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![AKASHI Takahiro](/assets/img/avatar_default.png)
The error here should be marked *todo*. Signed-off-by: AKASHI Takahiro <takahiro.akashi@linaro.org> Reviewed-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
198 lines
5.3 KiB
C
198 lines
5.3 KiB
C
// SPDX-License-Identifier: GPL-2.0+
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/*
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* efi_selftest_variables
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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 unit test checks the runtime services for variables:
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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 =
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EFI_GUID(0x67029eb5, 0x0af2, 0xf6b1,
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0xda, 0x53, 0xfc, 0xb5, 0x66, 0xdd, 0x1c, 0xe6);
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static const efi_guid_t guid_vendor1 =
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EFI_GUID(0xff629290, 0x1fc1, 0xd73f,
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0x8f, 0xb1, 0x32, 0xf9, 0x0c, 0xa0, 0x42, 0xea);
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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 unit test.
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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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int flag;
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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_SUCCESS) {
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efi_st_todo("QueryVariableInfo failed\n");
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} else if (!max_storage || !rem_storage || !max_size) {
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efi_st_error("QueryVariableInfo: wrong info\n");
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return EFI_ST_FAILURE;
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}
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/* Set variable 0 */
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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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3, v + 4);
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if (ret != EFI_SUCCESS) {
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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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data[3] = 0xff;
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len = 3;
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ret = runtime->get_variable(L"efi_st_var0", &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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if (memcmp(data, v + 4, 3)) {
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efi_st_error("GetVariable returned wrong value\n");
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return EFI_ST_FAILURE;
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}
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if (data[3] != 0xff) {
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efi_st_error("GetVariable wrote past the end of the buffer\n");
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return EFI_ST_FAILURE;
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}
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/* Set variable 1 */
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ret = runtime->set_variable(L"efi_st_var1", &guid_vendor1,
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EFI_VARIABLE_BOOTSERVICE_ACCESS,
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8, v);
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if (ret != EFI_SUCCESS) {
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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"efi_st_var1", &guid_vendor1,
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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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if (len != 8) {
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efi_st_error("GetVariable returned wrong length %u\n",
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(unsigned int)len);
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return EFI_ST_FAILURE;
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}
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if (memcmp(data, v, 8)) {
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efi_st_error("GetVariable returned wrong value\n");
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return EFI_ST_FAILURE;
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}
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/* Append variable 1 */
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ret = runtime->set_variable(L"efi_st_var1", &guid_vendor1,
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EFI_VARIABLE_BOOTSERVICE_ACCESS |
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EFI_VARIABLE_APPEND_WRITE,
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7, v + 8);
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if (ret != EFI_SUCCESS) {
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efi_st_todo("SetVariable(APPEND_WRITE) failed\n");
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} else {
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len = EFI_ST_MAX_DATA_SIZE;
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ret = runtime->get_variable(L"efi_st_var1", &guid_vendor1,
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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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if (len != 15)
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efi_st_todo("GetVariable returned wrong length %u\n",
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(unsigned int)len);
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if (memcmp(data, v, len))
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efi_st_todo("GetVariable returned wrong value\n");
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}
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/* Enumerate variables */
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boottime->set_mem(&guid, 16, 0);
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*varname = 0;
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flag = 0;
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for (;;) {
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len = 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_NOT_FOUND)
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break;
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if (ret != EFI_SUCCESS) {
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efi_st_error("GetNextVariableName failed (%u)\n",
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(unsigned int)ret);
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return EFI_ST_FAILURE;
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}
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if (!memcmp(&guid, &guid_vendor0, sizeof(efi_guid_t)) &&
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!efi_st_strcmp_16_8(varname, "efi_st_var0"))
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flag |= 1;
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if (!memcmp(&guid, &guid_vendor1, sizeof(efi_guid_t)) &&
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!efi_st_strcmp_16_8(varname, "efi_st_var1"))
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flag |= 2;
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}
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if (flag != 3) {
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efi_st_error(
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"GetNextVariableName did not return all variables\n");
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return EFI_ST_FAILURE;
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}
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/* Delete variable 1 */
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ret = runtime->set_variable(L"efi_st_var1", &guid_vendor1,
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0, 0, NULL);
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if (ret != EFI_SUCCESS) {
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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"efi_st_var1", &guid_vendor1,
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&attr, &len, data);
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if (ret != EFI_NOT_FOUND) {
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efi_st_error("Variable was not deleted\n");
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return EFI_ST_FAILURE;
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}
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/* Delete variable 0 */
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ret = runtime->set_variable(L"efi_st_var0", &guid_vendor0,
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0, 0, NULL);
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if (ret != EFI_SUCCESS) {
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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"efi_st_var0", &guid_vendor0,
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&attr, &len, data);
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if (ret != EFI_NOT_FOUND) {
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efi_st_error("Variable was not deleted\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) = {
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.name = "variables",
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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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