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eficonfig: menu-driven addition of UEFI boot option

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This commit add the "eficonfig" command.
The "eficonfig" command implements the menu-driven UEFI boot option
maintenance feature. This commit implements the addition of
new boot option. User can select the block device volume having
efi_simple_file_system_protocol and select the file corresponding
to the Boot#### variable. User can also enter the description and
optional_data of the BOOT#### variable in utf8.

This commit adds "include/efi_config.h", it contains the common
definition to be used from other menus such as UEFI Secure Boot
key management.

Signed-off-by: Masahisa Kojima <masahisa.kojima@linaro.org>
This commit is contained in:
Masahisa Kojima 2022-09-12 17:33:50 +09:00 • committed by Heinrich Schuchardt
parent c2238fcf0c
commit 87d791423a
10 changed files with 1952 additions and 47 deletions
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52
lib/efi_loader/efi_boottime.c
View file

@ -2453,6 +2453,35 @@ static efi_status_t EFIAPI efi_protocols_per_handle(
return EFI_EXIT(EFI_SUCCESS);
}
efi_status_t efi_locate_handle_buffer_int(enum efi_locate_search_type search_type,
const efi_guid_t *protocol, void *search_key,
efi_uintn_t *no_handles, efi_handle_t **buffer)
{
efi_status_t r;
efi_uintn_t buffer_size = 0;
if (!no_handles || !buffer) {
r = EFI_INVALID_PARAMETER;
goto out;
}
*no_handles = 0;
*buffer = NULL;
r = efi_locate_handle(search_type, protocol, search_key, &buffer_size,
*buffer);
if (r != EFI_BUFFER_TOO_SMALL)
goto out;
r = efi_allocate_pool(EFI_BOOT_SERVICES_DATA, buffer_size,
(void **)buffer);
if (r != EFI_SUCCESS)
goto out;
r = efi_locate_handle(search_type, protocol, search_key, &buffer_size,
*buffer);
if (r == EFI_SUCCESS)
*no_handles = buffer_size / sizeof(efi_handle_t);
out:
return r;
}
/**
* efi_locate_handle_buffer() - locate handles implementing a protocol
* @search_type: selection criterion
@ -2474,30 +2503,13 @@ efi_status_t EFIAPI efi_locate_handle_buffer(
efi_uintn_t *no_handles, efi_handle_t **buffer)
{
efi_status_t r;
efi_uintn_t buffer_size = 0;
EFI_ENTRY("%d, %pUs, %p, %p, %p", search_type, protocol, search_key,
no_handles, buffer);
if (!no_handles || !buffer) {
r = EFI_INVALID_PARAMETER;
goto out;
}
*no_handles = 0;
*buffer = NULL;
r = efi_locate_handle(search_type, protocol, search_key, &buffer_size,
*buffer);
if (r != EFI_BUFFER_TOO_SMALL)
goto out;
r = efi_allocate_pool(EFI_BOOT_SERVICES_DATA, buffer_size,
(void **)buffer);
if (r != EFI_SUCCESS)
goto out;
r = efi_locate_handle(search_type, protocol, search_key, &buffer_size,
*buffer);
if (r == EFI_SUCCESS)
*no_handles = buffer_size / sizeof(efi_handle_t);
out:
r = efi_locate_handle_buffer_int(search_type, protocol, search_key,
no_handles, buffer);
return EFI_EXIT(r);
}