diff options
Diffstat (limited to 'test/boot/vbe_simple.c')
| -rw-r--r-- | test/boot/vbe_simple.c | 115 |
1 files changed, 115 insertions, 0 deletions
diff --git a/test/boot/vbe_simple.c b/test/boot/vbe_simple.c new file mode 100644 index 0000000000..2f6979cafc --- /dev/null +++ b/test/boot/vbe_simple.c @@ -0,0 +1,115 @@ +// SPDX-License-Identifier: GPL-2.0+ +/* + * Test for vbe-simple bootmeth. All start with 'vbe_simple' + * + * Copyright 2023 Google LLC + * Written by Simon Glass <sjg@chromium.org> + */ + +#include <common.h> +#include <bootmeth.h> +#include <dm.h> +#include <image.h> +#include <memalign.h> +#include <mmc.h> +#include <of_live.h> +#include <vbe.h> +#include <version_string.h> +#include <linux/log2.h> +#include <test/suites.h> +#include <test/ut.h> +#include <u-boot/crc.h> +#include "bootstd_common.h" + +#define NVDATA_START_BLK ((0x400 + 0x400) / MMC_MAX_BLOCK_LEN) +#define VERSION_START_BLK ((0x400 + 0x800) / MMC_MAX_BLOCK_LEN) +#define TEST_VERSION "U-Boot v2022.04-local2" +#define TEST_VERNUM 0x00010002 + +/* Basic test of reading nvdata and updating a fwupd node in the device tree */ +static int vbe_simple_test_base(struct unit_test_state *uts) +{ + ALLOC_CACHE_ALIGN_BUFFER(u8, buf, MMC_MAX_BLOCK_LEN); + const char *version, *bl_version; + struct event_ft_fixup fixup; + struct udevice *dev, *mmc; + struct device_node *np; + struct blk_desc *desc; + char fdt_buf[0x400]; + char info[100]; + int node_ofs; + ofnode node; + u32 vernum; + + /* Set up the version string */ + ut_assertok(uclass_get_device(UCLASS_MMC, 1, &mmc)); + desc = blk_get_by_device(mmc); + ut_assertnonnull(desc); + + memset(buf, '\0', MMC_MAX_BLOCK_LEN); + strcpy(buf, TEST_VERSION); + if (blk_dwrite(desc, VERSION_START_BLK, 1, buf) != 1) + return log_msg_ret("write", -EIO); + + /* Set up the nvdata */ + memset(buf, '\0', MMC_MAX_BLOCK_LEN); + buf[1] = ilog2(0x40) << 4 | 1; + *(u32 *)(buf + 4) = TEST_VERNUM; + buf[0] = crc8(0, buf + 1, 0x3f); + if (blk_dwrite(desc, NVDATA_START_BLK, 1, buf) != 1) + return log_msg_ret("write", -EIO); + + /* Read the version back */ + ut_assertok(vbe_find_by_any("firmware0", &dev)); + ut_assertok(bootmeth_get_state_desc(dev, info, sizeof(info))); + ut_asserteq_str("Version: " TEST_VERSION "\nVernum: 1/2", info); + + ut_assertok(fdt_create_empty_tree(fdt_buf, sizeof(fdt_buf))); + node_ofs = fdt_add_subnode(fdt_buf, 0, "chosen"); + ut_assert(node_ofs > 0); + + node_ofs = fdt_add_subnode(fdt_buf, node_ofs, "fwupd"); + ut_assert(node_ofs > 0); + + node_ofs = fdt_add_subnode(fdt_buf, node_ofs, "firmware0"); + ut_assert(node_ofs > 0); + + /* + * This can only work on the live tree, since the ofnode interface for + * flat tree assumes that ofnode points to the control FDT + */ + ut_assertok(unflatten_device_tree(fdt_buf, &np)); + + /* + * It would be better to call image_setup_libfdt() here, but that + * function does not allow passing an ofnode. We can pass fdt_buf but + * when it comes to send the evenr, it creates an ofnode that uses the + * control FDT, since it has no way of accessing the live tree created + * here. + * + * Two fix this we need: + * - image_setup_libfdt() is updated to use ofnode + * - ofnode updated to support access to an FDT other than the control + * FDT. This is partially implemented with live tree, but not with + * flat tree + */ + fixup.tree.np = np; + ut_assertok(event_notify(EVT_FT_FIXUP, &fixup, sizeof(fixup))); + + node = ofnode_path_root(fixup.tree, "/chosen/fwupd/firmware0"); + + version = ofnode_read_string(node, "cur-version"); + ut_assertnonnull(version); + ut_asserteq_str(TEST_VERSION, version); + + ut_assertok(ofnode_read_u32(node, "cur-vernum", &vernum)); + ut_asserteq(TEST_VERNUM, vernum); + + bl_version = ofnode_read_string(node, "bootloader-version"); + ut_assertnonnull(bl_version); + ut_asserteq_str(version_string, bl_version); + + return 0; +} +BOOTSTD_TEST(vbe_simple_test_base, UT_TESTF_DM | UT_TESTF_SCAN_FDT | + UT_TESTF_LIVE_TREE); |