void *
save_crashdump(void *arg)
{
struct mic_info *mic = (struct mic_info *)arg;
struct mpssd_info *mpssdi = (struct mpssd_info *)mic->data;
int cdfd = -1;
int procfd = -1;
void *addr = NULL;
ssize_t bytes;
ssize_t total_bytes = 0;
ssize_t dirlimit;
ssize_t diractual;
struct tm *tm = NULL;
char pathname[PATH_MAX];
time_t t;
pid_t pid1 = 0;
char *state;
char *save;
struct stat sbuf;
struct statvfs vbuf;
int err;
pthread_setcancelstate(PTHREAD_CANCEL_ENABLE, NULL);
pthread_setcanceltype(PTHREAD_CANCEL_ASYNCHRONOUS, NULL);
if ((dirlimit = atoi(CD_LIMIT) * (1024 * 1024 * 1024ULL)) == 0) {
mpsslog(PWARN, "%s: [SaveCrashDump] Dump disabled\n", mic->name);
goto reboot;
}
if (stat(CD_DIR, &sbuf) < 0) {
if (mkdir(CD_DIR, 0755) < 0) {
mpsslog(PWARN, "%s: [SaveCrashDump] Avborted - create directory %s failed: %s\n",
mic->name, CD_DIR, strerror(errno));
goto reboot;
}
diractual = dirlimit;
} else { /* Check size of crash directory with configured limits */
if ((diractual = get_dir_size(mic, CD_DIR)) < 0) {
mpsslog(PINFO, "%s: [SaveCrashDump] Avborted - get directory %s size failed: %s\n",
mic->name, CD_DIR, strerror(errno));
goto reboot;
}
}
if (diractual > dirlimit) {
mpsslog(PINFO, "%s: [SaveCrashDump] Avborted - %s current size 0x%lx configured limit 0x%lx\n",
mic->name, CD_DIR, diractual, dirlimit);
goto reboot;
}
/* Open core dump file with time details embedded in file name */
time(&t);
if ((tm = localtime(&t)) == 0) {
mpsslog(PERROR, "%s: [SaveCrashdump] Aborted - get system date failed\n", mic->name);
goto reboot;
}
/* Create crash directories if not done already */
snprintf(pathname, PATH_MAX - 1, "%s/%s", CD_DIR, mic->name);
if (mkdir(pathname, 0755) && errno != EEXIST) {
mpsslog(PERROR, "%s: [SaveCrashDump] Aborted - create directory %s failed %s\n",
mic->name, pathname, strerror(errno));
goto reboot;
}
if (statvfs(pathname, &vbuf) < 0) {
mpsslog(PERROR, "%s: [SaveCrashDump] Aborted - cannot read free disk size of %s: %s\n",
mic->name, pathname, strerror(errno));
goto reboot;
}
if (CD_MIN_DISK > (vbuf.f_bsize * vbuf.f_bfree)) {
mpsslog(PERROR, "%s: [SaveCrashDump] Aborted - free disk space less than required 32Gb\n", mic->name);
goto reboot;
}
/* Open vmcore entry for crashed card */
snprintf(pathname, PATH_MAX - 1, "/proc/mic_vmcore/%s", mic->name);
if ((procfd = open(pathname, O_RDONLY)) < 0) {
mpsslog(PERROR, "%s: [SaveCrashdump] Aborted - open %s failed: %s\n",
mic->name, pathname, strerror(errno));
goto reboot;
}
snprintf(pathname, PATH_MAX - 1, "%s/%s/vmcore-%d-%d-%d-%d:%d:%d", CD_DIR, mic->name,
tm->tm_year + 1900, tm->tm_mon + 1, tm->tm_mday,
tm->tm_hour, tm->tm_min, tm->tm_sec);
if ((cdfd = open(pathname, O_CREAT | O_RDWR, S_IRUSR | S_IWUSR)) < 0) {
mpsslog(PERROR, "%s: [SaveCrashDump] Aborted - open %s failed %s\n",
mic->name, pathname, strerror(errno));
goto cleanup1;
}
mpsslog(PINFO, "%s: [SaveCrashDump] Capturing uOS kernel crash dump\n", mic->name);
/* Read from the proc entry and write to the core dump file */
do {
if (lseek(cdfd, CD_READ_CHUNK, SEEK_CUR) < 0) {
mpsslog(PERROR, "%s: [SaveCrashDump] Aborted lseek failed %s\n", mic->name, strerror(errno));
remove(pathname);
goto cleanup2;
}
bytes = write(cdfd, "", 1);
if (bytes != 1) {
mpsslog(PERROR, "%s: [SaveCrashDump] Aborted write failed %s\n", mic->name, strerror(errno));
remove(pathname);
goto cleanup2;
}
if ((addr = mmap(NULL, CD_READ_CHUNK, PROT_READ|PROT_WRITE,
MAP_SHARED, cdfd, total_bytes)) == MAP_FAILED) {
mpsslog(PERROR, "%s: [SaveCrasdDump] Aborted mmap failed %s\n", mic->name, strerror(errno));
remove(pathname);
goto cleanup2;
}
if ((bytes = read(procfd, addr, CD_READ_CHUNK)) < 0) {
mpsslog(PERROR, "%s: [SaveCrashDump] Aborted read failed %s\n", mic->name, strerror(errno));
remove(pathname);
munmap(addr, CD_READ_CHUNK);
goto cleanup2;
}
total_bytes += bytes;
munmap(addr, CD_READ_CHUNK);
if (ftruncate(cdfd, total_bytes + 1) < 0) {
mpsslog(PERROR, "%s: [SaveCrashDump] Aborted ftruncate failed %s\n", mic->name, strerror(errno));
remove(pathname);
goto cleanup2;
}
} while (bytes == CD_READ_CHUNK);
mpsslog(PNORM, "%s: [SaveCrashDump] Completed raw dump size 0x%lx\n", mic->name, total_bytes);
mpsslog(PNORM, "%s: [SaveCrashDump] Gzip started\n", mic->name);
pid1 = gzip(pathname); /* Initiate compression of the file and reset MIC in parallel */
cleanup2:
close(cdfd);
cleanup1:
close(procfd);
reboot:
if ((err = mpss_setsysfs(mic->name, "state", "reset:force")) != 0) {
mpsslog(PINFO, "%s: [SaveCrashDump] Failed to set state sysfs - cannot reset: %s\n",
mic->name, strerror(err));
goto done;
}
if ((state = mpss_readsysfs(mic->name, "state")) == NULL) {
mpsslog(PINFO, "%s: [SaveCrashDump] Failed to read state sysfs - state of reset unknown\n", mic->name);
goto done;
}
while (strcmp(state, "ready") && strcmp(state, "reset failed")) {
if (!strcmp(state, "online") || !strcmp(state, "booting")) {
mpsslog(PINFO, "%s: [SaveCrashDump] External entity has already rebooted card\n", mic->name);
free(state);
goto done;
}
mpsslog(PINFO, "%s: [SaveCrashDump] Waiting for reset\n", mic->name);
sleep(2);
save = state;
if ((state = mpss_readsysfs(mic->name, "state")) == NULL) {
mpsslog(PWARN, "%s: [SaveCrashDump] wait for ready failed to read state sysfs - try again\n",
mic->name);
state = save;
} else {
free(save);
}
}
if (strcmp(state, "ready")) {
mpsslog(PERROR, "%s: [SaveCrashDump] Failed to reset card. Aborting reboot\n", mic->name);
free(state);
goto done;
}
if (pid1 && (pid1 < 0 || ((waitpid(pid1, NULL, 0)) < 0)))
remove(pathname);
if (autoreboot(mic)) {
while (pthread_mutex_lock(&start_lock) != 0);
start_count++;
while (pthread_mutex_lock(&mpssdi->pth_lock) != 0);
pthread_create(&mpssdi->boot_pth, NULL, boot_mic, mic);
while (pthread_mutex_unlock(&mpssdi->pth_lock) != 0);
while (pthread_mutex_unlock(&start_lock) != 0);
}
done:
pthread_exit(NULL);
}
void checkAutoFlashing(unsigned long startAddr, int len)
{
int i=0;
unsigned long head_offset=0, srcAddr, burnLen;
unsigned short sum=0;
unsigned char sum1=0;
int skip_header=0;
int reboot=0;
IMG_HEADER_T Header ; //avoid unalign problem
int skip_check_signature=0;
unsigned long burn_offset =0; //mark_dual
#ifdef CONFIG_RTL_FLASH_DUAL_IMAGE_ENABLE
check_dualbank_setting(0); //must do check image to get current boot_bank.......
#endif
while( (head_offset + sizeof(IMG_HEADER_T)) < len){
sum=0; sum1=0;
memcpy(&Header, ((char *)startAddr + head_offset), sizeof(IMG_HEADER_T));
if (!skip_check_signature) {
for(i=0 ;i < MAX_SIG_TBL ; i++) {
if(!memcmp(Header.signature, (char *)sign_tbl[i].signature, sign_tbl[i].sig_len))
break;
}
if(i == MAX_SIG_TBL){
head_offset += Header.len + sizeof(IMG_HEADER_T);
continue ;
}
#ifdef CONFIG_BOOT_CODE_SIZE_CHECK
if(!memcmp(Header.signature, BOOT_SIGNATURE, SIG_LEN)){
// - checksum len
if((Header.len-2) > CONFIG_BOOT_CODE_SIZE){
prom_printf("bootcode is too big\n");
return;
}
}
#endif
skip_header = sign_tbl[i].skip ;
if(skip_header){
srcAddr = startAddr + head_offset + sizeof(IMG_HEADER_T);
burnLen = Header.len; // +checksum
}else{
srcAddr = startAddr + head_offset ;
burnLen = Header.len + sizeof(IMG_HEADER_T) ;
}
reboot |= sign_tbl[i].reboot;
prom_printf("\n%s upgrade.\n", sign_tbl[i].comment);
}
else {
if(!memcmp(Header.signature, BOOT_SIGNATURE, SIG_LEN)){
#ifdef CONFIG_BOOT_CODE_SIZE_CHECK
// - checksum len
if((Header.len-2) > CONFIG_BOOT_CODE_SIZE){
prom_printf("bootcode is too big\n");
return;
}
#endif
skip_header = 1;
}else {
unsigned char *pRoot =((unsigned char *)startAddr) + head_offset + sizeof(IMG_HEADER_T);
if (!memcmp(pRoot, SQSH_SIGNATURE, SIG_LEN))
skip_header = 1;
else
skip_header = 0;
}
if(skip_header){
srcAddr = startAddr + head_offset + sizeof(IMG_HEADER_T);
burnLen = Header.len ; // +checksum
}else{
srcAddr = startAddr + head_offset ;
burnLen = Header.len + sizeof(IMG_HEADER_T) ;
}
}
if(skip_check_signature ||
memcmp(Header.signature, WEB_SIGNATURE, 3)){
//calculate checksum
if(!memcmp(Header.signature, ALL1_SIGNATURE, SIG_LEN) ||
!memcmp(Header.signature, ALL2_SIGNATURE, SIG_LEN)) {
for (i=0; i< Header.len+sizeof(IMG_HEADER_T); i+=2) {
sum += *((unsigned short *)(startAddr+ head_offset + i));
}
}
else
{
unsigned char x=0,y=0;
unsigned short temp=0;
for (i=0; i< Header.len; i+=2)
{
#if defined(RTL8196B) || defined(RTL8198)
#if 1
//sum +=*((unsigned short *)(startAddr+ head_offset + sizeof(IMG_HEADER_T) + i));
memcpy(&temp, (startAddr+ head_offset + sizeof(IMG_HEADER_T) + i), 2); // for alignment issue
sum+=temp;
#else
x=*((unsigned char *)(startAddr+ head_offset + sizeof(IMG_HEADER_T) + i));
y=*((unsigned char *)(startAddr+ head_offset + sizeof(IMG_HEADER_T) + i+1));
sum+=(y|x<<8)&0xFFFF;
#endif
#else
sum += *((unsigned short *)(startAddr+ head_offset + sizeof(IMG_HEADER_T) + i));
#endif //#if defined(RTL8196B) || defined(RTL8198)
}
}
if ( sum ) {
prom_printf("%s imgage checksum error at %X!\n"
, Header.signature, startAddr+head_offset);
return ;
}
if(!memcmp(Header.signature, ALL1_SIGNATURE, SIG_LEN)){
head_offset += sizeof(IMG_HEADER_T);
continue;
}
if(!memcmp(Header.signature, ALL2_SIGNATURE, SIG_LEN)){
skip_check_signature = 1;
head_offset += sizeof(IMG_HEADER_T);
continue;
}
}else
{ //web page use different checksum algorimth
for (i=0; i< Header.len; i++)
sum1 += *((unsigned char *)(startAddr+ head_offset + sizeof(IMG_HEADER_T) + i));
if ( sum1 ) {
prom_printf("%s imgage checksum error at %X!\n"
, Header.signature, startAddr+head_offset);
return ;
}
}
prom_printf("checksum Ok !\n");
prom_printf("burn Addr =0x%x! srcAddr=0x%x len =0x%x \n", Header.burnAddr, srcAddr, burnLen);
#ifdef CONFIG_RTL_FLASH_DUAL_IMAGE_ENABLE
if(!memcmp(Header.signature, FW_SIGNATURE, SIG_LEN) || !memcmp(Header.signature, FW_SIGNATURE_WITH_ROOT, SIG_LEN))
{
IMG_HEADER_T header_t, *header_p;
header_p = &header_t;
burn_offset = sel_burnbank_offset();
prom_printf("burn_offset = %x !\n",burn_offset);
memcpy(header_p, ((char *)srcAddr), sizeof(IMG_HEADER_T));
header_p->burnAddr = get_next_bank_mark();
//prom_printf("2 header_p->burn = 0x%x \n", header_p->burnAddr);
memcpy(((char *)srcAddr), header_p, sizeof(IMG_HEADER_T));
}
else if(!memcmp(Header.signature, ROOT_SIGNATURE, SIG_LEN))
{
burn_offset = sel_burnbank_offset();
prom_printf("burn_offset = %x !\n",burn_offset);
}
#endif
int trueorfaulse = 0;
#ifdef CONFIG_SPI_FLASH
#ifdef SUPPORT_SPI_MIO_8198_8196C
if(Header.burnAddr+burn_offset+burnLen > spi_flash_info[0].chip_size)
{
if(spi_flw_image_mio_8198(0,Header.burnAddr+burn_offset, srcAddr, spi_flash_info[0].chip_size-(Header.burnAddr+burn_offset))&&
spi_flw_image_mio_8198(1,0, srcAddr+spi_flash_info[0].chip_size-(Header.burnAddr+burn_offset), Header.burnAddr+burn_offset+burnLen-spi_flash_info[0].chip_size))
trueorfaulse = 1;
}
else
if(spi_flw_image_mio_8198(0,Header.burnAddr+burn_offset, srcAddr, burnLen))
trueorfaulse = 1;
#else
if(spi_flw_image(0,Header.burnAddr+burn_offset, srcAddr, burnLen))
#endif
#else
if (flashwrite(Header.burnAddr+burn_offset, srcAddr, burnLen))
#endif
if(trueorfaulse)
prom_printf("\nFlash Write Successed!\n%s", "<RealTek>");
else{
prom_printf("\nFlash Write Failed!\n%s", "<RealTek>");
return ;
}
head_offset += Header.len + sizeof(IMG_HEADER_T);
} //while
if(reboot){
autoreboot();
}
}
