yuzu/src/audio_core/memory_pool.cpp

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// Copyright 2020 yuzu Emulator Project
// Licensed under GPLv2 or any later version
// Refer to the license.txt file included.
#include "audio_core/memory_pool.h"
#include "common/logging/log.h"
namespace AudioCore {
ServerMemoryPoolInfo::ServerMemoryPoolInfo() = default;
ServerMemoryPoolInfo::~ServerMemoryPoolInfo() = default;
bool ServerMemoryPoolInfo::Update(const ServerMemoryPoolInfo::InParams& in_params,
ServerMemoryPoolInfo::OutParams& out_params) {
// Our state does not need to be changed
if (in_params.state != ServerMemoryPoolInfo::State::RequestAttach &&
in_params.state != ServerMemoryPoolInfo::State::RequestDetach) {
return true;
}
// Address or size is null
if (in_params.address == 0 || in_params.size == 0) {
LOG_ERROR(Audio, "Memory pool address or size is zero! address={:X}, size={:X}",
in_params.address, in_params.size);
return false;
}
// Address or size is not aligned
if ((in_params.address % 0x1000) != 0 || (in_params.size % 0x1000) != 0) {
LOG_ERROR(Audio, "Memory pool address or size is not aligned! address={:X}, size={:X}",
in_params.address, in_params.size);
return false;
}
if (in_params.state == ServerMemoryPoolInfo::State::RequestAttach) {
cpu_address = in_params.address;
size = in_params.size;
used = true;
out_params.state = ServerMemoryPoolInfo::State::Attached;
} else {
// Unexpected address
if (cpu_address != in_params.address) {
LOG_ERROR(Audio, "Memory pool address differs! Expecting {:X} but address is {:X}",
cpu_address, in_params.address);
return false;
}
if (size != in_params.size) {
LOG_ERROR(Audio, "Memory pool size differs! Expecting {:X} but size is {:X}", size,
in_params.size);
return false;
}
cpu_address = 0;
size = 0;
used = false;
out_params.state = ServerMemoryPoolInfo::State::Detached;
}
return true;
}
} // namespace AudioCore