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A64: PSTATE access and tests

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This commit is contained in:
MerryMage 2018-01-07 14:46:35 +00:00
parent 23f3afe0b3
commit e8bcf72ee5
6 changed files with 86 additions and 2 deletions
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55
tests/A64/a64.cpp
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@ -113,3 +113,58 @@ TEST_CASE("A64: Bitmasks", "[a64]") {
REQUIRE(jit.GetRegister(2) == 1);
REQUIRE(jit.GetPC() == 12);
}
TEST_CASE("A64: ANDS NZCV", "[a64]") {
TestEnv env;
Dynarmic::A64::Jit jit{Dynarmic::A64::UserConfig{&env}};
env.code_mem[0] = 0x6a020020; // ANDS W0, W1, W2
env.code_mem[1] = 0x14000000; // B .
SECTION("N=1, Z=0") {
jit.SetRegister(0, 0);
jit.SetRegister(1, 0xFFFFFFFF);
jit.SetRegister(2, 0xFFFFFFFF);
jit.SetPC(0);
env.ticks_left = 2;
jit.Run();
REQUIRE(jit.GetRegister(0) == 0xFFFFFFFF);
REQUIRE(jit.GetRegister(1) == 0xFFFFFFFF);
REQUIRE(jit.GetRegister(2) == 0xFFFFFFFF);
REQUIRE(jit.GetPC() == 4);
REQUIRE((jit.GetPstate() & 0xF0000000) == 0x80000000);
}
SECTION("N=0, Z=1") {
jit.SetRegister(0, 0);
jit.SetRegister(1, 0xFFFFFFFF);
jit.SetRegister(2, 0x00000000);
jit.SetPC(0);
env.ticks_left = 2;
jit.Run();
REQUIRE(jit.GetRegister(0) == 0x00000000);
REQUIRE(jit.GetRegister(1) == 0xFFFFFFFF);
REQUIRE(jit.GetRegister(2) == 0x00000000);
REQUIRE(jit.GetPC() == 4);
REQUIRE((jit.GetPstate() & 0xF0000000) == 0x40000000);
}
SECTION("N=0, Z=0") {
jit.SetRegister(0, 0);
jit.SetRegister(1, 0x12345678);
jit.SetRegister(2, 0x7324a993);
jit.SetPC(0);
env.ticks_left = 2;
jit.Run();
REQUIRE(jit.GetRegister(0) == 0x12240010);
REQUIRE(jit.GetRegister(1) == 0x12345678);
REQUIRE(jit.GetRegister(2) == 0x7324a993);
REQUIRE(jit.GetPC() == 4);
REQUIRE((jit.GetPstate() & 0xF0000000) == 0x00000000);
}
}