/
imx_sdp.c
1500 lines (1365 loc) · 36.7 KB
/
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>
#include <ctype.h>
#include <errno.h>
#include <string.h>
#include <stdlib.h>
#include <stdint.h>
#include <stdbool.h>
#include "portable.h"
#include "imx_sdp.h"
#include "image.h"
#define FT_APP 0xaa
#define FT_CSF 0xcc
#define FT_DCD 0xee
#define FT_LOAD_ONLY 0x00
int debugmode = 0;
#define get_min(a, b) (((a) < (b)) ? (a) : (b))
#define ARRAY_SIZE(x) (sizeof(x) / sizeof(x[0]))
#ifndef offsetof
#define offsetof(TYPE, MEMBER) __builtin_offsetof(TYPE, MEMBER)
//#define offsetof(TYPE, MEMBER) ((size_t) &((TYPE *)0)->MEMBER)
#endif
struct load_desc {
struct sdp_work *curr;
FILE* xfile;
unsigned fsize;
int verify;
unsigned char *buf_start;
unsigned buf_size;
unsigned buf_cnt;
unsigned buf_offset;
unsigned dladdr;
unsigned max_length;
unsigned plugin;
unsigned header_addr;
unsigned header_offset;
unsigned char writeable_header[1024];
};
/* Boot data image indicator */
#define PLUGIN_IMAGE_FLAG_MASK (0x0001) /* bit 0 is plugin */
#define HDMI_IMAGE_FLAG_MASK (0x0002) /* bit 1 is HDMI */
struct boot_data {
uint32_t dest;
uint32_t image_len;
uint32_t plugin;
};
/* Command tags and parameters */
#define IVT_HEADER_TAG 0xD1
#define IVT_VERSION 0x40
#define IVT_VERSION_IMX8M 0x41
#define DCD_HEADER_TAG 0xD2
#define DCD_VERSION 0x40
#define DCD_VERSION_IMX8M 0x41
#pragma pack (1)
struct ivt_header {
uint8_t tag;
uint16_t length;
uint8_t version;
};
#pragma pack ()
struct flash_header_v2 {
struct ivt_header header;
uint32_t start_addr;
uint32_t reserv1;
uint32_t dcd_ptr;
uint32_t boot_data_ptr; /* struct boot_data * */
uint32_t self_ptr; /* struct flash_header_v2 *, this - boot_data.start = offset linked at */
uint32_t app_code_csf;
uint32_t reserv2;
};
#pragma pack (1)
struct write_dcd_command {
uint8_t tag;
uint16_t length;
uint8_t param;
};
#pragma pack ()
struct dcd_v2 {
struct ivt_header header;
struct write_dcd_command write_dcd_command;
unsigned char *addr_data;
};
/*
* MX51 header type
*/
struct flash_header_v1 {
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;
};
static 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;
}
static 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;
}
static int do_response(struct sdp_dev *dev, int report, unsigned int *result,
bool silent)
{
unsigned char tmp[64] = { 0 };
int last_trans, err;
err = dev->ops->transfer(dev, report, tmp, sizeof(tmp), 4, &last_trans);
if ((!silent && err) || debugmode)
printf("report %d in err=%i, last_trans=%i %02x %02x %02x %02x\n",
report, err, last_trans, tmp[0], tmp[1], tmp[2], tmp[3]);
/* At least 4 bytes required for a valid result */
if (last_trans < 4)
return -1;
/*
* Most results are symetric, but likely are meant to be big endian
* as everything else is...
*/
*result = BE32(*((unsigned int*)tmp));
return err;
}
static int do_command(struct sdp_dev *dev, unsigned char *cmd, int cmd_size, int retry)
{
int last_trans, err = -4;
dbg_printf("sending command cmd=%02x %02x %02x %02x\n", cmd[0], cmd[1],cmd[2],cmd[3]);
while (retry) {
err = dev->ops->transfer(dev, 1, (unsigned char *)cmd,
cmd_size, 0, &last_trans);
if (err || debugmode)
printf("%s err=%i, last_trans=%i\n", __func__, err, last_trans);
if (!err)
return 0;
retry--;
}
return err;
}
static int read_memory(struct sdp_dev *dev, unsigned addr, unsigned char *dest, unsigned cnt)
{
unsigned char buf[MAX_PROTOCOL_SIZE];
int cmd_size;
int retry = 0;
int last_trans;
int err;
int rem;
unsigned char tmp[64];
unsigned int sec;
if (!dev->ops->fill_read_reg)
return 0;
cmd_size = dev->ops->fill_read_reg(buf, addr, cnt);
if (cmd_size <= 0)
return cmd_size;
dbg_printf("%s: addr=%08x, cnt=%08x\n", __func__, addr, cnt);
err = do_command(dev, buf, cmd_size, 5);
if (err)
return err;
err = do_response(dev, 3, &sec, false);
if (err)
return err;
rem = cnt;
retry = 0;
while (rem) {
tmp[0] = tmp[1] = tmp[2] = tmp[3] = 0;
err = dev->ops->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);
if (retry++ > 8)
break;
continue;
}
retry = 0;
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;
}
dbg_printf("%s: %d addr=%08x, val=%02x %02x %02x %02x\n", __func__, err, addr, dest[0], dest[1], dest[2], dest[3]);
return err;
}
static int write_memory(struct sdp_dev *dev, unsigned addr, unsigned val)
{
unsigned char buf[MAX_PROTOCOL_SIZE];
int cmd_size;
int last_trans;
int err = 0;
unsigned char tmp[64] = { 0 };
unsigned int sec;
if (!dev->ops->fill_write_reg)
return 0;
cmd_size = dev->ops->fill_write_reg(buf, addr, val);
if (cmd_size <= 0)
return cmd_size;
dbg_printf("%s: addr=%08x, val=%08x\n", __func__, addr, val);
err = do_command(dev, buf, cmd_size, 5);
if (err)
return err;
err = do_response(dev, 3, &sec, false);
if (err)
return err;
err = dev->ops->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;
}
static 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 do_status(struct sdp_dev *dev)
{
unsigned char buf[MAX_PROTOCOL_SIZE];
int cmd_size;
unsigned int hab_security, status;
int retry = 0;
int err;
if (!dev->ops->fill_status)
return 0;
cmd_size = dev->ops->fill_status(buf);
if (cmd_size <= 0)
return cmd_size;
err = do_command(dev, buf, cmd_size, 5);
if (err)
return err;
while (retry < 5) {
err = do_response(dev, 3, &hab_security, false);
if (!err)
break;
retry++;
}
if (err)
return err;
printf("HAB security state: %s (0x%08x)\n", hab_security == HAB_SECMODE_PROD ?
"production mode" : "development mode", hab_security);
if (dev->mode == MODE_HID) {
err = do_response(dev, 4, &status, false);
if (err)
return err;
}
return 0;
}
static int do_data_transfer(struct sdp_dev *dev, unsigned char *buf, int len)
{
int err;
int retry = 10;
int max = dev->max_transfer;
int last_trans;
int cnt;
int transferSize = 0;
while (retry) {
cnt = get_min(len, max);
err = dev->ops->transfer(dev, 2, buf, cnt, 0, &last_trans);
if (!err) {
if (cnt > last_trans)
cnt = last_trans;
if (!cnt) {
printf("Nothing transferred, err=%i transferSize=%i\n", err, transferSize);
return -EIO;
}
transferSize += cnt;
buf += cnt;
len -= cnt;
if (!len)
return transferSize;
retry = 10;
max = dev->max_transfer;
continue;
}
printf("report 2 out err=%i, last_trans=%i len=0x%x max=0x%x retry=%i\n",
err, last_trans, len, max, retry);
if (max >= 16) {
max >>= 1;
max &= ~0x03;
} else {
max <<= 1;
}
/* Wait a few ms before retrying transfer */
msleep(10);
retry--;
}
printf("Giving up\n");
return err;
}
static int write_dcd(struct sdp_dev *dev, struct dcd_v2 *dcd)
{
unsigned char buf[MAX_PROTOCOL_SIZE];
int cmd_size;
int length = BE16(dcd->header.length);
int err;
unsigned transferSize=0;
if (length > HAB_MAX_DCD_SIZE) {
printf("DCD is too big (%d bytes)\n", length);
return -1;
}
if (!dev->ops->fill_dl_dcd)
return 0;
cmd_size = dev->ops->fill_dl_dcd(buf, dev->dcd_addr, length);
if (cmd_size <= 0)
return cmd_size;
printf("loading DCD table @%#x\n", dev->dcd_addr);
err = do_command(dev, buf, cmd_size, 5);
if (err)
return err;
err = do_data_transfer(dev, (unsigned char *)dcd, length);
if (err < 0)
return err;
transferSize = err;
printf("\n<<<%i, %i bytes>>>\n", length, transferSize);
if (dev->mode == MODE_HID) {
unsigned int sec, status;
err = do_response(dev, 3, &sec, false);
if (err)
return err;
err = do_response(dev, 4, &status, false);
if (err)
return err;
if (status == 0x128a8a12UL)
printf("succeeded");
else
printf("failed");
printf(" (security 0x%08x, status 0x%08x)\n", sec, status);
} else {
do_status(dev);
}
return transferSize;
}
static int write_dcd_table_ivt(struct sdp_dev *dev, struct dcd_v2 *dcdhdr)
{
int length = BE16(dcdhdr->header.length);
unsigned char *dcd = (unsigned char *)&dcdhdr->write_dcd_command;
unsigned char *dcd_end;
int err = 0;
printf("main dcd length %x\n", length);
dcd_end = ((unsigned char *)dcdhdr) + length;
while (dcd < dcd_end) {
unsigned s_length = (dcd[1] << 8) + dcd[2];
unsigned sub_tag = (dcd[0] << 24) + (dcd[3] & 0x7);
unsigned flags = (dcd[3] & 0xf8);
unsigned char *s_end = dcd + s_length;
printf("sub dcd length %x\n", s_length);
switch(sub_tag) {
/* Write Data Command */
case 0xcc000004:
if (flags & 0xe8) {
printf("error: Write Data Command with unsupported flags, flags %x.\n", flags);
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;
dbg_printf("write data *0x%08x = 0x%08x\n", addr, val);
err = write_memory(dev, addr, val);
if (err < 0)
return err;
}
break;
/* Check Data Command */
case 0xcf000004: {
unsigned addr, count, mask, val;
dcd += 4;
addr = (dcd[0] << 24) + (dcd[1] << 16) + (dcd[2] << 8) + dcd[3];
mask = (dcd[4] << 24) + (dcd[5] << 16) + (dcd[6] << 8) + dcd[7];
count = 10000;
switch (s_length) {
case 12:
dcd += 8;
break;
case 16:
count = (dcd[8] << 24) + (dcd[9] << 16) + (dcd[10] << 8) + dcd[11];
dcd += 12;
break;
default:
printf("error s_end(%p) > dcd_end(%p)\n", s_end, dcd_end);
return -1;
}
dbg_printf("Check Data Command, at addr %x, mask %x\n",addr, mask);
while (count) {
val = 0;
err = read_memory(dev, addr, (unsigned char*)&val, 4);
if (err < 0) {
printf("Check Data Command(%x) error(%d) @%x=%x mask %x\n", flags, err, addr, val, mask);
return err;
}
if ((flags == 0x00) && ((val & mask) == 0) )
break;
else if ((flags == 0x08) && ((val & mask) != mask) )
break;
else if ((flags == 0x10) && ((val & mask) == mask) )
break;
else if ((flags == 0x18) && ((val & mask) != 0) )
break;
else if (flags & 0xe0) {
printf("error: Check Data Command with unsupported flags, flags %x.\n", flags);
return -1;
}
count--;
}
if (!count)
printf("!!!Check Data Command(%x) expired without condition met @%x=%x mask %x\n", flags, addr, val, mask);
else
printf("Check Data Command(%x) success @%x=%x mask %x\n", flags, addr, val, mask);
break;
}
default:
printf("Unknown sub tag, dcd[0] 0x%2x, dcd[3] 0x%2x\n", dcd[0], dcd[3]);
return -1;
}
}
return err;
}
static int get_dcd_range_old(struct flash_header_v1 *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;
if (!hdr->dcd_ptr) {
printf("No dcd table, barker=%x\n", hdr->app_barker);
*pstart = *pend = ((unsigned char *)hdr) + sizeof(struct flash_header_v1);
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 flash_header_v1 *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;
}
static 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) {
unsigned 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");
}
}
static void fetch_data(struct load_desc *ld, unsigned foffset, unsigned char **p, unsigned *cnt)
{
unsigned skip = foffset - ld->header_offset;
unsigned buf_cnt = ld->buf_cnt;
if ((ld->curr->jump_mode >= J_ADDR_HEADER) &&
(skip < sizeof(ld->writeable_header))) {
*p = &ld->writeable_header[skip];
*cnt = sizeof(ld->writeable_header) - skip;
return;
}
skip = foffset - ld->buf_offset;
if (skip >= buf_cnt) {
fseek(ld->xfile, foffset, SEEK_SET);
ld->buf_offset = foffset;
buf_cnt = ld->buf_cnt = fread(ld->buf_start, 1, ld->buf_size, ld->xfile);
skip = 0;
}
if ((foffset < ld->header_offset) &&
(ld->header_offset < ld->buf_offset + buf_cnt))
buf_cnt = ld->header_offset - ld->buf_offset;
*p = &ld->buf_start[skip];
*cnt = buf_cnt - skip;
}
static int verify_memory(struct sdp_dev *dev, struct load_desc *ld, unsigned foffset,
unsigned size)
{
int mismatch = 0;
unsigned verified = 0;
unsigned total = size;
unsigned addr = ld->dladdr;
while (size) {
unsigned char *p;
unsigned cnt;
unsigned char mem_buf[64];
int align_cnt = foffset & 0x3f;
unsigned offset = foffset;
fetch_data(ld, foffset, &p, &cnt);
if (align_cnt) {
align_cnt = 64 - align_cnt;
if (cnt > align_cnt)
cnt = align_cnt;
}
if (cnt <= 0) {
printf("Unexpected end of file, size=0x%x, cnt=%i\n", size, cnt);
return -1;
}
if (cnt > size)
cnt = size;
size -= cnt;
foffset += cnt;
while (cnt) {
int ret;
unsigned request = get_min(cnt, sizeof(mem_buf));
ret = read_memory(dev, addr, mem_buf, request);
if (ret < 0) {
printf("verified 0x%x of 0x%x before usb error\n", verified, total);
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;
verified += request;
}
}
if (!mismatch)
printf("Verify success\n");
return mismatch ? -1 : 0;
}
static int load_file(struct sdp_dev *dev, struct load_desc *ld, unsigned foffset,
unsigned fsize, unsigned char type)
{
unsigned char buf[MAX_PROTOCOL_SIZE];
int cmd_size;
int err;
unsigned transferSize=0;
unsigned char *p;
unsigned cnt;
unsigned char combine_buf[1024];
if (!dev->no_hid_cmd) {
if (!dev->ops->fill_write_file)
return 0;
cmd_size = dev->ops->fill_write_file(buf, ld->dladdr, fsize, type);
if (cmd_size <= 0)
return cmd_size;
dbg_printf("%s:cmd_size=%x\n", __func__, cmd_size);
dbg_dump_long(buf, cmd_size, 0, 0);
do_command(dev, buf, cmd_size, 5);
}
if (dev->mode == MODE_BULK) {
unsigned int sec;
err = do_response(dev, 3, &sec, false);
if (err)
return err;
}
while (transferSize < fsize) {
unsigned remaining = (fsize-transferSize);
fetch_data(ld, foffset, &p, &cnt);
/* Avoid short packets, they may signal end of transfer */
if (cnt < sizeof(combine_buf)) {
unsigned next_cnt;
memcpy(combine_buf, p, cnt);
while (cnt < sizeof(combine_buf)) {
fetch_data(ld, foffset + cnt, &p, &next_cnt);
if (!next_cnt)
break;
if (next_cnt > sizeof(combine_buf) - cnt)
next_cnt = sizeof(combine_buf) - cnt;
memcpy(&combine_buf[cnt], p, next_cnt);
cnt += next_cnt;
}
p = combine_buf;
} else {
cnt &= -sizeof(combine_buf); /* round down to multiple of 1024 */
}
if (cnt > remaining)
cnt = remaining;
if (!cnt)
break;
if (cnt > dev->max_transfer)
cnt = dev->max_transfer;
dbg_printf("%s:foffset=%x, cnt=%x, remaining=%x\n", __func__, foffset, cnt, remaining);
dbg_dump_long(p, cnt, ld->dladdr + transferSize, 0);
err = do_data_transfer(dev, p, cnt);
if (err < 0) {
printf("%s:foffset=%x, cnt=%x, remaining=%x, err=%d\n", __func__, foffset, cnt, remaining, err);
return err;
}
if (!err)
break;
transferSize += err;
foffset += err;
}
printf("\n<<<%i, %i bytes>>>\n", fsize, transferSize);
if (dev->mode == MODE_HID) {
unsigned int sec, status;
err = do_response(dev, 3, &sec, false);
if (err)
return err;
err = do_response(dev, 4, &status, false);
if (err)
return err;
if (status == 0x88888888UL)
printf("succeeded");
else
printf("failed");
printf(" (security 0x%08x, status 0x%08x)\n", sec, status);
} else if (dev->mode == MODE_BULK) {
do_status(dev);
}
return transferSize;
}
static int jump(struct sdp_dev *dev, unsigned int header_addr)
{
unsigned char buf[MAX_PROTOCOL_SIZE];
int cmd_size;
int err;
unsigned int sec, status;
if (!dev->ops->fill_jump)
return 0;
cmd_size = dev->ops->fill_jump(buf, header_addr);
if (cmd_size <= 0)
return cmd_size;
printf("jumping to 0x%08x\n", header_addr);
err = do_command(dev, buf, cmd_size, 5);
if (err)
return err;
err = do_response(dev, 3, &sec, false);
if (err)
return err;
err = do_response(dev, 4, &status, true);
/*
* Documentation says: "This report is sent by device only in case of
* an error jumping to the given address..."
* If Report 4 fails, this is a good sign
* If Report 4 responds, there has been something gone wrong...
*/
if (!err) {
printf("failed (security 0x%08x, status 0x%08x)\n", sec, status);
return err;
}
return 0;
}
static int load_file_from_desc(struct sdp_dev *dev, struct sdp_work *curr,
struct load_desc *ld)
{
int ret;
unsigned file_base;
unsigned char type;
unsigned skip = 0;
unsigned fsize;
unsigned transferSize=0;
unsigned cnt;
if (!ld->dladdr) {
printf("\nunknown load address\n");
return -3;
}
type = (curr->plug || curr->jump_mode) ? FT_APP : FT_LOAD_ONLY;
if (dev->mode == MODE_BULK && type == FT_APP) {
/*
* There is no jump command. boot ROM requires the download
* to start at header address
*/
ld->dladdr = ld->header_addr;
}
if (ld->verify) {
if ((type == FT_APP) && (dev->mode != MODE_HID)) {
type = FT_LOAD_ONLY;
ld->verify = 2;
}
}
file_base = ld->header_addr - ld->header_offset;
if (file_base > ld->dladdr) {
ld->max_length -= (file_base - ld->dladdr);
ld->dladdr = file_base;
}
dbg_printf("skip=%x cnt=%x dladdr=%x file_base=%x fsize=%x max_length=%x\n", skip, ld->buf_cnt, ld->dladdr, file_base, ld->fsize, ld->max_length);
skip = ld->dladdr - file_base;
fsize = ld->fsize;
if (skip > fsize) {
printf("skip(0x%08x) > fsize(0x%08x) file_base=0x%08x, header_offset=0x%x\n",
skip, fsize, file_base, ld->header_offset);
ret = -4;
goto cleanup;
}
fsize -= skip;
if (fsize > ld->max_length)
fsize = ld->max_length;
printf("\nloading binary file(%s) to %08x, skip=%x, fsize=%x type=%x\n", curr->filename, ld->dladdr, skip, fsize, type);
ret = load_file(dev, ld, skip, fsize, type);
if (ret < 0)
goto cleanup;
transferSize = ret;
if (ld->verify) {
ret = verify_memory(dev, ld, skip, fsize);
if (ret < 0)
goto cleanup;
if (ld->verify == 2) {
cnt = fsize;
if (cnt > 64)
cnt = 64;
/*
* This will set the right header address