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sys_vm.cpp
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sys_vm.cpp
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#include "stdafx.h"
#include "sys_vm.h"
#include "Emu/Cell/PPUThread.h"
#include "Emu/Memory/vm_locking.h"
sys_vm_t::sys_vm_t(const std::shared_ptr<vm::block_t>& area, const std::shared_ptr<lv2_memory_container>& ct, u32 psize)
: ct(ct)
, psize(psize)
, addr(area->addr)
, size(area->size)
{
// Write ID
g_ids[addr >> 28].release(idm::last_id());
}
sys_vm_t::~sys_vm_t()
{
// Free ID
g_ids[addr >> 28].release(0);
// Free block
verify(HERE), vm::unmap(addr);
// Return memory
ct->used -= psize;
}
LOG_CHANNEL(sys_vm);
error_code sys_vm_memory_map(ppu_thread& ppu, u32 vsize, u32 psize, u32 cid, u64 flag, u64 policy, vm::ptr<u32> addr)
{
vm::temporary_unlock(ppu);
sys_vm.error("sys_vm_memory_map(vsize=0x%x, psize=0x%x, cid=0x%x, flags=0x%llx, policy=0x%llx, addr=*0x%x)", vsize, psize, cid, flag, policy, addr);
if (!vsize || !psize || vsize % 0x2000000 || vsize > 0x10000000 || psize > 0x10000000 || policy != SYS_VM_POLICY_AUTO_RECOMMENDED)
{
return CELL_EINVAL;
}
auto ct = cid == SYS_MEMORY_CONTAINER_ID_INVALID ? fxm::get<lv2_memory_container>() : idm::get<lv2_memory_container>(cid);
if (!ct)
{
return CELL_ESRCH;
}
if (!ct->take(psize))
{
return CELL_ENOMEM;
}
// Look for unmapped space
if (const auto area = vm::find_map(0x10000000, 0x10000000, 2 | (flag & SYS_MEMORY_PAGE_SIZE_MASK)))
{
// Alloc all memory (shall not fail)
verify(HERE), area->alloc(vsize);
idm::make<sys_vm_t>(area, ct, psize);
// Write a pointer for the allocated memory
*addr = area->addr;
return CELL_OK;
}
ct->used -= psize;
return CELL_ENOMEM;
}
error_code sys_vm_memory_map_different(ppu_thread& ppu, u32 vsize, u32 psize, u32 cid, u64 flag, u64 policy, vm::ptr<u32> addr)
{
vm::temporary_unlock(ppu);
sys_vm.warning("sys_vm_memory_map_different(vsize=0x%x, psize=0x%x, cid=0x%x, flags=0x%llx, policy=0x%llx, addr=*0x%x)", vsize, psize, cid, flag, policy, addr);
// TODO: if needed implement different way to map memory, unconfirmed.
return sys_vm_memory_map(ppu, vsize, psize, cid, flag, policy, addr);
}
error_code sys_vm_unmap(ppu_thread& ppu, u32 addr)
{
vm::temporary_unlock(ppu);
sys_vm.warning("sys_vm_unmap(addr=0x%x)", addr);
// Special case, check if its a start address by alignment
if (addr % 0x10000000)
{
return CELL_EINVAL;
}
// Free block and info
if (!idm::remove<sys_vm_t>(sys_vm_t::find_id(addr)))
{
return CELL_EINVAL;
}
return CELL_OK;
}
error_code sys_vm_append_memory(ppu_thread& ppu, u32 addr, u32 size)
{
vm::temporary_unlock(ppu);
sys_vm.warning("sys_vm_append_memory(addr=0x%x, size=0x%x)", addr, size);
if (!size || size % 0x100000)
{
return CELL_EINVAL;
}
const auto block = idm::get<sys_vm_t>(sys_vm_t::find_id(addr));
if (!block || block->addr != addr)
{
return CELL_EINVAL;
}
std::lock_guard lock(block->mutex);
if (!block->ct->take(size))
{
return CELL_ENOMEM;
}
block->psize += size;
return CELL_OK;
}
error_code sys_vm_return_memory(ppu_thread& ppu, u32 addr, u32 size)
{
vm::temporary_unlock(ppu);
sys_vm.warning("sys_vm_return_memory(addr=0x%x, size=0x%x)", addr, size);
if (!size || size % 0x100000)
{
return CELL_EINVAL;
}
const auto block = idm::get<sys_vm_t>(sys_vm_t::find_id(addr));
if (!block || block->addr != addr)
{
return CELL_EINVAL;
}
std::lock_guard lock(block->mutex);
if (u64{block->psize} < u64{0x100000} + size)
{
return CELL_EBUSY;
}
block->psize -= size;
block->ct->used -= size;
return CELL_OK;
}
error_code sys_vm_lock(ppu_thread& ppu, u32 addr, u32 size)
{
vm::temporary_unlock(ppu);
sys_vm.warning("sys_vm_lock(addr=0x%x, size=0x%x)", addr, size);
if (!size)
{
return CELL_EINVAL;
}
const auto block = idm::get<sys_vm_t>(sys_vm_t::find_id(addr));
if (!block || u64{addr} + size > u64{block->addr} + block->size)
{
return CELL_EINVAL;
}
return CELL_OK;
}
error_code sys_vm_unlock(ppu_thread& ppu, u32 addr, u32 size)
{
vm::temporary_unlock(ppu);
sys_vm.warning("sys_vm_unlock(addr=0x%x, size=0x%x)", addr, size);
if (!size)
{
return CELL_EINVAL;
}
const auto block = idm::get<sys_vm_t>(sys_vm_t::find_id(addr));
if (!block || u64{addr} + size > u64{block->addr} + block->size)
{
return CELL_EINVAL;
}
return CELL_OK;
}
error_code sys_vm_touch(ppu_thread& ppu, u32 addr, u32 size)
{
vm::temporary_unlock(ppu);
sys_vm.warning("sys_vm_touch(addr=0x%x, size=0x%x)", addr, size);
if (!size)
{
return CELL_EINVAL;
}
const auto block = idm::get<sys_vm_t>(sys_vm_t::find_id(addr));
if (!block || u64{addr} + size > u64{block->addr} + block->size)
{
return CELL_EINVAL;
}
return CELL_OK;
}
error_code sys_vm_flush(ppu_thread& ppu, u32 addr, u32 size)
{
vm::temporary_unlock(ppu);
sys_vm.warning("sys_vm_flush(addr=0x%x, size=0x%x)", addr, size);
if (!size)
{
return CELL_EINVAL;
}
const auto block = idm::get<sys_vm_t>(sys_vm_t::find_id(addr));
if (!block || u64{addr} + size > u64{block->addr} + block->size)
{
return CELL_EINVAL;
}
return CELL_OK;
}
error_code sys_vm_invalidate(ppu_thread& ppu, u32 addr, u32 size)
{
vm::temporary_unlock(ppu);
sys_vm.warning("sys_vm_invalidate(addr=0x%x, size=0x%x)", addr, size);
if (!size)
{
return CELL_EINVAL;
}
const auto block = idm::get<sys_vm_t>(sys_vm_t::find_id(addr));
if (!block || u64{addr} + size > u64{block->addr} + block->size)
{
return CELL_EINVAL;
}
return CELL_OK;
}
error_code sys_vm_store(ppu_thread& ppu, u32 addr, u32 size)
{
vm::temporary_unlock(ppu);
sys_vm.warning("sys_vm_store(addr=0x%x, size=0x%x)", addr, size);
if (!size)
{
return CELL_EINVAL;
}
const auto block = idm::get<sys_vm_t>(sys_vm_t::find_id(addr));
if (!block || u64{addr} + size > u64{block->addr} + block->size)
{
return CELL_EINVAL;
}
return CELL_OK;
}
error_code sys_vm_sync(ppu_thread& ppu, u32 addr, u32 size)
{
vm::temporary_unlock(ppu);
sys_vm.warning("sys_vm_sync(addr=0x%x, size=0x%x)", addr, size);
if (!size)
{
return CELL_EINVAL;
}
const auto block = idm::get<sys_vm_t>(sys_vm_t::find_id(addr));
if (!block || u64{addr} + size > u64{block->addr} + block->size)
{
return CELL_EINVAL;
}
return CELL_OK;
}
error_code sys_vm_test(ppu_thread& ppu, u32 addr, u32 size, vm::ptr<u64> result)
{
vm::temporary_unlock(ppu);
sys_vm.warning("sys_vm_test(addr=0x%x, size=0x%x, result=*0x%x)", addr, size, result);
const auto block = idm::get<sys_vm_t>(sys_vm_t::find_id(addr));
if (!block || u64{addr} + size > u64{block->addr} + block->size)
{
return CELL_EINVAL;
}
*result = SYS_VM_STATE_ON_MEMORY;
return CELL_OK;
}
error_code sys_vm_get_statistics(ppu_thread& ppu, u32 addr, vm::ptr<sys_vm_statistics_t> stat)
{
vm::temporary_unlock(ppu);
sys_vm.warning("sys_vm_get_statistics(addr=0x%x, stat=*0x%x)", addr, stat);
const auto block = idm::get<sys_vm_t>(sys_vm_t::find_id(addr));
if (!block || block->addr != addr)
{
return CELL_EINVAL;
}
stat->page_fault_ppu = 0;
stat->page_fault_spu = 0;
stat->page_in = 0;
stat->page_out = 0;
stat->pmem_total = block->psize;
stat->pmem_used = 0;
stat->timestamp = 0;
return CELL_OK;
}
DECLARE(sys_vm_t::g_ids){};