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efi_loader: unload applications upon Exit()

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Implement unloading of images in the Exit() boot services:

* unload images that are not yet started,
* unload started applications,
* unload drivers returning an error.

Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
This commit is contained in:
Heinrich Schuchardt 2019-05-01 20:07:04 +02:00
parent df116e81ea
commit 126a43f15b
3 changed files with 33 additions and 6 deletions
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2
lib/efi_loader/efi_image_loader.c
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@ -273,6 +273,7 @@ efi_status_t efi_load_pe(struct efi_loaded_image_obj *handle, void *efi,
IMAGE_OPTIONAL_HEADER64 *opt = &nt64->OptionalHeader;
image_base = opt->ImageBase;
efi_set_code_and_data_type(loaded_image_info, opt->Subsystem);
handle->image_type = opt->Subsystem;
efi_reloc = efi_alloc(virt_size,
loaded_image_info->image_code_type);
if (!efi_reloc) {
@ -288,6 +289,7 @@ efi_status_t efi_load_pe(struct efi_loaded_image_obj *handle, void *efi,
IMAGE_OPTIONAL_HEADER32 *opt = &nt->OptionalHeader;
image_base = opt->ImageBase;
efi_set_code_and_data_type(loaded_image_info, opt->Subsystem);
handle->image_type = opt->Subsystem;
efi_reloc = efi_alloc(virt_size,
loaded_image_info->image_code_type);
if (!efi_reloc) {