WORD load_user_app_to_initd( BYTE* app_name, BYTE* app_binary_base, WORD app_binary_length )
{
WORD status; // 函数执行情况
WORD i;
WORD app_idx;
WORD block;
WORD page;
WORD page_num;
BYTE* buffer;
WORD nf_blocknum;
WORD nf_pagepblock;
WORD nf_mainsize;
WORD nf_sparesize;
/* 先注册 initd 的进程表 */
app_binary_base = 0x00000000;
app_binary_length = 1024;
app_idx = initd_register_app(app_name, app_binary_base, app_binary_length);
/* 这里要切换一下上下文，切换到 app_idx 对应的代码断去 */
MMU_SwitchContext( app_idx );
/* 向 sys_mm 申请需要的内存空间 */
if( ! sys_mm_apply_sdram(app_idx, (WORD)app_binary_base, app_binary_length) )
return RETURN_FAILED;
/* 调用系统调用（ SWI 中断），将代码从 SDRAM 读到内存中 */
NF_GetBlockPageInfo(&nf_blocknum, &nf_pagepblock, &nf_mainsize, &nf_sparesize);
block = 5;
page = 0;
page_num = ((INITD_TABLE[app_idx].binary_length - 1) / nf_mainsize) + 1;
buffer = INITD_TABLE[app_idx].binary_base;
for(i=0; i<page_num; i++)
{
status = NF_WritePage( block, page, buffer );
page++;
buffer += nf_mainsize;
if(page == 32)
{
block++;
page = 0;
}
}
return RETURN_SUCCESS;
}
void K9S1208_Program(void)
{
int i;
int programError=0;
U32 blockIndex;
int noLoad=0;
U8 spareBuf[16]=
{0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff};
U8 *srcPt;
U32 progSize=0;
printf("\n[SMC(K9S1208V0M) NAND Flash Writing Program]\n");
printf("\nSource size:0h~%xh\n",imageSize-1);
printf("\nAvailable target block number: 0~4095\n");
printf("Input target block number:");
scanf("%d",&targetBlock);
targetSize=((imageSize+0x4000-1)/0x4000)*0x4000;
printf("target start block number =%d\n",targetBlock);
printf("target size (0x4000*n) =0x%x\n",targetSize);
printf("STATUS:");
blockIndex=targetBlock;
while(1)
{
static j = 0;
if(noLoad==0)
{
LoadImageFile(blockBuf,0x4000);
}
noLoad=0;
#if BAD_CHECK
if(NF_IsBadBlock(blockIndex) && blockIndex!=0 ) // 1:bad 0:good
{
blockIndex++; // for next block
noLoad=1;
continue;
}
#endif
if(!NF_EraseBlock(blockIndex))
{
blockIndex++; // for next block
noLoad=1;
continue;
}
printf("\n");
srcPt=blockBuf;
for(i=0;i<32;i++)
{
if(!NF_WritePage(blockIndex,i,srcPt,NULL/*spareBuf*/))// block num, page num, buffer
{
programError=1;
break;
}
srcPt+=512; // Increase buffer addr one pase size
printf("\rE:(%d/%d)",32*j+i,32 * targetSize / 0x4000);
fflush(stdout);
}
j++;
printf("\n");
if(programError==1)
{
blockIndex++;
noLoad=1;
programError=0;
continue;
}
progSize+=0x4000;
if(progSize>=imageSize)
break; // Exit while loop
blockIndex++;
}
}
