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-rw-r--r--src/flash/nand.c294
1 files changed, 46 insertions, 248 deletions
diff --git a/src/flash/nand.c b/src/flash/nand.c
index 9cc08022..da561f63 100644
--- a/src/flash/nand.c
+++ b/src/flash/nand.c
@@ -1375,13 +1375,13 @@ static int nand_fileio_cleanup(struct nand_fileio_state *state)
}
return ERROR_OK;
}
-int nand_fileio_finish(struct nand_fileio_state *state)
+static int nand_fileio_finish(struct nand_fileio_state *state)
{
nand_fileio_cleanup(state);
return duration_measure(&state->bench);
}
-COMMAND_HELPER(nand_fileio_parse_args, struct nand_fileio_state *state,
+static COMMAND_HELPER(nand_fileio_parse_args, struct nand_fileio_state *state,
struct nand_device **dev, enum fileio_access filemode,
bool need_size, bool sw_ecc)
{
@@ -1449,7 +1449,7 @@ COMMAND_HELPER(nand_fileio_parse_args, struct nand_fileio_state *state,
* @returns If no error occurred, returns number of bytes consumed;
* otherwise, returns a negative error code.)
*/
-int nand_fileio_read(struct nand_device *nand,
+static int nand_fileio_read(struct nand_device *nand,
struct nand_fileio_state *s)
{
uint32_t total_read = 0;
@@ -1503,284 +1503,82 @@ int nand_fileio_read(struct nand_device *nand,
COMMAND_HANDLER(handle_nand_write_command)
{
- uint32_t offset;
- uint32_t binary_size;
- uint32_t buf_cnt;
- enum oob_formats oob_format = NAND_OOB_NONE;
-
- struct fileio fileio;
-
-
- if (argc < 3)
- {
- return ERROR_COMMAND_SYNTAX_ERROR;
- }
-
- struct nand_device *p;
- int retval = nand_command_get_device_by_num(cmd_ctx, args[0], &p);
+ struct nand_device *nand = NULL;
+ struct nand_fileio_state s;
+ int retval = CALL_COMMAND_HANDLER(nand_fileio_parse_args,
+ &s, &nand, FILEIO_READ, false, true);
if (ERROR_OK != retval)
return retval;
- uint8_t *page = NULL;
- uint32_t page_size = 0;
- uint8_t *oob = NULL;
- uint32_t oob_size = 0;
- const int *eccpos = NULL;
-
- COMMAND_PARSE_NUMBER(u32, args[2], offset);
-
- if (argc > 3)
- {
- for (unsigned i = 3; i < argc; i++)
- {
- if (!strcmp(args[i], "oob_raw"))
- oob_format |= NAND_OOB_RAW;
- else if (!strcmp(args[i], "oob_only"))
- oob_format |= NAND_OOB_RAW | NAND_OOB_ONLY;
- else if (!strcmp(args[i], "oob_softecc"))
- oob_format |= NAND_OOB_SW_ECC;
- else if (!strcmp(args[i], "oob_softecc_kw"))
- oob_format |= NAND_OOB_SW_ECC_KW;
- else
- {
- command_print(cmd_ctx, "unknown option: %s", args[i]);
- return ERROR_COMMAND_SYNTAX_ERROR;
- }
- }
- }
-
- struct duration bench;
- duration_start(&bench);
-
- if (fileio_open(&fileio, args[1], FILEIO_READ, FILEIO_BINARY) != ERROR_OK)
- {
- return ERROR_OK;
- }
-
- buf_cnt = binary_size = fileio.size;
-
- if (!(oob_format & NAND_OOB_ONLY))
- {
- page_size = p->page_size;
- page = malloc(p->page_size);
- }
-
- if (oob_format & (NAND_OOB_RAW | NAND_OOB_SW_ECC | NAND_OOB_SW_ECC_KW))
- {
- if (p->page_size == 512) {
- oob_size = 16;
- eccpos = nand_oob_16.eccpos;
- } else if (p->page_size == 2048) {
- oob_size = 64;
- eccpos = nand_oob_64.eccpos;
- }
- oob = malloc(oob_size);
- }
-
- if (offset % p->page_size)
- {
- command_print(cmd_ctx, "only page size aligned offsets and sizes are supported");
- fileio_close(&fileio);
- free(oob);
- free(page);
- return ERROR_OK;
- }
-
- while (buf_cnt > 0)
+ uint32_t total_bytes = s.size;
+ while (s.size > 0)
{
- uint32_t size_read;
-
- if (NULL != page)
+ int bytes_read = nand_fileio_read(nand, &s);
+ if (bytes_read <= 0)
{
- fileio_read(&fileio, page_size, page, &size_read);
- buf_cnt -= size_read;
- if (size_read < page_size)
- {
- memset(page + size_read, 0xff, page_size - size_read);
- }
+ command_print(cmd_ctx, "error while reading file");
+ return nand_fileio_cleanup(&s);
}
+ s.size -= bytes_read;
- if (oob_format & NAND_OOB_SW_ECC)
- {
- uint32_t i, j;
- uint8_t ecc[3];
- memset(oob, 0xff, oob_size);
- for (i = 0, j = 0; i < page_size; i += 256) {
- nand_calculate_ecc(p, page + i, ecc);
- oob[eccpos[j++]] = ecc[0];
- oob[eccpos[j++]] = ecc[1];
- oob[eccpos[j++]] = ecc[2];
- }
- } else if (oob_format & NAND_OOB_SW_ECC_KW)
- {
- /*
- * In this case eccpos is not used as
- * the ECC data is always stored contigously
- * at the end of the OOB area. It consists
- * of 10 bytes per 512-byte data block.
- */
- uint32_t i;
- uint8_t *ecc = oob + oob_size - page_size/512 * 10;
- memset(oob, 0xff, oob_size);
- for (i = 0; i < page_size; i += 512) {
- nand_calculate_ecc_kw(p, page + i, ecc);
- ecc += 10;
- }
- }
- else if (NULL != oob)
+ retval = nand_write_page(nand, s.address / nand->page_size,
+ s.page, s.page_size, s.oob, s.oob_size);
+ if (ERROR_OK != retval)
{
- fileio_read(&fileio, oob_size, oob, &size_read);
- buf_cnt -= size_read;
- if (size_read < oob_size)
- {
- memset(oob + size_read, 0xff, oob_size - size_read);
- }
+ command_print(cmd_ctx, "failed writing file %s "
+ "to NAND flash %s at offset 0x%8.8" PRIx32,
+ args[1], args[0], s.address);
+ return nand_fileio_cleanup(&s);
}
-
- if (nand_write_page(p, offset / p->page_size, page, page_size, oob, oob_size) != ERROR_OK)
- {
- command_print(cmd_ctx, "failed writing file %s to NAND flash %s at offset 0x%8.8" PRIx32 "",
- args[1], args[0], offset);
-
- fileio_close(&fileio);
- free(oob);
- free(page);
-
- return ERROR_OK;
- }
- offset += page_size;
+ s.address += s.page_size;
}
- fileio_close(&fileio);
- free(oob);
- free(page);
- oob = NULL;
- page = NULL;
- if (duration_measure(&bench) == ERROR_OK)
+ if (nand_fileio_finish(&s))
{
- command_print(cmd_ctx, "wrote file %s to NAND flash %s "
- "up to offset 0x%8.8" PRIx32 " in %fs (%0.3f kb/s)",
- args[1], args[0], offset, duration_elapsed(&bench),
- duration_kbps(&bench, fileio.size));
+ command_print(cmd_ctx, "wrote file %s to NAND flash %s up to "
+ "offset 0x%8.8" PRIx32 " in %fs (%0.3f kb/s)",
+ args[1], args[0], s.address, duration_elapsed(&s.bench),
+ duration_kbps(&s.bench, total_bytes));
}
-
return ERROR_OK;
}
COMMAND_HANDLER(handle_nand_dump_command)
{
- if (argc < 4)
- {
- return ERROR_COMMAND_SYNTAX_ERROR;
- }
-
- struct nand_device *p;
- int retval = nand_command_get_device_by_num(cmd_ctx, args[0], &p);
+ struct nand_device *nand = NULL;
+ struct nand_fileio_state s;
+ int retval = CALL_COMMAND_HANDLER(nand_fileio_parse_args,
+ &s, &nand, FILEIO_WRITE, true, false);
if (ERROR_OK != retval)
return retval;
- if (NULL == p->device)
- {
- command_print(cmd_ctx, "#%s: not probed", args[0]);
- return ERROR_OK;
- }
-
- struct fileio fileio;
-
- uint8_t *page = NULL;
- uint32_t page_size = 0;
- uint8_t *oob = NULL;
- uint32_t oob_size = 0;
- uint32_t address;
- COMMAND_PARSE_NUMBER(u32, args[2], address);
- uint32_t size;
- COMMAND_PARSE_NUMBER(u32, args[3], size);
- uint32_t bytes_done = 0;
- enum oob_formats oob_format = NAND_OOB_NONE;
-
- if (argc > 4)
- {
- for (unsigned i = 4; i < argc; i++)
- {
- if (!strcmp(args[i], "oob_raw"))
- oob_format |= NAND_OOB_RAW;
- else if (!strcmp(args[i], "oob_only"))
- oob_format |= NAND_OOB_RAW | NAND_OOB_ONLY;
- else
- command_print(cmd_ctx, "unknown option: '%s'", args[i]);
- }
- }
-
- if ((address % p->page_size) || (size % p->page_size))
- {
- command_print(cmd_ctx, "only page size aligned addresses and sizes are supported");
- return ERROR_OK;
- }
-
- if (!(oob_format & NAND_OOB_ONLY))
- {
- page_size = p->page_size;
- page = malloc(p->page_size);
- }
-
- if (oob_format & NAND_OOB_RAW)
- {
- if (p->page_size == 512)
- oob_size = 16;
- else if (p->page_size == 2048)
- oob_size = 64;
- oob = malloc(oob_size);
- }
-
- if (fileio_open(&fileio, args[1], FILEIO_WRITE, FILEIO_BINARY) != ERROR_OK)
- {
- return ERROR_OK;
- }
-
- struct duration bench;
- duration_start(&bench);
-
- while (size > 0)
+ while (s.size > 0)
{
uint32_t size_written;
- if ((retval = nand_read_page(p, address / p->page_size, page, page_size, oob, oob_size)) != ERROR_OK)
+ int retval = nand_read_page(nand, s.address / nand->page_size,
+ s.page, s.page_size, s.oob, s.oob_size);
+ if (ERROR_OK != retval)
{
command_print(cmd_ctx, "reading NAND flash page failed");
- free(page);
- free(oob);
- fileio_close(&fileio);
- return ERROR_OK;
+ return nand_fileio_cleanup(&s);
}
- if (NULL != page)
- {
- fileio_write(&fileio, page_size, page, &size_written);
- bytes_done += page_size;
- }
+ if (NULL != s.page)
+ fileio_write(&s.fileio, s.page_size, s.page, &size_written);
- if (NULL != oob)
- {
- fileio_write(&fileio, oob_size, oob, &size_written);
- bytes_done += oob_size;
- }
+ if (NULL != s.oob)
+ fileio_write(&s.fileio, s.oob_size, s.oob, &size_written);
- size -= p->page_size;
- address += p->page_size;
+ s.size -= nand->page_size;
+ s.address += nand->page_size;
}
- free(page);
- page = NULL;
- free(oob);
- oob = NULL;
- fileio_close(&fileio);
-
- if (duration_measure(&bench) == ERROR_OK)
+ if (nand_fileio_finish(&s) == ERROR_OK)
{
- command_print(cmd_ctx, "dumped %lld byte in %fs (%0.3f kb/s)",
- fileio.size, duration_elapsed(&bench),
- duration_kbps(&bench, fileio.size));
+ command_print(cmd_ctx, "dumped %lld byte in %fs (%0.3f kb/s)",
+ s.fileio.size, duration_elapsed(&s.bench),
+ duration_kbps(&s.bench, s.fileio.size));
}
-
return ERROR_OK;
}