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4a3155de3d
As variable services are available at runtime we have to expect EFI_SUCCESS when calling the services. Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
94 lines
2.3 KiB
C
94 lines
2.3 KiB
C
// SPDX-License-Identifier: GPL-2.0+
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/*
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* efi_selftest_variables_runtime
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*
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* Copyright (c) 2019 Heinrich Schuchardt <xypron.glpk@gmx.de>
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*
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* This unit test checks the runtime services for variables after
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* ExitBootServices():
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* GetVariable, GetNextVariableName, SetVariable, QueryVariableInfo.
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*/
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#include <efi_selftest.h>
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#define EFI_ST_MAX_DATA_SIZE 16
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#define EFI_ST_MAX_VARNAME_SIZE 40
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static struct efi_boot_services *boottime;
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static struct efi_runtime_services *runtime;
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static const efi_guid_t guid_vendor0 = EFI_GLOBAL_VARIABLE_GUID;
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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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*/
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static int setup(const efi_handle_t img_handle,
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const struct efi_system_table *systable)
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{
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boottime = systable->boottime;
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runtime = systable->runtime;
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return EFI_ST_SUCCESS;
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}
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/**
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* execute() - execute unit test
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*
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* As runtime support is not implmented expect EFI_UNSUPPORTED to be returned.
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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_uintn_t len;
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u32 attr;
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u8 v[16] = {0x5d, 0xd1, 0x5e, 0x51, 0x5a, 0x05, 0xc7, 0x0c,
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0x35, 0x4a, 0xae, 0x87, 0xa5, 0xdf, 0x0f, 0x65,};
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u8 data[EFI_ST_MAX_DATA_SIZE];
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u16 varname[EFI_ST_MAX_VARNAME_SIZE];
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efi_guid_t guid;
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u64 max_storage, rem_storage, max_size;
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ret = runtime->query_variable_info(EFI_VARIABLE_BOOTSERVICE_ACCESS,
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&max_storage, &rem_storage,
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&max_size);
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if (ret != EFI_UNSUPPORTED) {
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efi_st_error("QueryVariableInfo failed\n");
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return EFI_ST_FAILURE;
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}
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ret = runtime->set_variable(L"efi_st_var0", &guid_vendor0,
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EFI_VARIABLE_BOOTSERVICE_ACCESS |
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EFI_VARIABLE_RUNTIME_ACCESS,
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3, v + 4);
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if (ret != EFI_UNSUPPORTED) {
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efi_st_error("SetVariable failed\n");
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return EFI_ST_FAILURE;
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}
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len = EFI_ST_MAX_DATA_SIZE;
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ret = runtime->get_variable(L"PlatformLangCodes", &guid_vendor0,
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&attr, &len, data);
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if (ret != EFI_SUCCESS) {
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efi_st_error("GetVariable failed\n");
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return EFI_ST_FAILURE;
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}
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memset(&guid, 0, 16);
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*varname = 0;
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len = 2 * EFI_ST_MAX_VARNAME_SIZE;
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ret = runtime->get_next_variable_name(&len, varname, &guid);
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if (ret != EFI_SUCCESS) {
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efi_st_error("GetNextVariableName failed\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(variables_run) = {
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.name = "variables at runtime",
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.phase = EFI_SETUP_BEFORE_BOOTTIME_EXIT,
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.setup = setup,
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.execute = execute,
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};
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