Make it easier to erase or protect through to the end
of a (NOR) flash chip: allow passing "last" as an alias for the number of the last sector. Improve several aspects of error checking while we're at it. From: Johnny Halfmoon <jhalfmoon@milksnot.com> git-svn-id: svn://svn.berlios.de/openocd/trunk@2746 b42882b7-edfa-0310-969c-e2dbd0fdcd60
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dbrownell
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@ -3187,8 +3187,11 @@ and AT91SAM7 on-chip flash.
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@anchor{flash erase_sector}
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@deffn Command {flash erase_sector} num first last
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Erase sectors in bank @var{num}, starting at sector @var{first} up to and including
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@var{last}. Sector numbering starts at 0.
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Erase sectors in bank @var{num}, starting at sector @var{first}
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up to and including @var{last}.
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Sector numbering starts at 0.
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Providing a @var{last} sector of @option{last}
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specifies "to the end of the flash bank".
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The @var{num} parameter is a value shown by @command{flash banks}.
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@end deffn
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@ -3247,7 +3250,7 @@ and display that status.
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The @var{num} parameter is a value shown by @command{flash banks}.
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This is the only operation that
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updates the erase state information displayed by @option{flash info}. That means you have
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to issue an @command{flash erase_check} command after erasing or programming the device
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to issue a @command{flash erase_check} command after erasing or programming the device
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to get updated information.
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(Code execution may have invalidated any state records kept by OpenOCD.)
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@end deffn
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@ -3259,9 +3262,12 @@ The information includes per-sector protect status.
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@end deffn
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@anchor{flash protect}
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@deffn Command {flash protect} num first last (on|off)
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Enable (@var{on}) or disable (@var{off}) protection of flash sectors
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@var{first} to @var{last} of flash bank @var{num}.
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@deffn Command {flash protect} num first last (@option{on}|@option{off})
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Enable (@option{on}) or disable (@option{off}) protection of flash sectors
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in flash bank @var{num}, starting at sector @var{first}
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and continuing up to and including @var{last}.
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Providing a @var{last} sector of @option{last}
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specifies "to the end of the flash bank".
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The @var{num} parameter is a value shown by @command{flash banks}.
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@end deffn
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@ -559,82 +559,121 @@ static int handle_flash_protect_check_command(struct command_context_s *cmd_ctx,
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return ERROR_OK;
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}
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static int handle_flash_erase_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
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static int flash_check_sector_parameters(struct command_context_s *cmd_ctx,
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uint32_t first, uint32_t last, uint num_sectors)
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{
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if (argc > 2)
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{
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int first = strtoul(args[1], NULL, 0);
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int last = strtoul(args[2], NULL, 0);
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int retval;
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flash_bank_t *p = get_flash_bank_by_num(strtoul(args[0], NULL, 0));
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duration_t duration;
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char *duration_text;
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duration_start_measure(&duration);
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if (!p)
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{
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return ERROR_COMMAND_SYNTAX_ERROR;
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}
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if ((retval = flash_driver_erase(p, first, last)) == ERROR_OK)
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{
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if ((retval = duration_stop_measure(&duration, &duration_text)) != ERROR_OK)
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{
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return retval;
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}
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command_print(cmd_ctx, "erased sectors %i through %i on flash bank %li in %s",
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first, last, strtoul(args[0], 0, 0), duration_text);
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free(duration_text);
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}
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if (!(first <= last)) {
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command_print(cmd_ctx, "ERROR: "
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"first sector must be <= last sector");
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return ERROR_FAIL;
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}
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else
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{
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return ERROR_COMMAND_SYNTAX_ERROR;
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if (!(last <= (num_sectors - 1))) {
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command_print(cmd_ctx, "ERROR: "
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"last sector must be <= %d", num_sectors - 1);
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return ERROR_FAIL;
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}
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return ERROR_OK;
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}
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static int handle_flash_protect_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
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static int handle_flash_erase_command(struct command_context_s *cmd_ctx,
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char *cmd, char **args, int argc)
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{
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if (argc > 2)
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{
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uint32_t bank_nr;
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uint32_t first;
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uint32_t last;
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int retval;
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if ((retval = parse_u32(args[0], &bank_nr)) != ERROR_OK)
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return retval;
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flash_bank_t *p = get_flash_bank_by_num(bank_nr);
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if (!p)
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return ERROR_OK;
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if ((retval = parse_u32(args[1], &first)) != ERROR_OK)
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return retval;
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if (strcmp(args[2], "last") == 0)
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last = p->num_sectors - 1;
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else
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if ((retval = parse_u32(args[2], &last)) != ERROR_OK)
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return retval;
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if ((retval = flash_check_sector_parameters(cmd_ctx,
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first, last, p->num_sectors)) != ERROR_OK)
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return retval;
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duration_t duration;
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char *duration_text;
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duration_start_measure(&duration);
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if ((retval = flash_driver_erase(p, first, last)) == ERROR_OK) {
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if ((retval = duration_stop_measure(&duration,
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&duration_text)) != ERROR_OK)
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return retval;
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command_print(cmd_ctx, "erased sectors %i through %i "
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"on flash bank %i in %s",
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first, last, bank_nr, duration_text);
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free(duration_text);
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}
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}
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else
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return ERROR_COMMAND_SYNTAX_ERROR;
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return ERROR_OK;
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}
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static int handle_flash_protect_command(struct command_context_s *cmd_ctx,
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char *cmd, char **args, int argc)
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{
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if (argc > 3)
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{
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int first = strtoul(args[1], NULL, 0);
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int last = strtoul(args[2], NULL, 0);
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int set;
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uint32_t bank_nr;
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uint32_t first;
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uint32_t last;
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int retval;
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flash_bank_t *p = get_flash_bank_by_num(strtoul(args[0], NULL, 0));
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int set;
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if ((retval = parse_u32(args[0], &bank_nr)) != ERROR_OK)
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return retval;
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flash_bank_t *p = get_flash_bank_by_num(bank_nr);
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if (!p)
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{
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command_print(cmd_ctx, "flash bank '#%s' is out of bounds", args[0]);
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return ERROR_OK;
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}
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if ((retval = parse_u32(args[1], &first)) != ERROR_OK)
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return retval;
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if (strcmp(args[2], "last") == 0)
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last = p->num_sectors - 1;
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else
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if ((retval = parse_u32(args[2], &last)) != ERROR_OK)
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return retval;
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if (strcmp(args[3], "on") == 0)
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set = 1;
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else if (strcmp(args[3], "off") == 0)
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set = 0;
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else
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{
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return ERROR_COMMAND_SYNTAX_ERROR;
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}
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if ((retval = flash_check_sector_parameters(cmd_ctx,
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first, last, p->num_sectors)) != ERROR_OK)
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return retval;
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retval = flash_driver_protect(p, set, first, last);
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if (retval == ERROR_OK)
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{
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command_print(cmd_ctx, "%s protection for sectors %i through %i on flash bank %li",
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if (retval == ERROR_OK) {
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command_print(cmd_ctx, "%s protection for sectors %i "
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"through %i on flash bank %i",
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(set) ? "set" : "cleared", first,
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last, strtoul(args[0], 0, 0));
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last, bank_nr);
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}
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}
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else
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{
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return ERROR_COMMAND_SYNTAX_ERROR;
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}
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return ERROR_OK;
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}
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