diff options
Diffstat (limited to 'tests/lib')
| -rw-r--r-- | tests/lib/memrange-test.c | 25 |
1 files changed, 21 insertions, 4 deletions
diff --git a/tests/lib/memrange-test.c b/tests/lib/memrange-test.c index f99673df5d..e812c74e24 100644 --- a/tests/lib/memrange-test.c +++ b/tests/lib/memrange-test.c @@ -17,11 +17,16 @@ enum mem_types { READONLY_TAG, INSERTED_TAG, HOLE_TAG, + UNASSIGNED_TAG, END_OF_RESOURCES }; /* Indices of entries matters, since it must reflect mem_types enum */ struct resource res_mock_1[] = { + [UNASSIGNED_TAG] = {.base = 0x0, + .size = 0x8000, + .next = &res_mock_1[CACHEABLE_TAG], + .flags = IORESOURCE_MEM | IORESOURCE_PREFETCH}, [CACHEABLE_TAG] = {.base = 0xE000, .size = 0xF2000, .next = &res_mock_1[RESERVED_TAG], @@ -86,7 +91,7 @@ struct device *all_devices = &mock_device; int setup_test_1(void **state) { *state = res_mock_1; - mock_device.resource_list = &res_mock_1[CACHEABLE_TAG]; + mock_device.resource_list = &res_mock_1[UNASSIGNED_TAG]; return 0; } @@ -128,6 +133,12 @@ resource_t get_aligned_end(struct resource *res, struct range_entry *entry) * Example memory ranges (res_mock1) for test_memrange_basic. * Ranges marked with asterisks (***) are not added to the test_memrange. * + * +-------UNASSIGNED_TAG--------+ <-0x0 + * | | + * +-----------------------------+ <-0x8000 + * + * + * * +--------CACHEABLE_TAG--------+ <-0xE000 * | | * | | @@ -152,16 +163,22 @@ static void test_memrange_basic(void **state) int counter = 0; const unsigned long cacheable = IORESOURCE_CACHEABLE; const unsigned long reserved = IORESOURCE_RESERVE; + const unsigned long prefetchable = IORESOURCE_PREFETCH; struct range_entry *ptr; struct memranges test_memrange; struct resource *res_mock = *state; resource_t prev_base = 0; - memranges_init(&test_memrange, cacheable, cacheable, CACHEABLE_TAG); + memranges_init_empty(&test_memrange, NULL, 0); + memranges_add_resources(&test_memrange, prefetchable, prefetchable, UNASSIGNED_TAG); + memranges_add_resources(&test_memrange, cacheable, cacheable, CACHEABLE_TAG); memranges_add_resources(&test_memrange, reserved, reserved, RESERVED_TAG); - /* There should be two entries, since cacheable and - reserved regions are not neighbors */ + /* There should be two entries, since cacheable and reserved regions are not neighbors. + Besides these two, a region with an unassigned tag is defined, to emulate an unmapped + PCI BAR resource. This resource is not mapped into host physical address and hence + should not be picked up by memranges_add_resources().*/ + memranges_each_entry(ptr, &test_memrange) { assert_in_range(range_entry_tag(ptr), CACHEABLE_TAG, RESERVED_TAG); |