1 /***************************************************************************
2 * Copyright (C) 2005 by Dominic Rath *
3 * Dominic.Rath@gmx.de *
5 * Copyright (C) 2007,2008 Øyvind Harboe *
6 * oyvind.harboe@zylin.com *
8 * Copyright (C) 2008 by Spencer Oliver *
9 * spen@spen-soft.co.uk *
11 * This program is free software; you can redistribute it and/or modify *
12 * it under the terms of the GNU General Public License as published by *
13 * the Free Software Foundation; either version 2 of the License, or *
14 * (at your option) any later version. *
16 * This program is distributed in the hope that it will be useful, *
17 * but WITHOUT ANY WARRANTY; without even the implied warranty of *
18 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
19 * GNU General Public License for more details. *
21 * You should have received a copy of the GNU General Public License *
22 * along with this program; if not, write to the *
23 * Free Software Foundation, Inc., *
24 * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. *
25 ***************************************************************************/
33 #include "time_support.h"
38 #include "algorithm.h"
39 #include "binarybuffer.h"
45 #include <sys/types.h>
50 /* command handlers */
51 int handle_flash_bank_command(struct command_context_s
*cmd_ctx
, char *cmd
, char **args
, int argc
);
52 int handle_flash_info_command(struct command_context_s
*cmd_ctx
, char *cmd
, char **args
, int argc
);
53 int handle_flash_probe_command(struct command_context_s
*cmd_ctx
, char *cmd
, char **args
, int argc
);
54 int handle_flash_erase_check_command(struct command_context_s
*cmd_ctx
, char *cmd
, char **args
, int argc
);
55 int handle_flash_erase_address_command(struct command_context_s
*cmd_ctx
, char *cmd
, char **args
, int argc
);
56 int handle_flash_protect_check_command(struct command_context_s
*cmd_ctx
, char *cmd
, char **args
, int argc
);
57 int handle_flash_erase_command(struct command_context_s
*cmd_ctx
, char *cmd
, char **args
, int argc
);
58 int handle_flash_write_command(struct command_context_s
*cmd_ctx
, char *cmd
, char **args
, int argc
);
59 int handle_flash_write_bank_command(struct command_context_s
*cmd_ctx
, char *cmd
, char **args
, int argc
);
60 int handle_flash_write_image_command(struct command_context_s
*cmd_ctx
, char *cmd
, char **args
, int argc
);
61 int handle_flash_fill_command(struct command_context_s
*cmd_ctx
, char *cmd
, char **args
, int argc
);
62 int handle_flash_protect_command(struct command_context_s
*cmd_ctx
, char *cmd
, char **args
, int argc
);
63 flash_bank_t
*get_flash_bank_by_addr(target_t
*target
, u32 addr
);
67 extern flash_driver_t lpc2000_flash
;
68 extern flash_driver_t cfi_flash
;
69 extern flash_driver_t at91sam7_flash
;
70 extern flash_driver_t at91sam7_old_flash
;
71 extern flash_driver_t str7x_flash
;
72 extern flash_driver_t str9x_flash
;
73 extern flash_driver_t aduc702x_flash
;
74 extern flash_driver_t stellaris_flash
;
75 extern flash_driver_t str9xpec_flash
;
76 extern flash_driver_t stm32x_flash
;
77 extern flash_driver_t tms470_flash
;
78 extern flash_driver_t ecosflash_flash
;
79 extern flash_driver_t lpc288x_flash
;
80 extern flash_driver_t ocl_flash
;
82 flash_driver_t
*flash_drivers
[] = {
100 flash_bank_t
*flash_banks
;
101 static command_t
*flash_cmd
;
103 /* wafer thin wrapper for invoking the flash driver */
104 static int flash_driver_write(struct flash_bank_s
*bank
, u8
*buffer
, u32 offset
, u32 count
)
108 retval
=bank
->driver
->write(bank
, buffer
, offset
, count
);
109 if (retval
!=ERROR_OK
)
111 LOG_ERROR("error writing to flash at address 0x%08x at offset 0x%8.8x (%d)", bank
->base
, offset
, retval
);
117 static int flash_driver_erase(struct flash_bank_s
*bank
, int first
, int last
)
121 retval
=bank
->driver
->erase(bank
, first
, last
);
122 if (retval
!=ERROR_OK
)
124 LOG_ERROR("failed erasing sectors %d to %d (%d)", first
, last
, retval
);
130 int flash_driver_protect(struct flash_bank_s
*bank
, int set
, int first
, int last
)
134 retval
=bank
->driver
->protect(bank
, set
, first
, last
);
135 if (retval
!=ERROR_OK
)
137 LOG_ERROR("failed setting protection for areas %d to %d (%d)", first
, last
, retval
);
143 int flash_register_commands(struct command_context_s
*cmd_ctx
)
145 flash_cmd
= register_command(cmd_ctx
, NULL
, "flash", NULL
, COMMAND_ANY
, NULL
);
147 register_command(cmd_ctx
, flash_cmd
, "bank", handle_flash_bank_command
, COMMAND_CONFIG
, "flash_bank <driver> <base> <size> <chip_width> <bus_width> <target> [driver_options ...]");
151 static int jim_flash_banks(Jim_Interp
*interp
, int argc
, Jim_Obj
*const *argv
)
156 Jim_WrongNumArgs(interp
, 1, argv
, "no arguments to flash_banks command");
165 Jim_Obj
*list
=Jim_NewListObj(interp
, NULL
, 0);
166 for (p
= flash_banks
; p
; p
= p
->next
)
168 Jim_Obj
*elem
=Jim_NewListObj(interp
, NULL
, 0);
170 Jim_ListAppendElement(interp
, elem
, Jim_NewStringObj(interp
, "name", -1));
171 Jim_ListAppendElement(interp
, elem
, Jim_NewStringObj(interp
, p
->driver
->name
, -1));
172 Jim_ListAppendElement(interp
, elem
, Jim_NewStringObj(interp
, "base", -1));
173 Jim_ListAppendElement(interp
, elem
, Jim_NewIntObj(interp
, p
->base
));
174 Jim_ListAppendElement(interp
, elem
, Jim_NewStringObj(interp
, "size", -1));
175 Jim_ListAppendElement(interp
, elem
, Jim_NewIntObj(interp
, p
->size
));
176 Jim_ListAppendElement(interp
, elem
, Jim_NewStringObj(interp
, "bus_width", -1));
177 Jim_ListAppendElement(interp
, elem
, Jim_NewIntObj(interp
, p
->bus_width
));
178 Jim_ListAppendElement(interp
, elem
, Jim_NewStringObj(interp
, "chip_width", -1));
179 Jim_ListAppendElement(interp
, elem
, Jim_NewIntObj(interp
, p
->chip_width
));
181 Jim_ListAppendElement(interp
, list
, elem
);
184 Jim_SetResult(interp
, list
);
189 int flash_init_drivers(struct command_context_s
*cmd_ctx
)
193 register_jim(cmd_ctx
, "ocd_flash_banks", jim_flash_banks
, "return information about the flash banks");
195 register_command(cmd_ctx
, flash_cmd
, "info", handle_flash_info_command
, COMMAND_EXEC
,
196 "print info about flash bank <num>");
197 register_command(cmd_ctx
, flash_cmd
, "probe", handle_flash_probe_command
, COMMAND_EXEC
,
198 "identify flash bank <num>");
199 register_command(cmd_ctx
, flash_cmd
, "erase_check", handle_flash_erase_check_command
, COMMAND_EXEC
,
200 "check erase state of sectors in flash bank <num>");
201 register_command(cmd_ctx
, flash_cmd
, "protect_check", handle_flash_protect_check_command
, COMMAND_EXEC
,
202 "check protection state of sectors in flash bank <num>");
203 register_command(cmd_ctx
, flash_cmd
, "erase_sector", handle_flash_erase_command
, COMMAND_EXEC
,
204 "erase sectors at <bank> <first> <last>");
205 register_command(cmd_ctx
, flash_cmd
, "erase_address", handle_flash_erase_address_command
, COMMAND_EXEC
,
206 "erase address range <address> <length>");
208 register_command(cmd_ctx
, flash_cmd
, "fillw", handle_flash_fill_command
, COMMAND_EXEC
,
209 "fill with pattern <address> <word_pattern> <count>");
210 register_command(cmd_ctx
, flash_cmd
, "fillh", handle_flash_fill_command
, COMMAND_EXEC
,
211 "fill with pattern <address> <halfword_pattern> <count>");
212 register_command(cmd_ctx
, flash_cmd
, "fillb", handle_flash_fill_command
, COMMAND_EXEC
,
213 "fill with pattern <address> <byte_pattern> <count>");
215 register_command(cmd_ctx
, flash_cmd
, "write_bank", handle_flash_write_bank_command
, COMMAND_EXEC
,
216 "write binary data to <bank> <file> <offset>");
217 register_command(cmd_ctx
, flash_cmd
, "write_image", handle_flash_write_image_command
, COMMAND_EXEC
,
218 "write_image [erase] <file> [offset] [type]");
219 register_command(cmd_ctx
, flash_cmd
, "protect", handle_flash_protect_command
, COMMAND_EXEC
,
220 "set protection of sectors at <bank> <first> <last> <on|off>");
226 flash_bank_t
*get_flash_bank_by_num_noprobe(int num
)
231 for (p
= flash_banks
; p
; p
= p
->next
)
238 LOG_ERROR("flash bank %d does not exist", num
);
242 int flash_get_bank_count(void)
246 for (p
= flash_banks
; p
; p
= p
->next
)
253 flash_bank_t
*get_flash_bank_by_num(int num
)
255 flash_bank_t
*p
= get_flash_bank_by_num_noprobe(num
);
261 retval
= p
->driver
->auto_probe(p
);
263 if (retval
!= ERROR_OK
)
265 LOG_ERROR("auto_probe failed %d\n", retval
);
271 int handle_flash_bank_command(struct command_context_s
*cmd_ctx
, char *cmd
, char **args
, int argc
)
280 return ERROR_COMMAND_SYNTAX_ERROR
;
283 if ((target
= get_target_by_num(strtoul(args
[5], NULL
, 0))) == NULL
)
285 LOG_ERROR("target %lu not defined", strtoul(args
[5], NULL
, 0));
289 for (i
= 0; flash_drivers
[i
]; i
++)
291 if (strcmp(args
[0], flash_drivers
[i
]->name
) == 0)
295 /* register flash specific commands */
296 if (flash_drivers
[i
]->register_commands(cmd_ctx
) != ERROR_OK
)
298 LOG_ERROR("couldn't register '%s' commands", args
[0]);
302 c
= malloc(sizeof(flash_bank_t
));
304 c
->driver
= flash_drivers
[i
];
305 c
->driver_priv
= NULL
;
306 c
->base
= strtoul(args
[1], NULL
, 0);
307 c
->size
= strtoul(args
[2], NULL
, 0);
308 c
->chip_width
= strtoul(args
[3], NULL
, 0);
309 c
->bus_width
= strtoul(args
[4], NULL
, 0);
314 if ((retval
=flash_drivers
[i
]->flash_bank_command(cmd_ctx
, cmd
, args
, argc
, c
)) != ERROR_OK
)
316 LOG_ERROR("'%s' driver rejected flash bank at 0x%8.8x", args
[0], c
->base
);
321 /* put flash bank in linked list */
324 /* find last flash bank */
325 for (p
= flash_banks
; p
&& p
->next
; p
= p
->next
);
338 /* no matching flash driver found */
341 LOG_ERROR("flash driver '%s' not found", args
[0]);
348 int handle_flash_info_command(struct command_context_s
*cmd_ctx
, char *cmd
, char **args
, int argc
)
357 return ERROR_COMMAND_SYNTAX_ERROR
;
360 for (p
= flash_banks
; p
; p
= p
->next
, i
++)
362 if (i
== strtoul(args
[0], NULL
, 0))
366 /* attempt auto probe */
367 if ((retval
= p
->driver
->auto_probe(p
)) != ERROR_OK
)
370 command_print(cmd_ctx
, "#%i: %s at 0x%8.8x, size 0x%8.8x, buswidth %i, chipwidth %i",
371 i
, p
->driver
->name
, p
->base
, p
->size
, p
->bus_width
, p
->chip_width
);
372 for (j
= 0; j
< p
->num_sectors
; j
++)
376 if (p
->sectors
[j
].is_protected
== 0)
377 protect_state
= "not protected";
378 else if (p
->sectors
[j
].is_protected
== 1)
379 protect_state
= "protected";
381 protect_state
= "protection state unknown";
383 command_print(cmd_ctx
, "\t#%3i: 0x%8.8x (0x%x %ikB) %s",
384 j
, p
->sectors
[j
].offset
, p
->sectors
[j
].size
, p
->sectors
[j
].size
>>10,
388 *buf
= '\0'; /* initialize buffer, otherwise it migh contain garbage if driver function fails */
389 retval
= p
->driver
->info(p
, buf
, sizeof(buf
));
390 command_print(cmd_ctx
, "%s", buf
);
391 if (retval
!= ERROR_OK
)
392 LOG_ERROR("error retrieving flash info (%d)", retval
);
399 int handle_flash_probe_command(struct command_context_s
*cmd_ctx
, char *cmd
, char **args
, int argc
)
406 return ERROR_COMMAND_SYNTAX_ERROR
;
409 p
= get_flash_bank_by_num_noprobe(strtoul(args
[0], NULL
, 0));
412 if ((retval
= p
->driver
->probe(p
)) == ERROR_OK
)
414 command_print(cmd_ctx
, "flash '%s' found at 0x%8.8x", p
->driver
->name
, p
->base
);
416 else if (retval
== ERROR_FLASH_BANK_INVALID
)
418 command_print(cmd_ctx
, "probing failed for flash bank '#%s' at 0x%8.8x",
423 command_print(cmd_ctx
, "unknown error when probing flash bank '#%s' at 0x%8.8x",
429 command_print(cmd_ctx
, "flash bank '#%s' is out of bounds", args
[0]);
435 int handle_flash_erase_check_command(struct command_context_s
*cmd_ctx
, char *cmd
, char **args
, int argc
)
442 return ERROR_COMMAND_SYNTAX_ERROR
;
445 p
= get_flash_bank_by_num(strtoul(args
[0], NULL
, 0));
449 if ((retval
= p
->driver
->erase_check(p
)) == ERROR_OK
)
451 command_print(cmd_ctx
, "successfully checked erase state", p
->driver
->name
, p
->base
);
455 command_print(cmd_ctx
, "unknown error when checking erase state of flash bank #%s at 0x%8.8x",
459 for (j
= 0; j
< p
->num_sectors
; j
++)
463 if (p
->sectors
[j
].is_erased
== 0)
464 erase_state
= "not erased";
465 else if (p
->sectors
[j
].is_erased
== 1)
466 erase_state
= "erased";
468 erase_state
= "erase state unknown";
470 command_print(cmd_ctx
, "\t#%3i: 0x%8.8x (0x%x %ikB) %s",
471 j
, p
->sectors
[j
].offset
, p
->sectors
[j
].size
, p
->sectors
[j
].size
>>10,
480 int handle_flash_erase_address_command(struct command_context_s
*cmd_ctx
, char *cmd
, char **args
, int argc
)
489 target_t
*target
= get_current_target(cmd_ctx
);
493 return ERROR_COMMAND_SYNTAX_ERROR
;
496 address
= strtoul(args
[0], NULL
, 0);
497 length
= strtoul(args
[1], NULL
, 0);
500 command_print(cmd_ctx
, "Length must be >0");
501 return ERROR_COMMAND_SYNTAX_ERROR
;
504 p
= get_flash_bank_by_addr(target
, address
);
510 /* We can't know if we did a resume + halt, in which case we no longer know the erased state */
513 duration_start_measure(&duration
);
515 if ((retval
= flash_erase_address_range(target
, address
, length
)) == ERROR_OK
)
517 duration_stop_measure(&duration
, &duration_text
);
518 command_print(cmd_ctx
, "erased address 0x%8.8x length %i in %s", address
, length
, duration_text
);
525 int handle_flash_protect_check_command(struct command_context_s
*cmd_ctx
, char *cmd
, char **args
, int argc
)
532 return ERROR_COMMAND_SYNTAX_ERROR
;
535 p
= get_flash_bank_by_num(strtoul(args
[0], NULL
, 0));
538 if ((retval
= p
->driver
->protect_check(p
)) == ERROR_OK
)
540 command_print(cmd_ctx
, "successfully checked protect state");
542 else if (retval
== ERROR_FLASH_OPERATION_FAILED
)
544 command_print(cmd_ctx
, "checking protection state failed (possibly unsupported) by flash #%s at 0x%8.8x", args
[0], p
->base
);
548 command_print(cmd_ctx
, "unknown error when checking protection state of flash bank '#%s' at 0x%8.8x", args
[0], p
->base
);
553 return ERROR_COMMAND_SYNTAX_ERROR
;
559 int handle_flash_erase_command(struct command_context_s
*cmd_ctx
, char *cmd
, char **args
, int argc
)
563 int first
= strtoul(args
[1], NULL
, 0);
564 int last
= strtoul(args
[2], NULL
, 0);
566 flash_bank_t
*p
= get_flash_bank_by_num(strtoul(args
[0], NULL
, 0));
570 duration_start_measure(&duration
);
574 return ERROR_COMMAND_SYNTAX_ERROR
;
577 if ((retval
= flash_driver_erase(p
, first
, last
)) == ERROR_OK
)
579 duration_stop_measure(&duration
, &duration_text
);
581 command_print(cmd_ctx
, "erased sectors %i through %i on flash bank %i in %s", first
, last
, strtoul(args
[0], 0, 0), duration_text
);
587 return ERROR_COMMAND_SYNTAX_ERROR
;
593 int handle_flash_protect_command(struct command_context_s
*cmd_ctx
, char *cmd
, char **args
, int argc
)
597 int first
= strtoul(args
[1], NULL
, 0);
598 int last
= strtoul(args
[2], NULL
, 0);
601 flash_bank_t
*p
= get_flash_bank_by_num(strtoul(args
[0], NULL
, 0));
604 command_print(cmd_ctx
, "flash bank '#%s' is out of bounds", args
[0]);
608 if (strcmp(args
[3], "on") == 0)
610 else if (strcmp(args
[3], "off") == 0)
614 return ERROR_COMMAND_SYNTAX_ERROR
;
617 retval
= flash_driver_protect(p
, set
, first
, last
);
618 if (retval
== ERROR_OK
)
620 command_print(cmd_ctx
, "%s protection for sectors %i through %i on flash bank %i", (set
) ? "set" : "cleared", first
, last
, strtoul(args
[0], 0, 0));
625 return ERROR_COMMAND_SYNTAX_ERROR
;
632 int handle_flash_write_image_command(struct command_context_s
*cmd_ctx
, char *cmd
, char **args
, int argc
)
634 target_t
*target
= get_current_target(cmd_ctx
);
646 return ERROR_COMMAND_SYNTAX_ERROR
;
649 /* flash auto-erase is disabled by default*/
652 if (strcmp(args
[0], "erase")==0)
657 command_print(cmd_ctx
, "auto erase enabled");
663 return ERROR_COMMAND_SYNTAX_ERROR
;
668 LOG_ERROR("no target selected");
672 duration_start_measure(&duration
);
676 image
.base_address_set
= 1;
677 image
.base_address
= strtoul(args
[1], NULL
, 0);
681 image
.base_address_set
= 0;
682 image
.base_address
= 0x0;
685 image
.start_address_set
= 0;
687 retval
= image_open(&image
, args
[0], (argc
== 3) ? args
[2] : NULL
);
688 if (retval
!= ERROR_OK
)
693 retval
= flash_write(target
, &image
, &written
, auto_erase
);
694 if (retval
!= ERROR_OK
)
700 duration_stop_measure(&duration
, &duration_text
);
701 if (retval
== ERROR_OK
)
703 command_print(cmd_ctx
, "wrote %u byte from file %s in %s (%f kb/s)",
704 written
, args
[0], duration_text
,
705 (float)written
/ 1024.0 / ((float)duration
.duration
.tv_sec
+ ((float)duration
.duration
.tv_usec
/ 1000000.0)));
714 int handle_flash_fill_command(struct command_context_s
*cmd_ctx
, char *cmd
, char **args
, int argc
)
725 target_t
*target
= get_current_target(cmd_ctx
);
731 return ERROR_COMMAND_SYNTAX_ERROR
;
734 address
= strtoul(args
[0], NULL
, 0);
735 pattern
= strtoul(args
[1], NULL
, 0);
736 count
= strtoul(args
[2], NULL
, 0);
754 return ERROR_COMMAND_SYNTAX_ERROR
;
757 chunk_count
= MIN(count
, (1024 / wordsize
));
761 for(i
= 0; i
< chunk_count
; i
++)
763 target_buffer_set_u32(target
, chunk
+ i
* wordsize
, pattern
);
767 for(i
= 0; i
< chunk_count
; i
++)
769 target_buffer_set_u16(target
, chunk
+ i
* wordsize
, pattern
);
773 memset(chunk
, pattern
, chunk_count
);
776 LOG_ERROR("BUG: can't happen");
780 duration_start_measure(&duration
);
783 err
= flash_erase_address_range( target
, address
, count
*wordsize
);
786 for (wrote
=0; wrote
<(count
*wordsize
); wrote
+=sizeof(chunk
))
788 int cur_size
= MIN( (count
*wordsize
- wrote
) , 1024 );
792 bank
= get_flash_bank_by_addr(target
, address
);
798 err
= flash_driver_write(bank
, chunk
, address
- bank
->base
+ wrote
, cur_size
);
806 duration_stop_measure(&duration
, &duration_text
);
811 speed
=wrote
/ 1024.0;
812 speed
/=((float)duration
.duration
.tv_sec
+ ((float)duration
.duration
.tv_usec
/ 1000000.0));
813 command_print(cmd_ctx
, "wrote %d bytes to 0x%8.8x in %s (%f kb/s)",
814 count
*wordsize
, address
, duration_text
,
821 int handle_flash_write_bank_command(struct command_context_s
*cmd_ctx
, char *cmd
, char **args
, int argc
)
837 return ERROR_COMMAND_SYNTAX_ERROR
;
840 duration_start_measure(&duration
);
842 offset
= strtoul(args
[2], NULL
, 0);
843 p
= get_flash_bank_by_num(strtoul(args
[0], NULL
, 0));
846 command_print(cmd_ctx
, "flash bank '#%s' is out of bounds", args
[0]);
850 if (fileio_open(&fileio
, args
[1], FILEIO_READ
, FILEIO_BINARY
) != ERROR_OK
)
855 buffer
= malloc(fileio
.size
);
856 if (fileio_read(&fileio
, fileio
.size
, buffer
, &buf_cnt
) != ERROR_OK
)
859 fileio_close(&fileio
);
863 retval
= flash_driver_write(p
, buffer
, offset
, buf_cnt
);
868 duration_stop_measure(&duration
, &duration_text
);
869 if (retval
!=ERROR_OK
)
871 command_print(cmd_ctx
, "wrote %"PRIi64
" byte from file %s to flash bank %i at offset 0x%8.8x in %s (%f kb/s)",
872 fileio
.size
, args
[1], strtoul(args
[0], NULL
, 0), offset
, duration_text
,
873 (float)fileio
.size
/ 1024.0 / ((float)duration
.duration
.tv_sec
+ ((float)duration
.duration
.tv_usec
/ 1000000.0)));
877 fileio_close(&fileio
);
882 void flash_set_dirty(void)
887 /* set all flash to require erasing */
888 for (c
= flash_banks
; c
; c
= c
->next
)
890 for (i
= 0; i
< c
->num_sectors
; i
++)
892 c
->sectors
[i
].is_erased
= 0;
897 /* lookup flash bank by address */
898 flash_bank_t
*get_flash_bank_by_addr(target_t
*target
, u32 addr
)
902 /* cycle through bank list */
903 for (c
= flash_banks
; c
; c
= c
->next
)
906 retval
= c
->driver
->auto_probe(c
);
908 if (retval
!= ERROR_OK
)
910 LOG_ERROR("auto_probe failed %d\n", retval
);
913 /* check whether address belongs to this flash bank */
914 if ((addr
>= c
->base
) && (addr
<= c
->base
+ (c
->size
- 1)) && target
== c
->target
)
917 LOG_ERROR("No flash at address 0x%08x\n", addr
);
921 /* erase given flash region, selects proper bank according to target and address */
922 int flash_erase_address_range(target_t
*target
, u32 addr
, u32 length
)
929 if ((c
= get_flash_bank_by_addr(target
, addr
)) == NULL
)
930 return ERROR_FLASH_DST_OUT_OF_BANK
; /* no corresponding bank found */
932 if (c
->size
== 0 || c
->num_sectors
== 0)
934 LOG_ERROR("Bank is invalid");
935 return ERROR_FLASH_BANK_INVALID
;
940 /* special case, erase whole bank when length is zero */
942 return ERROR_FLASH_DST_BREAKS_ALIGNMENT
;
944 return flash_driver_erase(c
, 0, c
->num_sectors
- 1);
947 /* check whether it fits */
948 if (addr
+ length
> c
->base
+ c
->size
)
949 return ERROR_FLASH_DST_BREAKS_ALIGNMENT
;
953 for (i
= 0; i
< c
->num_sectors
; i
++)
955 /* check whether sector overlaps with the given range and is not yet erased */
956 if (addr
< c
->sectors
[i
].offset
+ c
->sectors
[i
].size
&& addr
+ length
> c
->sectors
[i
].offset
&& c
->sectors
[i
].is_erased
!= 1) {
957 /* if first is not set yet then this is the first sector */
960 last
= i
; /* and it is the last one so far in any case */
964 if( first
== -1 || last
== -1 )
967 return flash_driver_erase(c
, first
, last
);
970 /* write (optional verify) an image to flash memory of the given target */
971 int flash_write(target_t
*target
, image_t
*image
, u32
*written
, int erase
)
988 /* assume all sectors need erasing - stops any problems
989 * when flash_write is called multiple times */
994 /* allocate padding array */
995 padding
= malloc(image
->num_sections
* sizeof(padding
));
997 /* loop until we reach end of the image */
998 while (section
< image
->num_sections
)
1004 u32 run_address
= image
->sections
[section
].base_address
+ section_offset
;
1005 u32 run_size
= image
->sections
[section
].size
- section_offset
;
1008 if (image
->sections
[section
].size
== 0)
1010 LOG_WARNING("empty section %d", section
);
1016 /* find the corresponding flash bank */
1017 if ((c
= get_flash_bank_by_addr(target
, run_address
)) == NULL
)
1019 section
++; /* and skip it */
1024 /* collect consecutive sections which fall into the same bank */
1025 section_first
= section
;
1026 section_last
= section
;
1027 padding
[section
] = 0;
1028 while ((run_address
+ run_size
< c
->base
+ c
->size
)
1029 && (section_last
+ 1 < image
->num_sections
))
1031 if (image
->sections
[section_last
+ 1].base_address
< (run_address
+ run_size
))
1033 LOG_DEBUG("section %d out of order(very slightly surprising, but supported)", section_last
+ 1);
1036 /* if we have multiple sections within our image, flash programming could fail due to alignment issues
1037 * attempt to rebuild a consecutive buffer for the flash loader */
1038 pad_bytes
= (image
->sections
[section_last
+ 1].base_address
) - (run_address
+ run_size
);
1039 if ((run_address
+ run_size
+ pad_bytes
) > (c
->base
+ c
->size
))
1041 padding
[section_last
] = pad_bytes
;
1042 run_size
+= image
->sections
[++section_last
].size
;
1043 run_size
+= pad_bytes
;
1044 padding
[section_last
] = 0;
1046 LOG_INFO("Padding image section %d with %d bytes", section_last
-1, pad_bytes
);
1049 /* fit the run into bank constraints */
1050 if (run_address
+ run_size
> c
->base
+ c
->size
)
1051 run_size
= c
->base
+ c
->size
- run_address
;
1053 /* allocate buffer */
1054 buffer
= malloc(run_size
);
1057 /* read sections to the buffer */
1058 while (buffer_size
< run_size
)
1062 size_read
= run_size
- buffer_size
;
1063 if (size_read
> image
->sections
[section
].size
- section_offset
)
1064 size_read
= image
->sections
[section
].size
- section_offset
;
1066 if ((retval
= image_read_section(image
, section
, section_offset
,
1067 size_read
, buffer
+ buffer_size
, &size_read
)) != ERROR_OK
|| size_read
== 0)
1074 /* see if we need to pad the section */
1075 while (padding
[section
]--)
1076 (buffer
+buffer_size
)[size_read
++] = 0xff;
1078 buffer_size
+= size_read
;
1079 section_offset
+= size_read
;
1081 if (section_offset
>= image
->sections
[section
].size
)
1092 /* calculate and erase sectors */
1093 retval
= flash_erase_address_range( target
, run_address
, run_size
);
1096 if (retval
== ERROR_OK
)
1098 /* write flash sectors */
1099 retval
= flash_driver_write(c
, buffer
, run_address
- c
->base
, run_size
);
1104 if (retval
!= ERROR_OK
)
1107 return retval
; /* abort operation */
1110 if (written
!= NULL
)
1111 *written
+= run_size
; /* add run size to total written counter */
1119 int default_flash_mem_blank_check(struct flash_bank_s
*bank
)
1121 target_t
*target
= bank
->target
;
1123 int buffer_size
= sizeof(buffer
);
1127 if (bank
->target
->state
!= TARGET_HALTED
)
1129 LOG_ERROR("Target not halted");
1130 return ERROR_TARGET_NOT_HALTED
;
1133 for (i
= 0; i
< bank
->num_sectors
; i
++)
1136 bank
->sectors
[i
].is_erased
= 1;
1138 for (j
= 0; j
< bank
->sectors
[i
].size
; j
+= buffer_size
)
1142 chunk
= buffer_size
;
1143 if (chunk
> (j
- bank
->sectors
[i
].size
))
1145 chunk
= (j
- bank
->sectors
[i
].size
);
1148 retval
= target
->type
->read_memory(target
, bank
->base
+ bank
->sectors
[i
].offset
+ j
, 4, chunk
/4, buffer
);
1149 if (retval
!= ERROR_OK
)
1152 for (nBytes
= 0; nBytes
< chunk
; nBytes
++)
1154 if (buffer
[nBytes
] != 0xFF)
1156 bank
->sectors
[i
].is_erased
= 0;
1166 int default_flash_blank_check(struct flash_bank_s
*bank
)
1168 target_t
*target
= bank
->target
;
1174 if (bank
->target
->state
!= TARGET_HALTED
)
1176 LOG_ERROR("Target not halted");
1177 return ERROR_TARGET_NOT_HALTED
;
1180 for (i
= 0; i
< bank
->num_sectors
; i
++)
1182 u32 address
= bank
->base
+ bank
->sectors
[i
].offset
;
1183 u32 size
= bank
->sectors
[i
].size
;
1185 if ((retval
= target_blank_check_memory(target
, address
, size
, &blank
)) != ERROR_OK
)
1191 bank
->sectors
[i
].is_erased
= 1;
1193 bank
->sectors
[i
].is_erased
= 0;
1199 LOG_USER("Running slow fallback erase check - add working memory");
1200 return default_flash_mem_blank_check(bank
);
Linking to existing account procedure
If you already have an account and want to add another login method
you
MUST first sign in with your existing account and
then change URL to read
https://review.openocd.org/login/?link
to get to this page again but this time it'll work for linking. Thank you.
SSH host keys fingerprints
1024 SHA256:YKx8b7u5ZWdcbp7/4AeXNaqElP49m6QrwfXaqQGJAOk gerrit-code-review@openocd.zylin.com (DSA)
384 SHA256:jHIbSQa4REvwCFG4cq5LBlBLxmxSqelQPem/EXIrxjk gerrit-code-review@openocd.org (ECDSA)
521 SHA256:UAOPYkU9Fjtcao0Ul/Rrlnj/OsQvt+pgdYSZ4jOYdgs gerrit-code-review@openocd.org (ECDSA)
256 SHA256:A13M5QlnozFOvTllybRZH6vm7iSt0XLxbA48yfc2yfY gerrit-code-review@openocd.org (ECDSA)
256 SHA256:spYMBqEYoAOtK7yZBrcwE8ZpYt6b68Cfh9yEVetvbXg gerrit-code-review@openocd.org (ED25519)
+--[ED25519 256]--+
|=.. |
|+o.. . |
|*.o . . |
|+B . . . |
|Bo. = o S |
|Oo.+ + = |
|oB=.* = . o |
| =+=.+ + E |
|. .=o . o |
+----[SHA256]-----+
2048 SHA256:0Onrb7/PHjpo6iVZ7xQX2riKN83FJ3KGU0TvI0TaFG4 gerrit-code-review@openocd.zylin.com (RSA)