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Signed-off-by: Heinrich Schuchardt <heinrich.schuchardt@canonical.com>
161 lines
3.4 KiB
C
161 lines
3.4 KiB
C
// SPDX-License-Identifier: GPL-2.0+
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/*
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* efi_selftest_start_image
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*
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* Copyright (c) 2018 Heinrich Schuchardt <xypron.glpk@gmx.de>
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*
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* This test checks the StartImage boot service.
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* The efi_selftest_miniapp_exit.efi application is loaded into memory
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* and started.
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*/
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#include <efi_selftest.h>
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/* Include containing the miniapp.efi application */
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#include "efi_miniapp_file_image_exit.h"
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/* Block size of compressed disk image */
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#define COMPRESSED_DISK_IMAGE_BLOCK_SIZE 8
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/* Binary logarithm of the block size */
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#define LB_BLOCK_SIZE 9
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static efi_handle_t image_handle;
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static struct efi_boot_services *boottime;
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/* One 8 byte block of the compressed disk image */
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struct line {
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size_t addr;
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char *line;
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};
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/* Compressed file image */
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struct compressed_file_image {
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size_t length;
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struct line lines[];
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};
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static struct compressed_file_image img = EFI_ST_DISK_IMG;
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/* Decompressed file image */
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static u8 *image;
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/*
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* Decompress the disk image.
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*
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* @image decompressed disk image
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* Return: status code
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*/
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static efi_status_t decompress(u8 **image)
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{
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u8 *buf;
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size_t i;
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size_t addr;
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size_t len;
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efi_status_t ret;
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ret = boottime->allocate_pool(EFI_LOADER_DATA, img.length,
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(void **)&buf);
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if (ret != EFI_SUCCESS) {
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efi_st_error("Out of memory\n");
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return ret;
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}
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boottime->set_mem(buf, img.length, 0);
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for (i = 0; ; ++i) {
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if (!img.lines[i].line)
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break;
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addr = img.lines[i].addr;
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len = COMPRESSED_DISK_IMAGE_BLOCK_SIZE;
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if (addr + len > img.length)
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len = img.length - addr;
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boottime->copy_mem(buf + addr, img.lines[i].line, len);
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}
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*image = buf;
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return ret;
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}
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/*
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* Setup unit test.
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*
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* @handle: handle of the loaded image
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* @systable: system table
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* @return: EFI_ST_SUCCESS for success
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*/
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static int setup(const efi_handle_t handle,
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const struct efi_system_table *systable)
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{
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image_handle = handle;
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boottime = systable->boottime;
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/* Load the application image into memory */
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decompress(&image);
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return EFI_ST_SUCCESS;
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}
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/*
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* Tear down unit test.
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*
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* @return: EFI_ST_SUCCESS for success
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*/
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static int teardown(void)
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{
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efi_status_t r = EFI_ST_SUCCESS;
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if (image) {
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r = boottime->free_pool(image);
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if (r != EFI_SUCCESS) {
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efi_st_error("Failed to free image\n");
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return EFI_ST_FAILURE;
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}
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}
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return r;
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}
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/*
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* Execute unit test.
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*
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* Load and start the application image.
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*
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* @return: EFI_ST_SUCCESS for success
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*/
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static int execute(void)
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{
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efi_status_t ret;
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efi_handle_t handle;
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efi_uintn_t exit_data_size = 0;
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u16 *exit_data = NULL;
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u16 expected_text[] = EFI_ST_SUCCESS_STR;
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ret = boottime->load_image(false, image_handle, NULL, image,
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img.length, &handle);
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if (ret != EFI_SUCCESS) {
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efi_st_error("Failed to load image\n");
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return EFI_ST_FAILURE;
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}
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ret = boottime->start_image(handle, &exit_data_size, &exit_data);
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if (ret != EFI_UNSUPPORTED) {
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efi_st_error("Wrong return value from application\n");
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return EFI_ST_FAILURE;
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}
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if (!exit_data || exit_data_size != sizeof(expected_text) ||
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memcmp(exit_data, expected_text, sizeof(expected_text))) {
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efi_st_error("Incorrect exit data\n");
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return EFI_ST_FAILURE;
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}
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ret = boottime->free_pool(exit_data);
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if (ret != EFI_SUCCESS) {
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efi_st_error("Failed to free exit data\n");
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return EFI_ST_FAILURE;
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}
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return EFI_ST_SUCCESS;
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}
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EFI_UNIT_TEST(startimage_exit) = {
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.name = "start image exit",
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.phase = EFI_EXECUTE_BEFORE_BOOTTIME_EXIT,
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.setup = setup,
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.execute = execute,
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.teardown = teardown,
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};
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