qi-hardware/xburst-tools
1
0
Fork 0
mirror of git://projects.qi-hardware.com/xburst-tools.git synced 2024-11-22 07:39:42 +02:00
Code

usbboot: fix hand.fw_args.cpu_id have wrong value when there is no 'boot' in commands

Browse Source
This commit is contained in:
Xiangfu Liu 2011-05-27 21:12:02 +08:00
parent b8420d20e1
commit 1d7a2f3f56
1 changed files with 101 additions and 90 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

191
usbboot/src/cmd.c
View File

@ -72,7 +72,7 @@ static int load_file(struct ingenic_dev *ingenic_dev, const char *file_path)
fd = open(file_path, O_RDONLY); fd = open(file_path, O_RDONLY);
if (fd < 0) { if (fd < 0) {
fprintf(stderr, "Error - can't open file '%s': %s\n", fprintf(stderr, "Error - can't open file '%s': %s\n",
file_path, strerror(errno)); file_path, strerror(errno));
goto out; goto out;
} }
@ -80,13 +80,13 @@ static int load_file(struct ingenic_dev *ingenic_dev, const char *file_path)
status = read(fd, ingenic_dev->file_buff, ingenic_dev->file_len); status = read(fd, ingenic_dev->file_buff, ingenic_dev->file_len);
if (status < ingenic_dev->file_len) { if (status < ingenic_dev->file_len) {
fprintf(stderr, "Error - can't read file '%s': %s\n", fprintf(stderr, "Error - can't read file '%s': %s\n",
file_path, strerror(errno)); file_path, strerror(errno));
goto close; goto close;
} }
/* write args to code */ /* write args to code */
memcpy(ingenic_dev->file_buff + 8, &hand.fw_args, memcpy(ingenic_dev->file_buff + 8, &hand.fw_args,
sizeof(struct fw_args)); sizeof(struct fw_args));
res = 1; res = 1;
@ -97,11 +97,44 @@ out:
return res; return res;
} }
int get_ingenic_cpu()
{
int status;
status = usb_get_ingenic_cpu(&ingenic_dev);
switch (status) {
case JZ4740V1:
hand.fw_args.cpu_id = 0x4740;
break;
case JZ4750V1:
hand.fw_args.cpu_id = 0x4750;
break;
case JZ4760V1:
hand.fw_args.cpu_id = 0x4760;
break;
case BOOT4740:
hand.fw_args.cpu_id = 0x4740;
break;
case BOOT4750:
hand.fw_args.cpu_id = 0x4750;
break;
case BOOT4760:
hand.fw_args.cpu_id = 0x4760;
break;
default:
hand.fw_args.cpu_id = 0;
}
return status;
}
/* after upload stage2. must init device */ /* after upload stage2. must init device */
void init_cfg() void init_cfg()
{ {
if (usb_get_ingenic_cpu(&ingenic_dev) < 3) { int cpu = get_ingenic_cpu();
printf(" XBurst CPU not booted yet, boot it first!\n"); if (cpu != BOOT4740 && cpu != BOOT4750 && cpu != BOOT4760) {
printf(" Device unboot! Boot it first!\n");
return; return;
} }
@ -124,39 +157,9 @@ xout:
} }
int boot(char *stage1_path, char *stage2_path){ int boot(char *stage1_path, char *stage2_path){
int status; int status = get_ingenic_cpu();
status = usb_get_ingenic_cpu(&ingenic_dev); if (status == BOOT4740 || status == BOOT4750 || status == BOOT4760) {
switch (status) {
case JZ4740V1:
status = 0;
hand.fw_args.cpu_id = 0x4740;
break;
case JZ4750V1:
status = 0;
hand.fw_args.cpu_id = 0x4750;
break;
case JZ4760V1:
status = 0;
hand.fw_args.cpu_id = 0x4760;
break;
case BOOT4740:
status = 1;
hand.fw_args.cpu_id = 0x4740;
break;
case BOOT4750:
status = 1;
hand.fw_args.cpu_id = 0x4750;
break;
case BOOT4760:
status = 1;
hand.fw_args.cpu_id = 0x4760;
break;
default:
return 1;
}
if (status) {
printf(" Already booted.\n"); printf(" Already booted.\n");
return 1; return 1;
} else { } else {
@ -181,8 +184,10 @@ int boot(char *stage1_path, char *stage2_path){
printf(" Booted successfully!\n"); printf(" Booted successfully!\n");
} }
usleep(100); usleep(100);
init_cfg(); init_cfg();
return 1; return 1;
} }
@ -214,7 +219,8 @@ int error_check(unsigned char *org,unsigned char * obj,unsigned int size)
int nand_markbad(struct nand_in *nand_in) int nand_markbad(struct nand_in *nand_in)
{ {
if (usb_get_ingenic_cpu(&ingenic_dev) < 3) { int cpu = get_ingenic_cpu();
if (cpu != BOOT4740 && cpu != BOOT4750 && cpu != BOOT4760) {
printf(" Device unboot! Boot it first!\n"); printf(" Device unboot! Boot it first!\n");
return -1; return -1;
} }
@ -222,9 +228,9 @@ int nand_markbad(struct nand_in *nand_in)
usb_send_data_address_to_ingenic(&ingenic_dev, nand_in->start); usb_send_data_address_to_ingenic(&ingenic_dev, nand_in->start);
usb_ingenic_nand_ops(&ingenic_dev, NAND_MARK_BAD); usb_ingenic_nand_ops(&ingenic_dev, NAND_MARK_BAD);
usb_read_data_from_ingenic(&ingenic_dev, ret, 8); usb_read_data_from_ingenic(&ingenic_dev, ret, 8);
printf(" Mark bad block at %d\n",((ret[3] << 24) | printf(" Mark bad block at %d\n",((ret[3] << 24) |
(ret[2] << 16) | (ret[2] << 16) |
(ret[1] << 8) | (ret[1] << 8) |
(ret[0] << 0)) / hand.nand_ppb); (ret[0] << 0)) / hand.nand_ppb);
return 0; return 0;
} }
@ -242,7 +248,7 @@ int nand_program_check(struct nand_in *nand_in, unsigned int *start_page)
goto err; goto err;
} }
int cpu = usb_get_ingenic_cpu(&ingenic_dev); int cpu = get_ingenic_cpu();
if (cpu != BOOT4740 && cpu != BOOT4750 && cpu != BOOT4760) { if (cpu != BOOT4740 && cpu != BOOT4750 && cpu != BOOT4760) {
printf(" Device unboot! Boot it first!\n"); printf(" Device unboot! Boot it first!\n");
goto err; goto err;
@ -252,20 +258,20 @@ int nand_program_check(struct nand_in *nand_in, unsigned int *start_page)
ingenic_dev.file_len = nand_in->length; ingenic_dev.file_len = nand_in->length;
usb_send_data_to_ingenic(&ingenic_dev); usb_send_data_to_ingenic(&ingenic_dev);
for (i = 0; i < nand_in->max_chip; i++) { for (i = 0; i < nand_in->max_chip; i++) {
if ((nand_in->cs_map)[i] == 0) if ((nand_in->cs_map)[i] == 0)
continue; continue;
if (nand_in->option == NO_OOB) { if (nand_in->option == NO_OOB) {
page_num = nand_in->length / hand.nand_ps; page_num = nand_in->length / hand.nand_ps;
if ((nand_in->length % hand.nand_ps) !=0) if ((nand_in->length % hand.nand_ps) !=0)
page_num++; page_num++;
} else { } else {
page_num = nand_in->length / page_num = nand_in->length /
(hand.nand_ps + hand.nand_os); (hand.nand_ps + hand.nand_os);
if ((nand_in->length% (hand.nand_ps + hand.nand_os)) !=0) if ((nand_in->length% (hand.nand_ps + hand.nand_os)) !=0)
page_num++; page_num++;
} }
temp = ((nand_in->option << 12) & 0xf000) + temp = ((nand_in->option << 12) & 0xf000) +
((i<<4) & 0xff0) + NAND_PROGRAM; ((i<<4) & 0xff0) + NAND_PROGRAM;
if (usb_send_data_address_to_ingenic(&ingenic_dev, nand_in->start) != 1) if (usb_send_data_address_to_ingenic(&ingenic_dev, nand_in->start) != 1)
goto err; goto err;
if (usb_send_data_length_to_ingenic(&ingenic_dev, page_num) != 1) if (usb_send_data_length_to_ingenic(&ingenic_dev, page_num) != 1)
@ -275,7 +281,7 @@ int nand_program_check(struct nand_in *nand_in, unsigned int *start_page)
if (usb_read_data_from_ingenic(&ingenic_dev, ret, 8) != 1) if (usb_read_data_from_ingenic(&ingenic_dev, ret, 8) != 1)
goto err; goto err;
printf(" Finish! (len %d start_page %d page_num %d)\n", printf(" Finish! (len %d start_page %d page_num %d)\n",
nand_in->length, nand_in->start, page_num); nand_in->length, nand_in->start, page_num);
/* Read back to check! */ /* Read back to check! */
@ -289,12 +295,12 @@ int nand_program_check(struct nand_in *nand_in, unsigned int *start_page)
start_addr = page_num * (hand.nand_ps + hand.nand_os); start_addr = page_num * (hand.nand_ps + hand.nand_os);
break; break;
case OOB_NO_ECC: /* do not support data verify */ case OOB_NO_ECC: /* do not support data verify */
temp = ((OOB_NO_ECC << 12) & 0xf000) + temp = ((OOB_NO_ECC << 12) & 0xf000) +
((i << 4) & 0xff0) + NAND_READ; ((i << 4) & 0xff0) + NAND_READ;
start_addr = page_num * (hand.nand_ps + hand.nand_os); start_addr = page_num * (hand.nand_ps + hand.nand_os);
break; break;
case NO_OOB: case NO_OOB:
temp = ((NO_OOB << 12) & 0xf000) + temp = ((NO_OOB << 12) & 0xf000) +
((i << 4) & 0xff0) + NAND_READ; ((i << 4) & 0xff0) + NAND_READ;
start_addr = page_num * hand.nand_ps; start_addr = page_num * hand.nand_ps;
break; break;
@ -307,7 +313,7 @@ int nand_program_check(struct nand_in *nand_in, unsigned int *start_page)
usb_read_data_from_ingenic(&ingenic_dev, check_buf, start_addr); usb_read_data_from_ingenic(&ingenic_dev, check_buf, start_addr);
usb_read_data_from_ingenic(&ingenic_dev, ret, 8); usb_read_data_from_ingenic(&ingenic_dev, ret, 8);
cur_page = (ret[3] << 24) | (ret[2] << 16) | (ret[1] << 8) | cur_page = (ret[3] << 24) | (ret[2] << 16) | (ret[1] << 8) |
(ret[0] << 0); (ret[0] << 0);
if (nand_in->start == 0 && hand.nand_ps == 4096 && if (nand_in->start == 0 && hand.nand_ps == 4096 &&
@ -353,13 +359,14 @@ int nand_erase(struct nand_in *nand_in)
return -1; return -1;
} }
if (usb_get_ingenic_cpu(&ingenic_dev) < 3) { int cpu = get_ingenic_cpu();
if (cpu != BOOT4740 && cpu != BOOT4750 && cpu != BOOT4760) {
printf(" Device unboot! Boot it first!\n"); printf(" Device unboot! Boot it first!\n");
return -1; return -1;
} }
for (i = 0; i < nand_in->max_chip; i++) { for (i = 0; i < nand_in->max_chip; i++) {
if ((nand_in->cs_map)[i]==0) if ((nand_in->cs_map)[i]==0)
continue; continue;
printf(" Erasing No.%d device No.%d flash (start_blk %u blk_num %u)......\n", printf(" Erasing No.%d device No.%d flash (start_blk %u blk_num %u)......\n",
nand_in->dev, i, start_blk, blk_num); nand_in->dev, i, start_blk, blk_num);
@ -375,13 +382,13 @@ int nand_erase(struct nand_in *nand_in)
} }
end_block = ((ret[3] << 24) | end_block = ((ret[3] << 24) |
(ret[2] << 16) | (ret[2] << 16) |
(ret[1] << 8) | (ret[1] << 8) |
(ret[0] << 0)) / hand.nand_ppb; (ret[0] << 0)) / hand.nand_ppb;
printf(" Return: %02x %02x %02x %02x %02x %02x %02x %02x (position %d)\n", printf(" Return: %02x %02x %02x %02x %02x %02x %02x %02x (position %d)\n",
ret[0], ret[1], ret[2], ret[3], ret[4], ret[5], ret[6], ret[7], end_block); ret[0], ret[1], ret[2], ret[3], ret[4], ret[5], ret[6], ret[7], end_block);
if (!hand.nand_force_erase) { if (!hand.nand_force_erase) {
/* not force erase, show bad block infomation */ /* not force erase, show bad block infomation */
printf(" There are marked bad blocks: %d\n", printf(" There are marked bad blocks: %d\n",
end_block - start_blk - blk_num ); end_block - start_blk - blk_num );
} else { } else {
/* force erase, no bad block infomation can show */ /* force erase, no bad block infomation can show */
@ -411,24 +418,24 @@ int nand_program_file(struct nand_in *nand_in, char *fname)
fd = open(fname, O_RDONLY); fd = open(fname, O_RDONLY);
if (fd < 0) { if (fd < 0) {
fprintf(stderr, "Error - can't open file '%s': %s\n", fprintf(stderr, "Error - can't open file '%s': %s\n",
fname, strerror(errno)); fname, strerror(errno));
return -1; return -1;
} }
printf(" Programing No.%d device, flen %d, start page %d...\n",nand_in->dev, flen, nand_in->start); printf(" Programing No.%d device, flen %d, start page %d...\n",nand_in->dev, flen, nand_in->start);
n_in.start = nand_in->start / hand.nand_ppb; n_in.start = nand_in->start / hand.nand_ppb;
if (nand_in->option == NO_OOB) { if (nand_in->option == NO_OOB) {
if (flen % (hand.nand_ppb * hand.nand_ps) == 0) if (flen % (hand.nand_ppb * hand.nand_ps) == 0)
n_in.length = flen / (hand.nand_ps * hand.nand_ppb); n_in.length = flen / (hand.nand_ps * hand.nand_ppb);
else else
n_in.length = flen / (hand.nand_ps * hand.nand_ppb) + 1; n_in.length = flen / (hand.nand_ps * hand.nand_ppb) + 1;
} else { } else {
if (flen % (hand.nand_ppb * (hand.nand_ps + hand.nand_os)) == 0) if (flen % (hand.nand_ppb * (hand.nand_ps + hand.nand_os)) == 0)
n_in.length = flen / n_in.length = flen /
((hand.nand_ps + hand.nand_os) * hand.nand_ppb); ((hand.nand_ps + hand.nand_os) * hand.nand_ppb);
else else
n_in.length = flen / n_in.length = flen /
((hand.nand_ps + hand.nand_os) * hand.nand_ppb) ((hand.nand_ps + hand.nand_os) * hand.nand_ppb)
+ 1; + 1;
} }
@ -449,7 +456,7 @@ int nand_program_file(struct nand_in *nand_in, char *fname)
printf(" It will cause %d times buffer transfer.\n", j == 0 ? m : m + 1); printf(" It will cause %d times buffer transfer.\n", j == 0 ? m : m + 1);
fflush(NULL); fflush(NULL);
offset = 0; offset = 0;
for (k = 0; k < m; k++) { for (k = 0; k < m; k++) {
if (nand_in->option == NO_OOB) if (nand_in->option == NO_OOB)
page_num = transfer_size / hand.nand_ps; page_num = transfer_size / hand.nand_ps;
@ -459,7 +466,7 @@ int nand_program_file(struct nand_in *nand_in, char *fname)
code_len = transfer_size; code_len = transfer_size;
status = read(fd, code_buf, code_len); status = read(fd, code_buf, code_len);
if (status < code_len) { if (status < code_len) {
fprintf(stderr, "Error - can't read file '%s': %s\n", fprintf(stderr, "Error - can't read file '%s': %s\n",
fname, strerror(errno)); fname, strerror(errno));
return -1; return -1;
} }
@ -485,7 +492,7 @@ int nand_program_file(struct nand_in *nand_in, char *fname)
status = read(fd, code_buf, code_len); status = read(fd, code_buf, code_len);
if (status < code_len) { if (status < code_len) {
fprintf(stderr, "Error - can't read file '%s': %s\n", fprintf(stderr, "Error - can't read file '%s': %s\n",
fname, strerror(errno)); fname, strerror(errno));
return -1; return -1;
} }
@ -499,7 +506,7 @@ int nand_program_file(struct nand_in *nand_in, char *fname)
printf(" Info - skip bad block!"); printf(" Info - skip bad block!");
} }
close(fd); close(fd);
return 1; return 1;
} }
@ -548,11 +555,11 @@ int nand_prog(void)
nand_in.dev = atoi(com_argv[3]); nand_in.dev = atoi(com_argv[3]);
(nand_in.cs_map)[atoi(com_argv[4])] = 1; (nand_in.cs_map)[atoi(com_argv[4])] = 1;
if (!strcmp(com_argv[5], "-e")) if (!strcmp(com_argv[5], "-e"))
nand_in.option = OOB_ECC; nand_in.option = OOB_ECC;
else if (!strcmp(com_argv[5], "-o")) else if (!strcmp(com_argv[5], "-o"))
nand_in.option = OOB_NO_ECC; nand_in.option = OOB_NO_ECC;
else if (!strcmp(com_argv[5], "-n")) else if (!strcmp(com_argv[5], "-n"))
nand_in.option = NO_OOB; nand_in.option = NO_OOB;
else else
printf("%s", help); printf("%s", help);
@ -575,7 +582,7 @@ int nand_query(void)
if (com_argc < 3) { if (com_argc < 3) {
printf(" Usage: nquery (1) (2)\n" printf(" Usage: nquery (1) (2)\n"
" (1):device index number\n" " (1):device index number\n"
" (2):flash index number\n"); " (2):flash index number\n");
return -1; return -1;
} }
init_nand_in(); init_nand_in();
@ -584,13 +591,14 @@ int nand_query(void)
(nand_in.cs_map)[atoi(com_argv[2])] = 1; (nand_in.cs_map)[atoi(com_argv[2])] = 1;
for (i = 0; i < nand_in.max_chip; i++) { for (i = 0; i < nand_in.max_chip; i++) {
if ((nand_in.cs_map)[i] != 0) if ((nand_in.cs_map)[i] != 0)
break; break;
} }
if (i >= nand_in.max_chip) if (i >= nand_in.max_chip)
return -1; return -1;
if (usb_get_ingenic_cpu(&ingenic_dev) < 3) { int cpu = get_ingenic_cpu();
if (cpu != BOOT4740 && cpu != BOOT4750 && cpu != BOOT4760) {
printf(" Device unboot! Boot it first!\n"); printf(" Device unboot! Boot it first!\n");
return -1; return -1;
} }
@ -651,12 +659,13 @@ int nand_read(int mode)
printf(" Page number overflow!\n"); printf(" Page number overflow!\n");
return -1; return -1;
} }
if (usb_get_ingenic_cpu(&ingenic_dev) < 3) { int cpu = get_ingenic_cpu();
if (cpu != BOOT4740 && cpu != BOOT4750 && cpu != BOOT4760) {
printf(" Device unboot! Boot it first!\n"); printf(" Device unboot! Boot it first!\n");
return -1; return -1;
} }
for (i = 0; i < nand_in.max_chip; i++) for (i = 0; i < nand_in.max_chip; i++)
if ((nand_in.cs_map)[i] != 0) if ((nand_in.cs_map)[i] != 0)
break; break;
if (i >= nand_in.max_chip) return 1; if (i >= nand_in.max_chip) return 1;
csn = i; csn = i;
@ -672,11 +681,11 @@ int nand_read(int mode)
temp = ((csn<<4) & 0xff0) + NAND_READ_OOB; temp = ((csn<<4) & 0xff0) + NAND_READ_OOB;
break; break;
case NAND_READ_RAW: case NAND_READ_RAW:
temp = ((NO_OOB<<12) & 0xf000) + ((csn<<4) & 0xff0) + temp = ((NO_OOB<<12) & 0xf000) + ((csn<<4) & 0xff0) +
NAND_READ_RAW; NAND_READ_RAW;
break; break;
case NAND_READ_TO_RAM: case NAND_READ_TO_RAM:
temp = ((NO_OOB<<12) & 0xf000) + ((csn<<4) & 0xff0) + temp = ((NO_OOB<<12) & 0xf000) + ((csn<<4) & 0xff0) +
NAND_READ_TO_RAM; NAND_READ_TO_RAM;
printf(" Reading nand to RAM: 0x%x\n", ram_addr); printf(" Reading nand to RAM: 0x%x\n", ram_addr);
usb_ingenic_start(&ingenic_dev, VR_PROGRAM_START1, ram_addr); usb_ingenic_start(&ingenic_dev, VR_PROGRAM_START1, ram_addr);
@ -711,8 +720,8 @@ int debug_memory(int obj, unsigned int start, unsigned int size)
{ {
unsigned int buffer[8],tmp; unsigned int buffer[8],tmp;
tmp = usb_get_ingenic_cpu(&ingenic_dev); tmp = get_ingenic_cpu();
if (tmp > 2) { if (tmp == BOOT4740 || tmp == BOOT4750 || tmp == BOOT4760) {
printf(" This command only run under UNBOOT state!\n"); printf(" This command only run under UNBOOT state!\n");
return -1; return -1;
} }
@ -759,8 +768,8 @@ int debug_gpio(int obj, unsigned char ops, unsigned char pin)
{ {
unsigned int tmp; unsigned int tmp;
tmp = usb_get_ingenic_cpu(&ingenic_dev); tmp = get_ingenic_cpu();
if (tmp > 2) { if (tmp == BOOT4740 || tmp == BOOT4750 || tmp == BOOT4760) {
printf(" This command only run under UNBOOT state!\n"); printf(" This command only run under UNBOOT state!\n");
return -1; return -1;
} }
@ -823,7 +832,8 @@ int debug_go(void)
int sdram_load(struct sdram_in *sdram_in) int sdram_load(struct sdram_in *sdram_in)
{ {
if (usb_get_ingenic_cpu(&ingenic_dev) < 3) { int cpu = get_ingenic_cpu();
if (cpu != BOOT4740 && cpu != BOOT4750 && cpu != BOOT4760) {
printf(" Device unboot! Boot it first!\n"); printf(" Device unboot! Boot it first!\n");
return -1; return -1;
} }
@ -863,7 +873,7 @@ int sdram_load_file(struct sdram_in *sdram_in, char *file_path)
fd = open(file_path, O_RDONLY); fd = open(file_path, O_RDONLY);
if (fd < 0) { if (fd < 0) {
fprintf(stderr, "Error - can't open file '%s': %s\n", fprintf(stderr, "Error - can't open file '%s': %s\n",
file_path, strerror(errno)); file_path, strerror(errno));
goto out; goto out;
} }
@ -878,7 +888,7 @@ int sdram_load_file(struct sdram_in *sdram_in, char *file_path)
for (k = 0; k < m; k++) { for (k = 0; k < m; k++) {
status = read(fd, sdram_in->buf, MAX_LOAD_SIZE); status = read(fd, sdram_in->buf, MAX_LOAD_SIZE);
if (status < MAX_LOAD_SIZE) { if (status < MAX_LOAD_SIZE) {
fprintf(stderr, "Error - can't read file '%s': %s\n", fprintf(stderr, "Error - can't read file '%s': %s\n",
file_path, strerror(errno)); file_path, strerror(errno));
goto close; goto close;
} }
@ -888,16 +898,16 @@ int sdram_load_file(struct sdram_in *sdram_in, char *file_path)
goto close; goto close;
sdram_in->start += MAX_LOAD_SIZE; sdram_in->start += MAX_LOAD_SIZE;
if ( k % 60 == 0) if ( k % 60 == 0)
printf(" 0x%x \n", sdram_in->start); printf(" 0x%x \n", sdram_in->start);
} }
if (j) { if (j) {
if (j % 4 !=0) if (j % 4 !=0)
j += 4 - (j % 4); j += 4 - (j % 4);
status = read(fd, sdram_in->buf, j); status = read(fd, sdram_in->buf, j);
if (status < j) { if (status < j) {
fprintf(stderr, "Error - can't read file '%s': %s\n", fprintf(stderr, "Error - can't read file '%s': %s\n",
file_path, strerror(errno)); file_path, strerror(errno));
goto close; goto close;
} }
@ -917,7 +927,8 @@ out:
int device_reset(int ops) int device_reset(int ops)
{ {
if (usb_get_ingenic_cpu(&ingenic_dev) < 3) { int cpu = get_ingenic_cpu();
if (cpu != BOOT4740 && cpu != BOOT4750 && cpu != BOOT4760) {
printf(" Device unboot! Boot it first!\n"); printf(" Device unboot! Boot it first!\n");
return -1; return -1;
} }