diff options
Diffstat (limited to 'test/boot')
| -rw-r--r-- | test/boot/Makefile | 3 | ||||
| -rw-r--r-- | test/boot/image_fdt.c | 83 |
2 files changed, 86 insertions, 0 deletions
diff --git a/test/boot/Makefile b/test/boot/Makefile index d98f212b243..e6aa0ab7d3e 100644 --- a/test/boot/Makefile +++ b/test/boot/Makefile @@ -14,6 +14,9 @@ endif ifdef CONFIG_SANDBOX obj-$(CONFIG_$(PHASE_)CMDLINE) += bootm.o +ifdef CONFIG_UT_DM +obj-$(CONFIG_$(PHASE_)OF_LIBFDT) += image_fdt.o +endif endif obj-$(CONFIG_$(PHASE_)FIT_VERITY) += fit_verity.o obj-$(CONFIG_MEASURED_BOOT) += measurement.o diff --git a/test/boot/image_fdt.c b/test/boot/image_fdt.c new file mode 100644 index 00000000000..5417689a683 --- /dev/null +++ b/test/boot/image_fdt.c @@ -0,0 +1,83 @@ +// SPDX-License-Identifier: GPL-2.0+ +/* + * Copyright (C) 2026 Texas Instruments Incorporated - https://www.ti.com/ + */ + +#include <config.h> + +#include <fdt_support.h> +#include <image.h> +#include <lmb.h> +#include <malloc.h> + +#include <asm/global_data.h> + +#include <test/test.h> +#include <test/ut.h> + +#define IMAGE_FDT_TEST(_name, _flags) UNIT_TEST(_name, _flags, image_fdt) + +DECLARE_GLOBAL_DATA_PTR; + +/** + * test_boot_fdt_add_mem_rsv_regions - Make sure dt reservations are created and + * destroyed correctly + * @uts: Test state + * + * This test depends on the UT_DM device tree and ensures the following + * statements hold true: The default reservation in test.dtb exists. + * Re-reserving that region will result in an error. Loading a new device tree + * will remove old reservations. + */ +static int test_boot_fdt_add_mem_rsv_regions(struct unit_test_state *uts) +{ + phys_addr_t start = CFG_SYS_SDRAM_BASE + 0x100000; + const void *old_blob = gd->fdt_blob; + int ret = CMD_RET_FAILURE; + ulong fdt_sz; + int nodeoffset; + void *new_blob; + + /* Default reservation should exist */ + ut_asserteq(1, lmb_is_reserved_flags(start, LMB_NOMAP)); + + /* Attempting to re-reserve should warn the user */ + boot_fdt_add_mem_rsv_regions(gd->fdt_blob); + ut_assert_nextlinen("ERROR: reserving"); + ut_assert_console_end(); + + /* Loading a new_blob device tree should be allowed */ + fdt_sz = fdt_totalsize(gd->fdt_blob); + new_blob = malloc(fdt_sz); + ut_assertnonnull(new_blob); + memcpy(new_blob, gd->fdt_blob, fdt_sz); + + nodeoffset = fdt_path_offset(new_blob, "/reserved-memory"); + if (nodeoffset < 0) + goto free_blob; + + if (fdt_del_node(new_blob, nodeoffset)) + goto free_blob; + + boot_fdt_add_mem_rsv_regions(new_blob); + gd->fdt_blob = new_blob; + + if (ut_check_console_end(uts)) { + ut_failf(uts, __FILE__, __LINE__, __func__, "console", + "Expected no more output, got '%s'", uts->actual_str); + goto switch_fdt; + } + + /* Reservation should not exist now */ + if (!lmb_is_reserved_flags(start, LMB_NOMAP)) + ret = 0; + + /* Cleanup */ +switch_fdt: + boot_fdt_add_mem_rsv_regions(old_blob); + gd->fdt_blob = old_blob; +free_blob: + free(new_blob); + return ret; +} +IMAGE_FDT_TEST(test_boot_fdt_add_mem_rsv_regions, UTF_CONSOLE); |