ARMmbed
/
mbed-os
mirror of https://github.com/ARMmbed/mbed-os.git
1
0
Fork 0
Code Issues Projects Releases Wiki Activity

Prevent sector-unaligned erase

pull/7952/head
Offir Kochalsky 2018-09-02 09:12:55 +03:00
parent 1eab0723ba
commit b71db496ba
3 changed files with 49 additions and 53 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

19
components/storage/blockdevice/COMPONENT_SPIF/SPIFBlockDevice.cpp
View File

@ -339,12 +339,22 @@ int SPIFBlockDevice::erase(bd_addr_t addr, bd_size_t in_size)
int size = (int)in_size;
bool erase_failed = false;
int status = SPIF_BD_ERROR_OK;
// Find region of erased address
// Find region of erased address
int region = _utils_find_addr_region(addr);
// Erase Types of selected region
uint8_t bitfield = _region_erase_types_bitfield[region];
tr_error("DEBUG: erase - addr: %llu, in_size: %llu", addr, in_size);
tr_info("DEBUG: erase - addr: %llu, in_size: %llu", addr, in_size);
if ((addr + in_size) > _device_size_bytes) {
tr_error("ERROR: erase exceeds flash device size");
return SPIF_BD_ERROR_INVALID_ERASE_PARAMS;
}
if ( ((addr % get_erase_size(addr)) != 0 ) || (((addr + in_size) % get_erase_size(addr + in_size - 1)) != 0 ) ) {
tr_error("ERROR: invalid erase - unaligned address and size");
return SPIF_BD_ERROR_INVALID_ERASE_PARAMS;
}
// For each iteration erase the largest section supported by current region
while (size > 0) {
@ -353,13 +363,12 @@ int SPIFBlockDevice::erase(bd_addr_t addr, bd_size_t in_size)
// find the matching instruction and erase size chunk for that type.
type = _utils_iterate_next_largest_erase_type(bitfield, size, (unsigned int)addr, _region_high_boundary[region]);
cur_erase_inst = _erase_type_inst_arr[type];
//chunk = _erase_type_size_arr[type];
offset = addr % _erase_type_size_arr[type];
chunk = ( (offset + size) < _erase_type_size_arr[type]) ? size : (_erase_type_size_arr[type] - offset);
tr_error("DEBUG: erase - addr: %llu, size:%d, Inst: 0x%xh, chunk: %lu , ",
tr_debug("DEBUG: erase - addr: %llu, size:%d, Inst: 0x%xh, chunk: %lu , ",
addr, size, cur_erase_inst, chunk);
tr_error("DEBUG: erase - Region: %d, Type:%d",
tr_debug("DEBUG: erase - Region: %d, Type:%d",
region, type);
_mutex->lock();

12
components/storage/blockdevice/COMPONENT_SPIF/SPIFBlockDevice.h
View File

@ -25,11 +25,12 @@
* @enum spif_bd_error
*/
enum spif_bd_error {
SPIF_BD_ERROR_OK = 0, /*!< no error */
SPIF_BD_ERROR_DEVICE_ERROR = BD_ERROR_DEVICE_ERROR, /*!< device specific error -4001 */
SPIF_BD_ERROR_PARSING_FAILED = -4002, /* SFDP Parsing failed */
SPIF_BD_ERROR_READY_FAILED = -4003, /* Wait for Mem Ready failed */
SPIF_BD_ERROR_WREN_FAILED = -4004, /* Write Enable Failed */
SPIF_BD_ERROR_OK = 0, /*!< no error */
SPIF_BD_ERROR_DEVICE_ERROR = BD_ERROR_DEVICE_ERROR, /*!< device specific error -4001 */
SPIF_BD_ERROR_PARSING_FAILED = -4002, /* SFDP Parsing failed */
SPIF_BD_ERROR_READY_FAILED = -4003, /* Wait for Mem Ready failed */
SPIF_BD_ERROR_WREN_FAILED = -4004, /* Write Enable Failed */
SPIF_BD_ERROR_INVALID_ERASE_PARAMS = -4005, /* Erase command not on sector aligned addresses or exceeds device size */
};
@ -136,6 +137,7 @@ public:
* SPIF_BD_ERROR_DEVICE_ERROR - device driver transaction failed
* SPIF_BD_ERROR_READY_FAILED - Waiting for Memory ready failed or timed out
* SPIF_BD_ERROR_WREN_FAILED - Write Enable failed
* SPIF_BD_ERROR_INVALID_ERASE_PARAMS - Trying to erase unaligned address or size
*/
virtual int erase(bd_addr_t addr, bd_size_t size);

71
components/storage/blockdevice/COMPONENT_SPIF/TESTS/block_device/spif/main.cpp
View File

@ -131,9 +131,9 @@ end:
delete[] read_block;
}
void test_spif_unaligned_program()
void test_spif_unaligned_erase()
{
utest_printf("\nTest Unaligned Program Starts..\n");
utest_printf("\nTest Unaligned Erase Starts..\n");
SPIFBlockDevice blockD(MBED_CONF_SPIF_DRIVER_SPI_MOSI, MBED_CONF_SPIF_DRIVER_SPI_MISO, MBED_CONF_SPIF_DRIVER_SPI_CLK,
MBED_CONF_SPIF_DRIVER_SPI_CS);
@ -153,57 +153,42 @@ void test_spif_unaligned_program()
}
}
bd_size_t block_size = blockD.get_erase_size();
bd_addr_t addr = 0;
bd_size_t sector_erase_size = blockD.get_erase_size(addr);
unsigned addrwidth = ceil(log(float(blockD.size() - 1)) / log(float(16))) + 1;
uint8_t *write_block = new (std::nothrow) uint8_t[block_size];
uint8_t *read_block = new (std::nothrow) uint8_t[block_size];
if (!write_block || !read_block ) {
utest_printf("\n Not enough memory for test");
goto end;
}
utest_printf("\ntest %0*llx:%llu...", addrwidth, addr, sector_erase_size);
{
bd_addr_t block = (rand() * block_size) % blockD.size() + 1;
//unaligned start address
addr += 1;
err = blockD.erase(addr, sector_erase_size - 1);
TEST_ASSERT_EQUAL(SPIF_BD_ERROR_INVALID_ERASE_PARAMS, err);
// Use next random number as temporary seed to keep
// the address progressing in the pseudorandom sequence
unsigned seed = rand();
err = blockD.erase(addr, sector_erase_size);
TEST_ASSERT_EQUAL(SPIF_BD_ERROR_INVALID_ERASE_PARAMS, err);
// Fill with random sequence
srand(seed);
for (bd_size_t i_ind = 0; i_ind < block_size; i_ind++) {
write_block[i_ind] = 0xff & rand();
}
err = blockD.erase(addr, 1);
TEST_ASSERT_EQUAL(SPIF_BD_ERROR_INVALID_ERASE_PARAMS, err);
// Write, sync, and read the block
utest_printf("\ntest %0*llx:%llu...", addrwidth, block, block_size);
//unaligned end address
addr = 0;
err = blockD.erase(block, block_size);
TEST_ASSERT_EQUAL(0, err);
err = blockD.erase(addr, 1);
TEST_ASSERT_EQUAL(SPIF_BD_ERROR_INVALID_ERASE_PARAMS, err);
//err = blockD.erase(block+4096, block_size);
//TEST_ASSERT_EQUAL(0, err);
err = blockD.erase(addr, sector_erase_size + 1);
TEST_ASSERT_EQUAL(SPIF_BD_ERROR_INVALID_ERASE_PARAMS, err);
err = blockD.program(write_block, block, block_size);
TEST_ASSERT_EQUAL(0, err);
//erase size exceeds flash device size
err = blockD.erase(addr, blockD.size() + 1);
TEST_ASSERT_EQUAL(SPIF_BD_ERROR_INVALID_ERASE_PARAMS, err);
err = blockD.read(read_block, block, block_size);
TEST_ASSERT_EQUAL(0, err);
// Valid erase
err = blockD.erase(addr, sector_erase_size);
TEST_ASSERT_EQUAL(SPIF_BD_ERROR_OK, err);
// Check that the data was unmodified
srand(seed);
for (bd_size_t i_ind = 0; i_ind < block_size; i_ind++) {
//printf("index %d\n", i_ind);
TEST_ASSERT_EQUAL(0xff & rand(), read_block[i_ind]);
}
err = blockD.deinit();
TEST_ASSERT_EQUAL(0, err);
}
end:
delete[] write_block;
delete[] read_block;
err = blockD.deinit();
TEST_ASSERT_EQUAL(0, err);
}
static void test_spif_thread_job(void *vBlockD/*, int thread_num*/)
@ -282,7 +267,7 @@ utest::v1::status_t test_setup(const size_t number_of_cases)
}
Case cases[] = {
Case("Testing unaligned program blocks", test_spif_unaligned_program),
Case("Testing unaligned erase blocks", test_spif_unaligned_erase),
Case("Testing read write random blocks", test_spif_random_program_read_erase),
Case("Testing Multi Threads Erase Program Read", test_spif_multi_threads)
};