diff options
Diffstat (limited to 'roms/u-boot/test/bloblist.c')
-rw-r--r-- | roms/u-boot/test/bloblist.c | 395 |
1 files changed, 395 insertions, 0 deletions
diff --git a/roms/u-boot/test/bloblist.c b/roms/u-boot/test/bloblist.c new file mode 100644 index 000000000..d876b6391 --- /dev/null +++ b/roms/u-boot/test/bloblist.c @@ -0,0 +1,395 @@ +// 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 compression test */ +#define BLOBLIST_TEST(_name, _flags) \ + UNIT_TEST(_name, _flags, bloblist_test) + +enum { + TEST_TAG = 1, + TEST_TAG2 = 2, + TEST_TAG_MISSING = 3, + + TEST_SIZE = 10, + TEST_SIZE2 = 20, + TEST_SIZE_LARGE = 0x3e0, + + TEST_ADDR = CONFIG_BLOBLIST_ADDR, + TEST_BLOBLIST_SIZE = 0x400, + + ERASE_BYTE = '\xff', +}; + +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_assertok(bloblist_new(TEST_ADDR, TEST_BLOBLIST_SIZE, 0)); + hdr->version++; + ut_asserteq(-EPROTONOSUPPORT, bloblist_check(TEST_ADDR, + TEST_BLOBLIST_SIZE)); + + ut_asserteq(-ENOSPC, bloblist_new(TEST_ADDR, 0x10, 0)); + ut_asserteq(-EFAULT, bloblist_new(1, TEST_BLOBLIST_SIZE, 0)); + ut_assertok(bloblist_new(TEST_ADDR, TEST_BLOBLIST_SIZE, 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->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)); + 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)); + + /* 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)); + 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)); + 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->size--; + ut_asserteq(-EFBIG, bloblist_check(TEST_ADDR, TEST_BLOBLIST_SIZE)); + hdr->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--; + + /* 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 not affect + * the checksum. + */ + ut_assertok(bloblist_check(TEST_ADDR, TEST_BLOBLIST_SIZE)); + data[TEST_SIZE]++; + data2[TEST_SIZE2]++; + 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)); + 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("size: 400 1 KiB"); + ut_assert_nextline("alloced: 70 112 Bytes"); + ut_assert_nextline("free: 390 912 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)); + 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 1 EC host event", + (ulong)map_to_sysmem(data), TEST_SIZE); + ut_assert_nextline("%08lx %8x 2 SPL hand-off", + (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)); + 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_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_ALIGN; j++) + ut_asserteq(ERASE_BYTE, data[j]); + } + + /* Check larger alignment */ + for (i = 0; i < 3; i++) { + int align = 32 << 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_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)); + + data = bloblist_add(1, 5, BLOBLIST_ALIGN * 2); + ut_assertnonnull(data); + addr = map_to_sysmem(data); + ut_asserteq(0, addr & (BLOBLIST_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 *old_ptr, *new_ptr; + void *blob1, *blob2; + ulong new_addr; + ulong new_size; + + ut_assertok(bloblist_new(TEST_ADDR, TEST_BLOBLIST_SIZE, 0)); + old_ptr = map_sysmem(TEST_ADDR, TEST_BLOBLIST_SIZE); + + /* 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); + bloblist_reloc(new_ptr, new_size, old_ptr, TEST_BLOBLIST_SIZE); + gd->bloblist = new_ptr; + + /* 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); + +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); +} |