kal_bool gfxExtMemSwitchCachableRegion(void **mem_ptr, kal_uint32 size, kal_bool b_cacheable)
{
kal_bool ret_switch = KAL_FALSE;
#ifdef __MTK_TARGET__
kal_uint32 buffer_size = size;
#if defined(__DYNAMIC_SWITCH_CACHEABILITY__)
if (0 != (buffer_size % CPU_CACHE_LINE_SIZE))
{
buffer_size = ((buffer_size + CPU_CACHE_LINE_SIZE - 1) / CPU_CACHE_LINE_SIZE) * CPU_CACHE_LINE_SIZE;
}
if ((IS_CACHE_LINE_SIZE_ALIGNED((kal_uint32)(*mem_ptr))) &&
(IS_CACHE_LINE_SIZE_ALIGNED(buffer_size)) &&
(is_predef_dyna_c_region((kal_uint32)(*mem_ptr), size)))
{
if (KAL_TRUE == b_cacheable)
{
if(KAL_TRUE == INT_QueryIsNonCachedRAM((kal_uint32 *)*mem_ptr, buffer_size))
{
dynamic_switch_cacheable_region(mem_ptr, buffer_size, PAGE_CACHEABLE);
ret_switch = KAL_TRUE;
}
}
else
{
if(KAL_TRUE == INT_QueryIsCachedRAM((kal_uint32 *)*mem_ptr, buffer_size))
{
dynamic_switch_cacheable_region(mem_ptr, buffer_size, PAGE_NO_CACHE);
ret_switch = KAL_TRUE;
}
}
}
#elif defined(__MTK_L1CACHEABLE__)
kal_bool is_wt_cache = (kal_bool)(INT_QueryIsWriteThroughCachedRAM(*mem_ptr, buffer_size));
if (KAL_TRUE == is_wt_cache)
{
if(KAL_TRUE == b_cacheable)
{
invalidate_wt_cache((kal_uint32)*mem_ptr, buffer_size);
}
}
else
{
if(KAL_TRUE == b_cacheable)
{
invalidate_l1cache((kal_uint32)*mem_ptr, buffer_size);
}
}
#endif
#endif /* __MTK_TARGET__ */
return ret_switch;
}
void do_it ( unsigned int base )
{
unsigned int ra;
unsigned int beg,end;
unsigned int rb;
unsigned int min,max;
unsigned int rc;
stop_l1cache(); //just in case
invalidate_l1cache();
hexstrings(base);
hexstrings(base);
hexstrings(base);
hexstring(base);
hexstring(GET_CONTROL());
CLR_CONTROL(1<<11);
hexstring(GET_CONTROL());
max=0;
min=0; min--;
for(ra=base+0x6000;ra<base+0x6100;ra+=4)
{
unsigned int flag;
PUT32(ra+0x00,0xe2500001);
PUT32(ra+0x04,0x1afffffd);
PUT32(ra+0x08,0xe12fff1e);
GET32(ra+0x08);
PrefetchFlush();
for(rc=0;rc<4;rc++)
{
beg=GET32(ARM_TIMER_CNT);
HOP(0x20000,ra);
end=GET32(ARM_TIMER_CNT);
rb=end-beg;
flag=0;
if(rb>gmax) gmax=rb;
if(rb<gmin) gmin=rb;
if(rb>max) { flag++; max=rb; }
if(rb<min) { flag++; min=rb; }
if(flag)
{
hexstrings(ra);
hexstrings(rb);
hexstrings(min);
hexstrings(max);
hexstring(max-min);
}
}
}
hexstring(GET_CONTROL());
SET_CONTROL(1<<11);
hexstring(GET_CONTROL());
if(1)
{
max=0;
min=0; min--;
for(ra=base+0x6000;ra<base+0x6100;ra+=4)
{
unsigned int flag;
PUT32(ra+0x00,0xe2500001);
PUT32(ra+0x04,0x1afffffd);
PUT32(ra+0x08,0xe12fff1e);
GET32(ra+0x08);
PrefetchFlush();
for(rc=0;rc<4;rc++)
{
beg=GET32(ARM_TIMER_CNT);
HOP(0x20000,ra);
end=GET32(ARM_TIMER_CNT);
rb=end-beg;
flag=0;
if(rb>gmax) gmax=rb;
if(rb<gmin) gmin=rb;
if(rb>max) { flag++; max=rb; }
if(rb<min) { flag++; min=rb; }
if(flag)
{
hexstrings(ra);
hexstrings(rb);
hexstrings(min);
hexstrings(max);
hexstring(max-min);
}
}
}
}
hexstring(GET_CONTROL());
CLR_CONTROL(1<<11);
hexstring(GET_CONTROL());
ra=GET32(ARM_TIMER_CNT);
start_l1cache();
max=0;
min=0; min--;
for(ra=base+0x6000;ra<base+0x6100;ra+=4)
{
unsigned int flag;
PUT32(ra+0x00,0xe2500001);
PUT32(ra+0x04,0x1afffffd);
PUT32(ra+0x08,0xe12fff1e);
GET32(ra+0x08);
PrefetchFlush();
invalidate_l1cache();
for(rc=0;rc<4;rc++)
{
beg=GET32(ARM_TIMER_CNT);
HOP(0x20000,ra);
end=GET32(ARM_TIMER_CNT);
rb=end-beg;
flag=0;
if(rb>gmax) gmax=rb;
if(rb<gmin) gmin=rb;
if(rb>max) { flag++; max=rb; }
if(rb<min) { flag++; min=rb; }
if(flag)
{
hexstrings(ra);
hexstrings(rb);
hexstrings(min);
hexstrings(max);
hexstring(max-min);
}
}
}
hexstring(GET_CONTROL());
SET_CONTROL(1<<11);
hexstring(GET_CONTROL());
max=0;
min=0; min--;
for(ra=base+0x6000;ra<base+0x6100;ra+=4)
{
unsigned int flag;
PUT32(ra+0x00,0xe2500001);
PUT32(ra+0x04,0x1afffffd);
PUT32(ra+0x08,0xe12fff1e);
GET32(ra+0x08);
PrefetchFlush();
invalidate_l1cache();
for(rc=0;rc<4;rc++)
{
beg=GET32(ARM_TIMER_CNT);
HOP(0x20000,ra);
end=GET32(ARM_TIMER_CNT);
rb=end-beg;
flag=0;
if(rb>gmax) gmax=rb;
if(rb<gmin) gmin=rb;
if(rb>max) { flag++; max=rb; }
if(rb<min) { flag++; min=rb; }
if(flag)
{
hexstrings(ra);
hexstrings(rb);
hexstrings(min);
hexstrings(max);
hexstring(max-min);
}
}
}
hexstring(GET_CONTROL());
CLR_CONTROL(1<<11);
hexstring(GET_CONTROL());
stop_l1cache();
}
//-------------------------------------------------------------------------
int notmain ( void )
{
//unsigned int ra,rb;
unsigned int ra;
unsigned int beg,end;
//uart_init();
hexstrings(0x12345678);
hexstrings(0x12345678);
hexstrings(0x12345678);
hexstrings(0x12345678);
hexstring(0x12345678);
gmax=0;
gmin=0; gmin--;
PUT32(ARM_TIMER_CTL,0x00000000);
PUT32(ARM_TIMER_CTL,0x00000200);
beg=GET32(ARM_TIMER_CNT);
ASMDELAY(100000);
end=GET32(ARM_TIMER_CNT);
hexstring(end-beg);
for(ra=0;ra<4;ra++)
{
beg=GET32(ARM_TIMER_CNT);
ASMDELAY(100000);
end=GET32(ARM_TIMER_CNT);
hexstring(end-beg);
}
start_l1cache();
for(ra=0;ra<4;ra++)
{
beg=GET32(ARM_TIMER_CNT);
ASMDELAY(100000);
end=GET32(ARM_TIMER_CNT);
hexstring(end-beg);
}
invalidate_l1cache();
for(ra=0;ra<4;ra++)
{
beg=GET32(ARM_TIMER_CNT);
ASMDELAY(10);
end=GET32(ARM_TIMER_CNT);
hexstring(end-beg);
}
invalidate_l1cache();
for(ra=0;ra<4;ra++)
{
beg=GET32(ARM_TIMER_CNT);
ASMDELAY(10);
end=GET32(ARM_TIMER_CNT);
hexstring(end-beg);
}
stop_l1cache();
do_it(0xC0000000);
do_it(0x80000000);
do_it(0x40000000);
hexstrings(gmin); hexstrings(gmax); hexstring(gmax-gmin);
hexstring(0x12345678);
return(0);
}
