3dd719d4fb
Replace @return and @param. Signed-off-by: Heinrich Schuchardt <heinrich.schuchardt@canonical.com>
143 lines
3.3 KiB
C
143 lines
3.3 KiB
C
// SPDX-License-Identifier: GPL-2.0+
|
|
/*
|
|
* efi_selftest_crc32
|
|
*
|
|
* Copyright (c) 2018 Heinrich Schuchardt <xypron.glpk@gmx.de>
|
|
*
|
|
* This unit test checks the CalculateCrc32 bootservice and checks the
|
|
* headers of the system table, the boot services table, and the runtime
|
|
* services table before and after ExitBootServices().
|
|
*/
|
|
|
|
#include <efi_selftest.h>
|
|
#include <u-boot/crc.h>
|
|
|
|
const struct efi_system_table *st;
|
|
efi_status_t (EFIAPI *bs_crc32)(const void *data, efi_uintn_t data_size,
|
|
u32 *crc32);
|
|
|
|
static int check_table(const void *table)
|
|
{
|
|
efi_status_t ret;
|
|
u32 crc32, res;
|
|
/* Casting from constant to not constant */
|
|
struct efi_table_hdr *hdr = (struct efi_table_hdr *)table;
|
|
|
|
if (!hdr->signature) {
|
|
efi_st_error("Missing header signature\n");
|
|
return EFI_ST_FAILURE;
|
|
}
|
|
if (!hdr->revision) {
|
|
efi_st_error("Missing header revision\n");
|
|
return EFI_ST_FAILURE;
|
|
}
|
|
if (hdr->headersize <= sizeof(struct efi_table_hdr)) {
|
|
efi_st_error("Incorrect headersize value\n");
|
|
return EFI_ST_FAILURE;
|
|
}
|
|
if (hdr->reserved) {
|
|
efi_st_error("Reserved header field is not zero\n");
|
|
return EFI_ST_FAILURE;
|
|
}
|
|
|
|
crc32 = hdr->crc32;
|
|
/*
|
|
* Setting the crc32 of the 'const' table to zero is easier than
|
|
* copying
|
|
*/
|
|
hdr->crc32 = 0;
|
|
ret = bs_crc32(table, hdr->headersize, &res);
|
|
/* Reset table crc32 so it stays constant */
|
|
hdr->crc32 = crc32;
|
|
if (ret != EFI_ST_SUCCESS) {
|
|
efi_st_error("CalculateCrc32 failed\n");
|
|
return EFI_ST_FAILURE;
|
|
}
|
|
if (res != crc32) {
|
|
efi_st_error("Incorrect CRC32\n");
|
|
// return EFI_ST_FAILURE;
|
|
}
|
|
return EFI_ST_SUCCESS;
|
|
}
|
|
|
|
/*
|
|
* Setup unit test.
|
|
*
|
|
* Check that CalculateCrc32 is working correctly.
|
|
* Check tables before ExitBootServices().
|
|
*
|
|
* @handle: handle of the loaded image
|
|
* @systable: system table
|
|
* Return: EFI_ST_SUCCESS for success
|
|
*/
|
|
static int setup(const efi_handle_t handle,
|
|
const struct efi_system_table *systable)
|
|
{
|
|
efi_status_t ret;
|
|
u32 res;
|
|
|
|
st = systable;
|
|
bs_crc32 = systable->boottime->calculate_crc32;
|
|
|
|
/* Check that CalculateCrc32 is working */
|
|
ret = bs_crc32("U-Boot", 6, &res);
|
|
if (ret != EFI_ST_SUCCESS) {
|
|
efi_st_error("CalculateCrc32 failed\n");
|
|
return EFI_ST_FAILURE;
|
|
}
|
|
if (res != 0x134b0db4) {
|
|
efi_st_error("Incorrect CRC32\n");
|
|
return EFI_ST_FAILURE;
|
|
}
|
|
|
|
/* Check tables before ExitBootServices() */
|
|
if (check_table(st) != EFI_ST_SUCCESS) {
|
|
efi_st_error("Checking system table\n");
|
|
return EFI_ST_FAILURE;
|
|
}
|
|
if (check_table(st->boottime) != EFI_ST_SUCCESS) {
|
|
efi_st_error("Checking boottime table\n");
|
|
return EFI_ST_FAILURE;
|
|
}
|
|
if (check_table(st->runtime) != EFI_ST_SUCCESS) {
|
|
efi_st_error("Checking runtime table\n");
|
|
return EFI_ST_FAILURE;
|
|
}
|
|
|
|
return EFI_ST_SUCCESS;
|
|
}
|
|
|
|
/*
|
|
* Execute unit test
|
|
*
|
|
* Check tables after ExitBootServices()
|
|
*
|
|
* Return: EFI_ST_SUCCESS for success
|
|
*/
|
|
static int execute(void)
|
|
{
|
|
if (check_table(st) != EFI_ST_SUCCESS) {
|
|
efi_st_error("Checking system table\n");
|
|
return EFI_ST_FAILURE;
|
|
}
|
|
if (check_table(st->runtime) != EFI_ST_SUCCESS) {
|
|
efi_st_error("Checking runtime table\n");
|
|
return EFI_ST_FAILURE;
|
|
}
|
|
|
|
/*
|
|
* We cannot call SetVirtualAddressMap() and recheck the runtime
|
|
* table afterwards because this would invalidate the addresses of the
|
|
* unit tests.
|
|
*/
|
|
|
|
return EFI_ST_SUCCESS;
|
|
}
|
|
|
|
EFI_UNIT_TEST(crc32) = {
|
|
.name = "crc32",
|
|
.phase = EFI_SETUP_BEFORE_BOOTTIME_EXIT,
|
|
.setup = setup,
|
|
.execute = execute,
|
|
};
|