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Enable patch engine for SPU images

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This commit is contained in:
Nekotekina 2017-03-29 12:32:29 +03:00
parent 78b9c64f67
commit 3ec156b2f2
1 changed files with 33 additions and 1 deletions
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34
rpcs3/Emu/Cell/lv2/sys_spu.cpp
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@ -3,7 +3,9 @@
#include "Emu/System.h"
#include "Emu/IdManager.h"
#include "Crypto/unself.h"
#include "Crypto/sha1.h"
#include "Loader/ELF.h"
#include "Utilities/bin_patch.h"
#include "Emu/Cell/ErrorCodes.h"
#include "Emu/Cell/PPUThread.h"
@ -18,15 +20,29 @@ logs::channel sys_spu("sys_spu", logs::level::notice);
void LoadSpuImage(const fs::file& stream, u32& spu_ep, u32 addr)
{
const spu_exec_object obj = stream;
const spu_exec_object obj{stream};
if (obj != elf_error::ok)
{
fmt::throw_exception("Failed to load SPU image: %s" HERE, obj.get_error());
}
sha1_context ctx;
u8 output[20];
sha1_starts(&ctx);
sha1_update(&ctx, reinterpret_cast<const u8*>(&obj.header), sizeof(obj.header));
for (const auto& shdr : obj.shdrs)
{
sha1_update(&ctx, reinterpret_cast<const u8*>(&shdr), sizeof(spu_exec_object::shdr_t));
}
for (const auto& prog : obj.progs)
{
sha1_update(&ctx, reinterpret_cast<const u8*>(&prog), sizeof(spu_exec_object::phdr_t));
sha1_update(&ctx, reinterpret_cast<const u8*>(prog.bin.data()), prog.bin.size());
if (prog.p_type == 0x1 /* LOAD */)
{
std::memcpy(vm::base(addr + prog.p_vaddr), prog.bin.data(), prog.p_filesz);
@ -34,6 +50,22 @@ void LoadSpuImage(const fs::file& stream, u32& spu_ep, u32 addr)
}
spu_ep = obj.header.e_entry;
sha1_finish(&ctx, output);
// Format patch name
std::string hash("spu-");
for (u8 x : output) fmt::append(hash, "%02x", x);
LOG_NOTICE(LOADER, "Loaded SPU image: %s", hash);
// Apply the patch
fxm::check_unlocked<patch_engine>()->apply(hash, vm::g_base_addr + addr);
if (!Emu.GetTitleID().empty())
{
// Alternative patch
fxm::check_unlocked<patch_engine>()->apply(Emu.GetTitleID() + '-' + hash, vm::g_base_addr + addr);
}
}
u32 LoadSpuImage(const fs::file& stream, u32& spu_ep)