dynarmic/tests/A64/a64.cpp

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/* This file is part of the dynarmic project.
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* Copyright (c) 2018 MerryMage
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* This software may be used and distributed according to the terms of the GNU
* General Public License version 2 or any later version.
*/
#include <catch.hpp>
#include <dynarmic/A64/exclusive_monitor.h>
#include "testenv.h"
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TEST_CASE("A64: ADD", "[a64]") {
A64TestEnv env;
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Dynarmic::A64::Jit jit{Dynarmic::A64::UserConfig{&env}};
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env.code_mem.emplace_back(0x8b020020); // ADD X0, X1, X2
env.code_mem.emplace_back(0x14000000); // B .
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jit.SetRegister(0, 0);
jit.SetRegister(1, 1);
jit.SetRegister(2, 2);
jit.SetPC(0);
env.ticks_left = 2;
jit.Run();
REQUIRE(jit.GetRegister(0) == 3);
REQUIRE(jit.GetRegister(1) == 1);
REQUIRE(jit.GetRegister(2) == 2);
REQUIRE(jit.GetPC() == 4);
}
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TEST_CASE("A64: REV", "[a64]") {
A64TestEnv env;
Dynarmic::A64::Jit jit{Dynarmic::A64::UserConfig{&env}};
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env.code_mem.emplace_back(0xdac00c00); // REV X0, X0
env.code_mem.emplace_back(0x5ac00821); // REV W1, W1
env.code_mem.emplace_back(0x14000000); // B .
jit.SetRegister(0, 0xaabbccddeeff1100);
jit.SetRegister(1, 0xaabbccdd);
jit.SetPC(0);
env.ticks_left = 3;
jit.Run();
REQUIRE(jit.GetRegister(0) == 0x11ffeeddccbbaa);
REQUIRE(jit.GetRegister(1) == 0xddccbbaa);
REQUIRE(jit.GetPC() == 8);
}
TEST_CASE("A64: REV32", "[a64]") {
A64TestEnv env;
Dynarmic::A64::Jit jit{Dynarmic::A64::UserConfig{&env}};
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env.code_mem.emplace_back(0xdac00800); // REV32 X0, X0
env.code_mem.emplace_back(0x14000000); // B .
jit.SetRegister(0, 0xaabbccddeeff1100);
jit.SetPC(0);
env.ticks_left = 2;
jit.Run();
REQUIRE(jit.GetRegister(0) == 0xddccbbaa0011ffee);
REQUIRE(jit.GetPC() == 4);
}
TEST_CASE("A64: REV16", "[a64]") {
A64TestEnv env;
Dynarmic::A64::Jit jit{Dynarmic::A64::UserConfig{&env}};
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env.code_mem.emplace_back(0xdac00400); // REV16 X0, X0
env.code_mem.emplace_back(0x5ac00421); // REV16 W1, W1
env.code_mem.emplace_back(0x14000000); // B .
jit.SetRegister(0, 0xaabbccddeeff1100);
jit.SetRegister(1, 0xaabbccdd);
jit.SetPC(0);
env.ticks_left = 3;
jit.Run();
REQUIRE(jit.GetRegister(0) == 0xbbaaddccffee0011);
REQUIRE(jit.GetRegister(1) == 0xbbaaddcc);
REQUIRE(jit.GetPC() == 8);
}
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TEST_CASE("A64: AND", "[a64]") {
A64TestEnv env;
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Dynarmic::A64::Jit jit{Dynarmic::A64::UserConfig{&env}};
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env.code_mem.emplace_back(0x8a020020); // AND X0, X1, X2
env.code_mem.emplace_back(0x14000000); // B .
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jit.SetRegister(0, 0);
jit.SetRegister(1, 1);
jit.SetRegister(2, 3);
jit.SetPC(0);
env.ticks_left = 2;
jit.Run();
REQUIRE(jit.GetRegister(0) == 1);
REQUIRE(jit.GetRegister(1) == 1);
REQUIRE(jit.GetRegister(2) == 3);
REQUIRE(jit.GetPC() == 4);
}
TEST_CASE("A64: Bitmasks", "[a64]") {
A64TestEnv env;
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Dynarmic::A64::Jit jit{Dynarmic::A64::UserConfig{&env}};
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env.code_mem.emplace_back(0x3200c3e0); // ORR W0, WZR, #0x01010101
env.code_mem.emplace_back(0x320c8fe1); // ORR W1, WZR, #0x00F000F0
env.code_mem.emplace_back(0x320003e2); // ORR W2, WZR, #1
env.code_mem.emplace_back(0x14000000); // B .
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jit.SetPC(0);
env.ticks_left = 4;
jit.Run();
REQUIRE(jit.GetRegister(0) == 0x01010101);
REQUIRE(jit.GetRegister(1) == 0x00F000F0);
REQUIRE(jit.GetRegister(2) == 1);
REQUIRE(jit.GetPC() == 12);
}
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TEST_CASE("A64: ANDS NZCV", "[a64]") {
A64TestEnv env;
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Dynarmic::A64::Jit jit{Dynarmic::A64::UserConfig{&env}};
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env.code_mem.emplace_back(0x6a020020); // ANDS W0, W1, W2
env.code_mem.emplace_back(0x14000000); // B .
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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);
}
}
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TEST_CASE("A64: CBZ", "[a64]") {
A64TestEnv env;
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Dynarmic::A64::Jit jit{Dynarmic::A64::UserConfig{&env}};
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env.code_mem.emplace_back(0x34000060); // 0x00 : CBZ X0, label
env.code_mem.emplace_back(0x320003e2); // 0x04 : MOV X2, 1
env.code_mem.emplace_back(0x14000000); // 0x08 : B.
env.code_mem.emplace_back(0x321f03e2); // 0x0C : label: MOV X2, 2
env.code_mem.emplace_back(0x14000000); // 0x10 : B .
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SECTION("no branch") {
jit.SetPC(0);
jit.SetRegister(0, 1);
env.ticks_left = 4;
jit.Run();
REQUIRE(jit.GetRegister(2) == 1);
REQUIRE(jit.GetPC() == 8);
}
SECTION("branch") {
jit.SetPC(0);
jit.SetRegister(0, 0);
env.ticks_left = 4;
jit.Run();
REQUIRE(jit.GetRegister(2) == 2);
REQUIRE(jit.GetPC() == 16);
}
}
TEST_CASE("A64: TBZ", "[a64]") {
A64TestEnv env;
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Dynarmic::A64::Jit jit{Dynarmic::A64::UserConfig{&env}};
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env.code_mem.emplace_back(0x36180060); // 0x00 : TBZ X0, 3, label
env.code_mem.emplace_back(0x320003e2); // 0x04 : MOV X2, 1
env.code_mem.emplace_back(0x14000000); // 0x08 : B .
env.code_mem.emplace_back(0x321f03e2); // 0x0C : label: MOV X2, 2
env.code_mem.emplace_back(0x14000000); // 0x10 : B .
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SECTION("no branch") {
jit.SetPC(0);
jit.SetRegister(0, 0xFF);
env.ticks_left = 4;
jit.Run();
REQUIRE(jit.GetRegister(2) == 1);
REQUIRE(jit.GetPC() == 8);
}
SECTION("branch with zero") {
jit.SetPC(0);
jit.SetRegister(0, 0);
env.ticks_left = 4;
jit.Run();
REQUIRE(jit.GetRegister(2) == 2);
REQUIRE(jit.GetPC() == 16);
}
SECTION("branch with non-zero") {
jit.SetPC(0);
jit.SetRegister(0, 1);
env.ticks_left = 4;
jit.Run();
REQUIRE(jit.GetRegister(2) == 2);
REQUIRE(jit.GetPC() == 16);
}
}
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TEST_CASE("A64: FABD", "[a64]") {
A64TestEnv env;
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Dynarmic::A64::Jit jit{Dynarmic::A64::UserConfig{&env}};
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env.code_mem.emplace_back(0x6eb5d556); // FABD.4S V22, V10, V21
env.code_mem.emplace_back(0x14000000); // B .
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jit.SetPC(0);
jit.SetVector(10, {0xb4858ac77ff39a87, 0x9fce5e14c4873176});
jit.SetVector(21, {0x56d3f085ff890e2b, 0x6e4b0a41801a2d00});
env.ticks_left = 2;
jit.Run();
REQUIRE(jit.GetVector(22) == Vector{0x56d3f0857fc90e2b, 0x6e4b0a4144873176});
}
TEST_CASE("A64: 128-bit exclusive read/write", "[a64]") {
A64TestEnv env;
Dynarmic::A64::ExclusiveMonitor monitor{1};
Dynarmic::A64::UserConfig conf;
conf.callbacks = &env;
conf.processor_id = 0;
SECTION("Local Monitor Only") {
conf.global_monitor = nullptr;
}
SECTION("Global Monitor") {
conf.global_monitor = &monitor;
}
Dynarmic::A64::Jit jit{conf};
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env.code_mem.emplace_back(0xc87f0861); // LDXP X1, X2, [X3]
env.code_mem.emplace_back(0xc8241865); // STXP W4, X5, X6, [X3]
env.code_mem.emplace_back(0x14000000); // B .
jit.SetPC(0);
jit.SetRegister(3, 0x1234567812345678);
jit.SetRegister(4, 0xbaadbaadbaadbaad);
jit.SetRegister(5, 0xaf00d1e5badcafe0);
jit.SetRegister(6, 0xd0d0cacad0d0caca);
env.ticks_left = 3;
jit.Run();
REQUIRE(jit.GetRegister(1) == 0x7f7e7d7c7b7a7978);
REQUIRE(jit.GetRegister(2) == 0x8786858483828180);
REQUIRE(jit.GetRegister(4) == 0);
REQUIRE(env.MemoryRead64(0x1234567812345678) == 0xaf00d1e5badcafe0);
REQUIRE(env.MemoryRead64(0x1234567812345680) == 0xd0d0cacad0d0caca);
}
TEST_CASE("A64: CNTPCT_EL0", "[a64]") {
A64TestEnv env;
Dynarmic::A64::Jit jit{Dynarmic::A64::UserConfig{&env}};
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env.code_mem.emplace_back(0xd53be021); // MRS X1, CNTPCT_EL0
env.code_mem.emplace_back(0xd503201f); // NOP
env.code_mem.emplace_back(0xd503201f); // NOP
env.code_mem.emplace_back(0xd503201f); // NOP
env.code_mem.emplace_back(0xd503201f); // NOP
env.code_mem.emplace_back(0xd503201f); // NOP
env.code_mem.emplace_back(0xd503201f); // NOP
env.code_mem.emplace_back(0xd53be022); // MRS X2, CNTPCT_EL0
env.code_mem.emplace_back(0xcb010043); // SUB X3, X2, X1
env.code_mem.emplace_back(0x14000000); // B .
env.ticks_left = 10;
jit.Run();
REQUIRE(jit.GetRegister(3) == 7);
}
TEST_CASE("A64: FNMSUB 1", "[a64]") {
A64TestEnv env;
Dynarmic::A64::Jit jit{Dynarmic::A64::UserConfig{&env}};
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env.code_mem.emplace_back(0x1f618a9c); // FNMSUB D28, D20, D1, D2
env.code_mem.emplace_back(0x14000000); // B .
jit.SetPC(0);
jit.SetVector(20, {0xe73a51346164bd6c, 0x8080000000002b94});
jit.SetVector(1, {0xbf8000007fffffff, 0xffffffff00002b94});
jit.SetVector(2, {0x0000000000000000, 0xc79b271e3f000000});
env.ticks_left = 2;
jit.Run();
REQUIRE(jit.GetVector(28) == Vector{0x66ca513533ee6076, 0x0000000000000000});
}
TEST_CASE("A64: FNMSUB 2", "[a64]") {
A64TestEnv env;
Dynarmic::A64::Jit jit{Dynarmic::A64::UserConfig{&env}};
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env.code_mem.emplace_back(0x1f2ab88e); // FNMSUB S14, S4, S10, S14
env.code_mem.emplace_back(0x14000000); // B .
jit.SetPC(0);
jit.SetVector(4, {0x3c9623b101398437, 0x7ff0abcd0ba98d27});
jit.SetVector(10, {0xffbfffff3eaaaaab, 0x3f0000003f8147ae});
jit.SetVector(14, {0x80000000007fffff, 0xe73a513400000000});
jit.SetFpcr(0x00400000);
env.ticks_left = 2;
jit.Run();
REQUIRE(jit.GetVector(14) == Vector{0x0000000080045284, 0x0000000000000000});
}
TEST_CASE("A64: FMADD", "[a64]") {
A64TestEnv env;
Dynarmic::A64::Jit jit{Dynarmic::A64::UserConfig{&env}};
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env.code_mem.emplace_back(0x1f5e0e4a); // FMADD D10, D18, D30, D3
env.code_mem.emplace_back(0x14000000); // B .
jit.SetPC(0);
jit.SetVector(18, {0x8000007600800000, 0x7ff812347f800000});
jit.SetVector(30, {0xff984a3700000000, 0xe73a513480800000});
jit.SetVector(3, {0x3f000000ff7fffff, 0x8139843780000000});
jit.SetFpcr(0x00400000);
env.ticks_left = 2;
jit.Run();
REQUIRE(jit.GetVector(10) == Vector{0x3f059921bf0dbfff, 0x0000000000000000});
}
TEST_CASE("A64: FMLA.4S (denormal)", "[a64]") {
A64TestEnv env;
Dynarmic::A64::Jit jit{Dynarmic::A64::UserConfig{&env}};
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env.code_mem.emplace_back(0x4e2fcccc); // FMLA.4S V12, V6, V15
env.code_mem.emplace_back(0x14000000); // B .
jit.SetPC(0);
jit.SetVector(12, {0x3c9623b17ff80000, 0xbff0000080000076});
jit.SetVector(6, {0x7ff80000ff800000, 0x09503366c1200000});
jit.SetVector(15, {0x3ff0000080636d24, 0xbf800000e73a5134});
jit.SetFpcr(0x01000000);
env.ticks_left = 2;
jit.Run();
REQUIRE(jit.GetVector(12) == Vector{0x7ff800007fc00000, 0xbff0000068e8e581});
}
TEST_CASE("A64: FMLA.4S (0x80800000)", "[a64]") {
A64TestEnv env;
Dynarmic::A64::Jit jit{Dynarmic::A64::UserConfig{&env}};
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env.code_mem.emplace_back(0x4e38cc2b); // FMLA.4S V11, V1, V24
env.code_mem.emplace_back(0x14000000); // B .
jit.SetPC(0);
jit.SetVector(11, {0xc79b271efff05678, 0xffc0000080800000});
jit.SetVector(1, {0x00636d2400800000, 0x0966320bb26bddee});
jit.SetVector(24, {0x460e8c84fff00000, 0x8ba98d2780800002});
jit.SetFpcr(0x03000000);
env.ticks_left = 2;
jit.Run();
REQUIRE(jit.GetVector(11) == Vector{0xc79b271e7fc00000, 0x7fc0000080000000});
}
// x64 has different rounding behaviour to AArch64.
// AArch64 performs rounding after flushing-to-zero.
// x64 performs rounding before flushing-to-zero.
TEST_CASE("A64: FMADD (0x80800000)", "[a64]") {
A64TestEnv env;
Dynarmic::A64::Jit jit{Dynarmic::A64::UserConfig{&env}};
env.code_mem.emplace_back(0x1f0f7319); // FMADD S25, S24, S15, S28
env.code_mem.emplace_back(0x14000000); // B .
jit.SetPC(0);
jit.SetVector(24, {0x00800000, 0});
jit.SetVector(15, {0x0ba98d27, 0});
jit.SetVector(28, {0x80800000, 0});
jit.SetFpcr(0x01000000);
env.ticks_left = 2;
jit.Run();
REQUIRE(jit.GetVector(25) == Vector{0x80000000, 0});
}