105 lines
3 KiB
C++
105 lines
3 KiB
C++
/* This file is part of the dynarmic project.
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* Copyright (c) 2016 MerryMage
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* This software may be used and distributed according to the terms of the GNU
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* General Public License version 2 or any later version.
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*/
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#include <catch.hpp>
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#include "common/common_types.h"
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#include "interface/interface.h"
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#include "skyeye_interpreter/dyncom/arm_dyncom_interpreter.h"
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#include "skyeye_interpreter/skyeye_common/armstate.h"
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static std::array<u16, 1024> code_mem{};
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static u32 MemoryRead32(u32 vaddr);
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static void InterpreterFallback(u32 pc, Dynarmic::Jit* jit);
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static Dynarmic::UserCallbacks GetUserCallbacks();
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static u32 MemoryRead32(u32 vaddr) {
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if (vaddr < code_mem.size() * sizeof(u16)) {
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size_t index = vaddr / sizeof(u16);
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return code_mem[index] | (code_mem[index+1] << 16);
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}
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return vaddr;
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}
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static void InterpreterFallback(u32 pc, Dynarmic::Jit* jit) {
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ARMul_State interp_state{USER32MODE};
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interp_state.user_callbacks = GetUserCallbacks();
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interp_state.NumInstrsToExecute = 1;
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interp_state.Reg = jit->Regs();
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interp_state.Cpsr = jit->Cpsr();
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interp_state.Reg[15] = pc;
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InterpreterClearCache();
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InterpreterMainLoop(&interp_state);
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jit->Regs() = interp_state.Reg;
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jit->Cpsr() = interp_state.Cpsr;
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}
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static Dynarmic::UserCallbacks GetUserCallbacks() {
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Dynarmic::UserCallbacks user_callbacks{};
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user_callbacks.MemoryRead32 = &MemoryRead32;
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user_callbacks.InterpreterFallback = &InterpreterFallback;
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return user_callbacks;
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}
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TEST_CASE( "thumb: lsls r0, r1, #2", "[thumb]" ) {
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Dynarmic::Jit jit{GetUserCallbacks()};
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code_mem.fill({});
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code_mem[0] = 0x0088; // lsls r0, r1, #2
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code_mem[1] = 0xE7FE; // b +#0
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jit.Regs()[0] = 1;
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jit.Regs()[1] = 2;
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jit.Regs()[15] = 0; // PC = 0
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jit.Cpsr() = 0x00000030; // Thumb, User-mode
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jit.Run(1);
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REQUIRE( jit.Regs()[0] == 8 );
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REQUIRE( jit.Regs()[1] == 2 );
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REQUIRE( jit.Regs()[15] == 2 );
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REQUIRE( jit.Cpsr() == 0x00000030 );
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}
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TEST_CASE( "thumb: lsls r0, r1, #31", "[thumb]" ) {
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Dynarmic::Jit jit{GetUserCallbacks()};
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code_mem.fill({});
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code_mem[0] = 0x07C8; // lsls r0, r1, #31
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code_mem[1] = 0xE7FE; // b +#0
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jit.Regs()[0] = 1;
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jit.Regs()[1] = 0xFFFFFFFF;
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jit.Regs()[15] = 0; // PC = 0
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jit.Cpsr() = 0x00000030; // Thumb, User-mode
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jit.Run(1);
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REQUIRE( jit.Regs()[0] == 0x80000000 );
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REQUIRE( jit.Regs()[1] == 0xffffffff );
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REQUIRE( jit.Regs()[15] == 2 );
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REQUIRE( jit.Cpsr() == 0xA0000030 ); // N, C flags, Thumb, User-mode
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}
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TEST_CASE( "thumb: revsh r4, r3", "[thumb]" ) {
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Dynarmic::Jit jit{GetUserCallbacks()};
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code_mem.fill({});
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code_mem[0] = 0xBADC; // revsh r4, r3
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code_mem[1] = 0xE7FE; // b +#0
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jit.Regs()[3] = 0x12345678;
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jit.Regs()[15] = 0; // PC = 0
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jit.Cpsr() = 0x00000030; // Thumb, User-mode
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jit.Run(1);
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REQUIRE( jit.Regs()[3] == 0x12345678 );
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REQUIRE( jit.Regs()[4] == 0x00007856 );
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REQUIRE( jit.Regs()[15] == 2 );
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REQUIRE( jit.Cpsr() == 0x00000030 ); // Thumb, User-mode
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}
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