Provide a unit test for InstallConfigurationTable(). A table is installed, updated, removed. The table entry and the triggering of events is checked. Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de> Signed-off-by: Alexander Graf <agraf@suse.de>lime2-spi
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// SPDX-License-Identifier: GPL-2.0+
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/*
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* efi_selftest_config_tables |
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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 following service: |
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* InstallConfigurationTable. |
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*/ |
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#include <efi_selftest.h> |
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static const struct efi_system_table *sys_table; |
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static struct efi_boot_services *boottime; |
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static efi_guid_t table_guid = |
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EFI_GUID(0xff1c3f9e, 0x795b, 0x1529, 0xf1, 0x55, |
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0x17, 0x2e, 0x51, 0x6b, 0x49, 0x75); |
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/*
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* Notification function, increments the notfication count if parameter |
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* context is provided. |
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* |
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* @event notified event |
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* @context pointer to the notification count |
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*/ |
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static void EFIAPI notify(struct efi_event *event, void *context) |
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{ |
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unsigned int *count = context; |
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if (count) |
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++*count; |
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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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sys_table = systable; |
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boottime = systable->boottime; |
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return EFI_ST_SUCCESS; |
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} |
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/*
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* Execute unit test. |
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* |
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* A table is installed, updated, removed. The table entry and the |
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* triggering of events is checked. |
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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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unsigned int counter = 0; |
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struct efi_event *event; |
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void *table; |
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const unsigned int tables[2]; |
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efi_uintn_t i; |
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efi_uintn_t tabcnt; |
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efi_uintn_t table_count = sys_table->nr_tables; |
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ret = boottime->create_event_ex(0, TPL_NOTIFY, |
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notify, (void *)&counter, |
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&table_guid, &event); |
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if (ret != EFI_SUCCESS) { |
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efi_st_error("Failed to create event\n"); |
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return EFI_ST_FAILURE; |
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} |
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/* Try to delete non-existent table */ |
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ret = boottime->install_configuration_table(&table_guid, NULL); |
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if (ret != EFI_NOT_FOUND) { |
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efi_st_error("Failed to detect missing table\n"); |
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return EFI_ST_FAILURE; |
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} |
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if (counter) { |
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efi_st_error("Notification function was called.\n"); |
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return EFI_ST_FAILURE; |
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} |
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/* Check if the event was signaled */ |
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ret = boottime->check_event(event); |
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if (ret == EFI_SUCCESS) { |
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efi_st_error("Event was signaled on EFI_NOT_FOUND\n"); |
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return EFI_ST_FAILURE; |
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} |
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if (counter != 1) { |
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efi_st_error("Notification function was not called.\n"); |
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return EFI_ST_FAILURE; |
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} |
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if (table_count != sys_table->nr_tables) { |
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efi_st_error("Incorrect table count %u, expected %u\n", |
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(unsigned int)sys_table->nr_tables, |
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(unsigned int)table_count); |
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return EFI_ST_FAILURE; |
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} |
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/* Install table */ |
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ret = boottime->install_configuration_table(&table_guid, |
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(void *)&tables[0]); |
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if (ret != EFI_SUCCESS) { |
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efi_st_error("Failed to install table\n"); |
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return EFI_ST_FAILURE; |
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} |
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/* Check signaled state */ |
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ret = boottime->check_event(event); |
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if (ret != EFI_SUCCESS) { |
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efi_st_error("Event was not signaled on insert\n"); |
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return EFI_ST_FAILURE; |
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} |
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if (++table_count != sys_table->nr_tables) { |
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efi_st_error("Incorrect table count %u, expected %u\n", |
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(unsigned int)sys_table->nr_tables, |
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(unsigned int)table_count); |
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return EFI_ST_FAILURE; |
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} |
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table = NULL; |
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for (i = 0; i < sys_table->nr_tables; ++i) { |
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if (!efi_st_memcmp(&sys_table->tables[i].guid, &table_guid, |
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sizeof(efi_guid_t))) |
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table = sys_table->tables[i].table; |
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} |
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if (!table) { |
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efi_st_error("Installed table not found\n"); |
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return EFI_ST_FAILURE; |
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} |
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if (table != &tables[0]) { |
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efi_st_error("Incorrect table address\n"); |
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return EFI_ST_FAILURE; |
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} |
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/* Update table */ |
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ret = boottime->install_configuration_table(&table_guid, |
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(void *)&tables[1]); |
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if (ret != EFI_SUCCESS) { |
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efi_st_error("Failed to update table\n"); |
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return EFI_ST_FAILURE; |
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} |
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/* Check signaled state */ |
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ret = boottime->check_event(event); |
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if (ret != EFI_SUCCESS) { |
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efi_st_error("Event was not signaled on update\n"); |
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return EFI_ST_FAILURE; |
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} |
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if (table_count != sys_table->nr_tables) { |
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efi_st_error("Incorrect table count %u, expected %u\n", |
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(unsigned int)sys_table->nr_tables, |
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(unsigned int)table_count); |
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return EFI_ST_FAILURE; |
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} |
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table = NULL; |
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tabcnt = 0; |
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for (i = 0; i < sys_table->nr_tables; ++i) { |
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if (!efi_st_memcmp(&sys_table->tables[i].guid, &table_guid, |
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sizeof(efi_guid_t))) { |
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table = sys_table->tables[i].table; |
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++tabcnt; |
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} |
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} |
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if (!table) { |
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efi_st_error("Installed table not found\n"); |
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return EFI_ST_FAILURE; |
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} |
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if (tabcnt > 1) { |
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efi_st_error("Duplicate table guid\n"); |
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return EFI_ST_FAILURE; |
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} |
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if (table != &tables[1]) { |
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efi_st_error("Incorrect table address\n"); |
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return EFI_ST_FAILURE; |
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} |
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/* Delete table */ |
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ret = boottime->install_configuration_table(&table_guid, NULL); |
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if (ret != EFI_SUCCESS) { |
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efi_st_error("Failed to delete table\n"); |
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return EFI_ST_FAILURE; |
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} |
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/* Check signaled state */ |
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ret = boottime->check_event(event); |
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if (ret != EFI_SUCCESS) { |
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efi_st_error("Event was not signaled on delete\n"); |
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return EFI_ST_FAILURE; |
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} |
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if (--table_count != sys_table->nr_tables) { |
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efi_st_error("Incorrect table count %u, expected %u\n", |
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(unsigned int)sys_table->nr_tables, |
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(unsigned int)table_count); |
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return EFI_ST_FAILURE; |
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} |
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table = NULL; |
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for (i = 0; i < sys_table->nr_tables; ++i) { |
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if (!efi_st_memcmp(&sys_table->tables[i].guid, &table_guid, |
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sizeof(efi_guid_t))) { |
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table = sys_table->tables[i].table; |
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} |
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} |
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if (table) { |
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efi_st_error("Wrong table deleted\n"); |
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return EFI_ST_FAILURE; |
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} |
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ret = boottime->close_event(event); |
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if (ret != EFI_SUCCESS) { |
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efi_st_error("Failed to close event\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(configtables) = { |
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.name = "configuration tables", |
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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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}; |
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