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imx_sdp.c
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/*
* imx_sdp:
* Implementation of the Serial Download Protocol (SDP) for i.MX/Vybrid
* series processors.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
#include <stdio.h>
#include <sys/types.h>
#include <time.h>
#ifndef WIN32
#include <unistd.h>
#else
#include <windows.h>
#include <stddef.h>
#endif
#include <ctype.h>
#ifndef WIN32
#include <sys/io.h>
#else
#include <io.h>
#endif
#include <errno.h>
#include <string.h>
#include <stdlib.h>
#include <stdint.h>
#include "imx_sdp.h"
#ifndef WIN32
#ifdef DEBUG
#define dbg_printf(fmt, args...) fprintf(stderr, fmt, ## args)
#else
#define dbg_printf(fmt, args...) /* Don't do anything in release builds */
#endif
#else
#ifdef DEBUG
#define dbg_printf(fmt, ...) fprintf(stderr, fmt, __VA_ARGS__)
#else
#define dbg_printf(fmt, ...) /* Don't do anything in release builds */
#define R_OK 04
#define access(filename,oflag) _access(filename,oflag)
#endif
#define usleep(us) Sleep((us+999)/1000)
#endif
#define get_min(a, b) (((a) < (b)) ? (a) : (b))
int get_val(const char** pp, int base)
{
int val = 0;
const char *p = *pp;
while (*p==' ') p++;
if (*p=='0') {
p++;
if ((*p=='x')||(*p=='X')) {
p++;
base = 16;
}
}
while (*p) {
char c = *p++;
if ((c >= '0')&&(c <= '9')) {
c -= '0';
} else {
c &= ~('a'-'A');
if ((c >= 'A')&&(c <= 'F')) c -= ('A'-10);
else {
p--;
break;
}
}
if (c >= base) {
printf("Syntax error: %s\n", p-1);
val = -1;
break;
}
val = (val * base) + c;
}
while (*p==' ') p++;
*pp = p;
return val;
}
const unsigned char *move_string(unsigned char *dest, const unsigned char *src, unsigned cnt)
{
unsigned i = 0;
while (i < cnt) {
char c = *src++;
if ((!c) || (c == ' ') || (c == 0x0d) || (c == '\n') || (c == '#') || (c == ':')) {
src--;
break;
}
dest[i++] = c;
}
return src;
}
char const *get_base_path(char const *argv0)
{
static char base_path[512];
char *e;
strncpy(base_path, argv0, sizeof(base_path));
e = strrchr(base_path, PATH_SEPARATOR);
#ifdef __unix__
if (!e) {
readlink("/proc/self/exe", base_path,sizeof(base_path));
e = strrchr(base_path, PATH_SEPARATOR);
}
#endif
if (e) {
dbg_printf( "trailing slash == %p:%s\n", e, e);
e[1] = 0;
} else {
dbg_printf( "no trailing slash\n");
}
return base_path;
}
char const *conf_path_ok(char const *conf_path, char const *conf_file)
{
static char conf[512];
strncpy(conf, conf_path, sizeof(conf));
strncat(conf, conf_file, sizeof(conf));
if (access(conf, R_OK) != -1) {
printf("config file <%s>\n", conf);
return conf;
}
return NULL;
}
char const *conf_file_name(char const *file, char const *base_path, char const *conf_path)
{
char const *conf;
// First priority, base path, relative path of binary...
dbg_printf("checking with base_path %s\n", base_path);
conf = conf_path_ok(base_path, file);
if (conf != NULL)
return conf;
// Second priority, conf path... (either -c, binary or /etc/imx-loader.d/)
dbg_printf("checking with conf_path %s\n", base_path);
conf = conf_path_ok(conf_path, file);
if (conf != NULL)
return conf;
printf("%s not found\n", file);
return NULL;
}
char const *skip(const char *p, char c)
{
while (*p==' ') p++;
if (*p == c) {
p++;
}
while (*p==' ') p++;
return p;
}
int end_of_line(const char *p)
{
while (*p == ' ') p++;
if ((!p[0]) || (*p == '#') || (*p == '\n') || (*p == '\r'))
return 1;
return 0;
}
void parse_mem_work(struct sdp_work *curr, const char *filename, const char *p)
{
struct mem_work *wp;
struct mem_work **link;
struct mem_work w;
unsigned int i;
const char *start = p;
p = skip(p,':');
memset(&w, 0, sizeof(w));
if (strncmp(p, "read", 4) == 0) {
p += 4;
p = skip(p,',');
i = MEM_TYPE_READ;
} else if (strncmp(p, "write", 5) == 0) {
p += 5;
p = skip(p,',');
i = MEM_TYPE_WRITE;
} else if (strncmp(p, "modify", 6) == 0) {
p += 6;
p = skip(p,',');
i = MEM_TYPE_MODIFY;
} else {
printf("%s: syntax error: %s {%s}\n", filename, p, start);
}
w.type = i;
i = 0;
for (;;) {
w.vals[i] = get_val(&p, 16);
if (i >= w.type)
break;
p = skip(p,',');
if ((*p == 0) || (*p == '#')) {
printf("%s: missing argment: %s {%s}\n", filename, p, start);
return;
}
i++;
}
if (!end_of_line(p)) {
printf("%s: syntax error: %s {%s}\n", filename, p, start);
return;
}
wp = (struct mem_work *)malloc(sizeof(struct mem_work));
if (!wp)
return;
link = &curr->mem;
while (*link)
link = &(*link)->next;
*wp = w;
*link = wp;
}
void parse_file_work(struct sdp_work *curr, const char *filename, const char *p)
{
const char *start = p;
p = move_string(curr->filename, p, sizeof(curr->filename) - 1);
p = skip(p,':');
for (;;) {
const char *q = p;
if ((!*p) || (*p == '#') || (*p == '\n') || (*p == 0x0d))
break;
if (strncmp(p, "dcd", 3) == 0) {
p += 3;
p = skip(p,',');
curr->dcd = 1;
}
if (strncmp(p, "clear_dcd", 9) == 0) {
p += 9;
p = skip(p,',');
curr->clear_dcd = 1;
// printf("clear_dcd\n");
}
if (strncmp(p, "plug", 4) == 0) {
p += 4;
p = skip(p,',');
curr->plug = 1;
// printf("plug\n");
}
if (strncmp(p, "load", 4) == 0) {
p += 4;
curr->load_addr = get_val(&p, 16);
p = skip(p,',');
}
if (strncmp(p, "jump", 4) == 0) {
p += 4;
curr->jump_mode = J_ADDR;
curr->jump_addr = get_val(&p, 16);
if (strncmp(p, "header2", 7) == 0) {
p += 7;
p = skip(p,',');
curr->jump_mode = J_HEADER2;
} else if (strncmp(p, "header", 6) == 0) {
p += 6;
p = skip(p,',');
curr->jump_mode = J_HEADER;
}
p = skip(p,',');
// printf("jump\n");
}
if (q == p) {
printf("%s: syntax error: %s {%s}\n", filename, p, start);
break;
}
}
}
/*
* #hid/bulk,[old_header,]max packet size, {ram start, ram size}(repeat valid ram areas)
*hid,1024,0x10000000,1G,0x00907000,0x31000
*
*/
void parse_transfer_type(struct sdp_dev *usb, const char *filename, const char *p)
{
int i;
if (strncmp(p, "hid", 3) == 0) {
p += 3;
p = skip(p,',');
usb->mode = MODE_HID;
} else if (strncmp(p, "bulk", 4) == 0) {
p += 4;
p = skip(p,',');
usb->mode = MODE_BULK;
} else {
printf("%s: hid/bulk expected\n", filename);
}
if (strncmp(p, "old_header", 10) == 0) {
p += 10;
p = skip(p,',');
usb->header_type = HDR_MX51;
} else {
usb->header_type = HDR_MX53;
}
usb->max_transfer = get_val(&p, 10);
p = skip(p,',');
for (i = 0; i < 8; i++) {
usb->ram[i].start = get_val(&p, 10);
p = skip(p,',');
usb->ram[i].size = get_val(&p, 10);
if ((*p == 'G') || (*p == 'g')) {
usb->ram[i].size <<= 30;
p++;
} else if ((*p == 'M') || (*p == 'm')) {
usb->ram[i].size <<= 20;
p++;
} else if ((*p == 'K') || (*p == 'k')) {
usb->ram[i].size <<= 10;
p++;
}
p = skip(p,',');
if ((*p == '#') || (*p == '\n') || (!*p))
break;
}
}
struct sdp_dev *parse_conf(const char *filename)
{
char line[512];
FILE *xfile;
const char *p;
struct sdp_work *tail = NULL;
struct sdp_work *curr = NULL;
struct sdp_dev *usb = (struct sdp_dev *)malloc(sizeof(struct sdp_dev));
if (!usb)
return NULL;
memset(usb, 0, sizeof(struct sdp_dev));
xfile = fopen(filename, "rb" );
if (!xfile) {
printf("Could not open file: {%s}\n", filename);
free(usb);
return NULL;
}
printf("parse %s\n", filename);
while (fgets(line, sizeof(line), xfile) != NULL) {
p = line;
while (*p==' ') p++;
if (p[0] == '#')
continue;
if (p[0] == 0)
continue;
if (p[0] == '\n')
continue;
if (p[0] == 0x0d)
continue;
if (!usb->name[0]) {
p = move_string(usb->name, p, sizeof(usb->name) - 1);
continue;
}
if (!usb->max_transfer) {
parse_transfer_type(usb, filename, p);
continue;
}
/*
* #file:dcd,plug,load nnn,jump [nnn/header/header2]
*/
if (!curr) {
curr = (struct sdp_work *)malloc(sizeof(struct sdp_work));
if (!curr)
break;
memset(curr, 0, sizeof(struct sdp_work));
if (!usb->work)
usb->work = curr;
if (tail)
tail->next = curr;
tail = curr;
curr->load_addr = usb->ram[0].start + 0x03f00000; /* default */
}
if (p[0] == ':') {
parse_mem_work(curr, filename, p);
} else {
parse_file_work(curr, filename, p);
curr = NULL;
}
}
return usb;
}
struct sdp_work *parse_cmd_args(int argc, char * const *argv)
{
int i = 0;
struct sdp_work *prev = NULL;
struct sdp_work *w = NULL;
struct sdp_work *head = NULL;
while (argc > i) {
const char *p = argv[i];
if (*p == '-') {
char c;
p++;
c = *p++;
if (w == NULL) {
printf("specify file first\n");
exit(1);
}
if (!*p) {
i++;
p = argv[i];
}
if (c == 's') {
w->load_size = get_val(&p, 10);
if (!w->load_addr)
w->load_addr = 0x10800000;
w->plug = 0;
w->jump_mode = 0;
i++;
continue;
}
if (c == 'l') {
w->load_addr = get_val(&p, 16);
w->plug = 0;
w->jump_mode = 0;
i++;
continue;
}
fprintf(stderr, "Unknown option %s\n", p);
exit(1);
}
// Initialize work structure..
w = malloc(sizeof(struct sdp_work));
memset(w, 0, sizeof(struct sdp_work));
strncpy(w->filename, argv[i], sizeof(w->filename) - 1);
if (access(w->filename, R_OK) == -1) {
fprintf(stderr, "cannot read from file %s\n",
w->filename);
exit(1);
}
if (head == NULL) {
// Special settings for first work...
w->dcd = 1;
w->plug = 1;
w->jump_mode = J_HEADER;
head = w;
}
if (prev != NULL)
prev->next = w;
prev = w;
i++;
}
return head;
}
void print_sdp_work(struct sdp_work *curr)
{
printf("== work item\n");
printf("filename %s\n", curr->filename);
printf("load_size %d bytes\n", curr->load_size);
printf("load_addr 0x%08x\n", curr->load_addr);
printf("dcd %u\n", curr->dcd);
printf("clear_dcd %u\n", curr->clear_dcd);
printf("plug %u\n", curr->plug);
printf("jump_mode %d\n", curr->jump_mode);
printf("jump_addr 0x%08x\n", curr->jump_addr);
printf("== end work item\n");
return;
}
long get_file_size(FILE *xfile)
{
long size;
fseek(xfile, 0, SEEK_END);
size = ftell(xfile);
rewind(xfile);
// printf("filesize=%lx\n", size);
return size;
}
struct boot_data {
uint32_t dest;
uint32_t image_len;
uint32_t plugin;
};
struct ivt_header {
#define IVT_BARKER 0x402000d1
uint32_t barker;
uint32_t start_addr;
uint32_t reserv1;
uint32_t dcd_ptr;
uint32_t boot_data_ptr; /* struct boot_data * */
uint32_t self_ptr; /* struct ivt_header *, this - boot_data.start = offset linked at */
uint32_t app_code_csf;
uint32_t reserv2;
};
/*
* MX51 header type
*/
struct old_app_header {
uint32_t app_start_addr;
#define APP_BARKER 0xb1
#define DCD_BARKER 0xb17219e9
uint32_t app_barker;
uint32_t csf_ptr;
uint32_t dcd_ptr_ptr;
uint32_t srk_ptr;
uint32_t dcd_ptr;
uint32_t app_dest_ptr;
};
#define V(a) (((a)>>24)&0xff),(((a)>>16)&0xff),(((a)>>8)&0xff), ((a)&0xff)
static int read_memory(struct sdp_dev *dev, unsigned addr, unsigned char *dest, unsigned cnt)
{
// address, format, data count, data, type
static unsigned char read_reg_command[] = {1,1, V(0), 0x20, V(0x00000004), V(0), 0x00};
int retry = 0;
int last_trans;
int err;
int rem;
unsigned char tmp[64];
read_reg_command[2] = (unsigned char)(addr >> 24);
read_reg_command[3] = (unsigned char)(addr >> 16);
read_reg_command[4] = (unsigned char)(addr >> 8);
read_reg_command[5] = (unsigned char)(addr);
read_reg_command[7] = (unsigned char)(cnt >> 24);
read_reg_command[8] = (unsigned char)(cnt >> 16);
read_reg_command[9] = (unsigned char)(cnt >> 8);
read_reg_command[10] = (unsigned char)(cnt);
for (;;) {
err = dev->transfer(dev, 1, read_reg_command, 16, 0, &last_trans);
if (!err)
break;
printf("read_reg_command err=%i, last_trans=%i\n", err, last_trans);
if (retry > 5) {
return -4;
}
retry++;
}
err = dev->transfer(dev, 3, tmp, 4, 4, &last_trans);
if (err) {
printf("r3 in err=%i, last_trans=%i %02x %02x %02x %02x\n", err, last_trans, tmp[0], tmp[1], tmp[2], tmp[3]);
return err;
}
rem = cnt;
while (rem) {
tmp[0] = tmp[1] = tmp[2] = tmp[3] = 0;
err = dev->transfer(dev, 4, tmp, 64, rem > 64 ? 64 : rem, &last_trans);
if (err) {
printf("r4 in err=%i, last_trans=%i %02x %02x %02x %02x cnt=%d rem=%d\n", err, last_trans, tmp[0], tmp[1], tmp[2], tmp[3], cnt, rem);
break;
}
if ((last_trans > rem) || (last_trans > 64)) {
if ((last_trans == 64) && (cnt == rem)) {
/* Last transfer is expected to be too large for HID */
} else {
printf("err: %02x %02x %02x %02x cnt=%d rem=%d last_trans=%i\n", tmp[0], tmp[1], tmp[2], tmp[3], cnt, rem, last_trans);
}
last_trans = rem;
if (last_trans > 64)
last_trans = 64;
}
memcpy(dest, tmp, last_trans);
dest += last_trans;
rem -= last_trans;
}
return err;
}
// address, format, data count, data, type
static unsigned char write_reg_command[] = {2,2, V(0), 0x20, V(0x00000004), V(0), 0x00};
static int write_memory(struct sdp_dev *dev, unsigned addr, unsigned val)
{
int retry = 0;
int last_trans;
int err = 0;
unsigned char tmp[64];
write_reg_command[2] = (unsigned char)(addr >> 24);
write_reg_command[3] = (unsigned char)(addr >> 16);
write_reg_command[4] = (unsigned char)(addr >> 8);
write_reg_command[5] = (unsigned char)(addr);
write_reg_command[11] = (unsigned char)(val >> 24);
write_reg_command[12] = (unsigned char)(val >> 16);
write_reg_command[13] = (unsigned char)(val >> 8);
write_reg_command[14] = (unsigned char)(val);
for (;;) {
err = dev->transfer(dev, 1, write_reg_command, 16, 0, &last_trans);
if (!err)
break;
printf("write_reg_command err=%i, last_trans=%i\n", err, last_trans);
if (retry > 5) {
return -4;
}
retry++;
}
memset(tmp, 0, sizeof(tmp));
err = dev->transfer(dev, 3, tmp, sizeof(tmp), 4, &last_trans);
dbg_printf("report 3, err=%i, last_trans=%i %02x %02x %02x %02x %02x %02x %02x %02x\n",
err, last_trans, tmp[0], tmp[1], tmp[2], tmp[3],
tmp[4], tmp[5], tmp[6], tmp[7]);
if (err) {
printf("w3 in err=%i, last_trans=%i %02x %02x %02x %02x\n", err, last_trans, tmp[0], tmp[1], tmp[2], tmp[3]);
printf("addr=0x%08x, val=0x%08x\n", addr, val);
}
memset(tmp, 0, sizeof(tmp));
err = dev->transfer(dev, 4, tmp, sizeof(tmp), 4, &last_trans);
dbg_printf("report 4, err=%i, last_trans=%i %02x %02x %02x %02x %02x %02x %02x %02x\n",
err, last_trans, tmp[0], tmp[1], tmp[2], tmp[3],
tmp[4], tmp[5], tmp[6], tmp[7]);
if (err)
printf("w4 in err=%i, last_trans=%i %02x %02x %02x %02x\n", err, last_trans, tmp[0], tmp[1], tmp[2], tmp[3]);
return err;
}
void perform_mem_work(struct sdp_dev *dev, struct mem_work *mem)
{
unsigned tmp, tmp2;
while (mem) {
switch (mem->type) {
case MEM_TYPE_READ:
read_memory(dev, mem->vals[0], (unsigned char *)&tmp, 4);
printf("*%x is %x\n", mem->vals[0], tmp);
break;
case MEM_TYPE_WRITE:
write_memory(dev, mem->vals[0], mem->vals[1]);
printf("%x write %x\n", mem->vals[0], mem->vals[1]);
break;
case MEM_TYPE_MODIFY:
read_memory(dev, mem->vals[0], (unsigned char *)&tmp, 4);
tmp2 = (tmp & ~mem->vals[1]) | mem->vals[2];
printf("%x = %x to %x\n", mem->vals[0], tmp, tmp2);
write_memory(dev, mem->vals[0], tmp2);
break;
}
mem = mem->next;
}
}
static int write_dcd_table_ivt(struct sdp_dev *dev, struct ivt_header *hdr, unsigned char *file_start, unsigned cnt)
{
unsigned char *dcd_end;
unsigned m_length;
#define cvt_dest_to_src (((unsigned char *)hdr) - hdr->self_ptr)
unsigned char* dcd;
unsigned char* file_end = file_start + cnt;
int err = 0;
if (!hdr->dcd_ptr) {
printf("No dcd table, barker=%x\n", hdr->barker);
return 0; //nothing to do
}
dcd = hdr->dcd_ptr + cvt_dest_to_src;
if ((dcd < file_start) || ((dcd + 4) > file_end)) {
printf("bad dcd_ptr %08x\n", hdr->dcd_ptr);
return -1;
}
m_length = (dcd[1] << 8) + dcd[2];
printf("main dcd length %x\n", m_length);
if ((dcd[0] != 0xd2) || (dcd[3] != 0x40)) {
printf("Unknown tag\n");
return -1;
}
dcd_end = dcd + m_length;
if (dcd_end > file_end) {
printf("bad dcd length %08x\n", m_length);
return -1;
}
dcd += 4;
while (dcd < dcd_end) {
unsigned s_length = (dcd[1] << 8) + dcd[2];
unsigned char *s_end = dcd + s_length;
printf("sub dcd length %x\n", s_length);
if ((dcd[0] != 0xcc) || (dcd[3] != 0x04)) {
printf("Unknown sub tag\n");
return -1;
}
dcd += 4;
if (s_end > dcd_end) {
printf("error s_end(%p) > dcd_end(%p)\n", s_end, dcd_end);
return -1;
}
while (dcd < s_end) {
unsigned addr = (dcd[0] << 24) + (dcd[1] << 16) | (dcd[2] << 8) + dcd[3];
unsigned val = (dcd[4] << 24) + (dcd[5] << 16) | (dcd[6] << 8) + dcd[7];
dcd += 8;
// printf("*0x%08x = 0x%08x\n", addr, val);
err = write_memory(dev, addr, val);
if (err < 0)
return err;
}
}
return err;
}
static int get_dcd_range_old(struct old_app_header *hdr,
unsigned char *file_start, unsigned cnt,
unsigned char **pstart, unsigned char **pend)
{
unsigned char *dcd_end;
unsigned m_length;
#define cvt_dest_to_src_old (((unsigned char *)&hdr->dcd_ptr) - hdr->dcd_ptr_ptr)
unsigned char* dcd;
unsigned val;
unsigned char* file_end = file_start + cnt;
int err = 0;
if (!hdr->dcd_ptr) {
printf("No dcd table, barker=%x\n", hdr->app_barker);
*pstart = *pend = ((unsigned char *)hdr) + sizeof(struct old_app_header);
return 0; //nothing to do
}
dcd = hdr->dcd_ptr + cvt_dest_to_src_old;
if ((dcd < file_start) || ((dcd + 8) > file_end)) {
printf("bad dcd_ptr %08x\n", hdr->dcd_ptr);
return -1;
}
val = (dcd[0] << 0) + (dcd[1] << 8) | (dcd[2] << 16) + (dcd[3] << 24);
if (val != DCD_BARKER) {
printf("Unknown tag\n");
return -1;
}
dcd += 4;
m_length = (dcd[0] << 0) + (dcd[1] << 8) | (dcd[2] << 16) + (dcd[3] << 24);
printf("main dcd length %x\n", m_length);
dcd += 4;
dcd_end = dcd + m_length;
if (dcd_end > file_end) {
printf("bad dcd length %08x\n", m_length);
return -1;
}
*pstart = dcd;
*pend = dcd_end;
return 0;
}
static int write_dcd_table_old(struct sdp_dev *dev, struct old_app_header *hdr, unsigned char *file_start, unsigned cnt)
{
unsigned val;
unsigned char *dcd_end;
unsigned char* dcd;
int err = get_dcd_range_old(hdr, file_start, cnt, &dcd, &dcd_end);
if (err < 0)
return err;
while (dcd < dcd_end) {
unsigned type = (dcd[0] << 0) + (dcd[1] << 8) | (dcd[2] << 16) + (dcd[3] << 24);
unsigned addr = (dcd[4] << 0) + (dcd[5] << 8) | (dcd[6] << 16) + (dcd[7] << 24);
val = (dcd[8] << 0) + (dcd[9] << 8) | (dcd[10] << 16) + (dcd[11] << 24);
dcd += 12;
if (type!=4) {
printf("!!!unknown type=%08x *0x%08x = 0x%08x\n", type, addr, val);
} else {
printf("type=%08x *0x%08x = 0x%08x\n", type, addr, val);
err = write_memory(dev, addr, val);
if (err < 0)
return err;
}
}
return err;
}
void diff_long(unsigned char *src1, unsigned char *src2, unsigned cnt, unsigned skip)
{
unsigned char buf[8*9 + 2];
unsigned *s1 = (unsigned *)src1;
unsigned *s2 = (unsigned *)src2;
unsigned i, j;
while (cnt >= 4) {
char *p = buf;
unsigned max = get_min(cnt >> 2, 8);
for (i = 0; i < (skip >> 2); i++) {
for (j=0; j < 9; j++)
*p++ = ' ';
}
for (; i < max; i++) {
unsigned s1v = *s1++;
unsigned diff = s1v ^ *s2++;
unsigned c;
*p++ = ' ';
if (i == 4)
*p++ = ' ';
for (j = 0; j < 8; j++) {
unsigned changed = diff & 0xf0000000;
c = ' ';
if (changed) {
if ((s1v & changed) == 0)
c = '^';
else if ((s1v & changed) == changed)
c = 'v';
else
c = '-';
}
*p++ = c;
diff <<= 4;
s1v <<= 4;
}
}
*p = 0;
printf(" %s\n", buf);
cnt -= max << 2;
}
}
void dump_long(unsigned char *src, unsigned cnt, unsigned addr, unsigned skip)
{
unsigned *p = (unsigned *)src;
int i = skip >> 2;
while (cnt >= 4) {
printf("%08x:", addr);
while (skip >= 4) {
printf(" ");
skip -= 4;
}
while (cnt >= 4) {
printf((i==4) ? " %08x":" %08x", p[0]);
p++;
cnt -= 4;
addr += 4;
i++;
if (i==8)
break;
}
printf("\n");
i = 0;
}
}
void dump_bytes(unsigned char *src, unsigned cnt, unsigned addr)
{
unsigned char *p = src;
int i;
while (cnt >= 16) {
printf("%08x: %02x %02x %02x %02x %02x %02x %02x %02x %02x %02x %02x %02x %02x %02x %02x %02x\n", addr,
p[0], p[1], p[2], p[3], p[4], p[5], p[6], p[7], p[8], p[9], p[10], p[11], p[12], p[13], p[14], p[15]);
p += 16;
cnt -= 16;
addr += 16;
}
if (cnt) {
printf("%08x:", addr);
i = 0;
while (cnt) {
printf(" %02x", p[0]);
p++;
cnt--;
i++;
if (cnt) if (i == 4) {
i = 0;
printf(" ");
}
}
printf("\n");
}
}
int verify_memory(struct sdp_dev *dev, FILE *xfile, unsigned offset,
unsigned addr, unsigned size, unsigned char *verify_buffer,
unsigned verify_cnt)
{
int mismatch = 0;
unsigned char file_buf[1024];
fseek(xfile, offset + verify_cnt, SEEK_SET);
while (size) {
unsigned char mem_buf[64];
unsigned char *p = file_buf;
int cnt = addr & 0x3f;
int request = get_min(size, sizeof(file_buf));
if (cnt) {
cnt = 64 - cnt;
if (request > cnt)
request = cnt;
}
if (verify_cnt) {
p = verify_buffer;
cnt = (int)get_min(request, (int)verify_cnt);
verify_buffer += cnt;
verify_cnt -= cnt;
} else {
cnt = fread(p, 1, request, xfile);
if (cnt <= 0) {
printf("Unexpected end of file, request=0x%0x, size=0x%x, cnt=%i\n", request, size, cnt);
return -1;
}
}
size -= cnt;
while (cnt) {
int ret;
request = get_min(cnt, sizeof(mem_buf));
ret = read_memory(dev, addr, mem_buf, request);
if (ret < 0)
return ret;
if (memcmp(p, mem_buf, request)) {
unsigned char * m = mem_buf;
if (!mismatch)
printf("!!!!mismatch\n");
mismatch++;
while (request) {
unsigned skip = addr & 0x1f;
unsigned max = 0x20 - skip;
unsigned req = get_min(request, (int)max);
if (memcmp(p, m, req)) {
dump_long(p, req, offset, skip);
dump_long(m, req, addr, skip);
diff_long(p, m, req, skip);
}
p += req;
m+= req;
offset += req;
addr += req;
cnt -= req;
request -= req;
}
if (mismatch >= 5)
return -1;
}
p += request;
offset += request;
addr += request;
cnt -= request;
}
}
if (!mismatch)
printf("Verify success\n");
return mismatch ? -1 : 0;
}
int is_header(struct sdp_dev *dev, unsigned char *p)
{
switch (dev->header_type) {
case HDR_MX51:
{
struct old_app_header *ohdr = (struct old_app_header *)p;
if (ohdr->app_barker == 0xb1)
return 1;
break;
}
case HDR_MX53:
{
struct ivt_header *hdr = (struct ivt_header *)p;
if (hdr->barker == IVT_BARKER)
return 1;
}
}
return 0;
}
int perform_dcd(struct sdp_dev *dev, unsigned char *p, unsigned char *file_start, unsigned cnt)
{
int ret = 0;
switch (dev->header_type) {
case HDR_MX51:
{
struct old_app_header *ohdr = (struct old_app_header *)p;
ret = write_dcd_table_old(dev, ohdr, file_start, cnt);
dbg_printf("dcd_ptr=0x%08x\n", ohdr->dcd_ptr);
#if 1
ohdr->dcd_ptr = 0;
#endif
if (ret < 0)
return ret;