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hle: Fix QueryMemory response for MemoryInfo.

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This commit is contained in:
bunnei 2017-10-19 23:00:46 -04:00
parent 716e5cf070
commit dcd6bb82f7
7 changed files with 34 additions and 152 deletions
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42
src/core/hle/kernel/process.cpp
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@ -117,7 +117,7 @@ void Process::Run(VAddr entry_point, s32 main_thread_priority, u32 stack_size) {
vm_manager
.MapMemoryBlock(Memory::HEAP_VADDR_END - stack_size,
std::make_shared<std::vector<u8>>(stack_size, 0), 0, stack_size,
MemoryState::Locked)
MemoryState::Heap)
.Unwrap();
misc_memory_used += stack_size;
memory_region->used += stack_size;
@ -148,7 +148,7 @@ void Process::LoadModule(SharedPtr<CodeSet> module_, VAddr base_addr) {
};
// Map CodeSet segments
MapSegment(module_->code, VMAPermission::ReadWrite, MemoryState::Private);
MapSegment(module_->code, VMAPermission::ReadExecute, MemoryState::Code);
MapSegment(module_->rodata, VMAPermission::Read, MemoryState::Static);
MapSegment(module_->data, VMAPermission::ReadWrite, MemoryState::Static);
}
@ -193,7 +193,7 @@ ResultVal<VAddr> Process::HeapAllocate(VAddr target, u32 size, VMAPermission per
ASSERT(heap_end - heap_start == heap_memory->size());
CASCADE_RESULT(auto vma, vm_manager.MapMemoryBlock(target, heap_memory, target - heap_start,
size, MemoryState::Private));
size, MemoryState::Heap));
vm_manager.Reprotect(vma, perms);
heap_used += size;
@ -223,40 +223,8 @@ ResultCode Process::HeapFree(VAddr target, u32 size) {
}
ResultVal<VAddr> Process::LinearAllocate(VAddr target, u32 size, VMAPermission perms) {
auto& linheap_memory = memory_region->linear_heap_memory;
VAddr heap_end = GetLinearHeapBase() + (u32)linheap_memory->size();
// Games and homebrew only ever seem to pass 0 here (which lets the kernel decide the address),
// but explicit addresses are also accepted and respected.
if (target == 0) {
target = heap_end;
}
if (target < GetLinearHeapBase() || target + size > GetLinearHeapLimit() || target > heap_end ||
target + size < target) {
return ERR_INVALID_ADDRESS;
}
// Expansion of the linear heap is only allowed if you do an allocation immediately at its
// end. It's possible to free gaps in the middle of the heap and then reallocate them later,
// but expansions are only allowed at the end.
if (target == heap_end) {
linheap_memory->insert(linheap_memory->end(), size, 0);
vm_manager.RefreshMemoryBlockMappings(linheap_memory.get());
}
// TODO(yuriks): As is, this lets processes map memory allocated by other processes from the
// same region. It is unknown if or how the 3DS kernel checks against this.
size_t offset = target - GetLinearHeapBase();
CASCADE_RESULT(auto vma, vm_manager.MapMemoryBlock(target, linheap_memory, offset, size,
MemoryState::Continuous));
vm_manager.Reprotect(vma, perms);
linear_heap_used += size;
memory_region->used += size;
return MakeResult<VAddr>(target);
UNIMPLEMENTED();
return {};
}
ResultCode Process::LinearFree(VAddr target, u32 size) {