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/*
* dfu-programmer
*
* $Id: commands.c 154 2013-04-04 11:44:06Z slarge $
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA
*/
#include <stdio.h>
#include <stdint.h>
#include <stdlib.h>
#include <string.h>
#include "dfu-bool.h"
#include "config.h"
#include "commands.h"
#include "arguments.h"
#include "intel_hex.h"
#include "atmel.h"
#include "util.h"
#define COMMAND_DEBUG_THRESHOLD 40
#define DEBUG(...) dfu_debug( __FILE__, __FUNCTION__, __LINE__, \
COMMAND_DEBUG_THRESHOLD, __VA_ARGS__ )
static int security_bit_state;
static void security_check( dfu_device_t *device )
{
if( ADC_AVR32 == device->type ) {
// Get security bit state for AVR32.
security_bit_state = atmel_getsecure( device );
DEBUG( "Security bit check returned %d.\n", security_bit_state );
} else {
// Security bit not present or not testable.
security_bit_state = ATMEL_SECURE_OFF;
}
}
static void security_message()
{
if( security_bit_state > ATMEL_SECURE_OFF ) {
fprintf( stderr, "The security bit %s set.\n"
"Erase the device to clear temporarily.\n",
(ATMEL_SECURE_ON == security_bit_state) ? "is" : "may be" );
}
}
static int32_t execute_erase( dfu_device_t *device,
struct programmer_arguments *args )
{
int32_t result = 0;
DEBUG( "erase %d bytes\n",
(args->flash_address_top - args->flash_address_bottom) );
result = atmel_erase_flash( device, ATMEL_ERASE_ALL );
if( 0 != result ) {
return result;
}
return atmel_blank_check( device, args->flash_address_bottom,
args->flash_address_top );
}
static int32_t execute_setsecure( dfu_device_t *device,
struct programmer_arguments *args )
{
int32_t result;
if( ADC_AVR32 != args->device_type ) {
DEBUG( "target doesn't support security bit set.\n" );
fprintf( stderr, "target doesn't support security bit set.\n" );
return -1;
}
result = atmel_secure( device );
if( result < 0 ) {
DEBUG( "Error while setting security bit. (%d)\n", result );
fprintf( stderr, "Error while setting security bit.\n" );
return -1;
}
return 0;
}
static int32_t serialize_memory_image(int16_t *hex_data,
struct programmer_arguments *args )
{
if ( NULL != args->com_flash_data.serial_data ) {
int16_t *serial_data = args->com_flash_data.serial_data;
uint32_t length = args->com_flash_data.serial_length;
uint32_t offset = args->com_flash_data.serial_offset;
uint32_t i;
/* The Atmel flash page starts at address 0x80000000, we need to ignore that bit */
offset &= 0x7fffffff;
if ((offset + length) > args->memory_address_top) {
fprintf(stderr,"The serial data falls outside of the memory region.\n");
return -1;
}
for (i=0; i<length; ++i) {
hex_data[offset + i] = serial_data[i];
}
}
return 0;
}
static int32_t execute_flash_eeprom( dfu_device_t *device,
struct programmer_arguments *args )
{
int32_t result;
int32_t i;
int32_t retval;
int32_t usage;
uint8_t *buffer = NULL;
int16_t *hex_data = NULL;
retval = -1;
if( 0 == args->eeprom_memory_size ) {
fprintf( stderr, "This device has no eeprom.\n" );
return -1;
}
buffer = (uint8_t *) malloc( args->eeprom_memory_size );
if( NULL == buffer ) {
fprintf( stderr, "Request for %lu bytes of memory failed.\n",
(unsigned long) args->eeprom_memory_size );
goto error;
}
memset( buffer, 0, args->eeprom_memory_size );
hex_data = intel_hex_to_buffer( args->com_flash_data.file,
args->eeprom_memory_size, &usage );
if( NULL == hex_data ) {
DEBUG( "Something went wrong with creating the memory image.\n" );
fprintf( stderr,
"Something went wrong with creating the memory image.\n" );
goto error;
}
if (0 != serialize_memory_image(hex_data,args))
goto error;
result = atmel_flash( device, hex_data, 0, args->eeprom_memory_size,
args->eeprom_page_size, true );
if( result < 0 ) {
DEBUG( "Error while programming eeprom. (%d)\n", result );
fprintf( stderr, "Error while programming eeprom.\n" );
goto error;
}
if( 0 == args->com_flash_data.suppress_validation ) {
if( 0 == args->quiet ) {
fprintf( stderr, "Validating...\n" );
}
result = atmel_read_flash( device, 0, args->eeprom_memory_size,
buffer, args->eeprom_memory_size, true, false );
if( args->eeprom_memory_size != result ) {
DEBUG( "Error while reading back eeprom.\n" );
fprintf( stderr, "Error while reading back eeprom.\n" );
goto error;
}
for( i = 0; i < result; i++ ) {
if( (0 <= hex_data[i]) && (hex_data[i] < UINT8_MAX) ) {
/* Memory should have been programmed in this location. */
if( ((uint8_t) hex_data[i]) != buffer[i] ) {
DEBUG( "Image did not validate at location: %d (%02x != %02x)\n", i,
(0xff & hex_data[i]), (0xff & buffer[i]) );
fprintf( stderr, "Eeprom did not validate.\n" );
goto error;
}
}
}
}
if( 0 == args->quiet ) {
fprintf( stderr, "%d bytes used (%.02f%%)\n", usage,
((float)(usage*100)/(float)(args->eeprom_memory_size)) );
}
retval = 0;
error:
if( NULL != buffer ) {
free( buffer );
buffer = NULL;
}
if( NULL != hex_data ) {
free( hex_data );
hex_data = NULL;
}
return retval;
}
static int32_t execute_flash_user_page( dfu_device_t *device,
struct programmer_arguments *args )
{
int32_t result;
int32_t i;
int32_t retval;
int32_t usage;
uint8_t *buffer = NULL;
int16_t *hex_data = NULL;
retval = -1;
buffer = (uint8_t *) malloc( args->flash_page_size );
if( NULL == buffer ) {
fprintf( stderr, "Request for %lu bytes of memory failed.\n",
(unsigned long) args->flash_page_size );
goto error;
}
memset( buffer, 0, args->flash_page_size );
hex_data = intel_hex_to_buffer( args->com_flash_data.file,
args->flash_page_size, &usage );
if( NULL == hex_data ) {
DEBUG( "Something went wrong with creating the memory image.\n" );
fprintf( stderr,
"Something went wrong with creating the memory image.\n" );
goto error;
}
if (0 != serialize_memory_image(hex_data,args))
goto error;
result = atmel_user( device, hex_data, args->flash_page_size );
if( result < 0 ) {
DEBUG( "Error while flashing user page. (%d)\n", result );
fprintf( stderr, "Error while flashing user page.\n" );
goto error;
}
if( 0 == args->com_flash_data.suppress_validation ) {
if( 0 == args->quiet ) {
fprintf( stderr, "Validating...\n" );
}
result = atmel_read_flash( device, 0, args->flash_page_size,
buffer, args->flash_page_size, false, true );
if( args->flash_page_size != result ) {
DEBUG( "Error while reading back user flash.\n" );
fprintf( stderr, "Error while reading back user flash.\n" );
goto error;
}
for( i = 0; i < result; i++ ) {
if( (0 <= hex_data[i]) && (hex_data[i] < UINT8_MAX) ) {
/* Memory should have been programmed in this location. */
if( ((uint8_t) hex_data[i]) != buffer[i] ) {
DEBUG( "Image did not validate at location: %d (%02x != %02x)\n", i,
(0xff & hex_data[i]), (0xff & buffer[i]) );
fprintf( stderr, "User flash did not validate. Did you erase first?\n" );
goto error;
}
}
}
}
if( 0 == args->quiet ) {
fprintf( stderr, "%d bytes used (%.02f%%)\n", usage,
((float)(usage*100)/(float)(args->flash_page_size)) );
}
retval = 0;
error:
if( NULL != buffer ) {
free( buffer );
buffer = NULL;
}
if( NULL != hex_data ) {
free( hex_data );
hex_data = NULL;
}
return retval;
}
static int32_t execute_flash_normal( dfu_device_t *device,
struct programmer_arguments *args )
{
int16_t *hex_data = NULL;
int32_t usage = 0;
int32_t retval = -1;
int32_t result = 0;
uint8_t *buffer = NULL;
uint32_t i,j;
uint32_t memory_size;
uint32_t adjusted_flash_top_address;
/* Why +1? Because the flash_address_top location is inclusive, as
* apposed to most times when sizes are specified by length, etc.
* and they are exclusive. */
adjusted_flash_top_address = args->flash_address_top + 1;
memory_size = adjusted_flash_top_address - args->flash_address_bottom;
buffer = (uint8_t *) malloc( memory_size );
if( NULL == buffer ) {
fprintf( stderr, "Request for %d bytes of memory failed.\n",
memory_size );
goto error;
}
memset( buffer, 0, memory_size );
hex_data = intel_hex_to_buffer( args->com_flash_data.file,
args->memory_address_top + 1, &usage );
if( NULL == hex_data ) {
DEBUG( "Something went wrong with creating the memory image.\n" );
fprintf( stderr,
"Something went wrong with creating the memory image.\n" );
goto error;
}
if (0 != serialize_memory_image(hex_data,args))
goto error;
for( i = args->bootloader_bottom; i <= args->bootloader_top; i++) {
if( -1 != hex_data[i] ) {
if( true == args->suppressbootloader ) {
//If we're ignoring the bootloader, don't write to it
hex_data[i] = -1;
} else {
fprintf( stderr, "Bootloader and code overlap.\n" );
fprintf( stderr, "Use --suppress-bootloader-mem to ignore\n" );
goto error;
}
}
}
DEBUG( "write %d/%d bytes\n", usage, memory_size );
result = atmel_flash( device, hex_data, args->flash_address_bottom,
adjusted_flash_top_address, args->flash_page_size, false );
if( result < 0 ) {
DEBUG( "Error while flashing. (%d)\n", result );
fprintf( stderr, "Error while flashing.\n" );
goto error;
}
if( 0 == args->com_flash_data.suppress_validation ) {
if( 0 == args->quiet ) {
fprintf( stderr, "Validating...\n" );
}
result = atmel_read_flash( device, args->flash_address_bottom,
adjusted_flash_top_address, buffer,
memory_size, false, false );
if( memory_size != result ) {
DEBUG( "Error while reading back flash.\n" );
fprintf( stderr, "Error while reading back flash.\n" );
goto error;
}
for( i = 0, j = args->flash_address_bottom; i < result; i++, j++ ) {
if( (0 <= hex_data[j]) && (hex_data[j] < UINT8_MAX) ) {
/* Memory should have been programmed in this location. */
if( ((uint8_t) hex_data[j]) != buffer[i] ) {
DEBUG( "Image did not validate at location: %d (%02x != %02x)\n", i,
(0xff & hex_data[j]), (0xff & buffer[i]) );
fprintf( stderr, "Flash did not validate. Did you erase first?\n" );
goto error;
}
}
}
}
if( 0 == args->quiet ) {
fprintf( stderr, "%d bytes used (%.02f%%)\n", usage,
((float)(usage*100)/(float)
(adjusted_flash_top_address - args->flash_address_bottom)) );
}
retval = 0;
error:
if( NULL != buffer ) {
free( buffer );
buffer = NULL;
}
if( NULL != hex_data ) {
free( hex_data );
hex_data = NULL;
}
return retval;
return 0;
}
static int32_t execute_getfuse( dfu_device_t *device,
struct programmer_arguments *args )
{
atmel_avr32_fuses_t info;
char *message = NULL;
int32_t value = 0;
int32_t status;
/* Check AVR32 security bit in order to provide a better error message. */
security_check( device );
status = atmel_read_fuses( device, &info );
if( 0 != status ) {
DEBUG( "Error reading %s config information.\n",
args->device_type_string );
fprintf( stderr, "Error reading %s config information.\n",
args->device_type_string );
security_message();
return status;
}
switch( args->com_getfuse_data.name ) {
case get_lock:
value = info.lock;
message = "Locked regions";
break;
case get_epfl:
value = info.epfl;
message = "External Privileged Fetch Lock";
break;
case get_bootprot:
value = info.bootprot;
message = "Bootloader protected area";
break;
case get_bodlevel:
value = info.bodlevel;
message = "Brown-out detector trigger level";
break;
case get_bodhyst:
value = info.bodhyst;
message = "BOD Hysteresis enable";
break;
case get_boden:
value = info.boden;
message = "BOD Enable";
break;
case get_isp_bod_en:
value = info.isp_bod_en;
message = "ISP BOD enable";
break;
case get_isp_io_cond_en:
value = info.isp_io_cond_en;
message = "ISP IO condition enable";
break;
case get_isp_force:
value = info.isp_force;
message = "ISP Force";
break;
}
fprintf( stdout, "%s%s0x%02x (%d)\n",
((0 == args->quiet) ? message : ""),
((0 == args->quiet) ? ": " : ""),
value, value );
return 0;
}
static int32_t execute_get( dfu_device_t *device,
struct programmer_arguments *args )
{
atmel_device_info_t info;
char *message = NULL;
int16_t value = 0;
int32_t status;
int32_t controller_error = 0;
/* Check AVR32 security bit in order to provide a better error message. */
security_check( device );
status = atmel_read_config( device, &info );
if( 0 != status ) {
DEBUG( "Error reading %s config information.\n",
args->device_type_string );
fprintf( stderr, "Error reading %s config information.\n",
args->device_type_string );
security_message();
return status;
}
switch( args->com_get_data.name ) {
case get_bootloader:
value = info.bootloaderVersion;
message = "Bootloader Version";
break;
case get_ID1:
value = info.bootID1;
message = "Device boot ID 1";
break;
case get_ID2:
value = info.bootID2;
message = "Device boot ID 2";
break;
case get_BSB:
value = info.bsb;
message = "Boot Status Byte";
if( ADC_8051 != args->device_type ) {
controller_error = 1;
}
break;
case get_SBV:
value = info.sbv;
message = "Software Boot Vector";
if( ADC_8051 != args->device_type ) {
controller_error = 1;
}
break;
case get_SSB:
value = info.ssb;
message = "Software Security Byte";
if( ADC_8051 != args->device_type ) {
controller_error = 1;
}
break;
case get_EB:
value = info.eb;
message = "Extra Byte";
if( ADC_8051 != args->device_type ) {
controller_error = 1;
}
break;
case get_manufacturer:
value = info.manufacturerCode;
message = "Manufacturer Code";
break;
case get_family:
value = info.familyCode;
message = "Family Code";
break;
case get_product_name:
value = info.productName;
message = "Product Name";
break;
case get_product_rev:
value = info.productRevision;
message = "Product Revision";
break;
case get_HSB:
value = info.hsb;
message = "Hardware Security Byte";
if( ADC_8051 != args->device_type ) {
controller_error = 1;
}
break;
}
if( 0 != controller_error ) {
DEBUG( "%s requires 8051 based controller\n", message );
fprintf( stderr, "%s requires 8051 based controller\n",
message );
return -1;
}
if( value < 0 ) {
fprintf( stderr, "The requested device info is unavailable.\n" );
return -2;
}
fprintf( stdout, "%s%s0x%02x (%d)\n",
((0 == args->quiet) ? message : ""),
((0 == args->quiet) ? ": " : ""),
value, value );
return 0;
}
static int32_t execute_dump_normal( dfu_device_t *device,
struct programmer_arguments *args )
{
int32_t i = 0;
uint8_t *buffer = NULL;
size_t memory_size;
size_t adjusted_flash_top_address;
/* Why +1? Because the flash_address_top location is inclusive, as
* apposed to most times when sizes are specified by length, etc.
* and they are exclusive. */
adjusted_flash_top_address = args->flash_address_top + 1;
memory_size = adjusted_flash_top_address - args->flash_address_bottom;
buffer = (uint8_t *) malloc( memory_size );
if( NULL == buffer ) {
fprintf( stderr, "Request for %lu bytes of memory failed.\n",
(unsigned long) memory_size );
goto error;
}
/* Check AVR32 security bit in order to provide a better error message. */
security_check( device );
DEBUG( "dump %d bytes\n", memory_size );
if( memory_size != atmel_read_flash(device, args->flash_address_bottom,
adjusted_flash_top_address, buffer,
memory_size, false, false) )
{
fprintf( stderr, "Failed to read %lu bytes from device.\n",
(unsigned long) memory_size );
security_message();
return -1;
}
if( false == args->bootloader_at_highmem ) {
for( i = 0; i <= args->bootloader_top; i++ ) {
fprintf( stdout, "%c", 0xff );
}
}
for( i = 0; i < memory_size; i++ ) {
fprintf( stdout, "%c", buffer[i] );
}
fflush( stdout );
error:
if( NULL != buffer ) {
free( buffer );
buffer = NULL;
}
return 0;
}
static int32_t execute_dump_eeprom( dfu_device_t *device,
struct programmer_arguments *args )
{
int32_t i = 0;
uint8_t *buffer = NULL;
size_t memory_size;
if( 0 == args->eeprom_memory_size ) {
fprintf( stderr, "This device has no eeprom.\n" );
return -1;
}
memory_size = args->eeprom_memory_size;
buffer = (uint8_t *) malloc( args->eeprom_memory_size );
if( NULL == buffer ) {
fprintf( stderr, "Request for %lu bytes of memory failed.\n",
(unsigned long) memory_size );
goto error;
}
/* Check AVR32 security bit in order to provide a better error message. */
security_check( device );
DEBUG( "dump %d bytes\n", memory_size );
if( memory_size != atmel_read_flash(device, 0,
args->eeprom_memory_size, buffer,
memory_size, true, false) )
{
fprintf( stderr, "Failed to read %lu bytes from device.\n",
(unsigned long) memory_size );
security_message();
return -1;
}
for( i = 0; i < memory_size; i++ ) {
fprintf( stdout, "%c", buffer[i] );
}
fflush( stdout );
error:
if( NULL != buffer ) {
free( buffer );
buffer = NULL;
}
return 0;
}
static int32_t execute_dump_user_page( dfu_device_t *device,
struct programmer_arguments *args )
{
int32_t i = 0;
uint8_t *buffer = NULL;
size_t page_size = args->flash_page_size;
buffer = (uint8_t *) malloc( page_size );
if( NULL == buffer ) {
fprintf( stderr, "Request for %lu bytes of memory failed.\n",
(unsigned long) page_size );
goto error;
}
/* Check AVR32 security bit in order to provide a better error message. */
security_check( device );
DEBUG( "dump %d bytes\n", page_size );
if( page_size != atmel_read_flash(device, 0,
page_size, buffer,
page_size, false, true) )
{
fprintf( stderr, "Failed to read %lu bytes from device.\n",
(unsigned long) page_size );
security_message();
return -1;
}
for( i = 0; i < page_size; i++ ) {
fprintf( stdout, "%c", buffer[i] );
}
fflush( stdout );
error:
if( NULL != buffer ) {
free( buffer );
buffer = NULL;
}
return 0;
}
static int32_t execute_setfuse( dfu_device_t *device,
struct programmer_arguments *args )
{
int32_t value = args->com_setfuse_data.value;
int32_t name = args->com_setfuse_data.name;
if( GRP_AVR & args->device_type ) {
DEBUG( "target doesn't support fuse set operation.\n" );
fprintf( stderr, "target doesn't support fuse set operation.\n" );
return -1;
}
/* Check AVR32 security bit in order to provide a better error message. */
security_check( device );
if( 0 != atmel_set_fuse(device, name, value) )
{
DEBUG( "Fuse set failed.\n" );
fprintf( stderr, "Fuse set failed.\n" );
security_message();
return -1;
}
return 0;
}
static int32_t execute_configure( dfu_device_t *device,
struct programmer_arguments *args )
{
int32_t value = args->com_configure_data.value;
int32_t name = args->com_configure_data.name;
if( ADC_8051 != args->device_type ) {
DEBUG( "target doesn't support configure operation.\n" );
fprintf( stderr, "target doesn't support configure operation.\n" );
return -1;
}
if( (0xff & value) != value ) {
DEBUG( "Value to configure must be in range 0-255.\n" );
fprintf( stderr, "Value to configure must be in range 0-255.\n" );
return -1;
}
if( 0 != atmel_set_config(device, name, value) )
{
DEBUG( "Configuration set failed.\n" );
fprintf( stderr, "Configuration set failed.\n" );
return -1;
}
return 0;
}
int32_t execute_command( dfu_device_t *device,
struct programmer_arguments *args )
{
device->type = args->device_type;
switch( args->command ) {
case com_erase:
return execute_erase( device, args );
case com_flash:
return execute_flash_normal( device, args );
case com_eflash:
return execute_flash_eeprom( device, args );
case com_user:
return execute_flash_user_page( device, args );
case com_reset:
return atmel_reset( device );
case com_start_app:
return atmel_start_app( device );
case com_get:
return execute_get( device, args );
case com_getfuse:
return execute_getfuse( device, args );
case com_dump:
return execute_dump_normal( device, args );
case com_edump:
return execute_dump_eeprom( device, args );
case com_udump:
return execute_dump_user_page( device, args );
case com_configure:
return execute_configure( device, args );
case com_setfuse:
return execute_setfuse( device, args );
case com_setsecure:
return execute_setsecure( device, args );
default:
fprintf( stderr, "Not supported at this time.\n" );
}
return -1;
}
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