mirror of
https://github.com/Atmosphere-NX/Atmosphere
synced 2024-11-09 22:56:35 +00:00
96f95b9f95
* result: try out some experimental shenanigans * result: sketch out some more shenanigans * result: see what it looks like to convert kernel to use result conds instead of guards * make rest of kernel use experimental new macro-ing
97 lines
4.4 KiB
C++
97 lines
4.4 KiB
C++
/*
|
|
* Copyright (c) Atmosphère-NX
|
|
*
|
|
* This program is free software; you can redistribute it and/or modify it
|
|
* under the terms and conditions of the GNU General Public License,
|
|
* version 2, as published by the Free Software Foundation.
|
|
*
|
|
* This program is distributed in the hope it will be useful, but WITHOUT
|
|
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
|
|
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
|
|
* more details.
|
|
*
|
|
* You should have received a copy of the GNU General Public License
|
|
* along with this program. If not, see <http://www.gnu.org/licenses/>.
|
|
*/
|
|
#include <mesosphere.hpp>
|
|
|
|
namespace ams::kern::svc {
|
|
|
|
/* ============================= Common ============================= */
|
|
|
|
namespace {
|
|
|
|
Result QueryProcessMemory(ams::svc::MemoryInfo *out_memory_info, ams::svc::PageInfo *out_page_info, ams::svc::Handle process_handle, uintptr_t address) {
|
|
/* Get the process. */
|
|
KScopedAutoObject process = GetCurrentProcess().GetHandleTable().GetObject<KProcess>(process_handle);
|
|
R_UNLESS(process.IsNotNull(), svc::ResultInvalidHandle());
|
|
|
|
/* Query the mapping's info. */
|
|
KMemoryInfo info;
|
|
R_TRY(process->GetPageTable().QueryInfo(std::addressof(info), out_page_info, address));
|
|
|
|
/* Write output. */
|
|
*out_memory_info = info.GetSvcMemoryInfo();
|
|
R_SUCCEED();
|
|
}
|
|
|
|
template<typename T>
|
|
Result QueryProcessMemory(KUserPointer<T *> out_memory_info, ams::svc::PageInfo *out_page_info, ams::svc::Handle process_handle, uint64_t address) {
|
|
/* Get an ams::svc::MemoryInfo for the region. */
|
|
ams::svc::MemoryInfo info = {};
|
|
R_TRY(QueryProcessMemory(std::addressof(info), out_page_info, process_handle, address));
|
|
|
|
/* Copy the info to userspace. */
|
|
if constexpr (std::same_as<T, ams::svc::MemoryInfo>) {
|
|
R_TRY(out_memory_info.CopyFrom(std::addressof(info)));
|
|
} else {
|
|
/* Convert the info. */
|
|
T converted_info = {};
|
|
static_assert(std::same_as<decltype(T{}.base_address), decltype(ams::svc::MemoryInfo{}.base_address)>);
|
|
static_assert(std::same_as<decltype(T{}.size), decltype(ams::svc::MemoryInfo{}.size)>);
|
|
|
|
converted_info.base_address = info.base_address;
|
|
converted_info.size = info.size;
|
|
converted_info.state = info.state;
|
|
converted_info.attribute = info.attribute;
|
|
converted_info.permission = info.permission;
|
|
converted_info.ipc_count = info.ipc_count;
|
|
converted_info.device_count = info.device_count;
|
|
|
|
/* Copy it. */
|
|
R_TRY(out_memory_info.CopyFrom(std::addressof(converted_info)));
|
|
}
|
|
|
|
R_SUCCEED();
|
|
}
|
|
|
|
|
|
template<typename T>
|
|
Result QueryMemory(KUserPointer<T *> out_memory_info, ams::svc::PageInfo *out_page_info, uintptr_t address) {
|
|
/* Query memory is just QueryProcessMemory on the current process. */
|
|
R_RETURN(QueryProcessMemory(out_memory_info, out_page_info, ams::svc::PseudoHandle::CurrentProcess, address));
|
|
}
|
|
|
|
}
|
|
|
|
/* ============================= 64 ABI ============================= */
|
|
|
|
Result QueryMemory64(KUserPointer<ams::svc::lp64::MemoryInfo *> out_memory_info, ams::svc::PageInfo *out_page_info, ams::svc::Address address) {
|
|
R_RETURN(QueryMemory(out_memory_info, out_page_info, address));
|
|
}
|
|
|
|
Result QueryProcessMemory64(KUserPointer<ams::svc::lp64::MemoryInfo *> out_memory_info, ams::svc::PageInfo *out_page_info, ams::svc::Handle process_handle, uint64_t address) {
|
|
R_RETURN(QueryProcessMemory(out_memory_info, out_page_info, process_handle, address));
|
|
}
|
|
|
|
/* ============================= 64From32 ABI ============================= */
|
|
|
|
Result QueryMemory64From32(KUserPointer<ams::svc::ilp32::MemoryInfo *> out_memory_info, ams::svc::PageInfo *out_page_info, ams::svc::Address address) {
|
|
R_RETURN(QueryMemory(out_memory_info, out_page_info, address));
|
|
}
|
|
|
|
Result QueryProcessMemory64From32(KUserPointer<ams::svc::ilp32::MemoryInfo *> out_memory_info, ams::svc::PageInfo *out_page_info, ams::svc::Handle process_handle, uint64_t address) {
|
|
R_RETURN(QueryProcessMemory(out_memory_info, out_page_info, process_handle, address));
|
|
}
|
|
|
|
}
|