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// SPDX-License-Identifier: GPL-3.0-or-later
#include <array>
#include <vector>
#include <catch2/catch_test_macros.hpp>
#ifdef ARCHITECTURE_x86_64
#include "video_core/macro_turing_jit.h"
namespace {
std::array<u32, 3> FifoInstruction(u32 method, bool end) {
std::array<u32, 3> bits{};
const auto field = [&](u32 offset, u32 count, u32 value) {
for (u32 bit = 0; bit < count; ++bit) {
bits[(offset + bit) / 32] |= ((value >> bit) & 1) << ((offset + bit) % 32);
}
};
field(0, 1, end);
for (u32 lane = 0; lane < 2; ++lane) {
field(15 + lane * 36, 5, 24);
field(20 + lane * 36, 5, 24);
field(25 + lane * 36, 5, 24);
}
field(30, 16, method);
field(82, 3, 5);
field(85, 4, 3);
return {bits[2], bits[1], bits[0]};
}
} // namespace
TEST_CASE("Owned native macro FIFOs preserve loads across DMA appends and repeated calls",
"[video_core][native_macro]") {
std::vector<u32> code;
for (const auto instruction : {FifoInstruction(0x158, false), FifoInstruction(0x200, true),
FifoInstruction(0x201, false)}) {
code.insert(code.end(), instruction.begin(), instruction.end());
}
Tegra::TuringMacroJit jit;
jit.Prepare(code, 1);
std::array<u32, 0xc00> ram{};
std::vector<u32> parameters;
std::vector<u32> reference;
for (u32 invocation = 0; invocation < 1000; ++invocation) {
const u32 count = 2 + invocation % 127;
parameters.push_back(count);
reference.assign(parameters.begin(), parameters.end());
const auto run = [&](std::vector<u32>& input) {
std::vector<std::pair<u32, u32>> writes;
const auto result = jit.Execute(
0, input, ram, [](u32) { return 0U; },
[&](u32 method, u32 value) {
writes.emplace_back(method, value);
if (method == 0x158) {
for (u32 word = 0; word < value; ++word) {
input.push_back(invocation * 256 + word);
}
}
return true;
});
CHECK(result.success);
CHECK(result.consumed == 3);
return writes;
};
const auto expected = run(reference);
const auto actual = run(parameters);
REQUIRE(actual.size() == 3);
CHECK(actual == expected);
CHECK(parameters == reference);
CHECK(actual[1] == std::pair<u32, u32>{0x200, invocation * 256});
CHECK(actual[2] == std::pair<u32, u32>{0x201, invocation * 256 + 1});
parameters.clear();
}
}
#endif
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