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vr4300: Fix improper handling of valid bit in TLB probe function

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This fix restores GoldenEye support (#78)
This commit is contained in:
Simon Eriksson 2021-02-19 23:24:55 +01:00
parent 3f865dcedf
commit 6f9f5784bf
1 changed files with 1 additions and 5 deletions
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6
arch/x86_64/tlb/tlb.c
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@ -40,7 +40,7 @@ unsigned tlb_probe(const struct cen64_tlb *tlb,
for (i = 0; i < 32; i += 8) {
__m128i check_l, check_h, vpn_check;
__m128i check_a, check_g, asid_check;
__m128i check, check_v;
__m128i check;
__m128i page_mask_l = _mm_load_si128((__m128i*) (tlb->page_mask.data + i + 0));
__m128i page_mask_h = _mm_load_si128((__m128i*) (tlb->page_mask.data + i + 4));
@ -64,10 +64,6 @@ unsigned tlb_probe(const struct cen64_tlb *tlb,
// Match only on VPN match && (asid match || global)
check = _mm_and_si128(vpn_check, asid_check);
// Match only on all of the above >= 1 valid bit set.
check_v = _mm_loadl_epi64((__m128i*) (tlb->valid + i));
check = _mm_and_si128(check, check_v);
if ((one_hot_idx = _mm_movemask_epi8(check)) != 0) {
*index = i + cen64_one_hot_lut[one_hot_idx & 0xFF];
return 0;