_init_obj_list()
Only efi_init_early() will be called in board_init_r(), which allows
us to execute any of device probing commands, either though "preboot"
variable or normal command line, before calling efi_init_obj_list() which
is to be invoked at the first execution of an efi-related command
(or at efi_launch_capsules()) as used to be.
Signed-off-by: AKASHI Takahiro <takahiro.akashi@linaro.org>
Diffstat (limited to 'include/efi_loader.h')
-rw-r--r-- | include/efi_loader.h | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/include/efi_loader.h b/include/efi_loader.h index c52ea59ec7a..5bb8fb2acd0 100644 --- a/include/efi_loader.h +++ b/include/efi_loader.h @@ -493,6 +493,8 @@ struct efi_register_notify_event { /* List of all events registered by RegisterProtocolNotify() */ extern struct list_head efi_register_notify_events; +/* called at pre-initialization */ +int efi_init_early(void); /* Initialize efi execution environment */ efi_status_t efi_init_obj_list(void); /* Install device tree */ |