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efi_loader: use efi_start_image() for bootefi

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Remove the duplicate code in efi_do_enter() and use efi_start_image() to
start the image invoked by the bootefi command.

Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
This commit is contained in:
Heinrich Schuchardt 2018-12-26 13:28:09 +01:00
parent 8f7e2b2980
commit f69d63fae2
3 changed files with 8 additions and 24 deletions
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22
cmd/bootefi.c
View File

@ -133,20 +133,6 @@ done:
return ret;
}
static efi_status_t efi_do_enter(
efi_handle_t image_handle, struct efi_system_table *st,
EFIAPI efi_status_t (*entry)(
efi_handle_t image_handle,
struct efi_system_table *st))
{
efi_status_t ret = EFI_LOAD_ERROR;
if (entry)
ret = entry(image_handle, st);
st->boottime->exit(image_handle, ret, 0, NULL);
return ret;
}
/*
* efi_carve_out_dt_rsv() - Carve out DT reserved memory ranges
*
@ -315,13 +301,7 @@ static efi_status_t do_bootefi_exec(void *efi,
/* Call our payload! */
debug("%s: Jumping to 0x%p\n", __func__, image_obj->entry);
if (setjmp(&image_obj->exit_jmp)) {
ret = image_obj->exit_status;
goto err_prepare;
}
ret = efi_do_enter(&image_obj->header, &systab, image_obj->entry);
ret = EFI_CALL(efi_start_image(&image_obj->header, NULL, NULL));
err_prepare:
/* image has returned, loaded-image obj goes *poof*: */

4
include/efi_loader.h
View File

@ -320,6 +320,10 @@ efi_status_t efi_create_handle(efi_handle_t *handle);
void efi_delete_handle(efi_handle_t obj);
/* Call this to validate a handle and find the EFI object for it */
struct efi_object *efi_search_obj(const efi_handle_t handle);
/* Start image */
efi_status_t EFIAPI efi_start_image(efi_handle_t image_handle,
efi_uintn_t *exit_data_size,
u16 **exit_data);
/* Find a protocol on a handle */
efi_status_t efi_search_protocol(const efi_handle_t handle,
const efi_guid_t *protocol_guid,

6
lib/efi_loader/efi_boottime.c
View File

@ -1772,9 +1772,9 @@ error:
*
* Return: status code
*/
static efi_status_t EFIAPI efi_start_image(efi_handle_t image_handle,
efi_uintn_t *exit_data_size,
u16 **exit_data)
efi_status_t EFIAPI efi_start_image(efi_handle_t image_handle,
efi_uintn_t *exit_data_size,
u16 **exit_data)
{
struct efi_loaded_image_obj *image_obj =
(struct efi_loaded_image_obj *)image_handle;