Archive/rpcs3
0
0
Fork 0
mirror of https://github.com/RPCS3/rpcs3.git synced 2025-04-28 13:28:01 +03:00
Code Issues Projects Releases Packages Wiki Activity Actions 2

PPU: Add new patch function for SONIC 06

Browse source
This commit is contained in:
Eladash 2022-11-19 13:50:31 +02:00 • committed by Ivan
parent 681a6ef73c
commit f572e29a13
10 changed files with 94 additions and 25 deletions
Download patch file Download diff file Expand all files Collapse all files

23
Utilities/bin_patch.cpp
View file

@ -718,7 +718,7 @@ static usz apply_modification(std::basic_string<u32>& applied, const patch_engin
// Always executable
u64 flags = vm::alloc_executable | vm::alloc_unwritable;
switch (p.offset % patch_engine::mem_protection::mask)
switch (p.offset & patch_engine::mem_protection::mask)
{
case patch_engine::mem_protection::rw:
case patch_engine::mem_protection::wx:
@ -754,15 +754,26 @@ static usz apply_modification(std::basic_string<u32>& applied, const patch_engin
// Register code
ppu_register_range(addr, alloc_size);
// Write branch to code
ppu_form_branch_to_code(out_branch, addr);
resval = out_branch & -4;
// Write branch to return to code
if (!ppu_form_branch_to_code(addr + static_cast<u32>(p.value.long_value) * 4, resval + 4))
{
patch_log.error("Failed to write return jump at 0x%x", addr + static_cast<u32>(p.value.long_value) * 4);
ensure(alloc_map->dealloc(addr));
continue;
}
// Write branch to code
if (!ppu_form_branch_to_code(out_branch, addr))
{
patch_log.error("Failed to jump to code cave at 0x%x", out_branch);
ensure(alloc_map->dealloc(addr));
continue;
}
// Write address of the allocated memory to the code entry
*vm::get_super_ptr<u32>(resval) = addr;
// Write branch to return to code
ppu_form_branch_to_code(addr + static_cast<u32>(p.value.long_value) * 4, resval + 4);
relocate_instructions_at = addr;
break;
}