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PPU Analyzer: Fixes

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This commit is contained in:
Elad Ashkenazi 2024-06-07 13:03:52 +03:00
parent 5a13c02774
commit 721e55458c
2 changed files with 11 additions and 10 deletions
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19
rpcs3/Emu/Cell/PPUAnalyser.cpp
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@ -930,6 +930,7 @@ bool ppu_module::analyse(u32 lib_toc, u32 entry, const u32 sec_end, const std::b
}
bool used_fallback = false;
if (func_queue.empty() && segs[0].size >= 4u)
{
// Fallback, identify functions using callers (no jumptable detection, tail calls etc)
@ -945,9 +946,9 @@ bool ppu_module::analyse(u32 lib_toc, u32 entry, const u32 sec_end, const std::b
const ppu_opcode_t op{*ptr};
const ppu_itype::type type = s_ppu_itype.decode(op.opcode);
if (type == ppu_itype::B && op.lk && !op.aa)
if ((type == ppu_itype::B || type == ppu_itype::BC) && op.lk && (!op.aa || verify_func(iaddr)))
{
const u32 target = iaddr + op.bt24;
const u32 target = (op.aa ? 0 : iaddr) + (type == ppu_itype::B ? +op.bt24 : +op.bt14);
if (target >= start && target < end && target != iaddr && target != iaddr + 4)
{
@ -1351,7 +1352,12 @@ bool ppu_module::analyse(u32 lib_toc, u32 entry, const u32 sec_end, const std::b
continue;
}
const bool is_call = op.lk && target != iaddr;
if (!op.aa && target == _ptr.addr() && _ptr.addr() < func_end)
{
ppu_log.notice("[0x%x] Branch to next at 0x%x -> 0x%x", func.addr, iaddr, target);
}
const bool is_call = op.lk && target != iaddr && target != _ptr.addr() && _ptr.addr() < func_end;
const auto pfunc = is_call ? &add_func(target, 0, 0) : nullptr;
if (pfunc && pfunc->blocks.empty())
@ -2053,13 +2059,8 @@ bool ppu_module::analyse(u32 lib_toc, u32 entry, const u32 sec_end, const std::b
// Convert map to vector (destructive)
for (auto&& [_, block] : as_rvalue(std::move(fmap)))
{
if (block.attr & ppu_attr::no_size && block.size > 4)
if (block.attr & ppu_attr::no_size && block.size > 4 && !used_fallback)
{
if (used_fallback)
{
continue;
}
ppu_log.warning("Block 0x%x will be compiled on per-instruction basis (size=0x%x)", block.addr, block.size);
for (u32 addr = block.addr; addr < block.addr + block.size; addr += 4)

2
rpcs3/Emu/System.cpp
View file

@ -301,7 +301,7 @@ static void fixup_settings(const psf::registry* _psf)
}
}
void dump_executable(std::span<const u8> data, main_ppu_module* _main, std::string_view title_id)
extern void dump_executable(std::span<const u8> data, ppu_module* _main, std::string_view title_id)
{
// Format filename and directory name
// Make each directory for each file so tools like IDA can work on it cleanly