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unit tests & various fixes

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Jeremy Van de woestyne 2020-06-21 19:29:55 +02:00 • committed by merry
parent 709773dcf1
commit b4ee976a6f
4 changed files with 256 additions and 0 deletions
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43
tests/A64/a64.cpp
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@ -837,3 +837,46 @@ TEST_CASE("A64: Cache Maintenance Instructions", "[a64]") {
env.ticks_left = 3;
jit.Run();
}
TEST_CASE("A64: Memory access (fastmem)", "[a64]") {
constexpr size_t address_width = 12;
constexpr size_t memory_size = 1ull << address_width; // 4K
constexpr size_t page_size = 4 * 1024;
constexpr size_t buffer_size = 2 * page_size;
char buffer[buffer_size];
void* buffer_ptr = reinterpret_cast<void*>(buffer);
size_t buffer_size_nconst = buffer_size;
char* backing_memory = reinterpret_cast<char*>(std::align(page_size, memory_size, buffer_ptr, buffer_size_nconst));
A64FastmemTestEnv env{backing_memory};
Dynarmic::A64::UserConfig config{&env};
config.fastmem_pointer = backing_memory;
config.page_table_address_space_bits = address_width;
config.recompile_on_fastmem_failure = false;
config.silently_mirror_page_table = true;
config.processor_id = 0;
Dynarmic::A64::Jit jit{config};
memset(backing_memory, 0, memory_size);
memcpy(backing_memory + 0x100, "Lorem ipsum dolor sit amet, consectetur adipiscing elit.", 57);
env.MemoryWrite32(0, 0xA9401404); // LDP X4, X5, [X0]
env.MemoryWrite32(4, 0xF9400046); // LDR X6, [X2]
env.MemoryWrite32(8, 0xA9001424); // STP X4, X5, [X1]
env.MemoryWrite32(12, 0xF9000066); // STR X6, [X3]
env.MemoryWrite32(16, 0x14000000); // B .
jit.SetRegister(0, 0x100);
jit.SetRegister(1, 0x1F0);
jit.SetRegister(2, 0x10F);
jit.SetRegister(3, 0x1FF);
jit.SetPC(0);
jit.SetSP(memory_size - 1);
jit.SetFpsr(0x03480000);
jit.SetPstate(0x30000000);
env.ticks_left = 5;
jit.Run();
REQUIRE(strncmp(backing_memory + 0x100, backing_memory + 0x1F0, 23) == 0);
}