mirror of
https://github.com/dolphin-emu/dolphin
synced 2024-09-19 12:04:57 -04:00
141 lines
4.3 KiB
C++
141 lines
4.3 KiB
C++
// Copyright 2014 Dolphin Emulator Project
|
|
// SPDX-License-Identifier: GPL-2.0-or-later
|
|
|
|
#include <gtest/gtest.h>
|
|
|
|
#include <memory>
|
|
#include <unordered_set>
|
|
|
|
#include "Common/CommonTypes.h"
|
|
#include "Core/HW/GPFifo.h"
|
|
#include "Core/HW/MMIO.h"
|
|
#include "Core/System.h"
|
|
|
|
// Tests that the UniqueID function returns a "unique enough" identifier
|
|
// number: that is, it is unique in the address ranges we care about.
|
|
TEST(UniqueID, UniqueEnough)
|
|
{
|
|
std::unordered_set<u32> ids;
|
|
for (u32 i = 0x0C000000; i < 0x0C010000; ++i)
|
|
{
|
|
u32 unique_id = MMIO::UniqueID(i);
|
|
EXPECT_FALSE(ids.contains(unique_id));
|
|
ids.insert(unique_id);
|
|
}
|
|
for (u32 i = 0x0D000000; i < 0x0D010000; ++i)
|
|
{
|
|
u32 unique_id = MMIO::UniqueID(i);
|
|
EXPECT_FALSE(ids.contains(unique_id));
|
|
ids.insert(unique_id);
|
|
}
|
|
}
|
|
|
|
TEST(IsMMIOAddress, SpecialAddresses)
|
|
{
|
|
constexpr bool is_wii = true;
|
|
|
|
// WG Pipe address, should not be handled by MMIO.
|
|
EXPECT_FALSE(MMIO::IsMMIOAddress(GPFifo::GATHER_PIPE_PHYSICAL_ADDRESS, is_wii));
|
|
|
|
// Locked L1 cache allocation.
|
|
EXPECT_FALSE(MMIO::IsMMIOAddress(0xE0000000, is_wii));
|
|
|
|
// Uncached mirror of MEM1, shouldn't be handled by MMIO
|
|
EXPECT_FALSE(MMIO::IsMMIOAddress(0xC0000000, is_wii));
|
|
|
|
// Effective address of an MMIO register; MMIO only deals with physical
|
|
// addresses.
|
|
EXPECT_FALSE(MMIO::IsMMIOAddress(0xCC0000E0, is_wii));
|
|
|
|
// And let's check some valid addresses too
|
|
EXPECT_TRUE(MMIO::IsMMIOAddress(0x0C0000E0, is_wii)); // GameCube MMIOs
|
|
EXPECT_TRUE(MMIO::IsMMIOAddress(0x0D00008C, is_wii)); // Wii MMIOs
|
|
EXPECT_TRUE(MMIO::IsMMIOAddress(0x0D800F10, is_wii)); // Mirror of Wii MMIOs
|
|
}
|
|
|
|
class MappingTest : public testing::Test
|
|
{
|
|
protected:
|
|
virtual void SetUp() override
|
|
{
|
|
m_system = &Core::System::GetInstance();
|
|
m_mapping = std::make_unique<MMIO::Mapping>();
|
|
}
|
|
virtual void TearDown() override
|
|
{
|
|
m_system = nullptr;
|
|
m_mapping.reset();
|
|
}
|
|
Core::System* m_system = nullptr;
|
|
std::unique_ptr<MMIO::Mapping> m_mapping;
|
|
};
|
|
|
|
TEST_F(MappingTest, ReadConstant)
|
|
{
|
|
m_mapping->Register(0x0C001234, MMIO::Constant<u8>(0x42), MMIO::Nop<u8>());
|
|
m_mapping->Register(0x0C001234, MMIO::Constant<u16>(0x1234), MMIO::Nop<u16>());
|
|
m_mapping->Register(0x0C001234, MMIO::Constant<u32>(0xdeadbeef), MMIO::Nop<u32>());
|
|
|
|
u8 val8 = m_mapping->Read<u8>(*m_system, 0x0C001234);
|
|
u16 val16 = m_mapping->Read<u16>(*m_system, 0x0C001234);
|
|
u32 val32 = m_mapping->Read<u32>(*m_system, 0x0C001234);
|
|
|
|
EXPECT_EQ(0x42, val8);
|
|
EXPECT_EQ(0x1234, val16);
|
|
EXPECT_EQ(0xdeadbeef, val32);
|
|
}
|
|
|
|
TEST_F(MappingTest, ReadWriteDirect)
|
|
{
|
|
u8 target_8 = 0;
|
|
u16 target_16 = 0;
|
|
u32 target_32 = 0;
|
|
|
|
m_mapping->Register(0x0C001234, MMIO::DirectRead<u8>(&target_8),
|
|
MMIO::DirectWrite<u8>(&target_8));
|
|
m_mapping->Register(0x0C001234, MMIO::DirectRead<u16>(&target_16),
|
|
MMIO::DirectWrite<u16>(&target_16));
|
|
m_mapping->Register(0x0C001234, MMIO::DirectRead<u32>(&target_32),
|
|
MMIO::DirectWrite<u32>(&target_32));
|
|
|
|
for (u32 i = 0; i < 100; ++i)
|
|
{
|
|
u8 val8 = m_mapping->Read<u8>(*m_system, 0x0C001234);
|
|
EXPECT_EQ(i, val8);
|
|
u16 val16 = m_mapping->Read<u16>(*m_system, 0x0C001234);
|
|
EXPECT_EQ(i, val16);
|
|
u32 val32 = m_mapping->Read<u32>(*m_system, 0x0C001234);
|
|
EXPECT_EQ(i, val32);
|
|
|
|
val8 += 1;
|
|
m_mapping->Write(*m_system, 0x0C001234, val8);
|
|
val16 += 1;
|
|
m_mapping->Write(*m_system, 0x0C001234, val16);
|
|
val32 += 1;
|
|
m_mapping->Write(*m_system, 0x0C001234, val32);
|
|
}
|
|
}
|
|
|
|
TEST_F(MappingTest, ReadWriteComplex)
|
|
{
|
|
bool read_called = false, write_called = false;
|
|
|
|
m_mapping->Register(0x0C001234, MMIO::ComplexRead<u8>([&read_called](Core::System&, u32 addr) {
|
|
EXPECT_EQ(0x0C001234u, addr);
|
|
read_called = true;
|
|
return 0x12;
|
|
}),
|
|
MMIO::ComplexWrite<u8>([&write_called](Core::System&, u32 addr, u8 val) {
|
|
EXPECT_EQ(0x0C001234u, addr);
|
|
EXPECT_EQ(0x34, val);
|
|
write_called = true;
|
|
}));
|
|
|
|
u8 val = m_mapping->Read<u8>(*m_system, 0x0C001234);
|
|
EXPECT_EQ(0x12, val);
|
|
m_mapping->Write(*m_system, 0x0C001234, (u8)0x34);
|
|
|
|
EXPECT_TRUE(read_called);
|
|
EXPECT_TRUE(write_called);
|
|
}
|