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early-access version 1420

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pineappleEA
2021-02-06 23:05:49 +01:00
parent 7381de3435
commit 84e1d5b26b
13 changed files with 236 additions and 107 deletions
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37
src/core/hle/kernel/memory/page_table.cpp
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@@ -7,7 +7,7 @@
#include "common/scope_exit.h"
#include "core/core.h"
#include "core/hle/kernel/errors.h"
#include "core/hle/kernel/k_resource_limit.h"
#include "core/hle/kernel/k_scoped_resource_reservation.h"
#include "core/hle/kernel/kernel.h"
#include "core/hle/kernel/memory/address_space_info.h"
#include "core/hle/kernel/memory/memory_block.h"
@@ -409,27 +409,25 @@ ResultCode PageTable::MapPhysicalMemory(VAddr addr, std::size_t size) {
return RESULT_SUCCESS;
}
auto process{system.Kernel().CurrentProcess()};
const std::size_t remaining_size{size - mapped_size};
const std::size_t remaining_pages{remaining_size / PageSize};
if (process->GetResourceLimit() &&
!process->GetResourceLimit()->Reserve(LimitableResource::PhysicalMemory, remaining_size)) {
// Reserve the memory from the process resource limit.
KScopedResourceReservation memory_reservation(
system.Kernel().CurrentProcess()->GetResourceLimit(), LimitableResource::PhysicalMemory,
remaining_size);
if (!memory_reservation.Succeeded()) {
LOG_ERROR(Kernel, "Could not reserve remaining {:X} bytes", remaining_size);
return ERR_RESOURCE_LIMIT_EXCEEDED;
}
PageLinkedList page_linked_list;
{
auto block_guard = detail::ScopeExit([&] {
system.Kernel().MemoryManager().Free(page_linked_list, remaining_pages, memory_pool);
process->GetResourceLimit()->Release(LimitableResource::PhysicalMemory, remaining_size);
});
CASCADE_CODE(system.Kernel().MemoryManager().Allocate(page_linked_list, remaining_pages,
memory_pool));
CASCADE_CODE(
system.Kernel().MemoryManager().Allocate(page_linked_list, remaining_pages, memory_pool));
block_guard.Cancel();
}
// We succeeded, so commit the memory reservation.
memory_reservation.Commit();
MapPhysicalMemory(page_linked_list, addr, end_addr);
@@ -781,9 +779,13 @@ ResultVal<VAddr> PageTable::SetHeapSize(std::size_t size) {
const u64 delta{size - previous_heap_size};
auto process{system.Kernel().CurrentProcess()};
if (process->GetResourceLimit() && delta != 0 &&
!process->GetResourceLimit()->Reserve(LimitableResource::PhysicalMemory, delta)) {
// Reserve memory for the heap extension.
KScopedResourceReservation memory_reservation(
system.Kernel().CurrentProcess()->GetResourceLimit(), LimitableResource::PhysicalMemory,
delta);
if (!memory_reservation.Succeeded()) {
LOG_ERROR(Kernel, "Could not reserve heap extension of size {:X} bytes", delta);
return ERR_RESOURCE_LIMIT_EXCEEDED;
}
@@ -800,6 +802,9 @@ ResultVal<VAddr> PageTable::SetHeapSize(std::size_t size) {
CASCADE_CODE(
Operate(current_heap_addr, num_pages, page_linked_list, OperationType::MapGroup));
// Succeeded in allocation, commit the resource reservation
memory_reservation.Commit();
block_manager->Update(current_heap_addr, num_pages, MemoryState::Normal,
MemoryPermission::ReadAndWrite);