#include "fileio.h"
#include "image.h"
#include "log.h"
+#include "armv4_5.h"
+#include "algorithm.h"
+#include "binarybuffer.h"
+#include "armv7m.h"
#include <string.h>
#include <unistd.h>
int handle_flash_write_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
int handle_flash_write_bank_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
int handle_flash_write_image_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
+int handle_flash_fill_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
int handle_flash_protect_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
int handle_flash_auto_erase_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
flash_bank_t *get_flash_bank_by_addr(target_t *target, u32 addr);
flash_bank_t *flash_banks;
static command_t *flash_cmd;
+
+/* flash auto-erase is disabled by default*/
static int auto_erase = 0;
/* wafer thin wrapper for invoking the flash driver */
static int flash_driver_write(struct flash_bank_s *bank, u8 *buffer, u32 offset, u32 count)
{
- int retval=ERROR_OK;
- if (bank->target->state != TARGET_HALTED)
- {
- ERROR("target not halted - aborting flash write");
- retval=ERROR_TARGET_NOT_HALTED;
- } else
- {
- retval=bank->driver->write(bank, buffer, offset, count);
- }
+ int retval;
+
+ retval=bank->driver->write(bank, buffer, offset, count);
if (retval!=ERROR_OK)
{
- ERROR("Writing to flash bank at address 0x%08x at offset 0x%8.8x", bank->base, offset);
+ LOG_ERROR("error writing to flash at address 0x%08x at offset 0x%8.8x (%d)", bank->base, offset, retval);
}
+
return retval;
}
static int flash_driver_erase(struct flash_bank_s *bank, int first, int last)
{
- int retval=ERROR_OK;
- if (bank->target->state != TARGET_HALTED)
- {
- ERROR("target not halted - aborting flash erase");
- retval=ERROR_TARGET_NOT_HALTED;
- } else if ((first < 0) || (last < first) || (last >= bank->num_sectors))
- {
- ERROR("invalid flash sector");
- retval=ERROR_FLASH_SECTOR_INVALID;
- } else
- {
- retval=bank->driver->erase(bank, first, last);
- }
+ int retval;
+
+ retval=bank->driver->erase(bank, first, last);
if (retval!=ERROR_OK)
{
- ERROR("Failed erasing banks %d to %d", first, last);
+ LOG_ERROR("failed erasing sectors %d to %d (%d)", first, last, retval);
}
+
return retval;
}
int flash_driver_protect(struct flash_bank_s *bank, int set, int first, int last)
{
int retval;
- if (bank->target->state != TARGET_HALTED)
- {
- ERROR("target not halted - aborting flash erase");
- retval=ERROR_TARGET_NOT_HALTED;
- } else if ((first < 0) || (last < first) || (last >= bank->num_sectors))
- {
- ERROR("invalid flash sector");
- retval=ERROR_FLASH_SECTOR_INVALID;
- } else
- {
- retval=bank->driver->protect(bank, set, first, last);
- }
+
+ retval=bank->driver->protect(bank, set, first, last);
if (retval!=ERROR_OK)
{
- ERROR("Failed protecting banks %d to %d", first, last);
+ LOG_ERROR("failed setting protection for areas %d to %d (%d)", first, last, retval);
}
+
return retval;
}
"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 <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,
return p;
}
}
- ERROR("Flash bank %d does not exist", num);
+ LOG_ERROR("flash bank %d does not exist", num);
return NULL;
}
+int flash_get_bank_count()
+{
+ flash_bank_t *p;
+ int i = 0;
+ for (p = flash_banks; p; p = p->next)
+ {
+ i++;
+ }
+ return i;
+}
+
flash_bank_t *get_flash_bank_by_num(int num)
{
flash_bank_t *p = get_flash_bank_by_num_noprobe(num);
if (retval != ERROR_OK)
{
- ERROR("auto_probe failed %d\n", retval);
+ LOG_ERROR("auto_probe failed %d\n", retval);
return NULL;
}
return p;
if ((target = get_target_by_num(strtoul(args[5], NULL, 0))) == NULL)
{
- ERROR("target %lu not defined", strtoul(args[5], NULL, 0));
+ LOG_ERROR("target %lu not defined", strtoul(args[5], NULL, 0));
return ERROR_OK;
}
/* register flash specific commands */
if (flash_drivers[i]->register_commands(cmd_ctx) != ERROR_OK)
{
- ERROR("couldn't register '%s' commands", args[0]);
+ LOG_ERROR("couldn't register '%s' commands", args[0]);
exit(-1);
}
if (flash_drivers[i]->flash_bank_command(cmd_ctx, cmd, args, argc, c) != ERROR_OK)
{
- ERROR("'%s' driver rejected flash bank at 0x%8.8x", args[0], c->base);
+ LOG_ERROR("'%s' driver rejected flash bank at 0x%8.8x", args[0], c->base);
free(c);
return ERROR_OK;
}
/* no matching flash driver found */
if (!found)
{
- ERROR("flash driver '%s' not found", args[0]);
+ LOG_ERROR("flash driver '%s' not found", args[0]);
exit(-1);
}
flash_bank_t *p;
int i = 0;
int j = 0;
+ int retval;
if (argc != 1)
{
char buf[1024];
/* attempt auto probe */
- p->driver->auto_probe(p);
+ if ((retval = p->driver->auto_probe(p)) != ERROR_OK)
+ return retval;
command_print(cmd_ctx, "#%i: %s at 0x%8.8x, size 0x%8.8x, 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 *erase_state, *protect_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";
+ char *protect_state;
if (p->sectors[j].is_protected == 0)
protect_state = "not protected";
else
protect_state = "protection state unknown";
- command_print(cmd_ctx, "\t#%i: 0x%8.8x (0x%x %ikB) %s, %s",
+ command_print(cmd_ctx, "\t#%i: 0x%8.8x (0x%x %ikB) %s",
j, p->sectors[j].offset, p->sectors[j].size, p->sectors[j].size>>10,
- erase_state, protect_state);
+ protect_state);
}
- p->driver->info(p, buf, 1024);
+ *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);
}
}
p = get_flash_bank_by_num(strtoul(args[0], NULL, 0));
if (p)
{
+ int j;
if ((retval = p->driver->erase_check(p)) == ERROR_OK)
{
command_print(cmd_ctx, "successfully checked erase state", p->driver->name, p->base);
command_print(cmd_ctx, "unknown error when checking erase state of flash bank #%s at 0x%8.8x",
args[0], p->base);
}
+
+ 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";
+
+ command_print(cmd_ctx, "\t#%i: 0x%8.8x (0x%x %ikB) %s",
+ j, p->sectors[j].offset, p->sectors[j].size, p->sectors[j].size>>10,
+ erase_state);
+ }
+
}
return ERROR_OK;
if (argc < 1)
{
return ERROR_COMMAND_SYNTAX_ERROR;
-
}
if (!target)
{
- ERROR("no target selected");
- return ERROR_OK;
+ LOG_ERROR("no target selected");
+ return ERROR_FAIL;
}
duration_start_measure(&duration);
retval = image_open(&image, args[0], (argc == 3) ? args[2] : NULL);
if (retval != ERROR_OK)
{
- command_print(cmd_ctx, "image_open error: %s", image.error_str);
return retval;
}
retval = flash_write(target, &image, &written, auto_erase);
-
if (retval != ERROR_OK)
{
image_close(&image);
duration_stop_measure(&duration, &duration_text);
if (retval == ERROR_OK)
{
- command_print(cmd_ctx, "wrote %u byte from file %s in %s (%f kb/s)",
- written, args[0], duration_text,
- (float)written / 1024.0 / ((float)duration.duration.tv_sec + ((float)duration.duration.tv_usec / 1000000.0)));
+ command_print(cmd_ctx, "wrote %u byte from file %s in %s (%f kb/s)",
+ written, args[0], duration_text,
+ (float)written / 1024.0 / ((float)duration.duration.tv_sec + ((float)duration.duration.tv_usec / 1000000.0)));
}
free(duration_text);
return retval;
}
+int handle_flash_fill_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
+{
+ int err = ERROR_OK;
+ u32 address;
+ u32 pattern;
+ u32 count;
+ u8 chunk[1024];
+ u32 wrote = 0;
+ int chunk_count;
+ char *duration_text;
+ duration_t duration;
+ target_t *target = get_current_target(cmd_ctx);
+ u32 i;
+ int wordsize;
+
+ if (argc != 3)
+ {
+ return ERROR_COMMAND_SYNTAX_ERROR;
+ }
+
+ address = strtoul(args[0], NULL, 0);
+ pattern = strtoul(args[1], NULL, 0);
+ count = strtoul(args[2], NULL, 0);
+
+ if(count == 0)
+ return ERROR_OK;
+
+
+ switch(cmd[4])
+ {
+ case 'w':
+ wordsize=4;
+ break;
+ case 'h':
+ wordsize=2;
+ break;
+ case 'b':
+ wordsize=1;
+ break;
+ default:
+ return ERROR_COMMAND_SYNTAX_ERROR;
+ }
+
+ chunk_count = MIN(count, (1024 / wordsize));
+ switch(wordsize)
+ {
+ case 4:
+ for(i = 0; i < chunk_count; i++)
+ {
+ target_buffer_set_u32(target, chunk + i * wordsize, pattern);
+ }
+ break;
+ case 2:
+ for(i = 0; i < chunk_count; i++)
+ {
+ target_buffer_set_u16(target, chunk + i * wordsize, pattern);
+ }
+ break;
+ case 1:
+ memset(chunk, pattern, chunk_count);
+ break;
+ default:
+ LOG_ERROR("BUG: can't happen");
+ exit(-1);
+ }
+
+ duration_start_measure(&duration);
+
+ flash_set_dirty();
+ err = flash_erase_address_range( target, address, count*wordsize );
+ if (err == ERROR_OK)
+ {
+ for (wrote=0; wrote<(count*wordsize); wrote+=sizeof(chunk))
+ {
+ int cur_size = MIN( (count*wordsize - wrote) , 1024 );
+ if (err == ERROR_OK)
+ {
+ flash_bank_t *bank;
+ bank = get_flash_bank_by_addr(target, address);
+ if(bank == NULL)
+ {
+ err = ERROR_FAIL;
+ break;
+ }
+ err = flash_driver_write(bank, chunk, address - bank->base + wrote, cur_size);
+ wrote += cur_size;
+ }
+ if (err!=ERROR_OK)
+ break;
+ }
+ }
+
+ duration_stop_measure(&duration, &duration_text);
+
+ if(err == ERROR_OK)
+ {
+ float speed;
+ speed=wrote / 1024.0;
+ speed/=((float)duration.duration.tv_sec + ((float)duration.duration.tv_usec / 1000000.0));
+ command_print(cmd_ctx, "wrote %d bytes to 0x%8.8x in %s (%f kb/s)",
+ count*wordsize, address, duration_text,
+ speed);
+ }
+ free(duration_text);
+ return ERROR_OK;
+}
+
int handle_flash_write_bank_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
{
u32 offset;
if (fileio_open(&fileio, args[1], FILEIO_READ, FILEIO_BINARY) != ERROR_OK)
{
- command_print(cmd_ctx, "flash write_binary error: %s", fileio.error_str);
return ERROR_OK;
}
buffer = malloc(fileio.size);
if (fileio_read(&fileio, fileio.size, buffer, &buf_cnt) != ERROR_OK)
{
- command_print(cmd_ctx, "flash write_binary error: %s", fileio.error_str);
return ERROR_OK;
}
if (retval != ERROR_OK)
{
- ERROR("auto_probe failed %d\n", retval);
+ LOG_ERROR("auto_probe failed %d\n", retval);
return NULL;
}
/* check whether address belongs to this flash bank */
if ((addr >= c->base) && (addr < c->base + c->size) && target == c->target)
return c;
}
- ERROR("No flash at address 0x%08x\n", addr);
+ LOG_ERROR("No flash at address 0x%08x\n", addr);
return NULL;
}
return ERROR_FLASH_DST_OUT_OF_BANK; /* no corresponding bank found */
if (c->size == 0 || c->num_sectors == 0)
+ {
+ LOG_ERROR("Bank is invalid");
return ERROR_FLASH_BANK_INVALID;
+ }
if (length == 0)
{
/* write (optional verify) an image to flash memory of the given target */
int flash_write(target_t *target, image_t *image, u32 *written, int erase)
{
- int retval;
+ int retval=ERROR_OK;
int section;
u32 section_offset;
if (image->sections[section].size == 0)
{
- WARNING("empty section %d", section);
+ LOG_WARNING("empty section %d", section);
section++;
section_offset = 0;
continue;
{
if (image->sections[section_last + 1].base_address < (run_address + run_size))
{
- DEBUG("section %d out of order(very slightly surprising, but supported)", section_last + 1);
+ LOG_DEBUG("section %d out of order(very slightly surprising, but supported)", section_last + 1);
break;
}
if (image->sections[section_last + 1].base_address != (run_address + run_size))
if (retval != ERROR_OK)
{
- return retval; /* abort operation */
- }
+ return retval; /* abort operation */
+ }
if (written != NULL)
*written += run_size; /* add run size to total written counter */
}
- return ERROR_OK;
+ return retval;
}
int handle_flash_auto_erase_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
if (argc != 1)
{
return ERROR_COMMAND_SYNTAX_ERROR;
-
}
if (strcmp(args[0], "on") == 0)
return ERROR_OK;
}
+
+
+int default_flash_blank_check(struct flash_bank_s *bank)
+{
+ target_t *target = bank->target;
+ u8 buffer[1024];
+ int buffer_size=sizeof(buffer);
+ int i;
+ int nBytes;
+
+ if (bank->target->state != TARGET_HALTED)
+ {
+ return ERROR_TARGET_NOT_HALTED;
+ }
+
+ int retval;
+ int fast_check=0;
+ working_area_t *erase_check_algorithm;
+#if 0
+ /* FIX! doesn't work yet... */
+ /*
+ char test(char *a, int len, char t)
+ {
+ int i=0;
+
+ for (i=0; i<len; i++)
+ {
+ t&=a[i];
+
+ }
+ }
+
+ $ arm-elf-gcc -c -mthumb -O3 test.c
+
+ $ arm-elf-objdump --disassemble test.o
+
+ test.o: file format elf32-littlearm
+
+ Disassembly of section .text:
+
+ 00000000 <test>:
+ 0: b510 push {r4, lr}
+ 2: 0612 lsl r2, r2, #24
+ 4: 1c04 mov r4, r0 (add r4, r0, #0)
+ 6: 0e10 lsr r0, r2, #24
+ 8: 2200 mov r2, #0
+ a: 2900 cmp r1, #0
+ c: dd04 ble 18 <test+0x18>
+ e: 5ca3 ldrb r3, [r4, r2]
+ 10: 3201 add r2, #1
+ 12: 4018 and r0, r3
+ 14: 428a cmp r2, r1
+ 16: dbfa blt e <test+0xe>
+ 18: bd10 pop {r4, pc}
+ 1a: 46c0 nop (mov r8, r8)
+
+
+ */
+ u16 erase_check_code[] =
+ {
+ 0x0612,// lsl r2, r2, #24
+ 0x1c04,// mov r4, r0 (add r4, r0, #0)
+ 0x0e10,// lsr r0, r2, #24
+ 0x2200,// mov r2, #0
+ 0x2900,// cmp r1, #0
+ 0xdd04,// ble 18 <test+0x18>
+ 0x5ca3,// ldrb r3, [r4, r2]
+ 0x3201,// add r2, #1
+ 0x4018,// and r0, r3
+ 0x428a,// cmp r2, r1
+ 0xdbfa,// blt e <test+0xe>
+ 0x46c0,// nop (mov r8, r8)
+
+ };
+
+
+
+ /* make sure we have a working area */
+ if (target_alloc_working_area(target, ((sizeof(erase_check_code)+3)/4)*4, &erase_check_algorithm) != ERROR_OK)
+ {
+ erase_check_algorithm = NULL;
+ }
+
+ if (erase_check_algorithm)
+ {
+ u8 erase_check_code_buf[((sizeof(erase_check_code)+3)/4)*4];
+ LOG_DEBUG("Running fast flash erase check");
+
+ for (i = 0; i < sizeof(erase_check_code)/sizeof(*erase_check_code); i++)
+ target_buffer_set_u16(target, erase_check_code_buf + (i*2), erase_check_code[i]);
+
+ /* write algorithm code to working area */
+ if ((retval=target->type->write_memory(target, erase_check_algorithm->address, 2, sizeof(erase_check_code)/sizeof(*erase_check_code), erase_check_code_buf))==ERROR_OK)
+ {
+ for (i = 0; i < bank->num_sectors; i++)
+ {
+ u32 address = bank->base + bank->sectors[i].offset;
+ u32 size = bank->sectors[i].size;
+
+ reg_param_t reg_params[3];
+ armv7m_algorithm_t arm_info;
+
+ arm_info.common_magic = ARMV7M_COMMON_MAGIC;
+ arm_info.core_mode = ARMV7M_MODE_ANY;
+ arm_info.core_state = ARMV7M_STATE_THUMB;
+
+ init_reg_param(®_params[0], "r0", 32, PARAM_OUT);
+ buf_set_u32(reg_params[0].value, 0, 32, address);
+
+ init_reg_param(®_params[1], "r1", 32, PARAM_OUT);
+ buf_set_u32(reg_params[1].value, 0, 32, size);
+
+ init_reg_param(®_params[2], "r2", 32, PARAM_IN_OUT);
+ buf_set_u32(reg_params[2].value, 0, 32, 0xff);
+
+ if ((retval = target->type->run_algorithm(target, 0, NULL, 3, reg_params, erase_check_algorithm->address,
+ erase_check_algorithm->address + sizeof(erase_check_code) - 2, 10000, &arm_info)) != ERROR_OK)
+ break;
+
+ if (buf_get_u32(reg_params[2].value, 0, 32) == 0xff)
+ bank->sectors[i].is_erased = 1;
+ else
+ bank->sectors[i].is_erased = 0;
+
+ destroy_reg_param(®_params[0]);
+ destroy_reg_param(®_params[1]);
+ destroy_reg_param(®_params[2]);
+ }
+ if (i == bank->num_sectors)
+ {
+ fast_check = 1;
+ }
+ }
+ target_free_working_area(target, erase_check_algorithm);
+ }
+#endif
+ if (!fast_check)
+ {
+ /* try ARM7 instead */
+
+ u32 erase_check_code[] =
+ {
+ 0xe4d03001, /* ldrb r3, [r0], #1 */
+ 0xe0022003, /* and r2, r2, r3 */
+ 0xe2511001, /* subs r1, r1, #1 */
+ 0x1afffffb, /* b -4 */
+ 0xeafffffe /* b 0 */
+ };
+
+ /* make sure we have a working area */
+ if (target_alloc_working_area(target, 20, &erase_check_algorithm) == ERROR_OK)
+ {
+ u8 erase_check_code_buf[5 * 4];
+
+ for (i = 0; i < 5; i++)
+ target_buffer_set_u32(target, erase_check_code_buf + (i*4), erase_check_code[i]);
+
+ /* write algorithm code to working area */
+ if ((retval=target->type->write_memory(target, erase_check_algorithm->address, 4, 5, erase_check_code_buf))==ERROR_OK)
+ {
+ for (i = 0; i < bank->num_sectors; i++)
+ {
+ u32 address = bank->base + bank->sectors[i].offset;
+ u32 size = bank->sectors[i].size;
+
+ reg_param_t reg_params[3];
+ armv4_5_algorithm_t armv4_5_info;
+
+ armv4_5_info.common_magic = ARMV4_5_COMMON_MAGIC;
+ armv4_5_info.core_mode = ARMV4_5_MODE_SVC;
+ armv4_5_info.core_state = ARMV4_5_STATE_ARM;
+
+ init_reg_param(®_params[0], "r0", 32, PARAM_OUT);
+ buf_set_u32(reg_params[0].value, 0, 32, address);
+
+ init_reg_param(®_params[1], "r1", 32, PARAM_OUT);
+ buf_set_u32(reg_params[1].value, 0, 32, size);
+
+ init_reg_param(®_params[2], "r2", 32, PARAM_IN_OUT);
+ buf_set_u32(reg_params[2].value, 0, 32, 0xff);
+
+ if ((retval = target->type->run_algorithm(target, 0, NULL, 3, reg_params,
+ erase_check_algorithm->address, erase_check_algorithm->address + 0x10, 10000, &armv4_5_info)) != ERROR_OK)
+ break;
+
+ if (buf_get_u32(reg_params[2].value, 0, 32) == 0xff)
+ bank->sectors[i].is_erased = 1;
+ else
+ bank->sectors[i].is_erased = 0;
+
+ destroy_reg_param(®_params[0]);
+ destroy_reg_param(®_params[1]);
+ destroy_reg_param(®_params[2]);
+ }
+ if (i == bank->num_sectors)
+ {
+ fast_check = 1;
+ }
+ }
+ target_free_working_area(target, erase_check_algorithm);
+ }
+ }
+
+
+ if (!fast_check)
+ {
+ LOG_USER("Running slow fallback erase check - add working memory");
+ for (i = 0; i < bank->num_sectors; i++)
+ {
+ int j;
+ bank->sectors[i].is_erased = 1;
+
+ for (j=0; j<bank->sectors[i].size; j+=buffer_size)
+ {
+ int chunk;
+ int retval;
+ chunk=buffer_size;
+ if (chunk>(j-bank->sectors[i].size))
+ {
+ chunk=(j-bank->sectors[i].size);
+ }
+
+ retval=target->type->read_memory(target, bank->base + bank->sectors[i].offset + j, 4, chunk/4, buffer);
+ if (retval!=ERROR_OK)
+ return retval;
+
+ for (nBytes = 0; nBytes < chunk; nBytes++)
+ {
+ if (buffer[nBytes] != 0xFF)
+ {
+ bank->sectors[i].is_erased = 0;
+ break;
+ }
+ }
+ }
+ }
+ }
+
+ return ERROR_OK;
+}
projects / openocd / blobdiff