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https://github.com/RPCS3/rpcs3.git
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120 lines
2.7 KiB
C++
120 lines
2.7 KiB
C++
#include "stdafx.h"
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#include "Emu/Cell/ErrorCodes.h"
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#include "Emu/Memory/vm_ptr.h"
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#include "Emu/VFS.h"
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#include "Emu/IdManager.h"
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#include "Crypto/unself.h"
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#include "Crypto/unedat.h"
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#include "Loader/ELF.h"
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#include "sys_process.h"
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#include "sys_overlay.h"
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#include "sys_fs.h"
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extern std::shared_ptr<lv2_overlay> ppu_load_overlay(const ppu_exec_object&, const std::string& path);
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extern void ppu_initialize(const ppu_module&);
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LOG_CHANNEL(sys_overlay);
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static error_code overlay_load_module(vm::ptr<u32> ovlmid, const std::string& vpath, u64 flags, vm::ptr<u32> entry, fs::file src = {})
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{
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if (!src)
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{
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auto [fs_error, ppath, path, lv2_file, type] = lv2_file::open(vpath, 0, 0);
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if (fs_error)
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{
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return {fs_error, vpath};
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}
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src = std::move(lv2_file);
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}
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const ppu_exec_object obj = decrypt_self(std::move(src), g_fxo->get<loaded_npdrm_keys>()->devKlic.load()._bytes);
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if (obj != elf_error::ok)
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{
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return {CELL_ENOEXEC, obj.operator elf_error()};
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}
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const auto ovlm = ppu_load_overlay(obj, vfs::get(vpath));
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ppu_initialize(*ovlm);
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sys_overlay.success(u8"Loaded overlay: “%s” (id=0x%x)", vpath, idm::last_id());
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*ovlmid = idm::last_id();
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*entry = ovlm->entry;
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return CELL_OK;
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}
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error_code sys_overlay_load_module(vm::ptr<u32> ovlmid, vm::cptr<char> path, u64 flags, vm::ptr<u32> entry)
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{
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sys_overlay.warning("sys_overlay_load_module(ovlmid=*0x%x, path=%s, flags=0x%x, entry=*0x%x)", ovlmid, path, flags, entry);
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if (!g_ps3_process_info.ppc_seg)
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{
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// Process not permitted
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return CELL_ENOSYS;
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}
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if (!path)
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{
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return CELL_EFAULT;
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}
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return overlay_load_module(ovlmid, path.get_ptr(), flags, entry);
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}
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error_code sys_overlay_load_module_by_fd(vm::ptr<u32> ovlmid, u32 fd, u64 offset, u64 flags, vm::ptr<u32> entry)
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{
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sys_overlay.warning("sys_overlay_load_module_by_fd(ovlmid=*0x%x, fd=%d, offset=0x%llx, flags=0x%x, entry=*0x%x)", ovlmid, fd, offset, flags, entry);
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if (!g_ps3_process_info.ppc_seg)
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{
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// Process not permitted
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return CELL_ENOSYS;
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}
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if (static_cast<s64>(offset) < 0)
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{
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return CELL_EINVAL;
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}
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const auto file = idm::get<lv2_fs_object, lv2_file>(fd);
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if (!file)
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{
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return CELL_EBADF;
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}
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return overlay_load_module(ovlmid, fmt::format("%s_x%x", file->name.data(), offset), flags, entry, lv2_file::make_view(file, offset));
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}
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error_code sys_overlay_unload_module(u32 ovlmid)
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{
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sys_overlay.warning("sys_overlay_unload_module(ovlmid=0x%x)", ovlmid);
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if (!g_ps3_process_info.ppc_seg)
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{
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// Process not permitted
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return CELL_ENOSYS;
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}
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const auto _main = idm::withdraw<lv2_obj, lv2_overlay>(ovlmid);
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if (!_main)
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{
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return CELL_ESRCH;
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}
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for (auto& seg : _main->segs)
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{
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vm::dealloc(seg.addr);
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}
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return CELL_OK;
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}
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