diff options
Diffstat (limited to 'test/boot/image.c')
| -rw-r--r-- | test/boot/image.c | 68 |
1 files changed, 68 insertions, 0 deletions
diff --git a/test/boot/image.c b/test/boot/image.c index 4df7b17ce88..2c6d9dcbc22 100644 --- a/test/boot/image.c +++ b/test/boot/image.c @@ -8,8 +8,76 @@ #include <image.h> #include <test/ut.h> +#include <linux/libfdt.h> #include "bootstd_common.h" +/* Test that the default configuration breaks best-match ties */ +static int test_fit_conf_find_compat(struct unit_test_state *uts) +{ + char fdt[256], fit[1024]; + int confs, images, node; + int ret; + + /* control devicetree with a two-entry compatible list */ + ut_assertok(fdt_create_empty_tree(fdt, sizeof(fdt))); + ut_assertok(fdt_appendprop_string(fdt, 0, "compatible", + "test,board-a")); + ut_assertok(fdt_appendprop_string(fdt, 0, "compatible", + "test,fallback")); + + /* FIT with two configurations matching the same compatible */ + ut_assertok(fdt_create_empty_tree(fit, sizeof(fit))); + images = fdt_add_subnode(fit, 0, "images"); + ut_assert(images >= 0); + confs = fdt_add_subnode(fit, 0, "configurations"); + ut_assert(confs >= 0); + ut_assertok(fdt_setprop_string(fit, confs, FIT_DEFAULT_PROP, "conf-2")); + /* + * fdt_add_subnode() inserts before existing subnodes: create conf-2 + * first so that conf-1 ends up listed first, like an .its compiled + * with the configurations in that order + */ + node = fdt_add_subnode(fit, confs, "conf-2"); + ut_assert(node >= 0); + ut_assertok(fdt_setprop_string(fit, node, "compatible", + "test,board-a")); + node = fdt_add_subnode(fit, confs, "conf-1"); + ut_assert(node >= 0); + ut_assertok(fdt_setprop_string(fit, node, "compatible", + "test,board-a")); + confs = fdt_path_offset(fit, "/configurations"); + node = fdt_first_subnode(fit, confs); + ut_asserteq_str("conf-1", fdt_get_name(fit, node, NULL)); + + /* on a tie, the default configuration wins */ + ret = fit_conf_find_compat(fit, fdt); + ut_assert(ret > 0); + ut_asserteq_str("conf-2", fdt_get_name(fit, ret, NULL)); + + /* without a default, the first listed configuration wins */ + confs = fdt_path_offset(fit, "/configurations"); + ut_assertok(fdt_delprop(fit, confs, FIT_DEFAULT_PROP)); + confs = fdt_path_offset(fit, "/configurations"); + ut_assertnull((void *)fdt_getprop(fit, confs, FIT_DEFAULT_PROP, NULL)); + ret = fit_conf_find_compat(fit, fdt); + ut_assert(ret > 0); + ut_asserteq_str("conf-1", fdt_get_name(fit, ret, NULL)); + + /* a strictly better match still beats the default */ + confs = fdt_path_offset(fit, "/configurations"); + ut_assertok(fdt_setprop_string(fit, confs, FIT_DEFAULT_PROP, "conf-2")); + confs = fdt_path_offset(fit, "/configurations"); + node = fdt_subnode_offset(fit, confs, "conf-2"); + ut_assertok(fdt_setprop_string(fit, node, "compatible", + "test,fallback")); + ret = fit_conf_find_compat(fit, fdt); + ut_assert(ret > 0); + ut_asserteq_str("conf-1", fdt_get_name(fit, ret, NULL)); + + return 0; +} +BOOTSTD_TEST(test_fit_conf_find_compat, 0); + /* Test of image phase */ static int test_image_phase(struct unit_test_state *uts) { |