int patch_htabfix()
{
int i, res;
uint64_t pte0, pte1;
// process entire lv2
for (i = 0; i < 128; i++)
{
// read the old value
pte0 = lv2peek(HTAB_BASE | (i << 7));
pte1 = lv2peek(HTAB_BASE | (i << 7) + 8);
WriteLogInit(0,NULL,"APP: %d loop\n",i);;
WriteLogInit(0,NULL,"APP: pte0: 0x%016llx\n", pte0);;
WriteLogInit(0,NULL,"APP: pte1: 0x%016llx\n", pte1);;
//verify entry is lv2
if ((pte1 >= HTAB_LV2_START) && (pte1 < HTAB_LV2_END))
{
// patch proper htab settings
res = lv1_write_htab_entry( 0, i << 3, pte0, (pte1 & 0xff0000) | 0x190 );
}
}
WriteLogInit(0,NULL,"APP: Htab parcheado OK!\n");;
return res;
}
void main(void)
{
for (int i = 0; i < 128; i++)
{
uint64_t pte0 = *(uint64_t *)(MKA(0xf000000 | (i<<7)));
uint64_t pte1 = *(uint64_t *)(MKA(0xf000000 | ((i<<7)+8)));
lv1_write_htab_entry(0, i << 3, pte0, (pte1 & 0xff0000) | 0x190);
}
}
static void ps3_hpte_clear(void)
{
unsigned long hpte_count = (1UL << ppc64_pft_size) >> 4;
u64 i;
for (i = 0; i < hpte_count; i++)
lv1_write_htab_entry(PS3_LPAR_VAS_ID_CURRENT, i, 0, 0);
ps3_mm_shutdown();
ps3_mm_vas_destroy();
}
static long ps3_hpte_updatepp(unsigned long slot, unsigned long newpp,
unsigned long va, int psize, int ssize, int local)
{
int result;
u64 hpte_v, want_v, hpte_rs;
u64 hpte_v_array[4];
unsigned long flags;
long ret;
want_v = hpte_encode_v(va, psize, ssize);
spin_lock_irqsave(&ps3_htab_lock, flags);
result = lv1_read_htab_entries(PS3_LPAR_VAS_ID_CURRENT, slot & ~0x3UL,
&hpte_v_array[0], &hpte_v_array[1],
&hpte_v_array[2], &hpte_v_array[3],
&hpte_rs);
if (result) {
pr_info("%s: res=%d read va=%lx slot=%lx psize=%d\n",
__func__, result, va, slot, psize);
BUG();
}
hpte_v = hpte_v_array[slot % 4];
/*
* As lv1_read_htab_entries() does not give us the RPN, we can
* not synthesize the new hpte_r value here, and therefore can
* not update the hpte with lv1_insert_htab_entry(), so we
<<<<<<< HEAD
* instead invalidate it and ask the caller to update it via
=======
* insted invalidate it and ask the caller to update it via
>>>>>>> 296c66da8a02d52243f45b80521febece5ed498a
* ps3_hpte_insert() by returning a -1 value.
*/
if (!HPTE_V_COMPARE(hpte_v, want_v) || !(hpte_v & HPTE_V_VALID)) {
/* not found */
ret = -1;
} else {
/* entry found, just invalidate it */
result = lv1_write_htab_entry(PS3_LPAR_VAS_ID_CURRENT,
slot, 0, 0);
ret = -1;
}
spin_unlock_irqrestore(&ps3_htab_lock, flags);
return ret;
}
static void ps3_hpte_invalidate(unsigned long slot, unsigned long va,
int psize, int ssize, int local)
{
unsigned long flags;
int result;
spin_lock_irqsave(&ps3_htab_lock, flags);
result = lv1_write_htab_entry(PS3_LPAR_VAS_ID_CURRENT, slot, 0, 0);
if (result) {
pr_info("%s: res=%d va=%lx slot=%lx psize=%d\n",
__func__, result, va, slot, psize);
BUG();
}
spin_unlock_irqrestore(&ps3_htab_lock, flags);
}
