void kld_tag_getlog( void )
{
struct kld_tag tg;
char *start;
tg.hdr.tag = KRTAG_GET_LOG;
tg.hdr.size = sizeof( struct rktag_header ) + sizeof(struct krtag_get_log);
kernel_getlog( &start, &tg.u.log.log[0].offset, &tg.u.log.log[0].total_len);
kernel_getlog_start_length( &tg.u.log.log[0].offset, &tg.u.log.log[0].len);
tg.u.log.log[0].ph_start = virt_to_phys( start );
android_main_getlog( &start, &tg.u.log.log[1].offset, &tg.u.log.log[1].total_len);
android_main_getlog_start_length( &tg.u.log.log[1].offset, &tg.u.log.log[1].len);
tg.u.log.log[1].ph_start = virt_to_phys( start );
tg.u.log.log[2].total_len = 0;
kld_set_tag( &tg.hdr );
}
int rk28_write_file( char *filename )
{
char *procmtd = "/proc/mtd";
struct file *filp = NULL;
loff_t pos;
long fd;
ssize_t l=0;
char pathname[64];
char buf[1024] ;
mm_segment_t old_fs;
struct rtc_time tm;
ktime_t now;
char *tmpbuf;
int mtdidx=0;
int mtdsize = 0x200000; // 2M
char *log_buf;
int log_len;
debug_print("%s: filename=%s\n" , __func__ , filename );
old_fs = get_fs();
set_fs(KERNEL_DS);
fd = sys_open( procmtd , O_RDONLY , 0 );
if( fd >= 0 ) {
memset( buf , 0 , 1024 );
l = sys_read( fd , buf , 1024 );
// debug_print("/proc/mtd,total byte=%d\n" , l );
tmpbuf = strstr( buf , filename );
if( tmpbuf ) {
tmpbuf[10] = 0;
mtdsize = simple_strtoul(tmpbuf-19, NULL , 16);
mtdidx = tmpbuf[-22];
//debug_print("size=%s\n,idx=%s\nmtdsize=%x , mtdidx=%d" , tmpbuf-19 , tmpbuf - 22 ,
// mtdsize , mtdidx );
mtdsize *= 512;
mtdidx -= '0';
}
sys_close( fd );
} else {
debug_print("open %s failed\n" , procmtd );
}
sprintf(pathname , "/dev/block/mtdblock%d" , mtdidx );
filp = filp_open(pathname, O_WRONLY , 0);
if( IS_ERR(filp) ) {
debug_print("open %s failed n" , pathname );
goto out_print;
}
if (!(filp->f_op->write || filp->f_op->aio_write)) {
debug_print("can not write file %s \n" , pathname );
goto close_file;
}
now = ktime_get();
rtc_time_to_tm( now.tv.sec , &tm );
printk( "\n+++++++++++++++++++++++++++++++++++++++++++++++++++++++++\n"
"++++++++++RECORD LOG AT %04d-%02d-%02d %02d:%02d:%02d++++++++++\n"
"+++++++++++++++++++++++++++++++++++++++++++++++++++++++++\n\n\n\n"
,
tm.tm_year+1900 , tm.tm_mon , tm.tm_mday , tm.tm_hour , tm.tm_min , tm.tm_sec );
/* 20090924,HSL,FTL only intial first 256M at loader , MUST write 32 sector one time */
//debug_print("write first pack , pos=%d\n" , pos ); /* pos = 2 ?? */
kernel_getlog(&log_buf , NULL , &log_len );
log_len = (log_len+(32*512-1)) / (32*512) * (32*512);
pos = 0;
l = vfs_write( filp , log_buf , log_len , &pos );
do_fsync(filp, 1);
close_file:
filp_close(filp , NULL);
out_print:
set_fs(old_fs);
debug_print("\nlog len=%d,write=%d\n" ,log_len , l);
return 0x2b;
}
