From 92eb091ddb9dfd96e59a75937e185079a63626e3 Mon Sep 17 00:00:00 2001 From: Liam Date: Tue, 4 Oct 2022 20:15:40 -0400 Subject: kernel/svc: Split implementations into separate files --- src/core/hle/kernel/svc/svc_query_memory.cpp | 55 ++++++++++++++++++++++++++++ 1 file changed, 55 insertions(+) create mode 100644 src/core/hle/kernel/svc/svc_query_memory.cpp (limited to 'src/core/hle/kernel/svc/svc_query_memory.cpp') diff --git a/src/core/hle/kernel/svc/svc_query_memory.cpp b/src/core/hle/kernel/svc/svc_query_memory.cpp new file mode 100644 index 000000000..aac3b2eca --- /dev/null +++ b/src/core/hle/kernel/svc/svc_query_memory.cpp @@ -0,0 +1,55 @@ +// SPDX-FileCopyrightText: Copyright 2023 yuzu Emulator Project +// SPDX-License-Identifier: GPL-2.0-or-later + +#include "core/core.h" +#include "core/hle/kernel/k_process.h" +#include "core/hle/kernel/svc.h" + +namespace Kernel::Svc { + +Result QueryMemory(Core::System& system, VAddr memory_info_address, VAddr page_info_address, + VAddr query_address) { + LOG_TRACE(Kernel_SVC, + "called, memory_info_address=0x{:016X}, page_info_address=0x{:016X}, " + "query_address=0x{:016X}", + memory_info_address, page_info_address, query_address); + + return QueryProcessMemory(system, memory_info_address, page_info_address, CurrentProcess, + query_address); +} + +Result QueryMemory32(Core::System& system, u32 memory_info_address, u32 page_info_address, + u32 query_address) { + return QueryMemory(system, memory_info_address, page_info_address, query_address); +} + +Result QueryProcessMemory(Core::System& system, VAddr memory_info_address, VAddr page_info_address, + Handle process_handle, VAddr address) { + LOG_TRACE(Kernel_SVC, "called process=0x{:08X} address={:X}", process_handle, address); + const auto& handle_table = system.Kernel().CurrentProcess()->GetHandleTable(); + KScopedAutoObject process = handle_table.GetObject(process_handle); + if (process.IsNull()) { + LOG_ERROR(Kernel_SVC, "Process handle does not exist, process_handle=0x{:08X}", + process_handle); + return ResultInvalidHandle; + } + + auto& memory{system.Memory()}; + const auto memory_info{process->PageTable().QueryInfo(address).GetSvcMemoryInfo()}; + + memory.Write64(memory_info_address + 0x00, memory_info.base_address); + memory.Write64(memory_info_address + 0x08, memory_info.size); + memory.Write32(memory_info_address + 0x10, static_cast(memory_info.state) & 0xff); + memory.Write32(memory_info_address + 0x14, static_cast(memory_info.attribute)); + memory.Write32(memory_info_address + 0x18, static_cast(memory_info.permission)); + memory.Write32(memory_info_address + 0x1c, memory_info.ipc_count); + memory.Write32(memory_info_address + 0x20, memory_info.device_count); + memory.Write32(memory_info_address + 0x24, 0); + + // Page info appears to be currently unused by the kernel and is always set to zero. + memory.Write32(page_info_address, 0); + + return ResultSuccess; +} + +} // namespace Kernel::Svc -- cgit v1.2.3