u-boot/test/bloblist.c
Raymond Mao 1ef43f3bf2 bloblist: refactor of bloblist_reloc()
The current bloblist pointer and size can be retrieved from global
data, so we don't need to pass them from the function arguments.
This change also help to remove all external access of gd->bloblist
outside of bloblist module.

Signed-off-by: Raymond Mao <raymond.mao@linaro.org>
Reviewed-by: Ilias Apalodimas <ilias.apalodimas@linaro.org>
2024-02-29 09:24:22 -05:00

629 lines
18 KiB
C

// SPDX-License-Identifier: GPL-2.0+
/*
* Copyright (c) 2018, Google Inc. All rights reserved.
*/
#include <common.h>
#include <bloblist.h>
#include <log.h>
#include <mapmem.h>
#include <asm/global_data.h>
#include <test/suites.h>
#include <test/test.h>
#include <test/ut.h>
DECLARE_GLOBAL_DATA_PTR;
/* Declare a new bloblist test */
#define BLOBLIST_TEST(_name, _flags) \
UNIT_TEST(_name, _flags, bloblist_test)
enum {
TEST_TAG = BLOBLISTT_U_BOOT_SPL_HANDOFF,
TEST_TAG2 = BLOBLISTT_VBOOT_CTX,
TEST_TAG_MISSING = 0x10000,
TEST_SIZE = 10,
TEST_SIZE2 = 20,
TEST_SIZE_LARGE = 0x3e0,
TEST_ADDR = CONFIG_BLOBLIST_ADDR,
TEST_BLOBLIST_SIZE = 0x400,
ERASE_BYTE = '\xff',
};
static const char test1_str[] = "the eyes are open";
static const char test2_str[] = "the mouth moves";
static struct bloblist_hdr *clear_bloblist(void)
{
struct bloblist_hdr *hdr;
/*
* Clear out any existing bloblist so we have a clean slate. Zero the
* header so that existing records are removed, but set everything else
* to 0xff for testing purposes.
*/
hdr = map_sysmem(CONFIG_BLOBLIST_ADDR, TEST_BLOBLIST_SIZE);
memset(hdr, ERASE_BYTE, TEST_BLOBLIST_SIZE);
memset(hdr, '\0', sizeof(*hdr));
return hdr;
}
static int check_zero(void *data, int size)
{
u8 *ptr;
int i;
for (ptr = data, i = 0; i < size; i++, ptr++) {
if (*ptr)
return -EINVAL;
}
return 0;
}
static int bloblist_test_init(struct unit_test_state *uts)
{
struct bloblist_hdr *hdr;
hdr = clear_bloblist();
ut_asserteq(-ENOENT, bloblist_check(TEST_ADDR, TEST_BLOBLIST_SIZE));
ut_asserteq_ptr(NULL, bloblist_check_magic(TEST_ADDR));
ut_assertok(bloblist_new(TEST_ADDR, TEST_BLOBLIST_SIZE, 0, 0));
ut_asserteq_ptr(hdr, bloblist_check_magic(TEST_ADDR));
hdr->version++;
ut_asserteq(-EPROTONOSUPPORT, bloblist_check(TEST_ADDR,
TEST_BLOBLIST_SIZE));
ut_asserteq(-ENOSPC, bloblist_new(TEST_ADDR, 0xc, 0, 0));
ut_asserteq(-EFAULT, bloblist_new(1, TEST_BLOBLIST_SIZE, 0, 0));
ut_assertok(bloblist_new(TEST_ADDR, TEST_BLOBLIST_SIZE, 0, 0));
ut_asserteq(-EIO, bloblist_check(TEST_ADDR, TEST_BLOBLIST_SIZE));
ut_assertok(bloblist_finish());
ut_assertok(bloblist_check(TEST_ADDR, TEST_BLOBLIST_SIZE));
hdr->magic++;
ut_asserteq_ptr(NULL, bloblist_check_magic(TEST_ADDR));
hdr->magic--;
hdr->flags++;
ut_asserteq(-EIO, bloblist_check(TEST_ADDR, TEST_BLOBLIST_SIZE));
return 1;
}
BLOBLIST_TEST(bloblist_test_init, 0);
static int bloblist_test_blob(struct unit_test_state *uts)
{
struct bloblist_hdr *hdr;
struct bloblist_rec *rec, *rec2;
char *data;
/* At the start there should be no records */
hdr = clear_bloblist();
ut_assertnull(bloblist_find(TEST_TAG, TEST_BLOBLIST_SIZE));
ut_assertok(bloblist_new(TEST_ADDR, TEST_BLOBLIST_SIZE, 0, 0));
ut_asserteq(sizeof(struct bloblist_hdr), bloblist_get_size());
ut_asserteq(TEST_BLOBLIST_SIZE, bloblist_get_total_size());
ut_asserteq(TEST_ADDR, bloblist_get_base());
ut_asserteq(map_to_sysmem(hdr), TEST_ADDR);
/* Add a record and check that we can find it */
data = bloblist_add(TEST_TAG, TEST_SIZE, 0);
rec = (void *)(hdr + 1);
ut_asserteq_addr(rec + 1, data);
data = bloblist_find(TEST_TAG, TEST_SIZE);
ut_asserteq_addr(rec + 1, data);
/* Check the data is zeroed */
ut_assertok(check_zero(data, TEST_SIZE));
/* Check the 'ensure' method */
ut_asserteq_addr(data, bloblist_ensure(TEST_TAG, TEST_SIZE));
ut_assertnull(bloblist_ensure(TEST_TAG, TEST_SIZE2));
rec2 = (struct bloblist_rec *)(data + ALIGN(TEST_SIZE, BLOBLIST_ALIGN));
ut_assertok(check_zero(data, TEST_SIZE));
/* Check for a non-existent record */
ut_asserteq_addr(data, bloblist_ensure(TEST_TAG, TEST_SIZE));
ut_asserteq_addr(rec2 + 1, bloblist_ensure(TEST_TAG2, TEST_SIZE2));
ut_assertnull(bloblist_find(TEST_TAG_MISSING, 0));
return 0;
}
BLOBLIST_TEST(bloblist_test_blob, 0);
/* Check bloblist_ensure_size_ret() */
static int bloblist_test_blob_ensure(struct unit_test_state *uts)
{
void *data, *data2;
int size;
/* At the start there should be no records */
clear_bloblist();
ut_assertok(bloblist_new(TEST_ADDR, TEST_BLOBLIST_SIZE, 0, 0));
/* Test with an empty bloblist */
size = TEST_SIZE;
ut_assertok(bloblist_ensure_size_ret(TEST_TAG, &size, &data));
ut_asserteq(TEST_SIZE, size);
ut_assertok(check_zero(data, TEST_SIZE));
/* Check that we get the same thing again */
ut_assertok(bloblist_ensure_size_ret(TEST_TAG, &size, &data2));
ut_asserteq(TEST_SIZE, size);
ut_asserteq_addr(data, data2);
/* Check that the size remains the same */
size = TEST_SIZE2;
ut_assertok(bloblist_ensure_size_ret(TEST_TAG, &size, &data));
ut_asserteq(TEST_SIZE, size);
/* Check running out of space */
size = TEST_SIZE_LARGE;
ut_asserteq(-ENOSPC, bloblist_ensure_size_ret(TEST_TAG2, &size, &data));
return 0;
}
BLOBLIST_TEST(bloblist_test_blob_ensure, 0);
static int bloblist_test_bad_blob(struct unit_test_state *uts)
{
struct bloblist_hdr *hdr;
void *data;
hdr = clear_bloblist();
ut_assertok(bloblist_new(TEST_ADDR, TEST_BLOBLIST_SIZE, 0, 0));
data = hdr + 1;
data += sizeof(struct bloblist_rec);
ut_asserteq_addr(data, bloblist_ensure(TEST_TAG, TEST_SIZE));
ut_asserteq_addr(data, bloblist_ensure(TEST_TAG, TEST_SIZE));
return 0;
}
BLOBLIST_TEST(bloblist_test_bad_blob, 0);
static int bloblist_test_checksum(struct unit_test_state *uts)
{
struct bloblist_hdr *hdr;
char *data, *data2;
hdr = clear_bloblist();
ut_assertok(bloblist_new(TEST_ADDR, TEST_BLOBLIST_SIZE, 0, 0));
ut_assertok(bloblist_finish());
ut_assertok(bloblist_check(TEST_ADDR, TEST_BLOBLIST_SIZE));
/*
* Now change things amd make sure that the checksum notices. We cannot
* change the size or alloced fields, since that will crash the code.
* It has to rely on these being correct.
*/
hdr->flags--;
ut_asserteq(-EIO, bloblist_check(TEST_ADDR, TEST_BLOBLIST_SIZE));
hdr->flags++;
hdr->total_size--;
ut_asserteq(-EIO, bloblist_check(TEST_ADDR, TEST_BLOBLIST_SIZE));
hdr->total_size++;
hdr->spare++;
ut_asserteq(-EIO, bloblist_check(TEST_ADDR, TEST_BLOBLIST_SIZE));
hdr->spare--;
hdr->chksum++;
ut_asserteq(-EIO, bloblist_check(TEST_ADDR, TEST_BLOBLIST_SIZE));
hdr->chksum--;
hdr->align_log2++;
ut_asserteq(-EIO, bloblist_check(TEST_ADDR, TEST_BLOBLIST_SIZE));
hdr->align_log2--;
/* Make sure the checksum changes when we add blobs */
data = bloblist_add(TEST_TAG, TEST_SIZE, 0);
ut_asserteq(-EIO, bloblist_check(TEST_ADDR, TEST_BLOBLIST_SIZE));
data2 = bloblist_add(TEST_TAG2, TEST_SIZE2, 0);
ut_asserteq(-EIO, bloblist_check(TEST_ADDR, TEST_BLOBLIST_SIZE));
ut_assertok(bloblist_finish());
/* It should also change if we change the data */
ut_assertok(bloblist_check(TEST_ADDR, TEST_BLOBLIST_SIZE));
*data += 1;
ut_asserteq(-EIO, bloblist_check(TEST_ADDR, TEST_BLOBLIST_SIZE));
*data -= 1;
ut_assertok(bloblist_check(TEST_ADDR, TEST_BLOBLIST_SIZE));
*data2 += 1;
ut_asserteq(-EIO, bloblist_check(TEST_ADDR, TEST_BLOBLIST_SIZE));
*data2 -= 1;
/*
* Changing data outside the range of valid data should affect the
* checksum.
*/
ut_assertok(bloblist_check(TEST_ADDR, TEST_BLOBLIST_SIZE));
data[TEST_SIZE]++;
ut_asserteq(-EIO, bloblist_check(TEST_ADDR, TEST_BLOBLIST_SIZE));
data[TEST_SIZE]--;
ut_assertok(bloblist_check(TEST_ADDR, TEST_BLOBLIST_SIZE));
data2[TEST_SIZE2]++;
ut_asserteq(-EIO, bloblist_check(TEST_ADDR, TEST_BLOBLIST_SIZE));
data[TEST_SIZE]--;
ut_assertok(bloblist_check(TEST_ADDR, TEST_BLOBLIST_SIZE));
return 0;
}
BLOBLIST_TEST(bloblist_test_checksum, 0);
/* Test the 'bloblist info' command */
static int bloblist_test_cmd_info(struct unit_test_state *uts)
{
struct bloblist_hdr *hdr;
char *data, *data2;
hdr = clear_bloblist();
ut_assertok(bloblist_new(TEST_ADDR, TEST_BLOBLIST_SIZE, 0, 0));
data = bloblist_ensure(TEST_TAG, TEST_SIZE);
data2 = bloblist_ensure(TEST_TAG2, TEST_SIZE2);
console_record_reset_enable();
ut_silence_console(uts);
console_record_reset();
run_command("bloblist info", 0);
ut_assert_nextline("base: %lx", (ulong)map_to_sysmem(hdr));
ut_assert_nextline("total size: 400 1 KiB");
ut_assert_nextline("used size: 50 80 Bytes");
ut_assert_nextline("free: 3b0 944 Bytes");
ut_assert_console_end();
ut_unsilence_console(uts);
return 0;
}
BLOBLIST_TEST(bloblist_test_cmd_info, 0);
/* Test the 'bloblist list' command */
static int bloblist_test_cmd_list(struct unit_test_state *uts)
{
struct bloblist_hdr *hdr;
char *data, *data2;
hdr = clear_bloblist();
ut_assertok(bloblist_new(TEST_ADDR, TEST_BLOBLIST_SIZE, 0, 0));
data = bloblist_ensure(TEST_TAG, TEST_SIZE);
data2 = bloblist_ensure(TEST_TAG2, TEST_SIZE2);
console_record_reset_enable();
ut_silence_console(uts);
console_record_reset();
run_command("bloblist list", 0);
ut_assert_nextline("Address Size Tag Name");
ut_assert_nextline("%08lx %8x fff000 SPL hand-off",
(ulong)map_to_sysmem(data), TEST_SIZE);
ut_assert_nextline("%08lx %8x 202 Chrome OS vboot context",
(ulong)map_to_sysmem(data2), TEST_SIZE2);
ut_assert_console_end();
ut_unsilence_console(uts);
return 0;
}
BLOBLIST_TEST(bloblist_test_cmd_list, 0);
/* Test alignment of bloblist blobs */
static int bloblist_test_align(struct unit_test_state *uts)
{
struct bloblist_hdr *hdr;
ulong addr;
char *data;
int i;
/* At the start there should be no records */
hdr = clear_bloblist();
ut_assertok(bloblist_new(TEST_ADDR, TEST_BLOBLIST_SIZE, 0, 0));
ut_assertnull(bloblist_find(TEST_TAG, TEST_BLOBLIST_SIZE));
/* Check the default alignment */
for (i = 0; i < 3; i++) {
int size = i * 3;
ulong addr;
char *data;
int j;
data = bloblist_add(i, size, 0);
ut_assertnonnull(data);
addr = map_to_sysmem(data);
ut_asserteq(0, addr & (BLOBLIST_BLOB_ALIGN - 1));
/* Only the bytes in the blob data should be zeroed */
for (j = 0; j < size; j++)
ut_asserteq(0, data[j]);
for (; j < BLOBLIST_BLOB_ALIGN; j++)
ut_asserteq(ERASE_BYTE, data[j]);
}
/* Check larger alignment */
for (i = 0; i < 3; i++) {
int align = 5 - i;
data = bloblist_add(3 + i, i * 4, align);
ut_assertnonnull(data);
addr = map_to_sysmem(data);
ut_asserteq(0, addr & (align - 1));
}
/* Check alignment with an bloblist starting on a smaller alignment */
hdr = map_sysmem(TEST_ADDR + BLOBLIST_BLOB_ALIGN, TEST_BLOBLIST_SIZE);
memset(hdr, ERASE_BYTE, TEST_BLOBLIST_SIZE);
memset(hdr, '\0', sizeof(*hdr));
ut_assertok(bloblist_new(TEST_ADDR + BLOBLIST_ALIGN, TEST_BLOBLIST_SIZE,
0, 0));
data = bloblist_add(1, 5, BLOBLIST_ALIGN_LOG2 + 1);
ut_assertnonnull(data);
addr = map_to_sysmem(data);
ut_asserteq(0, addr & (BLOBLIST_BLOB_ALIGN * 2 - 1));
return 0;
}
BLOBLIST_TEST(bloblist_test_align, 0);
/* Test relocation of a bloblist */
static int bloblist_test_reloc(struct unit_test_state *uts)
{
const uint large_size = TEST_BLOBLIST_SIZE;
const uint small_size = 0x20;
void *new_ptr;
void *blob1, *blob2;
ulong new_addr;
ulong new_size;
ut_assertok(bloblist_new(TEST_ADDR, TEST_BLOBLIST_SIZE, 0, 0));
/* Add one blob and then one that won't fit */
blob1 = bloblist_add(TEST_TAG, small_size, 0);
ut_assertnonnull(blob1);
blob2 = bloblist_add(TEST_TAG2, large_size, 0);
ut_assertnull(blob2);
/* Relocate the bloblist somewhere else, a bit larger */
new_addr = TEST_ADDR + TEST_BLOBLIST_SIZE;
new_size = TEST_BLOBLIST_SIZE + 0x100;
new_ptr = map_sysmem(new_addr, TEST_BLOBLIST_SIZE);
ut_assertok(bloblist_reloc(new_ptr, new_size));
/* Check the old blob is there and that we can now add the bigger one */
ut_assertnonnull(bloblist_find(TEST_TAG, small_size));
ut_assertnull(bloblist_find(TEST_TAG2, small_size));
blob2 = bloblist_add(TEST_TAG2, large_size, 0);
ut_assertnonnull(blob2);
return 0;
}
BLOBLIST_TEST(bloblist_test_reloc, 0);
/* Test expansion of a blob */
static int bloblist_test_grow(struct unit_test_state *uts)
{
const uint small_size = 0x20;
void *blob1, *blob2, *blob1_new;
struct bloblist_hdr *hdr;
void *ptr;
ptr = map_sysmem(TEST_ADDR, TEST_BLOBLIST_SIZE);
hdr = ptr;
memset(hdr, ERASE_BYTE, TEST_BLOBLIST_SIZE);
/* Create two blobs */
ut_assertok(bloblist_new(TEST_ADDR, TEST_BLOBLIST_SIZE, 0, 0));
blob1 = bloblist_add(TEST_TAG, small_size, 0);
ut_assertnonnull(blob1);
ut_assertok(check_zero(blob1, small_size));
strcpy(blob1, test1_str);
blob2 = bloblist_add(TEST_TAG2, small_size, 0);
ut_assertnonnull(blob2);
strcpy(blob2, test2_str);
ut_asserteq(sizeof(struct bloblist_hdr) +
sizeof(struct bloblist_rec) * 2 + small_size * 2,
hdr->used_size);
/* Resize the first one */
ut_assertok(bloblist_resize(TEST_TAG, small_size + 4));
/* The first one should not have moved, just got larger */
blob1_new = bloblist_find(TEST_TAG, small_size + 4);
ut_asserteq_ptr(blob1, blob1_new);
/* The new space should be zeroed */
ut_assertok(check_zero(blob1 + small_size, 4));
/* The second one should have moved */
blob2 = bloblist_find(TEST_TAG2, small_size);
ut_assertnonnull(blob2);
ut_asserteq_str(test2_str, blob2);
/* The header should have more bytes in use */
hdr = ptr;
ut_asserteq(sizeof(struct bloblist_hdr) +
sizeof(struct bloblist_rec) * 2 + small_size * 2 +
BLOBLIST_BLOB_ALIGN,
hdr->used_size);
return 0;
}
BLOBLIST_TEST(bloblist_test_grow, 0);
/* Test shrinking of a blob */
static int bloblist_test_shrink(struct unit_test_state *uts)
{
const uint small_size = 0x20;
void *blob1, *blob2, *blob1_new;
struct bloblist_hdr *hdr;
int new_size;
void *ptr;
ptr = map_sysmem(TEST_ADDR, TEST_BLOBLIST_SIZE);
/* Create two blobs */
ut_assertok(bloblist_new(TEST_ADDR, TEST_BLOBLIST_SIZE, 0, 0));
blob1 = bloblist_add(TEST_TAG, small_size, 0);
ut_assertnonnull(blob1);
strcpy(blob1, test1_str);
blob2 = bloblist_add(TEST_TAG2, small_size, 0);
ut_assertnonnull(blob2);
strcpy(blob2, test2_str);
hdr = ptr;
ut_asserteq(sizeof(struct bloblist_hdr) +
sizeof(struct bloblist_rec) * 2 + small_size * 2,
hdr->used_size);
/* Resize the first one */
new_size = small_size - BLOBLIST_ALIGN - 4;
ut_assertok(bloblist_resize(TEST_TAG, new_size));
/* The first one should not have moved, just got smaller */
blob1_new = bloblist_find(TEST_TAG, new_size);
ut_asserteq_ptr(blob1, blob1_new);
/* The second one should have moved */
blob2 = bloblist_find(TEST_TAG2, small_size);
ut_assertnonnull(blob2);
ut_asserteq_str(test2_str, blob2);
/* The header should have fewer bytes in use */
hdr = ptr;
ut_asserteq(sizeof(struct bloblist_hdr) +
sizeof(struct bloblist_rec) * 2 + small_size * 2 -
BLOBLIST_ALIGN,
hdr->used_size);
return 0;
}
BLOBLIST_TEST(bloblist_test_shrink, 0);
/* Test failing to adjust a blob size */
static int bloblist_test_resize_fail(struct unit_test_state *uts)
{
const uint small_size = 0x20;
struct bloblist_hdr *hdr;
void *blob1, *blob2;
int new_size;
void *ptr;
ptr = map_sysmem(TEST_ADDR, TEST_BLOBLIST_SIZE);
/* Create two blobs */
ut_assertok(bloblist_new(TEST_ADDR, TEST_BLOBLIST_SIZE, 0, 0));
blob1 = bloblist_add(TEST_TAG, small_size, 0);
ut_assertnonnull(blob1);
blob2 = bloblist_add(TEST_TAG2, small_size, 0);
ut_assertnonnull(blob2);
hdr = ptr;
ut_asserteq(sizeof(struct bloblist_hdr) +
sizeof(struct bloblist_rec) * 2 + small_size * 2,
hdr->used_size);
/* Resize the first one, to check the boundary conditions */
ut_asserteq(-EINVAL, bloblist_resize(TEST_TAG, -1));
new_size = small_size + (hdr->total_size - hdr->used_size);
ut_asserteq(-ENOSPC, bloblist_resize(TEST_TAG, new_size + 1));
ut_assertok(bloblist_resize(TEST_TAG, new_size));
return 0;
}
BLOBLIST_TEST(bloblist_test_resize_fail, 0);
/* Test expanding the last blob in a bloblist */
static int bloblist_test_resize_last(struct unit_test_state *uts)
{
const uint small_size = 0x20;
struct bloblist_hdr *hdr;
void *blob1, *blob2, *blob2_new;
int alloced_val;
void *ptr;
ptr = map_sysmem(TEST_ADDR, TEST_BLOBLIST_SIZE);
memset(ptr, ERASE_BYTE, TEST_BLOBLIST_SIZE);
hdr = ptr;
/* Create two blobs */
ut_assertok(bloblist_new(TEST_ADDR, TEST_BLOBLIST_SIZE, 0, 0));
blob1 = bloblist_add(TEST_TAG, small_size, 0);
ut_assertnonnull(blob1);
blob2 = bloblist_add(TEST_TAG2, small_size, 0);
ut_assertnonnull(blob2);
/* Check the byte after the last blob */
alloced_val = sizeof(struct bloblist_hdr) +
sizeof(struct bloblist_rec) * 2 + small_size * 2;
ut_asserteq(alloced_val, hdr->used_size);
ut_asserteq_ptr((void *)hdr + alloced_val, blob2 + small_size);
ut_asserteq((u8)ERASE_BYTE, *((u8 *)hdr + hdr->used_size));
/* Resize the second one, checking nothing changes */
ut_asserteq(0, bloblist_resize(TEST_TAG2, small_size + 4));
blob2_new = bloblist_find(TEST_TAG2, small_size + 4);
ut_asserteq_ptr(blob2, blob2_new);
/*
* the new blob should encompass the byte we checked now, so it should
* be zeroed. This zeroing should affect only the four new bytes added
* to the blob.
*/
ut_asserteq(0, *((u8 *)hdr + alloced_val));
ut_asserteq((u8)ERASE_BYTE, *((u8 *)hdr + alloced_val + 4));
/* Check that the new top of the allocated blobs has not been touched */
alloced_val += BLOBLIST_BLOB_ALIGN;
ut_asserteq(alloced_val, hdr->used_size);
ut_asserteq((u8)ERASE_BYTE, *((u8 *)hdr + hdr->used_size));
return 0;
}
BLOBLIST_TEST(bloblist_test_resize_last, 0);
/* Check a completely full bloblist */
static int bloblist_test_blob_maxsize(struct unit_test_state *uts)
{
void *ptr;
int size;
/* At the start there should be no records */
clear_bloblist();
ut_assertok(bloblist_new(TEST_ADDR, TEST_BLOBLIST_SIZE, 0, 0));
/* Add a blob that takes up all space */
size = TEST_BLOBLIST_SIZE - sizeof(struct bloblist_hdr) -
sizeof(struct bloblist_rec);
ptr = bloblist_add(TEST_TAG, size, 0);
ut_assertnonnull(ptr);
ptr = bloblist_add(TEST_TAG, size + 1, 0);
ut_assertnull(ptr);
return 0;
}
BLOBLIST_TEST(bloblist_test_blob_maxsize, 0);
int do_ut_bloblist(struct cmd_tbl *cmdtp, int flag, int argc,
char *const argv[])
{
struct unit_test *tests = UNIT_TEST_SUITE_START(bloblist_test);
const int n_ents = UNIT_TEST_SUITE_COUNT(bloblist_test);
return cmd_ut_category("bloblist", "bloblist_test_",
tests, n_ents, argc, argv);
}