PUBLIC void JpegEnc_HwSubModuleCfg(void)
{
int32 cmd = 0;
JPEG_CODEC_T *jpeg_fw_codec = Get_JPEGEncCodec();
SCI_ASSERT(jpeg_fw_codec != PNULL);
//BSM Module cfg
cmd = (jpeg_fw_codec->pingpang_buf_len+3)>>2;
if(cmd > 0x1FFFFF) {
cmd = 0x1FFFFF;
}
/*cmd = (0<<31) | ((jpeg_fw_codec->pingpang_buf_len+3)>>2);*/
JPG_WRITE_REG(JPG_BSM_REG_BASE+BSM_CFG0_OFFSET, cmd, "BSM_CFG0: buffer0 for write, and the max buffer size");
#if _CMODEL_
g_bs_pingpang_bfr0 = jpeg_fw_codec->stream_0;
g_bs_pingpang_bfr1 = jpeg_fw_codec->stream_1;
init_bsm();
#endif
//VLC Module cfg, config total mcu number here, it will be modified for slice mode in JPEG_HWEncStart() function.
cmd = ((jpeg_fw_codec->mcu_num_y * jpeg_fw_codec->mcu_num_x) & 0xfffff);
JPG_WRITE_REG(JPG_VLC_REG_BASE+VLC_TOTAL_MCU_OFFSET, cmd, "VLC_CFG_OFF: total mcu number");
//DCT Module cfg
cmd = (DCT_QUANT_EN << 8) | (DCT_AUTO_MODE << 1) | (DCT_MODE);
JPG_WRITE_REG(JPG_DCT_REG_BASE+DCT_CFG_OFFSET, cmd, "DCT_CONFIG: enable quant, auto-mode, dct-mode");
JPG_WRITE_REG(JPG_DCT_REG_BASE+DCT_CFG_DONE_OFFSET, 1, "DCT_CFG_FINISH: config finished");
//MBIO Module cfg
JPG_WRITE_REG(JPG_MBIO_REG_BASE+CFG_OFFSET, (MBIO_RUN_FREE_MODE), "MBIO_CFG: disable post-filter and free_run_mode");
return;
}
/*------------------------------------------------------------------------
* sysinit -- initialize all Xinu data structeres and devices
*------------------------------------------------------------------------
*/
LOCAL
sysinit()
{
static long currsp;
int i,j;
struct pentry *pptr;
struct sentry *sptr;
struct mblock *mptr;
SYSCALL pfintr();
numproc = 0; /* initialize system variables */
nextproc = NPROC-1;
nextsem = NSEM-1;
nextqueue = NPROC; /* q[0..NPROC-1] are processes */
/* initialize free memory list */
/* PC version has to pre-allocate 640K-1024K "hole" */
if (maxaddr+1 > HOLESTART) {
memlist.mnext = mptr = (struct mblock *) roundmb(&end);
mptr->mnext = (struct mblock *)HOLEEND;
mptr->mlen = (int) truncew(((unsigned) HOLESTART -
(unsigned)&end));
mptr->mlen -= 4;
mptr = (struct mblock *) HOLEEND;
mptr->mnext = 0;
mptr->mlen = (int) truncew((unsigned)maxaddr - HOLEEND -
NULLSTK);
/*
mptr->mlen = (int) truncew((unsigned)maxaddr - (4096 - 1024 ) * 4096 - HOLEEND - NULLSTK);
*/
} else {
/* initialize free memory list */
memlist.mnext = mptr = (struct mblock *) roundmb(&end);
mptr->mnext = 0;
mptr->mlen = (int) truncew((unsigned)maxaddr - (int)&end -
NULLSTK);
}
for (i=0 ; i<NPROC ; i++) /* initialize process table */
proctab[i].pstate = PRFREE;
#ifdef MEMMARK
_mkinit(); /* initialize memory marking */
#endif
#ifdef RTCLOCK
clkinit(); /* initialize r.t.clock */
#endif
mon_init(); /* init monitor */
#ifdef NDEVS
for (i=0 ; i<NDEVS ; i++ ) {
init_dev(i);
}
#endif
pptr = &proctab[NULLPROC]; /* initialize null process entry */
pptr->pstate = PRCURR;
for (j=0; j<7; j++)
pptr->pname[j] = "prnull"[j];
pptr->plimit = (WORD)(maxaddr + 1) - NULLSTK;
pptr->pbase = (WORD) maxaddr - 3;
/*
pptr->plimit = (WORD)(maxaddr + 1) - NULLSTK - (4096 - 1024 )*4096;
pptr->pbase = (WORD) maxaddr - 3 - (4096-1024)*4096;
*/
pptr->pesp = pptr->pbase-4; /* for stkchk; rewritten before used */
*( (int *)pptr->pbase ) = MAGIC;
pptr->paddr = (WORD) nulluser;
pptr->pargs = 0;
pptr->pprio = 0;
currpid = NULLPROC;
for (i=0 ; i<NSEM ; i++) { /* initialize semaphores */
(sptr = &semaph[i])->sstate = SFREE;
sptr->sqtail = 1 + (sptr->sqhead = newqueue());
}
rdytail = 1 + (rdyhead=newqueue());/* initialize ready list */
//OS proj 3 modify
//OS proj 3 modify
init_bsm(); //initialize 16 Backing stores
init_frm(); //initialize 1024 frames
set_evec(14,pfintr);
return(OK);
}
/*------------------------------------------------------------------------
* nulluser -- initialize system and become the null process (id==0)
*------------------------------------------------------------------------
*/
nulluser() /* babysit CPU when no one is home */
{
int userpid;
unsigned long temp;
console_dev = SERIAL0; /* set console to COM0 */
initevec();
kprintf("system running up!\n");
sysinit();
enable(); /* enable interrupts */
sprintf(vers, "PC Xinu %s", VERSION);
kprintf("\n\n%s\n", vers);
if (reboot++ < 1)
kprintf("\n");
else
kprintf(" (reboot %d)\n", reboot);
kprintf("%d bytes real mem\n",
(unsigned long) maxaddr+1);
#ifdef DETAIL
kprintf(" %d", (unsigned long) 0);
kprintf(" to %d\n", (unsigned long) (maxaddr) );
#endif
kprintf("%d bytes Xinu code\n",
(unsigned long) ((unsigned long) &end - (unsigned long) start));
#ifdef DETAIL
kprintf(" %d", (unsigned long) start);
kprintf(" to %d\n", (unsigned long) &end );
#endif
#ifdef DETAIL
kprintf("%d bytes user stack/heap space\n",
(unsigned long) ((unsigned long) maxaddr - (unsigned long) &end));
kprintf(" %d", (unsigned long) &end);
kprintf(" to %d\n", (unsigned long) maxaddr);
#endif
kprintf("clock %sabled\n", clkruns == 1?"en":"dis");
/*
initialize_pagedirectory();
initialize_pagetable();
get_frame(1,FR_DIR,0);
get_frame(1,FR_TBL,0);
get_frame(1,FR_TBL,0);
get_frame(1,FR_TBL,0);
get_frame(1,FR_TBL,0);
*/
init_frm();
init_bsm();
temp = create_ps() ;
write_cr3(0x400000);
set_evec(14,pfintr);
proctab[currpid].pdbr = temp;
// pageq.next= &pageq; //Always points to head
myheadq = NULL; //actual pointer used by page replacement policyi
currq = NULL;
pcurrq = NULL;
/* create a process to execute the user's main program */
userpid = create(main,INITSTK,INITPRIO,INITNAME,INITARGS);
enable_paging();
resume(userpid);
while (TRUE)
/* empty */;
}
