int main(void)
{
veci16_t pointers = { &foo, &foo, &foo, &foo, &foo, &foo, 0x17, &foo, &foo, &foo, &foo, &foo, &foo, &foo, &foo, &foo };
__builtin_nyuzi_write_control_reg(CR_FAULT_HANDLER, (unsigned int) faultHandler);
__builtin_nyuzi_write_control_reg(CR_TLB_MISS_HANDLER, (unsigned int) tlb_miss_handler);
__builtin_nyuzi_write_control_reg(CR_FLAGS, FLAG_MMU_EN | FLAG_SUPERVISOR_EN);
// This ensures the libc functions are mapped into the TLB so we don't generate
// multiple TLB misses in the fault handler (doesn't break the test, just makes
// debugging cleaner)
printf("Starting test %d\n", 12);
// This will cause an alignment fault on the 6th lane and jump to 'faultHandler'.
// Use scatter store rather than a normal scalar store to ensure the
// subcycle counter is saved correctly.
__builtin_nyuzi_scatter_storei(pointers, __builtin_nyuzi_makevectori(0));
printf("should_not_be_here\n"); // CHECKN: should_not_be_here
return 0;
}
// Run 16 parallel hashes
void sha2Hash(vecu16_t pointers, int totalBlocks, vecu16_t outHashes)
{
// Initial H values
vecu16_t h0 = __builtin_nyuzi_makevectori(0x6A09E667);
vecu16_t h1 = __builtin_nyuzi_makevectori(0xBB67AE85);
vecu16_t h2 = __builtin_nyuzi_makevectori(0x3C6EF372);
vecu16_t h3 = __builtin_nyuzi_makevectori(0xA54FF53A);
vecu16_t h4 = __builtin_nyuzi_makevectori(0x510E527F);
vecu16_t h5 = __builtin_nyuzi_makevectori(0x9B05688C);
vecu16_t h6 = __builtin_nyuzi_makevectori(0x1F83D9AB);
vecu16_t h7 = __builtin_nyuzi_makevectori(0x5BE0CD19);
for (int i = 0; i < totalBlocks; i++)
{
vecu16_t w[64];
for (int index = 0; index < 16; index++)
{
w[index] = __builtin_nyuzi_gather_loadi(pointers);
pointers += __builtin_nyuzi_makevectori(4);
}
for (int index = 16; index < 64; index++)
w[index] = SIG1(w[index - 2]) + w[index - 7] + SIG0(w[index - 15]) + w[index - 16];
vecu16_t a = h0;
vecu16_t b = h1;
vecu16_t c = h2;
vecu16_t d = h3;
vecu16_t e = h4;
vecu16_t f = h5;
vecu16_t g = h6;
vecu16_t h = h7;
for (int round = 0; round < 64; round++)
{
vecu16_t temp1 = h + SIG1(e) + CH(e, f, g) + __builtin_nyuzi_makevectori(K[round]) + w[round];
vecu16_t temp2 = SIG0(a) + MA(a, b, c);
h = g;
g = f;
f = e;
e = d + temp1;
d = c;
c = b;
b = a;
a = temp1 + temp2;
}
h0 += a;
h1 += b;
h2 += c;
h3 += d;
h4 += e;
h5 += f;
h6 += g;
h7 += h;
}
// doesn't add padding or length fields to end...
__builtin_nyuzi_scatter_storei(outHashes, h0);
__builtin_nyuzi_scatter_storei(outHashes + __builtin_nyuzi_makevectori(4), h1);
__builtin_nyuzi_scatter_storei(outHashes + __builtin_nyuzi_makevectori(8), h2);
__builtin_nyuzi_scatter_storei(outHashes + __builtin_nyuzi_makevectori(12), h3);
__builtin_nyuzi_scatter_storei(outHashes + __builtin_nyuzi_makevectori(16), h4);
__builtin_nyuzi_scatter_storei(outHashes + __builtin_nyuzi_makevectori(20), h5);
__builtin_nyuzi_scatter_storei(outHashes + __builtin_nyuzi_makevectori(24), h6);
__builtin_nyuzi_scatter_storei(outHashes + __builtin_nyuzi_makevectori(28), h7);
}
