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spi_flash tests: Refactor mmap tests to be run in any order

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This commit is contained in:
Angus Gratton 2017-02-20 14:24:08 +11:00
parent 093dd98101
commit 6a2d152086
1 changed files with 48 additions and 17 deletions
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65
components/spi_flash/test/test_mmap.c
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@ -19,33 +19,59 @@ static uint32_t buffer[1024];
static const uint32_t start = 0x100000;
static const uint32_t end = 0x200000;
static spi_flash_mmap_handle_t handle1, handle2, handle3;
TEST_CASE("Prepare data for mmap tests", "[mmap]")
static void setup_mmap_tests()
{
/* clean up any mmap handles left over from failed tests */
if (handle1) {
spi_flash_munmap(handle1);
handle1 = 0;
}
if (handle2) {
spi_flash_munmap(handle2);
handle2 = 0;
}
if (handle3) {
spi_flash_munmap(handle3);
handle3 = 0;
}
/* prepare flash contents */
srand(0);
for (int block = start / 0x10000; block < end / 0x10000; ++block) {
printf("Writing block %d\n", block);
for (int sector = 0; sector < 16; ++sector) {
uint32_t abs_sector = (block) * 16 + sector;
uint32_t sector_offs = abs_sector * SPI_FLASH_SEC_SIZE;
bool sector_needs_write = false;
ESP_ERROR_CHECK( spi_flash_read(sector_offs, buffer, sizeof(buffer)) );
for (uint32_t word = 0; word < 1024; ++word) {
uint32_t val = rand();
if (block == start / 0x10000 && sector == 0 && word == 0) {
printf("first word: %08x\n", val);
printf("setup_mmap_tests(): first prepped word: %08x\n", val);
}
if (buffer[word] != val) {
buffer[word] = val;
sector_needs_write = true;
}
buffer[word] = val;
}
uint32_t abs_sector = (block) * 16 + sector;
printf("Writing sector %d\n", abs_sector);
ESP_ERROR_CHECK( spi_flash_erase_sector((uint16_t) abs_sector) );
ESP_ERROR_CHECK( spi_flash_write(abs_sector * SPI_FLASH_SEC_SIZE, (const uint8_t *) buffer, sizeof(buffer)) );
/* Only rewrite the sector if it has changed */
if (sector_needs_write) {
printf("setup_mmap_tests(): Prepping sector %d\n", abs_sector);
ESP_ERROR_CHECK( spi_flash_erase_sector((uint16_t) abs_sector) );
ESP_ERROR_CHECK( spi_flash_write(sector_offs, (const uint8_t *) buffer, sizeof(buffer)) );
}
}
}
}
TEST_CASE("Can mmap into data address space", "[mmap]")
{
setup_mmap_tests();
printf("Mapping %x (+%x)\n", start, end - start);
spi_flash_mmap_handle_t handle1;
const void *ptr1;
ESP_ERROR_CHECK( spi_flash_mmap(start, end - start, SPI_FLASH_MMAP_DATA, &ptr1, &handle1) );
printf("mmap_res: handle=%d ptr=%p\n", handle1, ptr1);
@ -62,19 +88,16 @@ TEST_CASE("Can mmap into data address space", "[mmap]")
}
}
printf("Mapping %x (+%x)\n", start - 0x10000, 0x20000);
spi_flash_mmap_handle_t handle2;
const void *ptr2;
ESP_ERROR_CHECK( spi_flash_mmap(start - 0x10000, 0x20000, SPI_FLASH_MMAP_DATA, &ptr2, &handle2) );
printf("mmap_res: handle=%d ptr=%p\n", handle2, ptr2);
TEST_ASSERT_EQUAL_HEX32(start - 0x10000, spi_flash_cache2phys(ptr2));
TEST_ASSERT_EQUAL_PTR(ptr2, spi_flash_phys2cache(start - 0x10000, SPI_FLASH_MMAP_DATA));
TEST_ASSERT_EQUAL_PTR((intptr_t)ptr2 + 0x12000, spi_flash_phys2cache(start - 0x10000 + 0x12000, SPI_FLASH_MMAP_DATA));
spi_flash_mmap_dump();
printf("Mapping %x (+%x)\n", start, 0x10000);
spi_flash_mmap_handle_t handle3;
const void *ptr3;
ESP_ERROR_CHECK( spi_flash_mmap(start, 0x10000, SPI_FLASH_MMAP_DATA, &ptr3, &handle3) );
printf("mmap_res: handle=%d ptr=%p\n", handle3, ptr3);
@ -87,25 +110,29 @@ TEST_CASE("Can mmap into data address space", "[mmap]")
printf("Unmapping handle1\n");
spi_flash_munmap(handle1);
handle1 = 0;
spi_flash_mmap_dump();
printf("Unmapping handle2\n");
spi_flash_munmap(handle2);
handle2 = 0;
spi_flash_mmap_dump();
printf("Unmapping handle3\n");
spi_flash_munmap(handle3);
handle3 = 0;
TEST_ASSERT_EQUAL_PTR(NULL, spi_flash_phys2cache(start, SPI_FLASH_MMAP_DATA));
}
TEST_CASE("flash_mmap invalidates just-written data", "[spi_flash]")
{
spi_flash_mmap_handle_t handle1;
const void *ptr1;
const size_t test_size = 128;
setup_mmap_tests();
if (esp_flash_encryption_enabled()) {
TEST_IGNORE_MESSAGE("flash encryption enabled, spi_flash_write_encrypted() test won't pass as-is");
}
@ -123,6 +150,7 @@ TEST_CASE("flash_mmap invalidates just-written data", "[spi_flash]")
/* unmap the erased region */
spi_flash_munmap(handle1);
handle1 = 0;
/* write flash region to 0xEE */
uint8_t buf[test_size];
@ -143,6 +171,7 @@ TEST_CASE("flash_mmap invalidates just-written data", "[spi_flash]")
TEST_ASSERT_EQUAL_HEX8_ARRAY(buf, ptr1, test_size);
spi_flash_munmap(handle1);
handle1 = 0;
}
TEST_CASE("phys2cache/cache2phys basic checks", "[spi_flash]")
@ -180,15 +209,16 @@ TEST_CASE("phys2cache/cache2phys basic checks", "[spi_flash]")
TEST_CASE("mmap consistent with phys2cache/cache2phys", "[spi_flash]")
{
spi_flash_mmap_handle_t handle = 0;
const void *ptr = NULL;
const size_t test_size = 2 * SPI_FLASH_MMU_PAGE_SIZE;
setup_mmap_tests();
TEST_ASSERT_EQUAL_HEX(SPI_FLASH_CACHE2PHYS_FAIL, spi_flash_cache2phys(ptr));
ESP_ERROR_CHECK( spi_flash_mmap(TEST_REGION_START, test_size, SPI_FLASH_MMAP_DATA, &ptr, &handle) );
ESP_ERROR_CHECK( spi_flash_mmap(TEST_REGION_START, test_size, SPI_FLASH_MMAP_DATA, &ptr, &handle1) );
TEST_ASSERT_NOT_NULL(ptr);
TEST_ASSERT_NOT_EQUAL(0, handle);
TEST_ASSERT_NOT_EQUAL(0, handle1);
TEST_ASSERT_EQUAL_HEX(TEST_REGION_START, spi_flash_cache2phys(ptr));
TEST_ASSERT_EQUAL_HEX(TEST_REGION_START + 1024, spi_flash_cache2phys((void *)((intptr_t)ptr + 1024)));
@ -196,7 +226,8 @@ TEST_CASE("mmap consistent with phys2cache/cache2phys", "[spi_flash]")
/* this pointer lands in a different MMU table entry */
TEST_ASSERT_EQUAL_HEX(TEST_REGION_START + test_size - 4, spi_flash_cache2phys((void *)((intptr_t)ptr + test_size - 4)));
spi_flash_munmap(handle);
spi_flash_munmap(handle1);
handle1 = 0;
TEST_ASSERT_EQUAL_HEX(SPI_FLASH_CACHE2PHYS_FAIL, spi_flash_cache2phys(ptr));
}