// Copyright 2016 Citra Emulator Project
// Licensed under GPLv2 or any later version
// Refer to the license.txt file included.
#include <algorithm>
#include "core/core.h"
#include "core/hle/kernel/process.h"
#include "core/memory.h"
#include "core/memory_setup.h"
#include "tests/core/arm/arm_test_common.h"
namespace ArmTests {
TestEnvironment::TestEnvironment(bool mutable_memory_)
: mutable_memory(mutable_memory_), test_memory(std::make_shared<TestMemory>(this)) {
auto process = Kernel::Process::Create(kernel, "");
kernel.MakeCurrentProcess(process.get());
page_table = &Core::CurrentProcess()->VMManager().page_table;
std::fill(page_table->pointers.begin(), page_table->pointers.end(), nullptr);
page_table->special_regions.clear();
std::fill(page_table->attributes.begin(), page_table->attributes.end(),
Memory::PageType::Unmapped);
Memory::MapIoRegion(*page_table, 0x00000000, 0x80000000, test_memory);
Memory::MapIoRegion(*page_table, 0x80000000, 0x80000000, test_memory);
Memory::SetCurrentPageTable(page_table);
}
TestEnvironment::~TestEnvironment() {
Memory::UnmapRegion(*page_table, 0x80000000, 0x80000000);
Memory::UnmapRegion(*page_table, 0x00000000, 0x80000000);
}
void TestEnvironment::SetMemory64(VAddr vaddr, u64 value) {
SetMemory32(vaddr + 0, static_cast<u32>(value));
SetMemory32(vaddr + 4, static_cast<u32>(value >> 32));
}
void TestEnvironment::SetMemory32(VAddr vaddr, u32 value) {
SetMemory16(vaddr + 0, static_cast<u16>(value));
SetMemory16(vaddr + 2, static_cast<u16>(value >> 16));
}
void TestEnvironment::SetMemory16(VAddr vaddr, u16 value) {
SetMemory8(vaddr + 0, static_cast<u8>(value));
SetMemory8(vaddr + 1, static_cast<u8>(value >> 8));
}
void TestEnvironment::SetMemory8(VAddr vaddr, u8 value) {
test_memory->data[vaddr] = value;
}
std::vector<WriteRecord> TestEnvironment::GetWriteRecords() const {
return write_records;
}
void TestEnvironment::ClearWriteRecords() {
write_records.clear();
}
TestEnvironment::TestMemory::~TestMemory() {}
std::optional<bool> TestEnvironment::TestMemory::IsValidAddress(VAddr addr) {
return true;
}
std::optional<u8> TestEnvironment::TestMemory::Read8(VAddr addr) {
const auto iter = data.find(addr);
if (iter == data.end()) {
// Some arbitrary data
return static_cast<u8>(addr);
}
return iter->second;
}
std::optional<u16> TestEnvironment::TestMemory::Read16(VAddr addr) {
return *Read8(addr) | static_cast<u16>(*Read8(addr + 1)) << 8;
}
std::optional<u32> TestEnvironment::TestMemory::Read32(VAddr addr) {
return *Read16(addr) | static_cast<u32>(*Read16(addr + 2)) << 16;
}
std::optional<u64> TestEnvironment::TestMemory::Read64(VAddr addr) {
return *Read32(addr) | static_cast<u64>(*Read32(addr + 4)) << 32;
}
bool TestEnvironment::TestMemory::ReadBlock(VAddr src_addr, void* dest_buffer, std::size_t size) {
VAddr addr = src_addr;
u8* data = static_cast<u8*>(dest_buffer);
for (std::size_t i = 0; i < size; i++, addr++, data++) {
*data = *Read8(addr);
}
return true;
}
bool TestEnvironment::TestMemory::Write8(VAddr addr, u8 data) {
env->write_records.emplace_back(8, addr, data);
if (env->mutable_memory)
env->SetMemory8(addr, data);
return true;
}
bool TestEnvironment::TestMemory::Write16(VAddr addr, u16 data) {
env->write_records.emplace_back(16, addr, data);
if (env->mutable_memory)
env->SetMemory16(addr, data);
return true;
}
bool TestEnvironment::TestMemory::Write32(VAddr addr, u32 data) {
env->write_records.emplace_back(32, addr, data);
if (env->mutable_memory)
env->SetMemory32(addr, data);
return true;
}
bool TestEnvironment::TestMemory::Write64(VAddr addr, u64 data) {
env->write_records.emplace_back(64, addr, data);
if (env->mutable_memory)
env->SetMemory64(addr, data);
return true;
}
bool TestEnvironment::TestMemory::WriteBlock(VAddr dest_addr, const void* src_buffer,
std::size_t size) {
VAddr addr = dest_addr;
const u8* data = static_cast<const u8*>(src_buffer);
for (std::size_t i = 0; i < size; i++, addr++, data++) {
env->write_records.emplace_back(8, addr, *data);
if (env->mutable_memory)
env->SetMemory8(addr, *data);
}
return true;
}
} // namespace ArmTests