razzor
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multiboot_tool
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change indent style..

This commit is contained in:
Olaf Rempel 2017-03-07 20:09:48 +01:00
parent 84b8ddd1f5
commit 5ab1e36fc7
8 changed files with 1384 additions and 524 deletions
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17
chipinfo_avr.c
View File

@ -27,26 +27,35 @@
#define ARRAY_SIZE(x) (sizeof(x) / sizeof(*x))
struct chipinfo {
struct chipinfo
{
uint8_t sig[3];
const char name[16];
};
static struct chipinfo chips[] = {
static struct chipinfo chips[] =
{
{ { 0x1E, 0x93, 0x07 }, "AVR Mega 8" },
{ { 0x1E, 0x93, 0x0A }, "AVR Mega 88" },
{ { 0x1E, 0x94, 0x06 }, "AVR Mega 168" },
{ { 0x1E, 0x95, 0x02 }, "AVR Mega 32" },
};
/* *************************************************************************
* chipinfo_get_avr_name
* ************************************************************************* */
const char * chipinfo_get_avr_name(const uint8_t *sig)
{
int i;
for (i = 0; i < ARRAY_SIZE(chips); i++) {
for (i = 0; i < ARRAY_SIZE(chips); i++)
{
struct chipinfo *chip = &chips[i];
if (chip->sig[0] == sig[0] && chip->sig[1] == sig[1] && chip->sig[2] == sig[2])
{
return chip->name;
}
}
return "unknown";
}
} /* chipinfo_get_avr_name */

320
filedata.c
View File

@ -31,10 +31,14 @@
#define FILETYPE_BINARY 1
#define FILETYPE_INTELHEX 2
/* *************************************************************************
* dbuf_alloc
* ************************************************************************* */
struct databuf * dbuf_alloc(uint32_t size)
{
struct databuf *dbuf = malloc(sizeof(struct databuf) + size);
if (dbuf == NULL) {
if (dbuf == NULL)
{
perror("dbuf_alloc");
return NULL;
}
@ -43,71 +47,108 @@ struct databuf * dbuf_alloc(uint32_t size)
dbuf->size = size;
dbuf->length = 0;
return dbuf;
}
} /* dbuf_alloc */
/* *************************************************************************
* dbuf_free
* ************************************************************************* */
void dbuf_free(struct databuf *dbuf)
{
free(dbuf);
}
} /* dbuf_free */
/* *************************************************************************
* dbuf_dump
* ************************************************************************* */
static void dbuf_dump(struct databuf *dbuf)
{
int pos = 0, oldskip = 0;
while (pos < dbuf->length) {
while (pos < dbuf->length)
{
char buf[128];
int j, i = 0;
int skip = 1;
for (j = 0; j < 16; j++) {
for (j = 0; j < 16; j++)
{
if (pos + j < dbuf->length)
{
i += sprintf(buf + i, "%02X", dbuf->data[pos + j]);
else
} else {
i += sprintf(buf + i, " ");
}
if (j % 2)
buf[i++] = ' ';
}
for (j = 0; j < 16; j++) {
if (pos + j < dbuf->length) {
unsigned char val = dbuf->data[pos + j];
if (val >= 0x20 && val < 0x7F)
buf[i++] = val;
else
buf[i++] = '.';
if (val != 0xFF)
skip = 0;
} else {
{
buf[i++] = ' ';
}
}
if (pos == 0 || (pos + 16) >= dbuf->length || skip == 0) {
for (j = 0; j < 16; j++)
{
if (pos + j < dbuf->length)
{
unsigned char val = dbuf->data[pos + j];
if (val >= 0x20 && val < 0x7F)
{
buf[i++] = val;
} else {
buf[i++] = '.';
}
if (val != 0xFF)
{
skip = 0;
}
}
else
{
buf[i++] = ' ';
}
}
if ((pos == 0) ||
((pos + 16) >= dbuf->length) ||
(skip == 0)
)
{
buf[i++] = '\0';
printf("%04X: %s\r\n", pos, buf);
oldskip = 0;
} else if (skip == 1 && oldskip == 0) {
}
else if ((skip == 1) &&
(oldskip == 0)
)
{
printf("****\n");
oldskip = 1;
}
pos += 16;
}
}
} /* dbuf_dump */
/* *************************************************************************
* binfile_getsize
* ************************************************************************* */
static int binfile_getsize(const char *filename, uint32_t *size)
{
int fd = open(filename, O_RDONLY);
if (fd < 0) {
if (fd < 0)
{
perror("binfile_getsize(): open()");
return -1;
}
struct stat filestat;
if (fstat(fd, &filestat) < 0) {
if (fstat(fd, &filestat) < 0)
{
perror("binfile_getsize(): fstat()");
close(fd);
return -1;
@ -117,18 +158,24 @@ static int binfile_getsize(const char *filename, uint32_t *size)
close(fd);
return 0;
}
} /* binfile_getsize */
/* *************************************************************************
* binfile_read
* ************************************************************************* */
static int binfile_read(const char *filename, struct databuf *dbuf)
{
int fd = open(filename, O_RDONLY);
if (fd < 0) {
if (fd < 0)
{
perror("binfile_read(): open()");
return -1;
}
ssize_t readsize = read(fd, dbuf->data, dbuf->size);
if (readsize <= 0) {
if (readsize <= 0)
{
perror("binfile_read(): read()");
close(fd);
return -1;
@ -138,18 +185,24 @@ static int binfile_read(const char *filename, struct databuf *dbuf)
close(fd);
return 0;
}
} /* binfile_read */
/* *************************************************************************
* binfile_write
* ************************************************************************* */
static int binfile_write(const char *filename, struct databuf *dbuf)
{
int fd = open(filename, O_RDWR | O_CREAT | O_TRUNC, 0644);
if (fd < 0) {
if (fd < 0)
{
perror("binfile_write(): open()");
return -1;
}
ssize_t writesize = write(fd, dbuf->data, dbuf->length);
if (writesize != dbuf->length) {
if (writesize != dbuf->length)
{
perror("binfile_write(): write()");
close(fd);
return -1;
@ -157,9 +210,11 @@ static int binfile_write(const char *filename, struct databuf *dbuf)
close(fd);
return 0;
}
} /* binfile_write */
struct ihex_record {
struct ihex_record
{
uint8_t byte_count;
uint16_t address;
uint8_t type;
@ -168,46 +223,61 @@ struct ihex_record {
uint8_t chksum;
};
/* *************************************************************************
* hex2byte
* ************************************************************************* */
static uint8_t hex2byte(const char *ptr)
{
int i;
uint8_t result = 0;
for (i = 0; i < 2; i++) {
for (i = 0; i < 2; i++)
{
result <<= 4;
result |= (ptr[i] >= '0' && ptr[i] <= '9') ? (ptr[i] - '0') :
(((ptr[i] & 0xDF) >= 'A' && (ptr[i] & 0xDF) <= 'F') ? (ptr[i] - 'A' + 0x0A) :
0x00);
result |= (ptr[i] >= '0' && ptr[i] <= '9') ? (ptr[i] - '0')
: (((ptr[i] & 0xDF) >= 'A' && (ptr[i] & 0xDF) <= 'F') ? (ptr[i] - 'A' + 0x0A)
: 0x00);
}
return result;
}
} /* hex2byte */
/* *************************************************************************
* hexfile_getrecord
* ************************************************************************* */
static int hexfile_getrecord(FILE *stream, struct ihex_record *record)
{
char *hexline = NULL;
size_t size;
ssize_t length = getline(&hexline, &size, stream);
if (length == -1) {
if (!feof(stream)) {
if (length == -1)
{
if (!feof(stream))
{
perror("hexfile_getrecord(): getline()");
}
return -1;
}
if (length < 12) {
fprintf(stderr, "record too short (%d)\n", length);
if (length < 12)
{
fprintf(stderr, "record too short (%ld)\n", length);
free(hexline);
return -1;
}
int pos = 0;
if (hexline[pos] != ':') {
if (hexline[pos] != ':')
{
fprintf(stderr, "invalid startcode\n");
free(hexline);
return -1;
}
pos++;
uint8_t chksum = 0x00;
@ -216,9 +286,11 @@ static int hexfile_getrecord(FILE *stream, struct ihex_record *record)
chksum += record->byte_count;
pos += 2;
if (record->byte_count > 0) {
if (record->byte_count > 0)
{
record->data = malloc(record->byte_count);
if (record->data == NULL) {
if (record->data == NULL)
{
perror("hexfile_getrecord(): malloc()");
free(hexline);
return -1;
@ -236,7 +308,8 @@ static int hexfile_getrecord(FILE *stream, struct ihex_record *record)
pos += 2;
int i;
for (i = 0; i < record->byte_count; i++) {
for (i = 0; i < record->byte_count; i++)
{
record->data[i] = hex2byte(&hexline[pos]);
chksum += record->data[i];
pos += 2;
@ -246,18 +319,26 @@ static int hexfile_getrecord(FILE *stream, struct ihex_record *record)
chksum += record->chksum;
pos += 2;
if (chksum != 0x00) {
if (chksum != 0x00)
{
fprintf(stderr, "invalid checksum (0x%02X)\n", chksum);
if (record->byte_count > 0)
{
free(record->data);
}
free(hexline);
return -1;
}
free(hexline);
return 0;
}
} /* hexfile_getrecord */
/* *************************************************************************
* hexfile_putrecord
* ************************************************************************* */
static int hexfile_putrecord(FILE *stream, struct ihex_record *record)
{
uint8_t chksum = record->byte_count;
@ -269,39 +350,62 @@ static int hexfile_putrecord(FILE *stream, struct ihex_record *record)
char buf[64];
buf[0] = '\0';
for (i = 0; i < record->byte_count; i++) {
for (i = 0; i < record->byte_count; i++)
{
len += snprintf(buf + len, sizeof(buf) - len, "%02X", record->data[i]);
chksum += record->data[i];
}
fprintf(stream, ":%02X%04X%02X%s%02X\n", record->byte_count, record->address, record->type, buf, (uint8_t)(0x100 - chksum));
return -1;
}
fprintf(stream, ":%02X%04X%02X%s%02X\n",
record->byte_count,
record->address,
record->type,
buf,
(uint8_t)(0x100 - chksum));
return -1;
} /* hexfile_putrecord */
/* *************************************************************************
* hexfile_getsize
* ************************************************************************* */
static int hexfile_getsize(const char *filename, uint32_t *size)
{
*size = 0x10000;
return 0;
}
} /* hexfile_getsize */
/* *************************************************************************
* hexfile_read
* ************************************************************************* */
static int hexfile_read(const char *filename, struct databuf *dbuf)
{
FILE *stream = fopen(filename, "r");
if (stream == NULL) {
if (stream == NULL)
{
perror("hexfile_read(): fopen()");
return -1;
}
while (1) {
while (1)
{
struct ihex_record record;
memset(&record, 0x00, sizeof(struct ihex_record));
int result = hexfile_getrecord(stream, &record);
if (result == -1)
{
break;
}
if (record.type == 0x00) {
if (record.address > dbuf->size || record.address + record.byte_count > dbuf->size) {
if (record.type == 0x00)
{
if ((record.address > dbuf->size) ||
(record.address + record.byte_count > dbuf->size)
)
{
fprintf(stderr, "hexfile_read(): data out of bounds\n");
break;
}
@ -313,12 +417,17 @@ static int hexfile_read(const char *filename, struct databuf *dbuf)
fclose(stream);
return 0;
}
} /* hexfile_read */
/* *************************************************************************
* hexfile_write
* ************************************************************************* */
static int hexfile_write(const char *filename, struct databuf *dbuf)
{
FILE *stream = fopen(filename, "w");
if (stream == NULL) {
if (stream == NULL)
{
perror("hexfile_write(): fopen()");
return -1;
}
@ -326,21 +435,30 @@ static int hexfile_write(const char *filename, struct databuf *dbuf)
int i;
int addr_min = dbuf->length;
int addr_max = 0;
for (i = 0; i < dbuf->length; i++) {
for (i = 0; i < dbuf->length; i++)
{
if (dbuf->data[i] == 0xFF)
{
continue;
}
if (addr_min > i)
{
addr_min = i;
}
if (addr_max < i)
{
addr_max = i;
}
}
addr_min = addr_min & ~0x0F;
addr_max = (addr_max + 0x0F) & ~0x0F;
struct ihex_record record;
for (i = addr_min; i < addr_max; i += 0x10) {
for (i = addr_min; i < addr_max; i += 0x10)
{
record.byte_count = 0x10;
record.address = i;
record.type = 0x00;
@ -357,67 +475,93 @@ static int hexfile_write(const char *filename, struct databuf *dbuf)
fclose(stream);
return 0;
}
} /* hexfile_write */
/* *************************************************************************
* get_filetype
* ************************************************************************* */
static int get_filetype(const char *filename)
{
const char *ext = filename + (strlen(filename) -4);
if (ext < filename)
{
return FILETYPE_UNKNOWN;
}
if (strncmp(ext, ".bin", 4) == 0)
{
return FILETYPE_BINARY;
}
if (strncmp(ext, ".hex", 4) == 0)
{
return FILETYPE_INTELHEX;
}
return FILETYPE_UNKNOWN;
}
} /* get_filetype */
/* *************************************************************************
* file_getsize
* ************************************************************************* */
int file_getsize(const char *filename, uint32_t *size)
{
switch (get_filetype(filename)) {
case FILETYPE_BINARY:
return binfile_getsize(filename, size);
switch (get_filetype(filename))
{
case FILETYPE_BINARY:
return binfile_getsize(filename, size);
case FILETYPE_INTELHEX:
return hexfile_getsize(filename, size);
case FILETYPE_INTELHEX:
return hexfile_getsize(filename, size);
default:
return -1;
default:
return -1;
}
}
} /* file_getsize */
/* *************************************************************************
* file_read
* ************************************************************************* */
int file_read(const char *filename, struct databuf *dbuf)
{
switch (get_filetype(filename)) {
case FILETYPE_BINARY:
return binfile_read(filename, dbuf);
switch (get_filetype(filename))
{
case FILETYPE_BINARY:
return binfile_read(filename, dbuf);
case FILETYPE_INTELHEX:
return hexfile_read(filename, dbuf);
case FILETYPE_INTELHEX:
return hexfile_read(filename, dbuf);
default:
return -1;
default:
return -1;
}
}
} /* file_read */
/* *************************************************************************
* file_write
* ************************************************************************* */
int file_write(const char *filename, struct databuf *dbuf)
{
if (strncmp(filename, "-", 1) == 0) {
if (strncmp(filename, "-", 1) == 0)
{
dbuf_dump(dbuf);
return 0;
}
switch (get_filetype(filename)) {
case FILETYPE_BINARY:
return binfile_write(filename, dbuf);
switch (get_filetype(filename))
{
case FILETYPE_BINARY:
return binfile_write(filename, dbuf);
case FILETYPE_INTELHEX:
return hexfile_write(filename, dbuf);
case FILETYPE_INTELHEX:
return hexfile_write(filename, dbuf);
default:
return -1;
default:
return -1;
}
}
} /* file_write */

444
funk.c
View File

@ -124,7 +124,8 @@ struct rfm12_pkt
struct multiboot_ops funk_ops;
struct funk_privdata {
struct funk_privdata
{
char *device;
int fd;
int connected;
@ -141,30 +142,35 @@ struct funk_privdata {
};
static struct option funk_optargs[] = {
{"address", 1, 0, 'a'}, /* -a <addr> */
{"device", 1, 0, 'd'}, /* [ -d <device> ] */
static struct option funk_optargs[] =
{
{ "address", 1, 0, 'a'}, /* -a <addr> */
{ "device", 1, 0, 'd'}, /* [ -d <device> ] */
};
/* *************************************************************************
* funk_optarg_cb
* ************************************************************************* */
static int funk_optarg_cb(int val, const char *arg, void *privdata)
{
struct funk_privdata *funk = (struct funk_privdata *)privdata;
switch (val) {
case 'a': /* address */
{
char *endptr;
funk->address = strtol(arg, &endptr, 16);
if (*endptr != '\0' || funk->address < 0x00 || funk->address > 0xFF) {
fprintf(stderr, "invalid address: '%s'\n", arg);
return -1;
}
}
break;
switch (val)
{
case 'a': /* address */
{
char *endptr;
case 'd': /* device */
{
funk->address = strtol(arg, &endptr, 16);
if (*endptr != '\0' || funk->address < 0x00 || funk->address > 0xFF) {
fprintf(stderr, "invalid address: '%s'\n", arg);
return -1;
}
}
break;
case 'd': /* device */
if (funk->device != NULL) {
fprintf(stderr, "invalid device: '%s'\n", optarg);
return -1;
@ -175,11 +181,10 @@ static int funk_optarg_cb(int val, const char *arg, void *privdata)
perror("strdup()");
return -1;
}
}
break;
break;
case 'h':
case '?': /* error */
case 'h':
case '?': /* error */
fprintf(stderr, "Usage: funkboot [options]\n"
" -a <address> - selects rfm12 address (0x00 - 0xFF)\n"
" -d <device> - selects funkbridge device\n"
@ -192,25 +197,31 @@ static int funk_optarg_cb(int val, const char *arg, void *privdata)
"\n");
return -1;
default:
return 1;
default:
return 1;
}
return 0;
} /* funk_optarg_cb */
/* *************************************************************************
* funk_alloc
* ************************************************************************* */
static struct multiboot * funk_alloc(void)
{
struct multiboot * mboot = malloc(sizeof(struct multiboot));
if (mboot == NULL)
{
return NULL;
}
memset(mboot, 0x00, sizeof(struct multiboot));
mboot->ops = &funk_ops;
struct funk_privdata *funk = malloc(sizeof(struct funk_privdata));
if (funk == NULL) {
if (funk == NULL)
{
free(mboot);
return NULL;
}
@ -226,55 +237,78 @@ static struct multiboot * funk_alloc(void)
} /* funk_alloc */
/* *************************************************************************
* funk_free
* ************************************************************************* */
static void funk_free(struct multiboot *mboot)
{
struct funk_privdata *funk = (struct funk_privdata *)mboot->privdata;
if (funk->device != NULL)
{
free(funk->device);
}
free(funk);
free(mboot);
} /* funk_free */
static int funk_get_memtype(struct multiboot *mboot, const char *memname)
/* *************************************************************************
* optarg_copy
* ************************************************************************* */
static int funk_get_memtype(struct multiboot *mboot,
const char *memname)
{
if (strcmp(memname, "flash") == 0)
{
return MEMTYPE_FLASH;
}
else if (strcmp(memname, "eeprom") == 0)
{
return MEMTYPE_EEPROM;
}
return -1;
} /* funk_get_memtype */
static int funk_get_memsize(struct multiboot *mboot, int memtype)
/* *************************************************************************
* optarg_copy
* ************************************************************************* */
static int funk_get_memsize(struct multiboot *mboot,
int memtype)
{
struct funk_privdata *funk = (struct funk_privdata *)mboot->privdata;
if (!funk->connected)
{
return 0;
}
switch (memtype) {
case MEMTYPE_FLASH:
return funk->flashsize;
switch (memtype)
{
case MEMTYPE_FLASH:
return funk->flashsize;
case MEMTYPE_EEPROM:
return funk->eepromsize;
case MEMTYPE_EEPROM:
return funk->eepromsize;
default:
return 0;
default:
return 0;
}
} /* funk_get_memsize */
/* *************************************************************************
* funk_serial_read
* ************************************************************************* */
static int funk_serial_read(int fd, void *data, int size)
{
int pos = 0;
while (1) {
while (1)
{
fd_set fdset;
struct timeval timeout = { .tv_sec = 1, .tv_usec = 0 };
@ -282,21 +316,29 @@ static int funk_serial_read(int fd, void *data, int size)
FD_SET(fd, &fdset);
int ret = select(fd +1, &fdset, NULL, NULL, &timeout);
if (ret == -1) {
if (ret == -1)
{
perror("select");
return -1;
} else if (ret == 0) {
}
else if (ret == 0)
{
break;
} else if (FD_ISSET(fd, &fdset)) {
}
else if (FD_ISSET(fd, &fdset))
{
int len = read(fd, data + pos, size - pos);
if (len < 0) {
if (len < 0)
{
return -1;
} else {
}
else
{
pos += len;
if (pos == size) {
if (pos == size)
{
break;
}
}
@ -308,31 +350,48 @@ static int funk_serial_read(int fd, void *data, int size)
#if (FUNK_BRIDGE_DEBUG == 1) || (FUNK_PACKET_DEBUG == 1)
/* *************************************************************************
* funk_print_data
* ************************************************************************* */
static char * funk_print_data(uint8_t *data, uint16_t length)
{
int pos = 0, i = 0, j;
char *buf = malloc(length * 4 + 64);
while (pos < length) {
while (pos < length)
{
i += sprintf(buf + i, "%04X: ", pos);
for (j = 0; j < 16; j++) {
for (j = 0; j < 16; j++)
{
if (pos + j < length)
{
i += sprintf(buf + i, "%02X", data[pos + j]);
}
else
{
i += sprintf(buf + i, " ");
if (j % 2)
{
buf[i++] = ' ';
}
}
if (j % 2)
buf[i++] = ' ';
}
for (j = 0; j < 16; j++) {
if (pos + j < length) {
for (j = 0; j < 16; j++)
{
if (pos + j < length)
{
unsigned char val = data[pos + j];
if (val >= 0x20 && val < 0x80)
{
buf[i++] = val;
}
else
{
buf[i++] = '.';
} else {
}
}
else
{
buf[i++] = ' ';
}
}
@ -348,16 +407,27 @@ static char * funk_print_data(uint8_t *data, uint16_t length)
#endif
static int funk_bridge_send(struct funk_privdata *funk, uint8_t *header, uint8_t headerlength, uint8_t *data, uint8_t datalength)
/* *************************************************************************
* funk_bridge_send
* ************************************************************************* */
static int funk_bridge_send(struct funk_privdata *funk,
uint8_t *header,
uint8_t headerlength,
uint8_t *data,
uint8_t datalength)
{
if (headerlength > 0) {
if (write(funk->fd, header, headerlength) != headerlength) {
if (headerlength > 0)
{
if (write(funk->fd, header, headerlength) != headerlength)
{
return -1;
}
}
if (datalength > 0) {
if (write(funk->fd, data, datalength) != datalength) {
if (datalength > 0)
{
if (write(funk->fd, data, datalength) != datalength)
{
return -1;
}
}
@ -372,7 +442,14 @@ static int funk_bridge_send(struct funk_privdata *funk, uint8_t *header, uint8_t
} /* funk_bridge_send */
static int funk_bridge_recv(struct funk_privdata *funk, uint8_t command, uint8_t *cause, uint8_t *buffer, int buffersize)
/* *************************************************************************
* funk_bridge_recv
* ************************************************************************* */
static int funk_bridge_recv(struct funk_privdata *funk,
uint8_t command,
uint8_t *cause,
uint8_t *buffer,
int buffersize)
{
uint8_t response[3];
int len;
@ -384,45 +461,63 @@ static int funk_bridge_recv(struct funk_privdata *funk, uint8_t command, uint8_t
return -1;
}
if (response[0] != command) {
fprintf(stderr, "invalid command response (0x%02x != 0x%02x)\n", response[0], command);
if (response[0] != command)
{
fprintf(stderr, "invalid command response (0x%02x != 0x%02x)\n",
response[0], command);
return -1;
}
*cause = response[1];
uint16_t length = response[2];
uint16_t bufferpos = 0;
while (length > 0) {
while (length > 0)
{
/* free space in output buffer? */
if ((bufferpos < buffersize) && (buffer != NULL)) {
if ((bufferpos < buffersize) && (buffer != NULL))
{
uint16_t size = MIN(buffersize - bufferpos, length);
len = funk_serial_read(funk->fd, buffer + bufferpos, size);
if (len <= 0) {
fprintf(stderr, "short read() from device (%d != %d)\n", len, size);
if (len <= 0)
{
fprintf(stderr, "short read() from device (%d != %d)\n",
len, size);
return -1;
}
bufferpos += len;
length -= len;
} else {
}
else
{
uint8_t dummy[256];
/* no space in output buffer, but device still sends data -> do dummy read */
uint16_t size = MIN(sizeof(dummy), length);
len = funk_serial_read(funk->fd, dummy, size);
if (len <= 0) {
fprintf(stderr, "short read() from device (%d != %d)\n", len, size);
if (len <= 0)
{
fprintf(stderr, "short read() from device (%d != %d)\n",
len, size);
return -1;
}
length -= len;
}
}
#if (FUNK_BRIDGE_DEBUG == 1)
char *dump = funk_print_data(buffer, bufferpos);
printf("funk_bridge_recv() cmd=0x%02x cause=0x%02x length=0x%02x\n%s\n", command, *cause, length, dump);
printf("funk_bridge_recv() cmd=0x%02x cause=0x%02x length=0x%02x\n%s\n",
command, *cause, length, dump);
free(dump);
#endif
@ -430,22 +525,33 @@ static int funk_bridge_recv(struct funk_privdata *funk, uint8_t command, uint8_t
} /* funk_bridge_recv */
static int funk_send_packet(struct funk_privdata *funk, struct rfm12_pkt *pkt, int length)
/* *************************************************************************
* funk_send_packet
* ************************************************************************* */
static int funk_send_packet(struct funk_privdata *funk,
struct rfm12_pkt *pkt,
int length)
{
uint8_t request[] = { BRIDGE_CMD_TRANSMIT, length };
int ret = funk_bridge_send(funk, request, sizeof(request), (uint8_t *)pkt, length);
if (ret < 0)
{
return ret;
}
uint8_t cause = BRIDGE_CAUSE_SUCCESS;
ret = funk_bridge_recv(funk, request[0], &cause, NULL, 0);
if (ret != 0)
{
return -1;
}
#if (FUNK_PACKET_DEBUG == 1)
char *dump = funk_print_data((uint8_t *)pkt, length);
printf("funk_send_packet() cause=0x%02x length=0x%02x\n%s\n", cause, length, dump);
printf("funk_send_packet() cause=0x%02x length=0x%02x\n%s\n",
cause, length, dump);
free(dump);
#endif
@ -453,18 +559,27 @@ static int funk_send_packet(struct funk_privdata *funk, struct rfm12_pkt *pkt, i
} /* funk_send_packet */
static int funk_recv_packet(struct funk_privdata *funk, struct rfm12_pkt *pkt, int *length)
/* *************************************************************************
* funk_recv_packet
* ************************************************************************* */
static int funk_recv_packet(struct funk_privdata *funk,
struct rfm12_pkt *pkt,
int *length)
{
uint8_t request[] = { BRIDGE_CMD_RECEIVE, 0 };
int ret = funk_bridge_send(funk, request, sizeof(request), NULL, 0);
if (ret < 0)
{
return ret;
}
uint8_t cause = BRIDGE_CAUSE_SUCCESS;
ret = funk_bridge_recv(funk, request[0], &cause, (uint8_t *)pkt, *length);
if (ret < 0)
{
return -1;
}
*length = ret;
@ -478,18 +593,27 @@ static int funk_recv_packet(struct funk_privdata *funk, struct rfm12_pkt *pkt, i
} /* funk_recv_packet */
static int funk_bridge_version(struct funk_privdata *funk, uint8_t *version, int size)
/* *************************************************************************
* funk_bridge_version
* ************************************************************************* */
static int funk_bridge_version(struct funk_privdata *funk,
uint8_t *version,
int size)
{
uint8_t request[] = { BRIDGE_CMD_VERSION, 0 };
int ret = funk_bridge_send(funk, request, sizeof(request), NULL, 0);
if (ret < 0)
{
return ret;
}
uint8_t cause = BRIDGE_CAUSE_SUCCESS;
ret = funk_bridge_recv(funk, request[0], &cause, version, size);
if (ret < 0)
{
return ret;
}
version[ret] = '\0';
@ -497,6 +621,9 @@ static int funk_bridge_version(struct funk_privdata *funk, uint8_t *version, int
} /* funk_bridge_version */
/* *************************************************************************
* funk_close_device
* ************************************************************************* */
static void funk_close_device(struct funk_privdata *funk)
{
/* delay close() / tcsetattr() */
@ -507,15 +634,20 @@ static void funk_close_device(struct funk_privdata *funk)
} /* funk_close_device */
/* *************************************************************************
* funk_open_device
* ************************************************************************* */
static int funk_open_device(struct funk_privdata *funk)
{
funk->fd = open(funk->device, O_RDWR | O_NOCTTY | O_CLOEXEC);
if (funk->fd < 0) {
if (funk->fd < 0)
{
perror("open()");
return -1;
}
if (tcgetattr(funk->fd, &funk->oldtio) < 0) {
if (tcgetattr(funk->fd, &funk->oldtio) < 0)
{
perror("tcgetattr(oldtio)");
close(funk->fd);
return -1;
@ -531,7 +663,8 @@ static int funk_open_device(struct funk_privdata *funk)
newtio.c_cc[VTIME] = 0;
int err = tcsetattr(funk->fd, TCSANOW, &newtio);
if (err < 0) {
if (err < 0)
{
perror("tcsetattr(newtio)");
close(funk->fd);
return -1;
@ -542,7 +675,11 @@ static int funk_open_device(struct funk_privdata *funk)
} /* funk_open_device */
static int funk_switch_application(struct funk_privdata *funk, uint8_t application)
/* *************************************************************************
* funk_switch_application
* ************************************************************************* */
static int funk_switch_application(struct funk_privdata *funk,
uint8_t application)
{
struct rfm12_pkt packet;
@ -556,14 +693,16 @@ static int funk_switch_application(struct funk_privdata *funk, uint8_t applicati
packet.msg.p.switchapp.app = application;
int ret = funk_send_packet(funk, &packet, 4 + packet.data_length);
if (ret < 0) {
if (ret < 0)
{
fprintf(stderr, "funk_switch_application(): funk_send_packet()\n");
return ret;
}
int response_size = sizeof(packet);
ret = funk_recv_packet(funk, &packet, &response_size);
if (ret < 0) {
if (ret < 0)
{
fprintf(stderr, "funk_switch_application(): funk_recv_packet()\n");
return ret;
}
@ -579,7 +718,12 @@ static int funk_switch_application(struct funk_privdata *funk, uint8_t applicati
} /* funk_switch_application */
static int funk_read_version(struct funk_privdata *funk, uint8_t *version, uint16_t length)
/* *************************************************************************
* funk_read_version
* ************************************************************************* */
static int funk_read_version(struct funk_privdata *funk,
uint8_t *version,
uint16_t length)
{
struct rfm12_pkt packet;
@ -592,14 +736,16 @@ static int funk_read_version(struct funk_privdata *funk, uint8_t *version, uint1
packet.msg.cause = CAUSE_SUCCESS;
int ret = funk_send_packet(funk, &packet, 4 + packet.data_length);
if (ret < 0) {
if (ret < 0)
{
fprintf(stderr, "funk_read_version(): funk_send_packet()\n");
return ret;
}
int response_size = sizeof(packet);
ret = funk_recv_packet(funk, &packet, &response_size);
if (ret < 0) {
if (ret < 0)
{
fprintf(stderr, "funk_read_version(): funk_recv_packet()\n");
return ret;
}
@ -613,7 +759,9 @@ static int funk_read_version(struct funk_privdata *funk, uint8_t *version, uint1
int i;
for (i = 0; i < packet.data_length -3; i++)
{
version[i] = packet.msg.p.version.data[i] & 0x7F;
}
version[i] = '\0';
@ -621,7 +769,12 @@ static int funk_read_version(struct funk_privdata *funk, uint8_t *version, uint1
} /* funk_read_version */
static int funk_read_chipinfo(struct funk_privdata *funk, uint8_t *chipinfo, uint16_t length)
/* *************************************************************************
* funk_read_chipinfo
* ************************************************************************* */
static int funk_read_chipinfo(struct funk_privdata *funk,
uint8_t *chipinfo,
uint16_t length)
{
struct rfm12_pkt packet;
@ -634,7 +787,8 @@ static int funk_read_chipinfo(struct funk_privdata *funk, uint8_t *chipinfo, uin
packet.msg.cause = CAUSE_SUCCESS;
int ret = funk_send_packet(funk, &packet, 4 + packet.data_length);
if (ret < 0) {
if (ret < 0)
{
fprintf(stderr, "funk_read_chipinfo(): funk_send_packet()\n");
return ret;
}
@ -659,7 +813,14 @@ static int funk_read_chipinfo(struct funk_privdata *funk, uint8_t *chipinfo, uin
} /* funk_read_chipinfo */
static int funk_read_memory(struct funk_privdata *funk, uint8_t *buffer, uint16_t size, uint8_t memtype, uint16_t address)
/* *************************************************************************
* funk_read_memory
* ************************************************************************* */
static int funk_read_memory(struct funk_privdata *funk,
uint8_t *buffer,
uint16_t size,
uint8_t memtype,
uint16_t address)
{
struct rfm12_pkt packet;
@ -700,7 +861,14 @@ static int funk_read_memory(struct funk_privdata *funk, uint8_t *buffer, uint16_
} /* funk_read_memory */
static int __funk_write_memory(struct funk_privdata *funk, uint8_t *buffer, uint16_t size, uint8_t memtype, uint16_t address)
/* *************************************************************************
* __funk_write_memory
* ************************************************************************* */
static int __funk_write_memory(struct funk_privdata *funk,
uint8_t *buffer,
uint16_t size,
uint8_t memtype,
uint16_t address)
{
struct rfm12_pkt packet;
@ -718,14 +886,16 @@ static int __funk_write_memory(struct funk_privdata *funk, uint8_t *buffer, uint
memcpy(packet.msg.p.write_req.data, buffer, size);
int ret = funk_send_packet(funk, &packet, 4 + packet.data_length);
if (ret < 0) {
if (ret < 0)
{
fprintf(stderr, "funk_write_memory(): funk_send_packet()\n");
return ret;
}
int response_size = sizeof(packet);
ret = funk_recv_packet(funk, &packet, &response_size);
if (ret < 0) {
if (ret < 0)
{
fprintf(stderr, "funk_write_memory(): funk_recv_packet()\n");
return ret;
}
@ -741,7 +911,14 @@ static int __funk_write_memory(struct funk_privdata *funk, uint8_t *buffer, uint
} /* __funk_write_memory */
static int funk_write_memory(struct funk_privdata *funk, uint8_t *buffer, uint16_t size, uint8_t memtype, uint16_t address)
/* *************************************************************************
* funk_write_memory
* ************************************************************************* */
static int funk_write_memory(struct funk_privdata *funk,
uint8_t *buffer,
uint16_t size,
uint8_t memtype,
uint16_t address)
{
if (memtype == MEMTYPE_EEPROM)
{
@ -769,7 +946,9 @@ static int funk_write_memory(struct funk_privdata *funk, uint8_t *buffer, uint16
{
ret = __funk_write_memory(funk, &pagebuf[pos], WRITE_BLOCK_SIZE, memtype, address + pos);
if (ret < 0)
{
break;
}
}
free(pagebuf);
@ -777,39 +956,52 @@ static int funk_write_memory(struct funk_privdata *funk, uint8_t *buffer, uint16
} /* funk_write_memory */
/* *************************************************************************
* funk_close
* ************************************************************************* */
static int funk_close(struct multiboot *mboot)
{
struct funk_privdata *funk = (struct funk_privdata *)mboot->privdata;
if (funk->connected)
{
funk_switch_application(funk, BOOTTYPE_APPLICATION);
}
funk_close_device(funk);
return 0;
} /* funk_close */
/* *************************************************************************
* funk_open
* ************************************************************************* */
static int funk_open(struct multiboot *mboot)
{
struct funk_privdata *funk = (struct funk_privdata *)mboot->privdata;
if (funk->address == 0) {
if (funk->address == 0)
{
fprintf(stderr, "abort: no address given\n");
return -1;
}
if (funk->device == NULL) {
if (funk->device == NULL)
{
fprintf(stderr, "abort: no device given\n");
return -1;
}
if (funk_open_device(funk) < 0)
{
return -1;
}
printf("funkbridge dev : %-16s\n", funk->device);
char bridge_version[20];
if (funk_bridge_version(funk, (uint8_t *)bridge_version, sizeof(bridge_version))) {
if (funk_bridge_version(funk, (uint8_t *)bridge_version, sizeof(bridge_version)))
{
fprintf(stderr, "failed to get funkbridge version\n");
funk_close(mboot);
return -1;
@ -817,7 +1009,8 @@ static int funk_open(struct multiboot *mboot)
printf("funkbridge ver : %-16s\n", bridge_version);
if (funk_switch_application(funk, BOOTTYPE_BOOTLOADER)) {
if (funk_switch_application(funk, BOOTTYPE_BOOTLOADER))
{
fprintf(stderr, "failed to switch to bootloader (invalid address?)\n");
funk_close(mboot);
return -1;
@ -829,14 +1022,16 @@ static int funk_open(struct multiboot *mboot)
usleep(100000);
char version[20];
if (funk_read_version(funk, (uint8_t *)version, sizeof(version))) {
if (funk_read_version(funk, (uint8_t *)version, sizeof(version)))
{
fprintf(stderr, "failed to get bootloader version\n");
funk_close(mboot);
return -1;
}
uint8_t chipinfo[8];
if (funk_read_chipinfo(funk, chipinfo, sizeof(chipinfo))) {
if (funk_read_chipinfo(funk, chipinfo, sizeof(chipinfo)))
{
fprintf(stderr, "failed to get bootloader chipinfo\n");
funk_close(mboot);
return -1;
@ -848,26 +1043,39 @@ static int funk_open(struct multiboot *mboot)
funk->flashsize = (chipinfo[4] << 8) + chipinfo[5];
funk->eepromsize = (chipinfo[6] << 8) + chipinfo[7];
printf("version : %-16s (sig: 0x%02x 0x%02x 0x%02x => %s)\n", version, chipinfo[0], chipinfo[1], chipinfo[2], chipname);
printf("flash size : 0x%04x / %5d (0x%02x bytes/page)\n", funk->flashsize, funk->flashsize, funk->flashpage);
printf("eeprom size : 0x%04x / %5d\n", funk->eepromsize, funk->eepromsize);
printf("version : %-16s (sig: 0x%02x 0x%02x 0x%02x => %s)\n",
version, chipinfo[0], chipinfo[1], chipinfo[2], chipname);
printf("flash size : 0x%04x / %5d (0x%02x bytes/page)\n",
funk->flashsize, funk->flashsize, funk->flashpage);
printf("eeprom size : 0x%04x / %5d\n",
funk->eepromsize, funk->eepromsize);
return 0;
} /* funk_open */
static int funk_read(struct multiboot *mboot, struct databuf *dbuf, int memtype)
/* *************************************************************************
* funk_read
* ************************************************************************* */
static int funk_read(struct multiboot *mboot,
struct databuf *dbuf,
int memtype)
{
struct funk_privdata *funk = (struct funk_privdata *)mboot->privdata;
char *progress_msg = (memtype == MEMTYPE_FLASH) ? "reading flash" : "reading eeprom";
int pos = 0;
int size = (memtype == MEMTYPE_FLASH) ? funk->flashsize : funk->eepromsize;
while (pos < size) {
while (pos < size)
{
mboot->progress_cb(progress_msg, pos, size);
int len = MIN(READ_BLOCK_SIZE, size - pos);
if (funk_read_memory(funk, dbuf->data + pos, len, memtype, pos)) {
if (funk_read_memory(funk, dbuf->data + pos, len, memtype, pos))
{
mboot->progress_cb(progress_msg, -1, -1);
return -1;
}
@ -882,19 +1090,27 @@ static int funk_read(struct multiboot *mboot, struct databuf *dbuf, int memtype)
} /* funk_read */
static int funk_write(struct multiboot *mboot, struct databuf *dbuf, int memtype)
/* *************************************************************************
* funk_write
* ************************************************************************* */
static int funk_write(struct multiboot *mboot,
struct databuf *dbuf,
int memtype)
{
struct funk_privdata *funk = (struct funk_privdata *)mboot->privdata;
char *progress_msg = (memtype == MEMTYPE_FLASH) ? "writing flash" : "writing eeprom";
int pos = 0;
while (pos < dbuf->length) {
while (pos < dbuf->length)
{
mboot->progress_cb(progress_msg, pos, dbuf->length);
int len = (memtype == MEMTYPE_FLASH) ? funk->flashpage : WRITE_BLOCK_SIZE;
len = MIN(len, dbuf->length - pos);
if (funk_write_memory(funk, dbuf->data + pos, len, memtype, pos)) {
if (funk_write_memory(funk, dbuf->data + pos, len, memtype, pos))
{
mboot->progress_cb(progress_msg, -1, -1);
return -1;
}
@ -907,23 +1123,32 @@ static int funk_write(struct multiboot *mboot, struct databuf *dbuf, int memtype
} /* funk_write */
static int funk_verify(struct multiboot *mboot, struct databuf *dbuf, int memtype)
/* *************************************************************************
* funk_verify
* ************************************************************************* */
static int funk_verify(struct multiboot *mboot,
struct databuf *dbuf,
int memtype)
{
struct funk_privdata *funk = (struct funk_privdata *)mboot->privdata;
char *progress_msg = (memtype == MEMTYPE_FLASH) ? "verifing flash" : "verifing eeprom";
int pos = 0;
uint8_t comp[READ_BLOCK_SIZE];
while (pos < dbuf->length) {
while (pos < dbuf->length)
{
mboot->progress_cb(progress_msg, pos, dbuf->length);
int len = MIN(READ_BLOCK_SIZE, dbuf->length - pos);
if (funk_read_memory(funk, comp, len, memtype, pos)) {
if (funk_read_memory(funk, comp, len, memtype, pos))
{
mboot->progress_cb(progress_msg, -1, -1);
return -1;
}
if (memcmp(comp, dbuf->data + pos, len) != 0x00) {
if (memcmp(comp, dbuf->data + pos, len) != 0x00)
{
mboot->progress_cb(progress_msg, -1, -1);
fprintf(stderr, "verify failed at page 0x%04x!!\n", pos);
return -1;
@ -939,7 +1164,8 @@ static int funk_verify(struct multiboot *mboot, struct databuf *dbuf, int memtyp
} /* funk_verify */
struct multiboot_ops funk_ops = {
struct multiboot_ops funk_ops =
{
.alloc = funk_alloc,
.free = funk_free,
.get_memtype = funk_get_memtype,

433
mpm.c
View File

@ -40,7 +40,8 @@
struct multiboot_ops mpm_ops;
struct mpm_privdata {
struct mpm_privdata
{
char *device;
int fd;
int connected;
@ -54,44 +55,52 @@ struct mpm_privdata {
struct termios oldtio;
};
static struct option mpm_optargs[] = {
{"address", 1, 0, 'a'}, /* -a <addr> */
{"device", 1, 0, 'd'}, /* [ -d <device> ] */
static struct option mpm_optargs[] =
{
{ "address", 1, 0, 'a'}, /* -a <addr> */
{ "device", 1, 0, 'd'}, /* [ -d <device> ] */
};
/* *************************************************************************
* mpm_optarg_cb
* ************************************************************************* */
static int mpm_optarg_cb(int val, const char *arg, void *privdata)
{
struct mpm_privdata *mpm = (struct mpm_privdata *)privdata;
switch (val) {
case 'a': /* address */
{
char *endptr;
mpm->address = strtol(arg, &endptr, 16);
if (*endptr != '\0' || mpm->address < 0x01 || mpm->address > 0x7F) {
fprintf(stderr, "invalid address: '%s'\n", arg);
return -1;
}
}
break;
switch (val)
{
case 'a': /* address */
{
char *endptr;
mpm->address = strtol(arg, &endptr, 16);
case 'd': /* device */
{
if (mpm->device != NULL) {
if (*endptr != '\0' || mpm->address < 0x01 || mpm->address > 0x7F)
{
fprintf(stderr, "invalid address: '%s'\n", arg);
return -1;
}
}
break;
case 'd': /* device */
if (mpm->device != NULL)
{
fprintf(stderr, "invalid device: '%s'\n", optarg);
return -1;
}
mpm->device = strdup(optarg);
if (mpm->device == NULL) {
if (mpm->device == NULL)
{
perror("strdup()");
return -1;
}
}
break;
break;
case 'h':
case '?': /* error */
case 'h':
case '?': /* error */
fprintf(stderr, "Usage: mpmboot [options]\n"
" -a <address> - selects mpm address (0x01 - 0xFF)\n"
" -d <device> - selects mpm device\n"
@ -102,26 +111,34 @@ static int mpm_optarg_cb(int val, const char *arg, void *privdata)
"\n"
"Example: mpmboot -d /dev/ttyUSB0 -a 0x22 -w flash:blmc.hex -w flash:blmc_eeprom.hex\n"
"\n");
return -1;
default:
return 1;
default:
return 1;
}
return 0;
}
} /* mpm_optarg_cb */
/* *************************************************************************
* mpm_alloc
* ************************************************************************* */
static struct multiboot * mpm_alloc(void)
{
struct multiboot * mboot = malloc(sizeof(struct multiboot));
if (mboot == NULL)
{
return NULL;
}
memset(mboot, 0x00, sizeof(struct multiboot));
mboot->ops = &mpm_ops;
struct mpm_privdata *mpm = malloc(sizeof(struct mpm_privdata));
if (mpm == NULL) {
if (mpm == NULL)
{
free(mboot);
return NULL;
}
@ -130,65 +147,94 @@ static struct multiboot * mpm_alloc(void)
mpm->device = NULL;
mpm->address = 0;
optarg_register(mpm_optargs, ARRAY_SIZE(mpm_optargs), mpm_optarg_cb, (void *)mpm);
optarg_register(mpm_optargs, ARRAY_SIZE(mpm_optargs),
mpm_optarg_cb, (void *)mpm);
mboot->privdata = mpm;
return mboot;
}
} /* mpm_alloc */
/* *************************************************************************
* mpm_free
* ************************************************************************* */
static void mpm_free(struct multiboot *mboot)
{
struct mpm_privdata *mpm = (struct mpm_privdata *)mboot->privdata;
if (mpm->device != NULL)
{
free(mpm->device);
}
free(mpm);
free(mboot);
}
} /* mpm_free */
static int mpm_get_memtype(struct multiboot *mboot, const char *memname)
/* *************************************************************************
* mpm_get_memtype
* ************************************************************************* */
static int mpm_get_memtype(struct multiboot *mboot,
const char *memname)
{
if (strcmp(memname, "flash") == 0)
{
return MEMTYPE_FLASH;
}
else if (strcmp(memname, "eeprom") == 0)
{
return MEMTYPE_EEPROM;
}
return -1;
}
} /* mpm_get_memtype */
/* *************************************************************************
* mpm_get_memsize
* ************************************************************************* */
static int mpm_get_memsize(struct multiboot *mboot, int memtype)
{
struct mpm_privdata *mpm = (struct mpm_privdata *)mboot->privdata;
if (!mpm->connected)
return 0;
switch (memtype) {
case MEMTYPE_FLASH:
return mpm->flashsize;
case MEMTYPE_EEPROM:
return mpm->eepromsize;
default:
{
return 0;
}
}
static int mpm_send(struct mpm_privdata *mpm, uint8_t command, uint8_t *data, int length)
switch (memtype)
{
case MEMTYPE_FLASH:
return mpm->flashsize;
case MEMTYPE_EEPROM:
return mpm->eepromsize;
default:
return 0;
}
} /* mpm_get_memsize */
/* *************************************************************************
* mpm_send
* ************************************************************************* */
static int mpm_send(struct mpm_privdata *mpm, uint8_t command,
uint8_t *data, int length)
{
struct termios tio;
if (tcgetattr(mpm->fd, &tio) < 0) {
if (tcgetattr(mpm->fd, &tio) < 0)
{
perror("tcgetattr(tio)");
return -1;
}
tio.c_cflag |= PARODD;
if (tcsetattr(mpm->fd, TCSAFLUSH, &tio) < 0) {
if (tcsetattr(mpm->fd, TCSAFLUSH, &tio) < 0)
{
perror("tcsetattr(tio)");
return -1;
}
@ -196,7 +242,8 @@ static int mpm_send(struct mpm_privdata *mpm, uint8_t command, uint8_t *data, in
// usleep(5000);
uint8_t address = mpm->address;
if (write(mpm->fd, &address, sizeof(address)) != sizeof(address)) {
if (write(mpm->fd, &address, sizeof(address)) != sizeof(address))
{
perror("write(address)");
return -1;
}
@ -205,7 +252,8 @@ static int mpm_send(struct mpm_privdata *mpm, uint8_t command, uint8_t *data, in
tio.c_cflag &= ~(PARODD);
if (tcsetattr(mpm->fd, TCSAFLUSH, &tio) < 0) {
if (tcsetattr(mpm->fd, TCSAFLUSH, &tio) < 0)
{
perror("tcsetattr(tio)");
return -1;
}
@ -215,26 +263,34 @@ static int mpm_send(struct mpm_privdata *mpm, uint8_t command, uint8_t *data, in
header[1] = (length >> 8) & 0xFF;
header[2] = length & 0xFF;
if (write(mpm->fd, header, sizeof(header)) != sizeof(header)) {
if (write(mpm->fd, header, sizeof(header)) != sizeof(header))
{
perror("write(header)");
return -1;
}
if (data != NULL && length != 0) {
if (write(mpm->fd, data, length) != length) {
if (data != NULL && length != 0)
{
if (write(mpm->fd, data, length) != length)
{
perror("write(data)");
return -1;
}
}
return 0;
}
} /* mpm_send */
/* *************************************************************************
* myread
* ************************************************************************* */
static int myread(int fd, void *data, int size)
{
int pos = 0;
while (1) {
while (1)
{
fd_set fdset;
struct timeval timeout = { .tv_sec = 1, .tv_usec = 0 };
@ -242,21 +298,28 @@ static int myread(int fd, void *data, int size)
FD_SET(fd, &fdset);
int ret = select(fd +1, &fdset, NULL, NULL, &timeout);
if (ret == -1) {
if (ret == -1)
{
perror("select");
return -1;
} else if (ret == 0) {
}
else if (ret == 0)
{
break;
} else if (FD_ISSET(fd, &fdset)) {
}
else if (FD_ISSET(fd, &fdset))
{
int len = read(fd, data + pos, size - pos);
if (len < 0) {
if (len < 0)
{
return -1;
} else {
}
else
{
pos += len;
if (pos == size) {
if (pos == size)
{
break;
}
}
@ -264,20 +327,30 @@ static int myread(int fd, void *data, int size)
}
return pos;
}
} /* myread */
static int mpm_recv(struct mpm_privdata *mpm, uint8_t command, uint8_t *cause, uint8_t *buffer, uint16_t buffersize)
/* *************************************************************************
* mpm_recv
* ************************************************************************* */
static int mpm_recv(struct mpm_privdata *mpm,
uint8_t command,
uint8_t *cause,
uint8_t *buffer,
uint16_t buffersize)
{
int len;
uint8_t header[4];
len = myread(mpm->fd, header, sizeof(header));
if (len != sizeof(header)) {
if (len != sizeof(header))
{
fprintf(stderr, "short read() from device (not addressed?)\n");
return -1;
}
if (header[0] != command) {
if (header[0] != command)
{
fprintf(stderr, "invalid command response (0x%02x != 0x%02x)\n", header[0], command);
return -1;
}
@ -288,37 +361,51 @@ static int mpm_recv(struct mpm_privdata *mpm, uint8_t command, uint8_t *cause, u
// printf("mpm_recv() cmd=0x%02x cause=0x%02x length=0x%04x\n", command, *cause, length);
uint16_t bufferpos = 0;
while (length > 0) {
while (length > 0)
{
/* free space in output buffer? */
if ((bufferpos < buffersize) && (buffer != NULL)) {
if ((bufferpos < buffersize) && (buffer != NULL))
{
uint16_t size = MIN(buffersize - bufferpos, length);
len = myread(mpm->fd, buffer + bufferpos, size);
if (len <= 0) {
if (len <= 0)
{
fprintf(stderr, "short read() from device (%d != %d)\n", len, size);
return -1;
}
bufferpos += len;
length -= len;
} else {
}
else
{
uint8_t dummy[256];
/* no space in output buffer, but device still sends data -> do dummy read */
uint16_t size = MIN(sizeof(dummy), length);
len = myread(mpm->fd, dummy, size);
if (len <= 0) {
if (len <= 0)
{
fprintf(stderr, "short read() from device (%d != %d)\n", len, size);
return -1;
}
length -= len;
}
}
return bufferpos;
}
} /* mpm_recv */
/* *************************************************************************
* mpm_close_device
* ************************************************************************* */
static void mpm_close_device(struct mpm_privdata *mpm)
{
/* delay close() / tcsetattr() */
@ -326,17 +413,23 @@ static void mpm_close_device(struct mpm_privdata *mpm)
tcsetattr(mpm->fd, TCSANOW, &mpm->oldtio);
close(mpm->fd);
}
} /* mpm_close_device */
/* *************************************************************************
* mpm_open_device
* ************************************************************************* */
static int mpm_open_device(struct mpm_privdata *mpm)
{
mpm->fd = open(mpm->device, O_RDWR | O_NOCTTY | O_CLOEXEC);
if (mpm->fd < 0) {
if (mpm->fd < 0)
{
perror("open()");
return -1;
}
if (tcgetattr(mpm->fd, &mpm->oldtio) < 0) {
if (tcgetattr(mpm->fd, &mpm->oldtio) < 0)
{
perror("tcgetattr(oldtio)");
close(mpm->fd);
return -1;
@ -352,7 +445,8 @@ static int mpm_open_device(struct mpm_privdata *mpm)
newtio.c_cc[VTIME] = 0;
int err = tcsetattr(mpm->fd, TCSANOW, &newtio);
if (err < 0) {
if (err < 0)
{
perror("tcsetattr(newtio)");
close(mpm->fd);
return -1;
@ -360,58 +454,94 @@ static int mpm_open_device(struct mpm_privdata *mpm)
mpm->connected = 1;
return 0;
}
} /* mpm_open_device */
static int mpm_switch_application(struct mpm_privdata *mpm, uint8_t application)
/* *************************************************************************
* mpm_switch_application
* ************************************************************************* */
static int mpm_switch_application(struct mpm_privdata *mpm,
uint8_t application)
{
uint8_t data[] = { application };
int ret = mpm_send(mpm, CMD_SWITCH_APPLICATION, data, sizeof(data));
if (ret < 0)
{
return ret;
}
uint8_t cause = CAUSE_SUCCESS;
ret = mpm_recv(mpm, CMD_SWITCH_APPLICATION, &cause, NULL, 0);
if (ret < 0)
{
return ret;
}
return (cause != CAUSE_SUCCESS);
}
} /* mpm_switch_application */
static int mpm_read_version(struct mpm_privdata *mpm, uint8_t *version, uint16_t length)
/* *************************************************************************
* mpm_read_version
* ************************************************************************* */
static int mpm_read_version(struct mpm_privdata *mpm,
uint8_t *version, uint16_t length)
{
memset(version, 0, length);
int ret = mpm_send(mpm, CMD_GET_BOOTLOADER_VERSION, NULL, 0);
if (ret < 0)
{
return ret;
}
uint8_t cause = CAUSE_SUCCESS;
ret = mpm_recv(mpm, CMD_GET_BOOTLOADER_VERSION, &cause, version, length);
if (ret < 0)
{
return ret;
}
int i;
for (i = 0; i < length; i++)
{
version[i] &= ~0x80;
}
return (cause != CAUSE_SUCCESS);
}
static int mpm_read_chipinfo(struct mpm_privdata *mpm, uint8_t *chipinfo, uint16_t length)
/* *************************************************************************
* mpm_read_chipinfo
* ************************************************************************* */
static int mpm_read_chipinfo(struct mpm_privdata *mpm,
uint8_t *chipinfo, uint16_t length)
{
int ret = mpm_send(mpm, CMD_GET_CHIP_INFO, NULL, 0);
if (ret < 0)
{
return ret;
}
uint8_t cause = CAUSE_SUCCESS;
ret = mpm_recv(mpm, CMD_GET_CHIP_INFO, &cause, chipinfo, length);
if (ret < 0)
{
return ret;
}
return (cause != CAUSE_SUCCESS);
}
} /* mpm_read_chipinfo */
static int mpm_read_memory(struct mpm_privdata *mpm, uint8_t *buffer, uint16_t size, uint8_t memtype, uint16_t address)
/* *************************************************************************
* mpm_read_memory
* ************************************************************************* */
static int mpm_read_memory(struct mpm_privdata *mpm,
uint8_t *buffer, uint16_t size,
uint8_t memtype, uint16_t address)
{
uint8_t param[5] = {
memtype,
@ -423,33 +553,51 @@ static int mpm_read_memory(struct mpm_privdata *mpm, uint8_t *buffer, uint16_t s
int ret = mpm_send(mpm, CMD_READ_MEMORY, param, sizeof(param));
if (ret < 0)
{
return ret;
}
uint8_t cause = CAUSE_SUCCESS;
ret = mpm_recv(mpm, CMD_READ_MEMORY, &cause, buffer, size);
if (ret < 0)
{
return ret;
}
return (cause != CAUSE_SUCCESS);
}
} /* mpm_read_memory */
static int mpm_write_memory(struct mpm_privdata *mpm, uint8_t *buffer, uint16_t size, uint8_t memtype, uint16_t address)
/* *************************************************************************
* mpm_write_memory
* ************************************************************************* */
static int mpm_write_memory(struct mpm_privdata *mpm,
uint8_t *buffer, uint16_t size,
uint8_t memtype, uint16_t address)
{
int bufsize;
if (memtype == MEMTYPE_FLASH) {
if ((address & (mpm->flashpage -1)) != 0x00) {
if (memtype == MEMTYPE_FLASH)
{
if ((address & (mpm->flashpage -1)) != 0x00)
{
fprintf(stderr, "mpm_write_memory(): address 0x%04x not aligned to pagesize 0x%02x\n", address, mpm->flashpage);
return -1;
}
bufsize = 5 + mpm->flashpage;
} else {
}
else
{
bufsize = 5 + size;
}
uint8_t *cmd = malloc(bufsize);
if (cmd == NULL)
{
return -1;
}
cmd[0] = memtype;
cmd[1] = (address >> 8) & 0xFF;
@ -458,53 +606,73 @@ static int mpm_write_memory(struct mpm_privdata *mpm, uint8_t *buffer, uint16_t
cmd[4] = ((bufsize -5) & 0xFF);
memcpy(cmd +5, buffer, size);
if (memtype == MEMTYPE_FLASH) {
if (memtype == MEMTYPE_FLASH)
{
memset(cmd +5 +size, 0xFF, mpm->flashpage - size);
}
int ret = mpm_send(mpm, CMD_WRITE_MEMORY, cmd, bufsize);
if (ret < 0)
{
return ret;
}
free(cmd);
uint8_t cause = CAUSE_SUCCESS;
ret = mpm_recv(mpm, CMD_WRITE_MEMORY, &cause, NULL, 0);
if (ret < 0)
{
return ret;
}
return (cause != CAUSE_SUCCESS);
}
} /* mpm_write_memory */
/* *************************************************************************
* mpm_close
* ************************************************************************* */
static int mpm_close(struct multiboot *mboot)
{
struct mpm_privdata *mpm = (struct mpm_privdata *)mboot->privdata;
if (mpm->connected)
{
mpm_switch_application(mpm, BOOTTYPE_APPLICATION);
}
mpm_close_device(mpm);
return 0;
}
} /* mpm_close */
/* *************************************************************************
* mpm_open
* ************************************************************************* */
static int mpm_open(struct multiboot *mboot)
{
struct mpm_privdata *mpm = (struct mpm_privdata *)mboot->privdata;
if (mpm->address == 0) {
if (mpm->address == 0)
{
fprintf(stderr, "abort: no address given\n");
return -1;
}
if (mpm->device == NULL) {
if (mpm->device == NULL)
{
fprintf(stderr, "abort: no device given\n");
return -1;
}
if (mpm_open_device(mpm) < 0)
{
return -1;
}
if (mpm_switch_application(mpm, BOOTTYPE_BOOTLOADER)) {
if (mpm_switch_application(mpm, BOOTTYPE_BOOTLOADER))
{
fprintf(stderr, "failed to switch to bootloader (invalid address?)\n");
mpm_close(mboot);
return -1;
@ -514,14 +682,16 @@ static int mpm_open(struct multiboot *mboot)
usleep(100000);
char version[16];
if (mpm_read_version(mpm, (uint8_t *)version, sizeof(version))) {
if (mpm_read_version(mpm, (uint8_t *)version, sizeof(version)))
{
fprintf(stderr, "failed to get bootloader version\n");
mpm_close(mboot);
return -1;
}
uint8_t chipinfo[8];
if (mpm_read_chipinfo(mpm, chipinfo, sizeof(chipinfo))) {
if (mpm_read_chipinfo(mpm, chipinfo, sizeof(chipinfo)))
{
fprintf(stderr, "failed to get bootloader version\n");
mpm_close(mboot);
return -1;
@ -533,26 +703,41 @@ static int mpm_open(struct multiboot *mboot)
mpm->flashsize = (chipinfo[4] << 8) + chipinfo[5];
mpm->eepromsize = (chipinfo[6] << 8) + chipinfo[7];
printf("device : %-16s (address: 0x%02X)\n", mpm->device, mpm->address);
printf("version : %-16s (sig: 0x%02x 0x%02x 0x%02x => %s)\n", version, chipinfo[0], chipinfo[1], chipinfo[2], chipname);
printf("flash size : 0x%04x / %5d (0x%02x bytes/page)\n", mpm->flashsize, mpm->flashsize, mpm->flashpage);
printf("eeprom size : 0x%04x / %5d\n", mpm->eepromsize, mpm->eepromsize);
printf("device : %-16s (address: 0x%02X)\n",
mpm->device, mpm->address);
printf("version : %-16s (sig: 0x%02x 0x%02x 0x%02x => %s)\n",
version, chipinfo[0], chipinfo[1], chipinfo[2], chipname);
printf("flash size : 0x%04x / %5d (0x%02x bytes/page)\n",
mpm->flashsize, mpm->flashsize, mpm->flashpage);
printf("eeprom size : 0x%04x / %5d\n",
mpm->eepromsize, mpm->eepromsize);
return 0;
}
} /* mpm_open */
static int mpm_read(struct multiboot *mboot, struct databuf *dbuf, int memtype)
/* *************************************************************************
* mpm_read
* ************************************************************************* */
static int mpm_read(struct multiboot *mboot,
struct databuf *dbuf, int memtype)
{
struct mpm_privdata *mpm = (struct mpm_privdata *)mboot->privdata;
char *progress_msg = (memtype == MEMTYPE_FLASH) ? "reading flash" : "reading eeprom";
int pos = 0;
int size = (memtype == MEMTYPE_FLASH) ? mpm->flashsize : mpm->eepromsize;
while (pos < size) {
while (pos < size)
{
mboot->progress_cb(progress_msg, pos, size);
int len = MIN(READ_BLOCK_SIZE, size - pos);
if (mpm_read_memory(mpm, dbuf->data + pos, len, memtype, pos)) {
if (mpm_read_memory(mpm, dbuf->data + pos, len, memtype, pos))
{
mboot->progress_cb(progress_msg, -1, -1);
return -1;
}
@ -564,21 +749,28 @@ static int mpm_read(struct multiboot *mboot, struct databuf *dbuf, int memtype)
mboot->progress_cb(progress_msg, pos, size);
return 0;
}
} /* mpm_read */
static int mpm_write(struct multiboot *mboot, struct databuf *dbuf, int memtype)
/* *************************************************************************
* mpm_write
* ************************************************************************* */
static int mpm_write(struct multiboot *mboot,
struct databuf *dbuf, int memtype)
{
struct mpm_privdata *mpm = (struct mpm_privdata *)mboot->privdata;
char *progress_msg = (memtype == MEMTYPE_FLASH) ? "writing flash" : "writing eeprom";
int pos = 0;
while (pos < dbuf->length) {
while (pos < dbuf->length)
{
mboot->progress_cb(progress_msg, pos, dbuf->length);
int len = (memtype == MEMTYPE_FLASH) ? mpm->flashpage : WRITE_BLOCK_SIZE;
len = MIN(len, dbuf->length - pos);
if (mpm_write_memory(mpm, dbuf->data + pos, len, memtype, pos)) {
if (mpm_write_memory(mpm, dbuf->data + pos, len, memtype, pos))
{
mboot->progress_cb(progress_msg, -1, -1);
return -1;
}
@ -588,25 +780,34 @@ static int mpm_write(struct multiboot *mboot, struct databuf *dbuf, int memtype)
mboot->progress_cb(progress_msg, pos, dbuf->length);
return 0;
}
} /* mpm_write */
static int mpm_verify(struct multiboot *mboot, struct databuf *dbuf, int memtype)
/* *************************************************************************
* mpm_verify
* ************************************************************************* */
static int mpm_verify(struct multiboot *mboot,
struct databuf *dbuf, int memtype)
{
struct mpm_privdata *mpm = (struct mpm_privdata *)mboot->privdata;
char *progress_msg = (memtype == MEMTYPE_FLASH) ? "verifing flash" : "verifing eeprom";
int pos = 0;
uint8_t comp[READ_BLOCK_SIZE];
while (pos < dbuf->length) {
while (pos < dbuf->length)
{
mboot->progress_cb(progress_msg, pos, dbuf->length);
int len = MIN(READ_BLOCK_SIZE, dbuf->length - pos);
if (mpm_read_memory(mpm, comp, len, memtype, pos)) {
if (mpm_read_memory(mpm, comp, len, memtype, pos))
{
mboot->progress_cb(progress_msg, -1, -1);
return -1;
}
if (memcmp(comp, dbuf->data + pos, len) != 0x00) {
if (memcmp(comp, dbuf->data + pos, len) != 0x00)
{
mboot->progress_cb(progress_msg, -1, -1);
fprintf(stderr, "verify failed at page 0x%04x!!\n", pos);
return -1;
@ -619,9 +820,11 @@ static int mpm_verify(struct multiboot *mboot, struct databuf *dbuf, int memtype
mboot->progress_cb(progress_msg, pos, dbuf->length);
return 0;
}
} /* mpm_verify */
struct multiboot_ops mpm_ops = {
struct multiboot_ops mpm_ops =
{
.alloc = mpm_alloc,
.free = mpm_free,
.get_memtype = mpm_get_memtype,

231
multiboot.c
View File

@ -45,7 +45,8 @@ static struct prog_mode prog_modes[] =
{ "funkboot", &funk_ops },
};
struct mboot_action {
struct mboot_action
{
struct list_head list;
char *filename;
@ -55,78 +56,110 @@ struct mboot_action {
static LIST_HEAD(action_list);
static struct option main_optargs[] = {
{"help", 0, 0, 'h'}, /* [ -h ] */
{"progress", 1, 0, 'p'}, /* [ -p <0|1|2> ] */
{"read", 1, 0, 'r'}, /* [ -r <flash|eeprom>:<file.hex> ] */
{"write", 1, 0, 'w'}, /* [ -w <flash|eeprom>:<file.hex> ] */
{"no-verify", 0, 0, 'n'}, /* [ -n ] */
{0, 0, 0, 0}
static struct option main_optargs[] =
{
{ "help", 0, 0, 'h'}, /* [ -h ] */
{ "progress", 1, 0, 'p'}, /* [ -p <0|1|2> ] */
{ "read", 1, 0, 'r'}, /* [ -r <flash|eeprom>:<file.hex> ] */
{ "write", 1, 0, 'w'}, /* [ -w <flash|eeprom>:<file.hex> ] */
{ "no-verify", 0, 0, 'n'}, /* [ -n ] */
{ 0, 0, 0, 0}
};
/* *************************************************************************
* progress_mode0_cb
* ************************************************************************* */
static void progress_mode0_cb(const char *msg, int pos, int size)
{
/* no progress output */
}
} /* progress_mode0_cb */
/* *************************************************************************
* progress_mode1_cb
* ************************************************************************* */
static void progress_mode1_cb(const char *msg, int pos, int size)
{
if (pos != -1 && size != -1) {
if (pos != -1 && size != -1)
{
char stars[50];
int i;
int count = (pos * sizeof(stars) / size);
for (i = 0; i < sizeof(stars); i++)
{
stars[i] = (i < count) ? '*' : ' ';
}
printf("%-15s: [%s] (%d)\r", msg, stars, pos);
}
if (pos == size)
{
printf("\n");
}
}
} /* progress_mode1_cb */
/* *************************************************************************
* progress_mode2_cb
* ************************************************************************* */
static void progress_mode2_cb(const char *msg, int pos, int size)
{
static int old_count;
if (pos != -1 && size != -1) {
if (pos == 0) {
if (pos != -1 && size != -1)
{
if (pos == 0)
{
old_count = 0;
printf("%-15s: [", msg);
} else if (pos <=size) {
}
else if (pos <=size)
{
int i;
int count = (pos * 50 / size);
for (i = old_count; i < count; i++)
{
printf("*");
}
old_count = count;
if (pos == size) {
if (pos == size)
{
printf("] (%d)\n", pos);
}
}
}
}
} /* progress_mode2_cb */
/* *************************************************************************
* add_action
* ************************************************************************* */
static int add_action(struct multiboot *mboot, int mode, const char *arg)
{
struct mboot_action *action = malloc(sizeof(struct mboot_action));
if (action == NULL) {
if (action == NULL)
{
perror("malloc()");
return -1;
}
char *argcopy = strdup(arg);
if (argcopy == NULL) {
if (argcopy == NULL)
{
perror("strdup()");
free(action);
return -1;
}
char *tok = strtok(argcopy, ":");
if (tok == NULL) {
if (tok == NULL)
{
fprintf(stderr, "invalid argument: '%s'\n", arg);
free(argcopy);
free(action);
@ -134,7 +167,8 @@ static int add_action(struct multiboot *mboot, int mode, const char *arg)
}
action->memtype = mboot->ops->get_memtype(mboot, tok);
if (action->memtype == -1) {
if (action->memtype == -1)
{
fprintf(stderr, "invalid memtype: '%s'\n", tok);
free(argcopy);
free(action);
@ -142,7 +176,8 @@ static int add_action(struct multiboot *mboot, int mode, const char *arg)
}
tok = strtok(NULL, ":");
if (tok == NULL) {
if (tok == NULL)
{
fprintf(stderr, "invalid argument: '%s'\n", arg);
free(argcopy);
free(action);
@ -150,7 +185,8 @@ static int add_action(struct multiboot *mboot, int mode, const char *arg)
}
action->filename = strdup(tok);
if (action->filename == NULL) {
if (action->filename == NULL)
{
perror("strdup()");
free(argcopy);
free(action);
@ -162,57 +198,64 @@ static int add_action(struct multiboot *mboot, int mode, const char *arg)
list_add_tail(&action->list, &action_list);
free(argcopy);
return 0;
}
} /* add_action */
/* *************************************************************************
* main_optarg_cb
* ************************************************************************* */
static int main_optarg_cb(int val, const char *arg, void *privdata)
{
struct multiboot *mboot = (struct multiboot *)privdata;
switch (val) {
case 'r': /* read */
{
switch (val)
{
case 'r': /* read */
if (add_action(mboot, ACTION_READ, arg) < 0)
return -1;
}
break;
case 'w': /* write */
{
if (add_action(mboot, ACTION_WRITE, arg) < 0)
return -1;
}
break;
case 'n': /* no verify after write */
mboot->verify = 0;
break;
case 'p':
{
switch (*arg) {
case '0':
mboot->progress_cb = progress_mode0_cb;
break;
case '1':
mboot->progress_cb = progress_mode1_cb;
break;
case '2':
mboot->progress_cb = progress_mode2_cb;
break;
default:
fprintf(stderr, "invalid progress bar mode: '%s'\n", arg);
{
return -1;
}
}
break;
break;
case 'w': /* write */
if (add_action(mboot, ACTION_WRITE, arg) < 0)
{
return -1;
}
break;
case 'n': /* no verify after write */
mboot->verify = 0;
break;
case 'p':
switch (*arg)
{
case '0':
mboot->progress_cb = progress_mode0_cb;
break;
case '1':
mboot->progress_cb = progress_mode1_cb;
break;
case '2':
mboot->progress_cb = progress_mode2_cb;
break;
default:
fprintf(stderr, "invalid progress bar mode: '%s'\n", arg);
return -1;
}
break;
}
return 0;
}
/* *************************************************************************
* main
* ************************************************************************* */
int main(int argc, char *argv[])
{
struct multiboot *mboot = NULL;
@ -221,19 +264,23 @@ int main(int argc, char *argv[])
progname = (progname != NULL) ? (progname +1) : argv[0];
int i;
for (i = 0; i < ARRAY_SIZE(prog_modes); i++) {
for (i = 0; i < ARRAY_SIZE(prog_modes); i++)
{
struct prog_mode *mode = &prog_modes[i];
if (strcmp(progname, mode->progname) == 0) {
if (strcmp(progname, mode->progname) == 0)
{
mboot = mode->ops->alloc();
if (mboot == NULL) {
if (mboot == NULL)
{
fprintf(stderr, "failed to allocate '%s'\n", progname);
return -1;
}
}
}
if (mboot == NULL) {
if (mboot == NULL)
{
fprintf(stderr, "invalid progname\n");
return -1;
}
@ -241,35 +288,49 @@ int main(int argc, char *argv[])
mboot->verify = 1;
mboot->progress_cb = progress_mode1_cb;
optarg_register(main_optargs, ARRAY_SIZE(main_optargs), main_optarg_cb, (void *)mboot);
optarg_register(main_optargs, ARRAY_SIZE(main_optargs),
main_optarg_cb, (void *)mboot);
int abort = optarg_parse(argc, argv);
if (abort == -1 || mboot->ops->open(mboot) != 0)
if ((abort == -1) ||
(mboot->ops->open(mboot) != 0)
)
{
return -1;
}
setbuf(stdout, NULL);
struct mboot_action *action, *tmp;
list_for_each_entry(action, &action_list, list) {
list_for_each_entry(action, &action_list, list)
{
abort = 1;
if (action->mode == ACTION_READ) {
if (action->mode == ACTION_READ)
{
int memsize = mboot->ops->get_memsize(mboot, action->memtype);
if (memsize == 0)
{
break;
}
struct databuf *dbuf = dbuf_alloc(memsize);
if (dbuf == NULL)
{
break;
}
int result = mboot->ops->read(mboot, dbuf, action->memtype);
if (result != 0) {
if (result != 0)
{
fprintf(stderr, "failed to read from device\n");
dbuf_free(dbuf);
break;
}
result = file_write(action->filename, dbuf);
if (result != 0) {
if (result != 0)
{
fprintf(stderr, "failed to write file '%s'\n", action->filename);
dbuf_free(dbuf);
break;
@ -278,42 +339,53 @@ int main(int argc, char *argv[])
dbuf_free(dbuf);
abort = 0;
} else if (action->mode == ACTION_WRITE) {
}
else if (action->mode == ACTION_WRITE)
{
unsigned int size;
int result;
result = file_getsize(action->filename, &size);
if (result != 0)
{
break;
}
struct databuf *dbuf = dbuf_alloc(size);
if (dbuf == NULL)
{
break;
}
result = file_read(action->filename, dbuf);
if (result != 0) {
if (result != 0)
{
fprintf(stderr, "failed to read file '%s'\n", action->filename);
dbuf_free(dbuf);
break;
}
int memsize = mboot->ops->get_memsize(mboot, action->memtype);
if (memsize == 0) {
if (memsize == 0)
{
fprintf(stderr, "invalid memsize: 0x%04x > 0x%04x\n", dbuf->length, memsize);
dbuf_free(dbuf);
break;
}
result = mboot->ops->write(mboot, dbuf, action->memtype);
if (result != 0) {
if (result != 0)
{
fprintf(stderr, "failed to write to device\n");
dbuf_free(dbuf);
break;
}
if (mboot->verify) {
if (mboot->verify)
{
result = mboot->ops->verify(mboot, dbuf, action->memtype);
if (result != 0) {
if (result != 0)
{
fprintf(stderr, "failed to verify\n");
dbuf_free(dbuf);
break;
@ -325,7 +397,8 @@ int main(int argc, char *argv[])
}
}
list_for_each_entry_safe(action, tmp, &action_list, list) {
list_for_each_entry_safe(action, tmp, &action_list, list)
{
free(action->filename);
free(action);
}
@ -335,4 +408,4 @@ int main(int argc, char *argv[])
optarg_free();
return abort;
}
} /* main */

6
multiboot.h
View File

@ -4,7 +4,8 @@
#include <stdint.h>
#include "filedata.h"
struct multiboot {
struct multiboot
{
struct multiboot_ops *ops;
void *privdata;
@ -12,7 +13,8 @@ struct multiboot {
void (* progress_cb)(const char *msg, int pos, int max);
};
struct multiboot_ops {
struct multiboot_ops
{
struct multiboot * (* alloc)(void);
void (* free)(struct multiboot *mboot);

90
optarg.c
View File

@ -28,7 +28,8 @@
#define ARRAY_SIZE(x) (sizeof(x) / sizeof(*x))
struct optarg_entry {
struct optarg_entry
{
struct list_head list;
const struct option *opts;
int count;
@ -39,6 +40,10 @@ struct optarg_entry {
static LIST_HEAD(option_list);
/* *************************************************************************
* optarg_register
* ************************************************************************* */
int optarg_register(const struct option *opts, int count,
int (* parser_cb)(int val, const char *arg, void *privdata),
void *privdata)
@ -47,7 +52,9 @@ int optarg_register(const struct option *opts, int count,
entry = malloc(sizeof(struct optarg_entry));
if (entry == NULL)
{
return -1;
}
entry->opts = opts; /* TODO: copy? */
entry->count = count;
@ -56,18 +63,27 @@ int optarg_register(const struct option *opts, int count,
list_add_tail(&entry->list, &option_list);
return 0;
}
} /* optarg_register */
/* *************************************************************************
* optarg_free
* ************************************************************************* */
void optarg_free(void)
{
struct optarg_entry *entry, *entry_tmp;
list_for_each_entry_safe(entry, entry_tmp, &option_list, list) {
list_for_each_entry_safe(entry, entry_tmp, &option_list, list)
{
list_del(&entry->list);
free(entry);
}
}
} /* optarg_free */
/* *************************************************************************
* optarg_getsize
* ************************************************************************* */
static void optarg_getsize(int *opt_count, int *optstring_len)
{
int count = 0;
@ -75,17 +91,21 @@ static void optarg_getsize(int *opt_count, int *optstring_len)
struct optarg_entry *entry;
list_for_each_entry(entry, &option_list, list) {
list_for_each_entry(entry, &option_list, list)
{
count += entry->count;
int i;
for (i = 0; i < entry->count; i++) {
switch (entry->opts[i].has_arg) {
for (i = 0; i < entry->count; i++)
{
switch (entry->opts[i].has_arg)
{
case 0: /* no arguments */
case 1: /* has argument */
case 2: /* optional argument */
length += entry->opts[i].has_arg +1;
break;
default:
break;
}
@ -94,19 +114,26 @@ static void optarg_getsize(int *opt_count, int *optstring_len)
*opt_count = count +1;
*optstring_len = length +1;
}
} /* optarg_getsize */
/* *************************************************************************
* optarg_copy
* ************************************************************************* */
static void optarg_copy(struct option *opts, char *optstring)
{
struct optarg_entry *entry;
list_for_each_entry(entry, &option_list, list) {
list_for_each_entry(entry, &option_list, list)
{
memcpy(opts, entry->opts, sizeof(struct option) * entry->count);
opts += entry->count;
int i;
for (i = 0; i < entry->count; i++) {
switch (entry->opts[i].has_arg) {
for (i = 0; i < entry->count; i++)
{
switch (entry->opts[i].has_arg)
{
case 0: /* no arguments */
*optstring++ = (char)entry->opts[i].val;
break;
@ -130,8 +157,12 @@ static void optarg_copy(struct option *opts, char *optstring)
memset(opts++, 0x00, sizeof(struct option));
*optstring++ = '\0';
}
} /* optarg_copy */
/* *************************************************************************
* optarg_parse
* ************************************************************************* */
int optarg_parse(int argc, char * const argv[])
{
struct option *longopts;
@ -143,10 +174,13 @@ int optarg_parse(int argc, char * const argv[])
longopts = malloc(sizeof(struct option) * opt_count);
if (longopts == NULL)
{
return -1;
}
optstring = malloc(optstring_len);
if (optstring == NULL) {
if (optstring == NULL)
{
free(longopts);
return -1;
}
@ -155,32 +189,44 @@ int optarg_parse(int argc, char * const argv[])
int retval = 0;
int val = 0;
while (val != -1 && retval == 0) {
while (val != -1 && retval == 0)
{
opterr = 1; /* print error message to stderr */
val = getopt_long(argc, argv, optstring, longopts, NULL);
if (val == 0x00) /* variable assigned (not supported) */
/* variable assigned (not supported) */
if (val == 0x00)
{
continue;
}
struct optarg_entry *entry;
list_for_each_entry(entry, &option_list, list) {
list_for_each_entry(entry, &option_list, list)
{
int ret = entry->parser_cb(val, optarg, entry->privdata);
/* option recognized, with error */
if (ret < 0) {
if (ret < 0)
{
retval = ret;
break;
}
/* option recognized, no error */
} else if (ret == 0) {
else if (ret == 0)
{
break;
}
}
if (val == -1) /* parsing completed */
/* parsing completed */
if (val == -1)
{
break;
}
if (val == '?') { /* parsing error */
/* parsing error */
if (val == '?')
{
retval = 1;
break;
}
@ -190,4 +236,4 @@ int optarg_parse(int argc, char * const argv[])
free(longopts);
return retval;
}
} /* optarg_parse */

367
twi.c
View File

@ -66,7 +66,8 @@
struct multiboot_ops twi_ops;
struct twi_privdata {
struct twi_privdata
{
char *device;
uint8_t address;
int fd;
@ -77,62 +78,103 @@ struct twi_privdata {
uint16_t eepromsize;
};
static struct option twi_optargs[] = {
{"address", 1, 0, 'a'}, /* -a <addr> */
{"device", 1, 0, 'd'}, /* [ -d <device> ] */
static struct option twi_optargs[] =
{
{ "address", 1, 0, 'a'}, /* -a <addr> */
{ "device", 1, 0, 'd'}, /* [ -d <device> ] */
};
static int twi_switch_application(struct twi_privdata *twi, uint8_t application)
/* *************************************************************************
* twi_switch_application
* ************************************************************************* */
static int twi_switch_application(struct twi_privdata *twi,
uint8_t application)
{
uint8_t cmd[] = { CMD_SWITCH_APPLICATION, application };
return (write(twi->fd, cmd, sizeof(cmd)) != sizeof(cmd));
}
} /* twi_switch_application */
static int twi_read_version(struct twi_privdata *twi, char *version, int length)
/* *************************************************************************
* twi_switch_application
* ************************************************************************* */
static int twi_read_version(struct twi_privdata *twi,
char *version, int length)
{
uint8_t cmd[] = { CMD_READ_VERSION };
if (write(twi->fd, cmd, sizeof(cmd)) != sizeof(cmd))
{
return -1;
}
memset(version, 0, length);
if (read(twi->fd, version, length) != length)
{
return -1;
}
int i;
for (i = 0; i < length; i++)
{
version[i] &= ~0x80;
}
return 0;
}
} /* twi_read_version */
static int twi_read_memory(struct twi_privdata *twi, uint8_t *buffer, uint8_t size, uint8_t memtype, uint16_t address)
/* *************************************************************************
* twi_read_memory
* ************************************************************************* */
static int twi_read_memory(struct twi_privdata *twi,
uint8_t *buffer, uint8_t size,
uint8_t memtype, uint16_t address)
{
uint8_t cmd[] = { CMD_READ_MEMORY, memtype, (address >> 8) & 0xFF, (address & 0xFF) };
if (write(twi->fd, cmd, sizeof(cmd)) != sizeof(cmd))
{
return -1;
}
return (read(twi->fd, buffer, size) != size);
}
} /* twi_read_memory */
static int twi_write_memory(struct twi_privdata *twi, uint8_t *buffer, uint8_t size, uint8_t memtype, uint16_t address)
/* *************************************************************************
* twi_write_memory
* ************************************************************************* */
static int twi_write_memory(struct twi_privdata *twi,
uint8_t *buffer, uint8_t size,
uint8_t memtype, uint16_t address)
{
int bufsize;
if (memtype == MEMTYPE_FLASH) {
if ((address & (twi->pagesize -1)) != 0x00) {
fprintf(stderr, "twi_write_memory(): address 0x%04x not aligned to pagesize 0x%02x\n", address, twi->pagesize);
if (memtype == MEMTYPE_FLASH)
{
if ((address & (twi->pagesize -1)) != 0x00)
{
fprintf(stderr, "twi_write_memory(): address 0x%04x not aligned to pagesize 0x%02x\n",
address, twi->pagesize);
return -1;
}
bufsize = 4 + twi->pagesize;
} else {
bufsize = 4 + twi->pagesize;
}
else
{
bufsize = 4 + size;
}
uint8_t *cmd = malloc(bufsize);
if (cmd == NULL)
{
return -1;
}
cmd[0] = CMD_WRITE_MEMORY;
cmd[1] = memtype;
@ -140,7 +182,8 @@ static int twi_write_memory(struct twi_privdata *twi, uint8_t *buffer, uint8_t s
cmd[3] = (address & 0xFF);
memcpy(cmd +4, buffer, size);
if (memtype == MEMTYPE_FLASH) {
if (memtype == MEMTYPE_FLASH)
{
memset(cmd +4 +size, 0xFF, twi->pagesize - size);
}
@ -148,80 +191,118 @@ static int twi_write_memory(struct twi_privdata *twi, uint8_t *buffer, uint8_t s
free(cmd);
return (result != bufsize);
}
} /* twi_write_memory */
/* *************************************************************************
* twi_close_device
* ************************************************************************* */
static void twi_close_device(struct twi_privdata *twi)
{
if (twi->connected)
{
close(twi->fd);
}
twi->connected = 0;
}
} /* twi_close_device */
/* *************************************************************************
* twi_open_device
* ************************************************************************* */
static int twi_open_device(struct twi_privdata *twi)
{
twi->fd = open(twi->device, O_RDWR);
if (twi->fd < 0) {
fprintf(stderr, "failed to open '%s': %s\n", twi->device, strerror(errno));
if (twi->fd < 0)
{
fprintf(stderr, "failed to open '%s': %s\n",
twi->device, strerror(errno));
return -1;
}
unsigned long funcs;
if (ioctl(twi->fd, I2C_FUNCS, &funcs)) {
if (ioctl(twi->fd, I2C_FUNCS, &funcs))
{
perror("ioctl(I2C_FUNCS)");
close(twi->fd);
return -1;
}
if (!(funcs & I2C_FUNC_I2C)) {
fprintf(stderr, "I2C_FUNC_I2C not supported on '%s'!\n", twi->device);
if (!(funcs & I2C_FUNC_I2C))
{
fprintf(stderr, "I2C_FUNC_I2C not supported on '%s'!\n",
twi->device);
close(twi->fd);
return -1;
}
if (ioctl(twi->fd, I2C_SLAVE, twi->address) < 0) {
fprintf(stderr, "failed to select slave address '%d': %s\n", twi->address, strerror(errno));
if (ioctl(twi->fd, I2C_SLAVE, twi->address) < 0)
{
fprintf(stderr, "failed to select slave address '%d': %s\n",
twi->address, strerror(errno));
close(twi->fd);
return -1;
}
twi->connected = 1;
return 0;
}
} /* twi_open_device */
/* *************************************************************************
* twi_close
* ************************************************************************* */
static int twi_close(struct multiboot *mboot)
{
struct twi_privdata *twi = (struct twi_privdata *)mboot->privdata;
if (twi->connected)
{
twi_switch_application(twi, BOOTTYPE_APPLICATION);
}
twi_close_device(twi);
return 0;
}
} /* twi_close */
/* *************************************************************************
* twi_open
* ************************************************************************* */
static int twi_open(struct multiboot *mboot)
{
struct twi_privdata *twi = (struct twi_privdata *)mboot->privdata;
if (twi->address == 0) {
if (twi->address == 0)
{
fprintf(stderr, "abort: no address given\n");
return -1;
}
if (twi->device == NULL) {
if (twi->device == NULL)
{
twi->device = strdup(TWI_DEFAULT_DEVICE);
if (twi->device == NULL) {
if (twi->device == NULL)
{
perror("strdup()");
return -1;
}
}
if (twi_open_device(twi) != 0)
{
return -1;
}
if (twi_switch_application(twi, BOOTTYPE_BOOTLOADER))
{
fprintf(stderr, "failed to switch to bootloader (invalid address?): %s\n",
strerror(errno));
if (twi_switch_application(twi, BOOTTYPE_BOOTLOADER)) {
fprintf(stderr, "failed to switch to bootloader (invalid address?): %s\n", strerror(errno));
twi_close(mboot);
return -1;
}
@ -230,14 +311,18 @@ static int twi_open(struct multiboot *mboot)
usleep(100000);
char version[16];
if (twi_read_version(twi, version, sizeof(version))) {
fprintf(stderr, "failed to get bootloader version: %s\n", strerror(errno));
if (twi_read_version(twi, version, sizeof(version)))
{
fprintf(stderr, "failed to get bootloader version: %s\n",
strerror(errno));
twi_close(mboot);
return -1;
}
uint8_t chipinfo[8];
if (twi_read_memory(twi, chipinfo, sizeof(chipinfo), MEMTYPE_CHIPINFO, 0x0000)) {
if (twi_read_memory(twi, chipinfo, sizeof(chipinfo), MEMTYPE_CHIPINFO, 0x0000))
{
fprintf(stderr, "failed to get chipinfo: %s\n", strerror(errno));
twi_close(mboot);
return -1;
@ -249,26 +334,43 @@ static int twi_open(struct multiboot *mboot)
twi->flashsize = (chipinfo[4] << 8) + chipinfo[5];
twi->eepromsize = (chipinfo[6] << 8) + chipinfo[7];
printf("device : %-16s (address: 0x%02X)\n", twi->device, twi->address);
printf("version : %-16s (sig: 0x%02x 0x%02x 0x%02x => %s)\n", version, chipinfo[0], chipinfo[1], chipinfo[2], chipname);
printf("flash size : 0x%04x / %5d (0x%02x bytes/page)\n", twi->flashsize, twi->flashsize, twi->pagesize);
printf("eeprom size : 0x%04x / %5d\n", twi->eepromsize, twi->eepromsize);
printf("device : %-16s (address: 0x%02X)\n",
twi->device, twi->address);
printf("version : %-16s (sig: 0x%02x 0x%02x 0x%02x => %s)\n",
version, chipinfo[0], chipinfo[1], chipinfo[2], chipname);
printf("flash size : 0x%04x / %5d (0x%02x bytes/page)\n",
twi->flashsize, twi->flashsize, twi->pagesize);
printf("eeprom size : 0x%04x / %5d\n",
twi->eepromsize, twi->eepromsize);
return 0;
}
} /* twi_open */
static int twi_read(struct multiboot *mboot, struct databuf *dbuf, int memtype)
/* *************************************************************************
* twi_read
* ************************************************************************* */
static int twi_read(struct multiboot *mboot,
struct databuf *dbuf,
int memtype)
{
struct twi_privdata *twi = (struct twi_privdata *)mboot->privdata;
char *progress_msg = (memtype == MEMTYPE_FLASH) ? "reading flash" : "reading eeprom";
int pos = 0;
int size = (memtype == MEMTYPE_FLASH) ? twi->flashsize : twi->eepromsize;
while (pos < size) {
while (pos < size)
{
mboot->progress_cb(progress_msg, pos, size);
int len = MIN(READ_BLOCK_SIZE, size - pos);
if (twi_read_memory(twi, dbuf->data + pos, len, memtype, pos)) {
if (twi_read_memory(twi, dbuf->data + pos, len, memtype, pos))
{
mboot->progress_cb(progress_msg, -1, -1);
return -1;
}
@ -280,21 +382,30 @@ static int twi_read(struct multiboot *mboot, struct databuf *dbuf, int memtype)
mboot->progress_cb(progress_msg, pos, size);
return 0;
}
} /* twi_read */
static int twi_write(struct multiboot *mboot, struct databuf *dbuf, int memtype)
/* *************************************************************************
* twi_write
* ************************************************************************* */
static int twi_write(struct multiboot *mboot,
struct databuf *dbuf,
int memtype)
{
struct twi_privdata *twi = (struct twi_privdata *)mboot->privdata;
char *progress_msg = (memtype == MEMTYPE_FLASH) ? "writing flash" : "writing eeprom";
int pos = 0;
while (pos < dbuf->length) {
while (pos < dbuf->length)
{
mboot->progress_cb(progress_msg, pos, dbuf->length);
int len = (memtype == MEMTYPE_FLASH) ? twi->pagesize : WRITE_BLOCK_SIZE;
len = MIN(len, dbuf->length - pos);
if (twi_write_memory(twi, dbuf->data + pos, len, memtype, pos)) {
if (twi_write_memory(twi, dbuf->data + pos, len, memtype, pos))
{
mboot->progress_cb(progress_msg, -1, -1);
return -1;
}
@ -304,8 +415,12 @@ static int twi_write(struct multiboot *mboot, struct databuf *dbuf, int memtype)
mboot->progress_cb(progress_msg, pos, dbuf->length);
return 0;
}
} /* twi_write */
/* *************************************************************************
* twi_verify
* ************************************************************************* */
static int twi_verify(struct multiboot *mboot, struct databuf *dbuf, int memtype)
{
struct twi_privdata *twi = (struct twi_privdata *)mboot->privdata;
@ -313,16 +428,20 @@ static int twi_verify(struct multiboot *mboot, struct databuf *dbuf, int memtype
int pos = 0;
uint8_t comp[READ_BLOCK_SIZE];
while (pos < dbuf->length) {
while (pos < dbuf->length)
{
mboot->progress_cb(progress_msg, pos, dbuf->length);
int len = MIN(READ_BLOCK_SIZE, dbuf->length - pos);
if (twi_read_memory(twi, comp, len, memtype, pos)) {
if (twi_read_memory(twi, comp, len, memtype, pos))
{
mboot->progress_cb(progress_msg, -1, -1);
return -1;
}
if (memcmp(comp, dbuf->data + pos, len) != 0x00) {
if (memcmp(comp, dbuf->data + pos, len) != 0x00)
{
mboot->progress_cb(progress_msg, -1, -1);
fprintf(stderr, "verify failed at page 0x%04x!!\n", pos);
return -1;
@ -335,71 +454,85 @@ static int twi_verify(struct multiboot *mboot, struct databuf *dbuf, int memtype
mboot->progress_cb(progress_msg, pos, dbuf->length);
return 0;
}
} /* twi_verify */
/* *************************************************************************
* twi_optarg_cb
* ************************************************************************* */
static int twi_optarg_cb(int val, const char *arg, void *privdata)
{
struct twi_privdata *twi = (struct twi_privdata *)privdata;
switch (val) {
case 'a': /* address */
{
char *endptr;
twi->address = strtol(arg, &endptr, 16);
if (*endptr != '\0' || twi->address < 0x01 || twi->address > 0x7F) {
fprintf(stderr, "invalid address: '%s'\n", arg);
return -1;
}
}
break;
switch (val)
{
case 'a': /* address */
{
char *endptr;
case 'd': /* device */
{
if (twi->device != NULL) {
twi->address = strtol(arg, &endptr, 16);
if (*endptr != '\0' || twi->address < 0x01 || twi->address > 0x7F)
{
fprintf(stderr, "invalid address: '%s'\n", arg);
return -1;
}
}
break;
case 'd': /* device */
if (twi->device != NULL)
{
fprintf(stderr, "invalid device: '%s'\n", optarg);
return -1;
}
twi->device = strdup(optarg);
if (twi->device == NULL) {
if (twi->device == NULL)
{
perror("strdup()");
return -1;
}
}
break;
break;
case 'h':
case '?': /* error */
fprintf(stderr, "Usage: twiboot [options]\n"
" -a <address> - selects i2c address (0x01 - 0x7F)\n"
" -d <device> - selects i2c device (default: /dev/i2c-0)\n"
" -r <flash|eeprom>:<file> - reads flash/eeprom to file (.bin | .hex | -)\n"
" -w <flash|eeprom>:<file> - write flash/eeprom from file (.bin | .hex)\n"
" -n - disable verify after write\n"
" -p <0|1|2> - progress bar mode\n"
"\n"
"Example: twiboot -a 0x22 -w flash:blmc.hex -w flash:blmc_eeprom.hex\n"
"\n");
return -1;
case 'h':
case '?': /* error */
fprintf(stderr, "Usage: twiboot [options]\n"
" -a <address> - selects i2c address (0x01 - 0x7F)\n"
" -d <device> - selects i2c device (default: /dev/i2c-0)\n"
" -r <flash|eeprom>:<file> - reads flash/eeprom to file (.bin | .hex | -)\n"
" -w <flash|eeprom>:<file> - write flash/eeprom from file (.bin | .hex)\n"
" -n - disable verify after write\n"
" -p <0|1|2> - progress bar mode\n"
"\n"
"Example: twiboot -a 0x22 -w flash:blmc.hex -w flash:blmc_eeprom.hex\n"
"\n");
return -1;
default:
return 1;
default:
return 1;
}
return 0;
}
} /* twi_optarg_cb */
/* *************************************************************************
* twi_alloc
* ************************************************************************* */
static struct multiboot * twi_alloc(void)
{
struct multiboot * mboot = malloc(sizeof(struct multiboot));
if (mboot == NULL)
{
return NULL;
}
memset(mboot, 0x00, sizeof(struct multiboot));
mboot->ops = &twi_ops;
struct twi_privdata *twi = malloc(sizeof(struct twi_privdata));
if (twi == NULL) {
if (twi == NULL)
{
free(mboot);
return NULL;
}
@ -412,50 +545,74 @@ static struct multiboot * twi_alloc(void)
mboot->privdata = twi;
return mboot;
}
} /* twi_alloc */
/* *************************************************************************
* twi_free
* ************************************************************************* */
static void twi_free(struct multiboot *mboot)
{
struct twi_privdata *twi = (struct twi_privdata *)mboot->privdata;
if (twi->device != NULL)
{
free(twi->device);
}
free(twi);
free(mboot);
}
} /* twi_free */
static int twi_get_memtype(struct multiboot *mboot, const char *memname)
/* *************************************************************************
* twi_get_memtype
* ************************************************************************* */
static int twi_get_memtype(struct multiboot *mboot,
const char *memname)
{
if (strcmp(memname, "flash") == 0)
{
return MEMTYPE_FLASH;
}
else if (strcmp(memname, "eeprom") == 0)
{
return MEMTYPE_EEPROM;
}
return -1;
}
} /* twi_get_memtype */
static int twi_get_memsize(struct multiboot *mboot, int memtype)
/* *************************************************************************
* twi_get_memsize
* ************************************************************************* */
static int twi_get_memsize(struct multiboot *mboot,
int memtype)
{
struct twi_privdata *twi = (struct twi_privdata *)mboot->privdata;
if (!twi->connected)
return 0;
switch (memtype) {
case MEMTYPE_FLASH:
return twi->flashsize;
case MEMTYPE_EEPROM:
return twi->eepromsize;
default:
{
return 0;
}
}
struct multiboot_ops twi_ops = {
switch (memtype)
{
case MEMTYPE_FLASH:
return twi->flashsize;
case MEMTYPE_EEPROM:
return twi->eepromsize;
default:
return 0;
}
} /* twi_get_memsize */
struct multiboot_ops twi_ops =
{
.alloc = twi_alloc,
.free = twi_free,
.get_memtype = twi_get_memtype,