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PPU Loader: Fix main()'s envp

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Eladash 2023-08-10 22:04:15 +03:00 committed by Elad Ashkenazi
parent 4bbe885f35
commit eae1c5afdd
1 changed files with 56 additions and 28 deletions
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84
rpcs3/Emu/Cell/PPUModule.cpp
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@ -2307,33 +2307,6 @@ bool ppu_load_exec(const ppu_exec_object& elf, bool virtual_load, const std::str
} }
} }
// Initialize process arguments
auto args = vm::ptr<u64>::make(vm::alloc(u32{sizeof(u64)} * (::size32(Emu.argv) + ::size32(Emu.envp) + 2), vm::main));
auto argv = args;
for (const auto& arg : Emu.argv)
{
const u32 arg_size = ::size32(arg) + 1;
const u32 arg_addr = vm::alloc(arg_size, vm::main);
std::memcpy(vm::base(arg_addr), arg.data(), arg_size);
*args++ = arg_addr;
}
*args++ = 0;
auto envp = args;
for (const auto& arg : Emu.envp)
{
const u32 arg_size = ::size32(arg) + 1;
const u32 arg_addr = vm::alloc(arg_size, vm::main);
std::memcpy(vm::base(arg_addr), arg.data(), arg_size);
*args++ = arg_addr;
}
// Fix primary stack size // Fix primary stack size
switch (u32 sz = primary_stacksize) switch (u32 sz = primary_stacksize)
{ {
@ -2367,6 +2340,61 @@ bool ppu_load_exec(const ppu_exec_object& elf, bool virtual_load, const std::str
ppu->gpr[1] -= Emu.data.size(); ppu->gpr[1] -= Emu.data.size();
} }
// Initialize process arguments
// Calculate storage requirements on the stack
const u32 pointers_storage_size = u32{sizeof(u64)} * (::size32(Emu.envp) + ::size32(Emu.argv) + 3);
u32 stack_alloc_size = pointers_storage_size;
for (const auto& arg : Emu.argv)
{
stack_alloc_size += utils::align<u32>(::size32(arg) + 1, 0x10);
}
for (const auto& arg : Emu.envp)
{
stack_alloc_size += utils::align<u32>(::size32(arg) + 1, 0x10);
}
ensure(ppu->stack_size > stack_alloc_size);
vm::ptr<u64> args = vm::cast(static_cast<u32>(ppu->stack_addr + ppu->stack_size - stack_alloc_size - utils::align<u32>(Emu.data.size(), 0x10)));
vm::ptr<u8> args_data = vm::cast(args.addr() + pointers_storage_size);
const vm::ptr<u64> argv = args;
for (const auto& arg : Emu.argv)
{
const u32 arg_size = ::size32(arg) + 1;
std::memcpy(args_data.get_ptr(), arg.data(), arg_size);
*args++ = args_data.addr();
args_data = vm::cast(args_data.addr() + utils::align<u32>(arg_size, 0x10));
}
*args++ = 0;
const vm::ptr<u64> envp = vm::cast(utils::align<u32>(args.addr(), 8));
args = envp;
for (const auto& arg : Emu.envp)
{
const u32 arg_size = ::size32(arg) + 1;
std::memcpy(args_data.get_ptr(), arg.data(), arg_size);
*args++ = args_data.addr();
args_data = vm::cast(args_data.addr() + utils::align<u32>(arg_size, 0x10));
}
*args++ = 0;
*args++ = 0; // Unknown
ppu->gpr[1] -= stack_alloc_size;
ensure(g_fxo->get<lv2_memory_container>().take(primary_stacksize)); ensure(g_fxo->get<lv2_memory_container>().take(primary_stacksize));
ppu->cmd_push({ppu_cmd::initialize, 0}); ppu->cmd_push({ppu_cmd::initialize, 0});
@ -2400,7 +2428,7 @@ bool ppu_load_exec(const ppu_exec_object& elf, bool virtual_load, const std::str
// Set command line arguments, run entry function // Set command line arguments, run entry function
ppu->cmd_list ppu->cmd_list
({ ({
{ ppu_cmd::set_args, 8 }, u64{Emu.argv.size()}, u64{argv.addr()}, u64{envp.addr()}, u64{0}, u64{ppu->id}, u64{tls_vaddr}, u64{tls_fsize}, u64{tls_vsize}, { ppu_cmd::set_args, 8 }, u64{Emu.argv.size()}, u64{argv.addr()}, u64{envp.addr()}, u64{Emu.envp.size()}, u64{ppu->id}, u64{tls_vaddr}, u64{tls_fsize}, u64{tls_vsize},
{ ppu_cmd::set_gpr, 11 }, u64{elf.header.e_entry}, { ppu_cmd::set_gpr, 11 }, u64{elf.header.e_entry},
{ ppu_cmd::set_gpr, 12 }, u64{malloc_pagesize}, { ppu_cmd::set_gpr, 12 }, u64{malloc_pagesize},
{ ppu_cmd::entry_call, 0 }, { ppu_cmd::entry_call, 0 },