RPCSX/rpcsx
1
0
Fork 0
mirror of https://github.com/RPCSX/rpcsx.git synced 2026-04-05 14:37:08 +00:00
Code Issues Projects Releases Packages Wiki Activity

Patches/PPU: Implement HLE/LLE/With-TOC function call patches

Browse source 
Example patches:
  [ jumpf, 0x12340, "cellGcmSys:cellGcmSetFlip"] // Places a call to cellGcmSetFlip at 0x12340
  [ jumpf, 0x12340, "cellGcmSys:0xDC09357E"] // Same, using FNID
  [ jumpf, 0x12340, 0x2345678 ] # Function OPD based call eading OPD at 0x2345678
This commit is contained in:
Eladash 2021-09-06 10:33:44 +03:00 • committed by Ivan
parent b217e8384c
commit 65c9cd99cd
9 changed files with 246 additions and 31 deletions
Download patch file Download diff file Expand all files Collapse all files

30
rpcs3/Emu/Cell/PPUModule.cpp
View file

@ -37,21 +37,23 @@ extern void sys_initialize_tls(ppu_thread&, u64, u32, u32, u32);
// HLE function name cache
std::vector<std::string> g_ppu_function_names;
extern u32 ppu_generate_id(const char* name)
extern u32 ppu_generate_id(std::string_view name)
{
// Symbol name suffix
const auto suffix = "\x67\x59\x65\x99\x04\x25\x04\x90\x56\x64\x27\x49\x94\x89\x74\x1A";
constexpr auto suffix = "\x67\x59\x65\x99\x04\x25\x04\x90\x56\x64\x27\x49\x94\x89\x74\x1A"sv;
sha1_context ctx;
u8 output[20];
// Compute SHA-1 hash
sha1_starts(&ctx);
sha1_update(&ctx, reinterpret_cast<const u8*>(name), std::strlen(name));
sha1_update(&ctx, reinterpret_cast<const u8*>(suffix), std::strlen(suffix));
sha1_update(&ctx, reinterpret_cast<const u8*>(name.data()), name.size());
sha1_update(&ctx, reinterpret_cast<const u8*>(suffix.data()), suffix.size());
sha1_finish(&ctx, output);
return reinterpret_cast<le_t<u32>&>(output[0]);
le_t<u32> result = 0;
std::memcpy(&result, output, sizeof(result));
return result;
}
ppu_static_module::ppu_static_module(const char* name)
@ -331,14 +333,11 @@ static void ppu_initialize_modules(ppu_linkage_info* link)
g_ppu_function_names[function.second.index] = fmt::format("%s:%s", function.second.name, _module->name);
}
if ((function.second.flags & MFF_HIDDEN) == 0)
{
auto& flink = linkage.functions[function.first];
auto& flink = linkage.functions[function.first];
flink.static_func = &function.second;
flink.export_addr = g_fxo->get<ppu_function_manager>().func_addr(function.second.index);
function.second.export_addr = &flink.export_addr;
}
flink.static_func = &function.second;
flink.export_addr = g_fxo->get<ppu_function_manager>().func_addr(function.second.index);
function.second.export_addr = &flink.export_addr;
}
for (auto& variable : _module->variables)
@ -528,7 +527,12 @@ struct ppu_prx_module_info
be_t<u32> unk5;
};
bool ppu_form_branch_to_code(u32 entry, u32 target, bool link = false);
bool ppu_form_branch_to_code(u32 entry, u32 target);
extern u32 ppu_get_exported_func_addr(u32 fnid, const std::string& module_name)
{
return g_fxo->get<ppu_linkage_info>().modules[module_name].functions[fnid].export_addr;
}
// Load and register exports; return special exports found (nameless module)
static auto ppu_load_exports(ppu_linkage_info* link, u32 exports_start, u32 exports_end)