mirror of
https://github.com/Atmosphere-NX/Atmosphere.git
synced 2024-11-18 17:11:23 +00:00
95 lines
3.9 KiB
C++
95 lines
3.9 KiB
C++
/*
|
|
* Copyright (c) 2018-2020 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 {
|
|
|
|
namespace {
|
|
|
|
constexpr u64 InitialProcessIdMin = 1;
|
|
constexpr u64 InitialProcessIdMax = 0x50;
|
|
std::atomic<u64> g_initial_process_id = InitialProcessIdMin;
|
|
|
|
}
|
|
|
|
void KProcess::Finalize() {
|
|
MESOSPHERE_TODO_IMPLEMENT();
|
|
}
|
|
|
|
Result KProcess::Initialize(const ams::svc::CreateProcessParameter ¶ms) {
|
|
MESOSPHERE_TODO_IMPLEMENT();
|
|
}
|
|
|
|
Result KProcess::Initialize(const ams::svc::CreateProcessParameter ¶ms, const KPageGroup &pg, const u32 *caps, s32 num_caps, KResourceLimit *res_limit, KMemoryManager::Pool pool) {
|
|
MESOSPHERE_ASSERT_THIS();
|
|
MESOSPHERE_ASSERT(res_limit != nullptr);
|
|
MESOSPHERE_ABORT_UNLESS((params.code_num_pages * PageSize) / PageSize == params.code_num_pages);
|
|
|
|
/* Set members. */
|
|
this->memory_pool = pool;
|
|
this->resource_limit = resource_limit;
|
|
this->system_resource_address = Null<KVirtualAddress>;
|
|
this->system_resource_num_pages = 0;
|
|
|
|
/* Setup page table. */
|
|
/* NOTE: Nintendo passes process ID despite not having set it yet. */
|
|
/* This goes completely unused, but even so... */
|
|
{
|
|
const auto as_type = static_cast<ams::svc::CreateProcessFlag>(params.flags & ams::svc::CreateProcessFlag_AddressSpaceMask);
|
|
const bool enable_aslr = (params.flags & ams::svc::CreateProcessFlag_EnableAslr);
|
|
const bool is_app = (params.flags & ams::svc::CreateProcessFlag_IsApplication);
|
|
auto *mem_block_manager = std::addressof(is_app ? Kernel::GetApplicationMemoryBlockManager() : Kernel::GetSystemMemoryBlockManager());
|
|
auto *block_info_manager = std::addressof(Kernel::GetBlockInfoManager());
|
|
auto *pt_manager = std::addressof(Kernel::GetPageTableManager());
|
|
R_TRY(this->page_table.Initialize(this->process_id, as_type, enable_aslr, !enable_aslr, pool, params.code_address, params.code_num_pages * PageSize, mem_block_manager, block_info_manager, pt_manager));
|
|
}
|
|
auto pt_guard = SCOPE_GUARD { this->page_table.Finalize(); };
|
|
|
|
/* Ensure we can insert the code region. */
|
|
R_UNLESS(this->page_table.CanContain(params.code_address, params.code_num_pages * PageSize, KMemoryState_Code), svc::ResultInvalidMemoryRegion());
|
|
|
|
/* Map the code region. */
|
|
R_TRY(this->page_table.MapPageGroup(params.code_address, pg, KMemoryState_Code, KMemoryPermission_KernelRead));
|
|
|
|
/* Initialize capabilities. */
|
|
R_TRY(this->capabilities.Initialize(caps, num_caps, std::addressof(this->page_table)));
|
|
|
|
/* Initialize the process id. */
|
|
this->process_id = g_initial_process_id++;
|
|
MESOSPHERE_ABORT_UNLESS(InitialProcessIdMin <= this->process_id);
|
|
MESOSPHERE_ABORT_UNLESS(this->process_id <= InitialProcessIdMax);
|
|
|
|
/* Initialize the rest of the process. */
|
|
R_TRY(this->Initialize(params));
|
|
|
|
/* Open a reference to the resource limit. */
|
|
this->resource_limit->Open();
|
|
|
|
/* We succeeded! */
|
|
pt_guard.Cancel();
|
|
return ResultSuccess();
|
|
}
|
|
|
|
void KProcess::DoWorkerTask() {
|
|
MESOSPHERE_TODO_IMPLEMENT();
|
|
}
|
|
|
|
void KProcess::SetPreemptionState() {
|
|
MESOSPHERE_TODO_IMPLEMENT();
|
|
}
|
|
|
|
}
|