static void me_loop(volatile struct me_struct *mei)
{
unsigned int k1;
k1 = pspSdkSetK1(0);
while (mei->init) // ME runs this loop until killed
{
while (mei->start == 0); // wait for function
mei->start = 0;
if (mei->precache_len)
{
if (mei->precache_len < 0)
dcache_inv_all();
else
dcache_inv_range(mei->precache_addr, mei->precache_len);
}
mei->result = mei->func(mei->param); // run function
if (mei->postcache_len)
{
if (mei->postcache_len < 0)
dcache_wbinv_all();
else
dcache_wbinv_range(mei->postcache_addr, mei->postcache_len);
}
mei->done = 1;
}
pspSdkSetK1(k1);
while (1); // loop forever until ME reset
}
void dcache_disable(void)
{
/* turn off D-cache */
dcache_stop();
/* clear and invalidate d-cache */
dcache_flush_all();
/* drain write buffer */
asm("mcr p15, 0, %0, c7, c10, 4": :"r"(0));
/* invalidate d-cache */
dcache_inv_all();
/* disable mmu, d-cache */
mmu_turnoff();
}
