]> git.sur5r.net Git - openocd/commitdiff
Improve flash indentation.
authorZachary T Welch <zw@superlucidity.net>
Fri, 6 Nov 2009 07:52:03 +0000 (23:52 -0800)
committerZachary T Welch <zw@superlucidity.net>
Fri, 6 Nov 2009 10:52:51 +0000 (02:52 -0800)
Removes redundant tests and reverses backwards logic to reduce the
indentation level in flash.c.

src/flash/flash.c

index b40e074206b1cde8a39a4510accaf80684014e00..329ade6364d0cb39378d4e2ba6baaceea5bcbc7d 100644 (file)
@@ -177,35 +177,35 @@ int flash_init_drivers(struct command_context_s *cmd_ctx)
 {
        register_jim(cmd_ctx, "ocd_flash_banks", jim_flash_banks, "return information about the flash banks");
 
-       if (flash_banks)
-       {
-               register_command(cmd_ctx, flash_cmd, "info", handle_flash_info_command, COMMAND_EXEC,
-                                                "print info about flash bank <num>");
-               register_command(cmd_ctx, flash_cmd, "probe", handle_flash_probe_command, COMMAND_EXEC,
-                                                "identify flash bank <num>");
-               register_command(cmd_ctx, flash_cmd, "erase_check", handle_flash_erase_check_command, COMMAND_EXEC,
-                                                "check erase state of sectors in flash bank <num>");
-               register_command(cmd_ctx, flash_cmd, "protect_check", handle_flash_protect_check_command, COMMAND_EXEC,
-                                                "check protection state of sectors in flash bank <num>");
-               register_command(cmd_ctx, flash_cmd, "erase_sector", handle_flash_erase_command, COMMAND_EXEC,
-                                                "erase sectors at <bank> <first> <last>");
-               register_command(cmd_ctx, flash_cmd, "erase_address", handle_flash_erase_address_command, COMMAND_EXEC,
-                                                "erase address range <address> <length>");
-
-               register_command(cmd_ctx, flash_cmd, "fillw", handle_flash_fill_command, COMMAND_EXEC,
-                                                "fill with pattern (no autoerase) <address> <word_pattern> <count>");
-               register_command(cmd_ctx, flash_cmd, "fillh", handle_flash_fill_command, COMMAND_EXEC,
-                                                "fill with pattern <address> <halfword_pattern> <count>");
-               register_command(cmd_ctx, flash_cmd, "fillb", handle_flash_fill_command, COMMAND_EXEC,
-                                                "fill with pattern <address> <byte_pattern> <count>");
-
-               register_command(cmd_ctx, flash_cmd, "write_bank", handle_flash_write_bank_command, COMMAND_EXEC,
-                                                "write binary data to <bank> <file> <offset>");
-               register_command(cmd_ctx, flash_cmd, "write_image", handle_flash_write_image_command, COMMAND_EXEC,
-                                                "write_image [erase] [unlock] <file> [offset] [type]");
-               register_command(cmd_ctx, flash_cmd, "protect", handle_flash_protect_command, COMMAND_EXEC,
-                                                "set protection of sectors at <bank> <first> <last> <on | off>");
-       }
+       if (!flash_banks)
+               return ERROR_OK;
+
+       register_command(cmd_ctx, flash_cmd, "info", handle_flash_info_command, COMMAND_EXEC,
+                                        "print info about flash bank <num>");
+       register_command(cmd_ctx, flash_cmd, "probe", handle_flash_probe_command, COMMAND_EXEC,
+                                        "identify flash bank <num>");
+       register_command(cmd_ctx, flash_cmd, "erase_check", handle_flash_erase_check_command, COMMAND_EXEC,
+                                        "check erase state of sectors in flash bank <num>");
+       register_command(cmd_ctx, flash_cmd, "protect_check", handle_flash_protect_check_command, COMMAND_EXEC,
+                                        "check protection state of sectors in flash bank <num>");
+       register_command(cmd_ctx, flash_cmd, "erase_sector", handle_flash_erase_command, COMMAND_EXEC,
+                                        "erase sectors at <bank> <first> <last>");
+       register_command(cmd_ctx, flash_cmd, "erase_address", handle_flash_erase_address_command, COMMAND_EXEC,
+                                        "erase address range <address> <length>");
+
+       register_command(cmd_ctx, flash_cmd, "fillw", handle_flash_fill_command, COMMAND_EXEC,
+                                        "fill with pattern (no autoerase) <address> <word_pattern> <count>");
+       register_command(cmd_ctx, flash_cmd, "fillh", handle_flash_fill_command, COMMAND_EXEC,
+                                        "fill with pattern <address> <halfword_pattern> <count>");
+       register_command(cmd_ctx, flash_cmd, "fillb", handle_flash_fill_command, COMMAND_EXEC,
+                                        "fill with pattern <address> <byte_pattern> <count>");
+
+       register_command(cmd_ctx, flash_cmd, "write_bank", handle_flash_write_bank_command, COMMAND_EXEC,
+                                        "write binary data to <bank> <file> <offset>");
+       register_command(cmd_ctx, flash_cmd, "write_image", handle_flash_write_image_command, COMMAND_EXEC,
+                                        "write_image [erase] [unlock] <file> [offset] [type]");
+       register_command(cmd_ctx, flash_cmd, "protect", handle_flash_protect_command, COMMAND_EXEC,
+                                        "set protection of sectors at <bank> <first> <last> <on | off>");
 
        return ERROR_OK;
 }
@@ -292,54 +292,54 @@ static int handle_flash_bank_command(struct command_context_s *cmd_ctx, char *cm
 
        for (i = 0; flash_drivers[i]; i++)
        {
-               if (strcmp(args[0], flash_drivers[i]->name) == 0)
-               {
-                       flash_bank_t *p, *c;
+               if (strcmp(args[0], flash_drivers[i]->name) != 0)
+                       continue;
 
-                       /* register flash specific commands */
-                       if (flash_drivers[i]->register_commands(cmd_ctx) != ERROR_OK)
-                       {
-                               LOG_ERROR("couldn't register '%s' commands", args[0]);
-                               return ERROR_FAIL;
-                       }
+               flash_bank_t *p, *c;
 
-                       c = malloc(sizeof(flash_bank_t));
-                       c->target = target;
-                       c->driver = flash_drivers[i];
-                       c->driver_priv = NULL;
-                       COMMAND_PARSE_NUMBER(u32, args[1], c->base);
-                       COMMAND_PARSE_NUMBER(u32, args[2], c->size);
-                       COMMAND_PARSE_NUMBER(int, args[3], c->chip_width);
-                       COMMAND_PARSE_NUMBER(int, args[4], c->bus_width);
-                       c->num_sectors = 0;
-                       c->sectors = NULL;
-                       c->next = NULL;
-
-                       if ((retval = flash_drivers[i]->flash_bank_command(cmd_ctx, cmd, args, argc, c)) != ERROR_OK)
-                       {
-                               LOG_ERROR("'%s' driver rejected flash bank at 0x%8.8" PRIx32 , args[0], c->base);
-                               free(c);
-                               return retval;
-                       }
+               /* register flash specific commands */
+               if (flash_drivers[i]->register_commands(cmd_ctx) != ERROR_OK)
+               {
+                       LOG_ERROR("couldn't register '%s' commands", args[0]);
+                       return ERROR_FAIL;
+               }
 
-                       /* put flash bank in linked list */
-                       if (flash_banks)
-                       {
-                               int     bank_num = 0;
-                               /* find last flash bank */
-                               for (p = flash_banks; p && p->next; p = p->next) bank_num++;
-                               if (p)
-                                       p->next = c;
-                               c->bank_number = bank_num + 1;
-                       }
-                       else
-                       {
-                               flash_banks = c;
-                               c->bank_number = 0;
-                       }
+               c = malloc(sizeof(flash_bank_t));
+               c->target = target;
+               c->driver = flash_drivers[i];
+               c->driver_priv = NULL;
+               COMMAND_PARSE_NUMBER(u32, args[1], c->base);
+               COMMAND_PARSE_NUMBER(u32, args[2], c->size);
+               COMMAND_PARSE_NUMBER(int, args[3], c->chip_width);
+               COMMAND_PARSE_NUMBER(int, args[4], c->bus_width);
+               c->num_sectors = 0;
+               c->sectors = NULL;
+               c->next = NULL;
+
+               if ((retval = flash_drivers[i]->flash_bank_command(cmd_ctx, cmd, args, argc, c)) != ERROR_OK)
+               {
+                       LOG_ERROR("'%s' driver rejected flash bank at 0x%8.8" PRIx32 , args[0], c->base);
+                       free(c);
+                       return retval;
+               }
 
-                       found = 1;
+               /* put flash bank in linked list */
+               if (flash_banks)
+               {
+                       int     bank_num = 0;
+                       /* find last flash bank */
+                       for (p = flash_banks; p && p->next; p = p->next) bank_num++;
+                       if (p)
+                               p->next = c;
+                       c->bank_number = bank_num + 1;
                }
+               else
+               {
+                       flash_banks = c;
+                       c->bank_number = 0;
+               }
+
+               found = 1;
        }
 
        /* no matching flash driver found */
@@ -367,48 +367,48 @@ static int handle_flash_info_command(struct command_context_s *cmd_ctx, char *cm
 
        for (p = flash_banks; p; p = p->next, i++)
        {
-               if (i == bank_nr)
+               if (i != bank_nr)
+                       continue;
+
+               char buf[1024];
+
+               /* attempt auto probe */
+               if ((retval = p->driver->auto_probe(p)) != ERROR_OK)
+                       return retval;
+
+               command_print(cmd_ctx,
+                             "#%" PRIi32 " : %s at 0x%8.8" PRIx32 ", size 0x%8.8" PRIx32 ", buswidth %i, chipwidth %i",
+                             i,
+                             p->driver->name,
+                             p->base,
+                             p->size,
+                             p->bus_width,
+                             p->chip_width);
+               for (j = 0; j < p->num_sectors; j++)
                {
-                       char buf[1024];
+                       char *protect_state;
 
-                       /* attempt auto probe */
-                       if ((retval = p->driver->auto_probe(p)) != ERROR_OK)
-                               return retval;
+                       if (p->sectors[j].is_protected == 0)
+                               protect_state = "not protected";
+                       else if (p->sectors[j].is_protected == 1)
+                               protect_state = "protected";
+                       else
+                               protect_state = "protection state unknown";
 
                        command_print(cmd_ctx,
-                                     "#%" PRIi32 " : %s at 0x%8.8" PRIx32 ", size 0x%8.8" PRIx32 ", buswidth %i, chipwidth %i",
-                                     i,
-                                     p->driver->name,
-                                     p->base,
-                                     p->size,
-                                     p->bus_width,
-                                     p->chip_width);
-                       for (j = 0; j < p->num_sectors; j++)
-                       {
-                               char *protect_state;
-
-                               if (p->sectors[j].is_protected == 0)
-                                       protect_state = "not protected";
-                               else if (p->sectors[j].is_protected == 1)
-                                       protect_state = "protected";
-                               else
-                                       protect_state = "protection state unknown";
-
-                               command_print(cmd_ctx,
-                                             "\t#%3i: 0x%8.8" PRIx32 " (0x%" PRIx32 " %" PRIi32 "kB) %s",
-                                             j,
-                                             p->sectors[j].offset,
-                                             p->sectors[j].size,
-                                             p->sectors[j].size >> 10,
-                                             protect_state);
-                       }
-
-                       *buf = '\0'; /* initialize buffer, otherwise it migh contain garbage if driver function fails */
-                       retval = p->driver->info(p, buf, sizeof(buf));
-                       command_print(cmd_ctx, "%s", buf);
-                       if (retval != ERROR_OK)
-                               LOG_ERROR("error retrieving flash info (%d)", retval);
+                                     "\t#%3i: 0x%8.8" PRIx32 " (0x%" PRIx32 " %" PRIi32 "kB) %s",
+                                     j,
+                                     p->sectors[j].offset,
+                                     p->sectors[j].size,
+                                     p->sectors[j].size >> 10,
+                                     protect_state);
                }
+
+               *buf = '\0'; /* initialize buffer, otherwise it migh contain garbage if driver function fails */
+               retval = p->driver->info(p, buf, sizeof(buf));
+               command_print(cmd_ctx, "%s", buf);
+               if (retval != ERROR_OK)
+                       LOG_ERROR("error retrieving flash info (%d)", retval);
        }
 
        return ERROR_OK;
@@ -463,38 +463,35 @@ static int handle_flash_erase_check_command(struct command_context_s *cmd_ctx, c
        if (ERROR_OK != retval)
                return retval;
 
-       if (p)
+       int j;
+       if ((retval = p->driver->erase_check(p)) == ERROR_OK)
        {
-               int j;
-               if ((retval = p->driver->erase_check(p)) == ERROR_OK)
-               {
-                       command_print(cmd_ctx, "successfully checked erase state");
-               }
-               else
-               {
-                       command_print(cmd_ctx, "unknown error when checking erase state of flash bank #%s at 0x%8.8" PRIx32,
-                               args[0], p->base);
-               }
+               command_print(cmd_ctx, "successfully checked erase state");
+       }
+       else
+       {
+               command_print(cmd_ctx, "unknown error when checking erase state of flash bank #%s at 0x%8.8" PRIx32,
+                       args[0], p->base);
+       }
 
-               for (j = 0; j < p->num_sectors; j++)
-               {
-                       char *erase_state;
+       for (j = 0; j < p->num_sectors; j++)
+       {
+               char *erase_state;
 
-                       if (p->sectors[j].is_erased == 0)
-                               erase_state = "not erased";
-                       else if (p->sectors[j].is_erased == 1)
-                               erase_state = "erased";
-                       else
-                               erase_state = "erase state unknown";
+               if (p->sectors[j].is_erased == 0)
+                       erase_state = "not erased";
+               else if (p->sectors[j].is_erased == 1)
+                       erase_state = "erased";
+               else
+                       erase_state = "erase state unknown";
 
-                       command_print(cmd_ctx,
-                                     "\t#%3i: 0x%8.8" PRIx32 " (0x%" PRIx32 " %" PRIi32 "kB) %s",
-                                     j,
-                                     p->sectors[j].offset,
-                                     p->sectors[j].size,
-                                     p->sectors[j].size >> 10,
-                                     erase_state);
-               }
+               command_print(cmd_ctx,
+                             "\t#%3i: 0x%8.8" PRIx32 " (0x%" PRIx32 " %" PRIi32 "kB) %s",
+                             j,
+                             p->sectors[j].offset,
+                             p->sectors[j].size,
+                             p->sectors[j].size >> 10,
+                             erase_state);
        }
 
        return ERROR_OK;
@@ -556,21 +553,17 @@ static int handle_flash_protect_check_command(struct command_context_s *cmd_ctx,
        if (ERROR_OK != retval)
                return retval;
 
-       if (p)
+       if ((retval = p->driver->protect_check(p)) == ERROR_OK)
        {
-               int retval;
-               if ((retval = p->driver->protect_check(p)) == ERROR_OK)
-               {
-                       command_print(cmd_ctx, "successfully checked protect state");
-               }
-               else if (retval == ERROR_FLASH_OPERATION_FAILED)
-               {
-                       command_print(cmd_ctx, "checking protection state failed (possibly unsupported) by flash #%s at 0x%8.8" PRIx32, args[0], p->base);
-               }
-               else
-               {
-                       command_print(cmd_ctx, "unknown error when checking protection state of flash bank '#%s' at 0x%8.8" PRIx32, args[0], p->base);
-               }
+               command_print(cmd_ctx, "successfully checked protect state");
+       }
+       else if (retval == ERROR_FLASH_OPERATION_FAILED)
+       {
+               command_print(cmd_ctx, "checking protection state failed (possibly unsupported) by flash #%s at 0x%8.8" PRIx32, args[0], p->base);
+       }
+       else
+       {
+               command_print(cmd_ctx, "unknown error when checking protection state of flash bank '#%s' at 0x%8.8" PRIx32, args[0], p->base);
        }
 
        return ERROR_OK;
@@ -597,45 +590,43 @@ static int flash_check_sector_parameters(struct command_context_s *cmd_ctx,
 static int handle_flash_erase_command(struct command_context_s *cmd_ctx,
                char *cmd, char **args, int argc)
 {
-       if (argc > 2)
-       {
-               uint32_t bank_nr;
-               uint32_t first;
-               uint32_t last;
-
-               COMMAND_PARSE_NUMBER(u32, args[0], bank_nr);
-               flash_bank_t *p = get_flash_bank_by_num(bank_nr);
-               if (!p)
-                       return ERROR_OK;
-
-               COMMAND_PARSE_NUMBER(u32, args[1], first);
-               if (strcmp(args[2], "last") == 0)
-                       last = p->num_sectors - 1;
-               else
-                       COMMAND_PARSE_NUMBER(u32, args[2], last);
+       if (argc != 2)
+               return ERROR_COMMAND_SYNTAX_ERROR;
 
-               int retval;
-               if ((retval = flash_check_sector_parameters(cmd_ctx,
-                               first, last, p->num_sectors)) != ERROR_OK)
-                       return retval;
+       uint32_t bank_nr;
+       uint32_t first;
+       uint32_t last;
 
-               duration_t duration;
-               char *duration_text;
-               duration_start_measure(&duration);
+       COMMAND_PARSE_NUMBER(u32, args[0], bank_nr);
+       flash_bank_t *p = get_flash_bank_by_num(bank_nr);
+       if (!p)
+               return ERROR_OK;
 
-               if ((retval = flash_driver_erase(p, first, last)) == ERROR_OK) {
-                       if ((retval = duration_stop_measure(&duration,
-                                               &duration_text)) != ERROR_OK)
-                               return retval;
-                       command_print(cmd_ctx, "erased sectors %i through %i "
-                                       "on flash bank %i in %s",
-                               (int) first, (int) last, (int) bank_nr,
-                               duration_text);
-                       free(duration_text);
-               }
-       }
+       COMMAND_PARSE_NUMBER(u32, args[1], first);
+       if (strcmp(args[2], "last") == 0)
+               last = p->num_sectors - 1;
        else
-               return ERROR_COMMAND_SYNTAX_ERROR;
+               COMMAND_PARSE_NUMBER(u32, args[2], last);
+
+       int retval;
+       if ((retval = flash_check_sector_parameters(cmd_ctx,
+                       first, last, p->num_sectors)) != ERROR_OK)
+               return retval;
+
+       duration_t duration;
+       char *duration_text;
+       duration_start_measure(&duration);
+
+       if ((retval = flash_driver_erase(p, first, last)) == ERROR_OK) {
+               if ((retval = duration_stop_measure(&duration,
+                                       &duration_text)) != ERROR_OK)
+                       return retval;
+               command_print(cmd_ctx, "erased sectors %i through %i "
+                               "on flash bank %i in %s",
+                       (int) first, (int) last, (int) bank_nr,
+                       duration_text);
+               free(duration_text);
+       }
 
        return ERROR_OK;
 }
@@ -643,47 +634,45 @@ static int handle_flash_erase_command(struct command_context_s *cmd_ctx,
 static int handle_flash_protect_command(struct command_context_s *cmd_ctx,
                char *cmd, char **args, int argc)
 {
-       if (argc > 3)
-       {
-               uint32_t bank_nr;
-               uint32_t first;
-               uint32_t last;
-               int set;
-
-               COMMAND_PARSE_NUMBER(u32, args[0], bank_nr);
-               flash_bank_t *p = get_flash_bank_by_num(bank_nr);
-               if (!p)
-                       return ERROR_OK;
-
-               COMMAND_PARSE_NUMBER(u32, args[1], first);
-               if (strcmp(args[2], "last") == 0)
-                       last = p->num_sectors - 1;
-               else
-                       COMMAND_PARSE_NUMBER(u32, args[2], last);
+       if (argc != 3)
+               return ERROR_COMMAND_SYNTAX_ERROR;
 
-               if (strcmp(args[3], "on") == 0)
-                       set = 1;
-               else if (strcmp(args[3], "off") == 0)
-                       set = 0;
-               else
-                       return ERROR_COMMAND_SYNTAX_ERROR;
+       uint32_t bank_nr;
+       uint32_t first;
+       uint32_t last;
+       int set;
 
-               int retval;
-               if ((retval = flash_check_sector_parameters(cmd_ctx,
-                               first, last, p->num_sectors)) != ERROR_OK)
-                       return retval;
+       COMMAND_PARSE_NUMBER(u32, args[0], bank_nr);
+       flash_bank_t *p = get_flash_bank_by_num(bank_nr);
+       if (!p)
+               return ERROR_OK;
 
-               retval = flash_driver_protect(p, set, first, last);
-               if (retval == ERROR_OK) {
-                       command_print(cmd_ctx, "%s protection for sectors %i "
-                                       "through %i on flash bank %i",
-                               (set) ? "set" : "cleared", (int) first,
-                               (int) last, (int) bank_nr);
-               }
-       }
+       COMMAND_PARSE_NUMBER(u32, args[1], first);
+       if (strcmp(args[2], "last") == 0)
+               last = p->num_sectors - 1;
+       else
+               COMMAND_PARSE_NUMBER(u32, args[2], last);
+
+       if (strcmp(args[3], "on") == 0)
+               set = 1;
+       else if (strcmp(args[3], "off") == 0)
+               set = 0;
        else
                return ERROR_COMMAND_SYNTAX_ERROR;
 
+       int retval;
+       if ((retval = flash_check_sector_parameters(cmd_ctx,
+                       first, last, p->num_sectors)) != ERROR_OK)
+               return retval;
+
+       retval = flash_driver_protect(p, set, first, last);
+       if (retval == ERROR_OK) {
+               command_print(cmd_ctx, "%s protection for sectors %i "
+                               "through %i on flash bank %i",
+                       (set) ? "set" : "cleared", (int) first,
+                       (int) last, (int) bank_nr);
+       }
+
        return ERROR_OK;
 }